CN211038763U - Heating device utilizing waste heat of power plant - Google Patents
Heating device utilizing waste heat of power plant Download PDFInfo
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- CN211038763U CN211038763U CN201921482033.9U CN201921482033U CN211038763U CN 211038763 U CN211038763 U CN 211038763U CN 201921482033 U CN201921482033 U CN 201921482033U CN 211038763 U CN211038763 U CN 211038763U
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- heat
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- circulation pipe
- heating
- heat exchanger
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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]
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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]
- Y02B30/17—District heating
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Abstract
The utility model discloses an utilize heating device of waste heat of power plant, including the steam turbine, the cooling circulation pipe, the soda heat exchanger, absorb heat pump and heating circulation pipe, cooling circulation pipe and absorption heat pump intercommunication install cooling circulation pump and condenser on the cooling circulation pipe, and the condenser passes through pipe and steam turbine intercommunication, and the steam turbine passes through steam exhaust pipe and soda heat exchanger intercommunication, one of them section of heating circulation pipe in proper order with absorb heat pump and soda heat exchanger intercommunication, another section and the water-water heat exchanger intercommunication of heating circulation pipe, water-water heat exchanger and heating circulation pipe intercommunication. The utility model discloses the accessible absorbs heat pump and vapor-water heat exchanger and absorbs heat in steam and the condensate water after with steam turbine electricity generation in the thermal power plant to heat for heating hot water through water-water heat exchanger, thereby utilize the low-grade heat after the electricity generation, promote heat supply network water supply temperature, realize central heating, increased the heat utilization rate of power plant, it is energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a heating device especially relates to an utilize heating device of power plant's waste heat.
Background
A thermal power plant, referred to as a thermal power plant, is a plant that produces electric energy using a combustible (e.g., coal) as a fuel. The basic production process is as follows: when the fuel is burnt, water is heated to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives a generator to rotate, so that the mechanical energy is converted into electric energy. After generating electricity through a steam turbine in the current thermal power plant, most of steam and condensed water are directly discharged into the air, a large amount of energy and water and electricity are wasted, and environmental protection and energy conservation are not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an utilize heating device of waste heat of power plant can utilize the low-grade heat after the electricity generation, promotes the heat supply network water supply temperature, realizes central heating.
In order to solve the technical problem, the utility model provides a following technical scheme:
a heating device utilizing waste heat of a power plant comprises a steam turbine, a cooling circulation pipe, a steam-water heat exchanger, an absorption heat pump and a heating circulation pipe, wherein the cooling circulation pipe is communicated with the absorption heat pump, the cooling circulation pipe is provided with a cooling circulation pump and a condenser, the condenser is communicated with the steam turbine through a guide pipe, the steam turbine is communicated with the steam-water heat exchanger through a steam exhaust pipe, one section of the heating circulation pipe is sequentially communicated with the absorption heat pump and the steam-water heat exchanger, the other section of the heating circulation pipe is communicated with a water-water heat exchanger, and the water-water heat exchanger is communicated with a heating circulation pipe.
As an optimal technical scheme of the utility model, install vapour and liquid separator on the exhaust pipe, vapour and liquid separator's play steam vent and soda heat exchanger intercommunication, vapour and liquid separator's liquid outlet and absorption heat pump intercommunication.
As an optimized technical scheme of the utility model, all be provided with the outlet on the end of exhaust pipe and the condenser.
As an optimized technical proposal of the utility model, the heating circulating pipe and the heating circulating pipe are both provided with a circulating pump.
As an optimized technical proposal of the utility model, the heating circulating pipe is connected with and provided with a heat preservation water tank.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is:
the utility model can absorb heat in steam and condensed water generated by a steam turbine in a thermal power plant through the absorption heat pump and the steam-water heat exchanger, and heat the heating hot water through the water-water heat exchanger, thereby improving the water supply temperature of a heat supply network by utilizing low-grade heat generated after power generation, realizing centralized heat supply, increasing the heat energy utilization rate of the power plant, saving energy and protecting environment; and the heat transfer of the heat pump is absorbed, so that the recycling of the condensed water can be realized, and the water resource is saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
wherein: 1. a steam engine; 2. a steam exhaust pipe; 3. a cooling circulation pipe; 4. a cooling circulation pump; 5. a condenser; 6. a vapor-liquid separator; 7. a steam-water heat exchanger; 8. an absorption heat pump; 9. a heating circulation pipe; 10. a water-water heat exchanger; 11. a heating circulating pipe.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1, a heating device using waste heat of a power plant includes a steam turbine 1, a cooling circulation pipe 3, a steam-water heat exchanger 7, an absorption heat pump 8 and a heating circulation pipe 9, and is characterized in that the cooling circulation pipe 3 is communicated with the absorption heat pump 8, the cooling circulation pipe 3 is provided with a cooling circulation pump 4 and a condenser 5, the condenser 5 is communicated with the steam turbine 1 through a conduit, the steam turbine 1 is communicated with the steam-water heat exchanger 7 through a steam exhaust pipe 2, one section of the heating circulation pipe 9 is sequentially communicated with the absorption heat pump 8 and the steam-water heat exchanger 7, the other section of the heating circulation pipe 9 is communicated with a water-water heat exchanger 10, and the water-water heat exchanger 10 is communicated.
Wherein, install vapour and liquid separator 6 on the exhaust pipe 2, vapour and liquid separator 6's steam outlet and soda heat exchanger 7 intercommunication, vapour and liquid separator 6's liquid outlet and absorption heat pump 8 intercommunication can separate the liquid water in the steam with steam, improve heat energy conversion efficiency.
Wherein, all be provided with the outlet on the end of exhaust pipe 2 and the condenser 5, condense into water through the heat transfer exhaust high temperature steam in the turbine and discharge from the outlet, and the feed-tank can be connected to the outlet to accomplish the recycle of water resource.
Wherein, the heating circulating pipe 9 and the heating circulating pipe 11 are both provided with circulating pumps for circulating water in the pipeline.
Wherein, the heating circulating pipe 11 is connected with and installed with a heat preservation water tank which can be used for preserving heat and storing heating hot water.
Specifically, when the device is used, the condenser 5 condenses and cools the steam turbine 1 to heat cooling water in the cooling circulation pipe 3, the heated cooling water passes through the absorption heat pump 8 (the working principle of the absorption heat pump is that a large amount of medium-temperature heat sources are utilized to generate a small amount of high-temperature useful heat energy, namely, the heated cooling water is driven by medium-low temperature heat energy, heat which is less than the medium-temperature heat sources but higher than the medium-temperature heat sources is prepared by using the heat potential difference of the medium-temperature heat sources and the low-temperature heat sources, and part of the medium-low heat energy is transferred to a higher temperature position, so that the utilization grade of the heat sources is improved), and the heat energy is transferred to hot water in the heating circulation pipe 9, so that; meanwhile, after steam discharged by the steam turbine 1 is separated by the steam-liquid separator 6, liquid hot water is also connected with the absorption heat pump 8 to conduct heat and increase the temperature of the heating circulating pipe 9, high-temperature steam is introduced into the steam-water heat exchanger 7 to heat the hot water in the heating circulating pipe 9 again through the steam-water heat exchanger 7, the water temperature in the heating circulating pipe 9 is further increased, and finally the hot water in the heating circulating pipe 9 conducts heat to the heating circulating pipe 11 through the water-water heat exchanger 10 to supply heat in a centralized manner through the heating circulating pipe 11.
The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.
Claims (5)
1. The utility model provides an utilize heating device of power plant waste heat, includes steam turbine (1), cooling circulation pipe (3), soda heat exchanger (7), absorbs heat pump (8) and heating circulation pipe (9), its characterized in that, cooling circulation pipe (3) and absorption heat pump (8) intercommunication, install cooling circulation pump (4) and condenser (5) on cooling circulation pipe (3), condenser (5) are through pipe and steam turbine (1) intercommunication, steam turbine (1) are through exhaust pipe (2) and soda heat exchanger (7) intercommunication, one of them section of heating circulation pipe (9) in proper order with absorb heat pump (8) and soda heat exchanger (7) intercommunication, another section and water heat exchanger (10) intercommunication of heating circulation pipe (9), water heat exchanger (10) and heating circulation pipe (11) intercommunication.
2. The heating device using the waste heat of the power plant as claimed in claim 1, wherein a vapor-liquid separator (6) is installed on the exhaust pipe (2), a vapor outlet of the vapor-liquid separator (6) is communicated with the vapor-water heat exchanger (7), and a liquid outlet of the vapor-liquid separator (6) is communicated with the absorption heat pump (8).
3. A heating device using waste heat of power plant as claimed in claim 1, characterized in that the end of the exhaust pipe (2) and the condenser (5) are provided with water outlets.
4. A heating apparatus using waste heat of power plant as claimed in claim 1, wherein the heating circulation pipe (9) and the heating circulation pipe (11) are respectively provided with a circulation pump.
5. A heating apparatus using waste heat of power plant as claimed in claim 1, wherein the heating circulation pipe (11) is connected with a heat preservation water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921482033.9U CN211038763U (en) | 2019-09-06 | 2019-09-06 | Heating device utilizing waste heat of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921482033.9U CN211038763U (en) | 2019-09-06 | 2019-09-06 | Heating device utilizing waste heat of power plant |
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| Publication Number | Publication Date |
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| CN211038763U true CN211038763U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921482033.9U Active CN211038763U (en) | 2019-09-06 | 2019-09-06 | Heating device utilizing waste heat of power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115574646A (en) * | 2022-12-09 | 2023-01-06 | 华北电力大学（保定） | Cascade phase change heat storage system and method based on power plant waste heat and high-temperature heat pump |
-
2019
- 2019-09-06 CN CN201921482033.9U patent/CN211038763U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115574646A (en) * | 2022-12-09 | 2023-01-06 | 华北电力大学（保定） | Cascade phase change heat storage system and method based on power plant waste heat and high-temperature heat pump |
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