CN201662132U - System equipment of power plant for supplying heat to buildings - Google Patents
System equipment of power plant for supplying heat to buildings Download PDFInfo
- Publication number
- CN201662132U CN201662132U CN 200920266081 CN200920266081U CN201662132U CN 201662132 U CN201662132 U CN 201662132U CN 200920266081 CN200920266081 CN 200920266081 CN 200920266081 U CN200920266081 U CN 200920266081U CN 201662132 U CN201662132 U CN 201662132U
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- Prior art keywords
- heating
- heat
- water
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- heat pump
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- 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.)
- Expired - Fee Related
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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]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The utility model relates to system equipment applied to heat engine plants and nuclear power plants to supply heat to buildings. A thermal compensation system and a circulating water source heat pump system are sequentially connected in series on a traditional heating return piping; the thermal compensation system inducts exhaust steam of a power plant steam condenser; the circulating water source heat pump system inducts circulating cooling water; power plant circulating cooling water is taken as a low level heat source and power plant extraction steam is taken as a high level heat source to form double heat sources of a heating system; and the thermal compensation system, the circulating water source heat pump system and a steam water heat interchanger form a three-level heating mechanism of the heating system. The system equipment fully utilizes the low temperature thermal energy included in the circulating cooling water, not only reduces the cost for cooling down the circulating cooling water, but also can reduce the extraction steam used for heat supply in power plants.
Description
Technical field
The utility model belongs to heating system equipment, specifically is a kind of heating system of utilizing the low-temperature heat energy that contains in the recirculated cooling water of thermal power plant, nuclear power plant's condenser end.
Background technology
At present, the condenser condensation waste heat of thermal power plant, nuclear power plant is that the mode by the cooling of open type or closed cycle is discharged into condensation waste heat in atmosphere or near the waters, power plant has just wasted a large amount of non-renewable primary energy and precious water resource like this, and causes environmental pollution.How could utilize the existing used heat energy to greatest extent, to realize turning waste into wealth, be one of problem of always studying of people, has some to propose some technical schemes, also obtained certain effect, but effect also is not very desirable.
The utility model content
At the problems referred to above, the utility model proposes a kind of heating system of utilizing the low-temperature heat energy that contains in the recirculated cooling water of thermal power plant, nuclear power plant's condenser end, improve efficiency of energy utilization.
The purpose of this utility model is achieved through the following technical solutions:
A kind of system equipment that is applicable to that thermal power plant, nuclear power plant use space heating, this system comprises and is linked in power plant draw gas vapor-water heat exchanger, heating feed pipe and terminal hot user, the heating return pipe of water pipe, it is characterized in that, on described heating return piping, be connected in series thermal compensation system and source of recycled water heat pump successively, wherein, the thermal compensation system introduces the exhaust steam of plant condenser, and the source of recycled water heat pump is introduced recirculated cooling water; Circulating cooling water of power plant draws gas as low level heat source, power plant and constitutes two thermals source of heating system as high potential temperature thermal source; Thermal compensation system, source of recycled water heat pump and vapor-water heat exchanger constitute three grades of heating arrangements of heating system.
In the utility model heating system, power plant's heat supply is given circulation water for heating by vapor-water heat exchanger with thermal energy transfer with drawing gas, deliver to terminal hot user through the heating feed pipe, the heating backwater that comes out from the hot user of the end thermal compensation system that flows through earlier carries out the one-level heating, enter the source of recycled water heat pump again and carry out the secondary heating, after get back to vapor-water heat exchanger and carry out three grades of heating, enter new round circulation.
A kind of improved form of the utility model heating system is, when the hot user heating return water temperature of end more than 50 ℃ the time, be connected in series secondary hot user between hot endways user and the thermal compensation system, the heating backwater of cooling once more that flows out from secondary hot user enter the thermal compensation system and after equipment accept three grades of heating in proper order.
Another improved form of the utility model heating system is, when the hot user's of end heating return water temperature below 50 ℃ the time, also be connected in series the user side water source heat pump system between hot endways user and the thermal compensation system, this water source heat pump system is connected with the hot user of heating return pipe and branch line by the heating feed pipe, constitutes the branch line heating system.This version is applicable to and has been connected in series secondary hot user after the hot endways user, and its heating return water temperature is in the situation below 50 ℃, is connected in series the user side water source heat pump system between secondary hot user and thermal compensation system, and sets up the branch line heating system.Like this structure, the heating return water temperature that flows out from the user side water resource heat pump is lower, enter the thermal compensation system and after equipment stand three grades of heating schedules.
As optimization, water resource heat pump described in the utility model comprises that user side water resource heat pump, recirculated water water resource heat pump all adopt electric compression heat-pump apparatus.
Use the utility model heating system, can make the heat supply return water temperature under situation about being low to moderate about 35 ℃, continue to reduce, and as the low level heat source of heat pump, increase terminal hot user's area of heat-supply service, final backwater is heated to the heat supply leaving water temperature for three grades by condenser, heat pump, vapor-water heat exchanger, thereby improved the utilization rate of pipe network and the utilization rate of heat pump, improved the utilization rate of primary energy.
The utility model three grades of heating of two thermals source heating system makes full use of the low-temperature heat energy that contains in the exhaust steam of thermal power plant, nuclear power plant's condenser end and the recirculated cooling water, can reduce the cost of recirculated cooling water being implemented cooling, can reduce power plant's heat supply again with the steam that draws gas, increase the generated energy of unit, can also reduce cooling water efflux wastewater and evaporation drift water loss etc., improve efficiency of energy utilization.
Description of drawings
Fig. 1 is the utility model system equipment configuration schematic diagram.
Parts that number in the figure is represented or position are that the heat supply of 1-power plant is with drawing gas for pipe; The heat supply of 2-power plant is with the condensate pipe that draws gas; The 3-vapor-water heat exchanger; 4-heating feed pipe; 5-heating return pipe; The terminal hot user of 6-; 7-the hot user of level; 8-user side water resource heat pump; The hot user of 9-branch line; 10-thermal compensation system; 11-source of recycled water heat pump; 12-recirculated cooling water feed pipe; 13-cooling water return pipe; 14-user side water resource heat pump return pipe; 15-user side water resource heat pump feed pipe.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described further.
As shown in drawings, a kind of power plant of the utility model system equipment that space heating is used comprises the legacy equipment part: power plant's heat supply is with drawing gas for pipe 1, power plant's heat supply with the condensate pipe 2 that draws gas, vapor-water heat exchanger 3, heating feed pipe 4, terminal hot user 6, heating return pipe 5.The about 110 ℃ hot water that is flowed out by vapor-water heat exchanger 3 arrives terminal hot user 6 by heating feed pipe 4.In traditional heating system, terminal hot user 6 is connected with vapor-water heat exchanger 3 by heating return pipe 5, is connected with the condensate pipe thermal energy transfer of drawing gas with the power plant heat supply.
The utility model heating system equipment on described heating return pipe 5, be connected in series successively thermal compensation system 10,
Source of recycled water heat pump 11.Thermal compensation system 10 introduces the exhaust steam of plant condensers, and source of recycled water heat pump 11 is introduced recirculated cooling waters. and circulating cooling water of power plant draws gas as low level heat source, power plant and 1 constitutes two thermals source of the utility model heating system equipment as high potential temperature thermal source.Thermal compensation system 10, source of recycled water heat pump 11 and vapor-water heat exchanger 3 orders constitute three grades of heating arrangements of the utility model heating system to the heating of heating backwater.
Described thermal compensation system 10 adopts a kind of equipment in plant condenser, water resource heat pump or the heat exchangers as the one-level heating arrangements.
The accompanying drawing illustrated embodiment also was serially connected with secondary hot user 7 before thermal compensation system 10 on described heating return piping, to make full use of the heat of water in the heating return pipe.
The accompanying drawing illustrated embodiment also is serially connected with user side water source heat pump system 8 before thermal compensation system 10, after the secondary hot user 7 on described heating return piping.This water source heat pump system is connected by the hot user 9 of heating feed pipe 15 and heating return pipe 14 and branch line, constitutes the branch line heating system.
Described water source heat pump system 11 and user side water source heat pump system 8 all adopt electric compression heat-pump apparatus.
The variation of can in 40～90 ℃ of scopes, fluctuating of described water source heat pump system 11 outlet temperatures, the heat supply return water temperature variation of can in 10～60 ℃ of scopes, fluctuating, the terminal hot user's supply and return water temperature variation of can in 40～90 ℃ of scopes, fluctuating.
The accompanying drawing illustrated embodiment is made up of three heating and cooling processes and three heat temperature raising processes for the heat radiation flow process:
The about 110 ℃ of hot water that flowed out by vapor-water heat exchanger 3 enter common terminal hot user 6 heat radiations by pipeline 4; 50 ℃ the heating backwater of being higher than that is flowed out by hot user 6 enters secondary hot user 7, continues release heat, and water temperature is reduced to about 35 ℃; Secondary hot user's 7 heating backwater is as the low level heat source of user side water source heat pump system 8, and heat release is cooled to about 5 ℃ or is lower, finishes the heat energy cooling and utilizes process.Heating backwater about 5 ℃ carries out the one-level heating by thermal compensation system 10, and return water temperature becomes about 35 ℃ by about 5 ℃; The heating backwater flows into source of recycled water heat pump 11 by thermal compensation system 10 and accepts the secondary heating, and return water temperature becomes about 60 ℃ by about 35 ℃; The heating backwater that is flowed out by source of recycled water heat pump 11 is got back to vapor-water heat exchanger 3 and is carried out three grades of heating, and water temperature rises to about 110 ℃ by about 60 ℃, enters new one and takes turns circulation.
Claims (7)
1. system equipment that power plant uses space heating, this system comprises and is linked in power plant draw gas vapor-water heat exchanger, heating feed pipe and terminal hot user, the heating return pipe of water pipe, it is characterized in that, on described heating return piping, be connected in series thermal compensation system and source of recycled water heat pump successively, the thermal compensation system introduces the exhaust steam of plant condenser, and the source of recycled water heat pump is introduced recirculated cooling water; Circulating cooling water of power plant draws gas as low level heat source, power plant and constitutes two thermals source of heating system as high potential temperature thermal source; Thermal compensation system, source of recycled water heat pump and vapor-water heat exchanger constitute three grades of heating arrangements of heating system.
2. the system equipment that heat supply according to claim 1 is used is characterized in that, is connected in series secondary hot user between hot endways user and the thermal compensation system.
3. the system equipment that heat supply according to claim 1 is used is characterized in that, described source of recycled water heat pump adopts electric compression heat-pump apparatus.
4. the system equipment that heat supply according to claim 1 and 2 is used, it is characterized in that, also be connected in series the user side water source heat pump system between hot endways user and the thermal compensation system, this water source heat pump system is connected with the hot user of branch line (9) with heating return pipe (14) by heating feed pipe (15), constitutes the branch line heating system.
5. the system equipment that heat supply according to claim 4 is used is characterized in that, described user side water source heat pump system adopts electric compression heat-pump apparatus.
6. the system equipment that heat supply according to claim 1 is used is characterized in that, substitutes plant condenser and thermal compensation system connection with water resource heat pump, constitutes the first order heating arrangements of heating system.
7. the system equipment that heat supply according to claim 1 is used is characterized in that, substitutes plant condenser and thermal compensation system hot connection with heat exchanger, constitutes the first order heating arrangements of heating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920266081 CN201662132U (en) | 2009-11-04 | 2009-11-04 | System equipment of power plant for supplying heat to buildings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920266081 CN201662132U (en) | 2009-11-04 | 2009-11-04 | System equipment of power plant for supplying heat to buildings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201662132U true CN201662132U (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920266081 Expired - Fee Related CN201662132U (en) | 2009-11-04 | 2009-11-04 | System equipment of power plant for supplying heat to buildings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201662132U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542444A (en) * | 2012-07-16 | 2014-01-29 | 陈克秀 | System for supplying heat for heat energy users by utilizing waste heat of heating plant in echeloned mode |
| RU2560615C1 (en) * | 2014-04-07 | 2015-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") | Heat power plant operation mode |
| RU2560622C1 (en) * | 2014-04-09 | 2015-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") | Method of utilisation of low-grade heat of oil supply system of steam turbine bearings of heat power plant |
| RU2560606C1 (en) * | 2014-04-07 | 2015-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") | Heat power plant heat utilisation method |
| CN105546616A (en) * | 2016-01-22 | 2016-05-04 | 长春中安鸿程伟业节能科技有限公司 | Centralized heating system comprehensively utilizing heat energy around city |
| CN106765442A (en) * | 2017-01-18 | 2017-05-31 | 山西三水能源股份有限公司 | Once net high-temperature water Multi-class propagation great temperature difference heat supply system |
| CN107191993A (en) * | 2017-07-10 | 2017-09-22 | 陕西德龙地热开发有限公司 | A kind of mid-deep strata interference-free rock hot systems and gas fired-boiler combining heating system |
| CN109084356A (en) * | 2018-09-30 | 2018-12-25 | 陈连祥 | A kind of cold processing medium high-temperature position of need extracts the central heating system of recycle heat cooling |
| CN112489843A (en) * | 2020-11-02 | 2021-03-12 | 中广核工程有限公司 | Nuclear power plant waste heat utilization system and nuclear power plant waste heat utilization method |
| CN114659150A (en) * | 2022-04-02 | 2022-06-24 | 陈连祥 | Overline large-temperature-difference residual and waste heat energy central heating system |
| CN115076751A (en) * | 2022-06-21 | 2022-09-20 | 陈连祥 | Heating system and regional heating network |
-
2009
- 2009-11-04 CN CN 200920266081 patent/CN201662132U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542444A (en) * | 2012-07-16 | 2014-01-29 | 陈克秀 | System for supplying heat for heat energy users by utilizing waste heat of heating plant in echeloned mode |
| RU2560615C1 (en) * | 2014-04-07 | 2015-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") | Heat power plant operation mode |
| RU2560606C1 (en) * | 2014-04-07 | 2015-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") | Heat power plant heat utilisation method |
| RU2560622C1 (en) * | 2014-04-09 | 2015-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") | Method of utilisation of low-grade heat of oil supply system of steam turbine bearings of heat power plant |
| CN105546616A (en) * | 2016-01-22 | 2016-05-04 | 长春中安鸿程伟业节能科技有限公司 | Centralized heating system comprehensively utilizing heat energy around city |
| CN106765442A (en) * | 2017-01-18 | 2017-05-31 | 山西三水能源股份有限公司 | Once net high-temperature water Multi-class propagation great temperature difference heat supply system |
| CN107191993A (en) * | 2017-07-10 | 2017-09-22 | 陕西德龙地热开发有限公司 | A kind of mid-deep strata interference-free rock hot systems and gas fired-boiler combining heating system |
| CN109084356A (en) * | 2018-09-30 | 2018-12-25 | 陈连祥 | A kind of cold processing medium high-temperature position of need extracts the central heating system of recycle heat cooling |
| CN109084356B (en) * | 2018-09-30 | 2023-11-21 | 陈连祥 | Central heating system for circularly cooling heat extracted from high-temperature medium of cold process |
| CN112489843A (en) * | 2020-11-02 | 2021-03-12 | 中广核工程有限公司 | Nuclear power plant waste heat utilization system and nuclear power plant waste heat utilization method |
| CN114659150A (en) * | 2022-04-02 | 2022-06-24 | 陈连祥 | Overline large-temperature-difference residual and waste heat energy central heating system |
| CN115076751A (en) * | 2022-06-21 | 2022-09-20 | 陈连祥 | Heating system and regional heating network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20131104 |