CN202810980U - Integrated utilization system of using small steam turbine exhaust steam to drive heat pump - Google Patents
Integrated utilization system of using small steam turbine exhaust steam to drive heat pump Download PDFInfo
- Publication number
- CN202810980U CN202810980U CN 201220499371 CN201220499371U CN202810980U CN 202810980 U CN202810980 U CN 202810980U CN 201220499371 CN201220499371 CN 201220499371 CN 201220499371 U CN201220499371 U CN 201220499371U CN 202810980 U CN202810980 U CN 202810980U
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- heat pump
- steam turbine
- back pressure
- small steam
- pressure type
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Abstract
The utility model discloses an integrated utilization system of using small steam turbine exhaust steam to drive a heat pump. The integrated utilization system of using small steam turbine exhaust steam to drive the heat pump comprises a back pressure type small steam turbine and a heat pump machine set. A steam outlet of the back pressure type small steam turbine is connected with the heat pump machine set which is connected with one or more of a heat supply network water heater, a boiler inlet air heater and a condensation water heater. The back pressure type small steam turbine is connected with at least one piece of rotating machinery. Aiming at characteristics of an existing thermal power plant, relevant rotating machinery of the thermal power plant is driven by using the back pressure type small steam turbine, a heat pump is driven by the back pressure type small steam turbine exhaust steam, a driving small steam turbine is free from cold end loss, and meanwhile circulating water heat is recovered. Back pressure of the small steam turbine is stable, and the driving small steam turbine is mature. According to the characteristics of the thermal power plant, recovered heat can be flexibly used.
Description
Technical field
The utility model relates to engineering field, thermal power plant, especially relates to a kind of little machine steam discharge driving heat pump composite and utilizes system.
Background technique
In current global range, the imbalance between supply and demand of the energy becomes increasingly conspicuous, environmental pollution has threatened human existence, and advocating environment, the energy, economic sustainable development becomes current extremely urgent strategic issue, and countries in the world are the development and utilization of pay attention to day by day renewable energy sources and waste heat all.
As everyone knows, the thermal power plant is carried out hot merit conversion take Rankine cycle and is obtained electric energy as the basis, and according to the analysis of calorimetry, the main heat loss of power station is because the heat extraction of steam turbine cold source energy and boiler smoke loss causes.And the steam turbine cold source energy is of condensing type thermal power generation factory heat loss maximum, even if for present at first 1000MW ultra supercritical unit in the world, cold end loss also accounts for more than 50% of whole steam/water circulating heat.
The model utility content
The purpose of this utility model is to provide a kind of little machine steam discharge to drive heat pump composite and utilizes system, to solve the problems of the technologies described above.
To achieve these goals, the utility model adopts following technological scheme:
A kind of little machine steam discharge drives heat pump composite and utilizes system, comprises back pressure type small turbine and heat pump unit; The steam ouput of back pressure type small turbine connects heat pump unit; Heat pump unit connects one or more in hot net water heater, inlet air of boiler heater and the condensation water heater.
The utility model further improves and is: described back pressure type small turbine is connected with at least one rotary machine.
For prior art, the utlity model has following advantage with existing:
(1) for present thermal power plant characteristics, utilize the back pressure type small turbine to drive power station related rotation machinery, utilize back pressure type small turbine steam discharge to drive heat pump, driving little machine does not have cold end loss, has reclaimed simultaneously the circulating water heat; (2) little machine back pressure is stable, and it is ripe to drive little machine; (3) can be according to power plant's characteristics, the heat of recovery can obtain flexible utilization.
The utility model system can reduce power plant's energy consumption, save the unit coal consumption, improves generating or heating efficiency, can use in engineering, for the thermal power plant reduces factory's energy consumption, raises the efficiency, increases the economy of power plant benefit a preferably solution is provided.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Among the figure: 1, back pressure type small turbine, 2, heat pump unit, 3, the hot net water heater, 4, the inlet air of boiler heater, 5, condensation water heater.
Embodiment
Describe the technical solution of the utility model in detail below in conjunction with accompanying drawing.
See also shown in Figure 1ly, the little machine steam discharge of the utility model drives heat pump composite and utilizes system, comprises back pressure type small turbine 1, heat pump unit 2, hot net water heater 3, inlet air of boiler heater 4 and condensation water heater 5.
Back pressure type small turbine 1 drives power station related rotation machinery, utilizes back pressure type small turbine 1 steam discharge to provide reliable and stable external thermal source for heat pump unit 2; Back pressure type small turbine 1 steam discharge (about 0.26-0.6MPa) is introduced heat pump unit 2, as the driving vapour source of absorption type heat pump assembly, reclaims the electric power plant circulating water waste heat by heat pump unit 2; According to different power plant characteristics, utilize heat pump unit 2 quantities of heat given up respectively by hot net water heater 3, inlet air of boiler heater 4 and condensation water heater 5 heating heat supply network backwater, inlet air of boiler and water of condensation, rationally utilize residual heat of electric power plant.
Although the above is described the utility model by reference to the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection of the present utility model.
Claims (2)
1. one kind little machine steam discharge drives heat pump composite and utilizes system, it is characterized in that, comprises back pressure type small turbine (1) and heat pump unit (2); The steam ouput of back pressure type small turbine (1) connects heat pump unit (2); Heat pump unit (2) connects one or more in hot net water heater (3), inlet air of boiler heater (4) and the condensation water heater (5).
2. a kind of little machine steam discharge according to claim 1 drives heat pump composite and utilizes system, it is characterized in that described back pressure type small turbine (1) is connected with at least one rotary machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220499371 CN202810980U (en) | 2012-09-27 | 2012-09-27 | Integrated utilization system of using small steam turbine exhaust steam to drive heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220499371 CN202810980U (en) | 2012-09-27 | 2012-09-27 | Integrated utilization system of using small steam turbine exhaust steam to drive heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202810980U true CN202810980U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220499371 Expired - Lifetime CN202810980U (en) | 2012-09-27 | 2012-09-27 | Integrated utilization system of using small steam turbine exhaust steam to drive heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202810980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006895A (en) * | 2021-04-01 | 2021-06-22 | 济南达能动力技术有限责任公司 | Method and system for reducing station power consumption rate of power plant |
-
2012
- 2012-09-27 CN CN 201220499371 patent/CN202810980U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006895A (en) * | 2021-04-01 | 2021-06-22 | 济南达能动力技术有限责任公司 | Method and system for reducing station power consumption rate of power plant |
| CN113006895B (en) * | 2021-04-01 | 2022-02-15 | 济南达能动力技术有限责任公司 | Method and system for reducing station power consumption rate of power plant |
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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: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA Free format text: FORMER NAME: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP03 | Change of name, title or address |
Address after: 22 No. 710075, unity South Road, hi tech Industrial Development Zone, Shaanxi, Xi'an Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Address before: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee before: NORTHWEST ELECTRIC POWER DESIGN INST. OF CHINA POWER ENGINEERING CONSULTING Group |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
|
| CX01 | Expiry of patent term |