TW202244429A - Cold and heat circulation system capable of circulating and recycling cold and heat within the system - Google Patents

Abstract

This invention provides a cold and heat circulation system which is characterized in that a heat generating apparatus is communicated with a cooling apparatus via a first pipeline; a heating apparatus is communicated with the heat generating apparatus via a second pipeline; a heat radiating apparatus is communicated with the heating apparatus via a third pipeline, communicated with the cooling apparatus via a fourth pipeline, and communicated with the first pipeline via a fifth pipeline, wherein a first cold fluid flows to the heat generating apparatus within the first pipeline, a first hot fluid flows to the heating apparatus within the second pipeline, a second hot fluid flows to the heat radiating apparatus within the third pipeline, a second cold fluid flows to the cooling apparatus within the fourth pipeline, and the second cold fluid flows to the heat generating apparatus within the fifth pipeline, such that cold and heat can be circulated and recycled within the system.

Description

Cooling and heating cycle system

The present invention relates to a cooling and heating cycle system, in particular to a cycle system for cooling and heating cycles, which recovers waste heat and improves efficiency.

Factory, or manufacturing plant, production plant, which is an industrial site, usually a complex of several buildings filled with machines, where workers make products or operate machines to process each product into another; Factories are an important part of modern economic production, and most commodities in the world are manufactured or processed in factories.

With the development of the times, the industry has gradually set up facilities in the factory to supply the corresponding environment of its manufacturing equipment, which is called the factory system; taking the semiconductor industry as an example, its factory system usually includes: clean room related systems, air conditioning systems, Pure water system, gas supply system, chemical supply system, power system; the most important thing about the first clean room related system is to provide a clean production environment, and the purpose of the second air conditioning system is to provide a stable air conditioning environment for the whole plant , the purpose of the third pure water system is to supply cleaning-related process needs, the purpose of the fourth gas supply system is to provide high-quality bulk gas and safe special gas, and the purpose of the fifth chemical supply system is to provide bulk High-quality chemicals are used, and the purpose of the sixth power system is to supply a stable power supply for the whole site; among them, the factory service system needs two functions, which are to provide heat source and cold source.

As for heat source supply, boilers are often used in the industry to supply hot water by means of heating. The load of hot water demand in factories is usually: dust-free outdoor air-conditioning unit (MAU), water system, gas supply system and chemical supply system, etc. .

At the same time, there are many heat sources in the factory that need to be cooled, so it is necessary to provide a cold source. The industry usually uses process cooling water to supply production equipment PCW (PROCESS COOLING WATER), which is used to manufacture cooling water systems, and It requires that the temperature of the fluid provided should not be too low, and the temperature is usually controlled at 16°C~22°C. If the temperature of the fluid is too low, dew condensation will occur on the surface of the pipeline in the case of high humidity in factories and clean rooms. Damage the equipment, if the temperature of the fluid is too high, the cooling requirements of the equipment cannot be met; and the fluid usually uses pure water or soft water as the water source.

1. Open process cooling water system: the system is mainly composed of plate heat exchanger, water pump, PCW water tank, and is divided into chilled water side and PCW water side. To ensure the water temperature of PCW, it is sent to the production line equipment, and then returned to the water tank, forming a PCW closed loop, the chilled water side is directly returned to the freezer.

2. Mixed water process cooling water system: Ice water and PCW water are partially mixed, and the suction end of the water pump controls the mixing amount of high-temperature return water and ice water suction of the equipment to control the water temperature of PCW. The amount of ice water is controlled by a three-way or two-way The valve is controlled to form a PCW loop, and the cooling water return water and ice water return to the freezer. This method is only used in systems that do not require high water quality.

Due to the installation of the factory system, the energy consumption of the factory gradually increases with the evolution of the factory system. Therefore, how to use the existing heat source in the factory and recycle it to reduce the energy consumption of boiler heating has always been the main way to improve the factory's energy saving. ; and the heat recovery method of the conventional factory cooling and heating cycle system is mainly to recover heat through the heat exchange system, but the efficiency of the heat exchanger used in the conventional cooling and heating cycle system has its certain limitations, with the use of time As the temperature increases, the efficiency of the heat exchanger will gradually decrease, so regular maintenance and replacement are required, which will increase the operating cost of the factory.

In view of the above-mentioned problems in the prior art, the present invention provides a cooling and heating cycle system, which connects the heating device, the cooling device, the heating device, and the heat dissipation device of the factory, and communicates the heating device and the heat dissipation device with pipelines. The fluid circulation between the device and the cooling device enables cold and heat to be recycled in the system.

One object of the present invention is to provide a cooling and heating cycle system, which connects the heating device of the factory with the cooling device and the heating device, and then connects the cooling device (heat consumption device) of the factory with the heating device, and uses the cooling device and the heating device to communicate with the heating device. The connected circulation of the device enables the fluid flowing through the heating device to circulate through the cooling device to recover waste heat and improve the efficiency of the heat exchanger of the cold and hot cycle system.

In order to achieve the above-mentioned purposes and effects, the present invention provides a cooling and heating cycle system, which includes: a cooling device, a heating device, a heating device and a heat dissipation device, the heating device communicates with the cooling device with a first pipeline device, the heating device communicates with the heating device with a second pipeline, the heat dissipation device communicates with the heating device with a third pipeline, the heat dissipation device communicates with the cooling device with a fourth pipeline, and the heat dissipation device communicates with the cooling device with a first pipeline Five pipelines communicate with the first pipeline, wherein a first cold fluid flows to the heating device in the first pipeline, a first hot fluid flows in the second pipeline to the heating device, and a first Two hot fluids flow in the third pipeline to the cooling device, a second cold fluid flows in the fourth pipeline to the cooling device, and the second cold fluid flows in the fifth pipeline to the heat sink. Device; use this structure to provide a cooling and heating cycle system, and recover part of the heat source to improve the efficiency of the heat exchanger of the system.

In an embodiment of the present invention, it further includes a fluid input port, which communicates with the first pipeline, and a third cold fluid flows in the first pipeline to the heating device.

In one embodiment of the present invention, it further includes a fluid output port, which communicates with the second pipeline, and the first thermal fluid flows in the second pipeline to the fluid output port.

In an embodiment of the present invention, the cooling device includes a first storage tank, and the first storage tank communicates with the first pipeline and the fourth pipeline.

In an embodiment of the present invention, the heating device includes a second storage tank, and the second storage tank communicates with the second pipeline and the third pipeline.

In an embodiment of the present invention, the heat dissipation device communicates with the heat generating device through a sixth pipeline, and a third thermal fluid flows in the sixth pipeline to the heat dissipation device.

In an embodiment of the present invention, the heating device further includes a first control unit.

In an embodiment of the present invention, the heat dissipation device further includes a second control unit.

In order to enable your review committee members to have a further understanding and understanding of the characteristics of the present invention and the achieved effects, the following examples and accompanying descriptions are hereby provided:

In view of the problems of the above-mentioned prior art, the present invention provides a device for connecting a heating device to a cooling device through a pipeline, cooling the heating device, connecting a heating device to the heating device through a pipeline, and then heating the heating device. To cool the fluid, connect a cooling device with a pipeline to the heating device to receive the heated fluid, and connect a pipeline to the cooling device to receive the radiated fluid, so that cold and heat can be recycled in the system.

Please refer to Figure 1, which is a schematic diagram of a circulation system of an embodiment of the present invention. As shown in the figure, in this embodiment, a cooling and heating circulation system 1 includes a cooling device 10, a heating device 20, and a heating device 30 And a cooling device 40 , and fluid flows in these devices 10 , 20 , 30 , 40 to perform thermal cycle.

Referring to Fig. 1 again, as shown in the figure, in this embodiment, the heating device 20 communicates with the cooling device 10 through a first pipeline 22, and the heating device 30 communicates with the heating device 20 through a second pipeline 32. , and the heat dissipation device 40 communicates with the heating device 30 with a third pipeline 42 , and the heat dissipation device 40 communicates with the cooling device 10 with a fourth pipeline 44 , and the heat dissipation device 40 communicates with a fifth pipeline 46 The first pipeline 22; in this embodiment, the cooling device 10 is a device for cooling the fluid, such as a compressor and heat sink, these heat exchange devices; the heating device 20 is a heat source for heating, such as the processing of a factory machine, air compressor, conveying equipment; the heating device 30 is equipment for heating the fluid, such as a boiler; the cooling device 40 is a cold source for heat dissipation, such as a dust-free outdoor air-conditioning unit (MAU), gas room, chemical storage Groove, such temperature and humidity control devices.

Continuing the above, as shown in the figure, in this embodiment, the cooling device 10 cools the fluid to form a first cold fluid C1, and the first cold fluid C1 flows in the first pipeline 22 to the heating device 20. The first cold fluid C1 absorbs the heat energy generated by the heating device 20, and heats up to form a first hot fluid H1. The first hot fluid H1 flows in the second pipeline 32 to the heating device 30. The heating device 30 heats the first thermal fluid H1 to form a second thermal fluid H2, and the second thermal fluid H2 flows in the third pipeline 42 to the cooling device 40, and the cooling device 40 absorbs the second thermal fluid H2. The heat energy of the hot fluid H2 forms a second cold fluid C2, and the second cold fluid C2 flows in the fourth pipeline 44 to the cooling device 10 to further cool the second cold fluid C2. In this embodiment, the second cold fluid C2 When the temperature of the second cold fluid C2 is lower than the preset temperature, the second cold fluid C2 is introduced into the fifth pipeline 46 at the same time, and the second cold fluid C2 flows in the fifth pipeline 46 to the heating device 20, directly The heat-generating device 20 is cooled by the second cold fluid C2 to reduce the consumption of the first cold fluid C1 to save energy consumption of the cooling device 10 .

Please refer to Figure 2, which is a schematic diagram of a cooling device and a heating device according to an embodiment of the present invention. As shown in the figure, this embodiment further discloses the elements of the cooling device 10 and the heating device 30, and the cooling device 10 includes a first A storage tank 11, the first storage tank 11 communicates with the first pipeline 22 and the fourth pipeline 44, the second cold fluid C2 flows into the first storage tank 11 through the fourth pipeline 44 for cooling, forming The first cold fluid C1, the first cold fluid C1 flows out of the first storage tank 11 through the first pipeline 22; the heating device 30 includes a second storage tank 31, and the second storage tank 31 communicates with the second The pipeline 32 and the third pipeline 42, the first thermal fluid H1 flows into the second storage tank 31 through the second pipeline 32 to be heated to form the second thermal fluid H2, and the second thermal fluid H2 passes through the The third pipeline 42 flows out of the second storage tank 31; in this embodiment, the first storage tank 11 can temporarily accommodate the second cold fluid C2 for buffering and cooling. When the preset temperature (for example, lower than 20 degrees), the first storage tank 11 transports the second cold fluid C2 to the heating device 20 for heat dissipation, further saving the energy consumption of the cooling device 10; The second storage tank 31 can temporarily accommodate the first thermal fluid H1 for buffering and heating. If the first thermal fluid H1 is heated to a temperature higher than a preset temperature (for example, higher than 20 degrees), the second storage tank 31 will The first heat fluid H1 is delivered to the heat dissipation device 40 for heating, further saving the energy consumption of the heating device 30 .

Please refer to Fig. 3 and Fig. 4, Fig. 3 is a schematic diagram of a fluid input end and a fluid output end of an embodiment of the present invention, and Fig. 4 is a schematic diagram of a circulation system of another embodiment of the present invention, as shown in the figure, In this embodiment, a fluid input port 52 and a fluid output port 54 are further included. The fluid input port 52 communicates with the first pipeline 22 and inputs a third cold fluid C3. A pipeline 22 flows to the heating device 20 for cooling, the fluid output end 54 communicates with the second pipeline 32, the first hot fluid H1 flows in the second pipeline 32 to the fluid output end 54, The fluid input port 52 and the fluid output port 54 enable the cooling and heating cycle system 1 to perform thermal cycle with other factory equipment, adapting to the configuration of different factory systems.

Continuing the above, as shown in the figure, in this embodiment, the heat dissipation device 40 is further communicated with the heat generating device 20 through a sixth pipeline 48, and the third heat fluid H3 of the heat generating device 20 flows through the sixth pipeline 48 flow to the cooling device 40, wherein the temperature of the third hot fluid H3 is higher than that of the first hot fluid H1, after the cooling device 10 transports the first cold fluid C1 to the heating device 20, if the temperature rises above At a preset temperature (for example, above 60 degrees), the heat generating device 20 can directly deliver fluid to the heat sink 40 to provide a heat source, that is, the third heat fluid H3.

Continuing the above, as shown in the figure, in this embodiment, the heating device 20 is further provided with a first control unit 21, the first control unit 21 detects the temperature of the first cold fluid C1 delivered by the cooling device 10, To determine that the fluid C1 needs to be delivered to the heating device 30 or the cooling device 40; The temperature of the second thermal fluid H2 and the third thermal fluid H3 delivered by the heating device 20 is used to determine whether the fluids H2 and H3 need to be delivered to the cooling device 10 or the heating device 20 .

A cooling and heating cycle system 1 of the present embodiment connects the heating device 20 of the factory with the cooling device 10 for cooling, the heating device 20 communicates with the heating device 30, and sends the heated cooling fluid into the heating device 30 Inside, the cooling device 40 communicates with the heating device 30, and receives the heated fluid of the heating device 30 to provide a heat source. The setting of the fifth pipeline 46 and the sixth pipeline 48 is used for temperature adjustment, so that cold and heat can be recycled in the system, and the consumption of heat energy can be reduced.

In summary, the present invention provides a cooling and heating cycle system, which connects the heating device of the workshop with the cooling device and the heating device, and then connects the cooling device (such as a heat consumption device) of the factory with the heating device, and utilizes the cooling device The communication cycle with the heating device allows the fluid flowing through the heating device to be directly transported to the heat sink for thermal circulation. This structure corresponds to the social circulation of the entire system, and the waste heat is recovered to improve the efficiency of the heat exchanger of the cooling and heating cycle system. , to solve the problem that the efficiency of the heat exchanger will gradually decrease with the increase of the use time of the conventional cooling and heating cycle system, and regular maintenance and replacement are required, resulting in an increase in the operating cost of the factory.

Therefore, the present invention is novel, progressive and can be used in industry. It should meet the patent application requirements of my country's patent law. I file an invention patent application in accordance with the law. I pray that the bureau will grant the patent as soon as possible. I sincerely pray.

However, the above is only an embodiment of the present invention, and is not used to limit the scope of the present invention. Therefore, all equivalent changes and modifications made in accordance with the shape, structure, characteristics and spirit described in the scope of the patent application of the present invention, All should be included in the patent application scope of the present invention.

1: Cooling and heating cycle system 10: cooling device 11: The first storage tank 20: heating device 21: The first control unit 22: The first pipeline 30: heating device 31: The second storage tank 32: Second pipeline 40: cooling device 41: Second control unit 42: The third pipeline 44: The fourth pipeline 46: Fifth pipeline 48: The sixth pipeline 52: Fluid input terminal 54: Fluid output port C1: first cold fluid C2: second cold fluid C3: third cold fluid H1: first thermal fluid H2: second thermal fluid H3: third thermal fluid

Figure 1: It is a schematic diagram of the circulatory system of an embodiment of the present invention; Figure 2: It is a schematic diagram of the cooling device and the heating device of the embodiment of the present invention; Figure 3: It is a schematic diagram of the fluid input end and the fluid output end of an embodiment of the present invention; and Figure 4: It is a schematic diagram of the circulation system of another embodiment of the present invention.

1: Cooling and heating cycle system

10: cooling device

20: heating device

22: The first pipeline

30: heating device

32: Second pipeline

40: cooling device

42: The third pipeline

44: The fourth pipeline

46: Fifth pipeline

C1: first cold fluid

C2: second cold fluid

H1: first thermal fluid

H2: second thermal fluid

Claims (8)

A cooling and heating cycle system comprising: a cooling device; A heating device, which communicates with the cooling device through a first pipeline; a heating device, which communicates with the heating device through a second pipeline; and A heat dissipation device, which communicates with the heating device with a third pipeline, communicates with the cooling device with a fourth pipeline, and communicates with the first pipeline with a fifth pipeline; Wherein, a first cold fluid flows to the heating device in the first pipeline, a first hot fluid flows in the second pipeline to the heating device, and a second hot fluid flows in the third pipeline Flowing to the cooling device, a second cold fluid flows in the fourth pipeline to the cooling device, and the second cold fluid flows in the fifth pipeline to the heating device. The cooling and heating circulation system as described in claim 1 further includes a fluid input port connected to the first pipeline, and a third cold fluid flows in the first pipeline to the heating device. The heating and cooling cycle system as described in claim 1 further includes a fluid output end connected to the second pipeline, and the first hot fluid flows in the second pipeline to the fluid output end. The heating and cooling cycle system according to claim 1, wherein the cooling device includes a first storage tank, and the first storage tank communicates with the first pipeline and the fourth pipeline. The heating and cooling cycle system according to claim 1, wherein the heating device includes a second storage tank, and the second storage tank communicates with the second pipeline and the third pipeline. The cooling and heating circulation system as described in claim 1, wherein the heat dissipation device communicates with the heat generating device through a sixth pipeline, and a third thermal fluid flows to the heat dissipation device in the sixth pipeline. The heating and cooling cycle system according to claim 1, wherein the heating device further includes a first control unit. The heating and cooling cycle system as claimed in claim 1, wherein the cooling device further includes a second control unit.

Images