CN112665045A - Cooling water circulation system of cold machine of air supply cabinet of spray booth - Google Patents
Cooling water circulation system of cold machine of air supply cabinet of spray booth Download PDFInfo
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- CN112665045A CN112665045A CN202011486559.1A CN202011486559A CN112665045A CN 112665045 A CN112665045 A CN 112665045A CN 202011486559 A CN202011486559 A CN 202011486559A CN 112665045 A CN112665045 A CN 112665045A
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- cooling water
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Abstract
The invention discloses a cooling water circulation system of a spray room air supply cabinet cooler, which comprises a cooler and a spray room exhaust system, wherein the spray room exhaust system comprises an exhaust device and an exhaust pipeline, a condenser and an evaporator are arranged in the cooler, the spray room exhaust system also comprises a cooler, the cooler is arranged in the exhaust pipeline, the cooler is connected with the condenser or the evaporator through a cooling pipeline, and a cooling water pump for pumping cooling water circulation is arranged on the cooling pipeline. The cooler is arranged in the exhaust pipeline, and the spraying room exhaust is adopted to cool the cooler, so that a stable cold source can be obtained, and the power consumption of the cooler is reduced; water is not consumed, and compared with the original circulating system, a cooling tower is not required to be installed any more, so that the power consumption of a fan of the cooling tower is reduced, and the installation space of the cooling tower is saved; the invention can also control the conversion valve to make the cooling pipeline of the connection cooler connected with the condenser or the evaporator respectively, so as to realize the cooling of the spray room in summer and the heating in winter.
Description
Technical Field
The invention relates to the field of coating spray rooms, in particular to a cooling water circulation system of a spray room air supply cabinet cooler.
Background
Along with the clean production requirements of the coating production line, the energy conservation and emission reduction of the spray room are increasingly urgent. The original spray room flow is shown in fig. 1, the existing system uses a water tower to cool the cold machine, water and electricity are consumed, and the cooling tower needs to occupy a larger installation space.
Original cooling water circulation system adopts cooling tower cooling condenser, and the flow is cooling water pump with the cold machine condenser of recirculated cooling water pump, takes the heat to the cooling tower through cooling tube, carries out the heat exchange at cooling tower cooling circulation water and air, and the cold machine condenser is taken back to the cooling water rethread cooling water pump that the cooling got off, accomplishes a circulation.
In the conventional cooling water circulation system, as shown in fig. 2, the cooling tower needs external air to evaporate water to achieve the cooling effect. Consumes a large amount of water and brings dust in the environment into the condenser to influence the cooling effect of the condenser.
Disclosure of Invention
The invention aims to provide a cooling water circulation system of a spray room air supply cabinet cooler, which can obtain a stable cold source, reduce the power consumption of the cooler and avoid water consumption.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a spout cold machine's of room air supply cabinet cooling water circulation system, includes the cold machine and spouts room exhaust system, it includes exhaust device and exhaust pipe to spout room exhaust system, be equipped with condenser and evaporimeter, its characterized in that in the cold machine: the air conditioner also comprises a cooler, wherein the cooler is arranged in the exhaust pipeline and is connected with the condenser or the evaporator through a cooling pipeline, and a cooling water pump for pumping cooling water for circulation is arranged on the cooling pipeline; and operates in the following mode:
when the cooling mode is operated in summer, the cooling water pump pumps circulating water into the condenser, the heat released by the condenser is taken away and is sent to the cooler arranged in the exhaust pipeline through the cooling pipeline, the heat of the circulating water is taken away by the exhaust air of the spray room through the cooler to realize cooling, and the cooled circulating water is pumped to the condenser through the cooling water pump; the refrigeration of the air supply cabinet of the spraying room is realized by the circulation;
when the heating mode is operated in winter, the cooling water pump pumps circulating water into the evaporator, heat is brought to the evaporator and is sent to the cooler arranged in the exhaust pipeline through the cooling pipeline, the spraying room exhausts the air to provide heat for the circulating water in the cooler to realize heating, and the heated circulating water is pumped to the evaporator through the cooling water pump; the heating of the air supply cabinet of the spray room is realized by the circulation.
Further, the cooler is a shell and tube heat exchanger.
Further, the cooler is used as a water baffle and is arranged at the pipeline opening of the exhaust pipeline close to the circulating water pool; the cooler is arranged at the pipeline opening close to the circulating water pool, so that circulating water discharged from the spray room can be prevented from splashing into the exhaust pipeline.
Furthermore, a cooling pipeline of the connecting cooler is connected with a condenser or an evaporator through a switching valve.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the cooling water circulation system of the spray room air supply cabinet cooler, the cooler is installed in the exhaust pipeline, and spray room exhaust is adopted to cool the cooler, so that a stable cold source can be obtained, and the power consumption of the cooler is reduced; and do not need to consume water, compare with original circulation system, no longer need install the cooling tower, reduced the power consumption of cooling tower fan, saved the installation space of cooling tower.
(2) In winter, the pipeline of the cold machine can be switched, the cooling pipeline is connected to the evaporator of the cold machine, cooled circulating water enters the cooler through the cooling pipeline, the spraying room exhausts air to provide heat for the circulating water, and the heated circulating water returns to the evaporator to be cooled, so that heat supply for the spraying room can be realized.
(3) The cooler is arranged at a pipeline port close to the circulating water pool, and can play a role of a water baffle plate to prevent circulating water discharged by the spray room from splashing into the exhaust pipeline.
Drawings
FIG. 1 is a schematic view of a circulation flow of an existing spray room system;
FIG. 2 is a schematic view of a conventional cooling water circulation system;
FIG. 3 is a schematic diagram of a system cycle according to an embodiment of the present invention;
FIG. 4 is a schematic view of a cooling water circulation system according to an embodiment of the present invention;
FIG. 5 is an idealized first principle schematic of a system according to an embodiment of the invention;
FIG. 6 is a schematic diagram of a summer cycle system according to an embodiment of the present invention;
fig. 7 is a schematic view of a working process of the winter cycle system according to an embodiment of the present invention.
In the figure: 1-a cold machine, 2-a spray room exhaust system, 3-an exhaust device, 4-an exhaust pipeline, 5-a condenser, 6-a cooler, 7-a cooling pipeline, 8-a cooling water pump, 9-a circulating water tank, 10-a spray room and 11-an air supply cabinet.
Detailed Description
The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and examples so that those skilled in the art can better understand and implement the technical solutions of the present invention.
The invention provides a cooling water circulation system of a cold machine of a blowing room air supply cabinet as shown in figures 3-4, which comprises a cold machine 1 and a blowing room air exhaust system 2, wherein the blowing room air exhaust system 2 comprises an air exhaust device 3 and an air exhaust pipeline 4, a condenser 5 and an evaporator are arranged in the cold machine 1, the cooling water circulation system also comprises a cooler 6, the cooler 6 is used as a water baffle and is arranged at a pipeline port of the air exhaust pipeline 3 close to a circulating water pool 9, the cooler 6 is arranged at a pipeline port close to the circulating water pool 9, and circulating water discharged from a blowing room 10 can be prevented from splashing into the air exhaust pipeline 3; the cooler 6 is connected with the condenser 5 or the evaporator through a cooling pipeline 7, the cooling pipeline 7 connected with the cooler 1 is connected with the condenser 5 or the evaporator through a conversion valve, and a cooling water pump 8 for pumping cooling water circulation is arranged on the cooling pipeline 7; and operates in the following mode:
in summer, the cooler 6 cools the cooling water of the cooler 1 through the exhaust of the stable temperature and flow of the spray room 10, and refrigerates the spray room air supply cabinet 11, and the specific flow is as follows:
(1) the cooling water pump 8 pumps circulating water into the condenser 5 of the cooler 1 to take away heat released by the condenser 5;
(2) circulating water with heat flows into a cooler 6 arranged in the exhaust pipeline 3 from the condenser 5 through a cooling pipeline 7, and the heat in the circulating water is taken away by exhaust air of the spraying room through the cooler 6 to realize cooling;
(3) the cooled circulating water is pumped back to the condenser 5 of the cold machine 1 by the cooling water pump 8 again, and the heat released by the condenser 5 is continuously taken away;
(4) and continuously circulating the steps to ensure that the system normally operates.
In winter, the cooler 6 heats the cooling water of the cooler by the exhaust gas with stable temperature and flow of the spray room 10, and heats the air supply cabinet 11 of the spray room, and the specific flow is as follows:
(1) the cooling water pump 8 pumps circulating water into the evaporator of the refrigerator 1 to bring heat to the evaporator;
(2) circulating water flows into a cooler 6 arranged in the exhaust pipeline 3 from the evaporator through a cooling pipeline 7, and the circulating water in the cooler 6 is heated by supplying heat to the spraying room exhaust;
(3) the heated circulating water is pumped back to the evaporator of the cold machine 1 by the cooling water pump 8 again, and heat is continuously provided for the evaporator;
(4) and continuously circulating the steps to ensure that the system normally operates.
The cooling water circulation system of the air supply cabinet cooler of the spray room has good energy-saving effect, and for the spray room 10 requiring constant temperature, if an efficient heat exchanger exchanges heat between the air inlet and the air outlet of the spray room and the spray room 10 is an ideal heat insulation system, no energy is consumed for maintaining the constant temperature of the spray room 10, and the basic principle is as shown in fig. 5.
But in fact, a high-efficiency heat exchanger without temperature difference does not exist, so that the invention introduces a cold machine system to increase the temperature difference of heat exchange so as to realize the energy saving of the spray room 10, the working flow is shown in fig. 6-7, in summer, when the exhaust gas of the spray room 10 passes through the cooler 6, the temperature is increased from the low temperature of 25 ℃ to the high temperature of 32 ℃, and the cooling water is reduced from the high temperature of 42 ℃ to the low temperature of 35 ℃; in winter, the pipeline of the refrigerator 1 is switched. When the exhaust gas of the spray chamber 10 passes through the cooler 6, the temperature is reduced from 25 ℃ to 18 ℃ and the cooling water is increased from 8 ℃ to 15 ℃.
The above-mentioned embodiments are merely preferred embodiments of the present invention, but should not be construed as limiting the invention, and any variations and modifications based on the concept of the present invention should fall within the scope of the present invention, which is defined by the claims.
Claims (4)
1. The utility model provides a spout cold machine's of room air supply cabinet cooling water circulation system, includes cold machine (1) and spouts room exhaust system (2), it includes exhaust device (3) and exhaust duct (4) to spout room exhaust system, be equipped with condenser (5) and evaporimeter, its characterized in that in cold machine (1): the air conditioner is characterized by further comprising a cooler (6), wherein the cooler (6) is installed in the exhaust pipeline, the cooler (6) is connected with the condenser (5) or the evaporator through a cooling pipeline (7), and a cooling water pump (8) for pumping cooling water for circulation is arranged on the cooling pipeline (7); and operates in the following mode:
in the refrigeration mode, the cooling water pump pumps circulating water into the condenser, takes away heat released by the condenser, the heat passes through the cooling pipeline to the cooler arranged in the exhaust pipeline, the heat of the circulating water is taken away by the exhaust of the spray room through the cooler to realize cooling, and the cooled circulating water is pumped to the condenser through the cooling water pump; the refrigeration of the air supply cabinet of the spraying room is realized by the circulation;
when in a heating mode, the cooling water pump pumps circulating water into the evaporator to bring heat to the evaporator, the heat passes through the cooling pipeline to the cooler arranged in the exhaust pipeline, the spraying room exhausts the air to provide heat for the circulating water in the cooler to realize heating, and the heated circulating water is pumped to the evaporator through the cooling water pump; the heating of the air supply cabinet of the spray room is realized by the circulation.
2. The cooling water circulation system of the cold machine of the air supply cabinet of the spray booth according to claim 1, characterized in that: the cooler (6) is a tube type heat exchanger.
3. The cooling water circulation system of the cold machine of the air supply cabinet of the spray booth according to claim 1 or 2, characterized in that: the cooler (6) is used as a water baffle and is arranged at the pipeline opening of the exhaust pipeline (4) close to the circulating water pool (9).
4. The cooling water circulation system of the cold machine of the air supply cabinet of the spray booth according to claim 3, characterized in that: the cooling pipeline of the connecting cooler is connected with a condenser (5) or an evaporator through a switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486559.1A CN112665045A (en) | 2020-12-16 | 2020-12-16 | Cooling water circulation system of cold machine of air supply cabinet of spray booth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486559.1A CN112665045A (en) | 2020-12-16 | 2020-12-16 | Cooling water circulation system of cold machine of air supply cabinet of spray booth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112665045A true CN112665045A (en) | 2021-04-16 |
Family
ID=75405632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011486559.1A Withdrawn CN112665045A (en) | 2020-12-16 | 2020-12-16 | Cooling water circulation system of cold machine of air supply cabinet of spray booth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112665045A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2015384A (en) * | 1978-03-01 | 1979-09-12 | Carrier Drysys Ltd | Paint spray booth with air supply system |
| FR2912329A1 (en) * | 2007-02-14 | 2008-08-15 | Abb France | Recycled scavenging air producing and conditioning system for painting installation, has heat exchanger and heater respectively including evaporator and condenser of heat pump, and exhaust fan for exhausting conditioned scavenging air |
| CN201493220U (en) * | 2009-04-22 | 2010-06-02 | 上海红马涂装设备工程有限公司 | Spraying and baking dual-use device with air supply system |
| CN107199156A (en) * | 2016-03-18 | 2017-09-26 | 福特全球技术公司 | Carry out the device of self-purging energy for reclaiming |
-
2020
- 2020-12-16 CN CN202011486559.1A patent/CN112665045A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2015384A (en) * | 1978-03-01 | 1979-09-12 | Carrier Drysys Ltd | Paint spray booth with air supply system |
| FR2912329A1 (en) * | 2007-02-14 | 2008-08-15 | Abb France | Recycled scavenging air producing and conditioning system for painting installation, has heat exchanger and heater respectively including evaporator and condenser of heat pump, and exhaust fan for exhausting conditioned scavenging air |
| CN201493220U (en) * | 2009-04-22 | 2010-06-02 | 上海红马涂装设备工程有限公司 | Spraying and baking dual-use device with air supply system |
| CN107199156A (en) * | 2016-03-18 | 2017-09-26 | 福特全球技术公司 | Carry out the device of self-purging energy for reclaiming |
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Application publication date: 20210416 |