CN110726329A - Automatic control and regulation device for high-temperature spray water of closed cooling tower - Google Patents
Automatic control and regulation device for high-temperature spray water of closed cooling tower Download PDFInfo
- Publication number
- CN110726329A CN110726329A CN201910890639.4A CN201910890639A CN110726329A CN 110726329 A CN110726329 A CN 110726329A CN 201910890639 A CN201910890639 A CN 201910890639A CN 110726329 A CN110726329 A CN 110726329A
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- water
- cooling tower
- automatic control
- temperature
- regulation device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a high-temperature spray water automatic control and regulation device for a closed cooling tower, which comprises a plurality of cooling towers, wherein the cooling towers are provided with spray openings, water inlets and water outlets; the spraying pumps are connected with the spraying ports on the cooling tower through pipelines; the spraying water tank is connected with the plurality of spraying pumps through pipelines; the water collecting discs are arranged at the bottom of the cooling tower and are connected with the spraying water tank through pipelines; and one end of the drainage pipeline is connected with one of the cooling towers, and the other end of the drainage pipeline is connected with the sewage well. The automatic control and regulation device for the high-temperature spray water of the closed cooling tower can ensure that the cooling tower is normally used in a high-temperature environment, and avoids the situations that the spray water temperature is high, the cooling capacity of the cooling tower is lower than the designed heat dissipation capacity and the like in the high-temperature environment.
Description
Technical Field
The invention relates to automatic control equipment, in particular to an automatic control and regulation device for high-temperature spray water of a closed cooling tower.
Background
The converter valve is one of core devices of a direct-current transmission project, so that normal and efficient operation of the converter valve has important significance on safe operation of the whole direct-current transmission project, the valve cooling system is used as a necessary auxiliary system of the converter valve, the aims of energy conservation, environmental protection and efficient cooling are achieved by accurately regulating and controlling technical indexes such as temperature, flow, pressure, water quality and the like of valve cold water, and safe, stable and reliable operation of the converter valve is guaranteed.
The direct-flow valve cooling system is generally divided into an inner cooling water circulation system and an outer cooling circulation system, after heat exchange between inner cooling water and a heating element is completed, the inner cooling water enters a cooling tower through a cooling valve and carries out secondary heat exchange with an outer cooling medium (spray water) to serve as outdoor heat exchange equipment, and the closed cooling tower is frequently high in spray water temperature and lower in cooling capacity than the designed heat dissipation capacity due to scaling or small heat dissipation capacity of the primary selection type and the like in a high-temperature environment in summer.
Disclosure of Invention
The invention mainly solves the technical problem of providing an automatic control and regulation device for high-temperature spray water of a closed cooling tower, which can be suitable for the cooling tower to be used in a high-temperature environment.
In order to solve the technical problems, the invention adopts a technical scheme that: a closed cooling tower high temperature spray water automatic control adjusting device comprises
The cooling tower is provided with a spraying port, a water inlet and a water outlet, and the water inlet and the water outlet are respectively connected with an internal cooling water inlet pipeline and an internal cooling water return pipeline;
the spraying pumps are connected with the spraying ports on the cooling tower through pipelines;
the spraying water tank is connected with the plurality of spraying pumps through pipelines;
the water collecting discs are arranged at the bottom of the cooling tower and are connected with the spraying water tank through pipelines;
and one end of the drainage pipeline is connected with one of the cooling tower, the other end of the drainage pipeline is connected with the sewage well, and the drainage pipeline is provided with an electric butterfly valve and a temperature switch.
In a preferred embodiment of the invention, a manual valve is arranged between the spray pump and the spray opening.
In a preferred embodiment of the present invention, an electric box is installed at the rear end of the cooling tower connected to the drain pipeline.
In a preferred embodiment of the present invention, the electric box is made of stainless steel.
In a preferred embodiment of the present invention, a control circuit is installed in the electric box.
In a preferred embodiment of the invention, the electric butterfly valve and the temperature switch are connected with the control circuit through wires.
In a preferred embodiment of the present invention, the water inlet and the water outlet are connected by a coil pipe.
In a preferred embodiment of the invention, the coil is located within the cooling tower.
In a preferred embodiment of the invention, the spray basin is connected with an external industrial basin through a pipeline.
In a preferred embodiment of the present invention, the drain pipe is connected to the water collecting tray in one of the cooling towers.
The invention has the beneficial effects that: the automatic control and regulation device for the high-temperature spray water of the closed cooling tower can ensure that the cooling tower is normally used in a high-temperature environment, and avoids the situations that the spray water temperature is high, the cooling capacity of the cooling tower is lower than the designed heat dissipation capacity and the like in the high-temperature environment.
Drawings
Fig. 1 is a schematic structural diagram of an automatic control and regulation device for high-temperature spray water of a closed cooling tower.
The parts in the drawings are numbered as follows: 1. a spray port; 2. a water inlet; 3. a water outlet; 4. an internal cooling water inlet pipeline; 5. an internal cooling water return pipeline; 6. a spray pump; 7. a manual valve; 8. spraying a water tank; 9. a water discharge pipeline; 10. an electric butterfly valve; 11. a temperature switch; 12. a cooling tower; 13. and (4) coiling the pipe.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1, an automatic control and regulation device for high-temperature spray water of a closed cooling tower 12 comprises
The cooling tower 12 is provided with a spray opening 1, a water inlet 2 and a water outlet 3, the water inlet 2 and the water outlet 3 are respectively connected with an inner-cooling water inlet pipeline 4 and an inner-cooling water return pipeline 5, the water inlet 2 and the water outlet 3 are connected through a coil 13, the coil 13 is positioned in the cooling tower 12, the inner-cooling water inlet pipeline 4 enables inner-cooling water to flow into the inner-cooling water return pipeline 5 through the coil 13, spray water is sprayed on the coil 13 through the spray opening 1, the coil 13 is made of a thin material, so that the inner-cooling water can fully exchange heat with the spray water through the coil 13, and the temperature of the inner-cooling water is reduced.
The spray pump 6 is connected with the spray port 1 on the cooling tower 12 through a pipeline, the spray pump 6 sprays cold water of the spray water tank 8 on a coil 13 in the cooling tower 12, and heat of the coil 13 is taken away through evaporation of the cold water, so that the temperature of cold water in the coil 13 is reduced.
And a manual valve 7 is arranged between the spray pump 6 and the spray port 1, and the manual valve 7 is used for manually closing and opening a pipeline when the electronic equipment fails.
The spraying water tank 8 is connected with the spraying pump 6 through a pipeline, the spraying water tank 8 is connected with the external industrial water tank through a pipeline, and the initial fresh water and the later stage water replenishing of the spraying water tank 8 are both through the industrial water tank water replenishing.
The water collecting plates are arranged at the bottom of the cooling tower 12 and connected with the spraying water tank 8 through pipelines, and the water collecting plates are used for collecting spraying water and then flow back into the spraying water tank 8 through openings of the water collecting plates.
One end of the drainage pipeline 9 is connected with one of the cooling towers 12, the drainage pipeline 9 is connected with the water collecting tray in one of the cooling towers 12, and as the temperature of spray water in each cooling tower 12 is the same, only one drainage pipeline 9 is needed to adjust the temperature of water in the spray water pool 8, overheated spray water is guided out to a sewage well through the drainage pipeline 9, then cold water is supplemented to the spray water pool 8 through the industrial water pool, and the overheated spray water is mixed with the cold water, so that the temperature of the spray water is adjusted.
The other end of the drainage pipeline 9 is connected with a sewage well, when the temperature switch 11 monitors that the temperature of the spray water is greater than a value preset in the temperature switch 11, the electric butterfly valve 10 is opened, the spray water is drained to the sewage well through the drainage pipeline 9, then the industrial water tank supplies cold water to the spray water tank 8, and the superheated spray water and the cold water are mixed to adjust the temperature of the spray water.
Install electric butterfly valve 10 and temperature switch 11 on the drainage pipe 9, electric butterfly valve 10 is used for control opening and closing of drainage pipe 9.
The temperature switch 11 monitors the temperature of the shower water by a temperature sensor installed in the cooling tower 12.
An electric box is installed at the rear end of the cooling tower 12 and connected with the drainage pipeline 9, and the electric box is made of stainless steel materials and has good waterproof performance, so that a waterproof design is not required to be independently made.
Install control circuit in the electronic box, electric butterfly valve 10 with temperature switch 11 through the electric wire with control circuit is connected, control circuit is used for controlling opening and closing of electric butterfly valve 10, and to the settlement of numerical value in the temperature switch 11.
The inner-cooling water inlet pipeline 4, the inner-cooling water return pipeline 5 and the coil pipe 13 form an inner-cooling water circulation system, the spray pump 6 and the spray water tank 8 form an outer-cooling circulation system, inner-cooling water enters the cooling tower 12 through the inner-cooling water inlet pipeline 4 after heat exchange with a heating element is completed, and when the inner-cooling water flows into the coil pipe 13, the coil pipe 13 is sprayed through spray water so as to perform secondary heat exchange, and the inner-cooling water flows out of the inner-cooling water return pipeline 5 again after the temperature of the inner-cooling water is reduced.
Under the unchangeable condition of cooling tower 12 rated refrigeration power, for reducing the temperature of the spray water, need reduce 8 temperature in the spray pond, work as temperature switch 11 is through installing when the spray water temperature that temperature-sensing ware in the cooling tower 12 was monitored reachs preset value, control circuit control electric butterfly valve 10 is opened, spray water in the cooling tower 12 is followed because natural gravity effect drainage pipe 9 discharges to the bilge well, spray pond 8 mends the lower industrial water of temperature through the industrial pond, and the lower industrial water of temperature mixes with remaining spray water, makes 8 temperature in the spray pond reduce to reach the mesh that reduces spray water temperature.
Compared with the prior art, the automatic control and regulation device for the high-temperature spray water of the closed cooling tower can ensure that the cooling tower is normally used in a high-temperature environment, and avoids the situations that the temperature of the spray water is high, the cooling capacity of the cooling tower is lower than the designed heat dissipation capacity and the like in the high-temperature environment.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A closed cooling tower high-temperature spray water automatic control and regulation device is characterized by comprising
The cooling tower is provided with a spraying port, a water inlet and a water outlet, and the water inlet and the water outlet are respectively connected with an internal cooling water inlet pipeline and an internal cooling water return pipeline;
the spraying pumps are connected with the spraying ports on the cooling tower through pipelines;
the spraying water tank is connected with the plurality of spraying pumps through pipelines;
the water collecting discs are arranged at the bottom of the cooling tower and are connected with the spraying water tank through pipelines;
and one end of the drainage pipeline is connected with one of the cooling tower, the other end of the drainage pipeline is connected with the sewage well, and the drainage pipeline is provided with an electric butterfly valve and a temperature switch.
2. The automatic control and regulation device for the high-temperature spray water of the closed cooling tower according to claim 1, wherein a manual valve is installed between the spray pump and the spray port.
3. The automatic control and regulation device for the high-temperature spray water of the closed cooling tower as claimed in claim 1, wherein an electric box is installed at the rear end of the cooling tower connected with the water discharge pipeline.
4. The automatic control and regulation device for the high-temperature spray water of the closed cooling tower according to claim 3, wherein the electric box is made of stainless steel.
5. The automatic control and regulation device for the high-temperature spray water of the closed cooling tower according to claim 3, wherein a control circuit is installed in the electric box.
6. The automatic control and regulation device for the high-temperature spray water of the closed cooling tower as claimed in claim 5, wherein the electric butterfly valve and the temperature switch are connected with the control circuit through electric wires.
7. The automatic control and regulation device for the high-temperature spray water of the closed cooling tower according to claim 1, wherein the water inlet and the water outlet are connected through a coil.
8. The automatic control and regulation device for the high-temperature spray water of the closed cooling tower according to claim 7, wherein the coil is positioned in the cooling tower.
9. The automatic control and regulation device for the high-temperature spray water of the closed cooling tower as claimed in claim 1, wherein the spray water tank is connected with an external industrial water tank through a pipeline.
10. The automatic control and regulation device for the high-temperature spray water of the closed cooling tower as claimed in claim 1, wherein the drainage pipeline is connected with the water collecting tray in one of the cooling towers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890639.4A CN110726329A (en) | 2019-09-20 | 2019-09-20 | Automatic control and regulation device for high-temperature spray water of closed cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890639.4A CN110726329A (en) | 2019-09-20 | 2019-09-20 | Automatic control and regulation device for high-temperature spray water of closed cooling tower |
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| Publication Number | Publication Date |
|---|---|
| CN110726329A true CN110726329A (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910890639.4A Pending CN110726329A (en) | 2019-09-20 | 2019-09-20 | Automatic control and regulation device for high-temperature spray water of closed cooling tower |
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| CN (1) | CN110726329A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928453A (en) * | 2020-07-31 | 2020-11-13 | 中国工商银行股份有限公司 | Method, device and system for controlling water storage tray of indirect evaporative cooling unit |
| CN111928452A (en) * | 2020-07-31 | 2020-11-13 | 中国工商银行股份有限公司 | Control method, device and control system for indirect evaporative cooling unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003320205A (en) * | 2002-05-07 | 2003-11-11 | Toyota Auto Body Co Ltd | Filter apparatus and cooling column equipped therewith |
| CN103591814A (en) * | 2013-11-29 | 2014-02-19 | 大唐太原第二热电厂 | Anti-freezing apparatus for air cooling tower system of indirect air cooling unit |
| CN203881203U (en) * | 2014-06-23 | 2014-10-15 | 山西易高煤层气有限公司 | Overflow system for parallel running closed cooling tower |
| CN204881263U (en) * | 2015-04-30 | 2015-12-16 | 南京恒标斯瑞冷冻机械制造有限公司 | Evaporation cooling heat exchanger with integrated shower water system |
| CN108469186A (en) * | 2018-04-19 | 2018-08-31 | 常州市第二人民医院 | Cool down bucket and the cooling system with it |
-
2019
- 2019-09-20 CN CN201910890639.4A patent/CN110726329A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003320205A (en) * | 2002-05-07 | 2003-11-11 | Toyota Auto Body Co Ltd | Filter apparatus and cooling column equipped therewith |
| CN103591814A (en) * | 2013-11-29 | 2014-02-19 | 大唐太原第二热电厂 | Anti-freezing apparatus for air cooling tower system of indirect air cooling unit |
| CN203881203U (en) * | 2014-06-23 | 2014-10-15 | 山西易高煤层气有限公司 | Overflow system for parallel running closed cooling tower |
| CN204881263U (en) * | 2015-04-30 | 2015-12-16 | 南京恒标斯瑞冷冻机械制造有限公司 | Evaporation cooling heat exchanger with integrated shower water system |
| CN108469186A (en) * | 2018-04-19 | 2018-08-31 | 常州市第二人民医院 | Cool down bucket and the cooling system with it |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928453A (en) * | 2020-07-31 | 2020-11-13 | 中国工商银行股份有限公司 | Method, device and system for controlling water storage tray of indirect evaporative cooling unit |
| CN111928452A (en) * | 2020-07-31 | 2020-11-13 | 中国工商银行股份有限公司 | Control method, device and control system for indirect evaporative cooling unit |
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Application publication date: 20200124 |