CN212315648U - System for improving reverse osmosis water yield of chemical water by recycling exhaust steam of small thermal power steam turbine - Google Patents
System for improving reverse osmosis water yield of chemical water by recycling exhaust steam of small thermal power steam turbine Download PDFInfo
- Publication number
- CN212315648U CN212315648U CN202020758425.XU CN202020758425U CN212315648U CN 212315648 U CN212315648 U CN 212315648U CN 202020758425 U CN202020758425 U CN 202020758425U CN 212315648 U CN212315648 U CN 212315648U
- Authority
- CN
- China
- Prior art keywords
- water
- heat exchanger
- steam turbine
- collecting box
- reverse osmosis
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a little steam turbine exhaust steam of thermoelectricity is recycled and is improved water reverse osmosis water yield system that changes, including little steam turbine, cooling tower, change water clean water basin, heat exchanger, comdenstion water collecting box, drain trap, the heat exchanger set up in the top of comdenstion water collecting box, the water inlet of heat exchanger and the circulating water house steward intercommunication of cooling tower, the delivery port pipe connection of heat exchanger changes water clean water basin, the steam inlet of heat exchanger and little steam turbine exhaust steam pipe intercommunication, the comdenstion water export of heat exchanger and the water inlet pipe connection of comdenstion water collecting box, the comdenstion water collecting box delivery port is connected with the water inlet pipe connection of drain trap and is provided with the hot water elevator pump on this pipeline, all is provided with corresponding valve on each. The system for recycling the exhaust steam of the small thermal power steam turbine and improving the reverse osmosis water yield of the chemical water of the power plant greatly improves the reverse osmosis water yield of the chemical water of the power plant by using the waste heat of the exhaust steam of the small thermal power steam turbine, and simultaneously waste heat and waste water are stored for other purposes, thereby achieving the purposes of energy conservation, consumption reduction and emission reduction.
Description
Technical Field
The utility model belongs to the technical field of energy recovery and recycle technique and specifically relates to a little steam turbine exhaust steam of thermoelectricity recycles improvement and changes water reverse osmosis water yield system.
Background
The small thermal power turbine is an auxiliary device of a steam turbine of a thermal power plant. If the exhausted steam (dead steam) of the small steam turbine is directly discharged, the waste heat and the waste water (energy resources) are greatly wasted, and certain pollution is caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the system for recycling the exhaust steam of the small steam turbine of the thermal power plant and improving the reverse osmosis water yield of the chemical water is provided, so that the exhaust steam of the small steam turbine is recycled, and the purposes of energy conservation, consumption reduction and emission reduction are achieved.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a little steam turbine exhaust steam of thermoelectricity is recycled and is improved water reverse osmosis water yield system, including little steam turbine, cooling tower, change water clean water basin, heat exchanger, comdenstion water collecting box, drain trap, the heat exchanger set up in the top of comdenstion water collecting box, the water inlet of heat exchanger and the circulating water house steward intercommunication of cooling tower, the delivery port pipe connection of heat exchanger changes water clean water basin, the steam inlet of heat exchanger and the exhaust steam pipe intercommunication of little steam turbine, the comdenstion water export of heat exchanger and the water inlet pipe connection of comdenstion water collecting box, the comdenstion water collecting box delivery port is connected with the water inlet pipe connection of drain trap and is provided with the hot water elevator pump on this pipeline, all is provided with corresponding.
The system operates as follows: the exhaust steam (about 150 ℃) of the small steam turbine entering the heat exchanger and the circulating water of the cooling tower exchange heat in the heat exchanger, the circulating water of the cooling tower absorbs heat and heats up (about 60 ℃) to be discharged and conveyed to the clean water pool of the chemical water, so as to improve the temperature of the chemical water in the clean water pool of the chemical water (about 15 ℃), because the reverse osmosis water yield of the chemical water of the power plant is closely related to the temperature of the chemical water, the water yield can be increased by about 1.5 tons when the temperature of the chemical water is increased by 1 ℃, therefore, the reverse osmosis water yield of the chemical water can be; and the exhaust steam of the small steam turbine entering the heat exchanger is condensed into hot water with the temperature of about 90 ℃, the hot water is naturally discharged into the condensed water collecting box under the action of gravity, and the condensed water collected by the condensed water collecting box is conveyed into the drain tank through the hot water lifting pump so as to be used as make-up water of the deaerator.
Further, the heat exchanger is a spiral plate heat exchanger or a spiral tube heat exchanger. The spiral plate heat exchanger and the spiral tube heat exchanger are two heat exchangers which are commonly used in the market at present, are suitable for gas-liquid or liquid-liquid heat exchange and have higher heat exchange efficiency.
Still further, a liquid level sensor is arranged in the condensed water collecting box and electrically connected with the start-stop controller of the hot water lift pump. When the liquid level sensor detects that the water level in the condensed water collecting tank exceeds the preset highest water level, the hot water lift pump is forcibly instructed to start, and when the water level is detected to be lower than the preset lowest water level, the hot water lift pump is forcibly instructed to stop.
Still further, the condensed water collecting box is provided with an exhaust hole, an overflow port and a sewage draining outlet.
The utility model has the advantages that: the system for recycling the waste steam of the thermal power small steam turbine and improving the reverse osmosis water yield of the chemical water is reasonable and effective in recycling the waste steam of the small steam turbine, the reverse osmosis water yield of the chemical water of the power plant is greatly improved by using the waste heat of the waste steam of the small steam turbine, the energy resource is further saved, and meanwhile, waste heat and waste water are stored for other purposes, so that the purposes of energy conservation, consumption reduction and emission reduction are achieved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the small steam engine 2, the cooling tower 3, the water melting and cleaning tank 4, the heat exchanger 5, the condensate water collecting tank 5-1, the liquid level sensor 5-2, the exhaust hole 5-3, the overflow port 5-4, the drain outlet 6, the drain tank 7 and the hot water lift pump.
Detailed Description
The utility model provides a little steam turbine exhaust steam of thermoelectricity is recycled and is improved water reverse osmosis water yield system, as shown in figure 1, including little steam turbine 1, cooling tower 2, change water clean water basin 3, heat exchanger 4, condensate water collecting box 5, drain trap 6, heat exchanger 4 set up in the top of condensate water collecting box 5, the water inlet of heat exchanger 4 and the circulating water house steward intercommunication of cooling tower 1, the delivery port pipe connection change water clean water basin 3 of heat exchanger 4, the steam inlet of heat exchanger 4 and little steam turbine 1 exhaust steam pipe intercommunication, the condensate water export of heat exchanger 4 and the water inlet pipe connection of condensate water collecting box 5, the delivery port of condensate water collecting box 5 and the water inlet pipe connection of drain trap 6 are provided with hot water elevator pump 7 on this pipeline, all be provided with corresponding valve on each connecting tube.
The heat exchanger 4 is a spiral plate heat exchanger or a spiral tube heat exchanger. The spiral plate heat exchanger and the spiral tube heat exchanger are two heat exchangers which are commonly used in the market at present, are suitable for gas-liquid or liquid-liquid heat exchange and have higher heat exchange efficiency.
A liquid level sensor 5-1 is arranged in the condensed water collecting box 5, and the liquid level sensor 5-1 is electrically connected with a start-stop controller of a hot water lifting pump 7. When the liquid level sensor 5-1 detects that the water level in the condensed water collection tank 5 exceeds a preset highest water level, the hot water lift pump 7 is forcibly instructed to start, and when the water level is detected to be lower than a preset lowest water level, the hot water lift pump 7 is forcibly instructed to stop.
The condensed water collecting box 5 is provided with an exhaust hole 5-2, an overflow port 5-3 and a sewage draining port 5-4.
The system operates as follows: the exhaust steam (about 150 ℃) of the small steam turbine entering the heat exchanger 4 and circulating water of a cooling tower exchange heat in the heat exchanger 4, the circulating water of the cooling tower absorbs heat and is heated (about 60 ℃) to be discharged and conveyed to a chemical water clean water tank 3 so as to improve the temperature of chemical water in the chemical water clean water tank 3 (about 15 ℃), and the reverse osmosis water yield of the chemical water of a power plant is closely related to the temperature of the chemical water, so that the water yield can be increased by about 1.5 tons when the temperature of the chemical water is increased by 1 ℃, and the reverse osmosis water yield of the chemical water can be greatly improved; and the exhaust steam of the small steam turbine entering the heat exchanger 4 is condensed into hot water with the temperature of about 90 ℃, the hot water is naturally discharged into the condensed water collecting box 5 under the action of gravity, and the condensed water collected by the condensed water collecting box 5 is conveyed into the drain tank 6 through the hot water lift pump 7 to be used as the supplementing water of the deaerator.
The above embodiments are only used for explaining the present invention, and not for limiting the protection of the present invention, and any insubstantial changes made on the basis of the essential schemes of the present invention should fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a little steam turbine exhaust steam of thermoelectricity recycles and improves water reverse osmosis water yield system which characterized in that: including little steam turbine (1), cooling tower (2), change water clean water basin (3), heat exchanger (4), condensate collecting box (5), drain box (6), heat exchanger (4) set up in the top of condensate collecting box (5), the water inlet of heat exchanger (4) and the circulating water house steward intercommunication of cooling tower (2), the delivery port pipe connection change water clean water basin (3) of heat exchanger (4), the steam inlet of heat exchanger (4) and the exhaust steam pipe intercommunication of little steam turbine (1), the comdenstion water export of heat exchanger (4) and the water inlet pipe connection of condensate collecting box (5), the water inlet pipe connection of condensate collecting box (5) delivery port and drain box (6) is provided with hot water elevator pump (7) on this pipeline, all is provided with corresponding valve on each connecting tube.
2. The system for recycling exhaust steam of a thermal power small steam turbine to improve reverse osmosis water yield of chemical water as claimed in claim 1, wherein: the heat exchanger (4) is a spiral plate heat exchanger or a spiral tube heat exchanger.
3. The system for recycling exhaust steam of a thermal power small steam turbine to improve reverse osmosis water yield of chemical water as claimed in claim 1, wherein: a liquid level sensor (5-1) is arranged in the condensed water collecting box (5), and the liquid level sensor (5-1) is electrically connected with a start-stop controller of the hot water lift pump (7).
4. The system for recycling exhaust steam of a thermal power small steam turbine to improve reverse osmosis water yield of chemical water as claimed in claim 1, wherein: the condensed water collecting box (5) is provided with an exhaust hole (5-2), an overflow port (5-3) and a sewage draining outlet (5-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020758425.XU CN212315648U (en) | 2020-05-11 | 2020-05-11 | System for improving reverse osmosis water yield of chemical water by recycling exhaust steam of small thermal power steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020758425.XU CN212315648U (en) | 2020-05-11 | 2020-05-11 | System for improving reverse osmosis water yield of chemical water by recycling exhaust steam of small thermal power steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212315648U true CN212315648U (en) | 2021-01-08 |
Family
ID=74024551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020758425.XU Active CN212315648U (en) | 2020-05-11 | 2020-05-11 | System for improving reverse osmosis water yield of chemical water by recycling exhaust steam of small thermal power steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212315648U (en) |
-
2020
- 2020-05-11 CN CN202020758425.XU patent/CN212315648U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11821637B2 (en) | Energy-saving system using electric heat pump to deeply recover flue gas waste heat from heat power plant for district heating | |
| CN201475980U (en) | Exhaust steam recovering and recycling system of deaeration tower | |
| CN210317272U (en) | Oil-water separation and waste water evaporation concentration heat pump system device of oil field oil extraction gathering and transportation station | |
| CN205655279U (en) | Condensate water recovery device | |
| CN214370122U (en) | Steam waste heat recycling system for aerated brick production | |
| CN212378579U (en) | Little steam turbine exhaust steam recycling system | |
| CN104110820B (en) | Method and device for solar energy hot water and boiler waste heat recovery coupling gradient utilization | |
| CN212315648U (en) | System for improving reverse osmosis water yield of chemical water by recycling exhaust steam of small thermal power steam turbine | |
| CN209910021U (en) | Circulating cooling water waste heat recycling system | |
| CN202868667U (en) | Steam condensate liquid recovery device | |
| CN202688030U (en) | Hybrid type solar sea water desalination system | |
| CN202614039U (en) | Water collecting and heat exchange device for waste hot water afterheat recycling system | |
| CN211502980U (en) | Heating device capable of cooling reaction liquid and recycling waste heat | |
| CN104910940B (en) | High-temperature oil gas method is reclaimed in oil shale retorting classification | |
| CN210118815U (en) | Sewage heat recovery heating device | |
| CN2558919Y (en) | Heat pipe type thermoelectric water heater | |
| CN203068485U (en) | Closed type condensate water recovering equipment | |
| CN202442491U (en) | Domestic wastewater waste heat utilization device | |
| CN220541798U (en) | Low-pressure exhaust steam and condensed water heat energy efficient utilization system | |
| CN219023851U (en) | Tail gas steam-water separation recycling device for condensate water tank | |
| CN205807801U (en) | A kind of solar energy auxiliary waste water residual heat reclaims gas fired-boiler energy-saving hot-water system | |
| CN205979962U (en) | Coal fired power plant waste heat utilization heat supply network initial station | |
| CN219083863U (en) | Waste water waste heat cascade recovery system | |
| CN213687976U (en) | Novel power plant cooling water waste heat recovery system for preparing domestic hot water | |
| CN220366452U (en) | Multistage heat exchange steam heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |