阅读说明：本技术 一种具有反冲洗功能的抗污膜组件水处理装置 (Anti-fouling membrane assembly water treatment device with backwashing function ) 是由 韦学玉 刘志刚 许航 徐巧 虞静静 杨晓凡 于 2021-09-13 设计创作，主要内容包括：本发明公开了一种具有反冲洗功能的抗污膜组件水处理装置,属于水处理技术领域,包括至少一个处理筒以及输水组件,其中,所述处理筒内部由上之下依次设置有环形进水腔、过滤腔和清水腔,环形进水腔与过滤腔连接位置处呈喇叭口状,所述环形进水腔左侧的顶部连接有进水管。本发明当处理筒为一个时,在过滤过程中,停止向进水管内部进水时,利用复位弹簧将活塞板一上的清水对渗透膜进行反冲洗,同时通过擦拭环对渗透膜的外表面进行擦拭清理,提高对渗透膜的清理,当处理筒为两个时,在活塞板二上下不停运动的过程中,不仅实现对污水持续的过滤,还实现了在活塞板二上下移动一个周期的作用下对渗透膜的清理,使用方便,提高使用寿命。(The invention discloses a water treatment device of an anti-fouling membrane assembly with a back washing function, which belongs to the technical field of water treatment and comprises at least one treatment barrel and a water delivery assembly, wherein an annular water inlet cavity, a filter cavity and a clear water cavity are sequentially arranged in the treatment barrel from top to bottom, the connecting position of the annular water inlet cavity and the filter cavity is in a horn mouth shape, and the top of the left side of the annular water inlet cavity is connected with a water inlet pipe. When the number of the treatment cylinders is two, in the process of continuous movement of the piston plate II, continuous filtration of sewage is realized, and the permeable membrane is cleaned under the action of one period of up-down movement of the piston plate II, so that the use is convenient, and the service life is prolonged.)

1. The utility model provides a dirt-resistant membrane module water treatment facilities with backwash function, its characterized in that, includes at least one processing section of thick bamboo (5) and water delivery subassembly (7), wherein, processing section of thick bamboo (5) inside by having set gradually annular intake chamber (10), filter chamber (4) and clear water chamber (17) under last, and annular intake chamber (10) and filter chamber (4) hookup location department are the horn mouth form, the inside sliding connection of annular intake chamber (10) has annular piston (9), and the bottom symmetry of annular piston (9) is vertically fixed with piston rod one (6), the left top of annular intake chamber (10) is connected with inlet tube (8), and the other end and the water delivery subassembly (7) of inlet tube (8) are linked together, the bottom of piston rod one (6) extends to the top of filter chamber (4) and is connected with slip ring (11), the filter chamber is characterized in that a permeable membrane (12) is vertically installed at the middle position inside the filter chamber (4), a connecting ring (18) is fixed between two piston rods (6) at the top of the outer side surface of the permeable membrane (12), a wiping ring (19) used for scraping the outer side wall of the permeable membrane (12) is fixed on the inner side surface of the connecting ring (18), a blow-off pipe (15) is connected to the bottom of the right side of the filter chamber (4), a piston rod II (13) is symmetrically and vertically fixed at the bottom of the sliding ring (11), the bottom end of the piston rod II (13) extends to the top end inside the clear water chamber (17) and is connected with a piston plate I (14), the bottom of the piston plate I (14) is connected with the bottom end inside the clear water chamber (17) through a reset spring (16), the top of the left side of the clear water chamber (17) is connected with a water outlet pipe (2), and a control valve (3) is installed on the water outlet pipe (2), the clean water control valve is characterized in that a trigger switch (1) is installed at the bottom end inside a clean water cavity (17) on one side of the return spring (16), and the trigger switch (1) is electrically connected with the control valve (3).

2. The anti-fouling membrane module water treatment device with backwashing function of claim 1, wherein the water delivery module (7) is a water delivery pump.

3. The anti-fouling membrane assembly water treatment device with the back washing function as claimed in claim 1, wherein the number of the treatment cylinders (5) is two, the water outlet pipes (2) of the two treatment cylinders (5) are connected with a water drainage main pipe (20), the sewage discharge pipes (15) of the two treatment cylinders (5) are connected with a sewage discharge main pipe (21), and the water delivery assembly (7) is used for intermittently supplying water to the water inlet pipes (8) on the two treatment cylinders (5).

4. The anti-fouling membrane assembly water treatment device with the back washing function as claimed in claim 3, wherein the water delivery assembly (7) comprises a water inlet tank (23) and a driving mechanism at the top of the water inlet tank (23), wherein two water inlet cavities (27) are symmetrically arranged inside the water inlet tank (23), a piston plate II (22) is slidably connected inside the water inlet cavity (27), the top of the piston plate II (22) is hinged with a piston rod III (25), the bottoms of the two water inlet cavities (27) are respectively communicated with the water inlet pipes (8) on the two treatment cylinders (5), the bottoms of the two sides of the water inlet tank (23) are connected with water suction pipes (28) communicated with the two water inlet cavities (27), the top of the water inlet tank (23) is provided with the driving mechanism through a supporting frame, the driving mechanism comprises a bow-shaped rotating shaft (24) of the supporting frame and a driving motor (26) connected with one end of the bow-shaped rotating shaft (24), the top ends of the two piston rods III (25) are all sleeved on the outer side of the bow-shaped rotating shaft (24) and are distributed in a staggered mode.

5. The water treatment device with the anti-fouling membrane module having the back washing function as claimed in claim 3, wherein the water suction pipe (28) and the water inlet pipe (8) are both provided with one-way valves.

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a water treatment device with a back-washing function and an anti-fouling membrane assembly.

Background

Sewage, which is generally sewage from life and production, is polluted to some extent, and sewage treatment refers to a process of purifying sewage to meet the water quality requirement of draining a certain water body or reusing the sewage.

When water is subjected to membrane filtration treatment to remove foreign matter and the like in water, for example, sludge as a microbial cake, suspended solids in water to be treated, and the like tend to cause membrane clogging after a long-term filtration process of sewage, and the factor of membrane clogging is foreign matter in water, or microorganisms adhering to the membrane surface or the membrane, or metabolites of the microorganisms, and in order to secure a value of a flow rate at the time of designing a membrane filtration apparatus, it is necessary to periodically clean the membrane and remove the foreign matter.

Disclosure of Invention

1. Technical problem to be solved

The invention provides a water treatment device with a backwashing function for an anti-fouling membrane assembly, which is characterized in that when one treatment cylinder is used, and water is stopped to enter the water inlet pipe in the filtering process, clear water on a piston plate I is backwashed for an osmotic membrane by using a return spring, and the outer surface of the osmotic membrane is wiped and cleaned by a wiping ring, so that the cleaning for the osmotic membrane is improved, the service life of the osmotic membrane is prolonged, when two treatment cylinders are used, in the process of continuous up-and-down movement of a piston plate II, not only is the continuous filtering for sewage realized, but also the cleaning for the osmotic membrane under the action of one cycle of up-and-down movement of the piston plate II is realized, the use is convenient, and the service life is prolonged.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme:

the utility model provides a antifouling membrane module water treatment facilities with backwash function, includes at least one processing section of thick bamboo and water delivery subassembly, wherein, processing section of thick bamboo is inside by annular intake antrum, filter chamber and clear water cavity have set gradually under last, and annular intake antrum and filter chamber hookup location department are the horn mouth form, the inside sliding connection of annular intake antrum has annular piston, and the bottom symmetry of annular piston is vertical to be fixed with piston rod one, the left top in annular intake antrum is connected with the inlet tube, and the other end of inlet tube is linked together with the water delivery subassembly, the bottom of piston rod one extends to the top in filter chamber and is connected with the slip ring, the vertical osmotic membrane of installing in intermediate position department inside the filter chamber, and be fixed with the go-between two piston rod ones at osmotic membrane lateral surface top, be fixed with on the medial surface of go-between and be used for scraping the ring of wiping of getting the osmotic membrane lateral wall, the bottom on filter chamber right side is connected with the blow off pipe, the bottom symmetry of slip ring is vertical to be fixed with piston rod two, and the bottom of piston rod two extends to the inside top in clear water chamber and is connected with piston plate one, the bottom of piston plate one is connected with clear water intracavity portion bottom through reset spring, the left top in clear water chamber is connected with the outlet pipe, and installs the control valve on the outlet pipe, trigger switch is installed to the clear water intracavity portion bottom of reset spring one side, and is connected between trigger switch and the control valve electricity.

Preferably, the water conveying component is a water conveying pump.

Preferably, the number of the treatment barrels is two, the water outlet pipes of the two treatment barrels are connected with a main drainage pipe, the sewage discharge pipes of the two treatment barrels are connected with a main sewage discharge pipe, and the water delivery assembly is used for intermittently supplying water to the water inlet pipes on the two treatment barrels.

Preferably, the water delivery subassembly is including the actuating mechanism at case and the case top of intaking, wherein, the inside symmetry of case of intaking is provided with two intake antrums, and the inside sliding connection all of intake antrum has piston plate two, the top of piston plate two all articulates there is piston rod three, two the inlet tube on two treatment section of thick bamboos is respectively had in the bottom of intake antrum is linked together, the bottom of case both sides is connected with the pipe that absorbs water that is linked together with two intake antrums, actuating mechanism is installed through the support frame in the top of case of intaking, actuating mechanism includes the bow style of calligraphy pivot of support frame support and the driving motor who is connected with bow style of calligraphy pivot one end, two the outside that bow style of calligraphy pivot was located to the top of piston rod three all overlaps is height dislocation distribution.

Preferably, the water suction pipe and the water inlet pipe are both provided with one-way valves.

3. Advantageous effects

(1) The invention pumps sewage into the annular water inlet cavity through the water inlet pipe by the water delivery pump, pushes the annular piston to slide along the inside of the annular water inlet cavity under the action of pressure, when the annular piston slides to the position where the annular water inlet cavity is connected with the filter cavity, in the process, the annular piston and the sliding ring are respectively and rigidly connected with the first piston plate through the first piston rod and the second piston rod, so that the sliding ring and the first piston plate respectively slide along the inside of the filter cavity and the clear water cavity, and simultaneously, when the sliding ring slides to the bottom end along the inside of the filter cavity, the outer side wall of the sliding ring seals the inlet of the sewage discharge pipe, thereby preventing the sewage from being directly discharged from the position of the sewage discharge pipe, when the bottom surface of the first piston plate is contacted with the trigger switch, the control valve 3 on the piston plate is opened, and because the connecting position of the filter cavity and the annular water inlet cavity is in a horn mouth shape, make sewage from the inside that space position department got into the filter chamber, and under the pressure effect that sewage lasts the entering, filter sewage through the osmotic membrane, sewage after the filtration gets into the clear water intracavity portion of piston board top from the bottom of osmotic membrane, at the in-process of continuously intaking through water delivery pump, water after along with piston board top filtration lasts the increase, make water after the filtration inside the settling back of clear water intracavity portion from the inside of the outlet pipe import of clear water chamber side top connection overflow into the outlet pipe, collect, improve the quality of water, reduce the well impurity of water.

(2) The invention is easy to cause a large amount of blocking substances to be adsorbed on the surface of the osmotic membrane along with long-time sewage filtration, at the moment, the water delivery assembly is closed to stop water feeding into the treatment cylinder, then the piston plate I is pushed to move upwards along the interior of the clear water cavity under the action of the return spring, when the piston plate I is separated from the instant control valve of the trigger switch, the water filtered above the piston plate I enters the interior of the osmotic membrane and carries out reverse flushing from the inner side to the outer side of the osmotic membrane to remove impurities adsorbed on the osmotic membrane, and through discharging the impurities remained in the reverse flushing and the filtration cavity, the osmotic membrane is convenient to clean, the service life of the osmotic membrane is prolonged, meanwhile, the outer surface of the osmotic membrane is cleaned through the cleaning ring on the inner side of the connecting ring in the process of moving up the piston plate I, the sliding ring and the annular piston, the cleaning of the osmotic membrane is further improved, increasing the useful life of the osmotic membrane.

(3) The external power supply of the invention provides electric support for the driving motor in the water delivery assembly to rotate the bow-shaped rotating shaft, the crankshaft connecting rod principle in the engine is utilized in the rotating process to enable the two piston plates to move up and down along the inside of the water inlet cavity, when the piston plate in one water inlet cavity in the water inlet box is positioned at the bottom end of the inside of the water inlet cavity, the other piston plate is positioned at the top end of the inside of the other water inlet cavity in the water inlet box, when the piston plate moves from bottom to top, sewage is pumped into the water inlet cavity through the water suction pipe, then when the piston plate moves from top to bottom, the sewage pumped into the water inlet cavity enters the inside of the treatment cylinder from the position of the water inlet pipe to be filtered, in the process of filtering the sewage alternately by the two treatment cylinders, the continuous filtering of the sewage is realized, the use is convenient, and simultaneously, negative pressure absorption is utilized in the right, down and up directions of one piston plate, the return spring inside this corresponding treatment cylinder promotes a pair of osmotic membrane of piston plate and carries out the back flush for at the incessant in-process of motion about the second piston plate, not only realize the filtration to sewage, still realized the clearance to the osmotic membrane, convenient to use improves life.

In conclusion, when the number of the treatment cylinders is one, and water is stopped from entering the water inlet pipe in the filtering process, the return spring is used for backwashing the osmosis membrane by clean water on the piston plate I, and meanwhile, the outer surface of the osmosis membrane is cleaned by the cleaning ring, so that the cleaning of the osmosis membrane is improved, the service life of the osmosis membrane is prolonged, when the number of the treatment cylinders is two, in the process that the piston plate II does not stop moving up and down, not only is the continuous filtering of sewage realized, but also the cleaning of the osmosis membrane under the action of one period of up-and-down movement of the piston plate II is realized, the use is convenient, and the service life is prolonged.

Drawings

FIG. 1 is a schematic view of the overall internal structure of a treatment canister according to the present invention;

FIG. 2 is a schematic view of a partial structure of a treatment canister according to the present invention;

fig. 3 is a schematic view of the overall structure of the present invention.

Reference numerals: 1. a trigger switch; 2. a water outlet pipe; 3. a control valve; 4. a filter chamber; 5. a treatment cylinder; 6. a first piston rod; 7. a water delivery assembly; 8. a water inlet pipe; 9. an annular piston; 10. an annular water inlet cavity; 11. a slip ring; 12. a permeable membrane; 13. a piston rod II; 14. a piston plate I; 15. a blow-off pipe; 16. a return spring; 17. a clear water cavity; 18. a connecting ring; 19. a wiping ring; 20. a main drain pipe; 21. a main sewer; 22. a second piston plate; 23. a water inlet tank; 24. a bow-shaped rotating shaft; 25. a piston rod III; 26. a drive motor; 27. a water inlet cavity; 28. a suction pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

As shown in fig. 1-2, the anti-fouling membrane module water treatment device with backwashing function comprises a treatment barrel 5 and a water delivery module 7, wherein an annular water inlet cavity 10, a filter cavity 4 and a clear water cavity 17 are sequentially arranged inside the treatment barrel 5 from top to bottom, the connection position of the annular water inlet cavity 10 and the filter cavity 4 is in a horn mouth shape, an annular piston 9 is slidably connected inside the annular water inlet cavity 10, piston rods 6 are symmetrically and vertically fixed at the bottom of the annular piston 9, a water inlet pipe 8 is connected at the left top of the annular water inlet cavity 10, the other end of the water inlet pipe 8 is communicated with the water delivery module 7, the bottom end of the piston rod 6 extends to the top of the filter cavity 4 and is connected with a sliding ring 11, a permeable membrane 12 is vertically installed at the middle position inside the filter cavity 4, and a connecting ring 18 is fixed between the two piston rods 6 at the top of the outer side surface 12 of the permeable membrane, be fixed with on the medial surface of go-between 18 and be used for scraping the ring 19 of cleaning of getting osmotic membrane 12 lateral wall, the bottom on 4 right sides of filter chamber is connected with blow off pipe 15, the bottom symmetry of slip ring 11 is vertical to be fixed with two 13 of piston rod, and the bottom of two 13 of piston rod extends to the inside top in clear water chamber 17 and is connected with piston plate 14, the bottom of piston plate 14 is connected with the inside bottom in clear water chamber 17 through reset spring 16, the left top in clear water chamber 17 is connected with outlet pipe 2, and installs control valve 3 on the outlet pipe 2, trigger switch 1 is installed to the inside bottom in clear water chamber 17 of reset spring 16 one side, and is connected electrically between trigger switch 1 and the control valve 3, water delivery subassembly 7 is the water delivery pump.

In this embodiment, the water delivery assembly 7 is a water delivery pump, sewage is pumped into the annular water inlet cavity 10 through the water inlet pipe 8 by the water delivery pump, the annular piston 9 is pushed to slide along the inside of the annular water inlet cavity 10 under the action of pressure, when the annular piston 9 slides to the position where the annular water inlet cavity 10 is connected with the filter cavity 4, in the process, the annular piston 9 and the sliding ring 11 are respectively and rigidly connected with the piston plate one 14 through the piston rod one 6 and the piston rod two 13, so that the sliding ring 11 and the piston plate one 14 respectively slide along the inside of the filter cavity 4 and the clean water cavity 17, and when the sliding ring 11 slides to the bottom end along the inside of the filter cavity 4, the outer side wall of the sliding ring 11 seals the inlet of the sewage discharge pipe 15 to prevent the sewage from being directly discharged from the position of the sewage discharge pipe 15, and when the bottom surface of the piston plate one 14 is in contact with the trigger switch 1, the control valve 3 on the water outlet pipe 2 is opened, the connecting position of the filter cavity 4 and the annular water inlet cavity 10 is in a horn mouth shape, so that sewage enters the inside of the filter cavity 4 from a gap position, and under the pressure action of continuous sewage entering, the sewage is filtered through the osmotic membrane 12, the filtered sewage enters the clean water cavity 17 above the piston plate 14 from the bottom end of the osmotic membrane 12, in the continuous water inlet process through the water delivery pump, along with the continuous increase of the water filtered above the piston plate 14, the filtered water is deposited in the clean water cavity 17 and overflows into the inside of the water outlet pipe 2 from the inlet of the water outlet pipe 2 connected with the top of the side surface of the clean water cavity 17, the water is collected, the quality of the water is improved, the impurities in the water are reduced, a large amount of blocking objects are easily adsorbed on the surface of the osmotic membrane 12 along with the long-time sewage filtering, at the moment, the water delivery component 7 is closed to stop the water entering into the inside of the treatment barrel 5, then, under the action of a return spring 16, the piston plate I14 is pushed to move upwards along the inside of the clear water cavity 17, when the piston plate I14 is separated from the instant control valve 3 of the trigger switch 1, water filtered above the piston plate I14 enters the inside of the permeable membrane 12 and is reversely flushed from the inner side to the outer side of the permeable membrane 12, impurities adsorbed on the permeable membrane 12 are removed, the impurities staying in the backwashing and filtering cavity 4 are discharged through the back flushing 15, the permeable membrane 12 is conveniently cleaned, the service life of the permeable membrane 12 is prolonged, meanwhile, in the process that the piston plate I14, the sliding ring 11 and the annular piston 9 move upwards, the outer surface of the permeable membrane 12 is cleaned through the cleaning ring 19 on the inner side of the connecting ring 18, the cleaning of the permeable membrane 12 is further improved, and the service life of the permeable membrane 12 is prolonged.

Example two

The difference from the first embodiment is that, as shown in fig. 3, the number of the treatment cylinders 5 is two, the water outlet pipes 2 of the two treatment cylinders 5 are connected with a main drain pipe 20, the drain pipes 15 of the two treatment cylinders 5 are connected with a main drain pipe 21, the water delivery assembly 7 is used for intermittently supplying water to the water inlet pipes 8 on the two treatment cylinders 5, the water delivery assembly 7 comprises a water inlet tank 23 and a driving mechanism at the top of the water inlet tank 23, wherein two water inlet cavities 27 are symmetrically arranged in the water inlet tank 23, the water inlet cavities 27 are slidably connected with a piston plate two 22, the top of the piston plate two 22 is hinged with a piston rod three 25, the bottoms of the two water inlet cavities 27 are respectively communicated with the water inlet pipes 8 on the two treatment cylinders 5, and the bottoms of the two sides of the water inlet tank 23 are connected with water suction pipes 28 communicated with the two water inlet cavities 27, drive mechanism is installed through the support frame in the top of case 23 of intaking, drive mechanism includes support frame support's bow style of calligraphy pivot 24 and the driving motor 26 of being connected with bow style of calligraphy pivot 24 one end, two the outside that bow style of calligraphy pivot 24 was located all to the cover in the top of piston rod three 25 is height dislocation distribution, all install the check valve on water suction pipe 28 and the inlet tube 8.

In this embodiment, the external power supply provides an electric support for the driving motor 26 inside the water delivery assembly 7, so that the bow-shaped rotating shaft 24 rotates, and in the process of rotation, the two piston plates 22 move up and down along the inside of the water inlet cavity 27 by using the principle of crankshaft connecting rod inside the engine, when the piston plate 22 inside one of the water inlet cavities 27 inside the water inlet tank 23 is located at the bottom end inside the water inlet cavity 27, the other piston plate 22 is located at the top end inside the other water inlet cavity 27 inside the water inlet tank 23, when the piston plate 22 moves from bottom to top, sewage is pumped into the inside of the water inlet cavity 27 through the water suction pipe 28, and then when the piston plate 22 moves from top to bottom, the sewage pumped into the inside of the water inlet cavity 27 enters the inside of the treatment cylinder 5 from the position of the water inlet pipe 8 for filtration, and then the sewage is filtered according to the filtration process inside the treatment cylinder 5 in the first embodiment, the difference from the first embodiment is that continuous filtration of sewage is realized in the process of alternately filtering sewage by the two treatment cylinders 5, the use is convenient, and meanwhile, when one piston plate two 22 is absorbed by negative pressure from the lower right to the upper right, the return spring 16 in the corresponding treatment cylinder 5 pushes the piston plate one 14 to backwash the osmotic membrane 12, so that in the process of continuous up-and-down movement of the piston plate two 22, not only filtration of sewage is realized, but also cleaning of the osmotic membrane 12 is realized, the use is convenient, and the service life is prolonged.

According to the first embodiment and the second embodiment, when the number of the treatment cylinders 5 is one, and water is stopped from entering the water inlet pipe 8 in the filtration process, the return spring 16 is used for backwashing the osmosis membrane 12 by clean water on the first piston plate 14, and the outer surface of the osmosis membrane 12 is wiped and cleaned by the wiping ring 19, so that the cleaning of the osmosis membrane 12 is improved, the service life of the osmosis membrane 12 is prolonged, when the number of the treatment cylinders 5 is two, in the process that the second piston plate 22 does not stop moving up and down, not only is the continuous filtration of sewage realized, but also the cleaning of the osmosis membrane 12 under the action of one period of up and down movement of the second piston plate 22 is realized, the use is convenient, and the service life is prolonged.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.