CN207660653U - A kind of parallel adjacent vapour driving steam turbine device - Google Patents
A kind of parallel adjacent vapour driving steam turbine device Download PDFInfo
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- CN207660653U CN207660653U CN201721875496.2U CN201721875496U CN207660653U CN 207660653 U CN207660653 U CN 207660653U CN 201721875496 U CN201721875496 U CN 201721875496U CN 207660653 U CN207660653 U CN 207660653U
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Abstract
A kind of parallel adjacent vapour driving steam turbine device, including vapour source, the first auxiliary vapour header, the first Steam Turbine, the second auxiliary vapour header and the second Steam Turbine, the first auxiliary vapour header is connect with the first Steam Turbine, and the steam supply for providing the first Steam Turbine, second auxiliary vapour header is connect with the second Steam Turbine, and for providing the second Steam Turbine steam supply, the first auxiliary vapour header is connect by third pipeline with the second auxiliary vapour header, it is characterized in that, the vapour source is connect with the first auxiliary vapour header, and the vapour source is connect with the second auxiliary vapour header.The utility model avoids the first Steam Turbine when stopping operating, the second Steam Turbine just causes it that can not operate without starting vapour source by the way that vapour source directly to be connect with the first auxiliary vapour header and the second auxiliary vapour header.
Description
Technical field
The utility model is related to energy conversions, more particularly to a kind of parallel adjacent vapour driving steam turbine device.
Background technology
In existing design, a new power plant is built again in primary power plant due to being all, then primary power plant
Steam Turbine can be cascaded with new Steam Turbine by its auxiliary vapour header, due to when a Steam Turbine normal operation
Later, four sections of steam extractions in steam turbine can be transported to meets the operating of Steam Turbine in auxiliary vapour header, then newly-built is new
Steam Turbine does not just have to connection and starts vapour source to meet the steam supply needs of steam turbine startup stage, it is only necessary to pass through auxiliary vapour header
Steam supply demand when can meet unit starting is guided in this Steam Turbine in four sections of steam extractions of next door unit by connection.Such as patent
CN201420781212.3 discloses a kind of unit style unit and starts intermediate pressure cylinder device, including the machine and adjacent machine using adjacent vapour, this
This machine auxiliary steam header is provided on machine, this machine auxiliary steam header connects boiler reheater, and boiler reheater connects Steam Turbine Through IP Admission,
Adjacent machine auxiliary steam header is provided on adjacent machine, adjacent machine auxiliary steam header is connected by pipeline with this machine auxiliary steam header.And this mode
Only simply auxiliary vapour header is connected in series together, but if the Steam Turbine that connection starts vapour source is being repaired or is being stopped transport, that
May result in adjacent Steam Turbine can not start.
Utility model content
The purpose of this utility model is to provide can two Steam Turbines be provided with the parallel adjacent vapour driving for starting steam supply
Steam-turbine plant, to solve the problems mentioned in the above background technology.
To achieve the above object, the design invention provides the following technical solutions：
A kind of parallel adjacent vapour driving steam turbine device, including vapour source, the first auxiliary vapour header, the first Steam Turbine, second
Auxiliary vapour header and the second Steam Turbine, the vapour source is for generating and supplying steam, the first auxiliary vapour header and the first vapour
Unit connection, and the steam for providing the first Steam Turbine are taken turns, the second auxiliary vapour header is connect with the second Steam Turbine, and is used for
The steam of the second Steam Turbine is provided, the first auxiliary vapour header is connect by third pipeline with the second auxiliary vapour header, the vapour
Source is connect with the first auxiliary vapour header, and the vapour source is connect with the second auxiliary vapour header.
By the way that vapour source directly to be connect with the first auxiliary vapour header and the second auxiliary vapour header, avoids the first Steam Turbine and exist
When stopping operating, the second Steam Turbine just causes it that can not operate without starting vapour source.If vapour source passes through the first auxiliary vapour
If the second auxiliary vapour header steam supply of header pair, if may result in the first Steam Turbine during stoppage in transit, can only be closed
The pipeline of one auxiliary vapour header and all connections of the first Steam Turbine, but the first auxiliary vapour header has been connected to the first Steam Turbine and has been permitted
Multi-pipeline can have the case where leakage, cannot ensure the first Steam Turbine it is difficult to the valve of all pipelines all be closed tightly
It is the state in safety, is unfavorable for worker's maintenance.
Preferably, the vapour source is connect by first pipe with the first auxiliary vapour header, and the first pipe is equipped with for opening
Close the first motor-driven valve of first pipe and the first manual valve for opening and closing first pipe.
Realize that remote control vapour source is input to the first auxiliary vapour header by the way that the first motor-driven valve is arranged in first pipe, such as
The first Steam Turbine of fruit stoppage in transit maintenance period then closes the first motor-driven valve, and steam is avoided to enter in the first auxiliary vapour header.In addition
By designing first manual valve, first pipe can be turned off manually, accident is avoided to send out when the first motor-driven valve is not remotely controlled
It is raw.
Preferably, the steam-turbine plant is equipped with second pipe, and described second pipe one end is connect with vapour source, one end setting
In third pipeline.
By the way that second pipe is arranged, and one end is connect with vapour source, the other end is connect with third pipeline, is realized from vapour
Source directly leads out steam and is finally reached in the second auxiliary vapour header by second pipe and third pipeline, and the second Steam Turbine is helped to open
It is dynamic.
Preferably, the second pipe is equipped with the second motor-driven valve for opening and closing second pipe and equipped with for opening and closing the
Second hand-operated valve of two pipelines.
Realize that remote control vapour source is input to the second auxiliary vapour header by the way that the second motor-driven valve is arranged on second pipe, such as
The second Steam Turbine of fruit stoppage in transit maintenance period then closes the second motor-driven valve, and steam is avoided to enter in the second auxiliary vapour header.In addition
By designing the second hand-operated valve, second pipe can be turned off manually, accident is avoided to send out when the second motor-driven valve is not remotely controlled
It is raw.
Preferably, the third pipeline and the first auxiliary vapour header junction are equipped with third motor-driven valve, third pipeline and second
Auxiliary vapour header junction is equipped with the 4th motor-driven valve.
By the way that third motor-driven valve is arranged, avoid during the first Steam Turbine is stopped transport, the second Steam Turbine passes through
Vapour source is come when starting, vapour source is entered by third pipeline in the first auxiliary vapour header, is caused the accident.
Preferably, the vapour source is connect by the 4th pipeline with the second auxiliary vapour header, and the 4th pipeline is equipped with for opening
The 5th motor-driven valve of the 4th pipeline is closed, the 4th pipeline is equipped with the third hand-operated valve for opening and closing the 4th pipeline.
It is directly connect with the second auxiliary vapour header by the way that the 4th pipeline is arranged, vapour source can not be by third pipeline directly with the
Two auxiliary vapour header connections.
Preferably, the vapour source is provided by starting trouble.Certain vapour source may be other Steam Turbines.
Since starting trouble is arcola, it is only necessary to less energy be lost provide for certain steam and go to steam turbine
Startup vapour source is provided everywhere in group.And then it can provide vapour by four sections of steam extractions of steam turbine after steam turbine works normally
Source.
Preferably, first Steam Turbine and the second Steam Turbine include condenser, oxygen-eliminating device, boiler and steamer
Machine, the condenser are connect with oxygen-eliminating device, and oxygen-eliminating device is connect with boiler, and boiler is connect with steam turbine, the low pressure (LP) cylinder of steam turbine with
Condenser connects, and the auxiliary vapour header is connect with oxygen-eliminating device, boiler and steam turbine, is used for during steam turbine starts to deoxygenation
Device, boiler and steam turbine provide steam.
Compared with prior art, beneficial effects of the present invention are：
By the way that vapour source is directly connect with the first auxiliary vapour header and the second auxiliary vapour header, realize the first Steam Turbine with
Operation is activated individually in second Steam Turbine, avoids when the first Steam Turbine is in maintenance, the second Steam Turbine can not be run
Situation.In addition it is provided with the first motor-driven valve, first manual valve, the second hand-operated valve and the second motor-driven valve, is realized in the accident phase
Between stop steam supply manually, improve the safety of whole device.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Label shown in attached drawing：1, vapour source；2, the first auxiliary vapour header；3, the first Steam Turbine；4, the second auxiliary vapour header；5、
Second Steam Turbine；11, third pipeline；12, third motor-driven valve；13, the 4th motor-driven valve；21, first pipe；22, first is electronic
Valve；23, first manual valve；31, condenser；32, oxygen-eliminating device；33, boiler；34, steam turbine；41, second pipe；42, the second electricity
Dynamic valve；43, the second hand-operated valve.
Specific implementation mode
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
Embodiment 1
As shown in Figure 1, a kind of parallel adjacent vapour driving steam turbine device, including vapour source 1, the first auxiliary vapour header 2, the first vapour
Unit 3,4 and second Steam Turbine 5 of the second auxiliary vapour header are taken turns, for the vapour source 1 for generating and supplying steam, described first is auxiliary
Vapour header 2 is connect with the first Steam Turbine 3, and the steam for providing the first Steam Turbine 3, the second auxiliary vapour header 4 and second
Steam Turbine 5 connects, and for providing the steam of the second Steam Turbine 5, the first auxiliary vapour header 2 by third pipeline 11 and
Second auxiliary vapour header 4 connects, and the vapour source 1 is connect with the first auxiliary vapour header 2, and the vapour source 1 is connect with the second auxiliary vapour header 4.
By the way that vapour source 1 directly to be connect with 2 and second auxiliary vapour header 4 of the first auxiliary vapour header, the first steam turbine is avoided
For group 3 when stopping operating, the second Steam Turbine 5 just causes it that can not operate without starting vapour source 1.If vapour source 1 passes through
First auxiliary vapour header 2 is to the second auxiliary 4 steam supply of vapour header, if may result in the first Steam Turbine 3 during stoppage in transit, only
The pipeline of 2 and first Steam Turbine of the first auxiliary vapour header, 3 all connections, but 2 and first vapour of the first auxiliary vapour header can be closed
Wheel unit 3 has been connected to many pipelines, it is difficult to say that the valve of all pipelines is all closed tightly, can there is the case where leakage, cannot
Ensure that the first Steam Turbine 3 is the state in safety, is unfavorable for worker's maintenance.
The vapour source 1 is connect by first pipe 21 with the first auxiliary vapour header 2, and the first pipe 21 is equipped with for opening and closing
First motor-driven valve 22 of first pipe 21 and the first manual valve 23 for opening and closing first pipe 21.
Realize that remote control vapour source 1 is input to the first auxiliary vapour connection by the way that the first motor-driven valve 22 is arranged in first pipe 21
Case 2 closes the first motor-driven valve 22 if the first Steam Turbine 3 stops transport the maintenance period, and steam is avoided to enter the first auxiliary vapour connection
In case 2.In addition by designing first manual valve 23, first can be turned off manually when the first motor-driven valve 22 is not remotely controlled
Pipeline 21, avoids accident.
34 device of the steam turbine is equipped with second pipe 41, and 41 one end of the second pipe is connect with vapour source 1, one end setting
In third pipeline 11.
By the way that second pipe 41 is arranged, and one end is connect with vapour source 1, the other end is connect with third pipeline 11, is realized
Steam is directly led out from vapour source 1 finally to reach in the second auxiliary vapour header 4 by second pipe 41 and third pipeline 11, helps the
Two Steam Turbines 5 start.
The second pipe 41 is equipped with the second motor-driven valve 42 for opening and closing second pipe 41 and equipped with for opening and closing the
Second hand-operated valve 43 of two pipelines 41.
Realize that remote control vapour source 1 is input to the second auxiliary vapour connection by the way that the second motor-driven valve 42 is arranged on second pipe 41
Case 4 closes the second motor-driven valve 42 if the second Steam Turbine 5 stops transport the maintenance period, and steam is avoided to enter the second auxiliary vapour connection
In case 4.In addition by designing the second hand-operated valve 43, second can be turned off manually when the second motor-driven valve 42 is not remotely controlled
Pipeline 41, avoids accident.
11 and first auxiliary 2 junction of vapour header of the third pipeline is equipped with third motor-driven valve 12, third pipeline 11 and second
Auxiliary 4 junction of vapour header is equipped with the 4th motor-driven valve 13.
By the way that third motor-driven valve 12 is arranged, avoid during the first Steam Turbine 3 is stopped transport, the second Steam Turbine 5
By vapour source 1 come when starting, vapour source 1 is entered by third pipeline 11 in the first auxiliary vapour header 2, is caused the accident.
It is directly connect with the second auxiliary vapour header 4 by the way that the 4th pipeline is arranged, vapour source 1 can not be direct by third pipeline 11
It is connect with the second auxiliary vapour header 4.
The vapour source 1 is provided by starting trouble 33.
Since starting trouble is small-sized boiler 33, it is only necessary to less energy be lost provide for certain steam and go to
It is provided everywhere in 34 groups of steam turbine and starts vapour source 1.And it can then pass through the four of steam turbine 34 after steam turbine 34 works normally
Section steam extraction provides vapour source 1.
First Steam Turbine, 3 and second Steam Turbine 5 includes condenser, oxygen-eliminating device 32, boiler 33 and steam turbine
34, the condenser is connect with oxygen-eliminating device 32, and oxygen-eliminating device 32 is connect with boiler 33, and boiler 33 is connect with steam turbine 34, steam turbine
34 low pressure (LP) cylinder is connect with condenser, the axle envelope regulation station of the auxiliary vapour header and oxygen-eliminating device 32, boiler 33 and steam turbine 34
Connection, for being used to 34 steam supply of oxygen-eliminating device 32, boiler 33 and steam turbine, the axle envelope regulation station during steam turbine 34 starts
The steam pressure of steam turbine is entered in adjusting.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (8)
1. a kind of parallel adjacent vapour driving steam turbine device, including vapour source (1), the first auxiliary vapour header (2), the first Steam Turbine
(3), the second auxiliary vapour header (4) and the second Steam Turbine (5), for the vapour source for generating and supplying steam, described first is auxiliary
Vapour header (2) is connect with the first Steam Turbine (3), and for providing steam, the second auxiliary vapour header to the first Steam Turbine (3)
(4) it is connect with the second Steam Turbine (5), and for providing steam, the first auxiliary vapour header (2) to the second Steam Turbine (5)
It is connect with the second auxiliary vapour header (4) by third pipeline (11), which is characterized in that the vapour source (1) and the first auxiliary vapour header (2)
Connection, the vapour source (1) connect with the second auxiliary vapour header (4).
2. the parallel adjacent vapour driving steam turbine device of one kind according to claim 1, which is characterized in that the vapour source (1)
It is connect with the first auxiliary vapour header (2) by first pipe (21), the first pipe (21) is equipped with for opening and closing first pipe
(21) the first motor-driven valve (22) and the first manual valve (23) for opening and closing first pipe (21).
3. the parallel adjacent vapour driving steam turbine device of one kind according to claim 1, which is characterized in that the steam turbine dress
Second pipe (41) is installed, described second pipe (41) one end is connect with vapour source (1), and one end is arranged in third pipeline (11)
In.
4. the parallel adjacent vapour driving steam turbine device of one kind according to claim 3, which is characterized in that the second pipe
(41) it is equipped with the second motor-driven valve (42) for opening and closing second pipe (41) and equipped with for opening and closing second pipe (41)
Two hand-operated valves (43).
5. the parallel adjacent vapour driving steam turbine device of one kind according to claim 4, which is characterized in that the third pipeline
(11) third motor-driven valve (12) is equipped with the first auxiliary vapour header (2) junction, third pipeline (11) connects with the second auxiliary vapour header (4)
It meets place and is equipped with the 4th motor-driven valve (13).
6. the parallel adjacent vapour driving steam turbine device of one kind according to claim 1, which is characterized in that the vapour source (1)
It is connect with the second auxiliary vapour header (4) by the 4th pipeline, the 4th pipeline is electronic equipped with the 5th for opening and closing the 4th pipeline
Valve, the 4th pipeline are equipped with the third hand-operated valve for opening and closing the 4th pipeline.
7. according to a kind of parallel adjacent vapour driving steam turbine device of claim 1-6 any one of them, which is characterized in that described
Vapour source (1) is provided by starting trouble.
8. according to a kind of parallel adjacent vapour driving steam turbine device of claim 1-6 any one of them, which is characterized in that described
First Steam Turbine (3) and the second Steam Turbine (5) include condenser (31), oxygen-eliminating device (32), boiler (33) and steam turbine
(34), the condenser (31) connect with oxygen-eliminating device (32), and oxygen-eliminating device (32) is connect with boiler (33), boiler (33) and steam turbine
(34) it connects, the low pressure (LP) cylinder of steam turbine (34) is connect with condenser (31), the auxiliary vapour header and oxygen-eliminating device (32), boiler (33)
And steam turbine (34) connection, it is used for during steam turbine (34) starts to oxygen-eliminating device (32), boiler (33) and steam turbine
(34) steam is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875496.2U CN207660653U (en) | 2017-12-26 | 2017-12-26 | A kind of parallel adjacent vapour driving steam turbine device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875496.2U CN207660653U (en) | 2017-12-26 | 2017-12-26 | A kind of parallel adjacent vapour driving steam turbine device |
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| CN207660653U true CN207660653U (en) | 2018-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075522A (en) * | 2019-12-17 | 2020-04-28 | 广州中电荔新电力实业有限公司 | Single machine thermal state starting method without auxiliary steam source |
-
2017
- 2017-12-26 CN CN201721875496.2U patent/CN207660653U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075522A (en) * | 2019-12-17 | 2020-04-28 | 广州中电荔新电力实业有限公司 | Single machine thermal state starting method without auxiliary steam source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510000 28-30 Floor, No. 3 Linjiang Avenue, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU DEVELOPMENT Group Inc. Patentee after: GUANGZHOU DEVELOPMENT POWER GROUP Co.,Ltd. Patentee after: Guangzhou Zhongdian Lixin Thermal Power Co.,Ltd. Address before: 510000 28-30 Floor, No. 3 Linjiang Avenue, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU DEVELOPMENT Group Inc. Patentee before: GUANGZHOU DEVELOPMENT POWER GROUP Co.,Ltd. Patentee before: GUANGZHOU CETC LIXIN ELECTRIC POWER INDUSTRIAL Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |