CN109724139A - A long-distance thermal and electrolytic coupling peak shaving and central heating and cooling system for thermal power units - Google Patents
A long-distance thermal and electrolytic coupling peak shaving and central heating and cooling system for thermal power units Download PDFInfo
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- CN109724139A CN109724139A CN201910135662.2A CN201910135662A CN109724139A CN 109724139 A CN109724139 A CN 109724139A CN 201910135662 A CN201910135662 A CN 201910135662A CN 109724139 A CN109724139 A CN 109724139A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 72
- 238000001816 cooling Methods 0.000 title claims abstract description 48
- 230000008878 coupling Effects 0.000 title claims abstract 9
- 238000010168 coupling process Methods 0.000 title claims abstract 9
- 238000005859 coupling reaction Methods 0.000 title claims abstract 9
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 238000005338 heat storage Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000032258 transport Effects 0.000 abstract description 2
- 230000005619 thermoelectricity Effects 0.000 description 19
- 238000009825 accumulation Methods 0.000 description 12
- 229940059936 lithium bromide Drugs 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000009466 transformation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
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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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- Sorption Type Refrigeration Machines (AREA)
Abstract
本发明公开了一种火电机组远距离热电解耦调峰及集中供热供冷系统，它包括火电机组、供热首站和供热供冷二级站；所述火电机组通过高压输电线路与供热首站连接，所述供热首站通过供热管网与供热供冷二级站连接；所述供热首站内设置有相互连接的高压电锅炉和蓄热热库，所述供热首站通过供热管网将热水输送到供热供冷二级站中，所述供热供冷二级站中设有板换系统和溴化锂吸收式制冷机，所述板换系统和溴化锂吸收式制冷机均与供热管网连接。本发明不仅能够用于远距离供热、供冷，还可以用于火电机组远距离热电解耦与深度调峰，达到减少远距离供热成本的同时调节火电机组负荷。
The invention discloses a long-distance thermal and electrolytic coupling peak shaving and central heating and cooling system for thermal power units, which comprises thermal power units, a first heating station and a second heating and cooling station; The first heating station is connected, and the first heating station is connected to the second heating and cooling station through the heating pipe network; the first heating station is provided with a high-voltage electric boiler and a heat storage warehouse that are connected to each other. The first heating station transports hot water to the second heating and cooling station through the heating pipe network. The second heating and cooling station is provided with a plate exchange system and a lithium bromide absorption refrigerator. The plate exchange system And the lithium bromide absorption chiller is connected to the heating pipe network. The invention can not only be used for long-distance heating and cooling, but also can be used for long-distance thermal and electrolytic coupling and deep peak regulation of thermal power units, so as to reduce the cost of long-distance heating and adjust the load of thermal power units.
Description
Technical field
The present invention relates to electric system peak regulations and thermoelectricity to decouple heat supply process field, and especially a kind of fired power generating unit is remote
Thermoelectricity decouples peak regulation and central heating and cooling system.
Background technique
Fired power generating unit peak regulation is mainly by carrying out necessary transformation to unit at present, as low-load combustion-stabilizing, coal pulverizer transformation,
The technologies such as the power output of turbine system low pressure (LP) cylinder zero, turbine by-pass heat supply, although however these technologies can give pure condensate unit band
Carry out biggish Load Regulation, but cost is excessively high；It produces effects in thermal power plant unit symbol Load Regulation unobvious, thermal power plant unit is in winter
There is still a need for other technologies to come depth peak regulation, such as plant area, thermal power plant setting electrode boiler or regenerative apparatus, however so many
Heat short distance central heating is also difficult to dissolve, and long range heating network builds the defect for also bringing cost of investment excessively high.
In the prior art, by the fired power generating unit of the means peak regulation of electric boiler storing up heat, so many short distance is not considered
The problem of heat dissolves, and the problems such as long-distance sand transport does not account for thermal losses and excessively high heating network construction cost yet.
Regulating units are decoupled simultaneously for the thermoelectricity that there is heat demand in the north, summer is difficult to dissolve heat, wastes mass energy.
Summary of the invention
To solve the above-mentioned problems, the object of the present invention is to provide a kind of fired power generating unit remote thermoelectricity decoupling peak regulation and
Peak regulation power is transported to the initial station of the heat supply in city by ultra-high-tension power transmission line, passes through heat supply head by central heating and cooling system
Electrode boiler and accumulation of heat heat reservoir carry out peak regulation to fired power generating unit in standing, while passing through heating network for delivery to heat supply, confession
Hot secondary station realizes Winter heat supply, summer cooling.
The present invention solves the above problems used technical solution are as follows: a kind of remote thermoelectricity decoupling peak regulation of fired power generating unit and
Central heating and cooling system, it includes fired power generating unit, heat supply initial station and heating and cooling secondary station；The fired power generating unit passes through high pressure
Transmission line of electricity is connect with heat supply initial station, and the heat supply initial station passes through heating network and connect with heating and cooling secondary station；
High pressure electric boiler and accumulation of heat heat reservoir interconnected are provided in the heat supply initial station, the heat supply initial station passes through heating tube
Delivery is equipped with plate into heating and cooling secondary station, in the heating and cooling secondary station and changes system and suction-type lithium bromide by net
Refrigeration machine, the plate changes system and lithium-bromide absorption-type refrigerating machine is connect with heating network.
A kind of remote thermoelectricity decoupling peak regulation of fired power generating unit and central heating and cooling system, the heat supply initial station is far from thermoelectricity
Unit realizes remote thermoelectricity decoupling close to city.
A kind of remote thermoelectricity decoupling peak regulation of fired power generating unit and central heating and cooling system, the high pressure electric boiler are electricity
Resistance, electromagnetism or electrode boiler.
A kind of remote thermoelectricity decoupling peak regulation of fired power generating unit and central heating and cooling system, the accumulation of heat heat reservoir are that phase transformation stores
Heat, water accumulation of heat, solid heat storage or metal accumulation of heat.
A kind of remote thermoelectricity decoupling peak regulation of fired power generating unit and central heating and cooling system, the heat supply initial station pass through heat supply
Pipeline conveys 90 DEG C or more hot water to heating and cooling secondary station.
A kind of remote thermoelectricity decoupling peak regulation of fired power generating unit and central heating and cooling system, the heating and cooling secondary station can
Cooling supply and heat supply simultaneously, Winter heat supply pipe network are connected external heat supply, summer heating network and suction-type lithium bromide with the plate system of changing
Refrigeration machine is connected external cooling supply.
Due to the application of the above technical scheme, the present invention have compared with prior art it is following the utility model has the advantages that
1, the remote thermoelectricity that invention is used decouples peak regulation technique, has fully considered that Various Seasonal fired power generating unit different load is adjusted
The problem of lower heat dissolves, heat are used for summer cooling, Winter heat supply.
2, remote thermoelectricity provided by the invention decouples peak regulation technique, and heat supply initial station is built in far from fired power generating unit, close to confession
Thermally, reduce remote pipe construction heat cost.
3, remote thermoelectricity provided by the invention decouples peak regulation technique, realizes fired power generating unit by accumulation of heat heat reservoir and electric boiler
100% peak regulation finally can be achieved in depth peak regulation.
4, remote thermoelectricity decoupling peak regulation provided by the invention and central heating, cold supply system, pass through lithium bromide in summer
Absorption heat pump dissolves peak regulation heat, is converted into cooling capacity and uses for building.
Detailed description of the invention
Fig. 1 is structure principle chart of the invention.
In figure:
Fired power generating unit 1, ultra-high-tension power transmission line 2, heat supply initial station 3, high pressure electric boiler 4, accumulation of heat heat reservoir 5, heat supplying pipeline 6, heat supply supply
Cold secondary station 7, plate change system 8, lithium-bromide absorption-type refrigerating machine 9.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment 1:
Refering to fig. 1, a kind of fired power generating unit remote thermoelectricity decoupling peak regulation and central heating and cooling system, it include fired power generating unit 1,
Heat supply initial station 3 and heating and cooling secondary station 7.
The fired power generating unit 1 is connect by ultra-high-tension power transmission line 2 with heat supply initial station 3, and the heat supply initial station 3 is defeated by high pressure
Electric line 2 carries out remote peak regulation to fired power generating unit 1, and long distance is realized close to city far from fired power generating unit 1 in the heat supply initial station 3
It is decoupled from thermoelectricity；It is provided with high pressure electric boiler 4 and accumulation of heat heat reservoir 5 interconnected in the heat supply initial station 3, peak regulation power enters
Become heat heat supply in high pressure electric boiler 4 or enter in accumulation of heat heat reservoir 5 to store.
The high pressure electric boiler 4 can be resistance, electromagnetism, electrode boiler；The accumulation of heat heat reservoir 5 can be phase-transition heat-storage,
Water accumulation of heat, solid heat storage, metal accumulation of heat etc..
The heat supply initial station 3 is connect by heating network 6 with heating and cooling secondary station 7, and the heat supply initial station 3 passes through heat supply
Delivery is equipped with plate into heating and cooling secondary station 7, in the heating and cooling secondary station 7 and changes system 8 and lithium bromide by pipe network 6
Absorption Refrigerator 9, the plate changes system 8 and lithium-bromide absorption-type refrigerating machine 9 is connect with heating network 6, and the heat supply supplies
Cold secondary station 7 can be in Various Seasonal to user's cooling supply and heat supply simultaneously, and Winter heat supply pipe network 6 changes system 8 with plate and is connected externally
Heat supply, summer heating network 6 are connected external cooling supply with lithium-bromide absorption-type refrigerating machine 9.
The heat supply initial station 3 conveys 90 DEG C or more hot water to heating and cooling secondary station 7 by heat supplying pipeline 6, is convenient for summer
Driving heat source as lithium-bromide absorption-type refrigerating machine 9.
In addition to the implementation, all to use equivalent transformation or equivalent replacement the invention also includes there is an other embodiments
The technical solution that mode is formed should all be fallen within the scope of the hereto appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910135662.2A CN109724139A (en) | 2019-02-25 | 2019-02-25 | A long-distance thermal and electrolytic coupling peak shaving and central heating and cooling system for thermal power units |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910135662.2A CN109724139A (en) | 2019-02-25 | 2019-02-25 | A long-distance thermal and electrolytic coupling peak shaving and central heating and cooling system for thermal power units |
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| CN201910135662.2A Pending CN109724139A (en) | 2019-02-25 | 2019-02-25 | A long-distance thermal and electrolytic coupling peak shaving and central heating and cooling system for thermal power units |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332578A (en) * | 2019-06-13 | 2019-10-15 | 华电电力科学研究院有限公司 | A kind of thermal power cogeneration central heating system and operation method for heat supply network side coupling electric heat storage peak regulation |
| CN112833440A (en) * | 2021-01-07 | 2021-05-25 | 中国华能集团清洁能源技术研究院有限公司 | A thermal power plant external multi-pipe network heating and cooling system and operation method |
| CN113803709A (en) * | 2020-06-17 | 2021-12-17 | 赫普能源环境科技股份有限公司 | A thermal power plant coupled data center integrated energy system and operation method |
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| CN106500400A (en) * | 2015-09-08 | 2017-03-15 | 江苏恒春智能科技有限公司 | A kind of compound district heating and cooling system |
| CN106931485A (en) * | 2017-04-01 | 2017-07-07 | 祝凤娟 | A kind of regulating of heating net method of utilization heating network energy storage |
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| CN108443957A (en) * | 2018-02-26 | 2018-08-24 | 南京友智科技有限公司 | The peak regulation heat supply method that a kind of big thermoelecrtic, hold over system jointly control |
| WO2018233024A1 (en) * | 2017-06-22 | 2018-12-27 | 赫普热力发展有限公司 | Thermoelectric decoupling peak load regulating system |
| CN209588149U (en) * | 2019-02-25 | 2019-11-05 | 江苏双良低碳产业技术研究院有限公司 | A kind of remote thermoelectricity decoupling peak regulation of fired power generating unit and central heating and cooling system |
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2019
- 2019-02-25 CN CN201910135662.2A patent/CN109724139A/en active Pending
Patent Citations (9)
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| CN203432140U (en) * | 2013-08-15 | 2014-02-12 | 北京燕山玉龙石化工程有限公司 | Central heating system based on absorption heat exchanger cycling |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332578A (en) * | 2019-06-13 | 2019-10-15 | 华电电力科学研究院有限公司 | A kind of thermal power cogeneration central heating system and operation method for heat supply network side coupling electric heat storage peak regulation |
| CN113803709A (en) * | 2020-06-17 | 2021-12-17 | 赫普能源环境科技股份有限公司 | A thermal power plant coupled data center integrated energy system and operation method |
| CN112833440A (en) * | 2021-01-07 | 2021-05-25 | 中国华能集团清洁能源技术研究院有限公司 | A thermal power plant external multi-pipe network heating and cooling system and operation method |
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Application publication date: 20190507 |