CN210922251U - Descaling closed cooling tower device - Google Patents
Descaling closed cooling tower device Download PDFInfo
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- CN210922251U CN210922251U CN201920981257.8U CN201920981257U CN210922251U CN 210922251 U CN210922251 U CN 210922251U CN 201920981257 U CN201920981257 U CN 201920981257U CN 210922251 U CN210922251 U CN 210922251U
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Abstract
The utility model discloses a scale removal closed cooling tower device, comprising a tower body, be provided with the coil pipe in the tower body, the cooling water export of coil pipe, cooling water import are worn out from the tower body lateral wall, be provided with the subassembly that sprays and airs exhaust that carries out the usefulness of heat transfer to the coil pipe in the tower body, the subassembly that sprays is including the water-collecting tray that is located the tower body bottom, water-collecting tray department is provided with the scale removal subassembly. The utility model provides a closed cooling tower during the operation, the long-term circulation of water in the ponding dish, because water hardness itself is great, and equipment is located the environment relatively poor, causes coil pipe and the easy scale deposit of filler, and quality of water breeies the alga, causes fortune dimension complicacy, needs the problem of a large amount of manpowers and material resources, has realized the high-efficient operation of cooling tower, has saved the human cost. The utility model has the advantages of convenient installation, convenient operation and convenient maintenance; stable operation, energy conservation, environmental protection, economy, practicality and the like. The design method is suitable for the design of long-time operation of the closed cooling tower in the region with hard water quality.
Description
Technical Field
The utility model belongs to the technical field of the cooling tower, concretely relates to scale removal closed cooling tower device.
Background
In recent years, with the shortage of water resources, the closed cooling tower is widely adopted due to the unique coil type heat exchange structure, namely, fluid in the pipe is isolated from spray water outside the pipe and air outside the pipe, the fluid in the pipe can keep higher cleanliness, and the closed cooling tower has more advantages than other cooling equipment. In addition, the application of the free cooling technology of the cooling tower in the field of air conditioning is increased year by year, so that the application space of the closed cooling tower is wider.
However, in the operation process of the equipment, aiming at areas with hard water quality, such as regions of huoyote, harbin, Beijing and the like, water in a water collecting disc of the closed cooling tower is continuously evaporated, the concentration of various salts in the water is continuously increased, the concentration multiple of cooling water in a short time is increased, and when the concentration multiple reaches a certain value, the outer wall of a cooling tower tray pipe and a filler are easily scaled and corroded, so that a main cooling machine of an air conditioner generates high-pressure protection, the normal operation of the equipment is influenced, and the normal cooling cannot be realized.
At present, the basic operation and maintenance mode is one to two months, the outer wall of the pipeline and the filler are manually descaled, and the workload is extremely high.
Disclosure of Invention
The utility model discloses a solve the problem that prior art exists and propose, its purpose provides a scale removal closed cooling tower device.
The technical scheme of the utility model is that: the utility model provides a scale removal closed cooling tower device, includes the tower body, be provided with the coil pipe in the tower body, the cooling water export of coil pipe, cooling water import are worn out from the tower body lateral wall, be provided with the spray assembly who carries out the usefulness of heat transfer to the coil pipe and the subassembly of airing exhaust in the tower body, spray assembly is including the water-collecting tray that is located the tower body bottom, water-collecting tray department is provided with scale removal subassembly.
Preferably, the descaling assembly comprises a dosing tank outside the tower body, the dosing tank is connected with a dosing pump, a liquid outlet of the dosing pump is communicated with a water collecting disc, and the water collecting disc is further communicated with an electric drain valve for draining water.
Preferably, a monitoring component for monitoring water in the water collecting tray is arranged in the water collecting tray.
Preferably, the monitoring component comprises a conductivity monitoring sensor and a pH value monitoring sensor, the conductivity monitoring sensor is connected with the control cabinet through a conductivity signal line, and the pH value monitoring sensor is connected with the control cabinet through a pH value signal line.
Preferably, the spraying assembly comprises a spraying head which is arranged in the tower body and used for spraying water onto the coil pipe, the spraying head is communicated with a spraying pump, and the water inlet end of the spraying pump is communicated with the water collecting plate.
Preferably, a filler is further arranged in the tower body, and the filler is located below the coil pipe.
Preferably, the air exhaust assembly comprises an electric air inlet shutter positioned on the side wall of the tower body and a fan positioned at the top end of the tower body.
Preferably, an air hole is formed between the fan and the water spraying head, and a water baffle is arranged at the air hole.
Preferably, a water replenishing pipeline for replenishing water in the water collecting tray is arranged at the water collecting tray.
Preferably, the electric blowdown valve is connected with the control cabinet through a control line.
The utility model provides a closed cooling tower during the operation, the long-term circulation of water in the ponding dish, because water hardness itself is great, and equipment is located the environment relatively poor, causes coil pipe and the easy scale deposit of filler, and quality of water breeies the alga, causes fortune dimension complicacy, needs the problem of a large amount of manpowers and material resources, has realized the high-efficient operation of cooling tower, has saved the human cost.
The utility model has the advantages of convenient installation, convenient operation and convenient maintenance; stable operation, energy conservation, environmental protection, high automation degree, economy, practicality and the like. The design is particularly suitable for the region with hard water quality and the design of long-time operation of the closed cooling tower.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
wherein
1 blower 2 water baffle
3 shower head 4 coil pipe
5 cooling water outlet, 6 cooling water inlet
7-filler 8-electric air inlet shutter
9 drench water pump 10 water-collecting tray
11 water supply pipeline 12 chemical dosing tank
13 electric blowoff valve 14 control cabinet
15 control line 16 conductivity signal line
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples
As shown in fig. 1, a descaling closed cooling tower device comprises a tower body, wherein a coil 4 is arranged in the tower body, a cooling water outlet 5 and a cooling water inlet 6 of the coil 4 penetrate out of the side wall of the tower body, a spray assembly and an exhaust assembly for exchanging heat for the coil 4 are arranged in the tower body, the spray assembly comprises a water collecting tray 10 positioned at the bottom of the tower body, and a descaling assembly is arranged at the position of the water collecting tray 10.
When water is in the water collecting plate 10, the spraying assembly can spray water onto the coil pipe 4 so as to exchange heat.
When the water in the water collecting tray 10 is mixed with the descaling chemicals, the spraying assembly can spray the mixture onto the coil pipe 4 and the filler 7, so that the coil pipe 4 and the filler 7 are descaled.
The descaling assembly comprises a dosing tank 12 outside the tower body, the dosing tank 12 is connected with a dosing pump 18, a liquid outlet of the dosing pump 18 is communicated with a water collecting tray 10, and the water collecting tray 10 is also communicated with an electric drain valve 13 for draining water.
A monitoring component for monitoring the water in the water collection tray 10 is arranged in the water collection tray 10.
The monitoring assembly comprises a conductivity monitoring sensor and a pH value monitoring sensor, the conductivity monitoring sensor is connected with the control cabinet 14 through a conductivity signal line 16, and the pH value monitoring sensor is connected with the control cabinet 14 through a pH value signal line 17.
The spraying assembly comprises a spraying head 3 which is arranged on the tower body and used for spraying water onto the coil pipe 4, the spraying head 3 is communicated with a spraying pump 9, and the water inlet end of the spraying pump 9 is communicated with a water collecting tray 10.
The tower body is also provided with a filler 7, and the filler 7 is positioned below the coil pipe 4.
The exhaust assembly comprises an electric air inlet shutter 8 positioned on the side wall of the tower body and a fan 1 positioned at the top end of the tower body.
An air hole is formed between the fan 1 and the water spraying head 3, and a water baffle 2 is arranged at the air hole.
And a water replenishing pipeline 11 for replenishing water in the water collecting tray 10 is arranged at the water collecting tray 10.
The electric blowdown valve 13 is connected with the control cabinet 14 through a control line.
The tower body is square or other shapes.
The electric air inlet shutter 8 is arranged at two sides of the lower part of the tower body, outdoor air is discharged out of the tower body through the fan 1 from the electric air inlet shutter 8 through the filler 7 and the coil pipe 4, and the fan 1 is arranged at the upper part of the tower body.
The water spraying pump 9 pumps water from the water collecting tray 10, the water is lifted to the water spraying head 3, the water baffle 2 is arranged on the upper portion of the water spraying head 3, water flows through the coil pipe 4 and the filler 7 and falls back to the water collecting tray 10, and insufficient water is supplemented into the water collecting tray 10 through the water supplementing pipeline 11.
The coil 4 is provided with a cooling water outlet 5 and a cooling water inlet 6, and water exchanges heat with water of the shower head 3 through outdoor air.
The conductivity and the pH value in the water collecting tray 10 are detected by arranging a conductivity monitoring sensor and a pH value monitoring sensor in the water collecting tray 10, the conductivity and the pH value are transmitted to the control cabinet 14 through a conductivity signal line 16 and a pH value signal line 17, the control cabinet 14 sends instructions to the dosing tank 12 and the dosing pump 18 to dose water in the water collecting tray 10, and when the conductivity reaches a certain critical value, the control cabinet 14 opens the electric blow-off valve 13 through a control line 15 and correspondingly opens the water replenishing pipeline 11.
The medicine feeding tank 12 is internally provided with a scale remover and a bactericide which are commercially available water-soluble medicines.
The conductivity monitoring sensor and the pH monitoring sensor are commercially available sensors, and only need to be able to detect the conductivity and pH of the water in the water collection tray 10.
The utility model discloses a from the theory of operation as follows:
the utility model discloses a cooling tower device, during the use, opens water spray pump 9, draws water from water-collecting tray 10, promotes water to the trickle head 3, and rivers fall back water-collecting tray 10 via coil pipe 4 and filler 7. In the repeated water circulation process, a large amount of water vapor with low TDS (total dissolved solids content) is taken away by a cooling system due to heat dissipation, hardness factors in raw water are left in circulating water, so that the hardness and TDS concentration of the circulating water are increased, scaling and corrosion tendency are enhanced, and the circulating water is also bred with algae after being exposed to air for a long time, so that a scale inhibitor and a sterilizing algicide need to be added.
The parameters such as conductivity, pH value and the like in the water collecting tray 10 are detected and transmitted to the control cabinet 14 through the conductivity signal line 16 and the pH value signal line 17, and the control cabinet 14 sends instructions to the dosing tank 12 and the dosing pump 18 to dose water in the water collecting tray 10, so that scale inhibition, slow release agent, sterilization and algae removal are realized. When the conductivity reaches a certain critical value, the control cabinet 14 opens the electric blowdown valve 13 through the control line 15, and correspondingly opens the water replenishing pipeline 11.
The utility model discloses an automatic scale removal closed cooling tower device has solved closed cooling tower during the operation, and the long-term circulation of water in the ponding dish is because water hardness itself is great, and equipment is located the environment relatively poor, causes its coil pipe outer wall and the easy scale deposit of filler, and quality of water breeding alga, causes fortune dimension complicacy, needs the problem of a large amount of manpowers and material resources, has realized the high-efficient operation of cooling tower, has saved the human cost. The device has the advantages of convenient installation, convenient operation and convenient maintenance; stable operation, energy conservation, environmental protection, high automation degree, economy, practicality and the like. The design is particularly suitable for the region with hard water quality and the design of long-time operation of the closed cooling tower.
The utility model provides a closed cooling tower during the operation, the long-term circulation of water in the ponding dish, because water hardness itself is great, and equipment is located the environment relatively poor, causes coil pipe and the easy scale deposit of filler, and quality of water breeies the alga, causes fortune dimension complicacy, needs the problem of a large amount of manpowers and material resources, has realized the high-efficient operation of cooling tower, has saved the human cost.
The utility model has the advantages of convenient installation, convenient operation and convenient maintenance; stable operation, energy conservation, environmental protection, high automation degree, economy, practicality and the like. The design is particularly suitable for the region with hard water quality and the design of long-time operation of the closed cooling tower.
Claims (10)
1. The utility model provides a scale removal closed cooling tower device, includes the tower body, its characterized in that: be provided with coil pipe (4) in the tower body, cooling water outlet (5), cooling water inlet (6) of coil pipe (4) are worn out from the tower body lateral wall, be provided with in the tower body and carry out the spray set and the subassembly of airing exhaust of heat transfer usefulness to coil pipe (4), spray set is including water-collecting tray (10) that are located the tower body bottom, water-collecting tray (10) department is provided with the scale removal subassembly.
2. The descaling closed cooling tower device according to claim 1, wherein: the descaling assembly comprises a dosing tank (12) outside the tower body, the dosing tank (12) is connected with a dosing pump (18), a liquid outlet of the dosing pump (18) is communicated with a water collecting disc (10), and the water collecting disc (10) is also communicated with an electric drain valve (13) for draining water.
3. The descaling closed cooling tower device according to claim 2, wherein: the water collecting tray (10) is provided with a monitoring component for monitoring water in the water collecting tray (10).
4. A descaling closed cooling tower apparatus according to claim 3, wherein: the monitoring assembly comprises a conductivity monitoring sensor and a pH value monitoring sensor, the conductivity monitoring sensor is connected with the control cabinet (14) through a conductivity signal line (16), and the pH value monitoring sensor is connected with the control cabinet (14) through a pH value signal line (17).
5. The descaling closed cooling tower device according to claim 4, wherein: the spray assembly comprises a spray head (3) which is arranged in the tower body and sprays water onto the coil pipe (4), the spray head (3) is communicated with a spray pump (9), and the water inlet end of the spray pump (9) is communicated with a water collecting tray (10).
6. The descaling closed cooling tower device according to claim 5, wherein: the tower body is also provided with a filler (7), and the filler (7) is positioned below the coil pipe (4).
7. The descaling closed cooling tower device according to claim 6, wherein: the exhaust assembly comprises an electric air inlet shutter (8) positioned on the side wall of the tower body and a fan (1) positioned at the top end of the tower body.
8. The descaling closed cooling tower apparatus according to claim 7, wherein: an air hole is formed between the fan (1) and the water spraying head (3), and a water baffle (2) is arranged at the air hole.
9. The descaling closed cooling tower device according to claim 1, wherein: and a water replenishing pipeline (11) for replenishing water in the water collecting tray (10) is arranged at the water collecting tray (10).
10. The descaling closed cooling tower device according to claim 2, wherein: the electric blowdown valve (13) is connected with the control cabinet (14) through a control line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920981257.8U CN210922251U (en) | 2019-06-27 | 2019-06-27 | Descaling closed cooling tower device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920981257.8U CN210922251U (en) | 2019-06-27 | 2019-06-27 | Descaling closed cooling tower device |
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| Publication Number | Publication Date |
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| CN210922251U true CN210922251U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920981257.8U Active CN210922251U (en) | 2019-06-27 | 2019-06-27 | Descaling closed cooling tower device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307735A (en) * | 2019-06-27 | 2019-10-08 | 中国铁路设计集团有限公司 | A kind of scale removal closed cooling tower device |
| CN112556489A (en) * | 2020-12-08 | 2021-03-26 | 厦门烟草工业有限责任公司 | Cooling tower cleaning device and cooling tower |
-
2019
- 2019-06-27 CN CN201920981257.8U patent/CN210922251U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307735A (en) * | 2019-06-27 | 2019-10-08 | 中国铁路设计集团有限公司 | A kind of scale removal closed cooling tower device |
| CN112556489A (en) * | 2020-12-08 | 2021-03-26 | 厦门烟草工业有限责任公司 | Cooling tower cleaning device and cooling tower |
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