CN206514372U - Once net high-temperature water Multi-class propagation great temperature difference heat supply system - Google Patents
Once net high-temperature water Multi-class propagation great temperature difference heat supply system Download PDFInfo
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- CN206514372U CN206514372U CN201720059339.8U CN201720059339U CN206514372U CN 206514372 U CN206514372 U CN 206514372U CN 201720059339 U CN201720059339 U CN 201720059339U CN 206514372 U CN206514372 U CN 206514372U
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Abstract
The utility model proposes a kind of once net high-temperature water Multi-class propagation great temperature difference heat supply system, including：One system, it includes vapor-water heat exchanger, heat-exchange unit and the first user, after the steam of steam power plant is exchanged heat by the first system, forms a pipe network backwater；Two system, it includes water mixing machine set and second user, for being second user heat supply after the backwater of a pipe network backwater and two system is mixed, and after one time pipe network backwater exchanges heat through two system, forms two grades of backwater；Three systems, it includes water resource heat pump and the 3rd user, is the 3rd user's heat supply for being extracted from two grades of backwater after heat, after two grades of backwater exchange heat through three systems, returns to power plant.Once net high-temperature water Multi-class propagation great temperature difference heat supply system in the utility model, multiple relatively independent systems are set up in heat exchange station secondary pipe network, multistage great temperature difference heat supply is implemented into heat-exchange unit, water mixing machine set, three kinds of equipment linkages of water resource heat pump, subregion, the return water temperature of central heating system is dropped to less than 30 DEG C.
Description
Technical field
The utility model is related to great temperature difference heat supply technical field, particularly relates to a kind of once big temperature of net high-temperature water Multi-class propagation
Poor heating system.
Background technology
The heat-supplying mode of thermal power cogeneration central heating system is：The vapor-water heat exchanger that the steam of steam power plant passes through power plant initial station
The backwater of pipe network of heat supply is contacted the heat to, the backwater of a pipe network is heated as 90-110 DEG C of high-temperature-hot-water through initial station,
And heat exchange station is delivered to by the feed pipe of a pipe network through initial station water circulating pump；The high temperature of a pipe network water supply pipe in heat exchange station
Backwater of the water through heat-exchange unit and secondary pipe network returns to power plant, a pipe network backwater after carrying out heat exchange through once pipe network return pipe
Temperature is between 55-60 DEG C.
Current great temperature difference heat supply technology generally uses absorption heat exchange unit application technology, and its principle is in existing heat exchange station
Install absorption heat exchange unit additional, the backwater (55 DEG C or so) of a former pipe network of heat exchange station is passed through into the secondary of absorption heat exchange unit
Heat absorption is down to less than 30 DEG C and returns again to power plant.The application of absorption heat exchange unit in great temperature difference heat supply technology, in heat exchange station heat
Belong to two grades of utilizations on step, although the effect of cooling is served to the backwater of a net and the big temperature difference is formed, but because its product is made
Valency is high, and use cost is high, influences it to promote the use of.
Utility model content
The utility model proposes a kind of once net high-temperature water Multi-class propagation great temperature difference heat supply system, solve in the prior art
The problem of product use cost is high.
What the technical solution of the utility model was realized in：
A kind of once net high-temperature water Multi-class propagation great temperature difference heat supply system, including：One system, it include vapor-water heat exchanger,
Heat-exchange unit and the first user, after the steam of steam power plant is exchanged heat by the first system, form a pipe network backwater；Also include：Two
System, it includes water mixing machine set and second user, for being used after the backwater of a pipe network backwater and two system is mixed for second
Family heat supply, after one time pipe network backwater exchanges heat through two system, forms two grades of backwater；Three systems, it includes water resource heat pump and the 3rd and used
Family, is the 3rd user's heat supply for being extracted from two grades of backwater after heat, after two grades of backwater exchange heat through three systems, forms three-level and returns
Water, and return to power plant.
As further improvement of the utility model, in addition to：Four systems, its structure is identical with three systems, for from three
It is user's heat supply to be extracted in level backwater after heat, and the backwater that three-level backwater is formed after being exchanged heat through four systems returns to power plant.
As further improvement of the utility model, in addition to：The multilevel system being sequentially connected, it includes at least one-level system
System, it is identical with three system architectures per level system, supplied for extracting the user that heat is this grade of system from upper level backwater
Heat, the backwater of afterbody system formation returns to power plant.
The beneficial effects of the utility model are：
Once net high-temperature water Multi-class propagation great temperature difference heat supply system in the utility model, is mainly used in cogeneration of heat and power and concentrates confession
Hot systems, multiple relatively independent systems are set up in heat exchange station secondary pipe network, by heat-exchange unit, water mixing machine set, water resource heat pump three
Plant equipment linkage, subregion and implement multistage great temperature difference heat supply, mixed water direct-furnish two system is carried out with the backwater once netted, using water source
Heat pump is follow-up system heat supply；Finally the return water temperature of central heating system is set to drop to less than 30 DEG C, it is empty by absorbing steam power plant
The waste heat of cool island, reduces heat supply rate of air sucked in required, so as to increase generated energy and reduce gross coal consumption rate；With absorption heat exchange unit application
Technology can reduce by 70% compared to improvement project expense, and design, construction, operation operation and maintenance each side are easily promoted.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of once net high-temperature water Multi-class propagation great temperature difference heat supply system in embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in figure 1, being the once structural representation of net high-temperature water Multi-class propagation great temperature difference heat supply system in embodiment.
Once net high-temperature water Multi-class propagation great temperature difference heat supply system in embodiment, including：One system, two system and three are
System, wherein, a system includes：Vapor-water heat exchanger, heat-exchange unit and the first user, the steam of steam power plant are exchanged heat by the first system
Afterwards, a pipe network backwater is formed；Two system includes：Water mixing machine set and second user, for by a pipe network backwater and two system
Backwater mixing after be second user heat supply, after one time pipe network backwater exchanges heat through two system, form two grades of backwater；Three system bags
Include：Water resource heat pump and the 3rd user, are the 3rd user's heat supply for being extracted from two grades of backwater after heat, and two grades of backwater are through three
After system heat exchange, three-level backwater is formed, and return to power plant.
The return water temperature of power plant is returned to for further reduction, once net high-temperature water Multi-class propagation great temperature difference heat supply in embodiment
System, in addition to：Four systems, its structure is identical with three systems, is user's heat supply, three for being extracted from three-level backwater after heat
The backwater that level backwater is formed after being exchanged heat through four systems returns to power plant.
Once net high-temperature water Multi-class propagation great temperature difference heat supply system in embodiment, in addition to：The multilevel system being sequentially connected,
It includes at least level system, identical with three system architectures per level system, for being extracted from upper level backwater after heat
For user's heat supply of this grade of system, the backwater of afterbody system formation returns to power plant.In embodiment the quantity of multilevel system with
The quantity of heating boiler is proportional.
In embodiment, so that the quantity of heating boiler is 2 as an example, a system is prior art, with former heat-exchange unit heat supply,
After being exchanged heat through a system, a pipe network return water temperature is 55-60 DEG C；With a pipe network backwater with two system backwater in mixed water dispenser
Two system heat supply is given after being mixed in group, so far two grades of return water temperatures drop to 35-40 DEG C；Two grades of backwater are used into water as water source again
It is three system heat supplies that source heat pump, which therefrom extracts heat and delivered in the backwater of three systems, and two grades of backwater turn into 20-30 DEG C after putting forward heat
Three-level backwater；Three-level backwater turns into 20-30 DEG C of three-level backwater after putting forward heat；Three-level backwater turns into after further putting forward heat
15-20 DEG C of backwater, finally returns that power plant is used for heat recovery, returns to the backwater of power plant after condenser condensation recovery,
Heat exchange is carried out with exhaust steam of electric power plant, into next circulation.
District heating, i.e., the corresponding user's heat supply for different zones of each system, also i.e. by certain are used in embodiment
Region delivers to another region as former heat exchange station mode one-level heat supply, by the total backwater of net in the region and carries out mixed two grades of confessions of water
Heat, carries out three-level heat supply, by that analogy with the primary side backwater of two grades of heat supplies through water resource heat pump.
Once net high-temperature water Multi-class propagation great temperature difference heat supply system in the utility model, is mainly used in cogeneration of heat and power and concentrates confession
Hot systems, multiple relatively independent systems are set up in heat exchange station secondary pipe network, by heat-exchange unit, water mixing machine set, water resource heat pump three
Plant equipment linkage, subregion and implement multistage great temperature difference heat supply, mixed water direct-furnish two system is carried out with the backwater once netted, using water source
Heat pump is follow-up system heat supply；Finally the return water temperature of central heating system is set to drop to 15-20 DEG C, by absorbing steam power plant's air cooling
The waste heat on island, reduces heat supply rate of air sucked in required, so as to increase generated energy and reduce gross coal consumption rate.And compared with prior art：1)
The conservative estimation of improvement project expense can reduce by 70% compared with absorption heat exchange unit application technology；2) with absorption heat exchange unit
Application technology is compared from design, construction, operation operation and maintenance each side and says easy popularization；3) technical scheme can be
The legacy system built up carries out heat exchange station transformation and implemented, can also legacy system as a stepped zone, select a new region reality else
Apply two three-level heat supplies.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (3)
1. a kind of once net high-temperature water Multi-class propagation great temperature difference heat supply system, including：One system, it includes vapor-water heat exchanger, changed
Heat engine group and the first user, after the steam of steam power plant is exchanged heat by a system, form a pipe network backwater；Its feature exists
In, in addition to：
Two system, it includes water mixing machine set and second user, for by the backwater of a pipe network backwater and the two system
It is the second user heat supply after mixing, after a pipe network backwater exchanges heat through the two system, forms two grades of backwater；
Three systems, it includes water resource heat pump and the 3rd user, is the described 3rd for being extracted from two grades of backwater after heat
User's heat supply, after two grades of backwater exchange heat through three system, forms three-level backwater, and return to power plant.
2. once net high-temperature water Multi-class propagation great temperature difference heat supply system according to claim 1, it is characterised in that also wrap
Include：Four systems, its structure is identical with three system, is user's heat supply, institute for being extracted from the three-level backwater after heat
State the backwater formed after three-level backwater exchanges heat through four system and return to power plant.
3. once net high-temperature water Multi-class propagation great temperature difference heat supply system according to claim 2, it is characterised in that also wrap
Include：The multilevel system being sequentially connected, it includes at least level system, identical with three system architecture per level system, uses
In extracting user's heat supply that heat is this grade of system from upper level backwater, the backwater of afterbody system formation returns to power plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720059339.8U CN206514372U (en) | 2017-01-18 | 2017-01-18 | Once net high-temperature water Multi-class propagation great temperature difference heat supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720059339.8U CN206514372U (en) | 2017-01-18 | 2017-01-18 | Once net high-temperature water Multi-class propagation great temperature difference heat supply system |
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| Publication Number | Publication Date |
|---|---|
| CN206514372U true CN206514372U (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720059339.8U Expired - Fee Related CN206514372U (en) | 2017-01-18 | 2017-01-18 | Once net high-temperature water Multi-class propagation great temperature difference heat supply system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114659150A (en) * | 2022-04-02 | 2022-06-24 | 陈连祥 | Overline large-temperature-difference residual and waste heat energy central heating system |
-
2017
- 2017-01-18 CN CN201720059339.8U patent/CN206514372U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114659150A (en) * | 2022-04-02 | 2022-06-24 | 陈连祥 | Overline large-temperature-difference residual and waste heat energy central heating system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170922 Termination date: 20220118 |