CN209483444U - A kind of steam turbine building based on coal base distributing-supplying-energy system - Google Patents
A kind of steam turbine building based on coal base distributing-supplying-energy system Download PDFInfo
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- CN209483444U CN209483444U CN201822174727.8U CN201822174727U CN209483444U CN 209483444 U CN209483444 U CN 209483444U CN 201822174727 U CN201822174727 U CN 201822174727U CN 209483444 U CN209483444 U CN 209483444U
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Abstract
The utility model provides a kind of steam turbine building based on coal base distributing-supplying-energy system, which includes: steam turbine room body, Gateway Station in Heating Network, generator, steam turbine, shaft sealing cooler and electrically driven feed pump；The utility model feature short according to people's livelihood type back pressure unit runing time, based on distributing-supplying-energy system, by reasonably being arranged to Gateway Station in Heating Network, generator, steam turbine, shaft sealing cooler and electrically driven feed pump etc., significantly reduce the occupied space of steam turbine building, the height for reducing steam turbine building saves the civil engineering costs of steam turbine building, effectively reduces the installation workload at scene, shorten the construction period, improves the economy of back pressure unit heat supply.
Description
Technical field
The utility model relates to thermal power generating technology field more particularly to a kind of vapour based on coal base distributing-supplying-energy system
Computer room.
Background technique
Back pressure type cogeneration units have the advantages that efficiency is high, pollution is few, therefore become the hot spot studied in the industry.Mesh
Before, the people's livelihood is only run in Heating Season for the back pressure type cogeneration units of heat type.For example, the Heating Period of cold district is 4 months,
Therefore, the people's livelihood of this area is 2880h for the year hours of operation of heat type back pressure type cogeneration units, in remaining time, back
Pressure type cogeneration units are in shutdown status.
In back pressure type cogeneration units, steam turbine generallys use foundation bolt and is fixed on steam turbine base frame operating layer,
The oil system of turbine body, heater system, gland seal system subsidiary engine be distributed across on heater platform.Steam turbine pedestal with
Heater platform is cast-in-situ steel reinforced concrete frame structure, is generally divided into operating layer, middle layer, zero meter of layer.This arrangement side
Formula is suitable for large and medium-sized Steam Turbine, and land occupation is larger, and civil engineering costs is higher, and circuit design, installation are complicated, since equipment is dispersed,
Maintenance is also inconvenient.Conventional back pressures formula steam turbine is island arrangement, and for small unit, operating layer height is usually 7-8m, vapour
Machine room height is in 17.5m or more.
Therefore, it is necessary to a kind of steam turbine building based on coal base distributing-supplying-energy system be proposed, to solve the above problems.
Utility model content
The utility model provides a kind of steam turbine building based on coal base distributing-supplying-energy system, to solve the arrangement of the prior art
Mode takes up an area larger, the higher problem of civil engineering costs.
The utility model provides a kind of steam turbine building based on coal base distributing-supplying-energy system, comprising: steam turbine room body, heat supply network are first
It stands, generator, steam turbine, shaft sealing cooler and electrically driven feed pump；
The Gateway Station in Heating Network includes pumps for hot water supply net, heat supply network drainage pump, heat exchangers for district heating and heat exchangers for district heating platform；
The pumps for hot water supply net, the heat supply network drainage pump, the generator, the steam turbine, the shaft sealing cooler with
And the electrically driven feed pump is all set in zero meter of layer of the steam turbine room body；The heat exchangers for district heating platform is set to the steam turbine
Podium level above zero meter of layer of room body, the heat exchangers for district heating are set on the heat exchangers for district heating platform；
The power output shaft of the steam turbine is sequentially connected by the power input shaft of reduction gearbox and the generator, described
The exhaust steam end of steam turbine is connected to the admission end of the heat exchangers for district heating；
The hydrophobic side of the heat exchangers for district heating is connected to the input terminal of the heat supply network drainage pump, the heat exchangers for district heating into
Water end (W.E.) is connected to the output end of the pumps for hot water supply net；The input of the output end and the electrically driven feed pump of the heat supply network drainage pump
End connection；
The gland packing leakage end of the steam turbine is connected to the admission end of the shaft sealing cooler, the demineralized water of the steam turbine
Output end is connected to the water inlet end of the shaft sealing cooler, and the water outlet of the shaft sealing cooler is defeated with the electrically driven feed pump
Enter end connection.
Optionally, the generator, the steam turbine and the reduction gearbox constitute ready-package Turbo-generator Set；It is described
Generator, the steam turbine and the reduction gearbox are all set on common chassis.
Optionally, the common chassis is mounted in concrete foundation.
Optionally, the steam turbine is longitudinally arranged in the steam turbine building body, and the grease assembling device is set to institute
One end of the head of steam turbine is stated, the shaft sealing cooler and the electrically driven feed pump are set to the steam turbine and the profit
The side of lubricating oil collection assembling device；The shaft sealing cooler and the electrically driven feed pump are longitudinally arranged in the steam turbine building body.
Optionally, the outgoing line part of the generator of the ready-package Turbo-generator Set is arranged on the common chassis.
Optionally, zero meter of floor of the steam turbine room body is provided with outlet room, and the outlet room is set to the Gateway Station in Heating Network
Between the steam turbine, the outgoing line part of the generator of the ready-package Turbo-generator Set is set in the outlet room,
The outlet room roof of the outlet room is identical as the height of the heat exchangers for district heating platform, the top of the outlet room and described zero
Steel ladder is provided between rice layer；Grease assembling device, the grease assembling device are additionally provided with inside the steam turbine building body
It is set to one end inside the steam turbine building body, for providing lubricating oil to the generator and the steam turbine.
Optionally, the steam turbine room body is case type steam turbine building, is provided with housing, the cover at the top of the steam turbine room body
Podium level railing is provided with below shell.
Optionally, the steam turbine room body is frame framed bent formula steam turbine building, is provided with steam turbine house at the top of the steam turbine room body
Frame is provided with roof ventilator above the steam turbine building roof truss, is provided with driving below the steam turbine building roof truss.
Optionally, the height of the podium level is 4.2m.
Optionally, the Gateway Station in Heating Network is set to inside the steam turbine building body, alternatively, the Gateway Station in Heating Network be set to it is described
The outside of steam turbine room body.
From the above technical scheme, a kind of steam turbine based on coal base distributing-supplying-energy system provided by the utility model
Room, comprising: steam turbine room body, Gateway Station in Heating Network, generator, steam turbine, shaft sealing cooler and electrically driven feed pump；The utility model root
According to the short feature of people's livelihood type back pressure unit runing time, it is based on distributing-supplying-energy system, by Gateway Station in Heating Network, generator, vapour
Turbine, shaft sealing cooler and electrically driven feed pump etc. are reasonably arranged, the occupied space of steam turbine building is significantly reduced, and are reduced
The height of steam turbine building, saves the civil engineering costs of steam turbine building, effectively reduces the installation workload at scene, shortens the construction period, mentions
The economy of High Back Pressure Steam Turbine Units heat supply.
Detailed description of the invention
It, below will be to attached drawing needed in the embodiment in order to illustrate more clearly of the technical solution of the utility model
It is briefly described, it should be apparent that, for those of ordinary skills, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that a kind of 0.0m layers of steam turbine building based on coal base distributing-supplying-energy system provided by the embodiment of the utility model are flat
Face layout drawing.
Fig. 2 is that a kind of 4.2m layers of steam turbine building based on coal base distributing-supplying-energy system provided by the embodiment of the utility model are flat
Face layout drawing.
Fig. 3 is each section in a kind of steam turbine building based on coal base distributing-supplying-energy system provided by the embodiment of the utility model
Basic connection schematic diagram.
Fig. 4 is case type in a kind of steam turbine building based on coal base distributing-supplying-energy system provided by the embodiment of the utility model
Steam turbine building section layout drawing.
Fig. 5 is a kind of steam turbine building center framed bent based on coal base distributing-supplying-energy system provided by the embodiment of the utility model
Steam turbine building section layout drawing.
It illustrates: 1- Gateway Station in Heating Network；2- outlet room；3- generator；4- steam turbine；5- grease assembling device；6- axis
Seal cooler；7- electrically driven feed pump；11- pumps for hot water supply net；12- heat supply network drainage pump；13- heat exchangers for district heating；14- heat exchangers for district heating
Platform；21- outlet room door；22- steel ladder；23- outlet room roof；24- podium level railing；100- wall；200- concrete post；
The gate 300-；400- window；500- housing；600- water blocking edge；700- steam turbine building roof truss；800- roof ventilator；900- driving.
Specific embodiment
It please refers to Fig.1 to Fig.3, the utility model provides a kind of steam turbine building based on coal base distributing-supplying-energy system, comprising:
Steam turbine room body, Gateway Station in Heating Network 1, generator 3, steam turbine 4, shaft sealing cooler 6 and electrically driven feed pump 7.
Wherein, the Gateway Station in Heating Network 1 includes pumps for hot water supply net 11, heat supply network drainage pump 12, heat exchangers for district heating 13 and heat supply network
Heater platform 14.The pumps for hot water supply net 11, the heat supply network drainage pump 12, the generator 3, the steam turbine 4, the axis
Envelope cooler 6 and the electrically driven feed pump 7 are all set in zero meter of layer of the steam turbine room body；The heat exchangers for district heating platform 14
The podium level being set to above zero meter of layer of the steam turbine room body, the height of the podium level are 4.2m.The heat exchangers for district heating
13 are set on the heat exchangers for district heating platform 14.The Gateway Station in Heating Network 1 can be set inside the steam turbine building body, can also be with
It is set to the outside of the steam turbine room body.
In the present embodiment, the power output shaft of the steam turbine 4 is inputted by the power of reduction gearbox and the generator 3
Axis transmission connection, the exhaust steam end of the steam turbine 4 are connected to the admission end of the heat exchangers for district heating 13；The heat exchangers for district heating 13
Hydrophobic side be connected to the input terminal of the heat supply network drainage pump 12, the water inlet end of the heat exchangers for district heating 13 and the heat supply network recycle
The output end connection of pump 11；The output end of the heat supply network drainage pump 12 is connected to the input terminal of the electrically driven feed pump 7.The vapour
The gland packing leakage end of turbine 4 is connected to the admission end of the shaft sealing cooler 6, the demineralized water output end of the steam turbine 4 and institute
State the water inlet end connection of shaft sealing cooler 6, the input terminal company of the water outlet of the shaft sealing cooler 6 and the electrically driven feed pump 7
It is logical.
Specifically, steam turbine 4 can use steam drawing generator 3 to generate electricity, and shaft sealing cooler 6 is for cooling down steam turbine
4 gland packing leakage, pumps for hot water supply net 11 are used to that the heat exchangers for district heating 13 for being arranged in 4.2m layers will to be sent into after the boosting of heat supply network return water.Heat
Net drainage pump 12 is used to be sent into oxygen-eliminating device after the steam drainage of heat exchangers for district heating 13 boosts, and deoxygenation implement body is set to steam turbine building
External deaerator bay.Electrically driven feed pump 7 after the water supply of deoxygenation boosting for that will be sent into the boiler room outside steam turbine building
Boiler.Two electrically driven feed pumps 7 specifically can be set, an operation being used for usually, another spare.
In the present embodiment, steam turbine room body can specifically include the wall 100 for surrounding steam turbine building inner space, be uniformly distributed
In the concrete post 200 on side wall 100, and the gate 300 being set on steam turbine room body both ends wall wall 100,
Water blocking can be set on gate 300 along 600.It may be provided with window 400 on the side wall 100 opposite with concrete post 200.
A kind of steam turbine building based on coal base distributing-supplying-energy system of the utility model, applied coal base distributed energy supply
System is according to designed by the short feature of people's livelihood type back pressure unit runing time, and the coal base distributing-supplying-energy system is without hyperbaric heating
Device, without low level draining system, merge regular unloading container and continuous blowdown flash tank, referred to as blowdown system.Due to herein
In energy supplying system, no high-pressure heater, no extraction line, therefore ready-package steam turbine can be selected.
Specifically, the generator 3, the steam turbine 4 and the reduction gearbox constitute ready-package Turbo-generator Set；Institute
Generator 3, the steam turbine 4 and the reduction gearbox is stated to be all set on common chassis.Ready-package Turbo-generator Set is all
Pipeline can be installed with cable in manufactory, and complete the assembling and test of entire fast-assembling unit, and whole components are set
Meter is matched each other, so that Steam Turbine Performance can also reduce equipment occupation space while optimization.
Ready-package steam turbine can ground configuration, optimization fall complicated turbine block, can also reduce steam turbine building height,
Reduce steam turbine building volume and civil engineering costs.The common chassis is mounted in concrete foundation, and ready-package unit is also easier to transport
It is defeated, and only need to prepare on the ground simple concrete foundation in erecting bed and fitter's work can be completed, effectively subtract
The installation workload at few scene, shortens the construction period.Due to the limitation of communications and transportation size, fast-assembling pattern be only limitted to 25MW and with
The back pressure unit of lower grade.
Specifically, the steam turbine 4 is longitudinally arranged in the steam turbine building body, and the grease assembling device 5 is set to
One end of the head of the steam turbine 4, the shaft sealing cooler 6 and the electrically driven feed pump 7 be set to the steam turbine 4 and
The side of the grease assembling device 5；The shaft sealing cooler 6 and the electrically driven feed pump 7 are indulged in the steam turbine building body
To arrangement.
When under normal conditions, using the ready-package Turbo-generator Set of import, the outgoing line part of generator 3 be can be set
On the common chassis, and without setting grease assembling device.
And when using domestic ready-package Turbo-generator Set, zero meter of floor of the steam turbine room body also needs to be provided with outlet room
2, the outlet room 2 is set between the Gateway Station in Heating Network 1 and the steam turbine 4, the hair of the ready-package Turbo-generator Set
The outgoing line part of motor 3 is set in the outlet room 2, the top of the outlet room 2 and the heat exchangers for district heating platform 14
It is highly identical, it is provided with steel ladder 22 between the outlet room roof 23 of the outlet room 2 and zero meter of floor, outlet room 2 is also set
It is equipped with outlet room door 21.Arrange 3 outlet terminal of generator to lead between step-up transformer and equipment by outlet room 2.It is described
Grease assembling device 5 is additionally provided with inside steam turbine building body, the grease assembling device 5 is set to inside the steam turbine building body
One end, for providing lubricating oil to the generator 3 and the steam turbine 4.
It in the present embodiment, specifically can be that the intracorporal equipment of steam turbine building divides arrangement space according to concrete post 200.
It is successively first to mix by the number of concrete post 200 for example, on from pumps for hot water supply net 11 to the direction of grease assembling device 5
Earth pillar is coagulated to the 6th concrete post, wherein the first concrete post and the 6th concrete post are located at steam turbine room body
Both ends wall 100 position, wall 100 where the first concrete post to the 6th concrete post and window 400 it
Between vertical extension line be denoted as an axis respectively to six axis.It is then Gateway Station in Heating Network 1 between one, two axis, 0m arranges pumps for hot water supply net 11
With heat supply network drainage pump 12,4.2m arranges heat exchangers for district heating 13.Two, between three axis arrange generator 3 outlet room 2, if it is into
Mouth unit, then without outlet room 2.Three, arrangement turbine generator group between five axis.Five, grease assembling device is arranged between six axis
5, if it is import unit, then non lubricant oil collection assembling device 5.Three, close to the wall where concrete post 200 between six axis
A shaft sealing cooler 6 and two electrically driven feed pumps 7 are arranged in 100 sides.
By taking 12MW grade back pressure unit as an example, the steam turbine building based on coal base distributing-supplying-energy system of the utility model is mixed
Distance is set to 7m between solidifying earth pillar 200, this spacing can be adjusted according to unit size.The distance between two sides wall 100 is set to
13m, this span can be adjusted according to the requirement of unit size and housing manufacturer.
Using ready-package back pressure unit, according to the difference of earthquake intensity, there can be following two steam turbine building
Arrangement form.Referring to Fig. 4, the steam turbine room body is case type steam turbine building, the steam turbine room body under the first arrangement form
Top is provided with housing 500, is provided with podium level railing 24 below the housing 500.It is strong that case type steam turbine building is suitable for earthquake
7 degree of degree and following area, by taking 12MW grade back pressure unit as an example, the steam turbine building height of the utility model is only 8m, conventional steam turbine
Room height is 17.5m, and the steam turbine building height of the utility model reduces 9.5m.Fast-assembling back pressure unit case type steam turbine building is conventional vapour
The 30% of computer room volume.Fast-assembling back pressure unit case type steam turbine building, space for maintenance are located at outside steam turbine building.Housing is removed when maintenance,
Equipment is hung out to space for maintenance with truck crane.
Referring to Fig. 5, the steam turbine room body is frame framed bent formula steam turbine building, the steam turbine room body under the second arrangement form
Top be provided with steam turbine building roof truss 700, the top of the steam turbine building roof truss 700 is provided with roof ventilator 800, the steam turbine
The lower section of house frame 700 is provided with driving 900.Frame framed bent steam turbine building is suitable for 7 degree of earthquake intensity or more areas, with 12MW grade
For back pressure unit, the steam turbine building height of the utility model is 11.5m, and conventional steam turbine building height is 17.5m, more conventional steam turbine building
6m is reduced, fast-assembling back pressure unit frame framed bent steam turbine building is the 75% of conventional steam turbine building volume.Fast-assembling back pressure unit frame framed bent steam turbine
Room, space for maintenance are located in steam turbine building, are lifted by crane using driving 900.
From the above technical scheme, a kind of steam turbine based on coal base distributing-supplying-energy system provided by the utility model
Room, comprising: steam turbine room body, Gateway Station in Heating Network 1, generator 3, steam turbine 4, shaft sealing cooler 6 and electrically driven feed pump 7.；This is practical
The novel feature short according to people's livelihood type back pressure unit runing time is based on distributing-supplying-energy system, by Gateway Station in Heating Network, power generation
Machine, steam turbine, grease assembling device, shaft sealing cooler and electrically driven feed pump etc. are reasonably arranged, are significantly reduced
The occupied space of steam turbine building reduces the height of steam turbine building, saves the civil engineering costs of steam turbine building, effectively reduces the erector at scene
It measures, shortens the construction period, improve the economy of back pressure unit heat supply.
Above the utility model embodiment does not constitute the restriction to scope of protection of the utility model.
Claims (10)
1. a kind of steam turbine building based on coal base distributing-supplying-energy system characterized by comprising steam turbine room body, Gateway Station in Heating Network
(1), generator (3), steam turbine (4), shaft sealing cooler (6) and electrically driven feed pump (7)；
The Gateway Station in Heating Network (1) includes that pumps for hot water supply net (11), heat supply network drainage pump (12), heat exchangers for district heating (13) and heat supply network add
Hot device platform (14)；
The pumps for hot water supply net (11), the heat supply network drainage pump (12), the generator (3), the steam turbine (4), the axis
Envelope cooler (6) and the electrically driven feed pump (7) are all set in zero meter of layer of the steam turbine room body；The heat exchangers for district heating is flat
Platform (14) is set to the podium level above zero meter of layer of the steam turbine room body, and the heat exchangers for district heating (13) is set to the heat supply network
On heater platform (14)；
The power output shaft of the steam turbine (4) is sequentially connected by reduction gearbox and the power input shaft of the generator (3), institute
The exhaust steam end for stating steam turbine (4) is connected to the admission end of the heat exchangers for district heating (13)；
The hydrophobic side of the heat exchangers for district heating (13) is connected to the input terminal of the heat supply network drainage pump (12), the heat exchangers for district heating
(13) water inlet end is connected to the output end of the pumps for hot water supply net (11)；The output end of the heat supply network drainage pump (12) with it is described
The input terminal of electrically driven feed pump (7) is connected to；
The gland packing leakage end of the steam turbine (4) is connected to the admission end of the shaft sealing cooler (6), the steam turbine (4)
Demineralized water output end is connected to the water inlet end of the shaft sealing cooler (6), the water outlet of the shaft sealing cooler (6) and the electricity
The input terminal connection of dynamic feed pump (7).
2. a kind of steam turbine building based on coal base distributing-supplying-energy system as described in claim 1, which is characterized in that the power generation
Machine (3), the steam turbine (4) and the reduction gearbox constitute ready-package Turbo-generator Set；The generator (3), the vapour
Turbine (4) and the reduction gearbox are all set on common chassis.
3. a kind of steam turbine building based on coal base distributing-supplying-energy system as claimed in claim 2, which is characterized in that described public
Chassis is mounted in concrete foundation.
4. a kind of steam turbine building based on coal base distributing-supplying-energy system as claimed in claim 2, which is characterized in that the steamer
Machine (4) is longitudinally arranged in the steam turbine building body, and grease assembling device (5) is set to the one of the head of the steam turbine (4)
End, the shaft sealing cooler (6) and the electrically driven feed pump (7) are set to the steam turbine (4) and the lubricating oil packaging
The side of device (5)；The shaft sealing cooler (6) and the electrically driven feed pump (7) are longitudinally arranged in the steam turbine building body.
5. a kind of steam turbine building based on coal base distributing-supplying-energy system as claimed in claim 2, which is characterized in that the fast-assembling
The outgoing line part of the generator (3) of formula Turbo-generator Set is arranged on the common chassis.
6. a kind of steam turbine building based on coal base distributing-supplying-energy system as claimed in claim 2, which is characterized in that the steam turbine
Zero meter of floor of room body is provided with outlet room (2), and the outlet room (2) is set to the Gateway Station in Heating Network (1) and the steam turbine (4)
Between, the outgoing line part of the generator (3) of the ready-package Turbo-generator Set is set in the outlet room (2), it is described go out
The outlet room roof (23) of line room (2) is identical as the height of the heat exchangers for district heating platform (14), the top of the outlet room (2)
Steel ladder (22) are provided between zero meter of layer；It is additionally provided with inside the steam turbine building body grease assembling device (5), it is described
Grease assembling device (5) is set to one end inside the steam turbine building body, for the generator (3) and the steam turbine
(4) lubricating oil is provided.
7. a kind of steam turbine building based on coal base distributing-supplying-energy system as described in claim 1, which is characterized in that the steam turbine
Room body is case type steam turbine building, is provided with housing (500) at the top of the steam turbine room body, is provided with below the housing (500)
Podium level railing (24).
8. a kind of steam turbine building based on coal base distributing-supplying-energy system as described in claim 1, which is characterized in that the steam turbine
Room body is frame framed bent formula steam turbine building, is provided with steam turbine building roof truss (700) at the top of the steam turbine room body, the steam turbine building roof truss
(700) it is provided with above roof ventilator (800), is provided with driving (900) below the steam turbine building roof truss (700).
9. a kind of steam turbine building based on coal base distributing-supplying-energy system as described in claim 1, which is characterized in that the platform
The height of layer is 4.2m.
10. a kind of steam turbine building based on coal base distributing-supplying-energy system as described in claim 1, which is characterized in that the heat
Net initial station (1) is set to inside the steam turbine building body, alternatively, the Gateway Station in Heating Network (1) is set to the outside of the steam turbine room body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822174727.8U CN209483444U (en) | 2018-12-24 | 2018-12-24 | A kind of steam turbine building based on coal base distributing-supplying-energy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822174727.8U CN209483444U (en) | 2018-12-24 | 2018-12-24 | A kind of steam turbine building based on coal base distributing-supplying-energy system |
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| Publication Number | Publication Date |
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| CN209483444U true CN209483444U (en) | 2019-10-11 |
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ID=68126990
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488395A (en) * | 2018-12-24 | 2019-03-19 | 中国能源建设集团陕西省电力设计院有限公司 | A kind of steam turbine building based on coal base distributing-supplying-energy system |
-
2018
- 2018-12-24 CN CN201822174727.8U patent/CN209483444U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488395A (en) * | 2018-12-24 | 2019-03-19 | 中国能源建设集团陕西省电力设计院有限公司 | A kind of steam turbine building based on coal base distributing-supplying-energy system |
| CN109488395B (en) * | 2018-12-24 | 2024-02-20 | 中国能源建设集团陕西省电力设计院有限公司 | Steam turbine room based on coal-based distributed energy supply system |
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