CN217329940U - Open heat pump coupling condenser low vacuum modified power plant heating device - Google Patents
Open heat pump coupling condenser low vacuum modified power plant heating device Download PDFInfo
- Publication number
- CN217329940U CN217329940U CN202220234981.6U CN202220234981U CN217329940U CN 217329940 U CN217329940 U CN 217329940U CN 202220234981 U CN202220234981 U CN 202220234981U CN 217329940 U CN217329940 U CN 217329940U
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- condenser
- negative feedback
- power plant
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a power plant heating device modified by an open type heat pump coupling condenser in low vacuum, which belongs to the technical field of heating devices, and comprises a two-stage absorption tower and is divided into an absorption tower A clear water spray and an absorption tower B solution spray; the heat exchange device comprises a heat exchanger A, is communicated with the interior of the absorption tower A, and clean water passing through the heat exchanger A enters the absorption tower A to spray the flue gas; and the solution storage tank enters the absorption tower B for spraying. Provide the heating water through setting up heating system, and utilize the doublestage absorption tower to retrieve the waste heat of flue gas, carry out the flue gas through the clear water on the one hand and spray, on the other hand carries out spraying of flue gas through solution, retrieves the flue gas waste heat in grades, reduces thermal waste, is equipped with the solution of enrichment facility to the inside of solution storage tank simultaneously and carries out the enrichment for the thermal efficiency of recovery that solution sprayed is higher.
Description
Technical Field
The utility model belongs to the technical field of heating system, concretely relates to power plant heating system that low vacuum of open heat pump coupling condenser was reformed transform.
Background
The basic principle of heating is that low-temperature heating medium is heated in a heat source, and after absorbing heat, the low-temperature heating medium is changed into high-temperature heating medium which is sent to the indoor through a conveying pipeline, and heat is released through a heat dissipation device to raise the indoor temperature; the temperature is reduced after heat dissipation to become a low-temperature heating medium, and the low-temperature heating medium returns to a heat source through a recovery pipeline for recycling. The circulation is continuous, so that heat is continuously sent into the room from the heat source to supplement heat loss in the room, and the room is kept at a certain temperature.
At present, condenser low vacuum modification and open absorption heat pump technologies are all one of the important technologies for waste heat heating, wherein the condenser low vacuum modification is to recover latent heat of vaporization in exhaust steam, and the open absorption heat pump is to recover latent heat of vaporization summarized by flue gas. However, the condenser low-vacuum modification technology and the open absorption heat pump technology require that the temperature of the heating water at the inlet cannot be too high, and the compatibility of the condenser low-vacuum modification technology and the open absorption heat pump technology is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low vacuum of open heat pump coupling condenser reforms transform's heating system of power plant to provide the current low vacuum of open heat pump coupling condenser reforms transform's heating system of power plant in solving above-mentioned background art in the use, flue gas waste heat recovery is difficult to the compatibility with low vacuum condenser, thereby leads to the problem that flue gas heat recovery rate is low.
In order to achieve the above purpose, the utility model provides a following technical scheme: a power plant heating device with an open type heat pump coupling condenser low vacuum transformation comprises a two-stage absorption tower, and is divided into an absorption tower A clear water spray and an absorption tower B solution spray;
the heat exchange device comprises a heat exchanger A, is communicated with the interior of the absorption tower A, and clean water passing through the heat exchanger A enters the absorption tower A to spray the flue gas;
the solution storage tank enters the absorption tower B for spraying;
the concentration device is used for carrying out concentration treatment on the solution in the solution storage tank;
and the heating device provides heating water.
Preferably, the heat exchange device further comprises a heat exchanger B installed between the solution tank and the absorption tower B and forming a reflux system.
Preferably, the concentration device comprises a heat regenerator, a separator and an evaporator, and the solution in the solution storage tank passes through the heat regenerator, the evaporator and the separator and then returns to the inside of the solution storage tank.
Preferably, the concentration device further comprises a condenser, and liquid passing through the separator enters the condenser to form steam condensate to flow out.
Preferably, the heating device comprises a negative feedback shunt device A and a low vacuum condenser, and heating water enters the low vacuum condenser through the negative feedback shunt device A and flows out of the low vacuum condenser.
Preferably, the heating device further comprises a negative feedback shunt device B, and the heating water sequentially passes through the negative feedback shunt device A, the heat exchanger A, the negative feedback shunt device B and the low vacuum condenser to provide heating water.
Preferably, the heating water also sequentially passes through the negative feedback shunt device A, the heat exchanger B, the negative feedback shunt device B and the condenser to provide the heating water.
Preferably, a temperature detection system is arranged in the heating water and is matched with the opening and closing of the negative feedback shunt device A and the negative feedback shunt device B.
Preferably, a vacuum degree detector is arranged in the low vacuum condenser and is matched with the negative feedback shunt device A and the negative feedback shunt device B to be opened and closed.
Compared with the prior art, the beneficial effects of the utility model are that:
1. provide the heating water through setting up heating system, and utilize doublestage absorption tower to retrieve the waste heat of flue gas, carry out the flue gas through the clear water and spray on the one hand, on the other hand carries out spraying of flue gas through solution, retrieves the flue gas waste heat in grades, reduces thermal waste, is equipped with the solution of enrichment facility to the inside of solution storage tank simultaneously and carries out the concentration for the thermal efficiency of recovery that solution sprayed is higher.
2. Set up negative feedback diverging device A, heat exchanger B and negative feedback diverging device B and form the multistage recovery gradient to the heating water waste heat, the amount temperature that cooperates the heating water detects and the detection of the inside vacuum of low vacuum condenser, carries out the negative feedback and adjusts to this reaches the best running state, and thermal rate of recovery is higher, can adapt to the complex situation that the combined heat and power generation often changes the operating mode, and the cost is lower relatively.
Drawings
Fig. 1 is a schematic flow chart of the present invention.
In the figure: 1. a two-stage absorption tower; 11. an absorption tower A; 12. an absorption tower B; 2. a heat exchange device; 21. a heat exchanger A; 22. a heat exchanger B; 3. a solution storage tank; 4. a concentration device; 41. a heat regenerator; 42. a separator; 43. a condenser; 44. an evaporator; 5. a heating device; 51. a negative feedback shunt device A; 52. a low vacuum condenser; 53. and negative feedback shunt means B.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a power plant heating device with an open type heat pump coupling condenser low vacuum transformation comprises a two-stage absorption tower 1, and is divided into an absorption tower A11 clear water spray and an absorption tower B12 solution spray;
the heat exchange device 2 comprises a heat exchanger A21 and is communicated with the interior of the absorption tower A11, and clear water passing through the heat exchanger A21 enters the absorption tower A11 to spray flue gas;
the solution storage tank 3 enters the absorption tower B12 for spraying;
a concentration device 4 for performing concentration treatment on the solution in the solution storage tank 3;
and a heating device 5 for supplying heating water.
In this embodiment, provide the heating water through setting up heating system 5, and utilize doublestage absorption tower 1 to retrieve the waste heat of flue gas, carry out the flue gas through the clear water on the one hand and spray, on the other hand carries out spraying of flue gas through solution, retrieves the flue gas waste heat in grades, reduces thermal waste, is equipped with the solution of concentration device 4 to the inside of solution storage tank 3 simultaneously and carries out the concentration for the thermal efficiency of recovery that solution sprayed is higher.
Specifically, the heat exchange device 2 further comprises a heat exchanger B22 installed between the solution storage tank 3 and the absorption tower B12 and forming a reflux system.
In this embodiment, the solution inside the solution tank 3 is subjected to heat exchange treatment by the heat exchanger B22, so as to improve the utilization rate of heat.
Specifically, the concentration device 4 includes a regenerator 41, a separator 42 and an evaporator 44, and the solution in the solution tank 3 passes through the regenerator 41, the evaporator 44 and the separator 42 and then returns to the inside of the solution tank 3.
In this embodiment, the solution enters the evaporator 44 through the heat regenerator 41, so that a part of the liquid is evaporated to form a corresponding gas-liquid mixture, the gas-liquid mixture is separated by the separator 42, and the concentration of the solution is increased to enter the solution tank 3 through the heat regenerator 41 again.
Specifically, the concentration device 4 further includes a condenser 43, and the liquid passing through the separator 42 enters the condenser 44 to form steam condensate and flows out.
In this embodiment, the generated gas is converted into the corresponding liquid again by the condenser 43, and can be reused by the subsequent treatment.
Specifically, the heating device 5 includes a negative feedback bypass device a51 and a low vacuum condenser 52, and the heating water enters the low vacuum condenser 52 through the negative feedback bypass device a51 and flows out.
In this embodiment, the heating water passes through the low-vacuum condenser 52, and the steam is condensed to supply the heating water to the outside.
Specifically, the heating device 5 further includes a negative feedback shunt device B53, and the heating water sequentially passes through the negative feedback shunt device a51, the heat exchanger a21, the negative feedback shunt device B53 and the low vacuum condenser 52 to provide heating water.
In this embodiment, a part of the heating water passes through the heat exchanger a21 and the low vacuum condenser 52, and the heating water is supplied to the outside, and the remaining heat is recovered.
Specifically, the heating water also sequentially passes through the negative feedback flow dividing device a51, the heat exchanger a21, the heat exchanger B22, the negative feedback flow dividing device B53 and the condenser 43 to provide the heating water.
In this embodiment, the heating water passes through the condenser 43 to further enhance heat recovery.
Specifically, a temperature detection system is arranged in the heating water and is matched with the opening and closing of the negative feedback shunt device A51 and the negative feedback shunt device B53.
In this embodiment, the degree of the negative feedback shunt device a51 and the negative feedback shunt device B53 that need to be turned on and off in the corresponding directions is determined by detecting the temperature of the heating water, so as to achieve the optimal gradient of waste heat recovery.
Specifically, a vacuum degree detector is arranged in the low vacuum condenser 52, and is matched with the on and off of the negative feedback shunt device a51 and the negative feedback shunt device B53.
In this embodiment, the degree of opening and closing of the negative feedback shunt device a51 and the negative feedback shunt device B53 in the corresponding directions is determined by detecting the internal vacuum degree of the low vacuum condenser 52, so as to achieve the optimal gradient of waste heat recovery.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a low vacuum modified power plant heating system of open heat pump coupling condenser which characterized in that: comprises a double-stage absorption tower (1) and is divided into an absorption tower A (11) clear water spray and an absorption tower B (12) solution spray;
the heat exchange device (2) comprises a heat exchanger A (21) which is communicated with the interior of the absorption tower A (11), and clear water passing through the heat exchanger A (21) enters the absorption tower A (11) to spray the flue gas;
the solution storage tank (3) enters the absorption tower B (12) for spraying;
a concentration device (4) for performing concentration treatment on the solution in the solution storage tank (3);
and a heating device (5) for supplying heating water.
2. The power plant heating device with the open type heat pump coupling condenser low vacuum modification as claimed in claim 1, is characterized in that: the heat exchange device (2) also comprises a heat exchanger B (22) which is arranged between the solution storage tank (3) and the absorption tower B (12) and forms a reflux system.
3. A power plant heating device with an open heat pump coupling condenser low vacuum reconstruction as claimed in claim 1, characterized in that: the concentration device (4) comprises a heat regenerator (41), a separator (42) and an evaporator (44), and the solution in the solution storage tank (3) passes through the heat regenerator (41), the evaporator (44) and the separator (42) and then returns to the inside of the solution storage tank (3).
4. The power plant heating device of claim 3, which is modified by an open heat pump coupling condenser in low vacuum, and is characterized in that: the concentration device (4) further comprises a condenser (43), and liquid passing through the separator (42) enters the condenser (43) to form steam condensate and flows out.
5. The power plant heating device of claim 4, which is formed by low-vacuum reformation of the open heat pump coupling condenser, is characterized in that: the heating device (5) comprises a negative feedback shunt device A (51) and a low vacuum condenser (52), and heating water enters the low vacuum condenser (52) through the negative feedback shunt device A (51) and flows out.
6. The low-vacuum-modified power plant heating device of the open heat pump coupling condenser according to claim 5, characterized in that: the heating device (5) further comprises a negative feedback shunt device B (53), and heating water sequentially passes through the negative feedback shunt device A (51), the heat exchanger A (21), the negative feedback shunt device B (53) and the low vacuum condenser (52) to provide heating water.
7. The power plant heating device of claim 6, which is formed by low-vacuum reformation of an open heat pump coupling condenser, is characterized in that: the heating water also sequentially passes through the negative feedback shunt device A (51), the heat exchanger A (21), the heat exchanger B (22), the negative feedback shunt device B (53) and the condenser (43) to provide the heating water.
8. The power plant heating device of claim 6, which is formed by low-vacuum reformation of an open heat pump coupling condenser, is characterized in that: a temperature detection system is arranged in the heating water and is matched with the opening and closing of the negative feedback shunt device A (51) and the negative feedback shunt device B (53).
9. The power plant heating device of claim 6, which is formed by low-vacuum reformation of an open heat pump coupling condenser, is characterized in that: and a vacuum degree detector is arranged in the low vacuum condenser (52) and is matched with the on and off of the negative feedback shunt device A (51) and the negative feedback shunt device B (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220234981.6U CN217329940U (en) | 2022-01-28 | 2022-01-28 | Open heat pump coupling condenser low vacuum modified power plant heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220234981.6U CN217329940U (en) | 2022-01-28 | 2022-01-28 | Open heat pump coupling condenser low vacuum modified power plant heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217329940U true CN217329940U (en) | 2022-08-30 |
Family
ID=82996157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220234981.6U Active CN217329940U (en) | 2022-01-28 | 2022-01-28 | Open heat pump coupling condenser low vacuum modified power plant heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217329940U (en) |
-
2022
- 2022-01-28 CN CN202220234981.6U patent/CN217329940U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11821637B2 (en) | Energy-saving system using electric heat pump to deeply recover flue gas waste heat from heat power plant for district heating | |
| CN102954616B (en) | Exhaust steam direct-absorption type lithium bromide heat pump system | |
| JPH06101932A (en) | Absorptive heat pump and cogeneration system using exhaust heat | |
| CN102997483A (en) | Direct-burning lithium bromide absorbing cold hot water unit capable of recycling smoke waste heat | |
| CN102997482A (en) | Direct-fired lithium bromide absorption cold-hot water unit for recovering flue gas waste heat under heating working condition | |
| CN104089430A (en) | Sprinkling open type absorption heat pump system capable of recycling waste heat of airflow containing moisture | |
| CN207998481U (en) | A kind of supercritical water oxidation treatment system | |
| CN114807962B (en) | Alkaline water electrolysis hydrogen production system based on absorption heat pump and adjusting method thereof | |
| CN202055878U (en) | Industrial exhaust heat power generation system | |
| CN102226447B (en) | Medium-low temperature terrestrial heat power generating set system device | |
| CN214700775U (en) | Flue gas carbon dioxide entrapment purification system | |
| CN203011002U (en) | Direct-fired lithium bromide absorption type heating and refrigerating unit with smoke valve and used for recovering smoke waste heat | |
| CN102435015B (en) | Condensation heat recovery device in power station | |
| CN110078904A (en) | A kind of polyester esterification steam waste heat utilizes method and device | |
| CN217329940U (en) | Open heat pump coupling condenser low vacuum modified power plant heating device | |
| CN203010995U (en) | Direct-fired lithium bromide absorption type cold and hot water unit for recovering flue gas waste heat | |
| CN205783960U (en) | A kind of carbon dioxide recovering apparatus based on Absorption Cooling System | |
| CN218371826U (en) | Geothermal energy drive desulfurization thick liquid flash distillation heating system | |
| CN206269113U (en) | A kind of heat pump auxiliary type residual heat from boiler fume recovery system | |
| CN111517400B (en) | Low-grade heat source coupling multi-effect flash evaporation concentration evaporation system | |
| CN112178961B (en) | Electricity generation, heat supply, refrigeration and water taking combined system and method based on chemical heat storage | |
| CN111578352B (en) | Use method of system capable of improving heat supply capacity and heat supply temperature of power plant | |
| CN211676993U (en) | A waste gas recovery device for chemical industry enterprise | |
| CN102997496A (en) | Direct-fired lithium bromide absorption cold-hot water unit provided with flue gas valves and used for recovering flue gas waste heat | |
| CN203668002U (en) | Efficient ultralow-temperature heat energy recovery system of sulfur-phosphorus combination device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |