CN212431458U - Chilled water circulation system - Google Patents
Chilled water circulation system Download PDFInfo
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- CN212431458U CN212431458U CN202021160152.5U CN202021160152U CN212431458U CN 212431458 U CN212431458 U CN 212431458U CN 202021160152 U CN202021160152 U CN 202021160152U CN 212431458 U CN212431458 U CN 212431458U
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Abstract
The utility model discloses a chilled water circulating system, which comprises a refrigerating unit, a chilled water circulating pump, a heat exchanger, a conveying pipeline and a water replenishing pipe; the conveying pipeline connects the chilled water circulating pump, the refrigerating unit and the heat exchanger in sequence. Freezing water circulating system has energy-conserving, the advantage in province space, removes the big freezing water pitcher of area on traditional freezing water circulating system basis, both regard as the conveying system of refrigerated water with whole pipeline, also regard as the storage system of refrigerated water, save equipment preparation, installation cost and take up an area of, become the thrust pump of overcoming the pipe resistance with the effect of frozen water pump in the system by long-range transport, pump lift greatly reduced is more energy-conserving.
Description
Technical Field
The utility model relates to a chemical production technical field, concretely relates to refrigerated water circulation system.
Background
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information constitutes prior art that is already known to a person skilled in the art.
Chemical devices in the field of chemical production generally require chilled water circulation systems for cooling. The circulating system of the traditional refrigerating unit is provided with a refrigerating water tank, refrigerating water from the refrigerating unit firstly enters the refrigerating water tank to be stored, and then is conveyed to the heat exchanger through a refrigerating water circulating pump. The freezing water tank in the freezing water circulation system is generally large in size and large in occupied area, and influences are caused on the overall arrangement of the device. After the chilled water enters the chilled water tank, the pressure head is basically reduced to the normal pressure, the chilled water circulating pump is required to pressurize and convey the chilled water at the normal pressure to the heat exchangers for various processes, the pump lift of the water pump is high, the power of the motor is high, the energy consumption of equipment operation is high, and the cost is high. The chemical plant device is large in freezing water amount in summer and small in freezing water amount in winter, but the flow of the freezing water circulating pump needs to be determined according to the maximum amount of the freezing water required by the plant, so that the flow of the freezing water circulating pump is determined and inconvenient to adjust when the using amount of the freezing water in summer is small.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem who exists among the prior art, the utility model aims at providing a chilled water circulating system has energy-conservation, the advantage in province space, remove the big freezing water pitcher of area on traditional chilled water circulating system basis, both regard whole conveying line as the conveying system of refrigerated water, also regard as the storage system of refrigerated water, save equipment preparation, installation cost and occupation of land, become the thrust pump of overcoming the pipe resistance with the effect of frozen water pump in the system by remote transport, the lift greatly reduced of pump, it is more energy-conserving.
The technical scheme of the utility model is that: a chilled water circulating system comprises a refrigerating unit, a chilled water circulating pump, a heat exchanger, a conveying pipeline and a water replenishing pipe; the conveying pipeline connects the chilled water circulating pump, the refrigerating unit and the heat exchanger in sequence.
Preferably, the water replenishing pipe is arranged on the conveying pipeline and is positioned between the heat exchanger and the chilled water circulating pump;
preferably, the chilled water circulating pump is a pipeline pump;
preferably, a liquid level meter is installed at the highest point of the heat exchanger;
preferably, a first check valve is arranged between the chilled water circulating pump and the refrigerating unit;
preferably, a second check valve is arranged between the refrigerating unit and the heat exchanger;
preferably, the water inlet and the water outlet pipeline of the chilled water circulating pump are both provided with a pressure sensor;
preferably, thermometers are installed at the water inlet and the water outlet of the refrigerating unit;
preferably, the refrigeration unit is equipped with an evaporative condenser;
preferably, the refrigerating unit is provided with a freon circulating system pressure monitoring point.
The circulating system of the traditional refrigerating unit is provided with a refrigerating water tank, refrigerating water from the refrigerating unit firstly enters the refrigerating water tank to be stored, and then is conveyed to the heat exchanger through a refrigerating water circulating pump. The freezing water tank in the freezing water circulation system is generally large in size and large in occupied area, and influences are caused on the overall arrangement of the device. After the chilled water enters the chilled water tank, the pressure head is basically reduced to the normal pressure, the chilled water circulating pump is required to pressurize and convey the chilled water at the normal pressure to the heat exchangers for various processes, the lift of the water pump is high, the lift of the water pump can reach 50 meters in a chemical device, the power of a motor is high, the energy consumption of equipment operation is high, and the cost is high.
The utility model discloses do not have the freezing water pitcher, conveying line both is the conveying system of refrigerated water, also is the storage system of refrigerated water, and the effect of frozen water pump in the refrigerated water circulation system becomes by remote transport and overcomes the pipe resistance, and the lift greatly reduced of pump is 15 meters for the refrigerated water circulation system is more energy-conserving. And the chilled water circulating system can be flexibly adjusted: the chemical device uses a large amount of refrigerating water in summer, the refrigerating units can be fully opened, and the corresponding refrigerating units can be selectively closed in winter.
The utility model has the advantages that:
the utility model discloses a refrigerated water circulation system has energy-conserving, the advantage in province space, removes the big freezing water pitcher of area on traditional refrigerated water circulation system basis, both regards the conveying system of refrigerated water as whole conveying line, also regards as the storage system of refrigerated water, saves equipment preparation, installation cost and takes up an area of. The function of the freezing water pump in the system is changed from remote conveying into a pushing pump for overcoming the resistance of the pipeline, the pump lift is greatly reduced, and more energy is saved. The chemical device uses a large amount of refrigerating water in summer, the refrigerating units can be fully opened, and the corresponding refrigerating units can be selectively closed in winter, so that the chemical device can be flexibly adjusted. The chilled water circulation system has simple flow, low equipment investment and operation cost and better popularization value.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure, 1, a refrigerating unit, 2, a chilled water circulating pump, 3, a heat exchanger, 4, a conveying pipeline, 5 and a water replenishing pipe.
Detailed Description
Example (b): a chilled water circulation system:
as shown in fig. 1, a chilled water circulation system includes a refrigerating unit, a chilled water circulation pump, a heat exchanger, a conveying pipeline and a water replenishing pipe; the conveying pipeline connects the chilled water circulating pump, the refrigerating unit and the heat exchanger in sequence; the water replenishing pipe is arranged on the conveying pipeline.
The working process of the chilled water circulating system is as follows: the chilled water circulating system carries out primary water replenishing through a water replenishing pipe, and the water replenishing condition is checked through a liquid level meter arranged at the highest point of the heat exchanger; after water in the system is filled, the refrigerating unit starts to operate, the refrigerating unit reduces the temperature of the chilled water to the temperature required by the heat exchanger, the chilled water is pressurized by the chilled water circulating pump and then conveyed to the heat exchanger, and the chilled water subjected to heat exchange by the heat exchanger enters the refrigerating unit again for cooling.
The utility model discloses an in the concrete embodiment, the refrigerated water circulating pump is the tubing pump, because conveying line both is the conveying system of refrigerated water, also is the storage system of refrigerated water, and the effect of refrigerated water pump in refrigerated water circulation system is for overcoming the pipe resistance, and the lift of pump is 15 meters, compares in traditional circulation system that has the refrigerated water storage tank more energy-conserving.
In a specific embodiment of the present invention, a first check valve is disposed between the chilled water circulating pump and the refrigerating unit, and a second check valve is disposed between the refrigerating unit and the heat exchanger; when the chilled water circulation system starts to operate, the check valve is opened, so that the damage to the system caused by water flow backflow can be prevented.
The utility model discloses an among the concrete embodiment, all install pressure sensor on the water inlet of refrigerated water circulating pump and the delivery port pipeline, can in time adjust and keep the stability of refrigerated water rivers through detecting the pressure variation of refrigerated water circulating pump, prevent that the change of refrigerated water circulating pump pressure from leading to the fact harmful effects to the heat exchanger.
In a specific embodiment of the utility model, the refrigerating unit is provided with thermometers, which are arranged on the inlet header pipe and the outlet header pipe of the refrigerating unit, so as to facilitate the checking of the refrigerating effect and the temperature of the refrigerated water; the refrigerating unit is provided with an evaporative condenser for cooling Freon in the refrigerating unit; the refrigerating unit is provided with a Freon circulating system pressure monitoring point, so that the running condition of the evaporative condenser can be observed conveniently.
And, be in the utility model discloses a can carry out nimble regulation according to the demand to the refrigerated water among the embodiment, chemical plant device is big with the refrigerated water volume in summer, and refrigerating unit can be opened entirely, then can be selective close corresponding refrigerating unit winter, reach the purpose of nimble regulation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A chilled water circulation system is characterized by comprising a refrigerating unit, a chilled water circulating pump, a heat exchanger, a conveying pipeline and a water replenishing pipe; the conveying pipeline connects the chilled water circulating pump, the refrigerating unit and the heat exchanger in sequence.
2. The chilled water circulation system of claim 1, wherein the make-up water pipe is disposed on the transfer line between the heat exchanger and the chilled water circulation pump.
3. The chilled water circulation system of claim 1, wherein the chilled water circulation pump is a pipe pump.
4. The chilled water circulation system of claim 1, wherein a liquid level gauge is installed at the highest point of the heat exchanger.
5. The chilled water circulation system of claim 1, wherein a first check valve is disposed between the chilled water circulation pump and the chiller unit.
6. The chilled water circulation system of claim 1, wherein a second check valve is disposed between the chiller unit and the heat exchanger.
7. The chilled water circulation system of claim 1, wherein the water inlet and outlet pipes of the chilled water circulation pump are provided with pressure sensors.
8. The chilled water circulation system of claim 1, wherein thermometers are installed at both the water inlet and the water outlet of the chiller.
9. The chilled water circulation system of claim 1, wherein the chiller units are equipped with evaporative condensers.
10. The chilled water circulation system of claim 1, wherein the chiller is equipped with freon circulation system pressure monitoring points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160152.5U CN212431458U (en) | 2020-06-19 | 2020-06-19 | Chilled water circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160152.5U CN212431458U (en) | 2020-06-19 | 2020-06-19 | Chilled water circulation system |
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| Publication Number | Publication Date |
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| CN212431458U true CN212431458U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021160152.5U Active CN212431458U (en) | 2020-06-19 | 2020-06-19 | Chilled water circulation system |
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| CN (1) | CN212431458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046357A (en) * | 2022-04-25 | 2022-09-13 | 湖南有色郴州氟化学有限公司 | Pressurized circulating energy-saving system |
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2020
- 2020-06-19 CN CN202021160152.5U patent/CN212431458U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046357A (en) * | 2022-04-25 | 2022-09-13 | 湖南有色郴州氟化学有限公司 | Pressurized circulating energy-saving system |
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