Water cooling system
Technical Field
The utility model belongs to the technical field of test system cooling, concretely relates to water cooling system.
Background
During the operation of the equipment of the test system, a large amount of waste heat is generated and needs to be transferred to the natural environment by using a heat transfer medium in time so as to ensure the normal operation of the production process. The heat-dissipating medium is usually air, water or lubricating oil. Tap water is used as a heat transfer medium for industrial waste heat, and is called cooling water in industrial production, because tap water has excellent heat transfer performance and low cost, and is abundant in resources. The physical and chemical properties of the industrial cooling water are not obviously changed except for raising the temperature in use, and if proper temperature reduction measures are adopted, a recycling system is formed, so that the industrial cooling water is an important way for saving water. At present, a circulating water cooling system of an underground water tank adopts a self-control self-priming pump, and the efficiency of a water pump motor is lower, so that the serious waste of energy consumption is caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a water cooling circulation system that can the energy saving.
In order to solve the technical problem, the utility model provides a technical scheme does:
a water cooling system comprises a cold water tank, a hot water tank, a cooling device and a water pump. Wherein, the water pump is connected with cold water pond and water equipment respectively, and the hot-water pond is connected with water equipment and cooling device respectively. The water pump adopts a pipeline pump, and the cooling system is provided with an above-water bottom valve which is respectively connected with the cold water pool and the pipeline pump and a water supplementing device which is respectively connected with the above-water bottom valve and the pipeline pump.
According to the utility model discloses a water cooling system can be used for after the cooling of equipment through secret cold water pond water intaking, and the cooling water is heated and gets into the hot-water pond, gets into cold water pond cyclic utilization after cooling through cooling device. And replace the self priming water pump with the tubing pump, can realize the tubing pump through the bottom valve on water and follow the water intaking of underground cold water pond, realize automatic moisturizing for the tubing pump through the moisturizing device. Compared with a self-priming water pump, the pipeline pump consumes the same electric power and can greatly increase the flow, so that the efficiency of the water pump motor can be greatly improved, and the energy is saved.
With respect to the above technical solution, further improvements as described below can be made.
According to the utility model discloses a water cooling system, in a preferred embodiment, the moisturizing device includes moisturizing case and the moisturizing pump of being connected with the moisturizing case, and the moisturizing pump is connected with bottom valve and tubing pump on water respectively.
The operation of the water replenishing device is simple and convenient through the water replenishing tank and the water replenishing pump, and water replenishing operation can be performed on the pipeline pump in time.
Further, in a preferred embodiment, a plurality of groups of independent pipeline pumps are arranged between the cold water pool and the water using equipment, and each group of pipeline pumps are connected with the water replenishing device.
The cold and water shortage requirements of a plurality of sets of water cooling equipment on the experimental equipment can be met by arranging a plurality of sets of pipeline pumps.
Further, in a preferred embodiment, the water cooling system further comprises a processing unit and a measuring unit. The measuring unit is used for measuring the pressure at the outlet of the pipeline pump and the pressure, the temperature and the flow at the inlet of the water using equipment. The processing unit controls the pressure, flow and temperature of the water cooling system according to the measurement result of the measuring unit.
According to the utility model discloses a water cooling system combines measuring unit's automatic control effect through the processing unit, control water pump motor rotational speed, automatic switch-over cooling device, and real-time on-line monitoring is realized to the temperature and according to data automatically regulated temperature, satisfies 28 ℃ cooling water temperature demands under south summer heat climate condition. According to the flow data, the water quantity is continuously and automatically adjusted, and the efficiency of a water pump motor is improved, so that the automatic control, automatic measurement, digitization and informatization of the whole water cooling system are realized.
In particular, in a preferred embodiment, the measuring unit comprises a pressure gauge, a pressure sensor, a temperature sensor and a flow sensor. Wherein the pressure gauge is positioned at the outlet of the pipeline pump. The pressure sensor, temperature sensor and flow sensor are located near the inlet of the water-using equipment.
The pressure gauge, the pressure sensor, the temperature sensor and the flow sensor are adopted, so that the measurement work is simple and convenient, the measurement data is visual, and the arrangement in a water cooling system is convenient.
Further, in a preferred embodiment, a check valve is provided between the tubing pump outlet and the pressure gauge.
Through setting up the check valve, can prevent that cooling water from flowing back influence cooling efficiency in the tubing pump.
Further, in a preferred embodiment, an overflow pipe is arranged between the cold water pool and the hot water pool.
Through set up overflow pipe between cold water pond and hot-water tank, can balance the water yield between cold water pond and the hot-water tank and prevent that one of them pond from because the water yield is too big that leads to the fact pressure, influences whole water cooling system's steady operation.
Specifically, in a preferred embodiment, the cooling device includes an air-cooled chiller unit and an open-closed refrigeration tower.
Through setting up air-cooled refrigerating unit and open-close type refrigeration tower, can select suitable cooling device according to the water yield in hot-water pond, can be as far as possible resources are saved when guaranteeing to satisfy cooling system's requirement.
Further, in a preferred embodiment, a filter is provided between the pipeline pump and the water consuming device.
Through setting up the impurity that the filter can filter the cooling water, avoid the cooling water to cause the damage to equipment.
Specifically, in a preferred embodiment, the pipelines of the water cooling system are connected through a plurality of soft joints, and the communication and the closing of the pipelines are controlled through a plurality of gate valves arranged on the pipelines.
The mode that adopts soft joint to connect each part and pipeline is simple convenient, and stable in structure is reliable, and the leakproofness is good, can very conveniently control whole water cooling system's switch through the gate valve.
Compared with the prior art, the utility model has the advantages of: thereby can improve water pump motor efficiency energy saving.
Drawings
The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:
fig. 1 schematically shows a frame structure of a water cooling system according to an embodiment of the present invention;
fig. 2 schematically shows the overall structure of a water cooling system according to an embodiment of the present invention;
fig. 3 schematically shows the overall control structure of the water cooling system according to the embodiment of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples, without thereby limiting the scope of the invention.
Fig. 1 schematically shows a frame structure of a water cooling system 10 according to an embodiment of the present invention. Fig. 2 schematically shows the overall structure of the water cooling system 10 according to the embodiment of the present invention. Fig. 3 schematically shows the overall control structure of the water cooling system 10 according to the embodiment of the present invention.
As shown in fig. 1 and 2, a water cooling system 10 according to an embodiment of the present invention includes a cold water tank 1, a hot water tank 2, a cooling device 3, and a water pump 4. Wherein, the water pump 4 is connected with the cold water pool 1 and the water using equipment 5 respectively, and the hot water pool 2 is connected with the water using equipment 5 and the cooling device 3 respectively. The water pump 4 adopts a pipeline pump 41, and the cooling system 10 is provided with an upper bottom valve 6 connected with the cold water tank 1 and the pipeline pump 41 respectively and a water supplementing device 7 connected with the upper bottom valve 6 and the pipeline pump 41 respectively. According to the utility model discloses water cooling system can be used for after the cooling of equipment through secret cold water pond water intaking, and the cooling water is heated and gets into the hot-water pond, gets into cold water pond cyclic utilization after cooling through cooling device. And, replace the self priming water pump with the tubing pump, can realize the tubing pump through the bottom valve on water and follow the water intaking of underground cold water pond, realize the automatic supply of the initial drinking water that absorbs water of tubing pump through the moisturizing device. Compared with a self-priming water pump, the pipeline pump consumes the same electric power and can greatly increase the flow, so that the efficiency of the water pump motor can be greatly improved, and the energy is saved. Further, in the present embodiment, several groups of independent pipeline pumps 41 are provided between the cold water tank 1 and the water using equipment 5, and each group of pipeline pumps 41 is connected to the water replenishing device 7. The cold and water shortage requirements of a plurality of sets of water cooling equipment on the experimental equipment can be met by arranging a plurality of sets of pipeline pumps.
Specifically, in this embodiment, water cooling system 10 replaces former automatic control self priming pump with tubing pump 41, and available 20kW water pump motor reaches former 37kW water pump motor efficiency, and former 37kW water pump motor full power supplies water 100m3H, supplying water for 180m at full power of 37kW water pump motor3And/h, thereby effectively improving the energy utilization rate.
Further, as shown in fig. 1 and 2, in the present embodiment, the water cooling system 10 further includes a processing unit 8 and a measuring unit 9. Wherein the measuring unit 9 is used for measuring the pressure at the outlet of the pipeline pump 41 and the pressure, the temperature and the flow rate at the inlet of the water-using device 5. The processing unit 8 controls the pressure, flow and temperature of the water cooling system 10 according to the measurement results of the measuring unit 9. According to the utility model discloses water cooling system combines measuring unit's automatic control effect through the processing unit, controls water pump motor rotational speed, automatic switch-over cooling device, and real-time on-line monitoring is realized to the temperature and according to data automatically regulated temperature, satisfies 28 ℃ cooling water temperature demand under southern summer heat climate condition. According to the flow data, the water quantity is continuously and automatically adjusted, and the efficiency of a water pump motor is improved, so that the automatic control, automatic measurement, digitization and informatization of the whole water cooling system are realized.
As shown in fig. 2, preferably, in the present embodiment, the measurement unit 9 includes a pressure gauge 91, a pressure sensor 92, a temperature sensor 93, a flow sensor 94, and a liquid level sensor 95. Wherein the pressure gauge 91 is located at the outlet of the pipe pump 41. The pressure gauge 91, the temperature sensor 93 and the flow sensor 94 are located near the inlet of the water using device 5. The pressure gauge, the pressure sensor, the temperature sensor and the flow sensor are adopted, so that the measurement work is simple and convenient, the measurement data is visual, and the arrangement in a water cooling system is convenient.
Preferably, in this embodiment, as shown in FIG. 1, the processing unit 8 includes a remote control computer 81, a control PLC82, a field control computer 83, and an industrial Ethernet 84. The system can realize remote control of the control computer, can also select a local control mode of a field control computer, or can manually and directly operate the control key of the frequency converter for control under special conditions. The system can realize automatic acquisition of water pressure, flow and temperature, realize digital transmission to a remote control computer and a field control computer, and has the functions of real-time display and continuous recording.
As shown in fig. 3, further, in the present embodiment, a variable frequency motor 106 and a frequency converter 107 are provided between the water using equipment 5 and the cold water tank 1. The frequency conversion motor is controlled by the frequency converter under the automatic control action of the processing unit, and the water pressure and the flow of the cooling water entering the water using equipment can be controlled by adjusting the rotating speed of the motor. Further, in the present embodiment, the water inlet pipes of the cooling device 3 are all provided with the electromagnetic valves 108, so that the water pressure and the flow rate of the hot water entering the cooling device can be adjusted by controlling the opening and closing angles of the electromagnetic valves.
Specifically, in the present embodiment, as shown in fig. 3, a flow sensor 94, a temperature sensor 93, and a pressure sensor 92 are provided on each of the water inlet pipe and the water return pipe of the cooling device 3. The cold water tank 1 is provided with a liquid level sensor 95, a temperature sensor 93 and a pressure sensor 92. Therefore, the processing unit is combined with the automatic control function of the measuring unit, the water taking temperature of the hot water pool and the return water temperature of the cooling device can be obtained in real time, the water level and the water temperature of the cold water pool are monitored and protected, the water replenishing of the cooling system is controlled in real time, and meanwhile, the water flow and the temperature of the cooling device can be monitored, controlled and adjusted.
As shown in fig. 2, according to the water cooling system 10 of the embodiment of the present invention, specifically, the water replenishing device 7 includes a water replenishing tank 71 and a water replenishing pump 72 connected to the water replenishing tank 71, and the water replenishing pump 72 is connected to the water bottom valve 6 and the pipeline pump 41 respectively. The operation of the water replenishing device is simple and convenient through the water replenishing tank and the water replenishing pump, and water replenishing operation can be performed on the pipeline pump in time.
Further, as shown in fig. 2, in the present embodiment, a check valve 101 is provided between the outlet of the line pump 41 and the pressure gauge 91. Through setting up the check valve, can prevent that cooling water from flowing back influence cooling efficiency in the tubing pump. Further, in the present embodiment, an overflow pipe 102 is provided between the cold water tank 1 and the hot water tank 2. Through set up overflow pipe between cold water pond and hot-water tank, can balance the water yield between cold water pond and the hot-water tank and prevent that one of them pond from because the water yield is too big that leads to the fact pressure, influences whole water cooling system's steady operation.
Specifically, as shown in fig. 1 and 2, in the present embodiment, the cooling device 3 includes an air-cooled refrigerator group 31 and an open-close type cooling tower 32. Through setting up air-cooled refrigerating unit and open-close type refrigeration tower, can select suitable cooling effect according to the water yield of hot-water tank, can be as far as possible resources are saved when guaranteeing to satisfy cooling system's requirement. Specifically, in the present embodiment, the pipes of the water cooling system 10 are connected by a plurality of soft joints 103, and the communication and closing of the pipes are controlled by a plurality of gate valves 104 provided on the pipes. The mode that adopts soft joint to connect each part and pipeline is simple convenient, and stable in structure is reliable, and the leakproofness is good, can very conveniently control whole water cooling system's switch through the gate valve. Further, in the present embodiment, a filter 105 is provided between the pipe pump 41 and the water using equipment 5. Through setting up the impurity that the filter can filter the cooling water, avoid the cooling water to cause the damage to equipment.
As shown in fig. 2, the water cooling system 10 of the embodiment of the present invention operates as follows:
the water cooling system 10 of the embodiment of the present invention is a main circulation system composed of the cold water tank 1 → the pipe → the upper bottom valve 6 → the pipe pump 41 → the pipe → the heat exchanger on the water equipment 5 → the pipe → the hot water tank 2. This cycle brings the heat generated by the test equipment to the hot water bath.
The water cooling system 10 of the embodiment of the present invention is composed of a hot water tank 2 → an air-cooled refrigerator group 31 or an open/close cooling tower 32 → a cold water tank 1, and forms a secondary cycle. The circulation transfers the heat energy in the circulating water to the air.
The specific working process is as follows: firstly, the pipeline pump 41 is started, and the processing unit 8 gives a starting instruction of the pipeline pump 41; the water replenishing pump 72 is automatically started, and the water replenishing time for injecting water in the water replenishing tank 71 into the rear end of the pipeline pump 41 and the rear end of the water upper bottom valve 6 can be freely set; after the water supplement of the pipeline pump 41 is finished, the pipeline pump 41 is automatically started, and water in the underground cold water pool 1 is pumped to the water utilization equipment 5 through a pipeline; the water flowing through the water-using equipment 5 takes away the heat generated by the equipment through a water-water or water-oil heat exchanger and flows back to the hot water tank 2 of the underground water tank; the cold water tank 1 and the hot water tank 2 are connected through an overflow pipe 102.
According to the above embodiment, it is seen that the utility model relates to a water cooling system can improve water pump motor efficiency energy saving.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not intended to be limited to the particular embodiments disclosed herein, but rather to include all embodiments falling within the scope of the appended claims.