CN212057827U - Waste steam and waste heat recovery type class II heat pump - Google Patents
Waste steam and waste heat recovery type class II heat pump Download PDFInfo
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- CN212057827U CN212057827U CN202020361102.7U CN202020361102U CN212057827U CN 212057827 U CN212057827 U CN 212057827U CN 202020361102 U CN202020361102 U CN 202020361102U CN 212057827 U CN212057827 U CN 212057827U
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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 belongs to the technical field of air conditioning equipment, a two types of heat pumps of exhaust steam waste heat recovery type is disclosed, including absorber, evaporimeter, condenser, regenerator, still include the exhaust steam condensate tank, evaporimeter and regenerator are connected with the exhaust steam condensate tank through the pipeline respectively, and the exhaust steam inlet pipeline that evaporimeter and regenerator are connected is connected with the exhaust steam condensate tank respectively, is equipped with the evacuation system pipeline on the exhaust steam condensate tank. The utility model discloses can directly utilize chemical industry reaction unit, power plant's steam turbine, iron and steel to dash chemical industry such as cinder water, energy, power, the exhaust steam that the metallurgical industry produced to carry out the heat as the low temperature drive heat source of two types of heat pumps and prepare the warm water of higher temperature, effectively retrieve the waste heat of exhaust steam, simplify simultaneously greatly and reduced the investment of system.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, the utility model particularly relates to a two types of heat pumps of exhaust steam waste heat recovery type mainly is applied to chemical industry, energy, power, metallurgical industry's waste heat recovery field such as chemical industry reaction unit, power plant's steam turbine, steel towards slag water.
Background
With the increasing shortage of energy sources, the energy-saving problem becomes the focus of global attention nowadays. While the new energy is actively developed, the recycling and utilization of waste heat resources are more and more emphasized, and the efficient utilization of the waste heat resources is also an effective way for solving the energy shortage. A large amount of low-temperature exhaust steam waste heat resources exist in a plurality of industrial fields, and the chemical industry, the energy, the power and the metallurgical industry such as a chemical reaction device, a power plant steam turbine, steel slag flushing water and the like all contain huge exhaust steam waste heat resources, so that if the resources are not utilized, the resources are wasted. At present, only some areas are used for heating in winter, but the effective utilization rate of waste steam and waste heat is very low, which wastes energy and pollutes the surrounding environment. How to efficiently recycle the exhaust steam waste heat resources has important practical significance for improving the energy utilization rate and reducing the environmental pollution.
Disclosure of Invention
For solving the above problem, the utility model provides a two types of heat pumps of exhaust steam waste heat recovery type can directly utilize the exhaust steam to carry out the heat and prepare the warm water of higher temperature as the low temperature drive heat source of two types of heat pumps, has effectively retrieved the waste heat of exhaust steam, simplifies greatly simultaneously and has reduced the investment of system.
The utility model provides a technical scheme that its technical problem adopted is: provides a waste steam and waste heat recovery type class II heat pump, which comprises an absorber, an evaporator, a condenser, a regenerator and a waste steam condensation water tank; wherein the condenser is connected with the regenerator, the absorber is connected with the evaporator, and the condenser is connected with the cooling water inlet pipeline and the cooling water outlet pipeline; the absorber is connected with the high-temperature water inlet pipeline and the high-temperature water outlet pipeline; the evaporator is connected with a dead steam inlet pipeline A and a dead steam condensation water pipeline A; the regenerator is connected with a dead steam inlet pipeline B and a dead steam condensation water pipeline B.
The waste steam condensation water tank is connected with the evaporator through a waste steam condensation water pipeline A, the waste steam condensation water tank is connected with the regenerator through a waste steam condensation water pipeline B, and the waste steam condensation water tank, the waste steam condensation water pipeline C and the waste steam condensation water outlet pipeline are sequentially connected.
And a check valve is arranged on the exhaust steam condensate outlet pipeline and is used for preventing the exhaust steam condensate from flowing back to the heat pump unit when the second-class heat pump stops running.
A condensate discharging pump is arranged between the exhaust steam condensate pipeline C and the exhaust steam condensate outlet pipeline; the exhaust steam condensation water tank is connected with the condensate discharging pump through an exhaust steam condensation water pipeline C.
The exhaust steam condensation water tank is arranged at the tail end of the externally connected exhaust steam system and is provided with a vacuum pumping system pipeline.
When the exhaust steam flows in the system pipeline, the exhaust steam condensate water generated by pipeline condensation converges to the exhaust steam condensate water tank and is discharged out of the unit through a condensate discharge pump.
The waste steam condensate tank is provided with a liquid level electrode for controlling the start and stop of the condensate discharging pump and frequency conversion control, so that waste steam condensate and waste steam condensate collected in the waste steam condensate tank can be discharged out of the unit through the condensate discharging pump smoothly.
Compared with the prior art, the utility model beneficial effect who has is: the exhaust steam can be directly introduced into the evaporator and the regenerator to be used as a low-temperature driving heat source of the second-class heat pump to heat and prepare warm water with higher temperature, so that the direct recycling of the waste heat of the exhaust steam is realized. The exhaust steam is subjected to heat exchange by the evaporator and the regenerator to form exhaust steam condensate water, and the exhaust steam condensate water generated by pipeline condensation converges to the exhaust steam condensate water tank and is discharged out of the unit by the condensate discharge pump. In order to keep the system in a vacuum state all the time, the system is pumped through a vacuum pumping system pipeline, and meanwhile, non-condensable gas collected in the exhaust steam condensate water tank is discharged out of a heat pump unit through the vacuum pumping system pipeline, so that smooth flowing of the exhaust steam condensate water and the exhaust steam condensate water is guaranteed. The utility model discloses can directly utilize chemical industry reaction unit, power plant's steam turbine, iron and steel to dash chemical industry such as cinder water, energy, power, the exhaust steam that the metallurgical industry produced to carry out the heat as the low temperature drive heat source of two types of heat pumps and prepare the warm water of higher temperature, effectively retrieve the waste heat of exhaust steam, simplify simultaneously greatly and reduced the investment of system.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a structural diagram of an exhaust steam waste heat recovery type class two heat pump according to embodiment 1 of the present invention;
fig. 2 is a structural diagram of an exhaust steam waste heat recovery type class two heat pump according to embodiment 2 of the present invention;
in the figure: 1-an absorber, 2-an evaporator, 3-a condenser, 4-a regenerator, 5-a dead steam condensation water tank, 6-a condensate discharging pump, 7-a cooling water inlet pipeline, 8-a cooling water outlet pipeline, 9-a high-temperature water inlet pipeline, 10-a high-temperature water outlet pipeline, 11-a dead steam inlet pipeline A, 12-a dead steam condensation water pipeline A, 13-a dead steam inlet pipeline B, 14-a dead steam condensation water pipeline B, 15-a dead steam condensation water pipeline C, 16-a dead steam condensation water outlet pipeline, 17-a check valve, 18-a liquid level electrode, 19-a vacuum pumping system pipeline, 20-a dead steam condensation water pipeline A, 21-a dead steam condensation water pipeline B.
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.
Example 1
Fig. 1 shows a waste steam and waste heat recovery type second-class heat pump, which comprises an absorber 1, an evaporator 2, a condenser 3, a regenerator 4, a waste steam condensation water tank 5 and a condensate discharging pump 6, wherein the condenser 3 is connected with a cooling water inlet pipeline 7 and a cooling water outlet pipeline 8; the absorber 1 is connected with a high-temperature water inlet pipeline 9 and a high-temperature water outlet pipeline 10; the evaporator 2 is connected with a dead steam inlet pipeline A11 and a dead steam condensation water pipeline A12; the regenerator 4 is connected with a dead steam inlet pipeline B13 and a dead steam condensation water pipeline B14; the condenser 3 is connected to the regenerator 4, and the absorber 1 is connected to the evaporator 2.
The exhaust steam condensation water tank 5 is connected with the evaporator 2 through an exhaust steam condensation water pipeline A12, the exhaust steam condensation water tank 5 is connected with the regenerator 4 through an exhaust steam condensation water pipeline B14, the exhaust steam condensation water tank 5 is connected with the exhaust condensate pump 6 through an exhaust steam condensation water pipeline C15, and the exhaust condensate pump 6 is connected with an exhaust steam condensation water outlet pipeline 16. The exhaust steam directly passes through an exhaust steam inlet pipeline A11 and an exhaust steam inlet pipeline B13 and is respectively introduced into the evaporator 2 and the regenerator 4 to be used as a low-temperature driving heat source of the second-class heat pump to heat and prepare warm water with higher temperature, so that the direct recycling of the exhaust steam waste heat is realized. The exhaust steam is subjected to heat exchange through the evaporator 2 and the regenerator 4 to form exhaust steam condensate, the exhaust steam condensate is collected to the exhaust steam condensate tank 5 through the exhaust steam condensate pipeline A12 and the exhaust steam condensate pipeline B14 respectively under the action of gravity, and is discharged out of the unit through the condensate discharge pump 6.
And a check valve 17 is arranged on the exhaust steam condensate outlet pipeline 16 and is used for preventing the exhaust steam condensate from flowing back to the heat pump unit when the second-class heat pump stops running.
The exhaust steam inlet pipeline A11 is connected with the exhaust steam condensation water tank 5 through an exhaust steam condensation water pipeline 20, the exhaust steam inlet pipeline B13 is connected with the exhaust steam condensation water tank 5 through an exhaust steam condensation water pipeline B21, when exhaust steam flows in a system pipeline, exhaust steam condensate water generated by pipeline condensation converges to the exhaust steam condensation water tank 5, and is discharged out of the unit through the condensate discharge pump 6.
The waste steam condensation water tank 5 is provided with a liquid level electrode 18 for controlling the start and stop of the condensation discharge pump 6 and frequency conversion control, so that waste steam condensation water and waste steam condensation water collected in the waste steam condensation water tank 5 are smoothly discharged out of the unit through the condensation discharge pump 6.
The exhaust steam condensation water tank 5 is arranged at the tail end of an externally connected exhaust steam system and is provided with a vacuumizing system pipeline 19, the exhaust steam system is in vacuum, in order to keep the system in a vacuum state all the time, system air extraction is carried out through the vacuumizing system pipeline 19, meanwhile, non-condensable gas collected in the exhaust steam condensation water tank 5 is discharged out of a heat pump unit through the vacuumizing system pipeline 19, and smooth flowing of exhaust steam condensation water and exhaust steam condensate water is guaranteed. The exhaust steam system is externally connected with an exhaust steam system.
The second type heat pump is suitable for single-section absorption, evaporation and regeneration type second type heat pumps and is also suitable for multi-section absorption, evaporation and regeneration type second type heat pumps.
Example 2
The waste steam and waste heat recovery type heat pump shown in fig. 2 is different from the embodiment 1 in that the condensate discharging pump 6 and the liquid level electrode 18 are not provided.
The exhaust steam condensate tank 5 is directly connected with an exhaust steam condensate outlet pipeline 16, the exhaust steam condensate tank 5 is a closed condensate tank, and the exhaust steam condensate outlet pipeline 16 is laid along the water flow direction according to a certain gradient, so that exhaust steam condensate and exhaust steam condensate collected in the exhaust steam condensate tank 5 can be timely and smoothly discharged out of the unit by means of dead weight.
The second type heat pump is suitable for single-section absorption, evaporation and regeneration type second type heat pumps and is also suitable for multi-section absorption, evaporation and regeneration type second type heat pumps.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a two types of heat pumps of exhaust steam waste heat recovery type, includes absorber (1), evaporimeter (2), condenser (3), regenerator (4), and wherein condenser (3) and regenerator (4) are connected, and absorber (1) are connected with evaporimeter (2), its characterized in that: the condenser is characterized by also comprising a dead steam condensation water tank (5), wherein the condenser (3) is connected with a cooling water inlet pipeline (7) and a cooling water outlet pipeline (8); the absorber (1) is connected with a high-temperature water inlet pipeline (9) and a high-temperature water outlet pipeline (10); the evaporator (2) is connected with a dead steam inlet pipeline A (11) and a dead steam condensation water pipeline A (12); the regenerator (4) is connected with a dead steam inlet pipeline B (13) and a dead steam condensation water pipeline B (14); the exhaust steam condensation water tank (5) is connected with the evaporator (2) through an exhaust steam condensation water pipeline A (12), the exhaust steam condensation water tank (5) is connected with the regenerator (4) through an exhaust steam condensation water pipeline B (14), and the exhaust steam condensation water tank (5), the exhaust steam condensation water pipeline C (15) and an exhaust steam condensation water outlet pipeline (16) are sequentially connected.
2. The waste steam and waste heat recovery type second-class heat pump according to claim 1, characterized in that: and a check valve (17) is arranged on the dead steam condensed water outlet pipeline (16).
3. The waste steam and waste heat recovery type class II heat pump according to claim 2, characterized in that: the exhaust steam inlet pipeline A (11) is connected with the exhaust steam condensation water tank (5) through an exhaust steam condensation water pipeline (20), and the exhaust steam inlet pipeline B (13) is connected with the exhaust steam condensation water tank (5) through an exhaust steam condensation water pipeline B (21).
4. The waste steam and waste heat recovery type class II heat pump according to claim 3, characterized in that: the dead steam condensation water tank (5) is arranged at the tail end of the dead steam system and is provided with a vacuum pumping system pipeline (19).
5. The waste steam and waste heat recovery type second-class heat pump according to claim 1, characterized in that: a condensate discharging pump (6) is arranged between the exhaust steam condensate pipeline C (15) and the exhaust steam condensate outlet pipeline (16); the exhaust steam condensation water tank (5) is connected with the exhaust steam condensation pump (6) through an exhaust steam condensation water pipeline C (15).
6. The waste steam and waste heat recovery type class II heat pump according to claim 5, characterized in that: and a liquid level electrode (18) is arranged on the dead steam condensation water tank (5).
7. The waste steam and waste heat recovery type class two heat pump according to any one of claims 1-6, characterized in that: the second type heat pump is suitable for single-section absorption, evaporation and regeneration type second type heat pumps and is also suitable for multi-section absorption, evaporation and regeneration type second type heat pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020361102.7U CN212057827U (en) | 2020-03-20 | 2020-03-20 | Waste steam and waste heat recovery type class II heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020361102.7U CN212057827U (en) | 2020-03-20 | 2020-03-20 | Waste steam and waste heat recovery type class II heat pump |
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| Publication Number | Publication Date |
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| CN212057827U true CN212057827U (en) | 2020-12-01 |
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| CN202020361102.7U Active CN212057827U (en) | 2020-03-20 | 2020-03-20 | Waste steam and waste heat recovery type class II heat pump |
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| CN (1) | CN212057827U (en) |
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2020
- 2020-03-20 CN CN202020361102.7U patent/CN212057827U/en active Active
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