CN221099096U - Energy-saving industrial plant cooling water circulation system - Google Patents
Energy-saving industrial plant cooling water circulation system Download PDFInfo
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- CN221099096U CN221099096U CN202323001941.0U CN202323001941U CN221099096U CN 221099096 U CN221099096 U CN 221099096U CN 202323001941 U CN202323001941 U CN 202323001941U CN 221099096 U CN221099096 U CN 221099096U
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- 239000000498 cooling water Substances 0.000 title claims abstract description 137
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000571 coke Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Abstract
The utility model relates to an energy-saving type factory cooling water circulation system, which comprises: the underground cooling water tank is filled with cooling water as a circulating water source of the cooling water and is divided into a first high-temperature end and a first low-temperature end; the primary cold water circulating pump pumps cooling water in the first high-temperature end to the air-cooled wind-water unit for cooling; cooling water cooled in the air-cooled air-water unit is conveyed to a first low-temperature end; the secondary cold water supply pump pumps the low-temperature cooling water in the first low-temperature end to be supplied to a plurality of equipment ends to be cooled; and the cooling water used by the equipment ends to be cooled flows back into the first high-temperature end through the water return pipeline. The energy-saving type industrial cooling water circulating system integrates all the using equipment for using cooling water in the industrial plant, reduces the purchase of a single refrigerator and reduces the maintenance cost; a large enough cooling water source is arranged, so that the working time of the refrigerator is greatly reduced due to the sufficiency of the water source, and the refrigeration energy consumption of a factory is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of cooling water systems, in particular to an energy-saving type factory cooling water circulation system.
Background
Conventional heating apparatus cooling system: the equipment is started up and needs cooling water to cool the equipment, and the cooling water needs to cool the water through a refrigerator.
The specific heat of water is 4.2X10A 3 Coke/(kg X ℃ C.), representing a mass of 1 kg of water, the temperature is increased (or decreased) by 1 ℃ C., the amount of heat absorbed (or released) is 4.2X10A 3 Coke, namely:
4.2 x 10 x 3 x 1 = 4200 joules;
one kilowatt-hour=3.6x103 joules;
4200/360000＝0.00117KW*h。
Assume that: the pool has a volume of 500 cubic, a water temperature of 15 ℃ at normal temperature, a maximum water inlet temperature of the furnace cooling water of 25 ℃, and a unit water refrigerating power of=0.00117×500×10≡3×10=5850 kw.h.
From the above data, it can be seen that in the case of a flow rate of 500 cubic/H, power consumption of 5850KW is required for every 10℃decrease in water temperature.
Thus, analyzing existing refrigeration systems has the following problems:
1. different equipment in the factory has different requirements on the water inlet temperature of the cooling water;
2. different workshops have different starting times in different areas and different requirements on water supply;
3. Because the refrigerating power of the refrigerator is relatively large, if the refrigerator is used for cooling alone, the energy consumption is relatively large.
Disclosure of utility model
Therefore, the utility model aims to solve the technical problems that under the condition that more cooling equipment is needed inside a factory in the prior art, the energy consumption of a refrigerating system is high and the production cost of enterprises is increased.
In order to solve the technical problems, the utility model provides an energy-saving cooling water circulation system for a factory, which comprises: the device comprises an underground cooling water tank, a primary cold water circulating pump, an air-cooled wind-water unit, a secondary cold water supply pump, a plurality of equipment ends to be cooled and a water return pipeline; the underground cooling water tank is filled with cooling water as a circulating water source of the cooling water and is divided into a first high-temperature end and a first low-temperature end along the length direction, and the water temperature in the first high-temperature end is higher than the water temperature in the first low-temperature end; the primary cold water circulating pump pumps cooling water in the first high-temperature end to the air-cooled wind-water unit for cooling; cooling water cooled in the air-cooled wind-water unit is conveyed to a first low-temperature end; the secondary cold water supply pump pumps low-temperature cooling water in the first low-temperature end to be supplied to a plurality of equipment ends to be cooled, and water supply pipelines of the equipment ends to be cooled are in a parallel connection state; and the cooling water used by the equipment ends to be cooled flows back into the first high-temperature end through the water return pipeline.
In one embodiment of the present utility model, the cooling water circulation system further includes a cooling water buffer tank divided into a second high temperature end and a second low temperature end in a length direction.
In one embodiment of the utility model, a first communication pipeline is arranged between the first high-temperature end and the second high-temperature end, a second communication pipeline is arranged between the first low-temperature end and the second low-temperature end, the water temperature in the second high-temperature end is higher than that in the second low-temperature end, the primary cold water circulating pump pumps the water air-cooled wind-water unit in the second high-temperature end for cooling, and the secondary cold water supply pump pumps the low-temperature cooling water in the second low-temperature end for supplying to a plurality of equipment ends to be cooled.
In one embodiment of the present utility model, the water return pipeline is connected with a low-temperature backflow branch pipe, and when the cooling water used by the plurality of equipment ends to be cooled is lower than a set value, the used cooling water flows back to the second low-temperature end through the low-temperature backflow branch pipe.
In one embodiment of the utility model, a cooling water replenishing pipeline is connected to the cooling water buffer tank.
In one embodiment of the utility model, the equipment end to be cooled is provided with a plate heat exchanger, a cooling water inlet pipe and a cooling water outlet pipe, the cooling water inlet pipe and the cooling water outlet pipe are connected with the plate heat exchanger, the plate heat exchanger is used for cooling the equipment, the cooling water inlet pipe is supplied to the plate heat exchanger for heat exchange, and the cooling water outlet pipe is used for cooling water outflow after heat exchange.
In one embodiment of the utility model, the water outlet end of the secondary cold water supply pump is connected with a cooling water main pipeline, the cooling water main pipeline is communicated with a cooling water inlet pipe, and the cooling water outlet pipe is communicated with a water return pipeline.
In one embodiment of the utility model, the cooling water circulation system further comprises a controller for monitoring the temperature, pressure and flow rate of the cooling water circulation system.
In one embodiment of the utility model, a first temperature sensor and a first flow sensor are arranged in the cooling water buffer tank, the first temperature sensor and the first flow sensor are connected with a signal input end of the controller, the first temperature sensor is used for collecting the temperature between the second high temperature end and the second low temperature end, and the first flow sensor is used for collecting the flow between the second high temperature end and the second low temperature end.
In one embodiment of the utility model, the water outlet end of the primary cold water circulating pump is provided with a second temperature sensor, the second temperature sensor is used for collecting the water outlet temperature of the primary cold water circulating pump, the water outlet end of the secondary cold water supply pump is provided with a first pressure sensor, the first pressure sensor is used for collecting the water pressure of the secondary cold water supply pump, and the second temperature sensor and the first pressure sensor are connected with the signal input end of the controller.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
The energy-saving type industrial cooling water circulating system integrates all the using equipment for using cooling water in the industrial plant, reduces the purchase of a single refrigerator, reduces the purchase cost and reduces the maintenance cost; a large enough cooling water source is arranged, so that the working time of the refrigerator is greatly reduced due to the sufficiency of the water source, and the refrigeration energy consumption of a factory is greatly reduced; the intelligent program is added, the loops are regulated through the PLC, and the utilization rate of circulating water is greatly improved.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a general frame diagram of an energy-efficient plant cooling water circulation system of the present utility model;
FIG. 2 is a partial view of the energy-efficient industrial cooling water circulation system of the present utility model;
fig. 3 is a partial view of the cooling water circulation system of the energy-saving type plant of the present utility model.
Description of the specification reference numerals: the underground cooling water tank 1, the first high-temperature end 11, the first low-temperature end 12, the primary cold water circulating pump 2, the second temperature sensor 21, the air-cooled air-water unit 3, the secondary cold water supply pump 4, the cooling water main pipeline 41, the first pressure sensor 42, the equipment end 5 to be cooled, the plate heat exchanger 51, the cooling water inlet pipe 52, the cooling water outlet pipe 53, the water return pipeline 6, the cooling water buffer tank 7, the second high-temperature end 71, the second low-temperature end 72, the first communication pipeline 73, the second communication pipeline 74, the cooling water supplementing pipeline 75, the first temperature sensor 76, the first flow sensor 77, the low-temperature backflow branch pipe 8 and the controller 9.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1 to 3, the energy-saving type cooling water circulation system for a factory of the present utility model comprises: the device comprises an underground cooling water tank 1, a primary cold water circulating pump 2, an air-cooled air-water unit 3, a secondary cold water supply pump 4, a plurality of equipment ends 5 to be cooled and a water return pipeline 6; the underground cooling water tank 1 is filled with cooling water as a circulating water source of the cooling water, the underground cooling water tank 1 is divided into a first high-temperature end 11 and a first low-temperature end 12 along the length direction, and the water temperature in the first high-temperature end 11 is higher than the water temperature in the first low-temperature end 12; the primary cold water circulating pump 2 pumps cooling water in the first high-temperature end 11 to the air-cooled wind-water unit 3 for cooling; the cooling water cooled in the air-cooled wind-water unit 3 is conveyed to the first low-temperature end 12; the secondary cold water supply pump 4 pumps the low-temperature cooling water in the first low-temperature end 12 to supply to a plurality of equipment ends 5 to be cooled, and the water supply pipelines of the equipment ends 5 to be cooled are in a parallel connection state; the cooling water used by the equipment ends 5 to be cooled flows back into the first high-temperature end 11 through the water return pipeline 6.
In the above structure, the cooling water circulation system further includes a cooling water buffer tank 7, and the cooling water buffer tank 7 is divided into a second high temperature end 71 and a second low temperature end 72 along the length direction. A first communication pipeline 73 is arranged between the first high temperature end 11 and the second high temperature end 71, a second communication pipeline 74 is arranged between the first low temperature end 12 and the second low temperature end 72, the water temperature in the second high temperature end 71 is higher than that in the second low temperature end 72, the primary cold water circulating pump 2 pumps the water-air-cooled air-water unit 3 in the second high temperature end 71 for cooling, and the secondary cold water supply pump 4 pumps the low temperature cooling water in the second low temperature end 72 for supplying to a plurality of equipment ends 5 to be cooled. The second high temperature end 71 communicates with the first high temperature end 11 through a first communication pipe 73, and the second low temperature end 72 communicates with the first low temperature end 12 through a second communication pipe 74.
When the used cooling water flowing back from the equipment end 5 to be cooled is lower than a certain temperature, the cooling water in the water return pipeline 6 is not required to be cooled by adopting the air-cooled wind-water unit 3, but directly flows back to the second low-temperature end 72 for use, so that the water return pipeline 6 is connected with a low-temperature backflow branch pipe 8, and when the used cooling water of the equipment end 5 to be cooled is lower than a set value, the used cooling water flows back to the second low-temperature end 72 through the low-temperature backflow branch pipe 8.
In the above structure, a cooling water supply pipe 75 is connected to the cooling water buffer tank 7. The cooling water replenishing pipe 75 is connected with an external water supply system, and the cooling water in the cooling water circulation system is replenished through the cooling water replenishing pipe 75.
In the above structure, the equipment end 5 to be cooled is provided with the plate heat exchanger 51, the cooling water inlet pipe 52 and the cooling water outlet pipe 53 are connected with the plate heat exchanger 51, the plate heat exchanger 51 is used for cooling equipment, the cooling water inlet pipe 52 supplies the plate heat exchanger 51 for heat exchange, and the cooling water outlet pipe 53 is used for cooling water outflow after heat exchange. The water outlet end of the secondary cold water supply pump 4 is connected with a cooling water main pipeline 41, the cooling water main pipeline 41 is communicated with a cooling water inlet pipe 52, and a cooling water outlet pipe 53 is communicated with a water return pipeline 6.
In the above structure, the cooling water circulation system further comprises a controller 9, and the controller 9 is used for monitoring the temperature, pressure and flow of the cooling water circulation system. The cooling water buffer tank 7 is internally provided with a first temperature sensor 76 and a first flow sensor 77, the first temperature sensor 76 and the first flow sensor 77 are connected with a signal input end of the controller 9, the first temperature sensor 76 is used for collecting the temperature between the second high temperature end 71 and the second low temperature end 72, and the first flow sensor 77 is used for collecting the flow between the second high temperature end 71 and the second low temperature end 72. The water outlet end of the primary cold water circulating pump 2 is provided with a second temperature sensor 21, the second temperature sensor 21 is used for collecting the water outlet temperature of the primary cold water circulating pump 2, the water outlet end of the secondary cold water supply pump 4 is provided with a first pressure sensor 42, the first pressure sensor 42 is used for collecting the water pressure of the secondary cold water supply pump 4, and the second temperature sensor 21 and the first pressure sensor 42 are connected with the signal input end of the controller 9.
A 500-cubic pool was constructed in the factory floor as a circulating water source for the cooling water. The equipment in the factory, which needs to use cooling water, is classified, for example, the temperature of the inlet water needs to be controlled to be 20-30 ℃, and the equipment in the section is classified into one type of equipment. A circulation loop is arranged on the equipment independently, and a water inlet internal circulation buffer tank is arranged; an external circulation buffer tank for water inflow; and a temperature sensing probe of the equipment in the buffer tank is used for programming a PLC (programmable logic controller) for the whole system, and the internal circulation is used for maintaining the water inlet temperature of the equipment through a plate heat exchanger.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. An energy-saving industrial cooling water circulation system, comprising: the device comprises an underground cooling water tank, a primary cold water circulating pump, an air-cooled wind-water unit, a secondary cold water supply pump, a plurality of equipment ends to be cooled and a water return pipeline;
The underground cooling water tank is filled with cooling water as a circulating water source of the cooling water and is divided into a first high-temperature end and a first low-temperature end along the length direction, and the water temperature in the first high-temperature end is higher than the water temperature in the first low-temperature end;
The primary cold water circulating pump pumps cooling water in the first high-temperature end to the air-cooled wind-water unit for cooling;
cooling water cooled in the air-cooled wind-water unit is conveyed to a first low-temperature end;
The secondary cold water supply pump pumps low-temperature cooling water in the first low-temperature end to be supplied to a plurality of equipment ends to be cooled, and water supply pipelines of the equipment ends to be cooled are in a parallel connection state;
and the cooling water used by the equipment ends to be cooled flows back into the first high-temperature end through the water return pipeline.
2. The energy-saving type factory cooling water circulation system according to claim 1, wherein: the cooling water circulation system further comprises a cooling water buffer tank, and the cooling water buffer tank is divided into a second high-temperature end and a second low-temperature end along the length direction.
3. The energy-saving type factory cooling water circulation system according to claim 2, wherein: the water cooling and air-cooling device comprises a first high-temperature end, a second high-temperature end, a first communication pipeline, a second communication pipeline, a primary cold water circulating pump, a secondary cold water supply pump, a plurality of equipment ends to be cooled, and a water cooling and air-water unit, wherein the first communication pipeline is arranged between the first high-temperature end and the second high-temperature end, the second communication pipeline is arranged between the first low-temperature end and the second low-temperature end, the water temperature in the second high-temperature end is higher than that of the second low-temperature end, the primary cold water circulating pump pumps water in the second high-temperature end to cool the water cooling and air-water unit, and the secondary cold water supply pump pumps low-temperature cooling water in the second low-temperature end to be supplied to a plurality of equipment ends to be cooled.
4. An energy efficient plant cooling water circulation system according to claim 3, wherein: the water return pipeline is connected with a low-temperature backflow branch pipe, and when the cooling water used by the plurality of equipment ends to be cooled is lower than a set value, the used cooling water flows back to the second low-temperature end through the low-temperature backflow branch pipe.
5. The energy-saving type factory cooling water circulation system according to claim 2, wherein: and the cooling water buffer tank is connected with a cooling water supplementing pipeline.
6. An energy efficient plant cooling water circulation system according to claim 3, wherein: the equipment end that waits to cool off is equipped with plate heat exchanger, cooling water inlet tube and cooling water outlet pipe all are connected with plate heat exchanger, plate heat exchanger is used for equipment cooling, the cooling water inlet tube supplies plate heat exchanger to exchange heat, the cooling water outlet pipe is used for cooling water outflow after the heat exchange.
7. The energy-saving type factory cooling water circulation system according to claim 6, wherein: the water outlet end of the secondary cold water supply pump is connected with a cooling water main pipeline, the cooling water main pipeline is communicated with a cooling water inlet pipe, and the cooling water outlet pipe is communicated with a water return pipeline.
8. The energy-saving type factory cooling water circulation system according to claim 2, wherein: the cooling water circulation system further comprises a controller, wherein the controller is used for monitoring the temperature, the pressure and the flow of the cooling water circulation system.
9. The energy-saving type factory cooling water circulation system according to claim 8, wherein: the cooling water buffer tank is internally provided with a first temperature sensor and a first flow sensor, the first temperature sensor and the first flow sensor are connected with a signal input end of the controller, the first temperature sensor is used for collecting the temperature between the second high temperature end and the second low temperature end, and the first flow sensor is used for collecting the flow between the second high temperature end and the second low temperature end.
10. The energy efficient plant cooling water circulation system according to claim 9, wherein: the water outlet end of the primary cold water circulating pump is provided with a second temperature sensor, the second temperature sensor is used for collecting the water outlet temperature of the primary cold water circulating pump, the water outlet end of the secondary cold water supply pump is provided with a first pressure sensor, the first pressure sensor is used for collecting the water pressure of the secondary cold water supply pump, and the second temperature sensor and the first pressure sensor are connected with the signal input end of the controller.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221099096U true CN221099096U (en) | 2024-06-07 |
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