CN204006255U - A kind of waste heat recovery central heating system - Google Patents

A kind of waste heat recovery central heating system Download PDF

Info

Publication number
CN204006255U
CN204006255U CN201420372059.9U CN201420372059U CN204006255U CN 204006255 U CN204006255 U CN 204006255U CN 201420372059 U CN201420372059 U CN 201420372059U CN 204006255 U CN204006255 U CN 204006255U
Authority
CN
China
Prior art keywords
heat
valve
water
heating system
solar energy
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
Application number
CN201420372059.9U
Other languages
Chinese (zh)
Inventor
王超元
徐善飞
张小安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shield (tianjin) Energy Saving System Co Ltd
Original Assignee
Shield (tianjin) Energy Saving System Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shield (tianjin) Energy Saving System Co Ltd filed Critical Shield (tianjin) Energy Saving System Co Ltd
Priority to CN201420372059.9U priority Critical patent/CN204006255U/en
Application granted granted Critical
Publication of CN204006255U publication Critical patent/CN204006255U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

Abstract

The utility model discloses a kind of waste heat recovery central heating system, comprises steam heating system and solar energy heat-storage system; In steam heating system, heat exchange station is connected by pipeline with hot user, between heat exchange station and absorption heat pump one secondary net water return pipeline, by-passing valve is installed; One secondary net backwater is bypassed in solar energy heat-storage system, and to far-end, hot user carries out far-end direct-furnish.Beneficial effect is: because a secondary net backwater has increased solar energy heat-storage system, not only realize far-end direct-furnish, and ensure that a secondary net return water temperature is up to standard; The efficiency of residual neat recovering system is discharged fully, has increased area of heat-supply service, and without increasing unit for thermal pressure.The particularly valve setting in solar energy heat-storage system pipeline, makes far-end heating system can realize self-loopa work heat supply, also solves the general lower problem of current remote subscriber heating temperature simultaneously.

Description

A kind of waste heat recovery central heating system
Technical field
The utility model relates to a kind of bootstrap system; Particularly relate to a kind of residual heat resources and reclaim central heating heating system.
Background technology
The high energy-consuming enterprises such as thermal power plant, steel plant, oil, chemical industry, cement can produce a large amount of used heat in process of production, these used heat are directly discharged into atmosphere by cooling tower or Air-Cooling Island, not only cause huge energy loss, but also caused environmental pollution.Current, the residual heat resources of utilizing high energy-consuming enterprises to produce are carried out central heating heating system and are carried out residual heat resources recovery heating in extensive mode, and primary side return water temperature is higher, is not well utilized, capacity usage ratio is lower, and system energy efficiency does not also obtain fine release.201320426112 have proposed a kind of device that utilizes a secondary net backwater residual heat heating, its essence is a secondary net backwater and another user's heat supply pipeline is connected, solve to a certain extent the high problem of return water temperature, but the problem of heating user uneven heating before and after easily causing.The mixed ginseng of one secondary net backwater and heat supply pipeline hot water, has caused certain energy waste, and in special weather situation, has still adopted the heat supply of heat supply main pipeline, has increased undoubtedly the confession thermal pressure of heat supply unit.
Summary of the invention
Technical problem to be solved in the utility model is, provide a kind of ensure remote subscriber heating temperature with heat demand, improve a secondary net return water temperature, increase area of heat-supply service, and do not increase the waste heat recovery central heating system of unit for thermal pressure.
The technical scheme that the utility model adopts is: a kind of waste heat recovery central heating system, comprises steam heating system and solar energy heat-storage system; In described steam heating system, heat exchange station is connected by pipeline with hot user, between heat exchange station and absorption heat pump one secondary net water return pipeline, by-passing valve c is installed; One secondary net backwater is bypassed in solar energy heat-storage system, and to far-end, hot user carries out far-end direct-furnish.
Described solar energy heat-storage system comprises two inlet channels and two water return pipelines, and described solar energy heat-storage system is parallel with water intaking valve e.
Described solar energy heat-storage system is parallel with back-water valve (BWV) d; Far-end hot net water water circulating pump is installed between described back-water valve (BWV) d and the absorption heat pump of steam heating system.
Valve a is installed between far-end hot net water water circulating pump and absorption heat pump, between one secondary net backwater and water intaking valve e, valve b is installed, between described far-end hot net water water circulating pump and valve b tail end, valve f is installed, valve-off a and valve b, and Open valve f, the capable of self-circulating work heat supply of far-end heating system.
Described solar energy heat-storage system can be also electric heater unit.
The beneficial effects of the utility model are: because a secondary net backwater has increased solar energy heat-storage system, not only realize far-end direct-furnish, and ensure that a secondary net return water temperature is up to standard; The efficiency of residual neat recovering system is discharged fully, has increased area of heat-supply service, and without increasing unit for thermal pressure.The particularly valve setting in solar energy heat-storage system pipeline, makes far-end heating system can realize self-loopa work heat supply, also solves the general lower problem of current remote subscriber heating temperature simultaneously.
Brief description of the drawings
Fig. 1 is the utility model far-end direct supply system schematic diagram;
Fig. 2 is the utility model waste heat recovery central heating system schematic diagram.
In figure:
1. vapour source 2. steam water heat exchanger 3. hot net water water circulating pumps
4. 6. 2 circulation pump of heat-supply networks of the hot user of heat exchange station 5.
7. hot user's 8. solar energy heat-storage system 9. valves of far-end
10. far-end hot net water water circulating pump 11. absorption heat pumps
12. remaining hot water water circulating pump 13. waste heat water source 14. condensate pumps.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figure 2, the utility model waste heat recovery central heating system, steam heating system comprises steam circulation, heating water cycle subsystem and the remaining hot water circulatory system.Described steam circulation forms two circulations along separate routes, and wherein, one point of route steam source 1, absorption heat pump 11, condensate pump 14 are connected in series and are formed by pipeline successively; When normal operation, vapour source provides the steam of job requirement, steam enters absorption heat pump and drives absorption type heat pump operation, in the process of operation, steam heat-exchanging condensation, and heat pump cycle completes the recovery of heat energy in steam thermal energy and remaining hot water, and heat energy is turned in heat supply network recirculated water, the temperature that improves first heat supply network recirculated water can reach 90 DEG C, and condensed steam is circulated back in steam source by condensate pump.Another point of route steam source 1, steam water heat exchanger 2 and condensate pump 14 are connected in series and are formed by pipeline successively; When normal operation, steam directly enters steam water heat exchanger, and to carrying out post bake from absorption heat pump hot net water out, to improve the supply water temperature of hot net water, this temperature can reach 110 DEG C, after this road steam-condensation, gets back in vapour source equally by condensate pump.The described remaining hot water circulatory system is connected in series by pipeline successively by remaining hot water thermal source 13, remaining hot water circulating pump 12 and absorption heat pump 11; Remaining hot water thermal source enters absorption heat pump, and the heat energy in hot water is absorbed by heat pump, and temperature reduces, and then gets back in remaining hot water thermal source by pipeline.Described heating water cycle subsystem is connected and is formed successively by pipeline by heat exchange station 4, absorption heat pump 11, pumps for hot water supply net 3 and vapor-water heat exchanger 2, and a road thermal cycle is in series by pipeline successively by hot user 5, secondary pumps for hot water supply net 6, heat exchange station 4.
User's water circulation subsystem of waste heat recovery central heating system comprises the hot user 7 of hot user 5, far-end, secondary pumps for hot water supply net 6, solar energy heat-storage system 8, far-end hot net water circulating pump 10 and the heat exchange station 4 of series connection successively; Thermal cycle is in series by pipeline successively by heat exchange station 4, solar energy heat-storage system 8, the hot user 7 of far-end, far-end hot net water circulating pump 10, absorption heat pump 11, pumps for hot water supply net 3, vapor-water heat exchanger 2; It is worthy of note, solar energy heat-storage system 8 can be also electric heater unit; When normal work, heat supply network backwater out divides two-way from heat exchange station, a hot user of road direct-furnish far-end, and when heat supply network return water temperature is low, this road hot water bypass enters after solar energy heat-storage system heating, gives user's heat supply, to ensure heat supply temperature.Also the solar energy heat-storage system that enters capable of bypass when this road return water temperature is low, to ensure the temperature of this road backwater.Another pipeline backwater of this road backwater and heat supply network backwater converge enter absorption heat pump promote temperature, carry out post bake by steam water heat exchanger again, improve heat supply network supply water temperature, after heating, deliver to heat exchange station and hot user's secondary network heat exchange, give hot user's transfer heat.
As shown in Figure 1, between heat exchange station 4 and absorption heat pump 11 1 secondary net water return pipelines, by-passing valve c is installed; One secondary net backwater is bypassed in solar energy heat-storage system, and to far-end, hot user carries out far-end direct-furnish.Described solar energy heat-storage system comprises two inlet channels and two water return pipelines, and described solar energy heat-storage system is parallel with water intaking valve e and back-water valve (BWV) d; Between described back-water valve (BWV) d and the absorption heat pump 11 of steam heating system, far-end hot net water water circulating pump 10 is installed.Between far-end hot net water water circulating pump 10 and absorption heat pump 11, valve a is installed, between one secondary net backwater and water intaking valve e, valve b is installed, between described far-end hot net water water circulating pump 10 and valve b tail end, valve f is installed, valve-off a and valve b, and Open valve f, the capable of self-circulating work heat supply of far-end heating system.Solar energy heat-storage system inlet channel is divided into 2 pipelines, and water return pipeline is divided into 2 pipelines, and in the time that outdoor temperature is higher, water supply, backwater all do not enter solar energy heat-storage system and heat.In the time that outdoor temperature is lower, water supply partly or entirely enters solar energy heat-storage system through valve e adjusting heats, and can meet user's demand with assure feed water temperature., when Dang Gai road return water temperature is unreasonable, can regulate through valve d, backwater part enters solar energy heat-storage system heating meanwhile, to ensure that this road return water temperature is in rational scope, further ensures that the return water temperature that enters source pump is in rational scope.So not only ensure effective utilization of the energy, also ensured heating user's comfortableness.In the time that absorption type heat pump assembly or other parts break down, within a certain period of time, valve a and b close simultaneously, and valve f opens, the capable of self-circulating work heat supply of far-end heating system.
The utility model, because a secondary net backwater has increased solar energy heat-storage system, is not only realized far-end direct-furnish, and ensures that a secondary net return water temperature is up to standard; The efficiency of residual neat recovering system is discharged fully, has increased area of heat-supply service, and without increasing unit for thermal pressure, has ensured the efficient utilization of the energy.The particularly valve setting in solar energy heat-storage system pipeline, makes far-end heating system can realize self-loopa work heat supply, also solves the general lower problem of current remote subscriber heating temperature simultaneously.In order to ensure reliability and the flexibility of heat supply, can also increase apparatus for eliminating sludge, temperature-sensing valve and warning device at each main pipeline.

Claims (5)

1. a waste heat recovery central heating system, comprises, steam heating system is characterized in that, also includes solar energy heat-storage system; Heat exchange station in described steam heating system (4) is connected by pipeline with hot user (5), between heat exchange station (4) and absorption heat pump (11) one secondary net water return pipelines, by-passing valve c is installed; One secondary net backwater is bypassed in solar energy heat-storage system, and to far-end, hot user carries out far-end direct-furnish.
2. waste heat recovery central heating system according to claim 1, is characterized in that, described solar energy heat-storage system comprises two inlet channels and two water return pipelines, and described solar energy heat-storage system is parallel with water intaking valve e.
3. waste heat recovery central heating system according to claim 1, is characterized in that, described solar energy heat-storage system is parallel with back-water valve (BWV) d; Between the absorption heat pump (11) of described back-water valve (BWV) d and steam heating system, far-end hot net water water circulating pump (10) is installed.
4. waste heat recovery central heating system according to claim 1, it is characterized in that, between far-end hot net water water circulating pump (10) and absorption heat pump (11), valve a is installed, between one secondary net backwater and water intaking valve e, valve b is installed, between described far-end hot net water water circulating pump (10) and valve b tail end, valve f is installed, valve-off a and valve b, and Open valve f, the capable of self-circulating work heat supply of far-end heating system.
5. waste heat recovery central heating system according to claim 1, is characterized in that, described solar energy heat-storage system can be also electric heater unit.
CN201420372059.9U 2014-07-04 2014-07-04 A kind of waste heat recovery central heating system Active CN204006255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420372059.9U CN204006255U (en) 2014-07-04 2014-07-04 A kind of waste heat recovery central heating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420372059.9U CN204006255U (en) 2014-07-04 2014-07-04 A kind of waste heat recovery central heating system

Publications (1)

Publication Number Publication Date
CN204006255U true CN204006255U (en) 2014-12-10

Family

ID=52046251

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420372059.9U Active CN204006255U (en) 2014-07-04 2014-07-04 A kind of waste heat recovery central heating system

Country Status (1)

Country Link
CN (1) CN204006255U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105240897A (en) * 2015-11-03 2016-01-13 朱杰 Heat-storage peak regulating device used for power supply system
CN105258204A (en) * 2015-09-30 2016-01-20 华电电力科学研究院 Hot water supply method and system with coupled first-kind absorption heat pump and second-kind absorption heat pump
CN105546618A (en) * 2016-01-14 2016-05-04 大唐(北京)能源管理有限公司 Heating system and heating method for gradient utilization for cold-end waste heat
CN108302590A (en) * 2016-10-09 2018-07-20 上海漕泾热电有限责任公司 Heat supply network user terminal steam supplementary heating system based on light-electricity complementary and control method
CN108626949A (en) * 2018-05-08 2018-10-09 苏州南海道电子科技有限公司 A kind of thermal power plant circulating cooling water energy-saving system
CN110274291A (en) * 2019-05-28 2019-09-24 华电电力科学研究院有限公司 The online Water quality processing system of hot net water of one kind and its operation method
CN111351110A (en) * 2018-12-20 2020-06-30 大连民族大学 Solar energy supplied lithium bromide heat pump heat supply method
CN113375212A (en) * 2021-05-17 2021-09-10 大唐吉林发电有限公司热力分公司 High-efficient heat pump system that retrieves of central heating pipe network return water
CN114383183A (en) * 2021-12-26 2022-04-22 万江新能源集团有限公司 Application method of solar energy storage tank in high-temperature air source heat pump water system

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258204A (en) * 2015-09-30 2016-01-20 华电电力科学研究院 Hot water supply method and system with coupled first-kind absorption heat pump and second-kind absorption heat pump
CN105258204B (en) * 2015-09-30 2019-03-01 华电电力科学研究院 The hot water Supply Method and system that the first kind is coupled with second-kind absorption-type heat pump
CN105240897A (en) * 2015-11-03 2016-01-13 朱杰 Heat-storage peak regulating device used for power supply system
CN105240897B (en) * 2015-11-03 2019-11-22 南京酷朗电子有限公司 A kind of accumulation of heat peak adjusting device for heating system
CN105546618A (en) * 2016-01-14 2016-05-04 大唐(北京)能源管理有限公司 Heating system and heating method for gradient utilization for cold-end waste heat
CN105546618B (en) * 2016-01-14 2024-01-12 万隆新材(北京)科技有限公司 Cascade utilization heat supply system and method for cold end waste heat
CN108302590B (en) * 2016-10-09 2023-10-17 上海漕泾热电有限责任公司 Photoelectric complementation-based heating system and control method for steam supplement at user side of heat supply network
CN108302590A (en) * 2016-10-09 2018-07-20 上海漕泾热电有限责任公司 Heat supply network user terminal steam supplementary heating system based on light-electricity complementary and control method
CN108626949A (en) * 2018-05-08 2018-10-09 苏州南海道电子科技有限公司 A kind of thermal power plant circulating cooling water energy-saving system
CN111351110A (en) * 2018-12-20 2020-06-30 大连民族大学 Solar energy supplied lithium bromide heat pump heat supply method
CN110274291A (en) * 2019-05-28 2019-09-24 华电电力科学研究院有限公司 The online Water quality processing system of hot net water of one kind and its operation method
CN110274291B (en) * 2019-05-28 2023-08-29 华电电力科学研究院有限公司 Online water quality treatment system for primary heat supply network water and operation method thereof
CN113375212A (en) * 2021-05-17 2021-09-10 大唐吉林发电有限公司热力分公司 High-efficient heat pump system that retrieves of central heating pipe network return water
CN114383183A (en) * 2021-12-26 2022-04-22 万江新能源集团有限公司 Application method of solar energy storage tank in high-temperature air source heat pump water system

Similar Documents

Publication Publication Date Title
CN204006255U (en) A kind of waste heat recovery central heating system
JP6267368B2 (en) Electric power peaking combined heat and power (CHP) waste heat recovery device and operation method thereof
CN202532587U (en) System for recycling condensation heat from power plant for building heating by using heat pump
CN202419765U (en) Circulating water cooling heating apparatus of turbine condenser in thermal power plant
CN103017236B (en) The power plant heat of condensation is recycled and heating system
CN202007693U (en) Recovery device for low-temperature waste heat in power plant
CN203464249U (en) Condensed water heat regenerative system with absorption heat pump
CN104481611A (en) Dead steam waste heat recovery system based on large temperature difference heat exchange technology
CN201062838Y (en) Central heating system for thermoelectric plant circulating water
CN103185465A (en) System for recycling waste heat on surface of rotary kiln cylinder body
CN202561875U (en) Waste heat recovery system with bypass for cooling tower of power plant
CN104197396A (en) Method and system for cross-season utilization of waste heat of thermal power plants
CN203249231U (en) System using water drainage waste heat of heating network heater to heat raw water
CN201964501U (en) Thermal pump heating system utilizing latent heat progressively
CN102721222B (en) System for recovering waste heat of process cooling water
CN202470783U (en) Waste heat recycling system for barrel surface of rotary kiln
CN204513538U (en) A kind of regional cooling and heating system
CN202648227U (en) Waste heat recovery system for process cooling water
CN105588108A (en) System for replenishing water to steam boiler by means of steam condensate
CN203052800U (en) Condensation heat recovery heat supply device for power plant
CN203286757U (en) Water source heat pump waste heat recycling device
CN102997311B (en) Power plant condensing heat recovery heat supply system
CN202924954U (en) Waste heat recycling system for coke oven gas primary cooler
CN101865488A (en) Exhaust residual heat utilizing method for large-capacity heat and power cogeneration concentrated heat supply generator set
CN103196225A (en) Waste heat recovery device with water-source heat pump

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant