CN202370587U - Low-temperature power generation and hot water heating system - Google Patents
Low-temperature power generation and hot water heating system Download PDFInfo
- Publication number
- CN202370587U CN202370587U CN 201120536312 CN201120536312U CN202370587U CN 202370587 U CN202370587 U CN 202370587U CN 201120536312 CN201120536312 CN 201120536312 CN 201120536312 U CN201120536312 U CN 201120536312U CN 202370587 U CN202370587 U CN 202370587U
- Authority
- CN
- China
- Prior art keywords
- low
- temperature
- hot water
- cooling water
- heat
- 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.)
- Expired - Fee Related
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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a low-temperature power generation and hot water heating system. The system comprises a low-temperature power generation set, wherein a hot water inlet, a hot water outlet, a cooling water inlet and a cooling water outlet are formed in the low-temperature power generation set; the cooling water inlet is connected with the cooling water outlet through a pipeline; a cooling water circulating water pump and a first heat pump are arranged on the connecting pipeline between the cooling water inlet and the cooling water outlet; a heat source circulating pump, a second heat pump and a floor radiant heating device are arranged between the hot water inlet and the hot water outlet; when the system is used, first, power is generated by the low-temperature power generation set by utilizing relatively high temperature water; then, the water obtained after the power is generated is utilized for heating through the floor radiant heating device; and finally, the water obtained after heating serves as a low-temperature heat source of the heat pumps for supplying heat or producing hot water. Low-temperature power generation and indoor heating are performed by taking low-temperature terrestrial heat or industrial afterheat of the system as energy, so that the cascade utilization of energy is realized; and a high-grade heat source and a low-grade heat source are combined and utilized, so that the utilization rate of energy resources is improved.
Description
Technical field
The utility model relates to a kind of generating and heating system, relates to a kind of low-temperature electricity-generating and hot-water heating system specifically.
Background technique
China is the abundant relatively countries of geothermal resources, and the geothermal resources total amount accounts for 7.9% of the whole world, and recoverable reserve is equivalent to 4626.5 hundred million tons of standard coals.China is main with middle low-temperature geothermal resource mainly; Middle low-temperature geothermal resource distributes extensively, and the various places that almost spread all over the country mainly are distributed in loose distant Plain, the Yellow River and Huai He River sea plain, Jianghan Plain, the Shandong Peninsula and the southeastern coastal areas; Its main hot reservoir is that the hundreds of rice of thickness are to thousands of meters tertiary system sandstone, glutenite; Temperature has been found more than 3000 of the total geothermal springs in the whole nation at present about 40-80 ℃, adopt low-temperature water heating to come the generation technology prospect very wide.
Different with big-and-middle-sized thermal power generation; Low-temperature cogeneration technology is to generate electricity through the contained low-grade heat of waste steam, flue gas that reclaims the continual middle low temperature that in atmosphere environment, discharge of enterprise such as chemical industry, oil, building materials, light textile, metallurgy, pharmacy, food, papermaking, electronic apparatus; It is converted into high energy with enterprise at the low-grade or discarded heat energy that production link produces---electric energy, so it is a high-efficiency energy-saving technology of turning waste into wealth.This technology can successfully directly convert low-grade waste heat to electric energy, and not only cost of investment is low, and remarkable in economical benefits, is large enterprise's heat recovery, an energy-saving and cost-reducing effective way and the method for having found.Utilize the low-temperature electricity-generating unit, extract the useful resources in the waste heat, be about to industrial exhaust heat as operation power, carry out exhaust heat recovery power generation, can reclaim useful energy to greatest extent, the energy of optimizing in the industrial waste heat discharge process utilizes system.
Heat energy has grade; Temperature is high more, sample high more, if high-grade heat energy will be formed very big waste as low-grade heat energy utilization; Reduced rate of energy, now HQ high grade thermal source and low-grade heat source have been made up that to utilize be a difficult problem.
The model utility content
The problem that the utility model will solve is to above problem, and the low-temperature electricity-generating and the hot-water heating system that can HQ high grade thermal source and low-grade heat source be made up utilization, improve energy utilization rate are provided.
For addressing the above problem; The technological scheme that the utility model adopted is: a kind of low-temperature electricity-generating and hot-water heating system; Comprise the low-temperature electricity-generating unit; Said low-temperature electricity-generating unit is provided with hot water inlet, hot water outlet, cooling water intake and coolant outlet; Said cooling water intake is connected through pipeline with coolant outlet, and the connecting tube between said cooling water intake and the coolant outlet is provided with the cooling water cycle water pump and first heat pump, is provided with thermal source recycle pump, second heat pump and radiant heating plant of floor between said hot water inlet and the hot water outlet.
A kind of concrete optimized project, said low-temperature electricity-generating unit is the screw expander generator set.
The utility model is taked above technological scheme; Have the following advantages: during use, utilize relative high-temperature water to generate electricity earlier, utilize the water that distributes electricity to carry out heating then through radiant heating plant of floor through the low-temperature electricity-generating unit; The low-temperature heat source that the water that heating is come out serves as heat pump again heats or produces hot water; Native system low temperature underground heat or industrial exhaust heat carry out low-temperature electricity-generating and indoor heating as energy, have realized the cascade utilization of energy; HQ high grade thermal source and low-grade heat source are made up utilization, improved rate of energy.
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Description of drawings
Accompanying drawing is the structural representation of a kind of low-temperature electricity-generating and hot-water heating system among the utility model embodiment.
Among the figure:
1-thermal source circulating water pump; 2-low-temperature electricity-generating unit; The 3-hot water inlet; The 4-hot water outlet; The 5-coolant outlet; 6-cooling water cycle water pump; 7-first heat pump; The 8-cooling water intake; The 9-radiant heating plant of floor; 10-second heat pump.
Embodiment
Embodiment: shown in accompanying drawing; A kind of low-temperature electricity-generating and hot-water heating system; Comprise low-temperature electricity-generating unit 2; Said low-temperature electricity-generating unit 2 is provided with hot water inlet 3, hot water outlet 4, cooling water intake 8 and coolant outlet 5; Said cooling water intake 8 and coolant outlet 5 are connected through pipeline, and the connecting tube between said cooling water intake 8 and the coolant outlet 5 is provided with the cooling water cycle water pump 6 and first heat pump 7, is provided with thermal source recycle pump 1, second heat pump 10 and radiant heating plant of floor 9 between said hot water inlet 3 and the hot water outlet 4.
Said low-temperature electricity-generating unit 2 is the screw expander generator set.
Industrial exhaust heat or underground heat hot water get into low-temperature electricity-generating unit 2 through thermal source circulating water pump 1, get into radiant heating plant of floor 9 after the low-temperature water heating heat release, get into second heat pump 10 then, are reduced to 4 ℃ after the heat release; 8 ℃ cooling water gets into first heat pump 7 from low-temperature electricity-generating unit 2 back of coming out through cooling water cycle water pump 6, become after the heat release 4 ℃ water get into low-temperature electricity-generating unit 2 again heat absorption become 8 ℃ cooling water.
Native system can improve the utilization ratio of low temperature underground heat or industrial exhaust heat, makes 60 ℃～100 ℃ hot water that dropped to 4 ℃ of gradient arranged, and has improved the efficient of industrial afterheat power generation unit simultaneously.
Claims (2)
1. low-temperature electricity-generating and hot-water heating system; Comprise low-temperature electricity-generating unit (2); It is characterized in that: said low-temperature electricity-generating unit (2) is provided with hot water inlet (3), hot water outlet (4), cooling water intake (8) and coolant outlet (5); Said cooling water intake (8) is connected through pipeline with coolant outlet (5); Connecting tube between said cooling water intake (8) and the coolant outlet (5) is provided with cooling water cycle water pump (6) and first heat pump (7), is provided with thermal source recycle pump (1), second heat pump (10) and radiant heating plant of floor (9) between said hot water inlet (3) and the hot water outlet (4).
2. according to described a kind of low-temperature electricity-generating of claim 1 and hot-water heating system, it is characterized in that: said low-temperature electricity-generating unit (2) is the screw expander generator set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120536312 CN202370587U (en) | 2011-06-09 | 2011-12-20 | Low-temperature power generation and hot water heating system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120192364 | 2011-06-09 | ||
| CN201120192364.6 | 2011-06-09 | ||
| CN 201120536312 CN202370587U (en) | 2011-06-09 | 2011-12-20 | Low-temperature power generation and hot water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202370587U true CN202370587U (en) | 2012-08-08 |
Family
ID=46594293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120536312 Expired - Fee Related CN202370587U (en) | 2011-06-09 | 2011-12-20 | Low-temperature power generation and hot water heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202370587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105283668A (en) * | 2012-12-28 | 2016-01-27 | 兰州金福乐生物工程有限公司 | Negative-pressure phase-change power generation system and turbine generator |
| CN115900032A (en) * | 2022-11-10 | 2023-04-04 | 厦门烟草工业有限责任公司 | Waste heat utilization system and control method thereof |
-
2011
- 2011-12-20 CN CN 201120536312 patent/CN202370587U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105283668A (en) * | 2012-12-28 | 2016-01-27 | 兰州金福乐生物工程有限公司 | Negative-pressure phase-change power generation system and turbine generator |
| CN105283668B (en) * | 2012-12-28 | 2018-05-08 | 兰州金福乐生物工程有限公司 | A kind of negative pressure phase transformation electricity generation system and turbine generator device |
| CN115900032A (en) * | 2022-11-10 | 2023-04-04 | 厦门烟草工业有限责任公司 | Waste heat utilization system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hong et al. | Proposed partial repowering of a coal-fired power plant using low-grade solar thermal energy | |
| CN106224041A (en) | A kind of electric heating energy-storage system | |
| CN101929360B (en) | Medium-low temperature heat source generating set based on energy cascade utilization and thermal circulation method thereof | |
| CN109681281B (en) | Biomass cogeneration system capable of simultaneously recovering exhaust steam and flue gas waste heat | |
| CN103032912B (en) | Solar integrated Rankine-Rankine system floor heating device | |
| CN202007693U (en) | Recovery device for low-temperature waste heat in power plant | |
| CN102454440A (en) | Board slot combined solar energy and thermal power station complementary generating system | |
| CN202732203U (en) | Novel hydropower station | |
| Li et al. | Study of new cascade heating system with multi-heat sources based on exhausted steam waste heat utilization in power plant | |
| CN101638998B (en) | Front-end double pressure heat absorbing and heat returning circulating thermal system for thermal generator set | |
| CN104847428B (en) | A kind of external-burning type Boulez with solar energy heating pauses combined cycle generating unit | |
| CN102502903B (en) | System and process for realizing zero discharge of gas and steam in iron and steel plants by adopting seawater desalination | |
| CN202220630U (en) | Low-temperature waste heat recovery plant used in petrochemical industry | |
| CN102305113A (en) | Low-temperature waste heat recycling equipment in petrochemical industry | |
| CN203489712U (en) | Novel generating equipment with integrated application of waste heat in sintering, steel making and steel rolling | |
| CN202370587U (en) | Low-temperature power generation and hot water heating system | |
| CN201715492U (en) | Set back-heating system adopting different pressure ratings of steam | |
| CN201705599U (en) | Trough type solar energy thermal power generation system | |
| CN109869205B (en) | Heat storage, power generation and heat supply system for cogeneration unit | |
| CN201917228U (en) | Power generation system with residual heat of fume | |
| CN104847499A (en) | Britten combined cycle power generation device with solar energy heating | |
| CN206073213U (en) | A kind of thermoelectricity stored energy distribution formula heating system | |
| CN201827034U (en) | Plate-trough combined solar and thermal power station complementary power generating system | |
| CN201246193Y (en) | Thermal storage power generating apparatus utilizing solar energy and air heat energy extraction technology | |
| CN202108547U (en) | Low-temperature generating unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG HONGLI HOT PUMP ENERGY CO., LTD. Free format text: FORMER NAME: SHANDONG HONGLI AIR CONDITIONING EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 261205 Shandong Province, Weifang city high tech Development Zone Hui Yin Road No. 2751 Patentee after: SHANDONG HONGLI PUMP ENERGY CO., LTD. Address before: 261041 Shandong city of Weifang province high tech Zone Hui Middle Road Patentee before: Shandong Hongli Air-Conditioning Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20161220 |