CN214065050U - Air compressor waste heat recovery and ground source heat pump combined heat supply system - Google Patents
Air compressor waste heat recovery and ground source heat pump combined heat supply system Download PDFInfo
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- CN214065050U CN214065050U CN202023071666.6U CN202023071666U CN214065050U CN 214065050 U CN214065050 U CN 214065050U CN 202023071666 U CN202023071666 U CN 202023071666U CN 214065050 U CN214065050 U CN 214065050U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model discloses a system of air compressor machine waste heat recovery and ground source heat pump combined heat supply, include: an air compressor; the waste heat recovery device and the air compressor form a first loop; the heat exchanger also forms a second loop with the heat supply end of a user, and valves are arranged on the inlet side and the outlet side of the second loop; the heat absorption device is used for absorbing heat generated by the air compressor; the ground source heat pump ground source well and the waste heat recovery device form a third loop, and valves are arranged on the inlet side and the outlet side of the third loop; the ground source heat pump unit and a ground source well of the ground source heat pump form a fourth loop, and valves are arranged on the inlet side and the outlet side of the fourth loop; the heat exchanger and the user heat supply tail end form a fifth loop; and the control device is used for controlling the opening and closing of each valve so as to realize the switching of two working states. The problems that the waste heat recovery application efficiency of the air compressor of the industrial enterprise is low and the soil heat of the ground source heat pump is unbalanced in winter and summer due to the fact that heat supply is needed only in winter are solved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to warm logical system design field, concretely relates to air compressor machine waste heat recovery and ground source heat pump combined heat supply's system.
[ background of the invention ]
In recent years, ground source heat pump systems are increasingly widely applied in the field of cooling and heating due to cleanness, reproducibility and good economic benefit. Screw air compressors are widely applied in industrial enterprises in many places, and a good energy-saving effect can be achieved by recovering the cooling heat of the air compressors. However, in many cases, industrial enterprises only need winter heat supply, and the continuous cooling heat of the air compressor can be wasted only in summer and transition seasons, so that the application of the ground source heat pump in the places only needing winter heat supply is greatly limited due to the unbalanced soil heat in winter and summer.
[ Utility model ] content
The utility model aims at providing a system of air compressor machine waste heat recovery and ground source heat pump combined heating to solve the industrial enterprise air compressor machine waste heat recovery application inefficiency that only has the heat supply demand in winter, the unbalanced problem of ground source heat pump soil heat in winter and summer.
The utility model adopts the following technical scheme: the utility model provides a system that air compressor machine waste heat recovery and ground source heat pump unite heat supply, includes:
an air compressor;
the waste heat recovery device and the air compressor form a first loop; the heat exchanger also forms a second loop with the heat supply end of a user, and valves are arranged on the inlet side and the outlet side of the second loop; the heat absorption device is used for absorbing heat generated by the air compressor;
the ground source heat pump ground source well and the waste heat recovery device form a third loop, and valves are arranged on the inlet side and the outlet side of the third loop;
the ground source heat pump unit and a ground source well of the ground source heat pump form a fourth loop, and valves are arranged on the inlet side and the outlet side of the fourth loop; the heat exchanger and the user heat supply tail end form a fifth loop;
a control device, which is used for controlling the opening and closing of each valve to realize the switching of the following two working states:
connecting a loop of the waste heat recovery device and the ground source well of the ground source heat pump, and closing the rest valves to transfer heat in the waste heat recovery device to the ground source well of the ground source heat pump;
or the loop of the ground source heat pump unit and the ground source heat pump well, the loop of the waste heat recovery device and the loop of the user heat supply tail end are connected, and other valves are closed so as to transfer the heat in the waste heat recovery device to the user heat supply tail end, and the heat in the ground source heat pump well is transferred to the user heat supply tail end through the ground source heat pump unit.
Furthermore, the waste heat recovery device is an oil type water heater or an oil-gas type water heater, the single-oil type water heater is a device for generating hot water by the cooling oil entering unit and the water heat exchange of the screw air compressor, and the oil-gas type water heater is a device for generating hot water by the cooling oil entering unit and the water heat exchange of the screw air compressor and the high-temperature compressed air.
Furthermore, each valve is an electric valve, a manual valve, a butterfly valve, a gate valve, a stop valve or a ball valve.
Further, the air compressor is an air-cooled screw air compressor or a water-cooled screw air compressor.
The utility model has the advantages that: the utility model discloses need not increase system's equipment, only realize air compressor machine waste heat recovery and ground source heat pump system combined operation through system capacity matching design and pipe connection, solved only the industrial enterprise air compressor machine waste heat recovery application inefficiency of winter heat supply demand, the unbalanced problem of ground source heat pump winter and summer soil heat. The system has the advantages of simple system, convenient construction and low cost; the long-term stability of the operation of the air compressor waste heat recovery system and the ground source heat pump system is improved, the energy utilization efficiency and the economical efficiency of a single system are greatly improved, and waste heat, complementary energy and renewable energy are fully utilized.
[ description of the drawings ]
Fig. 1 is the utility model relates to a system architecture diagram of air compressor machine waste heat recovery and ground source heat pump combined heat supply's system.
In the figure, 1, an air compressor; 2. a waste heat recovery device; 3. a ground source heat pump ground source well; 4. a ground source heat pump unit; 5, a user heat supply terminal; 6. a sixth valve; 7. a valve seventh; 8. a valve eighth; 9. a ninth valve; 10. a valve ten; 11. and a valve eleven.
[ detailed description ] embodiments
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a system of air compressor machine waste heat recovery and ground source heat pump combined heating, supply valve six 6 and valve eight 8 that the return water switches usefulness including air compressor 1, waste heat recovery device 2, ground source heat pump ground source well 3, ground source heat pump unit 4, user heat supply end 5, the operating mode in winter, the operating mode supplies valve seven 7 and valve nine 9 that the return water switches usefulness, the ground source side supplies valve ten 10 and valve eleven 11 that the return water switches usefulness.
Wherein the air compressor 1 generates cooling heat in a state of operating throughout the year. The air compressor is an air-cooled screw air compressor or a water-cooled screw air compressor. Each valve is an electric valve, a manual valve, a butterfly valve, a gate valve, a stop valve or a ball valve. The waste heat recovery device 2 is an oil type water heater or an oil-gas type water heater, the single-oil type water heater is a device for generating hot water by enabling cooling oil of the screw air compressor to enter the unit and exchanging heat with water, and the oil-gas type water heater is a device for generating hot water by enabling the cooling oil of the screw air compressor and high-temperature compressed air to enter the unit and exchanging heat with water.
A waste heat recovery device 2 that forms a first circuit with the air compressor 1; the heat supply device also forms a second loop with a user heat supply tail end 5, valves are arranged on the inlet side and the outlet side of the second loop, and the two valves are respectively a valve six 6 and a valve eight 8; the waste heat recovery device 2 is used for absorbing heat generated by the air compressor 1;
the ground source heat pump ground source well 3 and the waste heat recovery device 2 form a third loop, valves are arranged on the inlet side and the outlet side of the third loop, and the two valves are respectively a valve seven 7 and a valve nine 9.
The ground source heat pump unit 4 and the ground source heat pump well 3 form a fourth loop, valves are arranged on the inlet side and the outlet side of the fourth loop, and the two valves are respectively a valve ten 10 and a valve eleven 11; it also forms a fifth loop with the user heat supply terminal 5;
the control device is used for controlling the opening and closing of each valve so as to realize the switching of the following two working states:
connecting a loop of the waste heat recovery device 2 and a ground source heat pump ground source well 3, and closing other valves to transfer heat in the waste heat recovery device 2 to the ground source heat pump ground source well 3;
or the loop of the ground source heat pump unit 4 and the ground source heat pump well 3, the loop of the waste heat recovery device 2 and the user heat supply terminal 5 are connected, and the rest valves are closed, so that the heat in the waste heat recovery device 2 is transferred to the user heat supply terminal 5, and the heat in the ground source heat pump well 3 is transferred to the user heat supply terminal 5 through the ground source heat pump unit 4.
The utility model relates to a control method of air compressor machine waste heat recovery and ground source heat pump combined heat supply's system:
s1, absorbing heat generated by the air compressor 1 by the waste heat recovery device 2;
s2, if it is winter, the waste heat recovery device 2 transfers the heat to the user heat supply terminal 5; meanwhile, the ground source heat pump well 3 transfers heat to a user heat supply tail end 5 through the ground source heat pump unit 4;
in summer, the waste heat recovery device 2 transfers the heat absorbed by the waste heat recovery device from the air compressor 1 to the ground source heat pump well 3.
The purpose of controlling the opening and closing of the various valves is: absorbing heat generated by the air compressor 1 by using a waste heat recovery device 2; and transferring the heat to the ground source heat pump ground source well 3 in summer or to the user heat supply terminal 5 in winter; and receiving the heat transferred from the ground source heat pump unit 2 in summer by using the ground source heat pump well 3, or transferring the heat to a user heat supply terminal 5 through the ground source heat pump unit 4 in winter. The problems that the waste heat recovery application efficiency of the air compressor of the industrial enterprise is low and the soil heat of the ground source heat pump is unbalanced in winter and summer due to the fact that heat supply is needed only in winter are solved. The utility model discloses need not increase system's equipment, only realize air compressor machine waste heat recovery and ground source heat pump system combined operation through system capacity matching design and pipe connection, solved only the industrial enterprise air compressor machine waste heat recovery application inefficiency of winter heat supply demand, the unbalanced problem of ground source heat pump winter and summer soil heat. The system has the advantages of simple system, convenient construction and low cost; the long-term stability of the operation of the air compressor waste heat recovery system and the ground source heat pump system is improved, the energy utilization efficiency and the economical efficiency of a single system are greatly improved, and waste heat, complementary energy and renewable energy are fully utilized.
The cooling heat of the air compressor 1 exchanges heat with the water supply of a user heat supply tail end 5 or a ground source heat pump ground source well 3 through a waste heat recovery device 2; the ground source heat pump unit 4 supplies heat to the heat supply end of the user by absorbing heat from the ground source 3 of the ground source heat pump.
In winter, the water supply and return switching valve six 6 and the valve eight 8 are opened in winter, the water supply and return switching valve seven 7 and the valve nine 9 are closed in summer, the water supply and return switching valve ten 10 and the valve eleven 11 on the ground source side are opened, the waste heat recovery device 2 absorbs heat from the air compressor, and the ground source heat pump unit 4 extracts heat from the ground source heat pump well and supplies heat to the heat supply tail end 5 of the user.
In the summer working condition, the water supply and return switching valve six 6 and the valve eight 8 are closed in the winter working condition, the water supply and return switching valve seven 7 and the valve nine 9 are opened in the summer working condition, the water supply and return switching valve ten 10 and the valve eleven 11 on the ground source side are closed, and the waste heat recovery device 2 absorbs heat from the air compressor and releases the heat to the ground source heat pump ground source well 3.
Through the matching of the design capacities of the system waste heat recovery device 2 and the ground source heat pump unit 4, the purposes of extracting heat from the ground source well of the ground source heat pump in winter and releasing heat to the ground source well of the ground source heat pump in summer under the working condition to achieve soil heat balance are achieved.
Claims (4)
1. The utility model provides a system that air compressor machine waste heat recovery and ground source heat pump unite heat supply which characterized in that includes:
an air compressor (1);
the waste heat recovery device (2) and the air compressor (1) form a first loop; the system also forms a second loop with a user heat supply tail end (5), and valves are arranged on the inlet side and the outlet side of the second loop; for absorbing heat generated by the air compressor (1);
the ground source heat pump ground source well (3) and the waste heat recovery device (2) form a third loop, and valves are arranged on the inlet side and the outlet side of the third loop;
the ground source heat pump unit (4) and the ground source heat pump well (3) form a fourth loop, and valves are arranged on the inlet side and the outlet side of the fourth loop; it also forms a fifth circuit with the user heating terminal (5);
a control device, which is used for controlling the opening and closing of each valve to realize the switching of the following two working states:
connecting a loop of the waste heat recovery device (2) and a ground source heat pump ground source well (3), and closing other valves to transfer heat in the waste heat recovery device (2) to the ground source heat pump ground source well (3);
or a loop of the ground source heat pump unit (4) and the ground source heat pump well (3) is connected, a loop of the waste heat recovery device (2) and the user heat supply tail end (5) is closed, and other valves are closed so as to transfer heat in the waste heat recovery device (2) to the user heat supply tail end (5), and heat in the ground source heat pump well (3) is transferred to the user heat supply tail end (5) through the ground source heat pump unit (4).
2. The system for combined heat supply of air compressor waste heat recovery and ground source heat pump as claimed in claim 1, wherein the waste heat recovery device (2) is a single oil type water heater or an oil gas type water heater, the single oil type water heater is a device for generating hot water by screw type air compressor cooling oil inlet unit and water heat exchange, and the oil gas type water heater is a device for generating hot water by screw type air compressor cooling oil and high temperature compressed air inlet unit and water heat exchange.
3. The system for air compressor waste heat recovery and ground source heat pump combined heating as claimed in claim 1 or 2, wherein each valve is an electric valve, a manual valve, a butterfly valve, a gate valve, a stop valve or a ball valve.
4. The system for recovering the waste heat of the air compressor and supplying heat by combining the ground source heat pump as claimed in claim 3, wherein the air compressor (1) is an air-cooled screw air compressor or a water-cooled screw air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023071666.6U CN214065050U (en) | 2020-12-18 | 2020-12-18 | Air compressor waste heat recovery and ground source heat pump combined heat supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023071666.6U CN214065050U (en) | 2020-12-18 | 2020-12-18 | Air compressor waste heat recovery and ground source heat pump combined heat supply system |
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| CN214065050U true CN214065050U (en) | 2021-08-27 |
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| CN202023071666.6U Active CN214065050U (en) | 2020-12-18 | 2020-12-18 | Air compressor waste heat recovery and ground source heat pump combined heat supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023128774A1 (en) * | 2021-12-31 | 2023-07-06 | Asfi Spółka Z O.O. | The system and the method for recovery of waste heat energy contained in oil in an oil-cooled air compressor |
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2020
- 2020-12-18 CN CN202023071666.6U patent/CN214065050U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023128774A1 (en) * | 2021-12-31 | 2023-07-06 | Asfi Spółka Z O.O. | The system and the method for recovery of waste heat energy contained in oil in an oil-cooled air compressor |
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