CN210426166U - Temperature-control type efficient energy-saving cooling tower - Google Patents
Temperature-control type efficient energy-saving cooling tower Download PDFInfo
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- CN210426166U CN210426166U CN201921533725.1U CN201921533725U CN210426166U CN 210426166 U CN210426166 U CN 210426166U CN 201921533725 U CN201921533725 U CN 201921533725U CN 210426166 U CN210426166 U CN 210426166U
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Abstract
The utility model belongs to the technical field of the cooling tower structure, especially, relate to energy-efficient cooling tower of control by temperature change type, this internal fan, water-locator, heat exchanger and the catch basin of having set gradually under to of cooling tower are provided with temperature sensor in the catch basin, the delivery port of catch basin passes through the pipeline and is connected with the water inlet of refrigerating plant, water-locator respectively, all be provided with the solenoid valve on the pipeline between catch basin delivery port and refrigerating plant, the water-locator water inlet, temperature sensor and solenoid valve all with the controller electric connection. Cooling tower, under control system's control, can be according to the temperature of catch basin internal water, the nimble cooling mode of adjusting, the water economy resource, reduction in production cost can improve the cooling effect of cooling tower moreover greatly.
Description
Technical Field
The utility model belongs to the technical field of the cooling tower structure, especially, relate to a temperature control type energy-efficient cooling tower.
Background
The cooling tower is a device which uses water as circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature; the cold is an evaporation heat dissipation device which utilizes the principle that the steam is generated by heat exchange after water and air flow contact, and the steam volatilizes and takes away heat to achieve evaporation heat dissipation, convection heat transfer, radiation heat transfer and the like, so as to dissipate the waste heat generated in industry or refrigeration air conditioners to reduce the water temperature, thereby ensuring the normal operation of the system. The cooling principle of a general cooling tower is as follows: when the spray water flowing from the upper part flows through the heat exchanger, the medium in the heat exchanger pipe is cooled by utilizing the evaporation latent heat of the water, and meanwhile, the formed water vapor is taken away through the air outlet above the cooling tower by the external air entering from the lower side of the cooling tower by the fan, thereby creating conditions for the continuous evaporation of the water film.
However, the cooling tower in the prior art can not flexibly adjust the cooling mode according to the temperature in the tower, thereby causing the waste of water resources and increasing the production cost. On the other hand, the cooling effect of the cooling tower in the prior art is poor, and the production requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a temperature control type energy-efficient cooling tower, under control system's control, can be according to the temperature of catch basin internal water, the cooling mode is adjusted in a flexible way, the water economy resource, reduction in production cost can improve the cooling effect of cooling tower moreover greatly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a temperature control type efficient energy-saving cooling tower comprises a cooling tower body and a control system, wherein a fan, a water distributor, a heat exchanger and a water collecting tank are sequentially arranged in the cooling tower body from top to bottom, an air inlet is formed in the lower portion of the cooling tower body, an air outlet is formed in the top of the cooling tower body, a temperature sensor is arranged in the water collecting tank, a water outlet of the water collecting tank is respectively connected with a refrigerating device and a water inlet of the water distributor through pipelines, electromagnetic valves are arranged on the pipelines between the water outlet of the water collecting tank and the water inlets of the refrigerating device and the water distributor, and a water outlet of the refrigerating device is connected with the water inlet of the water distributor through a; the control system comprises a controller and a control panel, the controller is electrically connected with the control panel, and the temperature sensor and the electromagnetic valve are electrically connected with the controller. Temperature sensor can the real-time supervision collect water temperature in the pond, and temperature sensor sends the temperature of monitoring for the controller, and the controller can send received water temperature signal to control panel and show, and the controller sends the instruction according to received water temperature signal:
(1) when the water temperature is lower than 30 ℃, the controller controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the refrigerating device to be closed, controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the water distributor to be opened, at the moment, water flowing out of the water collecting tank directly enters the water inlet of the water distributor under the action of the water pump, is sprayed into the cooling tower by the water distributor to exchange heat, and then enters the water collecting tank again to realize circulation.
(2) When the water temperature is higher than 30 ℃, the controller controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the refrigerating device to be opened, controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the water distributor to be closed, at the moment, the water flowing out of the water collecting tank enters the refrigerating device under the action of the water pump to be cooled, then the cooled water enters the water inlet of the water distributor through the pipeline, and is sprayed into the cooling tower by the water distributor to exchange heat.
Preferably, the air outlet at the top of the cooling tower body is connected with the air inlet of the condenser through a pipeline, the water outlet at the bottom of the condenser is connected with the water inlet of the water distributor through a pipeline, and collected condensed water enters the water distributor again to be reused after water vapor brought out by air is condensed in the condenser, so that waste of water resources is avoided.
Preferably, the pipeline at the water inlet of the water distributor is provided with a water filtering device which can filter water entering the water distributor to remove large-particle impurities and scale in the water and prevent the pipeline and the spray head from being blocked.
Preferably, the condenser is internally provided with condensation baffles at left and right intervals at different heights, and the condensation baffles are arranged at downward intervals, so that the condensation effect can be improved.
Preferably, the heat exchanger includes the casing, be provided with medium import and medium export on the casing, it holds the chamber to separate into a plurality of confined mediums through the vertical partition of baffle in the casing, each medium holds the chamber and communicates through the connecting pipe of horizontal setting, the left and right both ends of connecting pipe respectively with medium import, the medium exit linkage on the casing, adjacent medium holds and is provided with the cooling chamber that supplies cooling water and air to pass through between the chamber, the equal opening setting in upper and lower in cooling chamber holds the cooling chamber, holds the cooling chamber that sets up to supply cooling water and air to pass through at the medium and passes through, can improve the cooling heat transfer ability of heat exchanger greatly to improve the holistic heat exchange efficiency of cooling tower.
Baffle plates are arranged in the cooling cavity at different heights at intervals, the vertical section of each baffle plate is S-shaped, the heat exchange area is increased, the retention time of cooling water and air in the cooling cavity is prolonged, and the heat exchange capacity is greatly enhanced. The baffle plate can change the flowing direction of the cooling water and the air flowing through the baffle plate, and a zigzag flowing route is formed in the cooling cavity, so that the staying time of the cooling water and the air in the cooling cavity is prolonged, and the heat exchange capacity is greatly enhanced.
Preferably, the inlet of the medium accommodating cavity is provided with a baffle plate, the baffle plate is arranged in a downward inclined manner, the baffle plate can change the flowing direction of the medium in the medium accommodating cavity, and a zigzag flowing route is formed in the medium accommodating cavity, so that the staying time of the medium in the medium accommodating cavity is prolonged, and the heat exchange capacity is greatly enhanced.
Advantageous effects
The utility model discloses a temperature control type energy-efficient cooling tower, under control system's control, can be according to the temperature of catch basin internal water, the cooling mode is adjusted in a flexible way, the water economy resource, reduction in production cost can improve the cooling effect of cooling tower moreover greatly. The air outlet at the top of the cooling tower body is connected with the condenser through a pipeline, after water vapor brought out by air is condensed in the condenser, collected condensed water enters the water distributor again to be reused, and waste of water resources is avoided. The heat exchanger can greatly improve the cooling and heat exchange capacity of the heat exchanger by arranging the cooling cavity for cooling water and air to pass between the medium accommodating cavities, so that the overall heat exchange efficiency of the cooling tower is improved.
Drawings
FIG. 1 is a schematic structural diagram of a temperature-controlled efficient energy-saving cooling tower according to embodiment 1 of the present patent;
FIG. 2 is a schematic structural diagram of a temperature-controlled efficient energy-saving cooling tower according to embodiment 2 of the present patent;
FIG. 3 is a schematic structural diagram of a heat exchanger described in embodiment 2 of the present patent;
in the figure, 1: a fan; 2: a water distributor; 3: a heat exchanger; 4: a water collecting tank; 5: a temperature sensor; 6: a water pump; 7: refrigeration device, 8: water inlet of water distributor, 9: electromagnetic valve, 10: air outlet, 11: condenser, 12: water filtration device, 13: condensation baffle, 14: a housing, 15: medium accommodating chamber, 16: cooling chamber, 17: connecting pipe, 18: medium inlet, 19: medium outlet, 20: and (7) a baffle plate.
Detailed Description
Hereinafter, the present invention will be described in detail. Before the description is made, it should be understood that the terms used in the present specification and the appended claims should not be construed as limited to general and dictionary meanings, but interpreted based on the meanings and concepts corresponding to technical aspects of the present invention on the basis of the principle that the utility model appropriately defines the terms for the best explanation. Accordingly, the description proposed herein is just a preferable example for the purpose of illustrations only, not intended to limit the scope of the invention, so it should be understood that other equivalents and modifications could be made thereto without departing from the spirit and scope of the invention.
The following examples are given by way of illustration of embodiments of the invention and are not intended to limit the invention, and those skilled in the art will appreciate that modifications within the scope of the invention do not depart from the spirit and scope of the invention.
Example 1
As shown in fig. 1, a temperature-controlled efficient energy-saving cooling tower comprises a cooling tower body and a control system, wherein a fan 1, a water distributor 2, a heat exchanger 3 and a water collection tank 4 are sequentially arranged in the cooling tower body from top to bottom, an air inlet is formed in the lower portion of the cooling tower body, an air outlet is formed in the top of the cooling tower body, a temperature sensor 5 is arranged in the water collection tank, a water outlet of the water collection tank is respectively connected with a refrigerating device 7 and a water inlet 8 of the water distributor through pipelines, electromagnetic valves 9 are respectively arranged on the pipelines between the water outlet of the water collection tank and the water inlets of the refrigerating device and the water distributor, and a water outlet of the refrigerating device is connected with the water inlet of the water; the control system comprises a controller and a control panel, the controller is electrically connected with the control panel, and the temperature sensor and the electromagnetic valve are electrically connected with the controller. Temperature sensor can the real-time supervision collect water temperature in the pond, and temperature sensor sends the temperature of monitoring for the controller, and the controller sends the instruction according to the water temperature signal that receives:
(1) when the water temperature is lower than 30 ℃, the controller controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the refrigerating device to be closed, controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the water distributor to be opened, at the moment, water flowing out of the water collecting tank directly enters the water inlet of the water distributor under the action of the water pump, is sprayed into the cooling tower by the water distributor to exchange heat, and then enters the water collecting tank again to realize circulation.
(2) When the water temperature is higher than 30 ℃, the controller controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the refrigerating device to be opened, controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the water distributor to be closed, at the moment, the water flowing out of the water collecting tank enters the refrigerating device under the action of the water pump to be cooled, then the cooled water enters the water inlet of the water distributor through the pipeline, and is sprayed into the cooling tower by the water distributor to exchange heat.
The PLC controller is S7-400 in model, is suitable for the field of medium-high performance automatic control, and has strong performance and simple operation.
Example 2
As shown in fig. 2, a temperature-controlled efficient energy-saving cooling tower comprises a cooling tower body and a control system, wherein a fan 1, a water distributor 2, a heat exchanger 3 and a water collection tank 4 are sequentially arranged in the cooling tower body from top to bottom, an air inlet is formed in the lower portion of the cooling tower body, an air outlet is formed in the top of the cooling tower body, a temperature sensor 5 is arranged in the water collection tank, a water outlet of the water collection tank is respectively connected with a refrigerating device 7 and a water inlet 8 of the water distributor through pipelines, electromagnetic valves 9 are respectively arranged on the pipelines between the water outlet of the water collection tank and the water inlets of the refrigerating device and the water distributor, and a water outlet of the refrigerating device is connected with the water inlet of the water; the control system comprises a controller and a control panel, the controller is electrically connected with the control panel, and the temperature sensor and the electromagnetic valve are electrically connected with the controller. Temperature sensor can the real-time supervision collect water temperature in the pond, and temperature sensor sends the temperature of monitoring for the controller, and the controller sends the instruction according to the water temperature signal that receives:
(1) when the water temperature is lower than 30 ℃, the controller controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the refrigerating device to be closed, controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the water distributor to be opened, at the moment, water flowing out of the water collecting tank directly enters the water inlet of the water distributor under the action of the water pump, is sprayed into the cooling tower by the water distributor to exchange heat, and then enters the water collecting tank again to realize circulation.
(2) When the water temperature is higher than 30 ℃, the controller controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the refrigerating device to be opened, controls the electromagnetic valve on the pipeline between the water outlet of the water collecting tank and the water inlet of the water distributor to be closed, at the moment, the water flowing out of the water collecting tank enters the refrigerating device under the action of the water pump to be cooled, then the cooled water enters the water inlet of the water distributor through the pipeline, and is sprayed into the cooling tower by the water distributor to exchange heat.
The air outlet 10 at the top of the cooling tower body is connected with the air inlet of the condenser 11 through a pipeline, the water outlet at the bottom of the condenser is connected with the water inlet 8 of the water distributor through a pipeline, and collected condensed water enters the water distributor again to be reused after water vapor brought out by air is condensed in the condenser, so that waste of water resources is avoided.
The water filter device 12 is arranged on the pipeline at the water inlet of the water distributor, and can filter water entering the water distributor, remove large-particle impurities and scale in the water and prevent the pipeline and the spray head from being blocked.
The condenser is internally provided with condensation baffles 13 at left and right intervals at different heights, and the condensation baffles are arranged at downward intervals, so that the condensation effect can be improved.
As shown in fig. 3, the heat exchanger includes a housing 14, a medium inlet 18 and a medium outlet 19 are provided on the housing, a plurality of closed medium accommodating cavities 15 are vertically separated by a partition plate in the housing, each medium accommodating cavity is communicated through a connecting pipe 17 which is transversely arranged, the left and right ends of the connecting pipe are respectively connected with the medium inlet and the medium outlet on the housing, a cooling cavity 16 for cooling water and air to pass through is provided between the adjacent medium accommodating cavities, the upper and lower openings of the cooling cavity are arranged, and the cooling cavity for cooling water and air to pass through is provided between the medium accommodating cavities, so that the cooling and heat exchanging capacity of the heat exchanger can be greatly improved, and the overall heat exchange efficiency of the cooling tower is improved.
The vertical section of the partition plate is S-shaped, so that the heat exchange area is increased, the retention time of cooling water and air in the cooling cavity is prolonged, and the heat exchange capacity is greatly enhanced.
The baffle plate 20 is arranged at an inlet in the medium accommodating cavity, the baffle plate is arranged in a downward inclined mode, the baffle plate can enable the medium in the medium accommodating cavity to change the flowing direction, and a zigzag flowing route is formed in the medium accommodating cavity, so that the staying time of the medium in the medium accommodating cavity is prolonged, and the heat exchange capacity is greatly enhanced.
The PLC controller is S7-400 in model, is suitable for the field of medium-high performance automatic control, and has strong performance and simple operation.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (6)
1. The utility model provides a temperature control type energy-efficient cooling tower, includes cooling tower body and control system, this internal fan, water-locator, heat exchanger and the water catch bowl of having set gradually under to by last of cooling tower, the lower part of cooling tower body is provided with the air intake, the top of cooling tower body is provided with air outlet, its characterized in that: a temperature sensor is arranged in the water collecting tank, a water outlet of the water collecting tank is respectively connected with water inlets of the refrigerating device and the water distributor through pipelines, electromagnetic valves are arranged on the pipelines between the water outlet of the water collecting tank and the water inlets of the refrigerating device and the water distributor, and a water outlet of the refrigerating device is connected with the water inlets of the water distributor through pipelines; the control system comprises a controller and a control panel, the controller is electrically connected with the control panel, and the temperature sensor and the electromagnetic valve are electrically connected with the controller.
2. The temperature-controlled efficient energy-saving cooling tower according to claim 1, wherein an air outlet at the top of the cooling tower body is connected with an air inlet of a condenser through a pipeline, and a water outlet at the bottom of the condenser is connected with a water inlet of a water distributor through a pipeline.
3. The temperature-controlled efficient energy-saving cooling tower according to claim 1, wherein a water filtering device is arranged on the pipeline at the water inlet of the water distributor.
4. The temperature-controlled efficient energy-saving cooling tower according to claim 2, wherein the condenser is provided with condensation baffles at left and right intervals at different heights, and the condensation baffles are arranged at downward intervals.
5. The temperature-controlled efficient energy-saving cooling tower according to any one of claims 1 to 4, wherein the heat exchanger comprises a shell, the shell is provided with a medium inlet and a medium outlet, the shell is vertically divided into a plurality of closed medium accommodating cavities by partition plates, each medium accommodating cavity is communicated through a connecting pipe which is transversely arranged, the left end and the right end of each connecting pipe are respectively connected with the medium inlet and the medium outlet on the shell, cooling cavities for cooling water and air to pass through are arranged between the adjacent medium accommodating cavities, the upper part and the lower part of each cooling cavity are provided with openings, baffle plates are arranged in the cooling cavities at different heights at intervals, and the vertical section of each partition plate is S-shaped.
6. The temperature-controlled efficient energy-saving cooling tower as claimed in claim 5, wherein a baffle plate is arranged at an inlet in the medium accommodating chamber, and the baffle plate is arranged in a downward inclination manner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921533725.1U CN210426166U (en) | 2019-09-16 | 2019-09-16 | Temperature-control type efficient energy-saving cooling tower |
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| CN201921533725.1U CN210426166U (en) | 2019-09-16 | 2019-09-16 | Temperature-control type efficient energy-saving cooling tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983860A (en) * | 2021-11-29 | 2022-01-28 | 侯霖智能工程有限公司 | Intelligent control system and control method for cooling tower |
| CN114166040A (en) * | 2021-12-14 | 2022-03-11 | 重庆大学 | Cooling energy-saving device for cooling tower and wet cooling tower |
-
2019
- 2019-09-16 CN CN201921533725.1U patent/CN210426166U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983860A (en) * | 2021-11-29 | 2022-01-28 | 侯霖智能工程有限公司 | Intelligent control system and control method for cooling tower |
| CN113983860B (en) * | 2021-11-29 | 2022-12-13 | 侯霖智能工程有限公司 | Intelligent control system and control method for cooling tower |
| CN114166040A (en) * | 2021-12-14 | 2022-03-11 | 重庆大学 | Cooling energy-saving device for cooling tower and wet cooling tower |
| CN114166040B (en) * | 2021-12-14 | 2023-09-22 | 重庆大学 | Cooling energy-saving device for cooling tower and wet cooling tower |
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