TW574488B - Energy re-utilization device and energy re-utilization method - Google Patents

Description

574488 V. Description of the invention (1) Technical field of the invention: The present invention relates to an energy reusing device, especially an energy reusing device belonging to an air conditioning system required for use in a clean room. Prior art: Please refer to FIG. 1, which is a schematic diagram of a conventional air conditioning system 14. In the electronics factory, the clean room needs to be supplied with air by an air conditioning system 14 and the air humidity system 14 is used to control the humidity, temperature, and filtering suspended impurities of the air. As can be seen from Figure 1, the air-conditioning system 14 has multiple filters 2 and can initially filter large impurities at the air inlet. There are more sophisticated filters 3 near the exit end of the air-conditioning system 14 such as HEPA filter 3, which can filter. Finer impurities. The air needs to be further pushed efficiently by a fan 4. In the air-conditioning system 14, if the general temperature is too low like winter, a low-temperature air can be heated by a preheating coil 6; if the temperature is very high like summer, the preheating coil 6 is not needed to heat the air . A humidifying system 8 can then be used to add humidity to the air. Then, a cold coil 10 is used to dehumidify and cool down the air, thereby controlling the predetermined humidity of the clean room. In addition, the air-conditioning system 14 has a heat coil 12 closer to the outlet end to heat the air-conditioning system 14 to control the temperature of the air. Therefore, the temperature and seat of the air can be controlled, and impurities in the air can be filtered for use in the clean room.

574488 V. Description of the invention (2) For the hot coil 12, the conventional technology uses a heating device such as a boiler to heat the liquid to generate a hot liquid stream, and the heat liquid input pipe 16 is used to input the hot liquid stream. Enter the hot coil 12 so that the hot coil 12 can heat the air in the air conditioning system 14. The heat flow input pipe 16 includes a second valve 20 to control the flow of the hot liquid flow. After the hot liquid stream passes through the hot coil 12, it will cool down to a cold liquid stream. The cooled cold liquid flow after passing through the hot coil 12 is led out by a cold flow output tube 18, so that the hot coil 12 is continuously fed into the hot liquid flow, and the cooled cold liquid flow is discharged. The hot coil 12 can continuously heat the air-conditioning system 14. The cold-flow output pipe 18 includes a first valve 22 to control the flow of the cold liquid. However, in electronics factories, there are many thermal systems that need to be cooled down, such as chillers. This ice chiller consumes the most energy in the factory system of the entire electronics factory. If the cold liquid flow generated by the heat coil 12 of the aforementioned air conditioning system 14 is not fully utilized, it will form energy, water and other resources. Significant waste. In addition, in order to cool other thermal systems in the electronics factory, additional equipment and pipelines need to be erected. In addition to wasting the cost of equipment construction, it also wastes the land space where the equipment is placed. For manufacturers, this is a serious loss. The object of the present invention is to provide an energy reuse device to solve the above problems. Summary of the invention:

574488 V. Description of the invention (3) The purpose of the present invention is to provide an energy reusing device belonging to an air conditioning system for supplying air required for a clean room, so that the cold liquid flow generated by the heat coil of the air conditioning system can be used in The cold plate of another thermal system 'generates a warm liquid flow' to save energy and water consumption, and can recycle energy, water and other resources. Another object of the present invention is to conveniently control the liquid flow with a plurality of control valves. Another object of the present invention is to complete the function of energy reuse in a more economical manner with equipment having a simpler structure and a smaller footprint. The present invention also provides a method for reusing energy, which is a method implemented by an energy reusing device belonging to an air conditioning system for supplying air required for a clean room. The energy reuse method includes the following steps. First, a heat flow input pipe is used to provide a hot liquid flow to a heat coil of the air conditioning system. After the hot liquid flow passes through the hot coil, it will cool down into a cold liquid flow. Through a cold flow output pipe, the cooled cold liquid stream passing through the hot coil is sent to the cold coil of another thermal system. After the cold liquid flow passes through the cold coil of the thermal system, it will heat up and become a warm liquid flow. The warming liquid stream is conveyed away from the cold coil via a return tube. When the temperature of the temperature-returning liquid flow exceeds a predetermined temperature, the temperature-returning liquid flow can be adjusted by a second guide tube connecting the heat flow input pipe and the return pipe.

Page 7 574488 V. Description of the invention (4) The temperature-returning liquid stream in the flow pipe is conveyed into the heat coil of the air conditioning system, wherein the second guide pipe has a fifth valve to control the liquid in the second guide pipe Circulation. When the temperature of the temperature-returning liquid stream does not exceed a predetermined temperature, the temperature-returning liquid stream in the return pipe passes through the return pipe to lead out the energy recycling device. When the cold coil of the thermal system does not require the cold liquid flow in the cold flow output pipe, the cold liquid in the cold flow output pipe is connected by a first guide pipe connecting the cold flow output pipe and the return pipe The flow is conveyed into the return pipe to lead out the energy recycling device, wherein the first guide pipe has a sixth valve to control the flow of the liquid flow in the first guide pipe. Therefore, according to the energy recycling device of the present invention, according to the actual situation, multiple control valves can be used to adjust the flow direction of the hot liquid flow, cold liquid flow, and warm liquid flow, thereby saving energy and water. Recycle energy, water and other resources, and use simple, economical equipment to complete the function of energy reuse. The advantages and spirit of the present invention can be further understood through the following detailed description of the invention and the accompanying drawings. Embodiment: Please refer to FIG. 2, which is a schematic view of the energy recycling device 30 of the present invention. The present invention provides an energy reusing device 30, which is an energy reusing device 30 used in an air conditioning system 14 required for a clean room, wherein the air conditioning system 14 is used to supply a required clean room. air. Re-Energy

Page 574488 V. Description of the invention (5) The device 3 0 includes a heat flow input pipe 3 2, a cold flow output pipe 3 4 a return pipe 36, a pump 56, a first guide pipe 38, and a second The heat conduction input pipe 32 is used to heat the coil 12, the heat input pipe 3 2 is a heating system 54, such as a boiler, and the valve 4 2 is used to control the size of the heat input pipe 32. The hot liquid flows through the hot plate cold flow output pipe 3 4 to cool the hot air that is transported to another heat system 62. Among them, the hot air can pass through the cold coil 58 and pass through the cold plate of the hot system 62. Tube 5 8 Among them, the cold flow output pipe 34 has a flow of the cold liquid flow or not, and the warmed liquid flow is transported away from the cold plate to open the warmed liquid flow of the cold coil 5 8 and returned to the heating system 54. 1 2 for reuse. Pumps 5 and 6 can also be adjusted to have a temperature return in these pipes to provide a hot liquid flow to the air conditioning system 14. The liquid flow is supplied from an inlet pipe 3 2 and has a second flowing heat in which heat is transmitted. After the hot liquid flow tube 12, it will overheat the coil 12 and the cold coil 58. After the increase, the third flow tube 58 can be used to guide the liquid flow fan 60. When the temperature is lowered, the valve 4 6 is increased in size. Among them, a large fourth valve 50 and a first valve 5 2 which can send back the amount of air to assist the amount are derived, whether the flow of the liquid flow is circulated or not, and the size of the flow. Use the flow to reduce the temperature and then reduce the pressure to make the effect of the push become the control of the backflow source and then adjust the system and other small tubes to control the flow of heat > Yingzhi thermal system thermal system. One-time cold flow tube 36 The tube 36 utilizes one of the fourteenth systems to return to flow and cold liquid flow. The cold liquid flow, the cold liquid flow in the system 62, the warm liquid flow in the system 62, the output pipe 34 is used to transport the hot coil liquid flow return pipe 3 6 from the device 30, the pipe 3 6 The

574488 V. Description of the invention (6) The first guide pipe 3 8 is used to connect the cold flow output pipe 3 4 and the return pipe 3 6 so that the cold liquid flow in the cold flow output pipe 3 4 can be sent to the return pipe 3 6 , And then remain in the heating system 54, but the energy recycling device 30 may be discharged. The first guide tube 38 has a sixth valve 48 to control the flow of the liquid flow in the first guide tube 38 and the size of the flow. The second guide pipe 40 is used to connect the heat flow input pipe 32 and the return pipe 36, so that the temperature-returning liquid flow in the return pipe 36 is sent to the heat flow input pipe 3 2 to enter the heat plate of the air conditioning system 14 Tube 12, wherein the second guide tube 40 has a fifth valve 44 to control the flow of the liquid flow in the second guide tube 40 and the size of the flow, wherein the first-guide tube 38 and the second guide tube 40 are connected The connection of the return pipe 36 is located between the fourth valve 50 and the first valve 52. The energy recycling device 30 described above, wherein if the temperature of the temperature-returning liquid flow exceeds a predetermined temperature, the return pipe 36 can pass through the fifth valve 4 4 of the second guide pipe 40 to flow to the air-conditioning system 1 4 The heating coil 12 is used for the heating coil 12. If the temperature of the temperature-returning liquid flow does not exceed a predetermined temperature, it means that the temperature of the temperature-returning liquid flow is not suitable for use in the heating coil 12 of the air-conditioning system 14, and then the first valve 5 2 of the return-flow pipe 3 6 In order to derive the energy reuse device 30 and introduce it into the heating system 54, heat the temperature-returning liquid flow above the predetermined temperature, and then input the heat coil 12 of the air conditioning system 14 through the heat flow input pipe 32, This can also save part of the energy consumption. In addition, if the cold coil 58 of the thermal system 62 does not need the cold liquid flow in the cold flow output pipe 34, or when only a part of the cold liquid flow is required, the cold liquid flow

Page 10 574488 V. Description of the invention (7) ^ or part of the cold liquid flow can pass through the cold flow output pipe 3 4 through the sixth valve 4 8 of the first guide pipe 3 8 to flow to the return pipe 3 6 and pass through the first The valve 52 is used to derive the energy reuse device 300. Please refer to FIG. 3, which is a flowchart of the energy reuse method of the present invention. The present invention is also an energy reuse method implemented by the aforementioned energy reuse device 30. The energy reuse method of the present invention is used in an energy recycling device 30 belonging to an air conditioning system 14 required for a clean room, wherein the air conditioning system 14 is used to supply air required for a clean room. The energy reuse method includes the following steps: ^ Step S 0 2: A hot liquid flow is provided to the heat coil 12 of the air conditioning system 14 through a heat flow input pipe 32, and the heat flowing through the heat flow input pipe 32 is provided. The liquid stream can be supplied from a heating system 5 4 such as a steel furnace. The heat flow input pipe 32 has a second valve 42 to control the flow of the hot liquid flow in the heat flow input pipe 32. Step S 0 4: After the hot liquid flow passes through the hot coil 12, the temperature will be reduced to a cold liquid flow. Step S06: It is judged whether the cold coil 58 of the thermal system 62 needs a cold flow. The cold liquid flow in the φ outlet pipe 34 is required. Step S08: if the result of step S06 is no, the cold flow is output through a connection

Page 11 574488 V. Description of the invention (8) The first guide pipe 38 of the pipe 3 4 and the return pipe 36 conveys the cold liquid flow in the cold flow output pipe 34 into the return pipe 36 to export energy for reuse. The device 30, wherein the first guide pipe 38 has a sixth valve 48 to control the flow of liquid in the first guide pipe 38. Step S1 0: If YES in step S06, the cold liquid stream cooled by the hot coil 12 is sent to the cold coil 5 8 of another thermal system 62 through a cold flow output pipe 3 4, among which The cold flow output pipe 34 has a third valve 4 6 to control the flow of the cold liquid flow in the cold flow output pipe 34. Step S 1 2: After the cold liquid flow passes through the cold coils 5 8 of the thermal system 62, the temperature will rise to a warm liquid flow. Step S 1 4: The temperature-returning liquid stream is conveyed away from the cold coil 5 8 through a return pipe 36, wherein the return pipe 36 has a fourth valve 50 and a first valve 52 to control the return pipe. The circulation of the warming liquid flow in 36. Step S 1 6: Determine whether the temperature of the temperature-returning liquid flow exceeds a predetermined temperature. Step S 1 8 · If the temperature of the temperature-returning liquid flow exceeds a predetermined temperature, a second guide tube 40 connecting the heat flow input pipe 32 and the return pipe 36 may be used to return the return pipe 36 The temperature-returned liquid stream is conveyed into the heat coil 12 of the air-conditioning system 14, wherein the second guide pipe 40 has a fifth width 44 for controlling

Page 12 574488 V. Description of the invention (9) Liquid flow in the second guide pipe 40. Step S 2 0: If the temperature of the temperature-returning liquid stream does not exceed a predetermined temperature, the temperature-returning liquid stream in the return pipe 36 is passed through the return pipe 36 to derive the energy reuse device 30, and further, Introduce the heating system 54 to heat the temperature-returning liquid stream above the predetermined temperature, which can also save part of the energy consumption. The first guide pipe 38 and the second guide pipe 40 are connected to the connection of the return pipe 36. It is located between the fourth valve 50 and the first valve 52. As in the aforementioned energy reuse method, a pump 56 can be used in the energy reuse method to assist the flow of liquid in the pipes. The control modes of several valves and their effects are exemplified as follows: (1) Use a constant flow pump 56. At this time, the first valve 5 2, the second valve 4 2, the third valve 46 and the fourth valve 50 are opened, and the fifth valve 44 and the sixth valve 48 are closed at the same time. At this time, the hot coil 1 The cold liquid stream 2 flowing out will flow into the cold coil 5 8 in another thermal system 62 to form a warming liquid stream and flow into the return pipe 36. In the foregoing, if the flow for determining the flow is long enough, the pump 56 may not be required to assist the flow. (2) Using the variable-flow gang Pan 5 6 and installing it on the cold-flow output pipe 3 4 can effectively and accurately control the temperature of the air to be sent to the clean room. At this time, if the first valve 5 2, the second valve 4 2, the third valve 4 6 and the fourth valve

Page 13 574488 V. Description of the invention (o) 50 and the sixth valve 48 are opened, and the fifth valve 44 is closed at the same time, so that the cold liquid flowing from the hot coil 12 has the first guide pipe 38 and Cold flow output pipe 3 4 Two pipes can flow. If the cold coil 5 8 in another thermal system 6 2 needs more cold liquid flow, the variable flow pump 5 6 will increase the cold flow output pipe 3 4 The liquid flow in the medium increases the amount of cold liquid passing through the cold coil 5 8, and the remaining cold liquid flows through the first guide tube 38 to the return tube 36. Conversely, if the cold coil 5 8 in the other thermal system 62 needs less cold liquid flow, the variable flow pump 5 6 will reduce the liquid flow in the cold flow output tube 3 4 and make it pass through the cold coil 5 8 The cold liquid flow is reduced, and the remaining cold liquid flow also flows through the first guide pipe 38 to the return pipe 36. (3) Must use pump 56. If the third valve 46, the fourth valve 50, and the fifth valve 44 are opened, and the first valve 52, the second valve 42, and the sixth valve 48 are closed, the heat coil 1 of the air conditioning system 14 The cold liquid flow generated by 2 will be circulated with the warm liquid flow generated by the cold coil 5 8 of another thermal system 62 to achieve a two-way energy saving effect of a closed cycle. Therefore, according to the energy recycling device of the present invention, according to the actual situation, multiple control valves can be used to adjust the flow direction of the hot liquid flow, cold liquid flow, and warm liquid flow, thereby saving energy and water. Recycle energy, water and other resources, and use simple, economical equipment to complete the function of energy reuse. With the detailed description of the above preferred embodiments, it is hoped that

Page 14 574488 V. Description of the invention (11) To describe the features and spirit of the present invention, rather than to limit the scope of the present invention with the preferred specific embodiments disclosed above. On the contrary, the intention is to cover various changes and equivalent arrangements within the scope of the patent application for which the present invention is intended. < 1

Page 15 574488 Brief description of the drawings Figure 1 is a schematic diagram of a conventional air conditioning system; Figure 2 is a schematic diagram of an energy reuse device of the present invention; and Figure 3 is a flowchart of an energy reuse method of the present invention. Symbols of the drawings: 2, 3: Filter 4: Fan 6: Preheating coil 8: Humidification system

Page 16 10 Cold coil 12 Coil coil 14 Air-conditioning system 16 Flow input pipe 18 Cold flow output pipe 20 Second valve 22 No. — valve 30 Energy recycling device 32 Heat flow input pipe 34 Cold flow output pipe 36 Return pipe 38 No. One guide pipe 40 second guide pipe 42 second valve 44 fifth valve 46 second valve 48 sixth valve 50 fourth valve 5 2 first valve 54 rail adding system 56 pump 58 cold coil 6 0 fan 62 敎 * system

Claims (1)

Fan Li specially applied for installation. The energy of the air-recycling source is%, and the room dust items should not be used to empty the system. 574488 6. Application for patent scope 1, an energy recycling device belonging to an air-conditioning system, the energy-recycling device The utilization device includes: a heat flow input pipe for providing a hot liquid flow to a heat coil of the air-conditioning system, and the hot liquid flow passing through the hot coil will cool down into a cold liquid flow; a cold flow output pipe for The cold liquid stream that has cooled down after passing through the hot coil is sent to the cold coil of a heating system. After passing through the cold coil of the thermal system, the cold liquid stream will rise to become a warm liquid stream; a return pipe for Sending the warmed liquid stream away from the cold coil; a first guide pipe for connecting the cold flow output pipe and the return pipe, wherein the first guide pipe has a sixth valve to control the liquid in the first guide pipe And a second guide pipe for connecting the heat flow input pipe and the return pipe, wherein the second guide pipe has a fifth valve to control the liquid flow in the second guide pipe. 3. The energy reuse device as described in item 1 of the scope of the patent application, wherein the heat liquid flow flowing through the heat flow input pipe is supplied from a heating system. 4. The energy reuse device as described in item 3 of the scope of the patent application, wherein the temperature returning liquid stream transported by the return pipe leaving the cold coil can be derived Page 17 574488 VI. Scope of patent application Energy reuse device is installed in the heating system. 5. The energy reusing device described in item 1 of the scope of the patent application, the energy reusing device further includes a pump to assist the liquid flow in the tubes and regulate the liquid flow in the tubes. 6. The energy recycling device according to item 1 of the scope of the patent application, wherein the heat flow input pipe has a second valve to control the flow of the hot liquid flow in the heat flow input pipe, and the cold flow output pipe has a third A valve to control the flow of the cold liquid flow in the cold flow output pipe, the return pipe having a fourth valve and a first valve to control the flow of the warm liquid flow in the return pipe, the first guide pipe and The connection between the second guide pipe and the return pipe is located between the fourth valve and the first valve. 7. The energy recycling device as described in item 6 of the scope of patent application, wherein when the temperature of the temperature-returning liquid flow exceeds a predetermined temperature, the return pipe can pass through the fifth valve of the second guide pipe to flow to the air conditioner. Hot coil of the system. 8. The energy recycling device as described in item 6 of the scope of patent application, wherein when the temperature of the temperature-returning liquid stream does not exceed a predetermined temperature, the fourth valve and the first valve of the return pipe can be used to derive the energy. Reuse device. 9. The energy reuse device as described in item 6 of the scope of patent application, wherein Page 574488 VI. Scope of patent application If the cold coil of the heating system does not need the cold liquid flow in the cold flow output tube, the cold liquid flow can pass through the cold flow output tube through the sixth of the first guide tube. A valve to flow to the return pipe and pass through the first valve to lead out the energy reuse device. The liquid direction is a six-flow liquid source system; cold conduction, the first liquid-cooled energy system, one tube, one cold one, the temperature of the liquid, and one air-cooled tube, one drop, one tube, and one tube. Behind the pipe, the inflow and outflow are guided back to the pipe with a stream of temperature. When the liquid is cooled in the plate, the hot liquid will be sent and the heat will be reheated, and the source will be cooled. Need to flow through the tube fluid; if the tube does not produce cold liquid, the tube needs to belong to :, coil, tube, tube, coil, hot coil, coil, coil, step into the cold tube One to the cold output, the one to be used, the one to be used, the one to be used, the one to be used, the one to be used, the one to be used, the one to be used, the one to be used to contain heat, the other to be used, and the cold and hot air to be used, and the liquid heat must be taken from the cold source, the heat, and the method. By the heat, the energy can be controlled by the other, the party should be in charge of the right, the control should be loaned and used when the disk, out, lose 10 profit heat flow tube pilot valve flow One; even if it is back, it is a tube. The plate is made by borrowing the medium temperature cold. The tube can be heated. When the disk is opened, the tube is heated. One empty page on its French side. The source of using gas to recharge the air must be able to describe all the items in the room. The application should be covered by the general rules of use. Please refer to the application for adjustment, such as 574488. 6. The second guidance in the scope of patent application. The tube has a fifth valve to control the flow of liquid flow in the second guide tube. When the temperature of the temperature returning liquid flow does not exceed a predetermined temperature, the temperature returning liquid flow in the return tube is led out through the return tube. This energy reuse device. 1 2. The method of energy reuse as described in item 10 of the scope of patent application, wherein the heat liquid flow flowing through the heat flow input pipe is supplied from a heating system 0 1 3. As described in item 12 of the scope of patent application The energy reuse method described above, wherein the temperature-returning liquid stream transported by the return pipe away from the cold coil can lead the energy reuse device to the heating system. 14. The energy reuse method as described in item 10 of the scope of patent application, the energy reuse method further includes a pump to assist the liquid flow in the tubes and regulate the liquid flow in the tubes . 15. The energy reuse method as described in item 10 of the scope of patent application, wherein the heat flow input pipe has a second valve to control the flow of the hot liquid flow in the heat flow input pipe, and the cold flow output pipe has a Third valve to control the cold Page 20 574488 Sixth, the scope of the patent application The flow of the cold liquid flow in the output pipe, the return pipe has a fourth valve and a first valve to control the circulation of the return liquid in the return pipe, the. The connection between the first guide pipe and the second guide pipe connected to the return pipe is located between the fourth valve and the first valve. 16. An energy recycling method belonging to an air conditioning system, the energy recycling method includes the following steps: a hot liquid stream is flowed into a heat coil of the air conditioning system; the hot liquid stream will cool down after passing through the hot coil Forming a cold liquid stream; introducing the cold liquid stream into a cold coil of a thermal system and exporting the energy reuse device; the cold liquid stream passing through the cold coil of the thermal system will heat up into a warm liquid stream, and The temperature-returning liquid flow is respectively introduced into a heat coil of the air-conditioning system and led out of the energy reuse device. The air conditioning system is used to supply the air required for the clean room in the energy reuse method described in item 16 of the scope of patent application. 18. The hydrothermal flow in the energy reuse method described in item 16 of the scope of patent application is supplied to the heating system. 19. The energy reuse method as described in item 18 of the scope of the patent application, wherein the return temperature liquid flow and cold liquid flow of the energy reuse device are derived. Page 21 574488 6. Scope of patent application Introduce this heating system. 20. The energy reuse method as described in item 16 of the scope of patent application, the energy reuse method further includes a pump to assist the flow of the liquid flow and adjust the liquid flow of the liquid flow. « Page 22