CN208918604U - Turbine by-pass condensed water vacuum recovery system - Google Patents
Turbine by-pass condensed water vacuum recovery system Download PDFInfo
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- CN208918604U CN208918604U CN201821651330.7U CN201821651330U CN208918604U CN 208918604 U CN208918604 U CN 208918604U CN 201821651330 U CN201821651330 U CN 201821651330U CN 208918604 U CN208918604 U CN 208918604U
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Abstract
This application discloses a kind of turbine by-pass condensed water vacuum recovery systems, including steam turbine, the first reducing-and-cooling plant being connected with jet chimney, second reducing-and-cooling plant, vacuum gate valve, vacuum condenser and control system, second reducing-and-cooling plant is connected to the first reducing-and-cooling plant, vacuum condenser is connected to the second reducing-and-cooling plant, vacuum condenser connects steam turbine, vacuum condenser connection feedwater piping is utilized again with condensed water is transmitted back to feedwater piping, pressure and temperature reducing is carried out by the steam that the first reducing-and-cooling plant and the second reducing-and-cooling plant come to jet chimney conveying, it will be condensed again by the steam of pressure and temperature reducing by vacuum condenser, in steam turbine emergency stop or failure, pass through turbine by-pass condensed water vacuum recovery system recovered steam, protect steam turbine, and it realizes and cold and hot opens vapour fastly Turbine function helps to shorten the steam turbine cold conditions available machine time.
Description
Technical field
The utility model relates to steam turbine fields, and in particular to a kind of turbine by-pass condensed water vacuum recovery system.
Background technique
Currently, steam is directly led to plant area after steam carries out pressure and temperature reducing using common first reducing-and-cooling plant
Outside, common first reducing-and-cooling plant are primarily adapted for use in the steam parameter of conventional process steam, and function is main
Be it is stable, common first reducing-and-cooling plant can not be applicable in the turbine by-pass vacuum of refuse-burning plant, biomass power plant
Recovery system, and steam turbine emergency stop cannot be protected, cold and hot it cannot open fastly steam turbine.
Utility model content
The utility model is in view of the above-mentioned problems, propose a kind of turbine by-pass condensed water vacuum recovery system.
The technical solution that the utility model is taken is as follows:
A kind of turbine by-pass condensed water vacuum recovery system, including steam turbine, jet chimney, feedwater piping, first subtract
Warm decompressor, the second reducing-and-cooling plant, vacuum gate valve, vacuum condenser and control system, control system connection first subtract
Warm decompressor and the second reducing-and-cooling plant are to control the first reducing-and-cooling plant and the second reducing-and-cooling plant, feedwater piping
It is connected to the first reducing-and-cooling plant and the second reducing-and-cooling plant and is subtracted with conveying water to the first reducing-and-cooling plant and the second desuperheat
Pressure device, jet chimney are used to convey steam turbine front end main steam and bypass the steam to come, the first reducing-and-cooling plant and steam
Pipeline is connected, and the first reducing-and-cooling plant is used to the steam that jet chimney conveying comes carrying out first time pressure and temperature reducing, the
Two reducing-and-cooling plants be connected to the first reducing-and-cooling plant with will through the first reducing-and-cooling plant pressure and temperature reducing handle steam into
Pressure and temperature reducing simultaneously discharges row again, and vacuum condenser is connected to the second reducing-and-cooling plant with will be through the second reducing-and-cooling plant again
The steam of pressure and temperature reducing is condensed, and vacuum condenser is connected steam turbine and condensed with the steam for going out turbine exhaust, very
Air-cooled condenser connects feedwater piping and is utilized again so that the condensed water of condensation formation is transmitted back to feedwater piping, vacuum gate valve peace
Loaded between the first reducing-and-cooling plant and the second reducing-and-cooling plant.
It being furthermore that, the first reducing-and-cooling plant includes the mechanism of decompressor and desuperheat mechanism, and the mechanism of decompressor includes pressure reducing valve,
Pressure reducing valve is connected to so that jet chimney is conveyed the steam pressure-reducing that comes with jet chimney, desuperheat mechanism include the first feed mechanism and
Attemperator, attemperator connects pressure reducing valve and the first feed mechanism, after the water that attemperator is given by the first feed mechanism is to decompression
Steam carries out desuperheat.
It is furthermore that, the mechanism of decompressor further includes pressure reducing orifice, and pressure reducing orifice is set between pressure reducing valve and attemperator.
It is furthermore that, the first feed mechanism includes the first shut-off valve being connected to feedwater piping, the first regulating valve and
One check-valves, the first shut-off valve connect the first regulating valve, and the first regulating valve connects first check-valve, and first check-valve connects desuperheat
Device.
It is furthermore that, further includes safety valve, safety valve connects the output end of the second reducing-and-cooling plant, when by first
When the steam pressure of reducing-and-cooling plant and the second reducing-and-cooling plant pressure and temperature reducing is greater than safety valve setting value, safety valve is beaten
It opens, steam discharge.
It is furthermore that, the second reducing-and-cooling plant includes that multistage pressure and temperature reducing mechanism and the second feed mechanism, multistage subtract
The warm mechanism of decompressor connects the second feed mechanism, and multistage pressure and temperature reducing mechanism includes multiple restricting orifices, and steam passes through multiple throttlings
The water that orifice plate and the second feed mechanism are given carries out pressure and temperature reducing.
It is furthermore that, the second feed mechanism includes the second shut-off valve being connected to feedwater piping, the second regulating valve and
Two check-valves, the second shut-off valve connect the second regulating valve, and the second regulating valve connects second check-valve, and second check-valve connection is multistage
Pressure and temperature reducing mechanism.
It is furthermore that, control system includes first control device and first pressure transmitter, and first pressure transmitter is set
In steam turbine front end main steam inlet, first control device includes pressure controller and second pressure transmitter, pressure controller
First pressure transmitter and second pressure transmitter are connected, second pressure transmitter connects the output of the first reducing-and-cooling plant
End, pressure controller connect pressure reducing valve to control pressure reducing valve valve size.
Be furthermore that, control system includes second control device, second control device include the first temperature controller and
First thermal resistance, the first temperature controller connect the first thermal resistance, and the first thermal resistance connects the output of the first reducing-and-cooling plant
End, the first temperature controller connect the first regulating valve to control the first regulating valve valve size.
Be furthermore that, control system includes third control device, third control device include second temperature controller and
Second thermal resistance, second temperature controller connect the second thermal resistance, and the second thermal resistance connects the output of the second reducing-and-cooling plant
End, second temperature controller connect the second regulating valve to control the second regulating valve valve size.
The beneficial effects of the utility model are: the utility model turbine by-pass condensed water vacuum recovery system passes through first
The steam that reducing-and-cooling plant and the second reducing-and-cooling plant come to jet chimney conveying carries out pressure and temperature reducing, then passes through vacuum
Condenser will be condensed by the steam of pressure and temperature reducing, and it is solidifying to be suitable for refuse-burning plant, biomass power plant turbine by-pass
Vacuum recovery system is born water, steam is quickly cooled down, high speed recycles；And in steam turbine emergency stop or failure, by steam turbine
Road condensed water vacuum recovery system recovered steam, protect steam turbine, and realize it is cold and hot open steam turbine function fastly, help to shorten
Steam turbine cold conditions available machine time, vacuum condenser connect feedwater piping, condensed water are transmitted back to feedwater piping and is utilized again,
The supplement for reducing water, has saved resource.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model turbine by-pass condensed water vacuum recovery system；
Fig. 2 is another structural schematic diagram of the utility model turbine by-pass condensed water vacuum recovery system.
Each appended drawing reference in figure are as follows: the 1, first reducing-and-cooling plant, 11, the mechanism of decompressor, 111, pressure reducing valve, 112, vent
Plate, 12, desuperheat mechanism, 121, attemperator, the 122, first feed mechanism, the 1221, first shut-off valve, the 1222, first regulating valve,
1223, first check-valve, 13, safety valve, the 2, second reducing-and-cooling plant, 21, multistage pressure and temperature reducing mechanism, 211, throttle orifice
Plate, the 22, second feed mechanism, the 221, second shut-off valve, the 222, second regulating valve, 223, second check-valve, 3, vacuum condenser,
4, control system, 41, first control device, 411, pressure controller, 412, second pressure transmitter, 42, first pressure pick-up
Device, 43, second control device 431, the first temperature controller, the 432, first thermal resistance, 44, third control device, 441, second
Temperature controller, the 442, second thermal resistance, 5, jet chimney, 6, feedwater piping, 7, steam turbine, 8, pressure gauge, 9, vacuum gate valve.
Specific embodiment
Below in conjunction with attached drawing, the above and other technical features and advantages of the present invention are carried out clearly and completely
Description, it is clear that described embodiment is only the section Example of the utility model, rather than whole embodiments.
Referring to Fig. 1, the utility model provides a kind of turbine by-pass condensed water vacuum recovery system, including steam turbine 7,
Jet chimney 5, feedwater piping 6, the first reducing-and-cooling plant 1, the second reducing-and-cooling plant 2, vacuum gate valve 9, vacuum condenser 3
With control system 4, control system 4 connects the first reducing-and-cooling plant 1 and the second reducing-and-cooling plant 2 and is subtracted with controlling the first desuperheat
Pressure device 1 and the second reducing-and-cooling plant 2, feedwater piping 6 are connected to the first reducing-and-cooling plant 1 and the second reducing-and-cooling plant 2
To convey water to the first reducing-and-cooling plant 1 and the second reducing-and-cooling plant 2, jet chimney 5 is for conveying 7 front end master of steam turbine
The steam that steam by-pass comes, the first reducing-and-cooling plant 1 are connected with jet chimney 5, and the first reducing-and-cooling plant 1 is used for will
Jet chimney 5 conveys the steam to come and carries out first time pressure and temperature reducing, and the second reducing-and-cooling plant 2 is connected to the first pressure and temperature reducing dress
1 is set so that the steam handled through 1 pressure and temperature reducing of the first reducing-and-cooling plant is carried out pressure and temperature reducing again and is discharged, vacuum condenser
3 the second reducing-and-cooling plants 2 of connection are to condense the steam through the second reducing-and-cooling plant 2 pressure and temperature reducing again, vacuum
Condenser 3 connect steam turbine 7 condensed with the steam for giving off steam turbine 7, vacuum condenser 3 connect feedwater piping 6 with
The condensed water that condensation is formed is transmitted back to feedwater piping 6 to be utilized again, reduces the supplement of water, has saved resource.Vacuum
Gate valve is installed between the first reducing-and-cooling plant and the second reducing-and-cooling plant, and vacuum gate valve 9 subtracts for the first desuperheat to be isolated
Pressure device 1 and the second reducing-and-cooling plant 2, air leaks into vacuum condenser 3 when preventing from shutting down.The utility model turbine by-pass
Condensed water vacuum recovery system is by the first reducing-and-cooling plant 1 and the second reducing-and-cooling plant 2 to 7 front end main steam of steam turbine
Reject steam pipeline 5 conveys the steam to come and carries out pressure and temperature reducing, then will be by the steam of pressure and temperature reducing by vacuum condenser 3
It is condensed, is suitable for refuse-burning plant, biomass power plant turbine by-pass condensed water vacuum recovery system, steam is quick
Cooling, high speed recycles；And it is suitable for recycling turbine by-pass steam when single fighter power generation；And in steam turbine emergency stop or failure,
By the utility model turbine by-pass condensed water vacuum recovery system recovered steam, steam turbine is protected, and is not reached in steam turbine
When marking steam condensation collection, by the utility model turbine by-pass condensed water vacuum recovery system recovered steam, realize cold
Heat opens steam turbine function fastly, helps to shorten the steam turbine cold conditions available machine time；When removal of load or disorderly closedown or maintenance, because of boiler
Load shedding or it cannot be not intended to load shedding in time, the utility model turbine by-pass condensed water vacuum recovery system can be timely
Recycling discharge excess steam, recycles condensed water, with the purpose realized energy-saving and emission-reduction, guarantee power station integrated benefit.
First reducing-and-cooling plant 1, the second reducing-and-cooling plant 2 pass sequentially through pipeline with vacuum condenser 3 and connect, water supply
6 water outlet of pipeline is equipped with pressure gauge 8, and the pressure that pressure gauge 8 is used to measure water is few greatly, whether facilitates the water for judging to be used for desuperheat
It can enter the first reducing-and-cooling plant 1 and the second reducing-and-cooling plant 2, specific pressure gauge 8 and feedwater piping 6 are radially connected.
Referring to Fig. 1,2, the first reducing-and-cooling plant 1 includes the mechanism of decompressor 11 and desuperheat mechanism 12, and the mechanism of decompressor 11 includes
Pressure reducing valve 111, pressure reducing valve 111 are connected to so that jet chimney 5 is conveyed the steam pressure-reducing to come, desuperheat mechanism 12 with jet chimney 5
Including the first feed mechanism 122 and attemperator 121, attemperator 121 connects pressure reducing valve 111 and the first feed mechanism 122, attemperator
121 water given by the first feed mechanism 122 carry out desuperheat to the steam after decompression.It is first that jet chimney 5 conveys the steam to come
Depressurized by pressure reducing valve 111, then the water given by attemperator 121 and the first feed mechanism 122 to the steam after decompression into
Row desuperheat completes first time pressure and temperature reducing, specifically, pressure reducing valve 111 is connect by flange with jet chimney 5, attemperator 121 is logical
Flange is crossed to connect with pressure reducing valve 111.
Referring to Fig. 1,2, the mechanism of decompressor 11 further includes pressure reducing orifice 112, and pressure reducing orifice 112 is set to pressure reducing valve 111 and desuperheat
Between device 121, pressure reducing orifice 112 is connected pressure reducing valve 111 and is depressurized again with the steam for depressurizing pressure reducing valve 111, by two
Pressure is dropped to 0.5MPa by secondary decompression, and the second reducing-and-cooling plant 2 carries out pressure and temperature reducing and discharges again later.
Referring to Fig. 1,2, the first feed mechanism 122 includes that the first shut-off valve 1221, first being connected to feedwater piping 6 is adjusted
Valve 1222 and first check-valve 1223, the first shut-off valve 1221 connect the first regulating valve 1222, the first regulating valve 1222 connection the
One check-valves 1223, first check-valve 1223 connect attemperator 121.First shut-off valve 1221 be for control water supply open or
It closes, and auxiliary reduces hydraulic pressure, the first regulating valve 1222 is mainly regulating pondage size, stablizes feed pressure, the first non-return
Valve 1223 prevents the steam in attemperator 121 from reversely flowing into feedwater piping 6, the first shut-off valve 1221, the first regulating valve 1222,
One check-valves 1223 passes sequentially through pipeline with attemperator 121 and connects.
Referring to Fig. 1,2, the utility model turbine by-pass condensed water vacuum recovery system further includes safety valve 13, safety valve
13 connection 2 output ends of the second reducing-and-cooling plant, when by the first reducing-and-cooling plant 1 and 2 desuperheat of the second reducing-and-cooling plant
When the steam pressure of decompression is greater than 13 setting value of safety valve, safety valve 13 is opened, and steam discharge, safety valve 13 passes through for detecting
The pressure of steam after 2 pressure and temperature reducing of first reducing-and-cooling plant 1 and the second reducing-and-cooling plant, if steam pressure is greater than safety
When 13 setting value of valve, steam is discharged the opening of safety valve 13, specifically, safety valve 13 is radial to be set to the second reducing-and-cooling plant 2
On pipeline between output end and vacuum condenser 3.
Referring to Fig. 1,2, the second reducing-and-cooling plant 2 includes multistage pressure and temperature reducing mechanism 21 and the second feed mechanism 22, more
Grade pressure and temperature reducing mechanism 21 connects the second feed mechanism 22, and multistage pressure and temperature reducing mechanism 21 includes multiple restricting orifices 211, steam
Pressure and temperature reducing is carried out by the water that multiple restricting orifices 211 and the second feed mechanism 22 are given, by the steaming of first time pressure and temperature reducing
Vapour carries out desuperheat, atomizing steam by the water that the second feed mechanism 22 is given, while being subtracted step by step by multiple restricting orifices 211
Pressure realizes second of pressure and temperature reducing.
Referring to Fig. 1,2, the second feed mechanism 22 includes the second shut-off valve 221 being connected to feedwater piping 6, the second regulating valve
222 and second check-valve 223, the second shut-off valve 221 connects the second regulating valve 222, and the second regulating valve 222 connects second check-valve
223, second check-valve 223 connects multistage pressure and temperature reducing mechanism 21.Second shut-off valve 221 be for control water supply open or
It closes, and auxiliary reduces hydraulic pressure, the second regulating valve 222 is mainly regulating pondage size, stablizes feed pressure, second check-valve
223 prevent the steam in multistage pressure and temperature reducing mechanism 21 from reversely flowing into feedwater piping 6, the second shut-off valve 221, the second regulating valve
222, second check-valve 223 passes sequentially through pipeline with multistage pressure and temperature reducing mechanism 21 and connects.
Referring to Fig. 1,2, control system 4 includes first control device 41 and first pressure transmitter 42, first pressure pick-up
Device 42 is set to 7 front end main steam inlet of steam turbine, and first control device 41 includes pressure controller 411 and second pressure transmitter
412, pressure controller 411 connects first pressure transmitter 42 and second pressure transmitter 412, and second pressure transmitter 412 connects
The steam (vapor) outlet end of the first reducing-and-cooling plant 1 is connect, the steam (vapor) outlet end of the first reducing-and-cooling plant 1 connects the second pressure and temperature reducing
Device 2, pressure controller 411 connect pressure reducing valve 111 to control 111 valve size of pressure reducing valve, and first pressure transmitter 42 measures
The pressure of 7 front end of steam turbine simultaneously feeds back to pressure controller 411, and when pressure anomaly, pressure controller 411 controls pressure reducing valve
111 valves are opened, and the utility model turbine by-pass condensed water vacuum recovery system recovered steam, second pressure transmitter are passed through
412 measurement first time pressure and temperature reducings after steam pressure and feed back to pressure controller 411, according to the size pressure of pressure control
Device 411 controls 111 valve of pressure reducing valve and opens size, and steam pressure is made to be stabilized to setting value, and pressure reducing valve 111 is used for steam pressure-reducing
Stablize steam pressure with adjusting, has on pressure reducing valve 111 and receive the device that pressure controller 411 controls signal, and the device control
Pressure reducing valve 111 processed executes the instruction of pressure controller 411.
Referring to Fig. 1,2, control system 4 includes second control device 43, and second control device 43 is controlled including the first temperature
Device 431 and the first thermal resistance 432, the first temperature controller 431 connect the first thermal resistance 432, the first thermal resistance 432 connection first
The steam (vapor) outlet end at the steam (vapor) outlet end of reducing-and-cooling plant 1, the first reducing-and-cooling plant 1 connects the second reducing-and-cooling plant 2,
First temperature controller 431 connects the first regulating valve 1222 to control 1222 valve size of the first regulating valve, the first thermal resistance 432
It measures the pressure of steam after the first pressure and temperature reducing and feeds back to the first temperature controller 431, according to the first temperature of size of pressure
Controller 431 controls 1222 valve of the first regulating valve and opens size, increase or diminishing confluent, guarantees through first time pressure and temperature reducing
Steam stable afterwards has the device for receiving the first temperature controller 431 control signal to setting value, in the first regulating valve 1222,
And the device controls the instruction that the first regulating valve 1222 executes the first temperature controller 431.
Referring to Fig. 1,2, control system 4 includes third control device 44, and third control device 44 is controlled including second temperature
Device 441 and the second thermal resistance 442, second temperature controller 441 connect the second thermal resistance 442, the second thermal resistance 442 connection second
The steam (vapor) outlet end of reducing-and-cooling plant 2, the steam (vapor) outlet end of the second reducing-and-cooling plant 2 connect vacuum condenser 3, the second temperature
Degree controller 441 connects the second regulating valve 222 to control 222 valve size of the second regulating valve, the second thermal resistance 442 measurement second
The pressure of steam and second temperature controller 441 is fed back to after pressure and temperature reducing, according to the size second temperature controller 441 of pressure
It controls 222 valve of the second regulating valve and opens size, increase or diminishing confluent, steam of the guarantee after second of pressure and temperature reducing are steady
Surely setting value is arrived, has in the second regulating valve 222 and receives the device that second temperature controller 441 controls signal, and the device control
Make the instruction that the second regulating valve 222 executes second temperature controller 441.
Although the utility model has been described by way of example and in terms of the preferred embodiments, but it is not to appoint for limiting the utility model
What those skilled in the art without departing from the spirit and scope of the utility model, may be by the method and skill of the disclosure above
Art content makes possible variation and modification to technical solutions of the utility model, therefore, all without departing from the utility model technology
The content of scheme, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations and
Modification, belongs to the protection scope of technical solutions of the utility model.
Claims (10)
1. a kind of turbine by-pass condensed water vacuum recovery system, which is characterized in that including steam turbine, jet chimney, feed pipe
Road, the first reducing-and-cooling plant, the second reducing-and-cooling plant, vacuum gate valve, vacuum condenser and control system, control system electricity
The first reducing-and-cooling plant and the second reducing-and-cooling plant are connected to control the first reducing-and-cooling plant and the second pressure and temperature reducing dress
The operation set, feedwater piping are connected to the first reducing-and-cooling plant and the second reducing-and-cooling plant to convey water to the first pressure and temperature reducing
Device and the second reducing-and-cooling plant, jet chimney are used to convey steam turbine front end main steam and bypass the steam to come, and first subtracts
Warm decompressor is connected with jet chimney, and the first reducing-and-cooling plant is used to carry out the steam that comes of jet chimney conveying the
Pressure and temperature reducing, the second reducing-and-cooling plant are connected to the first reducing-and-cooling plant will subtract through the first reducing-and-cooling plant desuperheat
The steam of pressure processing carries out pressure and temperature reducing again and discharges, and vacuum condenser is connected to the second reducing-and-cooling plant will subtract through second
The steam of warm decompressor pressure and temperature reducing again is condensed, the steaming that vacuum condenser connects steam turbine to go out turbine exhaust
Vapour is condensed, and vacuum condenser connects feedwater piping and is transmitted back to feedwater piping progress benefit again with the condensed water for forming condensation
With vacuum gate valve is installed between the first reducing-and-cooling plant and the second reducing-and-cooling plant.
2. turbine by-pass condensed water vacuum recovery system as described in claim 1, which is characterized in that the first pressure and temperature reducing dress
It sets including the mechanism of decompressor and desuperheat mechanism, the mechanism of decompressor includes pressure reducing valve, and pressure reducing valve is connected to by jet chimney with jet chimney
The steam pressure-reducing to come is conveyed, desuperheat mechanism includes the first feed mechanism and attemperator, and attemperator connection pressure reducing valve and first is given
Water dispenser structure, the water that attemperator is given by the first feed mechanism carry out desuperheat to the steam after decompression.
3. turbine by-pass condensed water vacuum recovery system as claimed in claim 2, which is characterized in that the mechanism of decompressor further includes
Pressure reducing orifice, pressure reducing orifice are set between pressure reducing valve and attemperator to be depressurized again to the steam after pressure reducing valve depressurizes.
4. turbine by-pass condensed water vacuum recovery system as claimed in claim 2, which is characterized in that the first feed mechanism packet
The first shut-off valve being connected to feedwater piping, the first regulating valve and first check-valve are included, the first shut-off valve connects the first regulating valve,
First regulating valve connects first check-valve, and first check-valve connects attemperator.
5. turbine by-pass condensed water vacuum recovery system as claimed in claim 2, which is characterized in that it further include safety valve,
Safety valve connects the output end of the second reducing-and-cooling plant, subtracts when by the first reducing-and-cooling plant and the second reducing-and-cooling plant
When the steam pressure of temperature decompression is greater than safety valve setting value, safety valve is opened, steam discharge.
6. turbine by-pass condensed water vacuum recovery system as described in claim 1, which is characterized in that the second pressure and temperature reducing dress
It sets including multistage pressure and temperature reducing mechanism and the second feed mechanism, multistage pressure and temperature reducing mechanism connects the second feed mechanism, and multistage subtracts
The warm mechanism of decompressor includes multiple restricting orifices, and the water that steam is given by multiple restricting orifices and the second feed mechanism carries out desuperheat and subtracts
Pressure.
7. turbine by-pass condensed water vacuum recovery system as claimed in claim 6, which is characterized in that the second feed mechanism packet
The second shut-off valve being connected to feedwater piping, the second regulating valve and second check-valve are included, the second shut-off valve connects the second regulating valve,
Second regulating valve connects second check-valve, and second check-valve connects multistage pressure and temperature reducing mechanism.
8. turbine by-pass condensed water vacuum recovery system as claimed in claim 2, which is characterized in that control system includes the
One control device and first pressure transmitter, first pressure transmitter are set to steam turbine front end main steam inlet, the first control dress
It sets including pressure controller and second pressure transmitter, pressure controller connects first pressure transmitter and second pressure pick-up
Device, second pressure transmitter connect the output end of the first reducing-and-cooling plant, and pressure controller connects pressure reducing valve to control decompression
Valve valve size.
9. turbine by-pass condensed water vacuum recovery system as claimed in claim 4, which is characterized in that control system includes the
Two control devices, second control device include the first temperature controller and the first thermal resistance, the first temperature controller connection first
Thermal resistance, the first thermal resistance connect the first reducing-and-cooling plant output end, the first temperature controller connect the first regulating valve with
Control the first regulating valve valve size.
10. turbine by-pass condensed water vacuum recovery system as claimed in claim 7, which is characterized in that control system includes
Third control device, third control device include second temperature controller and the second thermal resistance, second temperature controller connection the
Two thermal resistances, the second thermal resistance connect the output end of the second reducing-and-cooling plant, and second temperature controller connects the second regulating valve
To control the second regulating valve valve size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651330.7U CN208918604U (en) | 2018-10-11 | 2018-10-11 | Turbine by-pass condensed water vacuum recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651330.7U CN208918604U (en) | 2018-10-11 | 2018-10-11 | Turbine by-pass condensed water vacuum recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN208918604U true CN208918604U (en) | 2019-05-31 |
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| CN201821651330.7U Active CN208918604U (en) | 2018-10-11 | 2018-10-11 | Turbine by-pass condensed water vacuum recovery system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646020A (en) * | 2022-03-31 | 2022-06-21 | 华能营口热电有限责任公司 | Power grid steam temperature and pressure reduction device, thermoelectric peak regulation system and pressure reduction regulation method |
| CN114646020B (en) * | 2022-03-31 | 2024-05-31 | 华能营口热电有限责任公司 | Power grid steam temperature and pressure reducing device, thermoelectric peak regulating system and pressure reducing and regulating method |
-
2018
- 2018-10-11 CN CN201821651330.7U patent/CN208918604U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646020A (en) * | 2022-03-31 | 2022-06-21 | 华能营口热电有限责任公司 | Power grid steam temperature and pressure reduction device, thermoelectric peak regulation system and pressure reduction regulation method |
| CN114646020B (en) * | 2022-03-31 | 2024-05-31 | 华能营口热电有限责任公司 | Power grid steam temperature and pressure reducing device, thermoelectric peak regulating system and pressure reducing and regulating method |
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