CN201228565Y - Extraction steam turbine power generation system - Google Patents
Extraction steam turbine power generation system Download PDFInfo
- Publication number
- CN201228565Y CN201228565Y CNU2008201222288U CN200820122228U CN201228565Y CN 201228565 Y CN201228565 Y CN 201228565Y CN U2008201222288 U CNU2008201222288 U CN U2008201222288U CN 200820122228 U CN200820122228 U CN 200820122228U CN 201228565 Y CN201228565 Y CN 201228565Y
- Authority
- CN
- China
- Prior art keywords
- water
- condenser
- pipe
- power generation
- station
- 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
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses an extraction condensing type turbine generating system comprising a clean water tank, a water hydrating pump, a water hydrating station, a deaerator, a boiler and a steam turbine, which are connected in sequence through water pipes; each water pipe is provided with a switch valve, wherein one end of the steam turbine is connected with a condenser through the water pipes, the water hydrating pump branches out a water inlet pipe connected with a circulating water inlet pipe end of the condenser, and the water inlet pipe is provided with a water inlet valve, a circulating water return pipe end of the condenser branches out a water outlet pipe connected with the water hydrating station, and the water outlet pipe is provided with a water outlet valve. The extraction condensing type turbine generating system can reduce usage amount of heating steam from the deaerator, and can effectively use low-temperature and low-pressure steam heat in the condenser.
Description
Technical field
The utility model discloses a kind of sucking condensing turbine power generation system.
Background technique
Existing sucking condensing turbine power generation system as shown in Figure 1, working principle is as follows: the clear water in the clear water reserviors is through changing entering of the outlet pipe water station of water pump, after handling, water station becomes demineralized water through changing, demineralized water enters boiler again behind oxygen-eliminating device, the high-temperature high-pressure overheat steam that produces in the boiler enters steam turbine again, blade acting to steam turbine makes it to rotate, thereby drives steam turbine power generation.High-temperature high-pressure overheat steam after acting part is as heating steam, outwards heat supply, and another part becomes low temperature and low pressure steam (exhaust steam), and this low temperature and low pressure steam cools off by condenser again.
Anatomize above-mentioned principle, be not difficult to find its deficiency:
One, in power generation process, because constantly the clear water temperature of replenishing is generally lower, particularly particularly evident in the winter time, reach 104 ℃ in order to make the oxygen-eliminating device water-exit temperature, certainly will increase the heating steam amount of oxygen-eliminating device.
Two, condenser cools off the low temperature and low pressure steam of discharging in the steam turbine, and the heat of low temperature and low pressure steam is recycled water and takes away, and not only wastes among atmosphere, and cooling system also will consume a large amount of electric energy.
Three, be between 25 ℃～30 ℃ in view of changing the water station counter-infiltration system to requirement the best of entering water temp, if water temperature is low excessively, then equipment can't the normal full load operation, therefore in autumn, winter, spring, must heat clear water.
Under two cover reverse osmosis normal full load runnabilitys (every cover water yield is 100T/h), if entering water temp is heated to 25 ℃ from 10 ℃, then needing the heating steam amount is 200 * 10
3÷ 75% * (25-10) ÷ 729.1 kilocalories=5.48 ton/hour (calculating heating steam is P=1.0Mpa, t=300 ℃, i=729.1 kilocalorie), wherein the concentrated water discharge heating steam amount of wasting is 5.48 * 25%=1.37 ton/hour (the reverse osmosis recovery rate is 75%).
In addition, the clear water temperature also has certain influence to the ion-exchange process system, improves water temperature and can improve the regeneration effect of ion exchange.
In view of this, the utility model is improved existing sucking condensing turbine power generation system, is intended to reduce the heat that the heating steam consumption also effectively utilizes low temperature and low pressure steam in the condenser, and this case produces thus.
The model utility content
In order to address the above problem, the purpose of this utility model is to provide a kind of sucking condensing turbine power generation system that not only can reduce the use amount of oxygen-eliminating device heating steam but also can effectively utilize low temperature and low pressure steam heat in the condenser.
To achieve these goals, the technological scheme that the utility model adopted is:
A kind of sucking condensing turbine power generation system, comprise the clear water reserviors, change water pump, change water station, oxygen-eliminating device, boiler, the steam turbine that are connected by water pipe successively, and a switch valve is installed all on each water pipe, wherein steam turbine one end is connected with a condenser by water pipe, there is an intake pipe that is connected with the circulating water inlet end of condenser in describedization water pump branch, and an inlet valve is installed on this intake pipe, there is an outlet pipe that is connected with the change water station in the circulating water backwater pipe end branch of condenser, and an outlet valve is installed on this outlet pipe.
On the described intake pipe flowmeter is installed, and this flowmeter is being changed between water pump and the inlet valve.
Be connected with a water pipe that has an electronic escape cock between describedization water station and the clear water reserviors.
Described with going back and be connected to a Direct spring loaded safety valve on the water pipe of electronic escape cock.
After adopting such scheme, the utility model is in change water pump top set one intake pipe that is connected with the circulating water inlet end of condenser to be arranged, and an inlet valve is installed on this intake pipe, there is an outlet pipe that is connected with the change water station in the circulating water backwater pipe end branch of condenser, and an outlet valve is installed on this outlet pipe; When the clear water water temperature (entering water temp) in the clear water reserviors is lower than 25 ℃, close connectionization water pump and the switch valve of changing water station, open inlet valve, outlet valve, the clear water of supplying with in this momentization water pump will enter condenser by inlet valve, low temperature and low pressure steam in condenser heats, then again by entering of outlet valve water station.Clear water temperature after the condenser heating all can reach about 28 ℃, so not only reduces the use amount of oxygen-eliminating device heating steam, and can effectively utilize the heat of low temperature and low pressure steam in the condenser again.In addition, supply with the feed temperature of the clear water temperature of condenser,, also saved the power consumption of condenser recirculated cooling water simultaneously so required cooling water inflow also descends significantly in the condenser far below circulating water owing to change water pump.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the structural representation of sucking condensing turbine power generation system in the prior art;
Fig. 2 is a structural representation of the present utility model.
Embodiment
As shown in Figure 2, it is preferred embodiment of the present utility model, comprise the clear water reserviors, change water pump, change water station, oxygen-eliminating device, boiler, the steam turbine that are connected by water pipe successively, and a switch valve is installed all on each water pipe, wherein steam turbine one end is connected with a condenser by water pipe, and this is existing common structure.
The improvement of this case is: changing water pump branch has an intake pipe that is connected with the circulating water inlet end of condenser, and an inlet valve 1 is installed on this intake pipe, there is an outlet pipe that is connected with the change water station in the circulating water backwater pipe end branch of condenser, and an outlet valve 2 is installed on this outlet pipe.When the clear water water temperature (entering water temp) in the clear water reserviors is not less than 25 ℃, close inlet valve 1, outlet valve 2, open connectionizations water pump and the switch valve of changing water station, the change water pump is with the direct supply water station of clear water, and making water station normal full load moves; When the clear water water temperature (entering water temp) in the clear water reserviors is lower than 25 ℃, close connectionization water pump and the switch valve of changing water station, open inlet valve 1, outlet valve 2, the clear water of supplying with in this momentization water pump will enter condenser by inlet valve 1, low temperature and low pressure steam in condenser heats, then again by outlet valve 2 entering water stations.Clear water temperature after the condenser heating all can reach about 28 ℃, so not only reduces the use amount of oxygen-eliminating device heating steam, and can effectively utilize the heat of low temperature and low pressure steam in the condenser again.In addition, supply with the feed temperature of the clear water temperature of condenser,, also saved the power consumption of condenser recirculated cooling water simultaneously so required cooling water inflow also descends significantly in the condenser far below circulating water owing to change water pump.Significantly reduce because condenser is reused the amount of recirculated cooling water, do not have concentration rate substantially, scale formation is farthest slowed down.
In order to guarantee the economical operation of whole system, change the size of discharge of pump and should decide on the condenser operating mode.Supply with the clear water amount of condenser for knowing water pump clearly, so that judge that can satisfy the condenser exhaust cools off required, flowmeter 3 is installed on intake pipe, and this flowmeter 3 changing between water pump and the inlet valve 1, flow demonstration numerical value is being sent to water station and machine stove central station of floating dock respectively.
Change and to be connected with a water pipe that has an electronic escape cock 4 between water station and the clear water reserviors.Because the required cooling water inflow water yield required with changing water station of condenser is not consistent, therefore, when cooling water inflow used in the condenser when changing the required water yield of water station, enter clear water reserviors by electronic escape cock 4 discharge unit clear water, so not only guarantee the cooling water inflow that condenser is required, and making water station proper functioning.Electronic escape cock 4 is set with automatic discharge pressure, when the pressure (in the water pipe ≧ 0.3MPa) rises to setting pressure and after time-delay, electronic escape cock 4 automatic slowlies are opened and released, meets the requirements to guarantee required cooling water inflow and the hydraulic pressure of condenser.
For the hydraulic pressure in further the guaranteeing water station meets the requirements, with on the water pipe of electronic escape cock 4 also and be connected to a Direct spring loaded safety valve 5, as the usefulness of duplicate protection.
When the clear water water temperature (entering water temp) in the clear water reserviors is not less than 25 ℃, close inlet valve 1, outlet valve 2, open switch valve and other relevant device on other all water pipes.This moment, the utility model working principle was as follows:
Clear water in the clear water reserviors becomes demineralized water through changing after water station is handled through changing entering of water pump water station, and demineralized water enters boiler again behind oxygen-eliminating device, the high pressure superheated steam that produces in the boiler enters steam turbine again, blade acting to steam turbine makes it to rotate, thereby drives steam turbine power generation; High pressure superheated steam after the acting becomes low temperature and low pressure steam, and this low temperature and low pressure steam cools off by condenser again.
When the clear water water temperature (entering water temp) in the clear water reserviors is lower than 25 ℃, close connectionization water pump and the switch valve of changing water station, open rest switch valve and other relevant device, open inlet valve 1, outlet valve 2 in addition.This moment, the utility model working principle was as follows:
Clear water in the clear water reserviors is extracted out through changing water pump, be supplied to condenser through inlet valve 1 again, low temperature and low pressure steam in condenser heats, then again by outlet valve 2 entering water stations, become demineralized water through changing after water station is handled, demineralized water enters boiler again behind oxygen-eliminating device, the high pressure superheated steam that produces in the boiler enters steam turbine again, blade acting to steam turbine makes it to rotate, thereby drives steam turbine power generation; High pressure superheated steam after the acting becomes low temperature and low pressure steam, and this low temperature and low pressure steam cools off by condenser again.
Claims (4)
1, a kind of sucking condensing turbine power generation system, comprise the clear water reserviors, change water pump, change water station, oxygen-eliminating device, boiler, the steam turbine that are connected by water pipe successively, and a switch valve is installed all on each water pipe, wherein steam turbine one end is connected with a condenser by water pipe, it is characterized in that: there is an intake pipe that is connected with the circulating water inlet end of condenser in describedization water pump branch, and an inlet valve is installed on this intake pipe, there is an outlet pipe that is connected with the change water station in the circulating water backwater pipe end branch of condenser, and an outlet valve is installed on this outlet pipe.
2, sucking condensing turbine power generation system as claimed in claim 1 is characterized in that: on the described intake pipe flowmeter is installed, and this flowmeter is being changed between water pump and the inlet valve.
3, sucking condensing turbine power generation system as claimed in claim 1 is characterized in that: be connected with a water pipe that has an electronic escape cock between describedization water station and the clear water reserviors.
4, sucking condensing turbine power generation system as claimed in claim 3 is characterized in that: described with going back and be connected to a Direct spring loaded safety valve on the water pipe of electronic escape cock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201222288U CN201228565Y (en) | 2008-07-31 | 2008-07-31 | Extraction steam turbine power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201222288U CN201228565Y (en) | 2008-07-31 | 2008-07-31 | Extraction steam turbine power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201228565Y true CN201228565Y (en) | 2009-04-29 |
Family
ID=40633517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201222288U Expired - Fee Related CN201228565Y (en) | 2008-07-31 | 2008-07-31 | Extraction steam turbine power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201228565Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395547A (en) * | 2018-12-21 | 2019-03-01 | 聊城信源集团有限公司 | A kind of chemical demineralizing water and flue gas desulfurization total system and its application method |
| CN109513324A (en) * | 2018-12-21 | 2019-03-26 | 聊城信源集团有限公司 | A kind of water-saving desulfurization total system of flue gas |
-
2008
- 2008-07-31 CN CNU2008201222288U patent/CN201228565Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395547A (en) * | 2018-12-21 | 2019-03-01 | 聊城信源集团有限公司 | A kind of chemical demineralizing water and flue gas desulfurization total system and its application method |
| CN109513324A (en) * | 2018-12-21 | 2019-03-26 | 聊城信源集团有限公司 | A kind of water-saving desulfurization total system of flue gas |
| CN109513324B (en) * | 2018-12-21 | 2024-05-28 | 聊城信源集团有限公司 | Comprehensive treatment system for water-saving desulfurization of flue gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101303201A (en) | Method of waste heat recovery utilization in cheese dyeing course | |
| CN105993722A (en) | Solar heating warming system for vegetable fruit greenhouse | |
| CN210035434U (en) | Multi-energy complementary steam energy-saving system | |
| CN202074601U (en) | Steam exhausting, waste heat recovering and heating system of direct air cooling unit | |
| CN102635847B (en) | Water feeding system for multiple condensing boilers | |
| CN201228565Y (en) | Extraction steam turbine power generation system | |
| CN110726132B (en) | Method and system for supplying water to steam generator of nuclear power station under low-power working condition | |
| CN210532424U (en) | Low-temperature waste heat utilization system | |
| CN102095221A (en) | Temperature control method for multiple heat sources | |
| CN104406148B (en) | Rectifying column air cooler waste heat recovery generating system | |
| CN102374692A (en) | Power-plant waste-heat recovering device | |
| CN103017140B (en) | Biomass electric power plant cigarette wind waste heat recovery plant | |
| CN202254491U (en) | High temperature heat pump device for recovering waste heat of printing and dyeing wastewater | |
| CN202182458U (en) | Heat-supply-network water drainage system of supercritical direct air-cooling heat supply unit | |
| CN204851350U (en) | Utilize living water heating system of power plant's exhaust steam waste heat | |
| CN112161407A (en) | Heat exchange energy-saving system and method for regenerative system of solar thermal-coupled thermal power generating unit | |
| CN211502980U (en) | Heating device capable of cooling reaction liquid and recycling waste heat | |
| CN108443861B (en) | Energy-saving device for eliminating back pressure of closed condensate water recovery system | |
| CN202300595U (en) | Tail gas waste heat recovering system of diesel engine for drilling | |
| CN210688177U (en) | Recovery device for high-temperature steam condensate and waste heat | |
| CN204301024U (en) | A kind of rectifying column air cooling device heat-recovering generating plant | |
| CN206386911U (en) | A kind of chemical water heating system | |
| CN202221246U (en) | Slag heat recovery system | |
| CN218002232U (en) | Sintering waste heat power generation device | |
| CN218626800U (en) | Low-grade flue gas waste heat recovery system |
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: 20090429 Termination date: 20110731 |