CN219810302U - Closed sewage cooling tower - Google Patents
Closed sewage cooling tower Download PDFInfo
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- CN219810302U CN219810302U CN202221392181.3U CN202221392181U CN219810302U CN 219810302 U CN219810302 U CN 219810302U CN 202221392181 U CN202221392181 U CN 202221392181U CN 219810302 U CN219810302 U CN 219810302U
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- 239000010865 sewage Substances 0.000 title claims abstract description 144
- 238000001816 cooling Methods 0.000 title claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 149
- 238000005507 spraying Methods 0.000 claims abstract description 32
- 241000736911 Turritella communis Species 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000012546 transfer Methods 0.000 claims description 53
- 238000011001 backwashing Methods 0.000 claims description 29
- 238000007599 discharging Methods 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013524 data verification Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a closed sewage cooling tower, which comprises a cooling tower shell, a heat exchange module and a clear water spraying device, wherein the heat exchange module is arranged on the cooling tower shell; the heat exchange module is arranged on the cooling tower shell in a penetrating way; the heat exchange module comprises a plurality of in-line pipe modules which are arranged in a stacked manner, the plurality of straight pipes of each straight pipe module are communicated; the sewage to be cooled is conveyed into the straight pipes of the straight pipe module through the sewage inlet of the heat exchange module, and the cooled sewage is conveyed to the outside through the sewage outlet; the clean water spray device is arranged in the cooling tower shell and is positioned above the heat exchange module, and is used for spraying water into the heat exchange module so as to exchange heat with the sewage to be cooled in the straight pipe through the pipe wall of the straight pipe, thereby realizing the cooling of the sewage to be cooled. The utility model adopts a closed mode to ensure that the sewage is not contacted with external water and air in the cooling process, thereby avoiding secondary pollution to the environment.
Description
Technical Field
The utility model relates to a cooling tower, in particular to a closed sewage cooling tower.
Background
At present, the traditional sewage cooling system adopts an open cooling tower, but cold air of a ventilation system of the open cooling tower directly contacts with hot sewage to be cooled through a heat exchange area in the tower, so that mass transfer and heat dissipation are carried out, and meanwhile, odor components in the sewage are discharged into the surrounding atmosphere after being added into the air. The cooling tower cools sewage and simultaneously causes secondary pollution to the environment, which is not beneficial to environmental protection.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a closed sewage cooling tower which can solve the problem of secondary pollution of the existing open cooling tower.
The utility model adopts the following technical scheme is realized:
a closed sewage cooling tower comprises a cooling tower shell, a heat exchange module and a clear water spraying device; wherein, the heat exchange module is arranged in the cooling tower shell in a penetrating way;
the heat exchange module is formed by stacking a plurality of straight pipe modules, each straight pipe module comprises a plurality of straight pipes, and when the number of the straight pipes is multiple, the straight pipes are communicated through the end parts of the straight pipes, and the straight pipe modules of adjacent layers are communicated;
the clean water spraying device is arranged in the cooling tower shell, is positioned above the heat exchange module and is used for spraying water into the heat exchange module so as to exchange heat with the sewage to be cooled in the straight pipe through the pipe wall of the straight pipe; the heat exchange module is provided with a sewage inlet and a sewage outlet; the sewage inlet is arranged on the lowest-layer straight tube module and is used for conveying the sewage to be cooled into the straight tube of the heat exchange module so as to exchange heat with water outside the straight tube; the sewage inlet is arranged on the uppermost straight tube module and is used for conveying cooled sewage to the outside.
Further, an air outlet is formed in the top of the cooling tower shell, and an air inlet is formed in the bottom of the cooling tower shell; the air inlet is used for conveying dry and cold air from the lower part of the cooling tower shell to between the plurality of straight pipes of the heat exchange module so as to take away hot air in the heat exchange module and form damp and hot air, and then the damp and hot air is discharged to the outside from the air outlet.
Further, a fan is arranged at the air outlet and is used for discharging the hot and humid air to the outside.
Further, a water collecting device is arranged between the clear water spraying device and the fan; the water collecting device is used for collecting the hot and humid air, discharging the hot and humid air to the outside through the fan, and conveying the collected water to the clean water spraying device.
Further, the method comprises the steps of, a cooling device is arranged between the heat exchange module and the clear water spraying device; the cooling device is used for cooling water sprayed by the clear water spraying device and conveying the cooled water to the heat exchange module.
Further, the sewage treatment device also comprises a sewage inlet pipe and a sewage outlet pipe; the sewage inlet pipe is communicated with the sewage inlet of the heat exchange module and is used for enabling sewage to be cooled to enter the in-line pipe of the heat exchange module through the sewage inlet; the sewage outlet pipe is communicated with the sewage outlet of the heat exchange module and is used for discharging cooled sewage after heat exchange of the heat exchange module.
Further, a water collecting disc and a clear water pump are arranged at the bottom of the cooling tower shell; the water collecting disc is used for collecting water after passing through the heat exchange module; the water inlet of the clean water pump is communicated with the water collecting disc, and the water outlet of the clean water pump is communicated with the clean water spraying device through a pipeline and is used for conveying water in the water collecting disc to the clean water spraying device.
Further, the plurality of straight tube modules are respectively marked as an ith straight tube module from bottom to top; wherein 0<i < = N, N is the total number of in-line modules;
both ends of each straight tube module are provided with first transfer pipe box a second transfer tube box; the first transfer tube box of the first group of straight tubes is communicated with the sewage inlet tube, and the second transfer tube box is communicated with the second transfer tube box of the second group of straight tubes;
the first transfer pipe box of the j-th straight pipe module is communicated with the first transfer pipe box of the j+1-th straight pipe module; the second transfer tube box of the j+1th group of straight tubes is communicated with the second transfer tube box of the j+2th group of straight tubes; 2< = j < = N-2;
the first transfer pipe box of the Nth straight pipe module is communicated with the sewage outlet pipe.
Further, the first transfer tube box and the second transfer tube box of each straight tube module are respectively provided with a movable cover plate, and the movable cover plates are opened to the outside of the cooling tower shell so as to expose the port of each straight tube of the corresponding straight tube module.
Further, the automatic backwashing device is also included; the automatic backwashing device comprises an automatic backwashing control device a backwash water inlet pipe and a backwash water outlet pipe; wherein the backwashing water inlet pipe is communicated with the backwashing water inlet of the heat exchange module, and the backwashing water outlet pipe is communicated with the backwashing water outlet of the heat exchange module; wherein, the backwash water inlet of the heat exchange module is arranged on the straight tube module at the uppermost layer, and the backwash water outlet is arranged on the straight tube module at the lowermost layer.
Compared with the prior art, the method has the advantages that, the utility model has the beneficial effects that:
according to the utility model, the closed sewage cooling tower is adopted, so that sewage to be cooled flows in a closed pipeline, and the sewage is prevented from being contacted with external cooled water, so that secondary pollution of water resources is avoided; meanwhile, the sewage is not contacted with the outside air, so that the problem that the air is polluted due to the fact that odor in the sewage enters the air is avoided.
Drawings
FIG. 1 is a schematic diagram of a closed type sewage cooling tower provided by the utility model;
FIG. 2 is the heat exchange of FIG. 1 a schematic structural diagram of the module;
FIG. 3 is a schematic diagram of the connection of the cooling tower upper housing, the cooling tower lower housing, the heat exchange module, and the automatic backwash control device.
In the figure: 1. a cooling tower upper housing; 11. a sewage outlet pipe; 12. a sewage outlet; 13. backwashing the water inlet; 2. a cooling tower lower housing; 21. a sewage inlet pipe; 22. a sewage inlet; 23. a backwashing water outlet; 3. a heat exchange module; 31. in straight line a tube; 32. a first transfer tube box; 33. second turn connecting pipe a case; 34. a removable cover; 41. a clear water spraying device; 42. a water receiving device; 43. a cooling device; 5. a blower; 6. a water collecting tray; 7. a clean water pump; 81. an automatic backwash control device; 82. backwashing the water inlet pipe; 83. and backwashing the water outlet pipe.
Detailed Description
The utility model will be further described with reference to the drawings and detailed description which follow, wherein, under the condition of no conflict, any combination of the embodiments or technical features described below may be used to form new embodiments.
The utility model provides a brand new closed sewage cooling tower, which can ensure that sewage flows in a completely closed environment by replacing a traditional open cooling tower with the closed cooling tower, and avoid contact with cooled water and air, namely, completely isolate the sewage from the cooled water and air, thereby avoiding the odor components of the sewage from being transferred into the atmosphere and polluting the cooled water, and thoroughly solving the problem of secondary pollution of a sewage cooling system to the environment.
As shown in fig. 1-3, the present utility model provides a closed sewage cooling tower, comprising a cooling tower shell, a heat exchange module 3 and a clean water spray device 41.
Wherein, the middle part of the cooling tower shell is provided with an opening which penetrates left and right. That is, the heat exchange module 3 is provided penetrating through the middle portion of the cooling tower casing, so that the cooling tower casing forms the cooling tower upper casing 1 and the cooling tower lower casing 2. That is, the heat exchange module 3 is provided between the cooling tower upper casing 1 and the cooling tower lower casing 2.
The heat exchange module 3 is provided by stacking a plurality of inline pipe modules, each inline pipe module including a plurality of inline pipes 31, and when there are a plurality of inline pipes 31, the plurality of in-line pipes 31 communicate with each other through the ends thereof, and the in-line pipe modules of the adjacent layers communicate with each other so that sewage flows in each in-line pipe 31. The sewage to be cooled can flow in each straight tube 31, and the sewage is isolated from the outside air and water through the straight tubes 31, so that the problem of secondary pollution caused by contact with the outside air and water is avoided.
Preferably, the heat exchange module 3 is provided with a sewage inlet 22 and a sewage outlet 12. Wherein the sewage inlet 22 is disposed on the lowest-layer inline pipe module, and is used for conveying the sewage to be cooled to each inline pipe 31 in the lowest-layer inline pipe module, and then flows in the inline pipes 31 of the plurality of inline pipe modules, thereby flowing in all inline pipes 31. And a sewage outlet 12 arranged on the uppermost straight tube module for discharging the cooled sewage to the outside. In the whole device, the sewage always flows in the straight pipe 31 and is not directly contacted with the air and water outside, so that the problem of secondary pollution caused by the entering of odor or other components in the sewage into the air or water is avoided.
Preferably, the present utility model further comprises a sewage inlet pipe 21 and a sewage outlet pipe 11. Wherein the sewage inlet pipe 21 is in communication with the sewage inlet 22 for delivering the sewage to be cooled into the inline pipe 31 of the heat exchange module 3. The sewage outlet pipe 11 communicates with the sewage outlet 12 for delivering cooled sewage to the outside.
Preferably, the clean water spraying device 41 is arranged in the upper shell 1 of the cooling tower and is positioned above the heat exchange module 3, and is used for spraying water into the heat exchange module 3 so that the water is sprayed onto each straight pipe 31 of the heat exchange module 3, and the cooling of the sewage is realized by heat exchange between the pipe wall of the straight pipe 31 and hot sewage in the straight pipe 31. The sewage to be cooled flows from the inside of the straight pipe 31 of the straight pipe module at the lowest layer to the inside of the straight pipe 31 of the straight pipe module at the uppermost layer, and the spraying direction of the cooled water is opposite, and the cooled water is sprayed downwards from the upper side of the heat exchange module 3, so that the cooled water is sprayed on the pipe wall of the straight pipe 31, and then the cooled water exchanges heat with the sewage in the straight pipe 31, so that the cooled sewage is realized.
That is, when the sewage needs to be cooled, the sewage to be cooled is introduced into the straight pipes 31 of the heat exchange module 3 through the sewage inlet pipe 21, flows in the plurality of straight pipes 31, and simultaneously, the clean water spraying device 41 is started to spray water to the heat exchange module 3, so that the sewage in the straight pipes 31 exchanges heat with the water outside the straight pipes 31 through the pipe walls of the straight pipes 31, and the sewage to be cooled is cooled. Along with the flow of the sewage, the cooled sewage flows out to the outside through the sewage outlet pipe 11. During the whole heat exchange process, the sewage in the in-line pipe 31 is not in direct contact with the external cooled water, and secondary pollution is not caused to the water. At the same time, the sewage in the straight pipe 31 is not contacted with the air outside, so that the odor in the sewage can not enter the air, and secondary pollution to the air can not be caused.
Preferably, the heat exchange module 3 is set to comprise N inline tube modules. The N straight tube modules are respectively marked as an ith straight tube module from bottom to top; wherein 0<i < = N.
Both ends of each in-line pipe module are provided with a first transfer pipe box 32 and a second transfer pipe box 33. Wherein, the first transfer tube box 32 of the first straight tube module is communicated with the sewage inlet pipe 21, and the second transfer tube box 33 is communicated with the second transfer tube box 33 of the second straight tube module. The first transfer pipe box 32 of the Nth straight pipe module is communicated with the sewage outlet pipe 11.
For the middle inline pipe module, the first transfer pipe box 32 of the j-th inline pipe module is communicated with the first transfer pipe box 32 of the j+1-th inline pipe module; the second transfer tube box 33 of the j+1th group of straight tubes is communicated with the second transfer tube box 33 of the j+2th straight tube module; 2< = j < = N-2.
Preferably, the heat exchange module 3 as in the present embodiment comprises four inline tube modules. Each of the inline pipe modules includes four inline pipes 31, and the four inline pipes 31 are communicated through both ends thereof, and simultaneously, the inline pipe modules of the adjacent layers are also communicated through corresponding transfer pipe boxes, so that sewage flows in the inline pipes 31.
Meanwhile, a first transfer pipe box 32 and a second transfer pipe box 33 are respectively arranged at two ends of each straight pipe module to realize the communication of the straight pipes 31 in the adjacent straight pipe modules, so that sewage flows in all the straight pipes 31.
More specifically, as can be seen from fig. 2, the first transfer pipe box 32 of the first inline pipe module (the inline pipe module located at the lowest layer) of the four inline pipe modules of the heat exchange module 3 from bottom to top is in communication with the sewage inlet pipe 21, that is, the sewage inlet 22 of the heat exchange module 3 is provided on the first transfer pipe box 32 of the first inline pipe module and in communication with the sewage inlet pipe 21 for conveying the sewage to be cooled in the sewage inlet pipe 21 to each inline pipe 31 in the first inline pipe module.
The second transfer tube box 33 of the first straight tube module is communicated with the second transfer tube box 33 of the second straight tube module, the first transfer tube box 32 of the second straight tube module is communicated with the first transfer tube box 32 of the third straight tube module, and the second transfer tube box 33 of the third straight tube module is communicated with the second transfer tube box 33 of the fourth straight tube module, so that sewage can flow in the straight tube 31.
The first transfer tube box 32 of the fourth in-line tube module is communicated with the sewage outlet tube 11, and is used for conveying the cooled sewage to the sewage outlet tube 11 and then discharging the cooled sewage to the outside. That is, the sewage outlet 12 of the heat exchange module 3 is provided in the first transfer pipe box 32 of the fourth inline pipe module (the inline pipe module located at the uppermost layer) to communicate with the sewage outlet pipe 11.
The number of the straight tube modules and the number of the straight tubes 31 in each straight tube module are not limited to the number shown in the drawings of the present embodiment, and may be specifically set according to actual requirements.
Preferably, the cooling tower lower housing 2 of the present utility model is provided with an air inlet for delivering dry and cold air between the in-line pipes 31 of the heat exchange module 3 to carry away hot air of the heat exchanged water.
An air outlet is arranged on the upper shell 1 of the cooling tower and is used for discharging the damp and hot air passing through the heat exchange module 3 to the outside. The hot air of the water after heat exchange can be taken away through the dry and cold air, the temperature of the water can be reduced, and the water is cooled, so that the heat exchange efficiency is further improved. Simultaneously, through in time discharging the hot and humid air outside, in time take away the steam, further improve the efficiency of heat exchange. Meanwhile, since the sewage is located in the closed in-line pipe 31 without air contact, when the hot and humid air is discharged to the outside of the cooling tower, the odor of the sewage is not entered into the hot and humid air, and secondary pollution to the environment is not caused.
Preferably, in order to further discharge the hot and humid air, the present utility model further provides a blower 5 at an air outlet of the upper housing 1 of the cooling tower for drawing out and discharging the hot and humid air to the outside. Can be accelerated by a fan 5 and (5) discharging the damp and hot air.
Preferably, the air inlet of the cooling tower adopts the design of four-side high air inlets so as to ensure the maximum ventilation area of the air inlets, the air inlet can be designed to have the air inlet moving speed head as low as within 10Pa, and the design ventilation quantity of the cooling tower is enough, so that the power of the fan 5 shaft is further saved, and the aim of saving energy is fulfilled.
Meanwhile, the fan 5 of the cooling tower adopts a cooling fan with large caliber, low rotating speed and low dynamic pressure, the dynamic pressure of the air outlet is reduced to within 25Pa, the shaft power of the fan 5 is saved to the maximum extent, and the purposes of high efficiency and energy saving are further achieved.
More preferably still the use of a polymer, the air outlet is provided at the top of the cooling tower upper housing 1. The air inlet is provided on the side wall of the lower housing 2 of the cooling tower.
Preferably, a water collecting device 42 is arranged between the clean water spraying device 41 and the fan 5. The hot and humid air after passing through the heat exchange module 3 is treated by the water collecting device 42 and then discharged to the outside through the fan 5, and meanwhile, the collected water is re-conveyed to the clean water spraying device 41 so as to be sprayed to the heat exchange module 3 again.
Preferably, a cooling device 43 is arranged between the heat exchange module 3 and the clean water spraying device 41, and is used for cooling the water sprayed by the clean water spraying device 41 and conveying the cooled water to the heat exchange membrane group. By providing the cooling device 43, the sprayed water can be cooled and then transferred to the straight tube 31 of the heat exchange module 3 for heat exchange. Meanwhile, since the moisture in the hot and humid air has a certain temperature, the collected hot moisture can be cooled by providing the cooling device 43.
Preferably, the cooling means 43 are arranged close to the heat exchange module 3 and the heat exchange module 3 is in contact.
Preferably, the bottom of the cooling tower lower housing 2 is provided with a water collecting tray 6 for collecting water after passing through the heat exchange module 3.
Meanwhile, the utility model is provided with the clean water pump 7, the water of the water collecting disc 6 is conveyed to the clean water spraying device 41 again through the clean water pump 7, and then is conveyed to the straight tube 31 of the heat exchange module 3 after being cooled by the cooling device 43 for heat exchange.
Further, the water inlet of the clean water pump 7 is communicated with the opening of the water collecting disc 6, and the water outlet is communicated with the clean water spraying device 41 through a pipeline so as to re-convey the water in the water collecting disc 6 to the clean water spraying device 41.
The present utility model sprays the cooled water from above the cooling tower to below the cooling tower by flowing the fresh water and the dry and cold air outside the pipes of the in-line pipe 31 while the dry and cold air and the fresh water are in a countercurrent direction, i.e., the dry and cold air flows from the bottom of the cooling tower to the top of the cooling tower. Thus, after the hot sewage enters the in-line pipe 31, the heat energy is supplied to the water and the dry and cold air which are positioned outside the straight tube 31 through the tube wall of the straight tube 31, so as to achieve the aim of heat exchange. Meanwhile, the heat energy of the water subjected to heat exchange can be carried out by the dry and cold air to form damp and hot air, and the damp and hot air is discharged to the outside of the cooling tower through the fan 5, so that the purpose of cooling sewage to be cooled is achieved.
The sewage to be cooled of the utility model runs under the completely closed environment condition, is completely isolated from the externally circulated cooled water and air, and has no contact, thereby avoiding the problems of secondary pollution of the sewage to the cooled water and secondary pollution of the odor component of the sewage to the air when being transferred to the atmosphere.
Preferably, the utility model also comprises automatic backwashing means for backwashing the in-line pipes 31 within the heat exchange module 3.
More preferably, the automatic backwash device includes an automatic backwash control device 81, a backwash water inlet pipe 82 and a backwash water outlet pipe 83. Wherein, the backwash water inlet pipe 82 is communicated with the backwash water inlet 13 of the heat exchange module 3, and the backwash water outlet pipe 83 is communicated with the backwash water outlet 23 of the heat exchange module 3. By providing a backwashing device, backwashing of the inline pipe 31 and cleaning of the inline pipe 31 can be achieved. Wherein, the backwash water inlet 13 of the heat exchange module 3 is arranged on the uppermost straight tube module, and the backwash water outlet 23 is arranged on the lowermost straight tube module.
Preferably, the automatic backwash of the present utility model may achieve the following: clear water backwashing, acid backwashing and alkali backwashing. Wherein, can realize preventing blocking through clear water backwash, acid backwash can realize preventing dirt, alkali backwash can realize preventing greasy dirt. The corresponding backwash liquid can be delivered into the straight tube 31 through the backwash water inlet pipe 82 by the automatic backwash control device 81, the straight tube 31 is backwashed, and the backwashed liquid is pumped out to the outside through the backwash water outlet pipe 83, so that the cleaning of the straight tube 31 is completed.
In addition, through data verification, the automatic backwashing device can set an automatic starting period to be more than 15 days and a manual cleaning period to be more than 250 days in daily operation, so that the workload of operation and maintenance can be greatly saved, and a large amount of redundant labor force is released by a power-assisted sewage plant.
Preferably, the first and second transfer boxes 32, 33 of each inline tube module are provided with a removable cover 34. By removing the removable cover 34 to manually unblock each of the in-line pipes 31 in the in-line pipe module, the phenomenon that sewage cannot flow or flows slowly due to the blockage of the in-line pipes 31, which results in low heat exchange efficiency, is avoided.
More preferably, the movable covers 34 of the adapter boxes of two adjacent in-line pipe modules can be combined. Specifically, for example, the movable cover plate 34 on the first transfer pipe box 32 of the second inline pipe module and the movable cover plate 34 on the first transfer pipe box 32 of the third inline pipe module in fig. 1 are integrally designed, so that when the movable cover plate 34 is opened, the second inline pipe module and the inline pipe 31 in the third inline pipe module can be dredged at the same time. Preferably, the removable cover 34 is openable and closable by 90 ° to the outside of the cooling tower housing, facilitating cleaning of the inner wall of the tube of the in-line tube 31.
Meanwhile, the utility model sets the transfer pipe box at two ends of the in-line pipe module and arranges the movable cover plate 34 respectively, but also solves the problem that the automatic backwashing system can not solve the problem of the blockage of the straight tube 31, the in-line tube 31 can be manually cleaned by disassembling the removable cover 34.
Furthermore, the shell of the cooling tower is made of vinyl resin glass fiber reinforced plastic, can adapt to the working environment of sewage treatment cooling systems with various water qualities, reduces the running weight (installation foundation load) of the whole tower to the maximum extent, and indirectly reduces the total investment cost of the sewage cooling system.
Preferably, experiments prove that the COP (energy efficiency ratio) of the closed sewage cooling tower reaches about 200, the heat exchange efficiency of the closed sewage cooling tower is improved by more than 30% compared with that of a traditional closed cooling tower tray pipe module, and the energy-saving effect is remarkable.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (10)
1. A closed sewage cooling tower is characterized in that, comprises a cooling tower shell, a heat exchange module and a clear water spraying device; wherein, the heat exchange module is arranged in the cooling tower shell in a penetrating way;
the heat exchange module is formed by stacking a plurality of straight pipe modules, each straight pipe module comprises a plurality of straight pipes, and when the number of the straight pipes is multiple, the straight pipes are communicated through the end parts of the straight pipes, and the straight pipe modules of adjacent layers are communicated;
the clean water spraying device is arranged in the cooling tower shell, is positioned above the heat exchange module and is used for spraying water into the heat exchange module so as to exchange heat with the sewage to be cooled in the straight pipe through the pipe wall of the straight pipe; the heat exchange module is provided with a sewage inlet and a sewage outlet; wherein, the sewage inlet is arranged on the straight tube module at the lowest layer, for conveying the sewage to be cooled into the in-line pipes of the heat exchange module, to exchange heat with water outside the straight tube; the sewage inlet is arranged on the uppermost straight tube module and is used for conveying cooled sewage to the outside.
2. The closed-type sewage cooling tower according to claim 1, wherein an air outlet is formed in the top of the cooling tower shell, and an air inlet is formed in the bottom of the cooling tower shell; the air inlet is used for conveying dry and cold air from the lower part of the cooling tower shell to between the plurality of straight pipes of the heat exchange module so as to take away hot air in the heat exchange module and form damp and hot air, and then the damp and hot air is discharged to the outside from the air outlet.
3. The closed type sewage cooling tower according to claim 2, wherein a fan is provided at the air outlet for discharging the hot and humid air to the outside.
4. The closed sewage cooling tower according to claim 2, wherein a water receiving device is arranged between the clean water spraying device and the fan; the water collecting device is used for collecting the hot and humid air, discharging the hot and humid air to the outside through the fan, and conveying the collected water to the clean water spraying device.
5. The closed sewage cooling tower according to claim 1, wherein a cooling device is arranged between the heat exchange module and the clean water spraying device; the cooling device is used for cooling water sprayed by the clear water spraying device and conveying the cooled water to the heat exchange module.
6. The closed-type sewage cooling tower according to claim 1, further comprising a sewage water inlet pipe and a sewage water outlet pipe; the sewage inlet pipe is communicated with the sewage inlet of the heat exchange module and is used for enabling sewage to be cooled to enter the in-line pipe of the heat exchange module through the sewage inlet; the sewage outlet pipe is communicated with a sewage outlet of the heat exchange module, and the device is used for discharging the cooled sewage after heat exchange of the heat exchange module.
7. The closed sewage cooling tower according to claim 1, wherein a water collecting disc and a clear water pump are arranged at the bottom of the cooling tower shell; the water collecting disc is used for collecting water after passing through the heat exchange module; the water inlet of the clean water pump is communicated with the water collecting disc, and the water outlet of the clean water pump is communicated with the clean water spraying device through a pipeline and is used for conveying water in the water collecting disc to the clean water spraying device.
8. The closed-type sewage cooling tower according to claim 1, wherein the plurality of straight tube modules are respectively named as an i-th straight tube module from bottom to top; wherein 0<i < = N, N is the total number of in-line modules;
the two ends of each straight tube module are provided with a first transfer tube box and a second transfer tube box; a first transfer pipe box of the first group of straight pipes is communicated with the sewage inlet pipe the second transfer tube box is communicated with a second transfer tube box of the second group of in-line tubes;
the first transfer pipe box of the j-th straight pipe module is communicated with the first transfer pipe box of the j+1-th straight pipe module; the second transfer tube box of the j+1th group of straight tubes is communicated with the second transfer tube box of the j+2th group of straight tubes; 2< = j < = N-2;
the first transfer pipe box of the Nth straight pipe module is communicated with the sewage outlet pipe.
9. The closed-type sewage cooling tower according to claim 8, wherein the first transfer pipe box and the second transfer pipe box of each inline pipe module are provided with a movable cover plate which is opened to the outside of the cooling tower casing to expose the port of each inline pipe of the corresponding inline pipe module.
10. The closed-type sewage cooling tower according to claim 1, further comprising an automatic backwashing device; the automatic backwashing device comprises an automatic backwashing control device, a backwashing water inlet pipe and a backwashing water outlet pipe; wherein the backwashing water inlet pipe is communicated with the backwashing water inlet of the heat exchange module, and the backwashing water outlet pipe is communicated with the backwashing water outlet of the heat exchange module; wherein, the backwash water inlet of the heat exchange module is arranged on the straight tube module at the uppermost layer, and the backwash water outlet is arranged on the straight tube module at the lowermost layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221392181.3U CN219810302U (en) | 2022-06-02 | 2022-06-02 | Closed sewage cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221392181.3U CN219810302U (en) | 2022-06-02 | 2022-06-02 | Closed sewage cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219810302U true CN219810302U (en) | 2023-10-10 |
Family
ID=88214498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221392181.3U Active CN219810302U (en) | 2022-06-02 | 2022-06-02 | Closed sewage cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219810302U (en) |
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2022
- 2022-06-02 CN CN202221392181.3U patent/CN219810302U/en active Active
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Address after: 529932 No. 8, Huoda 7th Road, Nahuo Industrial Zone, Yangdong District, Yangjiang City, Guangdong Province Patentee after: Guangdong Tianli Cooling Tower Co.,Ltd. Address before: 529932 No. 8, Huoda 7th Road, Nahuo Industrial Zone, Yangdong District, Yangjiang City, Guangdong Province Patentee before: YANGJIANG T-LEAD COOLING TOWER CO.,LTD. |