CN207455560U - A kind of 660MW supercritical pressure turbines debugging apparatus - Google Patents
A kind of 660MW supercritical pressure turbines debugging apparatus Download PDFInfo
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- CN207455560U CN207455560U CN201721569164.1U CN201721569164U CN207455560U CN 207455560 U CN207455560 U CN 207455560U CN 201721569164 U CN201721569164 U CN 201721569164U CN 207455560 U CN207455560 U CN 207455560U
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Abstract
The utility model discloses a kind of 660MW supercritical pressure turbines debugging apparatus.Belong to boiler washing pipe technical field, the steam supply of steam turbine can be achieved with without stopping steam conveying pipeline to carrying out eliminating impurities close to one section of nearer steam conveying pipeline of boiler.Including boiler, steam lead, it is responsible for, goes out steam pipe, side pipe, scale removing tube and dirt removal device；The left nozzle of supervisor includes the upper left nozzle and lower-left nozzle in forked arrangement, and the right nozzle of supervisor includes upper right nozzle and bottom right nozzle in forked arrangement；The left end of side pipe after arc-shaped bending downwardly toward the right side in obtaining the left bending segment pipe of side pipe, and the right end of side pipe is downwardly toward a left side in obtaining the right bending segment pipe of side pipe after arc-shaped bending；One end docking of steam lead is connected on the lower-left nozzle of supervisor, and the other end docking of steam lead is connected on a steam (vapor) outlet of boiler.
Description
Technical field
The utility model is related to boiler washing pipe technical fields, and in particular to a kind of 660MW supercritical pressure turbines debugging apparatus.
Background technology
After boiler long-time service, can be deposited on the inner wall of boiler substantial amounts of steam dirt, iron filings and with the sundries such as iron rust,
When the sundries in boiler runs up to a certain amount of, it may appear that a part of sundries comes off, and when the sundries to come off is larger, is just present with
Sundries blocks steam conveying pipeline and pipe is caused to overheat explosion or sundries occur and is impinged upon with high speed steam flow on turbine blade
Leaf destruction is caused, has caused a serious accident.The most susceptible to plugging steam conveying pipeline of sundries come out from boiler is just proximate to pot
One section of nearest steam conveying pipeline of stove, as long as often clear to carrying out sundries close to one section of nearest steam conveying pipeline of boiler
It removes, the steam conveying pipeline that will make steam turbine is unimpeded.
When being now to carrying out eliminating impurities close to one section of nearer steam conveying pipeline of boiler, it is necessary to stop steam conveying
Pipeline is to steam turbine steam supply, so as to cause halt turbines.
Utility model content
The utility model is to solve now to carrying out eliminating impurities close to one section of nearer steam conveying pipeline of boiler
When, it is necessary to stop steam conveying pipeline to that could be carried out after steam turbine steam supply, so as to cause the deficiency of halt turbines, provide one
Kind does not have to stopping steam conveying pipeline and the steam supply of steam turbine can be achieved with to close to one section of nearer steam conveying pipeline of boiler
Eliminating impurities are carried out, the inclusion particles in steam can be separated with steam, safe, a kind of 660MW of good reliability, which surpasses, to be faced
Boundary's steam turbine debugging apparatus.
More than technical problem is solved by following technical proposal：
A kind of 660MW supercritical pressure turbines debugging apparatus, the steam power transport system including steam turbine, steam power are defeated
System is sent to include boiler, steam lead, be responsible for, go out steam pipe, side pipe, scale removing tube and dirt removal device；The left nozzle bag of supervisor
The upper left nozzle and lower-left nozzle in forked arrangement are included, the right nozzle of supervisor includes the upper right nozzle in forked arrangement and the right side
Lower nozzle；The left end of side pipe downwardly toward the right side in obtaining the left bending segment pipe of side pipe after arc-shaped bending, the right end of side pipe downwardly toward
A left side obtains the right bending segment pipe of side pipe after being bent in arc-shaped；One end docking of steam lead is connected to the lower-left nozzle of supervisor
On, the other end docking of steam lead is connected on a steam (vapor) outlet of boiler；The left end docking for going out steam pipe is connected to master
On the bottom right nozzle of pipe, the bending segment pipe docking of side pipe is connected on the upper left nozzle of supervisor, the right bending segment pipe docking of side pipe
It is connected on the upper right nozzle of supervisor；So as to which the side pipe after connection be allowed to form a perimetrical lumen with supervisor；Dirt removal device is lived
It is dynamic to be arranged in perimetrical lumen, and dirt removal device can be moved in perimetrical lumen annular；If side pipe by left bending segment pipe, in
Section pipe and right bending segment pipe composition；Side steam inlet, an auxiliary tube are equipped on the stage casing pipe of side pipe at right bending segment pipe
Both ends docking be connected on the steam inlet of side and another steam (vapor) outlet of boiler on；And the steam energy flowed out from auxiliary tube
Dirt removal device is promoted to be moved counterclockwise in perimetrical lumen；Going out the right end of steam pipe includes going out on steam in forked arrangement
Nozzle and go out steam lower nozzle, the lower end docking of scale removing tube is connected to out the going out on steam upper orifice of steam pipe；In steam lead
No.1 valve is equipped with, No. two valves are equipped on auxiliary tube, No. three valves are equipped on steam upper orifice is gone out, in the case where going out steam
Nozzle is equipped with No. four valves.It is connected in the steam port docking that goes out of No. four valves and can reduce the particle drop of granule content in steam
Low mechanism；Hush tube is connected in the upper port docking of scale removing tube.
In the present solution, include the pipeline of supervisor and the pipeline of side pipe close to one section of nearer steam conveying pipeline of boiler,
When sundries in the perimetrical lumen formed to the pipeline of supervisor and the pipeline of side pipe is purged, as long as dirt removal device is allowed to exist
Loopy moving can remove the sundries on perimetrical lumen inner wall in perimetrical lumen.Dirt removal device will be removed on perimetrical lumen inner wall
The course of work of sundries be：If starting No.1 valve is in opening state, managed if starting dirt removal device in the stage casing of side pipe
Place opens No. two valves, the steam of boiler is allowed to be entered from auxiliary tube in perimetrical lumen, ring pipe is entered from auxiliary tube at this time
Intracavitary steam is from right toward moving left in side pipe, and dirt removal device can be promoted from side pipe toward the steam moved left from right in side pipe
Supervisor is moved to, steam is to move from left to right in supervisor, and dirt removal device is also to move from left to right in supervisor, works as dirt
When the rear end of dirty remover is moved to the left end of supervisor, the front end of dirt removal device is then moved in the stage casing pipe of side pipe, dirt
The front end of remover will be entirely moved in side pipe in the steam stream of the left flowings of stage casing Guan Zhongchao, and so Xun Huan can be real
Existing dirt removal device moves in official jargon is cycled, and so as to fulfill removing of the dirt removal device to sundries in Xun Huan official jargon, dirt is clear
Sundries after being removed except device with being discharged after steam flow steam turbine, due to can setting time often so to nearer close to boiler
One section of steam conveying pipeline carries out eliminating impurities so that close to one section of nearer steam conveying pipeline of boiler be not easy stacking volume compared with
Big sundries, the sundries volume of discharge all can be smaller, and smaller sundries will not damage turbine blade, reliability and peace
Full property is higher.Particle reducing mechanism separates the inclusion particles in steam with steam, reduces damage of the particle to turbine blade.
This programme does not have to stopping steam conveying pipeline and the steam supply of steam turbine can be achieved with to being conveyed close to one section of nearer steam of boiler
Pipeline carries out eliminating impurities, safe, good reliability.
Preferably, particle reducing mechanism includes high-voltaghe compartment, stent is equipped in high-voltaghe compartment, is equipped with and steams vertically on stent
The flat rotation pipe of vapour, one end docking of connecting tube are connected to the going out on steam port of No. four valves, and the other end of the connecting tube turns
Dynamic docking is connected on the upper orifice of the flat rotation pipe of steam；It puts down in steam and is equipped with and the flat pipe of steam on the vertical tube wall of rotation pipe
The vertical holes that tube chamber is connected, docking is fixedly connected with aperture from inside to outside from left to right outwardly on the aperture of each vertical holes
Inclined reaction force mouth；
Preferably, it is equipped in the vertical inner wall of high-voltaghe compartment below reaction force mouth in horn-like opening down cloth
The filter mantle put is equipped with several filter hole on filter mantle, main cage apertures is equipped on the filter mantle above filter hole, in filter hole
The filter mantle of lower section is equipped with circular cowling slot, and annular riffler, the upper notch of annular riffler are equipped in the slot bottom of circular cowling slot
Width is less than the bottom surface width of annular riffler；The high-voltaghe compartment for going out steam port and being arranged below filter mantle of particle reducing mechanism
Upright side walls on, and be equipped with out steam valve in going out on steam port for particle reducing mechanism.This structure is to miscellaneous in steam
Composition granule and steam separating degree are preferable.
The utility model can reach following effect：
The utility model close to one section of nearer steam conveying pipeline of boiler when to carrying out eliminating impurities, without stopping steaming
Vapour transfer pipeline can separate the inclusion particles in steam with steam to the steam supply of steam turbine, reduce particle to turbine blade
Damage.Safe, good reliability is simple in structure.
Description of the drawings
Fig. 1 is a kind of attachment structure schematic diagram of the utility model.
Fig. 2 is a kind of local attachment structure schematic diagram at the utility model dirt removal device.
Fig. 3 is a kind of local attachment structure schematic diagram at the utility model particle reducing mechanism.
Specific embodiment
The utility model is further described with embodiment below in conjunction with the accompanying drawings.
Embodiment, a kind of 660MW supercritical pressure turbines debugging apparatus, referring to shown in Fig. 1, Fig. 2, Fig. 3, including steam turbine
Steam power transport system, steam power transport system include boiler 48, steam lead 8, supervisor 6, go out steam pipe 4, side pipe 13,
Scale removing tube 21 and dirt removal device 14；The left nozzle of supervisor includes the upper left nozzle 10 and lower-left nozzle 7 in forked arrangement, main
The right nozzle of pipe includes the upper right nozzle 20 and bottom right nozzle 5 in forked arrangement；The left end of side pipe is in arc-shaped downwardly toward the right side
Obtain the left bending segment pipe 12 of side pipe after bending, the right end of side pipe is downwardly toward a left side in obtaining the right bending of side pipe after arc-shaped bending
Section pipe 19；One end docking of steam lead is connected on the lower-left nozzle of supervisor, and the other end docking of steam lead is connected to pot
On one steam (vapor) outlet of stove；The left end docking for going out steam pipe is connected on the bottom right nozzle of supervisor, the bending segment pipe pair of side pipe
It is connected in succession on the upper left nozzle of supervisor, the right bending segment pipe docking of side pipe is connected on the upper right nozzle of supervisor；So as to the company of allowing
Side pipe and supervisor after connecing form a perimetrical lumen 15；Dirt removal device is movably arranged in perimetrical lumen, and dirt is clear
Except device can be moved in perimetrical lumen annular；If side pipe is made of left bending segment pipe 12, stage casing pipe 16 and right bending segment pipe 19；
The stage casing pipe of side pipe at right bending segment pipe is equipped with side steam inlet, and the both ends docking of an auxiliary tube 17 is connected to side steam
In import and on another steam (vapor) outlet of boiler；And the steam flowed out from auxiliary tube can promote dirt removal device in ring pipe
11 are moved in chamber counterclockwise；Going out the right end of steam pipe includes going out steam upper orifice 3 and to go out steam lower nozzle in forked arrangement
2, the docking of the lower end of scale removing tube is connected to out the going out on steam upper orifice of steam pipe；No.1 valve 9 is equipped in steam lead,
Auxiliary tube is equipped with No. two valves 18, and No. three valves 22 are equipped on steam upper orifice is gone out, and four are equipped on steam lower nozzle is gone out
Number valve 1.It is connected in the steam port docking that goes out of No. four valves and can reduce the particle reducing mechanism of granule content in steam.It is arranging
The upper port docking of dirty pipe is connected with hush tube 211.Hush tube is the silencer of duct type.Hush tube can reduce to go out from hush tube
The sound of the steam come, good reliability.
Dirt removal device includes the mobile cylinder 46 of three sections, wherein the front and back end of the mobile cylinder of a section is moved respectively with other two sections
One end universal rotational connection 45 of dynamic cylinder, all turning set is equipped with rotation pipe 41 respectively on the periphery of the mobile cylinder of every section,
Uniformly be fixed with several blades 40 parallel to each other respectively on the periphery wall of each rotation pipe, and each blade with
The angle of the tube core line of rotation pipe at place is less than 30 degree.
Several anti-rotation movable plates 43, each anti-rotation are all uniformly fixed with respectively on the periphery of the mobile cylinder of every section
Piece is parallel with the tube core line of the rotation pipe at place.
The outer end elasticity of anti-rotation movable plate is equipped with ball 42.
Guide collar 44 there are one being set jointly in every outer end for saving the anti-rotation movable plate on mobile cylinder.
Elastic scraping dirt mechanism is respectively equipped in the outer end of each blade.
Elastic scraping dirt mechanism includes the temperature-sensitive telescopic block 39 for being arranged on each blade outer end, in two neighboring temperature-sensitive telescopic block
In, it is jagged sawtooth scraping dirt piece 38 that the outer end of a temperature-sensitive telescopic block, which is equipped with outer end, wherein, is stretched in another temperature-sensitive
The outer end of block is equipped with the edge of a knife scraping dirt piece 47 that outer end is edge of a knife shape.
Particle reducing mechanism includes high-voltaghe compartment 23, and stent 26 is equipped in high-voltaghe compartment, is put down vertically equipped with steam on stent
Rotation pipe 24, one end docking of connecting tube 32 are connected to the going out on steam port of No. four valves, and the other end of the connecting tube turns
Dynamic docking is connected on the upper orifice of the flat rotation pipe of steam；It puts down in steam and is equipped with and the flat pipe of steam on the vertical tube wall of rotation pipe
The vertical holes 25 that tube chamber is connected on the aperture of each vertical holes docks and is fixedly connected with aperture from inside to outside from left past outwardly
Right-oblique reaction force mouth 27；It is equipped in the vertical inner wall of high-voltaghe compartment below reaction force mouth in horn-like opening court
The filter mantle 37 of lower arrangement is equipped with several filter hole 29 on filter mantle, and main cage apertures is equipped on the filter mantle above filter hole
28, circular cowling slot 33 is equipped on the filter mantle below filter hole, annular riffler 34, annular are equipped in the slot bottom of circular cowling slot
The upper width of rebate of riffler is less than the bottom surface width of annular riffler；The steam port 30 that goes out of particle reducing mechanism was arranged on
In the upright side walls of high-voltaghe compartment below filter bowl, and go out on steam port to be equipped with out steam valve 31 in particle reducing mechanism.Vapour
The inlet end of turbine is that docking is connected to out the going out on steam port of steam valve.
The groove bottom of circular cowling slot is equipped with sand discharge hole, and a docking of sand discharge pipe 36 is connected on sand discharge hole, in sand discharge pipe
It is equipped with sand discharge valve 35.
In leading case is implemented, the pipeline of supervisor and the pipe of side pipe are included close to one section of nearer steam conveying pipeline of boiler
Road, when the sundries in the perimetrical lumen formed to the pipeline of supervisor and the pipeline of side pipe is purged, as long as allowing dirt removal
Device loopy moving in perimetrical lumen can remove the sundries on perimetrical lumen inner wall.Dirt removal device will be removed in perimetrical lumen
The course of work of sundries on wall is：If starting No.1 valve is in opening state, if starting dirt removal device in side pipe
At section pipe, No. two valves are opened at this time, the steam of boiler is allowed to be entered from auxiliary tube in perimetrical lumen, ring is entered from auxiliary tube
In shape tube chamber steam be in side pipe from right toward moving left, in side pipe from it is right toward the steam moved left can promote dirt removal device from
Side pipe is moved to supervisor, and steam is to move from left to right in supervisor, and dirt removal device is also to move from left to right in supervisor,
When the rear end of dirt removal device is moved to the left end of supervisor, the front end of dirt removal device is then moved in the stage casing pipe of side pipe,
The front end of dirt removal device will be entirely moved in side pipe in the steam stream of the left flowings of stage casing Guan Zhongchao, and so Xun Huan is
Dirt removal device can be achieved to move in official jargon is cycled, it is dirty so as to fulfill removing of the dirt removal device to sundries in Xun Huan official jargon
Dirty remover remove after sundries with being discharged after steam flow steam turbine, due to can setting time often so to close to boiler compared with
One section of near steam conveying pipeline carries out eliminating impurities so that is not easy accumulation body close to one section of nearer steam conveying pipeline of boiler
The larger sundries of product, the sundries volume of discharge all can be smaller, and smaller sundries will not damage turbine blade, reliability
It is higher with security.Inclusion particles in steam with steam can be separated, reduce damage of the particle to turbine blade.This implementation
Example does not have to stopping steam conveying pipeline and the steam supply of steam turbine can be achieved with to close to one section of nearer steam conveying pipeline of boiler
Carry out eliminating impurities, safe, good reliability.
The embodiments of the present invention have been described above with reference to the accompanying drawings, and however, the implementation is not limited to the above embodiments, this
Field those of ordinary skill can be with various changes and modifications may be made within the scope of the appended claims.
Claims (3)
1. a kind of 660MW supercritical pressure turbines debugging apparatus, which is characterized in that the steam power transport system including steam turbine,
Steam power transport system includes boiler, steam lead, is responsible for, goes out steam pipe, side pipe, scale removing tube and dirt removal device；Supervisor
Left nozzle include upper left nozzle and lower-left nozzle in forked arrangement, the right nozzle of supervisor includes the right side in forked arrangement
Upper orifice and bottom right nozzle；The left end of side pipe obtains the left bending segment pipe of side pipe after being bent downwardly toward the right side in arc-shaped, side pipe
Right end obtains the right bending segment pipe of side pipe after being bent downwardly toward a left side in arc-shaped；One end docking of steam lead is connected to supervisor's
On the nozzle of lower-left, the other end docking of steam lead is connected on a steam (vapor) outlet of boiler；Go out the left end docking of steam pipe
It is connected on the bottom right nozzle of supervisor, the bending segment pipe docking of side pipe is connected on the upper left nozzle of supervisor, the right bending of side pipe
Section pipe docking is connected on the upper right nozzle of supervisor；So as to which the side pipe after connection be allowed to form a perimetrical lumen with supervisor；Dirt
Remover is movably arranged in perimetrical lumen, and dirt removal device can be moved in perimetrical lumen annular；If side pipe is by left curved
Trisection pipe, stage casing pipe and right bending segment pipe composition；On the stage casing pipe of side pipe at right bending segment pipe be equipped with side steam inlet, one
Root auxiliary tube both ends docking be connected on the steam inlet of side and another steam (vapor) outlet of boiler on；And it is flowed out from auxiliary tube
Steam dirt removal device can be promoted to be moved counterclockwise in perimetrical lumen；Going out the right end of steam pipe is included in forked arrangement
Go out steam upper orifice and go out steam lower nozzle, the lower end docking of scale removing tube is connected to out the going out on steam upper orifice of steam pipe；
Steam lead is equipped with No.1 valve, and No. two valves are equipped on auxiliary tube, and No. three valves are equipped on steam upper orifice is gone out,
Go out steam lower nozzle equipped with No. four valves；It is connected in the steam port docking that goes out of No. four valves and can reduce granule content in steam
Particle reducing mechanism；Hush tube is connected in the upper port docking of scale removing tube.
2. a kind of 660MW supercritical pressure turbines debugging apparatus according to claim 1, which is characterized in that particle reduces machine
Structure includes high-voltaghe compartment, and stent is equipped in high-voltaghe compartment, is equipped with the flat rotation pipe of steam, one end of a connecting tube vertically on stent
Docking is connected to the going out on steam port of No. four valves, and the other end of the connecting tube rotates docking and is connected to the upper of the flat rotation pipe of steam
On nozzle；The vertical holes for being equipped on the vertical tube wall of rotation pipe and being connected with the tube chamber of the flat pipe of steam is equalled in steam, each perpendicular
Docking outwardly is fixedly connected with aperture inclined reaction force mouth from left to right from inside to outside on the aperture of straight hole.
3. a kind of 660MW supercritical pressure turbines debugging apparatus according to claim 2, which is characterized in that in reaction force
The vertical inner wall of high-voltaghe compartment below mouthful is equipped with the filter mantle in horn-like opening down arrangement, if being equipped on filter mantle
Dry filter hole, is equipped with main cage apertures on the filter mantle above filter hole, and circular cowling slot is equipped on the filter mantle below filter hole,
Annular riffler is equipped in the slot bottom of circular cowling slot, the upper width of rebate of annular riffler is wide less than the bottom surface of annular riffler
Degree；Particle reducing mechanism goes out in the upright side walls for the high-voltaghe compartment that steam port is arranged below filter mantle, and reduces machine in particle
The steam port that goes out of structure is equipped with out steam valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721569164.1U CN207455560U (en) | 2017-11-21 | 2017-11-21 | A kind of 660MW supercritical pressure turbines debugging apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721569164.1U CN207455560U (en) | 2017-11-21 | 2017-11-21 | A kind of 660MW supercritical pressure turbines debugging apparatus |
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| Publication Number | Publication Date |
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| CN207455560U true CN207455560U (en) | 2018-06-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109647015A (en) * | 2018-12-31 | 2019-04-19 | 中国能源建设集团华东电力试验研究院有限公司 | Coagulation-flocculation clarifier sludge floating elimination system and control method |
| CN109748420A (en) * | 2018-12-31 | 2019-05-14 | 中国能源建设集团华东电力试验研究院有限公司 | Coagulation-flocculation clarifier sludge floating processing system and control method |
-
2017
- 2017-11-21 CN CN201721569164.1U patent/CN207455560U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109647015A (en) * | 2018-12-31 | 2019-04-19 | 中国能源建设集团华东电力试验研究院有限公司 | Coagulation-flocculation clarifier sludge floating elimination system and control method |
| CN109748420A (en) * | 2018-12-31 | 2019-05-14 | 中国能源建设集团华东电力试验研究院有限公司 | Coagulation-flocculation clarifier sludge floating processing system and control method |
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