Filter and heat exchange system
阅读说明：本技术 过滤器及换热系统 (Filter and heat exchange system ) 是由 叶伟炳 彭永磊 于 2019-11-29 设计创作，主要内容包括：本申请涉及一种过滤器及换热系统。上述的过滤器包括容器、进液管、出液管、汇总管、接头以及滤芯。容器形成有过滤腔、排渣口、第一安装孔和第二安装孔,排渣口、第一安装孔和第二安装孔均与过滤腔连通；进液管穿设于第一安装孔内并与容器连接,进液管邻近排渣口设置；出液管穿设于第二安装孔内并与容器连接,出液管远离排渣口设置；汇总管位于过滤腔内并与出液管连通；接头的一端与汇总管连接；液体中直径较大的污垢或颗粒将不同通过滤芯,使直径较大的污垢或颗粒阻挡并停留于过滤腔内形成滤渣,最后通过排渣口排出,使换热系统的管外不易结垢,解决了换热系统的换热性能较差的问题,提高了换热系统的换热性能。(The application relates to a filter and a heat exchange system. The filter comprises a container, a liquid inlet pipe, a liquid outlet pipe, a collecting pipe, a joint and a filter element. The container is provided with a filter cavity, a slag discharge port, a first mounting hole and a second mounting hole, and the slag discharge port, the first mounting hole and the second mounting hole are communicated with the filter cavity; the liquid inlet pipe is arranged in the first mounting hole in a penetrating way and is connected with the container, and the liquid inlet pipe is arranged close to the slag discharge port; the liquid outlet pipe penetrates through the second mounting hole and is connected with the container, and the liquid outlet pipe is far away from the slag discharge port; the collecting pipe is positioned in the filtering cavity and communicated with the liquid outlet pipe; one end of the joint is connected with the collecting pipe; the dirt or the particle with larger diameter in the liquid can not pass through the filter element, so that the dirt or the particle with larger diameter can be blocked and stay in the filter cavity to form filter residue, and finally the filter residue is discharged through the residue discharge port, so that the outside of the tube of the heat exchange system is not easy to scale, the problem of poor heat exchange performance of the heat exchange system is solved, and the heat exchange performance of the heat exchange system is improved.)
1. A filter, comprising:
the slag discharging port, the first mounting hole and the second mounting hole are communicated with the filter cavity;
the liquid inlet pipe penetrates through the first mounting hole and is connected with the container, and the liquid inlet pipe is arranged close to the slag discharge port;
the liquid outlet pipe penetrates through the second mounting hole and is connected with the container, and the liquid outlet pipe is far away from the slag discharging port;
the collecting pipe is positioned in the filtering cavity and is communicated with the liquid outlet pipe;
one end of the joint is connected with the collecting pipe;
and the filter element is positioned in the filter cavity and is connected with the other end of the joint, so that the filter element is communicated with the collecting pipe through the joint.
2. The filter of claim 1, wherein the number of cartridges and connectors is plural, each cartridge being connected to the manifold by a respective connector such that each cartridge is in communication with the manifold.
3. The filter of claim 2, wherein a plurality of said filter cartridges are arranged side by side.
4. The filter of claim 2, further comprising a filter bag, wherein the filter bag is located in the filter cavity, and the filter bag is respectively sleeved on the plurality of filter elements.
5. The filter of claim 1, further comprising a flushing pipe, wherein the container is further provided with a third mounting hole communicated with the filter cavity, the flushing pipe is arranged through the third mounting hole and connected with the container, and the flushing pipe is communicated with the collecting pipe.
6. The filter of claim 5, further comprising a differential pressure switch and a flushing pump, wherein the differential pressure switch is respectively connected with two ends of the filter element to detect the pressure difference between two ends of the filter element, the flushing pump is arranged on the flushing pipeline, and a control end of the flushing pump is connected with the differential pressure switch; when the pressure difference is equal to the preset pressure, the flushing pump acts.
7. The filter of any one of claims 1 to 6, further comprising a cover plate, wherein an opening is opened at the end of the container far away from the slag discharge port, and the cover plate is covered on the opening and detachably connected with the container.
8. The filter of claim 7, further comprising a bolt, wherein the cover plate defines a first connecting hole, the container defines a second connecting hole, and the bolt is inserted through the first connecting hole and the second connecting hole.
9. The filter of claim 7, wherein the cover plate defines an exhaust opening, the exhaust opening communicating with the filter cavity.
10. A heat exchange system comprising a body, a feed conduit, a drain conduit, a circulation mechanism and a filter according to any one of claims 1 to 9, said body being in communication with said feed conduit and said drain conduit respectively, said drain conduit being in communication with an input of said circulation mechanism, an output of said circulation mechanism being in communication with said drain conduit, said drain conduit being in communication with said feed conduit.
Technical Field
The application relates to the technical field of solution evaporation equipment, in particular to a filter and a heat exchange system.
Background
The heat exchange system is widely applied to evaporation and concentration of water phase or organic phase solution in the light chemical industry, and is particularly used for concentration of waste water or traditional Chinese medicine. Specifically, under the condition of normal pressure or vacuum, the heat exchange system is used for carrying out continuous or discontinuous, single-effect or multi-effect evaporation concentration on the wastewater or the traditional Chinese medicine. The heat exchange System controls the temperature of the System and the rotating speed of the pressure motor through a PLC (Programmable Logic Controller) or a DCS (Distributed Control System) and the like so as to keep the evaporation balance of the System. The working principle of the heat exchange system is as follows: the evaporator material sprays the heat exchange tube surface through atomizing nozzle, and the material flows down along the heat exchange tube face under the effect of gravity and forms the film, and steam lets in the heat exchange tube, and with energy transfer for the material outside the heat exchange tube after the condensation, make the material absorb steam energy and form the film evaporation, produce the secondary steam and get into next effect evaporimeter or MVR (Mechanical Vapor Recompression technique) Vapor compressor behind gas-liquid separation.
The waste water material of the heat exchange system flows out of the pipe, and the pure steam flows in the pipe, namely, the waste water flows out of the heat exchange pipe, and the steam flows in the heat exchange pipe. When the waste water is organic high-calcium waste water, scaling is easy to form outside the pipe of the heat exchange system, so that the heat exchange performance of the heat exchange system is poor.
Disclosure of Invention
Based on this, it is necessary to provide a filter and a heat exchange system aiming at the problem of poor heat exchange performance of the heat exchange system.
A filter, comprising:
the slag discharging port, the first mounting hole and the second mounting hole are communicated with the filter cavity;
the liquid inlet pipe penetrates through the first mounting hole and is connected with the container, and the liquid inlet pipe is arranged close to the slag discharge port;
the liquid outlet pipe penetrates through the second mounting hole and is connected with the container, and the liquid outlet pipe is far away from the slag discharging port;
the collecting pipe is positioned in the filtering cavity and is communicated with the liquid outlet pipe;
one end of the joint is connected with the collecting pipe;
and the filter element is positioned in the filter cavity and is connected with the other end of the joint, so that the filter element is communicated with the collecting pipe through the joint.
In one embodiment, the number of the filter elements and the number of the connectors are multiple, and each filter element is connected with the collecting pipe through the corresponding connector, so that each filter element is communicated with the collecting pipe, and the filter has a good filtering effect.
In one embodiment, a plurality of filter elements are arranged side by side, so that the filter has a better filtering effect.
In one embodiment, the filter further comprises a filter bag, the filter bag is located in the filter cavity, the filter bag is respectively sleeved on the filter elements, liquid entering the filter cavity is sequentially filtered by the filter bag and the filter elements, and the filtered liquid flows into the collecting pipe through the joint, so that the filtering effect of the filter is further improved.
In one embodiment, the filter further comprises a flushing pipeline, the container is further provided with a third mounting hole communicated with the filter cavity, the flushing pipeline penetrates through the third mounting hole and is connected with the container, the flushing pipeline is communicated with the collecting pipe, when the filter element is blocked, clear water is introduced through the flushing pipeline, and the clear water sequentially passes through the collecting pipe, the joint and the filter element through the flushing pipeline and flows out to back flush the filter element, so that the effect of flushing the filter element is achieved, and the problem of filter screen blockage is avoided.
In one embodiment, the filter further comprises a differential pressure switch and a flushing pump, the differential pressure switch is respectively connected with two ends of the filter element so as to detect the pressure difference between the two ends of the filter element, the flushing pump is arranged on the flushing pipeline, and a control end of the flushing pump is connected with the differential pressure switch; when the pressure difference is equal to the preset pressure, the flushing pump acts to pump clean water into the flushing pipeline, so that the effect of automatically backwashing the filter element by the flushing pipeline is realized, and the use convenience of the filter is improved.
In one embodiment, the filter further comprises a cover plate, an opening is formed in the end, far away from the slag discharge port, of the container, the cover plate is covered on the opening and detachably connected with the container, and when the filter element needs to be cleaned, a user can open the cover plate to quickly clean or disassemble and replace the filter bag.
In one embodiment, the filter further comprises a bolt, the cover plate is provided with a first connecting hole, the container is provided with a second connecting hole, and the bolt is respectively arranged in the first connecting hole and the second connecting hole in a penetrating way, so that the cover plate and the container can be detachably connected.
In one embodiment, the cover plate is provided with an air outlet, the air outlet is communicated with the filter cavity, so that air in the filter cavity can be exhausted through the air outlet to exhaust the air in the filter cavity, and more liquid can be contained in the filter cavity.
A heat exchange system comprises a machine body, a material conveying pipe, a liquid discharge pipe, a circulating mechanism and the filter in any one of the embodiments, wherein the machine body is communicated with the material conveying pipe and the liquid discharge pipe respectively, the liquid discharge pipe is further communicated with the input end of the circulating mechanism, the output end of the circulating mechanism is communicated with a liquid discharge pipe, and the liquid discharge pipe is communicated with the material conveying pipe.
Foretell filter and heat transfer system, liquid passes through the feed liquor pipe and flows in the filter chamber, because the filter core is located the filter chamber, and the filter core is through connecting and collecting the union intercommunication, make the liquid that gets into the filter chamber flow into by connecting after the filter core filters in gathering intraductally, again because the collection union is located the filter chamber and communicates with the drain pipe, make the intraductal liquid that gathers pass through the drain pipe and discharge and get into in the organism again, the great dirt of diameter or granule will not pass through the filter core like this in the liquid, make the great dirt of diameter or granule block and stop and form the filter residue in the filter chamber, discharge through the slag notch at last, make heat transfer system's the difficult scale deposit of outside of tubes, the relatively poor problem of heat transfer performance of heat transfer system has been solved.
Drawings
FIG. 1 is a schematic diagram of a heat exchange system according to one embodiment;
FIG. 2 is a schematic view of a filter of the heat exchange system of FIG. 1;
FIG. 3 is a schematic view of a filter of another embodiment of a heat exchange system;
fig. 4 is a schematic view showing an internal structure of the filter shown in fig. 3.
Detailed Description
To facilitate an understanding of the present application, the filter and heat exchange system will be described more fully below with reference to the accompanying drawings. The preferred embodiment of the filter and heat exchange system is shown in the accompanying drawings. However, the filter and heat exchange system may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the filters and heat exchange systems is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, a
As shown in fig. 2-4, in one embodiment, the filter includes a
Foretell filter and heat transfer system, liquid passes through the feed liquor pipe and flows in the filter chamber, because the filter core is located the filter chamber, and the filter core is through connecting and collecting the union intercommunication, make the liquid that gets into the filter chamber flow into by connecting after the filter core filters in gathering intraductally, again because the collection union is located the filter chamber and communicates with the drain pipe, make the intraductal liquid that gathers pass through the drain pipe and discharge and get into in the organism again, the great dirt of diameter or granule will not pass through the filter core like this in the liquid, make the great dirt of diameter or granule block and stop and form the filter residue in the filter chamber, discharge through the slag notch at last, make heat transfer system's the difficult scale deposit of outside of tubes, the relatively poor problem of heat transfer performance of heat transfer system has been solved. Because the liquid discharge pipe is communicated with the accommodating cavity of the machine body, waste liquid generated after materials of the evaporator are subjected to heat conduction vaporization through the heat exchange pipe is discharged out of the accommodating cavity through the circulating mechanism. Because the circulation mechanism is respectively communicated with the liquid discharge pipe and the conveying pipe, the waste liquid is sent back to the liquid inlet pipe for recycling through the circulation mechanism, so that the material consumption of the heat exchange system can be saved, and the material waste is reduced.
How to make the filter have better filtering effect, in one embodiment, the number of the filter elements and the connectors is multiple, and each filter element is connected with the collecting pipe through the corresponding connector, so that each filter element is communicated with the collecting pipe, and the filter has better filtering effect. In one embodiment, a plurality of filter elements are arranged side by side, so that the filter has a better filtering effect. In this embodiment, the plurality of filter elements are distributed in a rectangular array. In this embodiment, each filter element is a screen structure. Specifically, each filter element is a candle core filter screen, so that the filter element has a better filtering effect. In one embodiment, each filter element is cylindrical, so that the contact area of the filter element and liquid is larger. It can be understood that the diameter and material of the filter element are selected according to different water quantities and water qualities.
In one embodiment, the filter further comprises a filter bag, the filter bag is located in the filter cavity, and the filter bag is respectively sleeved on the filter elements. So, the liquid that gets into the filter chamber filters through filter bag and filter core in proper order, and the liquid after the filtration is again by connecting the inflow and gathering intraductally, has further improved the filter effect of filter.
As shown in fig. 2, in one embodiment, the filter further includes a
In one embodiment, as shown in FIG. 4, the filter further comprises a differential pressure switch and a flush pump. Fig. 4 shows only a port 517 provided with a differential pressure switch on the container. The differential pressure switch is respectively connected with the two ends of the filter element so as to detect the differential pressure at the two ends of the filter element. The flushing pump is arranged on the flushing pipeline, and the control end of the flushing pump is connected with the differential pressure switch. When the pressure difference is equal to the preset pressure, the flushing pump acts to pump clean water into the flushing pipeline, so that the effect of automatically backwashing the filter element by the flushing pipeline is realized, and the use convenience of the filter is improved. In this example, the preset pressure is 0.1 MPa. In other embodiments, the preset pressure may be greater than or less than 0.1 MPa.
As shown in FIG. 4, to replace the filter bag for quick cleaning or removal, in one embodiment, the filter further includes a
To removably attach the cover plate to the container, as shown in FIG. 3, in one embodiment, the filter further includes a
In order to make the cover plate and the container be connected in a sealing mode, the filter further comprises a sealing gasket, the sealing gasket is arranged between the cover plate and the container, and the sealing gasket is tightly pressed and fixed at the opening of the container by the cover plate, so that the cover plate and the container are connected in a sealing mode.
As shown in fig. 3, in order to facilitate the disassembly and replacement of the filter bag, the filter further comprises a
Referring again to fig. 2, in one embodiment, the cover plate is provided with an air outlet 632, and the air outlet is communicated with the filter cavity, so that air in the filter cavity can be exhausted through the air outlet to exhaust air in the filter cavity, and more liquid can be contained in the filter cavity.
In one embodiment, one end of the joint is provided with a first thread, the collecting pipe is provided with a first mounting screw hole, and the end part of the joint is positioned in the first mounting screw hole and is in threaded connection with the collecting pipe so as to clean or replace the filter element. Furthermore, the other end of the joint is provided with a second thread, the filter element is provided with a second mounting screw hole, and the end part of the joint is positioned in the second mounting screw hole and is in threaded connection with the filter element, so that the filter element and the joint can be disassembled conveniently, and the filter element can be cleaned or replaced more conveniently.
In order to improve the convenience of the filter, the container is further provided with a
In order to lead the waste residue in the filter cavity to be quickly collected and precipitated to the residue discharge port, furthermore, the end part of the container far away from the cover plate is in a frustum shape, the residue discharge port is arranged at the end part of the container far away from the cover plate, so that the dirt or particles with larger diameter in the filter cavity are quickly collected to the residue discharge port, and the residue discharge efficiency of the filter is improved.
In one embodiment, the heat exchange system further comprises an air inlet pipe and a heat exchange pipe, and the air inlet pipe is connected with the machine body. The steam inlet is opened to the tip of keeping away from the organism of intake pipe to steam inlet through the intake pipe gets into steam. The organism is formed with and holds chamber, steam outlet, first through-going hole and second through-going hole. The steam outlet, the first penetrating hole and the second penetrating hole are communicated with the accommodating cavity.
In one embodiment, the heat exchange system further comprises a descaling mechanism. The descaling mechanism brushes the heat exchange tube. The descaling mechanism is arranged in the first through hole in a penetrating mode and is connected with the machine body. The descaling mechanism is partially positioned on the periphery of the machine body, and partially positioned in the accommodating cavity of the machine body so as to descale the outer wall of the heat exchange tube in the accommodating cavity and avoid the problem of scaling of the outer wall of the heat exchange tube.
In one embodiment, the descaling mechanism comprises a motor, a transmission shaft, a gear, a bearing seat, a frame, a rack and a brush assembly. The motor is installed at the periphery of the machine body. The transmission shaft is connected with a power output shaft of the motor, and the motor drives the transmission shaft to rotate in a reciprocating mode. The transmission shaft penetrates through the machine body and is rotatably connected with the machine body. The gear sleeve is arranged on the transmission shaft. The bearing seat is connected with the inner wall of the machine body. The bearing seat supports the frame, and the frame is in rolling connection with the bearing seat, namely the frame rolls on the bearing seat. The rack is connected to the frame, and the rack is in meshing transmission with the gear. When the motor drives the transmission shaft to rotate relative to the machine body, the transmission shaft drives the gear to rotate, and the gear rotates to be meshed with the transmission rack, so that the rack drives the frame to move relative to the supporting seat.
In one embodiment, the motor is mounted on the periphery of the body. The transmission shaft penetrates through the first penetrating hole and is rotatably connected with the machine body, so that the transmission shaft is partially positioned on the periphery of the machine body and is connected with the motor, and the transmission shaft is partially positioned in the accommodating cavity. The gear is located and holds the intracavity and overlap and locate the transmission shaft. In an embodiment, the bearing seat is located in the accommodating cavity and connected with the body. In this embodiment, the load-bearing seat is a long-strip seat structure. The bearing seat is welded on the inner wall of the machine body.
In this embodiment, the motor is a reduction motor. In one embodiment, the number of the first through holes is two, and the transmission shafts are respectively arranged in the two first through holes in a penetrating manner and are rotatably connected with the machine body, so that the transmission shafts in the accommodating cavities have better bending strength.
In one embodiment, the outer wall of the gear is coated with a titanium layer, so that the gear has better corrosion resistance. It can be understood that in other embodiments, the whole gear is made of titanium, so that the corrosion resistance of the gear is better. Furthermore, the outer wall of the rack is coated with a titanium layer, so that the rack has better corrosion resistance. It can be understood that in other embodiments, the entire rack is made of titanium, so that the rack has better corrosion resistance. Further, the surface of the transmission shaft in the accommodating cavity is coated with a titanium layer, so that the transmission shaft has better corrosion resistance. It can be understood that in other embodiments, the entire transmission shaft is made of titanium, so that the transmission shaft has better corrosion resistance. Because the rack, the gear and the transmission shaft are coated with titanium layers, the descaling mechanism has good structural performance, so that the descaling mechanism has better chemical corrosion resistance, the corrosion rate of the descaling mechanism is less than or equal to 0.015 mm/year, the transmission efficiency of the descaling mechanism is improved to 85 percent, and the transmission efficiency of the descaling mechanism is greatly improved. The descaling mechanism has the advantages of simple manufacture, low cost, simple installation, less maintenance and the like, and is suitable for an MVR online cleaning mechanism.
In an embodiment, the heat exchange tube is inserted into the second through hole and connected to the housing. In this embodiment, the heat exchange tube is welded to the machine body, so that the heat exchange tube is tightly connected to the machine body. The heat exchange tube is communicated with the air inlet tube, so that steam in the air inlet tube enters the heat exchange tube. In one embodiment, the machine body comprises a machine body and a plurality of reinforcing plates, and the accommodating cavity, the steam outlet, the first through hole and the second through hole are all formed in the machine body. A plurality of reinforcing plates are located and hold the intracavity and with this body coupling of machine, make the overall structure of organism have better intensity. In one embodiment, the heat exchange tubes are fixed to a plurality of reinforcing plates, respectively, such that each reinforcing plate supports and fixes the heat exchange tube. In this embodiment, each reinforcing plate is provided with a through hole, and the heat exchange tube is respectively arranged in the through holes of the plurality of reinforcing plates in a penetrating manner and is connected with the corresponding reinforcing plate.
In one embodiment, the carrying seat is connected to the plurality of reinforcing plates respectively, that is, the carrying seat is located above the plurality of reinforcing plates, so that the plurality of reinforcing plates support the carrying seat together, and the carrying seat is connected to the inner wall of the housing. In one embodiment, the number of the bearing seats is two, and the two bearing seats are arranged in parallel.
In one embodiment, the frame includes a first bracket, a second bracket, and a fixing member. The first support is connected with one of the bearing seats in a rolling mode, the second support is connected with the other bearing seat in a rolling mode, and the two bearing seats respectively bear the first support and the second support. And two ends of the fixing piece are respectively connected with the first bracket and the second bracket, so that the first bracket, the second bracket and the fixing piece are connected together.
In one embodiment, the brush assembly is connected to the frame, and the brush assembly brushes the heat exchange tube when the motor drives the transmission shaft to rotate. In this embodiment, the brush assembly is coupled to the fixing member such that the brush assembly is coupled to the frame. In this embodiment, the number of the fixing members is plural, and the plurality of fixing members are arranged in parallel with each other. Each fastener is located above the area between two adjacent reinforcing plates. In this embodiment, each of the fixing members has a plurality of brush assemblies, and the plurality of brush assemblies are disposed side by side, such that the plurality of brush assemblies reciprocate relative to the body along with the corresponding fixing members.
In one embodiment, the plurality of heat exchange tubes are arranged side by side in a plurality of rows in a cross-sectional direction perpendicular to a moving direction of the fixing member. In the present embodiment, the number of heat exchange tubes per column is different. It is understood that in other embodiments, the number of heat exchange tubes in each column may also be the same. Specifically, a plurality of heat exchange tubes are arranged in a rectangular array form to form a heat exchange tube bundle with a rectangular distribution profile. In one embodiment, each brush assembly is positioned between two adjacent columns of the heat exchange tubes, and the brush assemblies brush the outer walls of the heat exchange tubes. When the brush component moves back and forth relative to the machine body along with the frame, the brush component can repeatedly brush the outer wall of the heat exchange tube so as to prevent the surface of the heat exchange tube from scaling. In one embodiment, each brush assembly comprises a fixed rod and bristles arranged on the outer wall of the fixed rod, and the fixed rod is connected to the frame so that the brush assembly can brush the outer wall of the heat exchange tube. In this embodiment, the number of the brush hairs is plural, so that the brush assembly can better brush the outer wall of the heat exchange tube.
In order to enable the rack to drive the frame to roll relative to the machine body, in one embodiment, the rack is disposed on the first support or the second support, that is, the rack is disposed on the first support, or the rack is disposed on the second support, so that the rack is connected to the frame. Because the first support is connected to the second support through the fixing piece, the rack drives the frame to roll relative to the machine body. In the present embodiment, the number of the rack and the gear is one.
It is understood that in other embodiments, the number of racks and gears is not limited to one. In one embodiment, the number of the gears and the number of the racks are two, the two racks are respectively in meshing transmission with the two gears, one of the racks is arranged on the first bracket, and the other rack is arranged on the second bracket. Because first support and second support all are equipped with the rack, and two racks correspond the meshing transmission with two gears respectively, make the motor pass through the transmission shaft and drive the frame better and roll for the organism.
In one embodiment, the bearing seat includes a seat body and a plurality of rollers, the rollers are rotatably connected to the seat body, and the frame is respectively abutted against the rollers, so that the frame is in rolling connection with the bearing seat. Because a plurality of rollers are all abutted to the frame, the frame is not prone to shaking in the rolling process, and the frame is more stable in the rolling process relative to the bearing seat. In one embodiment, the rollers are arranged on the seat body at intervals, so that the rolling process of the frame relative to the bearing seat is more stable.
In order to make the structure of the bearing seat more compact and make the rolling between the frame and the bearing seat more stable, in one embodiment, the seat body is formed with a groove, each roller is located in the groove and rotatably connected with the seat body, so that each roller is at least partially accommodated in the groove, thus making the structure of the bearing seat more compact and making the rolling between the frame and the bearing seat more stable.
In order to rotatably connect each roller to the seat body, in one embodiment, the seat body includes a seat body and a plurality of mounting shafts, and the mounting shafts are connected to the seat body. The recess is formed in the seat body. Each roller is rotatably connected to the corresponding mounting shaft, so that each roller is rotatably connected to the base body. In one embodiment, the seat body is provided with a plurality of positioning grooves, the positioning grooves are communicated with the grooves, and each mounting shaft is located in the positioning groove and connected with the seat body, so that the mounting shafts can be connected to the seat body. In this embodiment, the number of the bearing seats is two, and the two bearing seats have the same structure. Each bears the weight of the seat and includes pedestal and a plurality of gyro wheel, a plurality of the gyro wheel all rotate connect in on the pedestal, the frame respectively with a plurality of gyro wheel butt.
Because the motor drive transmission shaft is equivalent to the organism and rotates, steam gets into through the intake pipe, again because the heat exchange tube wears to locate in the second wears to establish the hole and with the intake pipe intercommunication, makes steam get into the heat exchange tube. When the evaporator material is sprayed to the surface of the heat exchange tube, the evaporator material flows downwards along the heat exchange tube under the action of gravity to form a film on the surface of the heat exchange tube, the energy of the steam introduced into the heat exchange tube is transferred to the evaporator material after being condensed, the material steam energy forms film evaporation to generate secondary steam, and the secondary steam is discharged through a steam outlet and then enters a next-effect evaporator or MVR steam compressor after being subjected to gas-liquid separation. Meanwhile, the motor drives the rotating shaft to rotate in a reciprocating mode, the rotating shaft drives the gear to rotate, the gear is meshed with the transmission rack, the rack is connected to the frame, the frame is rotatably connected with the bearing seat, the bearing seat supports the frame, the frame can move back and forth relative to the machine body, namely, the frame rolls back and forth relative to the machine body, the hairbrush assembly is connected to the frame, the hairbrush assembly can move back and forth relative to the machine body along with the frame, the hairbrush assembly can wipe the heat exchange tube when the motor drives the transmission shaft to rotate, the hairbrush assembly does reciprocating cleaning on the surface of the heat exchange tube without stopping, and. Because the motor drives the frame through the gear rack to roll as a bearing seat, the problem that a chain of the driving assembly is easy to rust and even is stuck is avoided.
Furthermore, the conveying pipeline penetrates through the machine body and is connected with the machine body. Furthermore, the machine body is provided with a third through hole, and the material conveying pipe is arranged in the third through hole in a penetrating manner and is connected with the machine body, so that the material conveying pipe is arranged in the machine body in a penetrating manner and is connected with the machine body. In this embodiment, the material delivery pipe is of a plastic hose structure. In one embodiment, the heat exchange system further comprises a spray assembly. The spraying component is provided with a liquid inlet hole. The feed delivery pipe is communicated with the liquid inlet hole. The liquid outlet of the spraying mechanism faces the plurality of heat exchange tubes, so that the evaporator material is sprayed to each heat exchange tube through the liquid outlet of the spraying mechanism.
In one embodiment, the spray mechanism includes a communication tube and a showerhead. The communicating pipe is connected with the material conveying pipe. The spray header is located and holds the intracavity and locate on communicating pipe, and the liquid outlet is seted up in the spray header. The shower head is towards a plurality of heat exchange tube settings, makes the liquid outlet of spraying mechanism towards a plurality of heat exchange tube settings. In one embodiment, the shower head comprises a plurality of shower head units, the shower head units are arranged on the communicating pipe side by side, and each shower head unit is provided with a liquid outlet, so that the spraying mechanism has a better spraying effect. Furthermore, the plurality of spray header units are arranged at intervals, so that the evaporator material is sprayed onto the heat exchange tubes at corresponding positions through the spray mechanism, and the spray mechanism can uniformly spray the evaporator material onto the plurality of heat exchange tubes. In one embodiment, the spray cone angle of the liquid outlet of each showerhead unit is 30 to 60 °. In this embodiment, the spray cone angle of the liquid outlet of each shower head unit is 45 °, so that the material sprayed by the shower head units has a better conical effect. In one embodiment, each spray header unit is rotatably connected to the communicating pipe, so that the spray header units simultaneously rotate relative to the communicating pipe in the process of spraying the evaporator materials, and the spraying uniformity of the evaporator materials is improved.
Furthermore, the feed delivery pipe is positioned in the liquid inlet hole and connected with the communicating pipe, so that the feed delivery pipe is communicated with the liquid inlet hole. Furthermore, the descaling mechanism further comprises an induction wheel and an angle sensor, the induction wheel is sleeved on the transmission shaft, and a plurality of induction points are arranged on the induction wheel at intervals along the circumferential direction. The angle sensor is arranged opposite to the induction wheel, the angle sensor senses the induction points, the angle sensor judges the rotating position of the induction wheel according to the times of the induction points, the angle sensor measures the rotating angle of the transmission shaft in real time so as to determine the specific position of the frame moving relative to the machine body and ensure the heat exchange pipe of the brush component.
It is understood that in other embodiments, the measurement of the rotation angle of the transmission shaft is not limited to the structure of measuring by combining the sensing wheel and the angle sensor, and can also be measured by using an encoder. In one embodiment, the heat exchange system further comprises an encoder, and the encoder is arranged on the transmission shaft. The encoder is used for measuring and controlling the rotating revolution of the motor so as to determine the moving stroke of the driving frame of the driving mechanism relative to the machine body, so that the moving stroke of the brush component is accurately controlled, and the problem that the outer wall of the heat exchange pipe is excessively brushed or is not brushed in place by the brush component is avoided.
In one embodiment, the driving mechanism further comprises a coupler, and two ends of the coupler are respectively connected with the power output shaft of the motor and the transmission shaft, so that the power of the motor is better transmitted to the transmission shaft. In this embodiment, the coupling is a quincunx elastic coupling, which is a connection part between the reduction motor and the transmission shaft. It is understood that in other embodiments, the driving mechanism is not limited to being a motor driving mechanism, but may be a cylinder driving mechanism.
In one embodiment, the heat exchange system further comprises a controller, and the controller is respectively connected with the encoder and the control end of the driving mechanism. The controller determines the movement stroke of the frame relative to the machine body according to the number of revolutions of the motor rotation measured by the encoder. The controller controls the driving mechanism to drive the frame to move in the positive and negative directions relative to the machine body according to the movement stroke of the machine body. In this embodiment, the controller is a PLC control system.
It is understood that in other embodiments, the driving mechanism is not limited to the motor gear-rack structure, but may be a motor screw-nut structure. In one embodiment, the driving mechanism comprises a motor, a screw rod and a nut, the motor is mounted on the periphery of the machine body, a power output shaft of the motor is connected with the screw rod, and the machine body is provided with a third through hole. The screw rod penetrates through the third penetrating hole and is rotatably connected with the machine body, and the nut is sleeved on the screw rod and is connected with the frame. When the motor drives the screw rod to rotate, the screw rod drives the nut to move so as to drive the frame to reciprocate relative to the machine body.
In one embodiment, the heat exchange system further comprises a sealing assembly, the sealing assembly is plugged in the third through hole, and the sealing assembly is sleeved on the transmission shaft, so that the transmission shaft is connected with the machine body to achieve better sealing performance. In order to better seal the sealing assembly in the third through hole, in one embodiment, an annular flange surrounding the third through hole is formed on the outer side of the machine body, and the sealing assembly is fixedly connected to the annular flange, so that the sealing assembly is better sealed in the third through hole. In this embodiment, the seal assembly is a packing seal.
In order to arrange the driving mechanism on the machine body, in one embodiment, a supporting plate is arranged on the periphery of the machine body, the driving mechanism is arranged on the supporting plate, and the driving mechanism is arranged on the machine body. In order to avoid the problem that the heat of the machine body is conducted to the driving mechanism through the supporting plate, in one embodiment, the heat exchange system further comprises a heat insulation mechanism, and the heat insulation mechanism is respectively connected with the supporting plate and the machine body, so that the supporting plate and the machine body are separated by the heat insulation mechanism. The heat insulation mechanism has heat insulation performance, and the problem that the heat of the machine body is conducted to the driving mechanism through the supporting plate due to the fact that the machine body is conducted to the supporting plate through the heat insulation mechanism is avoided. Further, the air conditioner is provided with a fan,
in one embodiment, the heat insulation mechanism comprises a connecting plate, and the connecting plate is respectively connected with the machine body and the supporting plate. The side of connecting plate deviating from the organism is formed with the heat insulation layer to the heat of organism conducts to the backup pad through the connecting plate. It is understood that in other embodiments, the insulating layer may be omitted. The connecting plate is a plate body with heat insulation performance.
In order to further improve the heat insulation performance of the heat insulation mechanism, in an embodiment, the heat insulation mechanism further includes a heat dissipation seat, the heat dissipation seat is disposed in parallel with the support plate, and the heat dissipation seat is connected to the connecting plate, so that the connecting plate conducts heat to the heat dissipation seat to exchange heat with the outside air through the heat dissipation seat. Furthermore, the heat dissipation seat comprises a metal heat conduction layer and a plurality of heat dissipation fins arranged on the metal heat conduction layer, the metal heat conduction layer is connected with the connecting plate, and the plurality of heat dissipation fins are arranged on the metal heat conduction layer at intervals, so that the connecting plate can quickly conduct heat to the metal heat conduction layer and conduct the heat to the heat dissipation fins through the metal heat conduction layer, and therefore the plurality of heat dissipation fins and air are subjected to heat exchange, and the heat dissipation performance of the heat insulation mechanism is improved.
Furthermore, the heat dissipation seat also comprises a first heat conduction copper pipe and a second heat conduction copper pipe. A spiral heat dissipation channel is formed in the metal heat conduction layer. The heat dissipation channel comprises a central channel and a peripheral channel, the central channel is located in the innermost ring channel of the heat dissipation channel, and the peripheral channel is located in the outermost ring channel of the heat dissipation channel. One end of the first heat conduction copper pipe is communicated with the peripheral channel, and the other end of the first heat conduction copper pipe is communicated with the communicating pipe. One end of the second heat conduction copper pipe is communicated with the central channel, and the other end of the second heat conduction copper pipe is communicated with the communicating pipe. Therefore, the evaporator material in the communicating pipe can flow into the peripheral channel through the first heat conduction copper pipe and flow back to the communicating pipe through the second heat conduction copper pipe, so that the heat dissipation of the metal heat conduction layer is realized, and the heat dissipation performance of the metal heat conduction layer is improved. In this embodiment, the first heat conduction copper pipe and the second heat conduction copper pipe are both connected to the communicating pipe located on the periphery of the machine body.
For avoiding the problem that first heat conduction copper pipe, second heat conduction copper pipe and heat dissipation channel block up, further, the tip that first heat conduction copper pipe is close to communicating pipe is equipped with first filter screen to large granule material in the evaporimeter material gets into first heat conduction copper pipe and leads to the problem that first heat conduction copper pipe, second heat conduction copper pipe and heat dissipation channel block up. In order to facilitate the regular cleaning of the first filter screen, further, the first heat conduction copper pipe is detachably connected to the communicating pipe, so that the first heat conduction pipeline is detachably connected with the communicating pipe, and the first filter screen is cleaned regularly. In this embodiment, first heat conduction copper pipe and communicating pipe threaded connection make first heat conduction pipeline and communicating pipe can dismantle and be connected. In order to improve the sealing performance of the connection between the first heat conduction pipeline and the communication pipe, the heat dissipation seat further comprises a sealing ring, a positioning boss is arranged at the end part, adjacent to the communication pipe, of the first heat conduction copper pipe, the sealing ring is sleeved on the positioning boss, and the sealing ring is clamped between the first heat conduction copper pipe and the communication pipe, so that the first heat conduction pipeline is tightly connected with the communication pipe.
In order to further improve the heat dissipation rate of the heat dissipation fins, the heat dissipation base further comprises a heat dissipation fan and a support frame, the support frame is connected with the metal heat conduction layer, and the metal heat conduction layer is connected with the support frame. The heat radiation fan is arranged on the support frame and is parallel to the metal heat conduction layer. The heat dissipation fan faces the plurality of heat dissipation fins, so that the heat dissipation fan can dissipate heat of the plurality of heat dissipation fins, and the heat dissipation rate of the heat dissipation fins is improved.
For avoiding in the waste liquid the great granule of volume to lead to the fact the jam to communicating pipe, furtherly, heat transfer system still includes filter house, and on filter house located the flowing back inside pipe wall, filter house was used for filtering the great granule of volume to the great granule of volume leads to the fact the jam to communicating pipe in the waste liquid. In this embodiment, filtering mechanism includes filter screen and cladding in the frame that encloses at the filter screen edge, encloses the frame joint on the inner wall of fluid-discharge tube, realizes enclosing frame and fluid-discharge tube quick assembly disassembly, realizes simultaneously that the granule filters in the great waste liquid of volume, reaches the washing of follow-up filter screen. Furthermore, the peripheral wall of the enclosing frame is provided with a clamping protrusion, the inner wall of the filtering channel is provided with a clamping groove, and the clamping protrusion is clamped into the clamping groove to realize the clamping connection of the enclosing frame and the inner wall of the filtering channel. In this embodiment, the surrounding frame is an elastic plastic frame, so that the surrounding frame is elastically fastened to the inner wall of the filtering channel. Furthermore, the number of the clamping protrusions and the clamping grooves is multiple, the clamping protrusions are distributed at intervals along the circumferential direction of the enclosing frame, and each clamping protrusion corresponds to one corresponding clamping groove in a clamped mode. The filtering mechanism and the filter act together, so that the liquid circularly entering the communicating pipe is clear, and the problem of blockage of the communicating pipe can be completely avoided.
Specifically, the circulation mechanism includes circulation pipeline and pump body, and the pump body is located on the circulation pipeline. The circulating pipeline is communicated with the liquid discharge pipe, so that the circulating mechanism can quickly discharge the waste liquid in the liquid discharge pipe to the outside of the machine body. In order to realize holding the quick discharge of intracavity waste liquid, furtherly, heat transfer system still includes the cock seat, and the drain hole with the fluid-discharge tube intercommunication is seted up to the bottom of organism, and the cock seat is located the drain hole and is connected with the organism, opens the cock seat and can realize quick discharge waste liquid, has improved the cleaning efficiency who holds the chamber bottom.
In one embodiment, the machine body is provided with a recovery hole communicated with the accommodating cavity, and the drain pipe is communicated with the accommodating cavity through the recovery hole. In order to improve the liquid discharge effect of the circulating mechanism, in one embodiment, the bottom of the inner wall of the accommodating cavity is of an arc-shaped curved surface structure, and the liquid discharge channel is formed in the bottom of the inner wall of the accommodating cavity, so that the circulating mechanism can rapidly discharge the waste liquid in the accommodating cavity.
In order to improve the cleaning efficiency of the bottom of the accommodating cavity, especially when more particles are deposited in the recycling hole, further, the machine body is provided with a fourth mounting hole communicated with the accommodating cavity. The heat exchange system further comprises a flushing pipe and a control valve, and the flushing pipe penetrates through the fourth mounting hole and is connected with the machine body. The flushing pipe is also communicated with the circulating pipeline, so that the liquid of the circulating pipeline can flush the inner wall of the recovery hole through the flushing pipe. The control valve is arranged on the flushing pipe. The flushing pipe is arranged close to the recovery hole, so that the flushing pipe can quickly clean particle impurities in the recovery hole, and the plug seat is opened simultaneously, so that the cleaning liquid in the accommodating cavity is discharged from the liquid discharge hole, and the cleaning convenience of the heat exchange system is improved. In this embodiment, the flushing pipe is located the tip that holds the intracavity and sets up towards the recovery hole, makes on the flushing pipe can wash recovery hole inner wall perpendicularly, has improved the efficiency of washing in recovery hole.
In one embodiment, the heat exchange system further comprises a pressing wheel assembly, the pressing wheel assembly is arranged in the machine body and is abutted to the frame in a rolling mode, the situation that the frame shakes relative to the supporting seat in the moving process is avoided, and the frame rolls more stably.
In order to enable the pressing wheel assembly to better roll and abut against the frame body, in one embodiment, the pressing wheel assembly abuts against one side of the frame body, which is away from the first roller, so that the pressing wheel assembly better rolls and abuts against the frame body.
In one embodiment, the pressing wheel assembly includes a mounting seat and a second roller, the mounting seat is disposed in the accommodating cavity and connected to the machine body, so that the pressing wheel assembly is disposed in the machine body, the second roller is rotatably connected to the mounting seat, and the second roller rolls and abuts against the frame body, so that the pressing wheel assembly rolls and abuts against the frame body. In order to avoid the overlarge rolling butting rigidity of the pinch roller assembly and the frame, the mounting seat is connected to the machine body in a sliding mode. The pinch roller assembly further comprises an elastic piece, and two ends of the elastic piece are respectively connected with the mounting seat and the machine body, so that the mounting seat is elastically connected to the machine body. When the frame has slight vibration in the rolling process, the frame compresses the elastic part through the mounting seat, so that the elastic part is extruded, and the pressing wheel assembly can rapidly absorb the slight vibration, thereby better avoiding overlarge rolling abutting rigidity of the pressing wheel assembly and the frame. Further, the mounting seat is formed with T type boss, and the organism has seted up the spout, and the boss is located the spout and with organism sliding connection, makes the mounting seat slide steadily for the organism.
The gear on the rotating shaft transmits torque to the rack under the driving of the gear motor, so that the rack and the frame do linear motion, the gear motor rotates forwards and backwards, the brush assembly can do reciprocating linear motion, and the PLC control system controls the encoder to determine the stroke of each reciprocating motion. The brush component is fixed on the frame and positioned between two adjacent heat exchange tubes of the evaporator, and the brush does reciprocating cleaning without stopping on the surfaces of the heat exchange tubes, so that the functions of preventing the surfaces of the heat exchange tubes from scaling and removing scale are achieved.
The heat exchange system solves the problems that the heat exchange tube is easy to scale and is difficult to remove, the heat exchange system perfectly exerts the advantages of the system, the competitive advantage in the industry is enhanced, meanwhile, the medicament cost for cleaning the tube wall of the heat exchange tube by adopting a large amount of acid-base cleaning liquid is saved, and the operation cost of the heat exchange system is greatly reduced in the long term, namely, the heat exchange system is environment-friendly.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
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