CN108106453B - Ventilation cooling tower controlling means - Google Patents
Ventilation cooling tower controlling means Download PDFInfo
- Publication number
- CN108106453B CN108106453B CN201810088080.9A CN201810088080A CN108106453B CN 108106453 B CN108106453 B CN 108106453B CN 201810088080 A CN201810088080 A CN 201810088080A CN 108106453 B CN108106453 B CN 108106453B
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- water
- pipe
- tower body
- control device
- cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 69
- 238000009423 ventilation Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 155
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 238000005507 spraying Methods 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 claims 5
- 239000000498 cooling water Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000001502 supplementing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/10—Arrangements for suppressing noise
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a control device of a ventilation cooling tower, which comprises a tower body and a control device, wherein the tower body comprises a water collecting tank, a ventilation device, a cooling device, a spraying device and a water collector which are arranged from bottom to top, a water inlet and a water outlet are arranged on the side wall of the tower body, the water inlet is positioned above the water outlet, and the ventilation device is connected with the control device. The beneficial effects of the invention are as follows: the tower body is used as a totally-enclosed cooling water system, the guaranteed performance of water quality is good, the water quality is not easy to pollute, the real-time monitoring and the automatic adjustment of the whole cooling system are realized through the control device and the liquid level sensor, the cooling performance is improved, and the electric energy consumption and the noise pollution are reduced.
Description
Technical Field
The invention relates to the technical field of ventilation cooling tower control, in particular to a ventilation cooling tower control device.
Background
Cooling towers are very popular water resource recycling devices, and the main function of the cooling towers is to exchange heat between cooling water containing waste heat and air in the towers, so that the water temperature is reduced to a required temperature for recycling. At present, the cooling tower has single working state, does not have the capability of automatic adjustment along with the change of various parameters, consumes a large amount of electric energy every year, and simultaneously brings serious noise pollution.
Disclosure of Invention
The invention provides a ventilation cooling tower control device, which solves the technical problems in the prior art.
The technical scheme for solving the technical problems is as follows:
the utility model provides a ventilation cooling tower controlling means, tower body and controlling means, the tower body includes catch basin, ventilation unit, cooling device, spray set and the receipts water ware that from the bottom up set up, be equipped with water inlet and delivery port on the lateral wall of tower body, the water inlet is located the delivery port top, ventilation unit connects controlling means,
a liquid level sensor is arranged in the water collecting tank and is connected with the control device and used for detecting liquid level information of the water collecting tank and sending the liquid level information to the control device;
the cooling device includes: the two pipe orifices of the cooling coil are respectively connected with the water inlet and the water outlet, so that water to be cooled entering from the water inlet flows out from the water outlet after being cooled by the cooling coil;
the spraying device comprises: the side wall of the tower body is also provided with a circulating water inlet and a circulating water outlet, one end of the circulating water pipe extends into the tower body through the circulating water outlet, a plurality of water distribution openings are uniformly formed above the cooling coil, the other end of the circulating water pipe extends into the water collecting tank through the circulating water inlet, water in the water collecting tank is sprayed on the surface of the cooling coil through the plurality of water distribution openings through the pump group and the circulating water pipe, and the pump group is connected with the control device;
the water collector is used for blocking water drops in the wet air in the tower body from being discharged out of the tower body;
the control device is used for controlling the opening and closing of the pump group according to the liquid level information.
The beneficial effects of the invention are as follows: the tower body is used as a totally-enclosed cooling water system, the guaranteed performance of water quality is good, the water quality is not easy to pollute, the real-time monitoring and the automatic adjustment of the whole cooling system are realized through the control device and the liquid level sensor, the cooling performance is improved, and the electric energy consumption and the noise pollution are reduced.
On the basis of the technical scheme, the invention can be improved as follows.
Preferably, the portion of the circulating water pipe located in the tower body includes: the circulating water treatment device comprises a first section pipe and a second section pipe which are mutually communicated, wherein one end of the first section pipe is connected with the circulating water outlet, the other end of the first section pipe is connected with the opening end of the second section pipe, the first section pipe and the second section pipe take the opening end as vertexes to form a preset angle, the closed end of the second section pipe is positioned below the first section pipe, and the second section pipe is uniformly provided with a plurality of water distribution openings.
Preferably, the cooling coil comprises: the plurality of vertexes close to the side wall where the water inlet is located and the plurality of vertexes deviating from the side wall are sequentially connected with the line segments formed by the plurality of vertexes deviating from the side wall and are parallel to the second section of pipe.
Preferably, the method further comprises: the water supplementing pipe is further provided with a water supplementing port on the side wall of the tower body, the water supplementing pipe stretches into the water collecting tank through the water supplementing port, the water supplementing pipe is provided with an electromagnetic valve, the electromagnetic valve is connected with the control device, and the control device is used for controlling the opening and closing of the electromagnetic valve according to the liquid level information.
Preferably, a temperature sensor is further arranged in the tower body, and the temperature sensor is connected with the control device and is used for detecting temperature information in the tower body and sending the temperature information to the control device.
Preferably, the ventilation device includes: the fan and the first frequency converter are both connected with the control device, and the control device is used for controlling the opening and closing of the fan according to the temperature information and controlling the first frequency converter to adjust the rotating speed of the fan.
Preferably, the pump set comprises: the water pump, motor and the second converter that connect gradually, the motor with the second converter is all connected controlling means, controlling means is used for according to temperature information with the liquid level information control the switching of motor, control the second converter is adjusted the rotational speed of motor.
Drawings
FIG. 1 is a schematic diagram of a ventilation cooling tower according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a control device for a ventilation cooling tower according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control device for a ventilation cooling tower according to another embodiment of the present invention.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 and 2, a control device of a ventilation cooling tower, a tower body 1 and a control device 15, wherein the tower body 1 comprises a water collecting tank 2, a ventilation device 3, a cooling device 4, a spraying device 5 and a water receiver 6 which are arranged from bottom to top, a water inlet 7 and a water outlet 8 are arranged on the side wall of the tower body 1, the water inlet 7 is positioned above the water outlet 8, the ventilation device 3 is connected with the control device 15,
the water collecting tank 2 is internally provided with a liquid level sensor 21, and the liquid level sensor 21 is connected with the control device 15 and is used for detecting the liquid level information of the water collecting tank 2 and sending the liquid level information to the control device 15;
the cooling device 4 includes: the cooling coil 41, two pipe orifices of the cooling coil 41 are respectively connected with the water inlet 7 and the water outlet 8, so that the water to be cooled entering from the water inlet 7 flows out from the water outlet 8 after being cooled by the cooling coil 41;
the shower device 5 includes: the side wall of the tower body is also provided with a circulating water inlet 9 and a circulating water outlet 10, one end of the circulating water pipe 51 extends into the tower body through the circulating water outlet 10, a plurality of water distribution openings are uniformly arranged above the cooling coil 41, the other end of the circulating water pipe 51 extends into the water collecting tank through the circulating water inlet 9, water in the water collecting tank 2 is sprayed on the surface of the cooling coil 41 through the pump group 52 and the circulating water pipe 51, and the pump group 52 is connected with the control device 15;
the water receiver 6 is used for blocking water drops in the humid air in the tower body 1 from being discharged out of the tower body 1;
the control device 15 is used for controlling the opening and closing of the pump set 52 according to the liquid level information.
As shown in fig. 1, the ventilation cooling tower is an evaporative cooling tower. When water to be cooled enters the cooling coil 41 through the water inlet 7, the spraying device 5 starts to operate, the pump set 52 extracts cold water from the water collecting tank 2, the cold water is sprayed out through the circulating water pipe 51 and a plurality of water distribution ports arranged on the circulating water pipe, the cold water is uniformly sprayed on the surface of the cooling coil 41 below, and outdoor air is sent into the tower body under the action of the ventilation device 3, so that part of water on the surface of the cooling coil 41 is evaporated, and heat is taken away. When the air temperature is low, the air can exchange heat with the cooling coil 41 to take away part of heat of the cooling coil 41, so that water to be cooled in the cooling coil 41 can be cooled. It can thus be seen that its heat transfer is actually two processes, first a direct heat and humidity exchange of air with the circulating water, and then an indirect heat exchange with the cooling water through the coil during the evaporation of this circulating water. The ventilation cooling tower has the main advantages that the ventilation cooling tower is used as a totally-enclosed cooling water system, the guaranteed water quality is good, the ventilation cooling tower is not easy to pollute, and impurities cannot enter the cooling water system. Another advantage is that when the outdoor air temperature is low, it can be changed into an evaporative cooling type refrigerating device, so that the cooling water can be directly used as the chilled water of the air conditioning system, thereby reducing the running time of the water chilling unit.
As shown in fig. 2, the control device 15 is connected with the ventilation device 3, the pump set 52 and the liquid level sensor 21, when cooling starts, the control device 15 receives the liquid level information of the water collecting tank 2 sent by the liquid level sensor 21 in real time, analyzes the liquid level information, judges whether the liquid level value in the liquid level information reaches a first threshold value, if so, controls to start the pump set 52, and the pump set 52 extracts cold water from the water collecting tank 2 and sprays the cold water through the circulating water pipe 51 and a plurality of water distribution ports arranged on the circulating water pipe, and uniformly sprays the cold water on the surface of the cooling coil 41 below. At the same time, the control device 15 controls the ventilation device 3 to be started, and the ventilation device 3 sends the outdoor air into the tower body to evaporate part of the water on the surface of the cooling coil 41 so as to take away the heat.
As shown in fig. 1, the portion of the circulating water pipe 51 located in the tower body includes: the first section of pipe 51a and the second section of pipe 51b that communicate each other, the circulation delivery port is connected to the one end of first section of pipe 51a, and the open end of second section of pipe 51b is connected to the other end, and first section of pipe 51a and second section of pipe 51b use the open end to form preset angle as the summit, and the blind end of second section of pipe 51b is located the below of first section of pipe 51a, evenly is provided with a plurality of water distribution openings on the second section of pipe 51 b. A preset angle is formed between the first-stage pipe 51a and the second-stage pipe 51b, if the first-stage pipe 51a is parallel to the liquid level of the water collecting tank, circulating water is sprayed out from a plurality of water distribution ports uniformly arranged on the second-stage pipe 51b and sprayed on the cooling coil 41 along parabolas, the contact area between the circulating water and air in the tower body is enlarged, and direct heat and humidity exchange of the air and the circulating water is facilitated.
Preferably, the cooling coil 41 comprises: the plurality of vertexes (D, E) close to the side wall where the water inlet is located and the plurality of vertexes (A, B, C) deviating from the side wall are sequentially connected, and a line segment AC formed by the plurality of vertexes deviating from the side wall is parallel to the second-section tube 51B. As shown in fig. 1, the air sent into the tower body by the ventilation device 3 flows along the arrow direction, the second section of pipe 51b is equivalent to a baffle, and the baffle opposite to the ventilation device 3 and the second section of pipe 51b change the flow direction of the air flow, so that the air is fully contacted with the cooling coil 41, and the heat exchange between the air and the water to be cooled in the cooling coil 41 is facilitated. The line segment AC is parallel to the second segment tube 51b, which increases the contact area between the circulating water and the cooling coil 41, and at the same time, facilitates the guiding of the air flow to the inside of the cooling coil 41, so that the air is in sufficient contact with the cooling coil 41.
As shown in fig. 1, the ventilation cooling tower control device further includes: the water replenishing pipe 11 is also provided with a water replenishing port 12 on the side wall of the tower body, the water replenishing pipe 11 extends into the water collecting tank 2 through the water replenishing port 12, the water replenishing pipe 11 is provided with an electromagnetic valve 13, the electromagnetic valve 13 is connected with a control device 15, and the control device 15 is used for controlling the opening and closing of the electromagnetic valve 13 according to liquid level information. Although the water collector 6 blocks part of water drops in the humid air in the tower body from being discharged out of the tower body, a large amount of pool water still exists along with the air to be discharged out of the tower body, so that water in the water collecting pool gradually decreases, the liquid level information of the water collecting pool is obtained through the liquid level sensor, if the liquid level value in the liquid level information is lower than a threshold value II, the control device 15 controls the electromagnetic valve 13 to be opened to supplement water for the water collecting pool, and if the liquid level value reaches a threshold value III, the electromagnetic valve 13 is controlled to be closed to stop water supplement.
Preferably, a temperature sensor 14 is further arranged in the tower body 1, and the temperature sensor 14 is connected with a control device 15 and is used for detecting temperature information in the tower body 1 and sending the temperature information to the control device 15.
As shown in fig. 3, the ventilation device 3 includes: the fan 31 and the first frequency converter 32 are connected with the control device 15, the control device 15 is used for controlling the opening and closing of the fan 31 according to temperature information, and the first frequency converter 32 is controlled to adjust the rotating speed of the fan 31.
As shown in fig. 3, the pump unit 52 includes: the water pump 521, the motor 522 and the second frequency converter 523 that connect gradually, and the motor 522 and the second frequency converter 523 all connect controlling means 15, and controlling means 15 is used for controlling the switching of motor 522 according to temperature information and liquid level information, controls the rotational speed of second frequency converter 523 regulation motor 522.
Specifically, the control device 15 is a controller.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides a ventilation cooling tower controlling means, characterized by, tower body (1) and controlling means, tower body (1) is including catch basin (2), ventilation unit (3), cooling device (4), spray set (5) and the receipts water ware (6) that set up from the bottom upwards, be equipped with water inlet (7) and delivery port (8) on the lateral wall of tower body (1), water inlet (7) are located delivery port (8) top, ventilation unit (3) connect controlling means,
a liquid level sensor (21) is arranged in the water collecting tank (2), and the liquid level sensor (21) is connected with the control device and is used for detecting liquid level information of the water collecting tank (2) and sending the liquid level information to the control device;
the cooling device (4) comprises: the two pipe orifices of the cooling coil (41) are respectively connected with the water inlet (7) and the water outlet (8) so that water to be cooled entering from the water inlet (7) flows out from the water outlet (8) after being cooled by the cooling coil (41);
the spraying device (5) comprises: the water cooling device comprises a circulating water pipe (51) and a pump set (52), wherein a circulating water inlet (9) and a circulating water outlet (10) are further formed in the side wall of a tower body (1), one end of the circulating water pipe (51) stretches into the tower body (1) through the circulating water outlet (10), a plurality of water distribution openings are uniformly formed in the upper portion of a cooling coil (41), the other end of the circulating water pipe (51) stretches into a water collecting tank (2) through the circulating water inlet (9), water in the water collecting tank (2) is sprayed on the surface of the cooling coil (41) through the pump set (52) and the circulating water pipe (51), and the pump set (52) is connected with the control device;
the water collector (6) is used for blocking water drops in the wet air in the tower body (1) from being discharged out of the tower body (1);
the control device is used for controlling the opening and closing of the pump group (52) according to the liquid level information;
the part of the circulating water pipe (51) positioned in the tower body (1) comprises: a first section pipe (51 a) and a second section pipe (51 b) which are mutually communicated, wherein one end of the first section pipe (51 a) is connected with the circulating water outlet (10), the other end of the first section pipe is connected with the opening end of the second section pipe (51 b), the first section pipe (51 a) and the second section pipe (51 b) form a preset angle by taking the opening end as an apex, the closed end of the second section pipe (51 b) is positioned below the first section pipe (51 a), and the second section pipe (51 b) is uniformly provided with a plurality of water distribution openings;
the cooling coil (41) comprises: a plurality of vertexes (D, E) close to the side wall where the water inlet (7) is positioned and a plurality of vertexes (A, B, C) deviating from the side wall are sequentially connected with a line segment AC formed by the vertexes (A, B, C) deviating from the side wall and parallel to the second section pipe (51B);
the inner wall of the tower body (1) and the opposite surface of the ventilation device (3) are provided with a baffle which is obliquely arranged and used for changing the flow direction of the air flow.
2. A ventilation cooling tower control according to claim 1, further comprising: moisturizing pipe (11), still be equipped with moisturizing mouth (12) on the lateral wall of tower body (1), moisturizing pipe (11) warp moisturizing mouth (12) stretch into in catch basin (2), be equipped with solenoid valve (13) on moisturizing pipe (11), solenoid valve (13) are connected controlling means, controlling means is used for according to the liquid level information control the switching of solenoid valve (13).
3. A ventilation cooling tower control device according to claim 2, characterized in that a temperature sensor (14) is further arranged in the tower body (1), and the temperature sensor (14) is connected with the control device and is used for detecting temperature information in the tower body (1) and sending the temperature information to the control device.
4. A ventilation cooling tower control according to claim 3, characterized in that the ventilation device (3) comprises: the fan and the first frequency converter are both connected with the control device, and the control device is used for controlling the opening and closing of the fan according to the temperature information and controlling the first frequency converter to adjust the rotating speed of the fan.
5. A ventilation cooling tower control according to claim 4, wherein the pump stack (52) comprises: the water pump, motor and the second converter that connect gradually, the motor with the second converter is all connected controlling means, controlling means is used for according to temperature information with the liquid level information control the switching of motor, control the second converter is adjusted the rotational speed of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088080.9A CN108106453B (en) | 2018-01-30 | 2018-01-30 | Ventilation cooling tower controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088080.9A CN108106453B (en) | 2018-01-30 | 2018-01-30 | Ventilation cooling tower controlling means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108106453A CN108106453A (en) | 2018-06-01 |
| CN108106453B true CN108106453B (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810088080.9A Active CN108106453B (en) | 2018-01-30 | 2018-01-30 | Ventilation cooling tower controlling means |
Country Status (1)
| Country | Link |
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| CN (1) | CN108106453B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701549A (en) * | 2021-09-06 | 2021-11-26 | 浙江尔格科技股份有限公司 | Energy-saving control device and control method for closed-cycle oil-water heat exchange system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5131238A (en) * | 1985-04-03 | 1992-07-21 | Gershon Meckler | Air conditioning apparatus |
| CN2144287Y (en) * | 1992-11-24 | 1993-10-20 | 山东建筑工程学院 | Closed cooling tower |
| CN201764761U (en) * | 2010-09-10 | 2011-03-16 | 姜鉴明 | Negative pressure vaporizing condenser |
| CN205279533U (en) * | 2015-11-30 | 2016-06-01 | 西南交通大学 | Big enthalpy difference evaporation cooling water -cooling cooling device |
| CN107424747A (en) * | 2017-07-28 | 2017-12-01 | 国网上海市电力公司 | A kind of transformer forces hydrologic cycle cooling system and its control method |
| CN207797791U (en) * | 2018-01-30 | 2018-08-31 | 荆州市宏达生物科技股份有限公司 | A kind of aerating and cooling tower control device |
-
2018
- 2018-01-30 CN CN201810088080.9A patent/CN108106453B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5131238A (en) * | 1985-04-03 | 1992-07-21 | Gershon Meckler | Air conditioning apparatus |
| CN2144287Y (en) * | 1992-11-24 | 1993-10-20 | 山东建筑工程学院 | Closed cooling tower |
| CN201764761U (en) * | 2010-09-10 | 2011-03-16 | 姜鉴明 | Negative pressure vaporizing condenser |
| CN205279533U (en) * | 2015-11-30 | 2016-06-01 | 西南交通大学 | Big enthalpy difference evaporation cooling water -cooling cooling device |
| CN107424747A (en) * | 2017-07-28 | 2017-12-01 | 国网上海市电力公司 | A kind of transformer forces hydrologic cycle cooling system and its control method |
| CN207797791U (en) * | 2018-01-30 | 2018-08-31 | 荆州市宏达生物科技股份有限公司 | A kind of aerating and cooling tower control device |
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| Publication number | Publication date |
|---|---|
| CN108106453A (en) | 2018-06-01 |
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