CN109306876A - A kind of subsidiary engine system tune power source system of the double shaft forms of generator with heat supply - Google Patents
A kind of subsidiary engine system tune power source system of the double shaft forms of generator with heat supply Download PDFInfo
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- CN109306876A CN109306876A CN201810849954.8A CN201810849954A CN109306876A CN 109306876 A CN109306876 A CN 109306876A CN 201810849954 A CN201810849954 A CN 201810849954A CN 109306876 A CN109306876 A CN 109306876A
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- steam
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- high pressure
- condenser
- generator
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- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 239000000498 cooling water Substances 0.000 claims description 12
- 230000002209 hydrophobic effect Effects 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 4
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 8
- 238000001816 cooling Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
Abstract
Subsidiary engine system the invention discloses a kind of double shaft forms of generator with heat supply adjusts power source system.Low pressure (LP) cylinder is led to by the steam that high pressure cylinder exports all the way, another way leads to heat exchangers for district heating, and two steam pipeworks are provided with valve, controls the steam on-off of different branch.There are two power intake, the power output axis connection of one end and high pressure cylinder, the other ends to connect with low pressure (LP) cylinder for generator, the power output end of generator and load connection.It is cut off for hot season turbine low pressure cylinder, only high pressure cylinder is run, and high pressure cylinder steam discharge fully enters heat exchangers for district heating；Non- to put into operation for hot season steam turbine high-pressure cylinder and low pressure (LP) cylinder, low pressure (LP) cylinder steam discharge enters condenser condensation；This system is in the operation of non-heating season pure condensate form, Heating Season and externally for heat integration, the operation of steam turbine high back pressure form, no cold source energy, heat-economy height；The opening and closing by adjusting valve is only needed, i.e., adjustable operational mode, system is simple, and switching is flexible.
Description
[technical field]
The invention belongs to a kind of energy-saving systems in power plant, and in particular to a kind of double shaft forms of generator are with heat supply
Subsidiary engine system adjusts power source system.
[background technique]
When being designed, selection of auxiliaries is often all selected by peak load and there are certain allowances in thermal power plant.
And in actual motion, due to deviateing operating point for design, subsidiary engine operational efficiency is generally low compared with design value, electric energy loss is caused,
Especially after fired power generating unit participates in peak regulation, since the electric energy loss of the relatively low generation of subsidiary engine efficiency is serious.Therefore, in conditions permit
In the case where, part subsidiary engine uses speed governing operation, reduces restriction loss and improves its operational efficiency, often can produce relatively good
Energy-saving effect.
Logical excessive speeds variable-speed turbine drives the adjustable small generators of generation frequency, can produce and demand running frequency
Equal electric energy then drives each subsidiary engine to run, and while reducing system throttles loss raising transmission efficiency, system more collects
In, it is simple, it is convenient for safeguarding.The drive mode is referred to as subsidiary engine system and adjusts power source.But it is driven in the form of subsidiary engine unites and adjusts power source
Power plant's whole subsidiary engine realizes that difficulty is larger.Feasible way is to unite that power source is adjusted to drive running frequency consistent main with subsidiary engine
Subsidiary engine equipment, other subsidiary engines drive still through service power.According to the actual conditions that power plant runs, is united with subsidiary engine and adjust electric power source
The subsidiary engine of dragging is mainly three big blowers (air-introduced machine, pressure fan, primary air fan).When performing low-load running of machine set, section can be obtained
It can effect.The unit in existing thermal power plant undertakes Winter heat supply task more, for such unit, need to consider the item in existing equipment
Under part, subsidiary engine system how to be combined to adjust power source and external heat supply.
[summary of the invention]
It is an object of the invention to overcome the above-mentioned prior art, a kind of double shaft form band heat supplies of generator are provided
Subsidiary engine system adjust power source system.System is adjusted power source and Winter heat supply task to combine by the system, eliminates part cold source energy
There is preferable economy simultaneously.
In order to achieve the above objectives, the present invention is achieved by the following scheme:
A kind of subsidiary engine system tune power source system of the double shaft forms of generator with heat supply, including high pressure cylinder and generator；It is high
The steam output circuit of cylinder pressure is divided into two-way, leads to low pressure (LP) cylinder all the way, and another way leads to heat exchangers for district heating；Generator is provided with two
A power input shaft, a power output axis connection with high pressure cylinder, the power output axis connection of another and low pressure (LP) cylinder, power generation
Mechanomotive force output end is connected to load.
A further improvement of the present invention is that:
Preferably, high pressure cylinder exports to the steam of heat exchangers for district heating and is condensed into hydrophobic, hydrophobic warp in heat exchangers for district heating
Host therrmodynamic system is flowed back to after being pressurizeed by drainage pump.
Preferably, the steam that heat exchangers for district heating is exported by high pressure cylinder heats hot net water, and hot net water is from heat exchangers for district heating stream
Enter peak load calorifier after out, external heating system is flowed to after being heated in peak load calorifier.
Preferably, the steam of low pressure (LP) cylinder output leads to condenser, condensed water is condensed into condenser, condensed water flows back to
To host condenser.
Preferably, the condensate pipe road between condenser and host condenser is provided with condensate pump；Condenser connection
There is vacuum pump.
Preferably, the cooling water inlet pipe road of condenser is the branch of host recirculated water water inlet main pipe, the cooling of condenser
Water drainage pipeline imports host recirculated water return water main pipe.
Preferably, recirculated water booster is provided on condenser cooling water water inlet line.
Preferably, the steam input pipe of high pressure cylinder is connected to the steam output end of boiler or steam turbine；High pressure cylinder with it is low
It is provided with the first valve on the steam pipework of cylinder pressure connection, the is provided on the steam pipework that high pressure cylinder is connected to heat exchangers for district heating
Two valves.
Preferably, the first valve selects butterfly valve；Second valve selects valve group.
Compared with prior art, the invention has the following advantages:
Subsidiary engine system the invention discloses a kind of double shaft forms of generator with heat supply adjusts power source system.It is defeated by high pressure cylinder
Steam out leads to low pressure (LP) cylinder all the way, and another way leads to heat exchangers for district heating.There are two power intake, one end and high pressures for generator
The power output axis connection of cylinder, the other end are connected with low pressure (LP) cylinder, the power output end of generator and load connection.For hot season steamer
The excision of machine low pressure (LP) cylinder, only high pressure cylinder is run, and steam turbine is high back pressure operating status at this time, and steam discharge fully enters heat supply network heating
Device；Non- high pressure cylinder and low pressure (LP) cylinder for hot season steam turbine puts into operation, low pressure (LP) cylinder steam discharge enter condenser condensation, high pressure cylinder and
Low pressure (LP) cylinder is operated together, so that the pressure of steam turbine discharge is lower than the pressure of steam turbine discharge when there was only high pressure cylinder operation for the hot season
Power.This system is in the operation of non-heating season pure condensate form, Heating Season and externally for heat integration, the operation of steam turbine high back pressure form, nothing
Cold source energy, heat-economy are high；Only need to adjust the on-off of high pressure cylinder output two-way steam, i.e., adjustable operational mode, system
Simply, switching is flexible.
Further, the steam of high pressure cylinder discharge enters heat exchangers for district heating, heats and is formed after hot net water hydrophobic, finally flows back to
To host therrmodynamic system, recycling for medium is realized, save the energy.
Further, after the steam heating that hot net water is exported in heat exchangers for district heating by high pressure cylinder, into peak load calorifier
It further heats up, then externally confesses, guarantee that the vapor (steam) temperature of output meets heat demand.
Further, the present invention enters condenser by the steam that low pressure (LP) cylinder is discharged, and after being condensed into water, condensed water flows back into master
Machine condenser, recycles, and cold source energy is small.
Further, it is provided with condensate pump between condenser of the invention and host condenser, with pressurised coagulation water, pushed away
Dynamic condensed water flows back into host condenser；Condenser is connected to vacuum pump, when presence can not condense in the steam of low pressure (LP) cylinder discharge
Steam when, taken away by vacuum pump, to maintain the vacuum environment in condenser, convenient for low pressure (LP) cylinder discharge steam flow into condenser
It is interior.
Further, the cooling water of condenser cooling steam of the present invention is derived from host recirculated water water inlet main pipe, cooling water cooling
But it imports after steam to host recirculated water main water outlet pipe；Small, the utilization rate height of host recirculated water is invested when scrap build.
Further, it is provided with recirculated water booster on condenser cooling water water inlet line of the invention, host is pushed to follow
Recirculated water in ring water water inlet main pipe flows into condenser.
Further, the steam source of high pressure cylinder of the present invention is the somewhere of boiler or steam turbine, is come without additional steam
Source facilitates recycling for energy.It is provided with valve on two-way jet chimney by high pressure cylinder output, controls different branch
Steam on-off.
Further, the first valve between high pressure cylinder and low pressure (LP) cylinder of the present invention on steam pipework is butterfly valve, can be controlled
High pressure cylinder leads to the flow of low pressure (LP) cylinder steam.
[Detailed description of the invention]
Fig. 1 is system construction drawing of the invention；
Wherein: 1- high pressure cylinder；2- generator；3- low pressure (LP) cylinder；The first valve of 4-；5- load；The second valve of 6-；7- recirculated water
Booster；8- condenser；9- vacuum pump；10- condensate pump；11- heat exchangers for district heating；12- drainage pump；13- peak load calorifier；
14- host therrmodynamic system；15- host condenser；16- host recirculated water water inlet main pipe；17- host recirculated water return water main pipe.
[specific embodiment]
The invention will be described in further detail with reference to the accompanying drawing:
Referring to Fig. 1, the subsidiary engine system the invention discloses a kind of double shaft forms of generator with heat supply adjusts power source system, packet
Include high pressure cylinder 1, generator 2, low pressure (LP) cylinder 3, the first valve 4, the 5, second valve 6 of load, recirculated water booster 7, condenser 8, true
Sky pump 9, condensate pump 10, heat exchangers for district heating 11, drainage pump 12, peak load calorifier 13, host therrmodynamic system 14 and host condensing
Device 15.
The vapour source of high pressure cylinder 1 is derived from the somewhere steam extraction of unit boiler or steam turbine, the steam output circuit point of high pressure cylinder 1
It for two-way, is connected to all the way with low pressure (LP) cylinder 3, another way is connected to heat exchangers for district heating 11；The steam that high pressure cylinder 1 is connected to low pressure (LP) cylinder 3
The first valve 4 is provided on pipeline, the first valve 4 is preferably butterfly valve；The steam pipework that high pressure cylinder 1 is connected to heat exchangers for district heating 11
On be provided with the second valve 6, the second valve 6 is preferably valve group；Generator 2 is preferably frequency conversion generator, and there are two power is defeated
Enter axis, a power input shaft directly drives connection by the power output shaft of reduction gearbox and shaft coupling and high pressure cylinder 1, another input
Axis directly drives connection by the power output shaft of reduction gearbox and shaft coupling and low pressure (LP) cylinder 3；The power output shaft of generator 2 and load 5
Connection；The exhaust steam pressure of high pressure cylinder 1 is controlled in 0.1~0.15MPa.
The steam input pipe of heat exchangers for district heating 11 is connected with the steam output end of high pressure cylinder 1, hydrophobic output pipe and dredge
The hydrophobic upstream end of water pump 12 is connected to, and the hydrophobic output end of drainage pump 12 is connected to host therrmodynamic system 14.Hot net water is in heat supply network
Heater 11 is flowed into peak load calorifier 13 after the heating of the high-temperature steam of high pressure cylinder 1 and is further heated, and heat supply is met
It is required that flowing into external heating system after temperature；The gas source of peak load calorifier 13 comes from boiler or steam turbine；It is exported by high pressure cylinder 1
Steam in heat exchangers for district heating 11 and after heat supply network hydrothermal exchange, be condensed into hydrophobic, flow into drainage pump 12, by drainage pump 12 plus
Host therrmodynamic system 14 is flow back into after pressure.
The steam output circuit of low pressure (LP) cylinder 3 is connected with the steam input terminal of condenser 8, the cooling water inlet pipe of condenser 8
Road is the branch of host recirculated water water inlet main pipe 16, and the cooling water drainage waterpipe of condenser 8 imports host recirculated water return water main pipe
17, condenser is provided with recirculated water booster 7 on 8 cooling water inlet pipe road, for introducing host recirculated water to condenser 8；It is low
The steam that cylinder pressure 3 exports is cooled into water in condenser 8, flows back into host condenser 15 by the pressurization of condensate pump 10；It is solidifying
Vapour device 8 is connected to vacuum pump 9, when there is the steam that can not be condensed in the steam that low pressure (LP) cylinder 3 is discharged, is taken away by vacuum pump 9, with
The vacuum environment in condenser 8 is maintained, is flowed into condenser 8 convenient for the steam that low pressure (LP) cylinder 3 is discharged.
Operation logic:
Previous steam turbine drives generator drive subsidiary engine system to adjust in power source system, and steam turbine is mostly an isolated operation
Steam turbine, high revolving speed variable-speed turbine is made of two cylinder bodies in the present invention, including high pressure cylinder 1 and low pressure (LP) cylinder 3, high pressure cylinder
1 vapour source is derived from unit boiler or the steam extraction of steam turbine somewhere, and steam is able to enter low pressure (LP) cylinder 3 or heat supply network after entering high pressure cylinder 1
Heater 11；It is non-for the hot season, the operation of Steam Turbine pure condensate form, the low back pressure form operation of high revolving speed variable-speed turbine, by height
The steam that cylinder pressure 1 comes out, which enters after high pressure cylinder 1 does work, is input to low pressure (LP) cylinder 3, does work in low pressure (LP) cylinder 3, the heat that steam is had
Mechanical energy can be converted to, the steam pressure of steam turbine output is the pressure that low pressure (LP) cylinder 3 exports steam, is exported by low pressure (LP) cylinder 3
Steam pressure more independent high pressure cylinder 1 is low when running, and the steam exported is cooling by the cooling water of condenser 8, and steam turbine output is steamed
The cooled temperature of vapour is lower, therefore entire steam turbine is the operation of low backpressure condition；High pressure cylinder 1 and low pressure (LP) cylinder 3 is common at this time
Generator 2 is driven to rotate；3 steam discharge of low pressure (LP) cylinder fully enters condenser 8, by being derived from after the water inlet main pipe condensation of host recirculated water through solidifying
It is back to host condenser 15 after bearing water 10 pressurization of pump, to overcome 8 resistance of circulation and condenser, recirculated water booster is set
7.Condenser 8 is configured with vacuum pump 9, to extract 8 inside incondensable gas of condenser to maintain vacuum.For hot season, high pressure cylinder 1
The high-quality steam of discharge enters heat exchangers for district heating 11 through valve group 6 and heats heat supply network return water, and low pressure (LP) cylinder 3 is cut off, at this time steam turbine
The steam pressure of output is the steam pressure that high pressure cylinder 1 exports, and the pressure that high pressure cylinder 1 is discharged is higher, therefore steam turbine is height
Backpressure condition operation；Steam in heat exchangers for district heating 11 becomes hydrophobic after being condensed, hydrophobic to be back to host heating power through drainage pump 12
System 14, the hot net water that heat exchangers for district heating 11 exports externally are confessed after peak load calorifier 13 further heats up.
Non- heat supply seasonal operation mode: valve group 6 is closed, and heat exchangers for district heating 11, peak load calorifier 13 and drainage pump 12 are equal
It does not run.First valve 4 is opened, and steam steam discharge after the acting of high pressure cylinder 1, which fully enters low pressure (LP) cylinder 3, to be continued to do work, low pressure (LP) cylinder 3
Steam discharge fully enters the condensation of condenser 8, and condensed water is back to host condenser 15 after the pressurization of condensate pump 10.It is derived from host circulation
The cooling water of water water inlet main pipe is back to host recirculated water return water main pipe after the heat absorption of condenser 8 after the pressurization of recirculated water booster 7.
The operation of vacuum pump 9 is to extract 8 inside incondensable gas of condenser to maintain vacuum.The power generation that high pressure cylinder 1 and low pressure (LP) cylinder 3 directly drive
Machine 2 issues the adjustable power drives of frequency and loads 5 economical operation according to unit actual demand.
Heat supply seasonal operation mode: the low pressure (LP) cylinder 3 of steam turbine is cut off, and only high pressure cylinder 1 is run.First valve 4 is closed, the second valve
Door 6 is opened.Condenser 8, recirculated water booster 7, vacuum pump 9, condensate pump 10 and low pressure (LP) cylinder 3 are stopped transport.Steam is in high pressure cylinder 1
The steam discharge of acting fully enters heat exchangers for district heating 11 and heats hot net water, hydrophobic to be back to host therrmodynamic system after the pressurization of drainage pump 12
14.It is economical to issue the adjustable power drives load 5 of frequency according to unit actual demand for the generator 2 that steam turbine high-pressure cylinder 1 directly drives
Operation.
For hot season or non-for during the hot season, driven in 2 operation process of generator in this system, when the electricity that generator 2 generates
When amount is unable to satisfy 5 demand of load, electric energy is obtained from Station Service Electrical-Energy system and provides power for load 5.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of subsidiary engine system of the double shaft forms of generator with heat supply adjusts power source system, which is characterized in that including high pressure cylinder (1)
With generator (2)；The steam output circuit of high pressure cylinder (1) is divided into two-way, leads to low pressure (LP) cylinder (3) all the way, another way leads to heat supply network
Heater (11)；Generator (2) setting is there are two power input shaft, and the power output axis connection of one and high pressure cylinder (1) is another
A and low pressure (LP) cylinder (3) power output axis connections, generator (2) power output end are connected to load (5).
2. a kind of subsidiary engine system of the double shaft forms of generator according to claim 1 with heat supply adjusts power source system, special
Sign is, high pressure cylinder (1) export to the steam of heat exchangers for district heating (11) be condensed into heat exchangers for district heating (11) it is hydrophobic, it is hydrophobic
Host therrmodynamic system (14) are flowed back to after pressurizeing via drainage pump (12).
3. a kind of subsidiary engine system of the double shaft forms of generator according to claim 1 with heat supply adjusts power source system, special
Sign is, heat exchangers for district heating (11) heats hot net water by the steam that high pressure cylinder (1) exports, and hot net water is from heat exchangers for district heating (11)
Enter peak load calorifier (13) after outflow, flows to external heating system after being heated in peak load calorifier (13).
4. a kind of subsidiary engine system of the double shaft forms of generator according to claim 1 with heat supply adjusts power source system, special
Sign is that the steam of low pressure (LP) cylinder (3) output leads to condenser (8), and condensed water is condensed into condenser (8), condenses water flow
It is back to host condenser (15).
5. a kind of subsidiary engine system of the double shaft forms of generator according to claim 4 with heat supply adjusts power source system, special
Sign is that the condensate pipe road between condenser (8) and host condenser (15) is provided with condensate pump (10)；Condenser
(8) vacuum pump (9) are communicated with.
6. a kind of subsidiary engine system of the double shaft forms of generator according to claim 4 with heat supply adjusts power source system, special
Sign is, the cooling water inlet pipe road of condenser (8) is that host recirculated water is intake the branch of main pipe (16), condenser (8) it is cold
But water drainage pipeline imports host recirculated water return water main pipe (17).
7. a kind of subsidiary engine system of the double shaft forms of generator according to claim 6 with heat supply adjusts power source system, special
Sign is, is provided with recirculated water booster (7) on condenser (8) cooling water inlet pipe road.
8. a kind of subsidiary engine system of the double shaft forms of generator according to claim 1-7 with heat supply adjusts power source system
System, which is characterized in that the steam input pipe of high pressure cylinder (1) is connected to the steam output end of boiler or steam turbine；High pressure cylinder (1)
It is provided on the steam pipework being connected to low pressure (LP) cylinder (3) the first valve (4), high pressure cylinder (1) is connected to heat exchangers for district heating (11)
The second valve (6) are provided on steam pipework.
9. a kind of subsidiary engine system of the double shaft forms of generator according to claim 8 with heat supply adjusts power source system, special
Sign is that the first valve (4) selects butterfly valve；Second valve (6) selects valve group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810849954.8A CN109306876A (en) | 2018-07-28 | 2018-07-28 | A kind of subsidiary engine system tune power source system of the double shaft forms of generator with heat supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810849954.8A CN109306876A (en) | 2018-07-28 | 2018-07-28 | A kind of subsidiary engine system tune power source system of the double shaft forms of generator with heat supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109306876A true CN109306876A (en) | 2019-02-05 |
Family
ID=65226020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810849954.8A Pending CN109306876A (en) | 2018-07-28 | 2018-07-28 | A kind of subsidiary engine system tune power source system of the double shaft forms of generator with heat supply |
Country Status (1)
| Country | Link |
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| CN (1) | CN109306876A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016083A (en) * | 2012-12-26 | 2013-04-03 | 北京国电蓝天节能科技开发有限公司 | Back pressure and straight condensing switching heat supply system |
| CN103997277A (en) * | 2014-02-24 | 2014-08-20 | 冯伟忠 | Novel frequency conversion system for thermal power plant |
| CN107503809A (en) * | 2017-05-10 | 2017-12-22 | 程琛 | Condensing turbine low pressure (LP) cylinder cools down and small turbine exhaust steam heat recovery system |
| CN208564657U (en) * | 2018-07-28 | 2019-03-01 | 西安热工研究院有限公司 | A kind of subsidiary engine system tune power source system of the double shaft forms of generator with heat supply |
-
2018
- 2018-07-28 CN CN201810849954.8A patent/CN109306876A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016083A (en) * | 2012-12-26 | 2013-04-03 | 北京国电蓝天节能科技开发有限公司 | Back pressure and straight condensing switching heat supply system |
| CN103997277A (en) * | 2014-02-24 | 2014-08-20 | 冯伟忠 | Novel frequency conversion system for thermal power plant |
| CN107503809A (en) * | 2017-05-10 | 2017-12-22 | 程琛 | Condensing turbine low pressure (LP) cylinder cools down and small turbine exhaust steam heat recovery system |
| CN208564657U (en) * | 2018-07-28 | 2019-03-01 | 西安热工研究院有限公司 | A kind of subsidiary engine system tune power source system of the double shaft forms of generator with heat supply |
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