CN209494773U - A kind of steam turbine pumped vacuum systems - Google Patents
A kind of steam turbine pumped vacuum systems Download PDFInfo
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- CN209494773U CN209494773U CN201920192441.4U CN201920192441U CN209494773U CN 209494773 U CN209494773 U CN 209494773U CN 201920192441 U CN201920192441 U CN 201920192441U CN 209494773 U CN209494773 U CN 209494773U
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- water
- jet
- vacuum systems
- air ejector
- pumped vacuum
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Abstract
This application provides a kind of steam turbine pumped vacuum systems, the pumped vacuum systems includes jet stream case, condenser, header tank, the first water jet air ejector is provided on the jet stream case, second water jet air ejector, industrial water pipe for from the moisturizing to jet stream case, first air inlet of first water jet air ejector and the second air inlet of the second water jet air ejector are connected with the bleeding point of the condenser, an overflow port is provided in the jet stream case, the overflow port is connected with the header tank by a third drainpipe, a connecting tube is provided on the header tank, the connecting tube is connected to the industrial water pipe, the first valve is provided on the third drainpipe.A kind of steam turbine pumped vacuum systems of the application increases overflow water recovery device, reduces industrial water consumption in power plant's production process, meet environmental assessment requirement, be effectively improved clear water consumption in power plant's production process by optimizing to original system technique.
Description
Technical field
This application involves a kind of steam turbine pumped vacuum systems.
Background technique
In the prior art, it in turbine pumped vacuum systems jetting pump operation, due to production technology demand, needs successively
Clear water is supplemented inside to jetting case to reduce jetting case internal water temperature, improves steam turbine vacuum, since system design is unreasonable,
The water of supplement directly arranges trench by overflow pipe, causes the in line cost of idleness of clear water.
Summary of the invention
The application technical problems to be solved are to provide a kind of steam turbine pumped vacuum systems.
In order to solve the above-mentioned technical problem, this application provides a kind of steam turbine pumped vacuum systems, described vacuumizing is
System includes jet stream case, condenser, header tank, be provided on the jet stream case the first water jet air ejector, the second water jet air ejector,
For the industrial water pipe of the moisturizing into jet stream case, the first air inlet and the second water jet air ejector of first water jet air ejector
The second air inlet be connected with the bleeding point of the condenser, an overflow port is provided in the jet stream case, it is described
Overflow port is connected with the header tank by a third drainpipe, and a connecting tube is provided on the header tank, described
Connecting tube be connected to the industrial water pipe, be provided with the first valve on the third drainpipe.
Preferably, the first water inlet of first water jet air ejector is communicated with one first work water pipe, and described the
One first water-jet pump is provided on one work water pipe, first water-jet pump is used to work being delivered to described first with water
In water jet air ejector；Second water inlet of second water jet air ejector be communicated with one second work water pipe, described second
One second water-jet pump is provided on work water pipe, second water-jet pump is used to work being delivered to described second with water and penetrate
In water air ejector.
Preferably, a liquidometer is additionally provided in the header tank.
Preferably, one is additionally provided in the connecting tube for the water in the header tank to be delivered to described penetrate
Flow the recovered water pump in case.
Preferably, the overflow port is also communicated with one second drainpipe, and second drainpipe is connected with trench,
The second valve is provided on second drainpipe.
Preferably, the bottom of the jet stream case is also communicated with the first drainpipe, first drainpipe and trench phase
It is connected to, is provided with third valve on first drainpipe.
Preferably, the first air inlet of first water jet air ejector is connected to described coagulate by one first exhaust tube
The bleeding point of vapour device is provided with the 4th valve on first exhaust tube.
Preferably, the second air inlet of second water jet air ejector is connected to described coagulate by one second exhaust tube
The bleeding point of vapour device is provided with the 5th valve on second exhaust tube.
A kind of steam turbine pumped vacuum systems of the application increases overflow water recycling by optimizing to original system technique
Device reduces industrial water consumption in power plant's production process, meets environmental assessment requirement, be effectively improved clear water in power plant's production process
Consumption.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of steam turbine pumped vacuum systems.
Wherein: 1, jet stream case；11, overflow port；12, the first valve；13, the second valve；14, the first drainpipe；15, third valve；
16, the second drainpipe；17, third drainpipe；2, header tank；21, liquidometer；22, connecting tube；23, recovered water pump；3, trench；
4, condenser；41, air admission valve；42, the first exhaust tube；43, the second exhaust tube；44, the 4th valve；45, the 5th valve；51,
One water-jet pump；52, the first work water pipe；53, the first water jet air ejector；54, the first water inlet；55, the first air inlet；61,
Two water-jet pumps；62, the second work water pipe；63, the second water jet air ejector；64, the second water inlet；65, the second air inlet；7, industrial
Water pipe.
Specific embodiment
The application is described further in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the application and can be practiced, but illustrated embodiment is not as the restriction to the application.
As shown, the pumped vacuum systems includes jet stream case this application provides a kind of steam turbine pumped vacuum systems
1, condenser 4, header tank 2 are provided with the first water jet air ejector 53 on the jet stream case 1, the second water jet air ejector 63, are used for
The industrial water pipe 7 of moisturizing into jet stream case 1, the first air inlet 55 of first water jet air ejector 53 and the pumping of the second jetting
Second air inlet 65 of device 63 is connected with the bleeding point of the condenser 4, is provided with an overflow port in the jet stream case 1
11, the overflow port 11 is connected with the header tank 2 by a third drainpipe 17, is arranged on the header tank 2
There is a connecting tube 22, the connecting tube 22 is connected to the industrial water pipe 7, and the is provided on the third drainpipe 17
One valve 12.First water inlet 54 of first water jet air ejector 53 be communicated with one first work water pipe 52, described first
One first water-jet pump 51 is provided on work water pipe 52, and first water-jet pump 51 is used to for work being delivered to water described
In first water jet air ejector 53；Second water inlet 64 of second water jet air ejector 63 is communicated with one second work water pipe
62, one second water-jet pump 61 is provided on the described second work water pipe 62, and second water-jet pump 61 is for the use that will work
Water is delivered in second water jet air ejector 63.A liquidometer 21 is additionally provided in the header tank 2.The connection
A recovered water pump 23 for being delivered to the water in the header tank 2 in the jet stream case 1 is additionally provided on pipe 22.Institute
The overflow port 11 stated also is communicated with one second drainpipe 16, and second drainpipe 16 is connected with trench 3, and described second
The second valve 13 is provided on drainpipe 16.The bottom of the jet stream case 1 is also communicated with the first drainpipe 14, the first row
Water pipe 14 is connected with trench 3, is provided with third valve 15 on first drainpipe 14.First water jet air ejector 53
The first air inlet 55 bleeding point of the condenser 4, first exhaust tube are connected to by one first exhaust tube 42
The 4th valve 44 is provided on 42.Second air inlet 65 of second water jet air ejector 63 is connected to by one second exhaust tube 43
To the bleeding point of the condenser 4, the 5th valve 45 is provided on second exhaust tube 43.
The working principle of the steam turbine pumped vacuum systems of the application are as follows: when the first water jet air ejector 53 and the second jetting are evacuated
When device 63 is run, the water temperature that jetting case will have certain rate of water make-up to reduce jetting case, so that it is higher to maintain 4 vacuum of condenser
State, when penetrate cistern water level rise after one dynamic equilibrium is reached by certain spillway discharge.To reach live blowdown zero
Discharge, is pooled to a header tank 2 for the water of overflow, is being delivered to industrial water pipe 7 by recovered water pump 23.Reasonably adjust jetting
The flow of the recovered water pump 23 of case rate of water make-up and header tank 2, is finally reached optimal vacuum state.When 23 failure of recovered water pump
When, the overflow water of jetting case is switched into row's trench 3, stoppage in transit recovered water pump 23.
A kind of steam turbine pumped vacuum systems of the application increases overflow water recycling by optimizing to original system technique
Device reduces industrial water consumption in power plant's production process, meets environmental assessment requirement, be effectively improved clear water in power plant's production process
Consumption.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the application, the protection model of the application
It encloses without being limited thereto.Those skilled in the art made equivalent substitute or transformation on the basis of the application, in the application
Protection scope within.The protection scope of the application is subject to claims.
Claims (8)
1. a kind of steam turbine pumped vacuum systems, which is characterized in that the pumped vacuum systems includes jet stream case, condenser, catchments
Case,
The first water jet air ejector, the second water jet air ejector are provided on the jet stream case, for the work of the moisturizing into jet stream case
Industry water pipe, the first air inlet of first water jet air ejector and the second air inlet of the second water jet air ejector are coagulated with described
The bleeding point of vapour device is connected,
An overflow port is provided in the jet stream case, the overflow port passes through a third drainpipe phase with the header tank
It is connected to, a connecting tube is provided on the header tank, the connecting tube is connected to the industrial water pipe, the third
The first valve is provided on drainpipe.
2. a kind of steam turbine pumped vacuum systems as described in claim 1, which is characterized in that first water jet air ejector
First water inlet is communicated with one first work water pipe, is provided with one first water-jet pump on the first work water pipe, described
First water-jet pump is used to for work being delivered in first water jet air ejector with water；
Second water inlet of second water jet air ejector is communicated with one second work water pipe, and described second works on water pipe
It is provided with one second water-jet pump, second water-jet pump is used to work being delivered to second water jet air ejector with water
It is interior.
3. a kind of steam turbine pumped vacuum systems as described in claim 1, which is characterized in that be additionally provided in the header tank
One liquidometer.
4. a kind of steam turbine pumped vacuum systems as described in claim 1, which is characterized in that be additionally provided in the connecting tube
One recovered water pump for being delivered to the water in the header tank in the jet stream case.
5. a kind of steam turbine pumped vacuum systems as described in claim 1, which is characterized in that the overflow port is also communicated with one
Second drainpipe, second drainpipe are connected with trench, are provided with the second valve on second drainpipe.
6. a kind of steam turbine pumped vacuum systems as described in claim 1, which is characterized in that the bottom of the jet stream case also connects
It is connected with the first drainpipe, first drainpipe is connected with trench, is provided with third valve on first drainpipe.
7. a kind of steam turbine pumped vacuum systems as described in claim 1, which is characterized in that first water jet air ejector
First air inlet is connected to the bleeding point of the condenser by one first exhaust tube, is provided on first exhaust tube
4th valve.
8. a kind of steam turbine pumped vacuum systems as claimed in claim 7, which is characterized in that second water jet air ejector
Second air inlet is connected to the bleeding point of the condenser by one second exhaust tube, is provided on second exhaust tube
5th valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920192441.4U CN209494773U (en) | 2019-02-12 | 2019-02-12 | A kind of steam turbine pumped vacuum systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920192441.4U CN209494773U (en) | 2019-02-12 | 2019-02-12 | A kind of steam turbine pumped vacuum systems |
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| Publication Number | Publication Date |
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| CN209494773U true CN209494773U (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920192441.4U Active CN209494773U (en) | 2019-02-12 | 2019-02-12 | A kind of steam turbine pumped vacuum systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893261A (en) * | 2022-05-07 | 2022-08-12 | 新乡市汇能玉源发电有限公司 | Efficient steam turbine water jet air exhaust system control device |
-
2019
- 2019-02-12 CN CN201920192441.4U patent/CN209494773U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893261A (en) * | 2022-05-07 | 2022-08-12 | 新乡市汇能玉源发电有限公司 | Efficient steam turbine water jet air exhaust system control device |
| CN114893261B (en) * | 2022-05-07 | 2023-12-08 | 新乡市汇能玉源发电有限公司 | Efficient control device for water injection and air extraction system of steam turbine |
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