阅读说明：本技术 一种深度冷却换热设备 (Deep cooling heat exchange equipment ) 是由 贾耀磊 田甲蕊 范小春 潘紫贤 于 2020-07-02 设计创作，主要内容包括：本发明提供了一种深度冷却换热设备,属于冷却设备领域,包括塔体,塔体底部设有集水池,塔体内形成有冷却换热组件,冷却换热组件包括管箱、换热管和换热板片,管箱固定安装在塔体内壁上,两层以上换热板片从塔体左右两侧内壁朝塔体中心方向平行均匀分布在管箱上,换热板片上形成有供换热管通过的套孔；塔体外侧壁上形成有与换热管连通并向其通入循环水的循环水管,换热板片上的所述套孔形状大小均相同,且在换热板片上排列分布的位置也相同,换热管呈水平套设在所述套孔内。本发明的有益效果是：换热板片和换热管相互搭配,空气在换热板片之间的间隙处从下向上运动的过程中与换热管外表面接触,带走换热管外表面的热量,从而实现冷却。(The invention provides deep cooling heat exchange equipment, which belongs to the field of cooling equipment and comprises a tower body, wherein a water collecting tank is arranged at the bottom of the tower body, a cooling heat exchange assembly is formed in the tower body and comprises a pipe box, heat exchange pipes and heat exchange plate sheets, the pipe box is fixedly arranged on the inner wall of the tower body, more than two layers of heat exchange plate sheets are uniformly distributed on the pipe box in parallel from the inner walls of the left side and the right side of the tower body towards the center direction of the tower body, and sleeve holes for the heat exchange pipes to pass through are; the outer side wall of the tower body is provided with a circulating water pipe which is communicated with the heat exchange pipe and is introduced with circulating water, the shape and the size of the trepanning on the heat exchange plate are the same, the positions distributed on the heat exchange plate are also the same, and the heat exchange pipe is horizontally sheathed in the trepanning. The invention has the beneficial effects that: the heat exchange plates and the heat exchange tubes are matched with each other, and air contacts the outer surface of the heat exchange tubes in the process of moving from bottom to top at the gaps among the heat exchange plates to take away heat on the outer surface of the heat exchange tubes, so that cooling is realized.)

1. A deep cooling heat exchange device comprises a tower body, wherein a water collecting tank is arranged at the bottom of the tower body, and the deep cooling heat exchange device is characterized in that a cooling heat exchange assembly is formed in the tower body and comprises a pipe box, heat exchange pipes and heat exchange plate sheets, the pipe box is fixedly arranged on the inner wall of the tower body, more than two layers of the heat exchange plate sheets are uniformly distributed on the pipe box from the inner walls of the left side and the right side of the tower body towards the center direction of the tower body in parallel, and sleeve holes for the heat exchange pipes to pass through are formed in the heat exchange; the heat exchange plate is characterized in that a circulating water pipe communicated with the heat exchange pipe and introduced with circulating water is formed on the outer side wall of the tower body, the shape and the size of the trepanning on the heat exchange plate are the same, the positions distributed on the heat exchange plate in a distributed mode are also the same, and the heat exchange pipe is horizontally sleeved in the trepanning.

2. The deep cooling heat exchange device of claim 1, wherein the heat exchange plate is divided into an upper part and a lower part, the upper part is the trepanning holes which are arranged in a regular triangle staggered manner, and the lower part is a water collecting section which is not punched.

3. The deep cooling heat exchange device as claimed in claim 1, wherein more than two rows of the trepanning holes are formed on the heat exchange plate, and the flanging coaxial with the heat exchange tube is formed at the edge of the trepanning holes on the heat exchange plate.

4. Deep cooling heat exchange device according to claim 1, wherein the heat exchange plates are wavy from top to bottom.

5. The deep cooling heat exchange device of claim 1, wherein a heat exchange filler is further installed below the cooling heat exchange assembly, a spray water distribution system is formed between the heat exchange filler and the cooling heat exchange assembly, an air inlet window is formed in the position, below the heat exchange filler, of the tower body side wall, and a first valve is arranged at a communication position between an outlet of the heat exchange tube and an inlet of the spray water distribution system.

6. The deep cooling heat exchange device as claimed in claim 5, wherein a second valve is arranged at the communication position between the outlet of the heat exchange pipe and the inlet of the circulating water branch pipe, and the outlet of the circulating water branch pipe is directly communicated with the water collecting tank.

7. The deep cooling heat exchange equipment of claim 6, wherein the spray water distribution system comprises more than two spray water distribution devices which are arranged in a partitioned manner on the same horizontal plane, and one first valve is arranged between an inlet of each spray water distribution device and an outlet of the heat exchange tube.

8. The deep cooling heat exchange device of claim 7, wherein a circulating water branch pipe is arranged at a position corresponding to each spraying and water distributing device, and a second valve is arranged at a position where an inlet of each circulating water branch pipe is communicated with an outlet of the heat exchange pipe.

9. The deep cooling heat exchange device of claim 8, wherein the number of the spray water distribution devices is 8, and each spray water distribution device covers the same area on the same horizontal plane inside the tower body.

10. The deep cooling heat exchange device of claim 8, wherein the spraying and water distributing devices are arranged inside the tower body from left to right or from front to back.

Technical Field

The invention relates to the field of cooling equipment, in particular to deep cooling heat exchange equipment.

Background

The cooling tower is a circulating heat dissipation device, waste heat is absorbed by circulating water, the waste heat enters the tower and is sprayed on a filler, air circulating water is forced to exchange heat by a large-air-volume fan, cold heat exchange is carried out after water is contacted with air, heat is brought into the air by water vapor, the temperature of the circulating water is reduced, and the self-cooling effect is achieved. The existing cooling tower has the problems of poor cooling effect, serious water consumption of the cooling tower, easy dirt generation in pipes, incapability of adapting to the requirements of different external environments, easy icing of the tower content and the like.

Chinese patent CN210802113U discloses a shell-and-tube heat pipe cooling tower, the tower body is divided into an area a as a condensation section-wind channel, an area B as a heat insulation section, and an area C as an evaporation section-circulating water spray area; the shell-and-tube heat pipe exchanger is arranged in the tower body and consists of a condensation section positioned in the area A, a heat insulation section positioned in the area B and an evaporation section positioned in the area C which are sequentially connected, and the shell-and-tube heat pipe exchanger is inclined to the horizontal direction by an included angle of 10-12 degrees; a spraying device is arranged above the evaporation section in the area C, and a water tank is arranged below the evaporation section; the area A is located the fan is installed to the top of condensation section, is located the below of this condensation section and is provided with air inlet grille. The water circulation is completely separated from the air circulation, and is a closed system, so that the water loss is avoided, but the problems of poor cooling effect, easy production of dirt in the pipe and the like still exist.

Disclosure of Invention

The invention provides deep cooling heat exchange equipment, and aims to solve the technical problems that an existing cooling tower is poor in cooling effect, short in service life, prone to icing in the tower, incapable of adapting to different external environments and the like. The specific technical scheme is as follows:

a deep cooling heat exchange device comprises a tower body, wherein a water collecting tank is arranged at the bottom of the tower body, a cooling heat exchange assembly is formed in the tower body and comprises a pipe box, heat exchange pipes and heat exchange plate sheets, the pipe box is fixedly arranged on the inner wall of the tower body, more than two layers of the heat exchange plate sheets are uniformly distributed on the pipe box from the inner walls of the left side and the right side of the tower body towards the center direction of the tower body in parallel, and sleeve holes for the heat exchange pipes to pass through are formed in the heat exchange plate sheets; the heat exchange plate is characterized in that a circulating water pipe communicated with the heat exchange pipe and introduced with circulating water is formed on the outer side wall of the tower body, the shape and the size of the trepanning on the heat exchange plate are the same, the positions distributed on the heat exchange plate in a distributed mode are also the same, and the heat exchange pipe is horizontally sleeved in the trepanning. The heat exchange plates and the heat exchange tubes are matched with each other, and air contacts the outer surface of the heat exchange tubes in the process of moving from bottom to top at the gaps among the heat exchange plates to take away heat of circulating water in the heat exchange tubes, so that cooling is realized.

Preferably, the heat exchange plate is divided into an upper part and a lower part, the upper part is the trepanning arranged in a regular triangle staggered manner, and the lower part is a water receiving section without punching. The heat exchange and water collection functions are integrated, and the water collection device at the corresponding position is saved.

Preferably, more than two rows of the trepanning holes which are vertically arranged are formed on the heat exchange plate, and flanges which are coaxial with the heat exchange tube are formed at the edge positions of the trepanning holes on the heat exchange plate.

Preferably, the heat exchange plate is waved from top to bottom. Therefore, the residence time of the air in the cooling heat exchange assembly can be prolonged, and the cooling effect of the cooling heat exchange assembly is improved.

Preferably, a heat exchange filler is further installed below the cooling heat exchange assembly, a spraying water distribution system is formed between the heat exchange filler and the cooling heat exchange assembly, an air inlet window is formed in the position, below the heat exchange filler, of the side wall of the tower body, and a first valve is arranged at the position, communicated with the inlet of the spraying water distribution system, of the outlet of the heat exchange tube.

Preferably, a second valve is arranged at the communication position between the outlet of the heat exchange tube and the inlet of the circulating water branch tube, and the outlet of the circulating water branch tube is directly communicated with the water collecting tank.

Preferably, the spray water distribution system comprises more than two spray water distribution devices which are arranged on the same horizontal plane in a partitioning manner, and one first valve is arranged between an inlet of each spray water distribution device and an outlet of the heat exchange tube.

Preferably, the position corresponding to each spraying and water distributing device is provided with one circulating water branch pipe, and the communication part of the inlet of each circulating water branch pipe and the outlet of the heat exchange pipe is provided with one second valve.

Preferably, the number of the spraying water distribution devices is 8, and the coverage area of each spraying water distribution device on the same horizontal plane in the tower body is equal.

Preferably, the spraying and water distributing devices are arranged in the tower body from left to right or from front to back in sequence.

Preferably, the spraying water distribution system comprises a first spraying water distribution device and a second spraying water distribution device which are alternately arranged on the same horizontal plane, the first valve comprises a first valve A and a first valve B, the outlet of the heat exchange tube is communicated with the first spraying water distribution device through the first valve A, and the outlet of the heat exchange tube is communicated with the second spraying water distribution device through the first valve B.

Preferably, each of the first spraying water distribution device and the second spraying water distribution device is provided with one circulating water branch pipe at a corresponding position, the outlet of the heat exchange pipe is communicated with the circulating water branch pipe at the corresponding position of the first spraying water distribution device through a second valve A, and the outlet of the heat exchange pipe is communicated with the circulating water branch pipe at the corresponding position of the second spraying water distribution device through a second valve B.

Preferably, the spraying water distribution system comprises more than two groups of first spraying water distribution devices and second spraying water distribution devices which are alternately arranged on the same horizontal plane.

Preferably, the first spray water distribution devices and the second spray water distribution devices are alternately arranged from left to right or from front to back.

Preferably, the tower body can be a hollow cuboid structure, a hollow cylinder structure or any other structure, such as a polygonal structure, for example, when the tower body is a hollow cylinder structure, the spray water distribution devices are arranged along the circumferential direction of the heat exchange filler.

Preferably, the adjustable shutter is located at the center of the tower body, and the cooling heat exchange assembly is located between the outer edge of the adjustable shutter and the inner wall of the tower body.

Preferably, a water collector is formed below the adjustable shutter.

Preferably, a cleaning device for cleaning the cooling heat exchange assembly is formed above the cooling heat exchange assembly inside the tower body.

Preferably, a fan for pumping hot air out of the tower body is arranged at the top of the tower body.

Has the advantages that:

the beneficial effects of the invention are:

through the combined design of the cooling heat exchange assembly, the adjustable shutter, the spraying water distribution device and the heat exchange pipe branch pipe, the cooling equipment can be switched into different cooling heat exchange modes according to the change of the external environment temperature, so that the annual fog dissipation, water saving and energy saving are realized.

When the ambient temperature is high, the adjustable shutter of the middle part of the tower body is opened, the lower air inlet window is opened, the first valve is opened, the second valve is closed, the circulating water is cooled by the cooling heat exchange assembly firstly and then enters the spraying water distribution system through the pipeline and the first valve to be sprayed and cooled, and the circulating water is cooled twice to ensure the temperature reduction of the circulating water.

When the environmental temperature is lower, the adjustable shutter at the middle part of the tower body is closed, the air inlet window at the lower part is opened, and partial circulating water is cooled by the cooling heat exchange assembly through controlling the opening and closing of the first valve and the second valve and then enters the first spraying water distribution device through the pipeline to be sprayed and cooled; part of the circulating water is directly discharged into the water pool after being cooled by the cooling heat exchange assembly. In the spraying water section, the ambient air is directly contacted with the spraying water to form damp and hot air. In the non-spraying section, the ambient air is directly contacted with the cooling heat exchange assembly to form dry hot air, and the dry hot air and the hot air are mixed above the inside of the tower, so that the humidity of the wet hot air is reduced, and the aims of fog dissipation and water saving are fulfilled. And the number of the first valve and the second valve can be adjusted along with the change of the environmental temperature, so that the purpose of energy-saving, water-saving and fog-removing operation of the equipment to the maximum extent is ensured.

When the environmental temperature is very low, the adjustable shutter in the middle part of the tower body is closed, the air inlet window at the lower part is opened, the second valve is opened, the first valve is closed, all the circulating water is directly discharged into the water pool after being cooled by the cooling heat exchange assembly, no water is evaporated and no water is lost in the whole process, and the purpose of saving water is achieved; the air after heat exchange is dry hot air, thereby avoiding the generation of plume and realizing the aim of fog dissipation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic front view of a preferred water saving apparatus of the present invention;

FIG. 2 is a schematic side view of the water saving apparatus of the present invention;

FIG. 3 is a block diagram of a preferred cooling heat exchange assembly of the present invention;

FIG. 4 is a front view of a preferred heat exchanger plate structure of the present invention;

FIG. 5 is a side view of a preferred heat exchanger plate construction of the present invention;

FIG. 6 is a schematic diagram of a preferred spoiler structure according to the present invention.

In the figure: 1. a tower body; 11. a water collecting tank; 12. an air inlet window; 13. heat exchange filler;

14. an adjustable blind; 15. a water collector; 16. a cleaning device; 17. a fan;

2. cooling the heat exchange assembly; 21. a pipe box; 22. a heat exchange pipe; 221. a first spoiler strip;

222. a second spoiler strip; 23. a heat exchange plate; 24. trepanning; 25. a water receiving section;

26. a heat exchange pipe branch pipe; 27. a circulating water pipe; 3. spraying a water distribution system;

31. a first spray water distribution device; 32. a second spray water distribution device; 4. a first valve;

41. a first valve A; 42. a first valve B; 5. a second valve;

51. a second valve A; 52. and a second valve B.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1-5, the deep cooling heat exchange device includes a tower body 1, a water collecting tank 11 is disposed at the bottom of the tower body 1, a cooling heat exchange assembly 2 is formed in the tower body 1, the cooling heat exchange assembly 2 includes a pipe box 21, heat exchange pipes 22 and heat exchange plates 23, the pipe box 21 is fixedly mounted on the inner wall of the tower body 1, more than two layers of heat exchange plates 23 are uniformly distributed on the pipe box 21 from the inner walls of the left and right sides of the tower body 1 in parallel toward the center direction of the tower body 1, and trepanning 24 for the heat exchange pipes 22 to pass through is formed on the heat exchange plates 23; the outer side wall of the tower body 1 is provided with a circulating water pipe 27 which is communicated with the heat exchange pipe 22 and is introduced with circulating water, the shape and the size of the trepanning 24 on the heat exchange plate 23 are the same, the positions of the heat exchange plate 23 which are arranged and distributed are also the same, and the heat exchange pipe 22 is horizontally sheathed in the trepanning 24. The heat exchange plates and the heat exchange tubes are matched with each other, and air contacts the outer surface of the heat exchange tubes in the process of moving from bottom to top at the gaps among the heat exchange plates to take away heat of circulating water in the heat exchange tubes, so that cooling is realized.

The heat exchange plate 23 is divided into an upper part and a lower part, the upper part is provided with the trepanning 24 which is arranged in a regular triangle staggered manner, and the lower part is provided with a water collecting section 25 which is not punched. The heat exchange and water collection functions are integrated, and the water collection device at the corresponding position is saved.

More than two rows of sleeve holes 24 which are arranged up and down are formed on the heat exchange plate 23, and flanges (not shown in the figure) which are coaxial with the heat exchange tubes 22 are formed at the edge positions of the sleeve holes 24 on the heat exchange plate 23.

The heat exchanger plates 23 are corrugated from top to bottom. Therefore, the residence time of the air in the cooling heat exchange assembly can be prolonged, and the cooling effect of the cooling heat exchange assembly is improved.

The lower part of the cooling heat exchange component 2 is also provided with a heat exchange filler 13, a spraying water distribution system 3 is formed between the heat exchange filler 13 and the cooling heat exchange component 2, the side wall of the tower body 1 is positioned at the lower part of the heat exchange filler 13 and is provided with an air inlet window 12, and a first valve 4 is arranged at the communication position between the outlet of the heat exchange tube 22 and the inlet of the spraying water distribution system 3.

And a second valve 5 is arranged at the communication position between the outlet of the heat exchange tube 22 and the inlet of the circulating water branch tube 26, and the outlet of the circulating water branch tube 26 is directly communicated with the water collecting tank 11.

The spraying water distribution system 3 comprises more than two spraying water distribution devices which are arranged on the same horizontal plane in a partitioning manner, and one first valve 4 is arranged between the inlet of each spraying water distribution device and the outlet of the heat exchange tube 22. The corresponding position of each spraying and water distributing device is provided with one circulating water branch pipe 26, and the communication position of the inlet of each circulating water branch pipe 26 and the outlet of the heat exchange pipe 22 is provided with one second valve 5.

The number of the spraying water distribution devices is 8, and the spraying water distribution devices cover the same area on the same horizontal plane in the tower body 1. The spraying and water distributing devices are arranged in the tower body 1 from left to right or from front to back in sequence.

As a preferred embodiment, the spray water distribution system 3 comprises a first spray water distribution device 31 and a second spray water distribution device 32 which are alternately arranged on the same horizontal plane, referring to fig. 2, the first valve 4 comprises a first valve a 41 and a first valve B42, the outlet of the heat exchange pipe 22 is communicated with the first spray water distribution device 31 through the first valve a 41, and the outlet of the heat exchange pipe 22 is communicated with the second spray water distribution device 32 through the first valve B42.

Each of the first spray water distribution device 31 and the second spray water distribution device 32 is provided with one circulating water branch pipe 26 at a corresponding position, the second valve 5 comprises a second valve a 51 and a second valve B52, the outlet of the heat exchange pipe 22 is communicated with the circulating water branch pipe 26 at a corresponding position of the first spray water distribution device 31 through the second valve a 51, and the outlet of the heat exchange pipe 22 is communicated with the circulating water branch pipe 26 at a corresponding position of the second spray water distribution device 32 through the second valve B52.

The spray water distribution system 3 includes more than two groups of the first spray water distribution devices 31 and the second spray water distribution devices 32 alternately arranged on the same horizontal plane. The first spray water distribution devices 31 and the second spray water distribution devices 32 are alternately arranged from left to right or from front to back.

As a preferred embodiment, the tower body 1 may be a hollow rectangular parallelepiped structure, or a hollow cylindrical structure or any other structure, such as a polygonal structure, for example, when the tower body is a hollow cylindrical structure, the spray water distribution devices are arranged along the circumferential direction of the heat exchange packing.

An adjustable shutter 14 capable of automatically adjusting the opening degree is further arranged in the tower body 1, and the adjustable shutter 14 and the cooling heat exchange assembly 2 are located at the same height and at different positions.

The adjustable shutter 14 is positioned at the center of the tower body 1, and the cooling heat exchange assembly 2 is positioned between the outer edge of the adjustable shutter 14 and the inner wall of the tower body 1. A water collector 15 is formed below the adjustable louver 14.

In a preferred embodiment, a cleaning device 16 for cleaning the cooling heat exchange module 2 is formed inside the tower body 1 at a position above the cooling heat exchange module 2. The top of the tower body 1 is provided with a fan 17 for pumping hot air out of the tower body 1. The cleaning device 16 can be used for manual cleaning or automatic cleaning, and is used for cleaning the surface of the cooling heat exchange assembly 2 periodically to keep the surface of the cooling heat exchange assembly 2 clean, so that the heat exchange efficiency is not reduced.

As a preferred embodiment, a first spoiler strip 221 for disturbing the forward flow of water is further provided in the heat exchange tube 22, and referring to fig. 6, the first spoiler strip is a spiral-shaped structure having an outer diameter smaller than the inner diameter of the heat exchange tube 22 and formed by twisting a metal sheet into a spiral shape. The width of the metal sheet is 1/2-1/3 of the radius of the heat exchange tube. The arrangement of the turbulence strips 221 not only can remove dirt attached in the heat exchange tube, but also can accelerate the mutual flowing of water in the heat exchange tube at different distances from the inner wall, thereby accelerating the heat exchange between the inner wall of the tube and the water.

In practical design, because first vortex strip has played the effect of getting rid of the inside pipe wall dirt, the dirt is also adhered to easily on first vortex strip surface, here through adopting second vortex strip 222, with first vortex strip 221 between registrate each other, because first vortex strip 221 and second vortex strip 222 can appear relative motion at rivers through rotatory in-process to can prevent the production of mutual surface dirt.

According to the embodiment, through the combined design of the cooling heat exchange assembly, the adjustable shutter, the alternately arranged spray water distribution devices and the heat exchange pipe branch pipes, the cooling equipment can be switched into different cooling heat exchange modes according to the change of the external environment temperature, so that the annual fog dissipation, water saving and energy saving are realized;

specifically according to ambient temperature, can switch over three kinds of different cooling heat transfer modes, specifically as follows:

when the ambient temperature is high, the adjustable shutter of tower body mid portion is opened, and the lower part air inlet window is opened, and first valve is opened, and the second valve is closed, and the circulating water cools off via cooling heat exchange assembly earlier, and rethread pipeline gets into and sprays the water distribution system, sprays the cooling, and the temperature drop of circulating water is guaranteed in the dual cooling.

When the ambient temperature is lower, the adjustable shutter of tower body mid portion closes, and the lower part air inlet window is opened, and first valve A valve is opened, and second valve A valve is closed, and partial circulating water cools off via cooling heat exchange assembly earlier, and rethread pipeline gets into first water distribution device that sprays, sprays the cooling, and valve first valve B valve is closed, and second valve B valve is opened, and partial circulating water directly discharges into the pond after cooling through cooling heat exchange assembly. In the spraying water section, the ambient air is directly contacted with the spraying water to form damp and hot air. In the non-spraying section, the ambient air directly contacts with the cooling heat exchange assembly to form dry hot air. The dry air and the hot air are mixed above the interior of the tower, so that the humidity of the damp and hot air is reduced, and the aims of fog dissipation and water saving are fulfilled.

When the environmental temperature is very low, the adjustable shutter in the middle part of the tower body is closed, the air inlet window at the lower part is opened, the second valve is opened, the first valve is closed, all the circulating water is directly discharged into the water pool after being cooled by the cooling heat exchange assembly, no water is evaporated and no water is lost in the whole process, and the purpose of saving water is achieved; the air after heat exchange is dry hot air, thereby avoiding the generation of plume and realizing the aim of fog dissipation.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.