CN215217335U - Energy-saving automatic control system of variable parameter cooling tower set - Google Patents
Energy-saving automatic control system of variable parameter cooling tower set Download PDFInfo
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- CN215217335U CN215217335U CN202023342743.7U CN202023342743U CN215217335U CN 215217335 U CN215217335 U CN 215217335U CN 202023342743 U CN202023342743 U CN 202023342743U CN 215217335 U CN215217335 U CN 215217335U
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Abstract
The utility model provides an energy-saving automatic control system of a variable parameter cooling tower set, which comprises a master controller and a plurality of cooling towers; a cooling water outlet water channel of the cooling tower is provided with a temperature sensor and an electric two-way valve, the temperature sensor is used for detecting the outlet water temperature of the cooling water, and the electric two-way valve is used for switching on and off the cooling water outlet water channel; the cooling tower, the temperature sensor, the electric two-way valve and the meteorological station are electrically connected with the master controller. The utility model discloses a set up electronic two-way valve, control drops into the cooling tower of cooling process. And the monitoring of the working utilization rate of the cooling tower is realized according to the temperature detection and the electrical detection of the meteorological station.
Description
Technical Field
The utility model relates to a central air conditioning energy-saving technical field especially relates to a become energy-conserving automatic control system of parameter cooling tower group.
Background
At present, according to the regulations in the standard design working condition of the cooling tower manufacturing standard GB7190.1-1997 5.1.1 of the central air conditioner, when the wet bulb temperature is 28 ℃, the water inlet temperature is 37 ℃, the water outlet temperature is 32 ℃, and the cooling temperature difference is 5 ℃, so that when the wet bulb temperature is 28 ℃, the water outlet temperature is 32 ℃, the water outlet temperature is qualified, and the difference between the water outlet temperature and the wet bulb temperature is 4 ℃. However, according to the annual running data analysis of the cooling tower of practical projects, the annual wet bulb temperature is not constant at 28 ℃, the maximum value is about 28 ℃, and the minimum wet bulb temperature in the air conditioning season reaches 20 ℃.
Because the traditional control technology of the cooling tower fan with fixed temperature setting is adopted, the water outlet temperature of the constant cooling tower is about 30-32 ℃, and the natural climate advantage condition when the outdoor wet bulb temperature is lower than 28 ℃ cannot be deeply utilized, so that the cooling tower fan cannot be sufficiently utilized, and the overall working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that prior art exists, the utility model provides a become energy-conserving automatic control system of parameter cooling tower group adapts to natural environment temperature, improves the cooling tower utilization ratio.
In order to solve the technical problems, the following technical scheme is adopted:
an energy-saving automatic control system of a variable parameter cooling tower set comprises a master controller and a plurality of cooling towers; a cooling water outlet water channel of the cooling tower is provided with a temperature sensor and an electric two-way valve, the temperature sensor is used for detecting the outlet water temperature of the cooling water, and the electric two-way valve is used for switching on and off the cooling water outlet water channel; the cooling tower, the temperature sensor, the electric two-way valve and the meteorological station are electrically connected with the master controller.
Preferably, the system also comprises an electric power detector and a weather station for detecting the temperature of the environment; the cooling tower is provided with an electric power detection instrument for detecting electric power parameters of the cooling tower motor; the electric power detector and the meteorological station are electrically connected with the master controller.
Preferably, the system also comprises a cooling water loop; one end of the cooling water loop is communicated with a cooling water channel of the equipment to be cooled, and the other end of the cooling water loop is communicated with a cooling tower water outlet water channel of each cooling tower.
Preferably, the cooling water system further comprises a flow meter, wherein the flow meter is arranged in the cooling water loop; the flow meter is electrically connected with the master controller.
Preferably, the cooling tower further comprises a tap water supply waterway, and the tap water supply waterway is communicated with the water tank of the cooling tower.
Preferably, the water tank is characterized by further comprising fault alarm equipment, wherein the fault alarm equipment comprises a water level sensor and alarm indicating equipment, the water level sensor is arranged in the water tank, the alarm indicating equipment is arranged beside the main controller and on the cooling tower, and the water level sensor and the alarm indicating equipment are connected with the main controller.
Preferably, the device is characterized by also comprising a buoy; the main body end of the buoy is arranged in the water tank; the linkage end of the buoy is connected with a valve core, and the valve core is arranged on a tap water inlet pipeline communicated with the tap water replenishing waterway; the middle part of the buoy is connected to the wall surface of the water tank.
Preferably, the water overflow pipeline is further included.
Preferably, the device also comprises a sewage draining pipeline.
Based on the technical scheme, the utility model has the advantages of as follows:
the utility model discloses a set up electronic two-way valve, control drops into the cooling tower of cooling process. And the monitoring of the working utilization rate of the cooling tower is realized according to the temperature detection and the electrical detection of the meteorological station. And then can improve holistic work efficiency through the operating power of adjustment cooling tower, improve the utilization ratio of cooling tower.
Drawings
Fig. 1 is a schematic diagram of an energy-saving automatic control system of a variable parameter cooling tower set according to the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Wherein:
1-a master controller; 2-a cooling tower; 21-a cooling water outlet waterway; 22-cooling water circuit; 24-a water tank; 25-a buoy; 3-a weather station; 4-an electric two-way valve; 5. a flow meter; 6-a tap water supply waterway; 61-a tap water inlet waterway; 7-overflow pipeline; 8-a sewage draining pipeline.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms without departing from the spirit or essential characteristics thereof, and it should be understood that the invention is not limited to the specific embodiments disclosed below.
The technical solution of the present invention will be described in detail and fully with reference to the following embodiments and accompanying drawings.
A become energy-conserving automatic control system of parameter cooling tower group, including total controller, cooling water return circuit, running water supply water route, a plurality of cooling tower and weather station.
The meteorological station is arranged in the range with the cooling tower as the center of a circle and the radius of less than 5 m; the weather station is used for detecting the temperature of the environment.
The cooling tower comprises a water tank, a water inlet spray head, a cold air wind path, a cooling water outlet water path and fault alarm equipment. The water inlet nozzle is arranged in the cavity of the upper part of the water tank, the cold air path is communicated with the cavity of the upper part of the water tank, and the cooling water path is connected with the lower part of the water tank body. The inlet water with high temperature is sprayed downwards, the cold air as a cooling medium enters the water tank from the cold air path and moves upwards, and the inlet water is cooled after the inlet water and the cold air collide with each other (a heat exchange material or a heat exchange structure can be additionally arranged in a falling path of the water); the cooled water falls into the bottom of the water tank.
A first water channel and a second water channel are led out from the lower part of the water tank and are respectively connected with an overflow pipeline and a sewage discharge pipeline. Through the sewage discharge pipeline, after impurities are deposited in the water tank, the impurities can be discharged through the sewage discharge pipeline.
The fault alarm device comprises a water level sensor and an alarm indicating device, the water level sensor is arranged in the water tank, the alarm indicating device is arranged beside the master controller and on the cooling tower, and the water level sensor and the alarm indicating device are connected with the master controller.
A cooling water outlet water path of the cooling tower is provided with a temperature sensor and an electric two-way valve; the temperature sensor is used for detecting the water outlet temperature of the cooling water, and the electric two-way valve is used for switching on and off the cooling water outlet waterway.
One end of the cooling water loop is communicated with a cooling water channel of equipment to be cooled (such as an air conditioner), and the other end of the cooling water loop is communicated with a cooling tower water outlet water channel of each cooling tower. A flowmeter is arranged on the cooling water loop.
The cooling tower is provided with an electric power detection instrument for detecting electric power parameters of the cooling tower, wherein the electric power parameters comprise running power, current and the like.
The tap water supply waterway is communicated with the water tank of the cooling tower. The water tank comprises a buoy, the main body end of the buoy is arranged in the water tank, the linkage end of the buoy is connected with a valve core, and the valve core is a valve core of a valve arranged on a tap water inlet waterway communicated with the tap water replenishing waterway; the middle part of the buoy is connected with the wall surface of the water tank.
The cooling tower, the electric power detecting instrument, the temperature sensor, the electric two-way valve, the flowmeter and the meteorological station are electrically connected with the master controller.
Energy-conserving automatic control system of variable parameter cooling tower group's use, need during the cooling water gets into the cooling tower of cooling area heat, gets into the water tank through the shower nozzle that intakes, and the cold wind as cooling medium moves up from the cold wind path, and both bump the back mutually, realize the cooling of water. At this time, the cooling water outlet water path is continuously opened, and cooled water enters the cooling water loop through the cooling water outlet water path and then enters the air conditioner (for cooling the air conditioner main machine).
The temperature sensor in the cooling water path detects the water outlet temperature of the cooling tower, feeds the water outlet temperature back to the master controller and displays the water outlet temperature based on the panel screen, so that the working personnel can know the current water outlet temperature at any time. The flow meter measures the total flow of the cooling water in real time, and feeds the total amount of the cooling water back to the master controller and displays the total amount of the cooling water on the basis of a panel screen. According to the actual water yield and temperature, whether the system normally produces water can be known, and the staff can adjust according to the reality.
The weather station measures the ambient temperature, and feeds back ambient temperature parameter to master controller, according to the temperature parameter, if be less than 28 ℃, improve the operating power of cooling tower motor promptly to make the temperature can drop to lower temperature, that is the same water yield can refrigerated heat uprise, improve the cooling tower utilization ratio. And in order to ensure the service life of the cooling tower, the electric power parameter of the motor is monitored by an electric power detection instrument and fed back to the master controller. The electric parameters comprise the running power and the current of the motor, and the current running power is compared with the rated power by a worker, so that the running power is adjusted only when the real-time power is lower than the rated power.
And the fault alarm device sends a signal to the master controller when the water level sensor detects that the water level is lower than a preset position, and the master controller starts an alarm indicating device (which can be an alarm lamp or an alarm sound device). Thereby informing the staff that the water level exceeds the warning line, the staff opens the tap water supply waterway, and the tap water is supplied into the water tank; when the buoy is lifted to a certain water level, the valve is closed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, so that any simple modification, equivalent change and modification made by the technical entity of the present invention to the above embodiments without departing from the technical solution of the present invention all fall within the scope of the technical solution of the present invention.
Claims (9)
1. An energy-saving automatic control system of a variable parameter cooling tower set is characterized by comprising a master controller and a plurality of cooling towers; a cooling water outlet water channel of the cooling tower is provided with a temperature sensor and an electric two-way valve, the temperature sensor is used for detecting the outlet water temperature of the cooling water, and the electric two-way valve is used for switching on and off the cooling water outlet water channel; the cooling tower, the temperature sensor and the electric two-way valve are all electrically connected with the master controller; and the master controller is connected with the meteorological station.
2. The variable parameter cooling tower set energy saving automatic control system according to claim 1, further comprising an electric power detector and a weather station for detecting the temperature of the environment; the cooling tower is provided with an electric power detection instrument for detecting electric power parameters of the cooling tower motor; the electric power detector and the meteorological station are electrically connected with the master controller.
3. The variable parameter cooling tower set energy saving automatic control system according to claim 1, further comprising a cooling water loop; one end of the cooling water loop is communicated with a cooling water channel of the equipment to be cooled, and the other end of the cooling water loop is communicated with a cooling tower water outlet water channel of each cooling tower.
4. The variable parameter cooling tower set energy saving automatic control system according to claim 3, further comprising a flow meter disposed in the cooling water circuit; the flow meter is electrically connected with the master controller.
5. The variable parameter energy-saving automatic control system for the cooling tower set according to claim 1, further comprising a tap water supply waterway, wherein the tap water supply waterway is communicated with a water tank of the cooling tower.
6. The variable parameter cooling tower set energy-saving automatic control system according to claim 1 or 2, further comprising a fault alarm device, wherein the fault alarm device comprises a water level sensor and an alarm indicating device, the water level sensor is arranged in the water tank, the alarm indicating device is arranged beside the master controller and on the cooling tower, and the water level sensor and the alarm indicating device are connected with the master controller.
7. The variable parameter cooling tower energy saving automatic control system according to claim 4, further comprising a buoy; the main body end of the buoy is arranged in the water tank; the linkage end of the buoy is connected with a valve core, and the valve core is arranged on a tap water inlet pipeline communicated with a tap water replenishing waterway; the middle part of the buoy is connected to the wall surface of the water tank.
8. The variable parameter cooling tower system energy saving automatic control system according to claim 1, further comprising a spillover line.
9. The variable parameter cooling tower set energy saving automatic control system according to claim 1, further comprising a blowdown line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023342743.7U CN215217335U (en) | 2020-12-31 | 2020-12-31 | Energy-saving automatic control system of variable parameter cooling tower set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023342743.7U CN215217335U (en) | 2020-12-31 | 2020-12-31 | Energy-saving automatic control system of variable parameter cooling tower set |
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| Publication Number | Publication Date |
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| CN215217335U true CN215217335U (en) | 2021-12-17 |
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| CN202023342743.7U Active CN215217335U (en) | 2020-12-31 | 2020-12-31 | Energy-saving automatic control system of variable parameter cooling tower set |
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