CN208671779U - A kind of 2X660MW supercritical unit pressure stabilizing target apparatus - Google Patents
A kind of 2X660MW supercritical unit pressure stabilizing target apparatus Download PDFInfo
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- CN208671779U CN208671779U CN201821089549.2U CN201821089549U CN208671779U CN 208671779 U CN208671779 U CN 208671779U CN 201821089549 U CN201821089549 U CN 201821089549U CN 208671779 U CN208671779 U CN 208671779U
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Abstract
The utility model discloses a kind of 2X660MW supercritical unit pressure stabilizing target apparatus, belong to supercritical unit pressure stabilizing washing pipe technical field.Easily the impurity in steam pipe is rinsed well, and convenient for cooling down in steam pipe overtemperature to steam pipe.Including tee tube, protection pipe and the steam pipe being rotatably arranged in protection pipe, the roller bearing placing groove that several sliver transvers sections are arc-shaped is axially arranged on the inner tubal wall both ends of protection pipe, several roller bearing placing grooves are uniformly arranged in the inner tubal wall peripheral wall surfaces of protection pipe；It is rolled in every roller bearing placing groove and is equipped with roller bearing, the outer tube wall rolling of steam pipe is connected on roller bearing；Dust collecting trough is axially arranged on the inner wall of steam pipe, is additionally provided with turbo blade on the inner wall of steam pipe；It is connected with ring flange respectively at the both ends of protection pipe, the both ends of steam pipe are closed respectively to be rotatably connected on the inner sidewall of ring flange；Left hole and right hole are respectively equipped at the lateral wall both ends of protection pipe.
Description
Technical field
The utility model relates to supercritical unit pressure stabilizing washing pipe technical fields, and in particular to a kind of overcritical machine of 2X660MW
Group pressure stabilizing target apparatus.
Background technique
Supercritical unit requires to carry out exclusion cleaning to the impurity in steam pipe before formally coming into operation.It is existing super to face
Unit pressure stabilizing washing pipe in boundary's is all to carry out washing pipe to steam pipe using air-flow, to allow the impurity in steam pipe to be discharged with air-flow.But
Since some impurity are small in size and weight weight, it is constantly in steam pipe on the inner bottom surface of steam pipe, and steam pipe inner bottom surface
On air-flow it is generally all smaller.When there is the deficiency of air on steam pipe inner bottom surface to drive the impurity on steam pipe inner bottom surface
The impurity that just will appear in steam pipe when being moved along should not be discharged.It is steamed in this way in supercritical unit when formal investment makes
Steam stream in steam pipe, which may push, to be moved along at steam turbine without discharged impurity previously and impinges upon steam turbine
On, it may cause steam turbine when serious and be damaged.Therefore designing a kind of can understand removing for the impurity in steam pipe well
Supercritical unit pressure stabilizing washing pipe is very necessary.
Utility model content
The utility model is to provide a kind of structure to solve existing supercritical unit pressure stabilizing washing pipe above shortcomings
Simply, easily the impurity in steam pipe is rinsed well, and convenient for cooling down in steam pipe overtemperature to steam pipe, be easy to steaming
Impurity in steam pipe is collected, a kind of 2X660MW supercritical unit pressure stabilizing target apparatus easy to use.
The above technical problem is solved through the following technical scheme:
A kind of 2X660MW supercritical unit pressure stabilizing target apparatus, including tee tube, protection pipe and be rotatably arranged in protection pipe
Steam pipe, be axially arranged on the inner tubal wall both ends of protection pipe several sliver transvers sections be arc-shaped roller bearing placing groove, it is several
Roller bearing placing groove is uniformly arranged in the inner tubal wall peripheral wall surfaces of protection pipe；It is rolled in every roller bearing placing groove and is equipped with roller bearing,
The outer tube wall rolling of steam pipe is connected on roller bearing；Dust collecting trough is axially arranged on the inner wall of steam pipe, in the inner wall of steam pipe
On be additionally provided with turbo blade；It is connected with ring flange respectively at the both ends of protection pipe, closed rotation is distinguished at the both ends of steam pipe
It is connected on the inner sidewall of ring flange；Left hole and right hole are respectively equipped at the lateral wall both ends of protection pipe；The No.1 pipe of tee tube
It is connected in the ring flange external port where steam pipe outlet side, target practice valve is equipped on No. two pipes of tee tube,
Valve of supplying gas is equipped on No. three pipes of tee tube；Target practice impurity collector is equipped with immediately ahead of the nozzle of No. two pipes.
If the fluid in steam pipe pore is to flow from left to right.The fluid flowed from left to right in steam pipe will be through whirlpool
Impeller blade drives steam pipe rotation.And the impurity on steam pipe inner bottom surface is brought into steam pipe by the induced effect of dust collecting trough
Interior upper end, since the impurity in steam pipe in the dust collecting trough of upper end under gravity can be toward falling, just toward the impurity to fall
It enters in the pore of steam pipe, then impurity is discharged out of steam pipe under the induced effect of fluid.To ensure that steam
Free from admixture in managing.
When removing the impurity in steam pipe, the valve of supplying gas on No. three pipes is closed, opens the target practice valve on No. two pipes.
It is collected after the nozzle injection of No. two pipes by target practice impurity collector under fluid driven of the impurity in steam pipe.
A kind of a kind of cool-down method suitable for 2X660MW supercritical unit pressure stabilizing target apparatus, allows the lower cooling of temperature
Liquid enters in the clearance space between protection pipe and steam pipe from left hole, and the cooling liquid after then allowing temperature to increase is from protection
Manage and flowed out the clearance space between steam pipe through right hole, and allow in steam pipe rolling process cooling liquid to steam pipe into
Row cooling, to realize the cooling operation to steam pipe.
This programme structure is simple, easily rinses the impurity in steam pipe well, and is convenient in steam pipe overtemperature to steam
Pipe cools down, and using the impurity in target practice impurity collector energy recovered steam pipe, is easy to carry out the impurity in steam pipe
It collects, it is easy to use.
Preferably, the internal diameter of steam tube wall is equal to the internal diameter of ring flange.This structure is easy to allow the impurity in steam pipe
It is discharged out of steam pipe, good reliability.
Preferably, drive magnet has several, and this several drive magnet is uniformly arranged at vertical holes face
Protection pipe outer wall on.
When to allow just allowed by drive magnet when vertical half-via moves from inside to outside drive magnet the pole N with by drive magnet
The pole N face arrangement.Just allowed when to allow and be moved inwards in vertical half-via by drive magnet drive magnet magnetic pole the pole N
It is arranged with by the pole the S face of drive magnet.
The utility model can reach following effect:
The utility model structure is simple, easily rinses the impurity in steam pipe well, and convenient in steam pipe overtemperature pair
Steam pipe cools down, and using the impurity in target practice impurity collector energy recovered steam pipe, is easy to the impurity in steam pipe
It is collected, easy to use, high reliablity.
Detailed description of the invention
Fig. 1 is a kind of Integral connection structure schematic diagram of the utility model embodiment.
Fig. 2 is a kind of attachment structure schematic diagram after the utility model embodiment turbo blade also has already turned on.
Fig. 3 is a kind of section attachment structure schematic diagram of the utility model embodiment steam pipe.
Fig. 4 is a kind of section attachment structure schematic diagram of the utility model embodiment protection pipe.
Fig. 5 is a kind of section connection in roller bearing placing groove of the utility model embodiment roller bearing on unit protection pipe
Structural schematic diagram.
Fig. 6 is a kind of section attachment structure schematic diagram of the utility model embodiment steam pipe in protection pipe.
Fig. 7 is a kind of section attachment structure schematic diagram when slide plate is not arranged in the utility model embodiment dust collecting trough also.
Fig. 8 is a kind of section attachment structure schematic diagram when being set slide plate in the utility model embodiment dust collecting trough.
Fig. 9 is a kind of attachment structure schematic diagram when the utility model embodiment turbo blade is also not switched on.
Specific embodiment
The utility model is further described with embodiment with reference to the accompanying drawing.
Embodiment, 2X660MW supercritical unit pressure stabilizing washing pipe, referring to shown in Fig. 1-Fig. 9, including tee tube 21, protection pipe
12 and the steam pipe 16 that is rotatably arranged in protection pipe, several sections are axially arranged on the inner tubal wall both ends of protection pipe for circle
The roller bearing placing groove 17 of arcuation, several roller bearing placing grooves are uniformly arranged in the inner tubal wall peripheral wall surfaces of protection pipe；It is rolled at every
It is rolled in axis placing groove and is equipped with roller bearing 1, the outer tube wall rolling of steam pipe is connected on roller bearing；It is axially set on the inner wall of steam pipe
There is dust collecting trough 9, turbo blade 7 is additionally provided on the inner wall of steam pipe；It is connected with ring flange respectively at the both ends of protection pipe
13, the both ends of steam pipe are closed respectively to be rotatably connected on the inner sidewall of ring flange；It is set respectively at the lateral wall both ends of protection pipe
There are left hole 18 and right hole 10.
2X660MW supercritical unit pressure stabilizing washing pipe further includes drive magnet 15 and by drive magnet 4；In the inner wall of steam pipe
On be also axially arranged with hiding slot 6, hide slot right end be equipped with shaft 8, be equipped in the groove bottom of the hiding slot of shaft left
Vertical half-via 2, is slidably arranged in vertical half-via, the both ends of a No.1 spring 3 are respectively fixedly connected with by drive magnet
On by the hole inner bottom wall of the lower end of drive magnet and vertical half-via；One end of turbo blade is rotatably connected in shaft, and one
The both ends of No. two springs 5 of root are respectively fixedly connected on the upper end and turbo blade by drive magnet；Drive magnet setting is being protected
On pillar, it can be driven by drive magnet by drive magnet and be moved up and down in vertical half-via.
One end of No. two springs is stationarily connected on the turbo blade of shaft left.
Dust collecting trough includes several segments, and adjacent two sections of dust collecting troughs are not on same line.
Turbo blade shares even number, and even number turbo blade is uniformly arranged along the pipe peripheral wall of steam pipe in steam pipe
On inner wall, to make to face the line and steam between two turbine leaf central points of arrangement in even number turbo blade two-by-two
The tube core line of pipe intersects vertically.
It is respectively equipped with annular groove on the both ends end face of steam pipe, sealing copper band 14 is equipped in annular groove, seals copper band
Outer surface sealing sliding be press-connected on ring flange.
The internal diameter of steam tube wall is equal to the internal diameter of ring flange.This structure is easy to allow the impurity in steam pipe out of steam pipe
Discharge, good reliability.
It is equipped with slide plate 20 in dust collecting trough, is equipped between slide plate and the groove bottom of dust collecting trough and pushes away dirt spring 19, push away dirt bullet
The both ends of spring be respectively fixedly connected on slide plate and the groove bottom of dust collecting trough on.
Drive magnet has several, and this several drive magnet is uniformly arranged the protection pipe at vertical holes face
On outer wall.
Several flights 11 parallel to each other are equipped on the inner wall of protection pipe between left hole and right hole, thus in phase
Drainage trough is formed between adjacent two flights.
Drainage trough can well contact cooling liquid or heat insulation liquid with the outer wall of steam pipe, realize on steam pipe
Heat exchange, to realize the cooling effect of steam pipe.
The No.1 pipe 22 of tee tube is connected in the ring flange external port where steam pipe outlet side, in tee tube
No. two pipes 24 be equipped with target practice valve 26, be equipped with and supply gas valve 25 on No. three pipes 23 of tee tube；In the nozzle of No. two pipes
Front is equipped with target practice impurity collector.
Target practice impurity collector 28 includes that several deceleration circles 29 for being arranged in parallel from left to right, upper end are rotatably connected on and subtract
The deceleration item 27 of speed circle upper end and the collecting box 30 being arranged in below the circle that slows down；The nozzle level of No. two pipes is slowed down towards right setting
Circle is arranged in immediately ahead of the nozzle of No. two pipes.
The tube core line of No. two pipes and the tube core line of No.1 pipe are fallen on same straight line.
In the two neighboring deceleration item to slow down on circle, the weight of the close deceleration item of from No. two pipe nozzles is less than manages from No. two
The weight of the remote deceleration item of nozzle.
This structure design of target practice impurity collector convenient for being collected to the impurity in steam pipe, and to impurity into
During row is collected, impurity will not be penetrated farther out, and impurity is also not easy rebound and hurts tee tube or outer tube back, safety compared with
It is high.
When removing the impurity in steam pipe, the valve of supplying gas on No. three pipes is closed, opens the target practice valve on No. two pipes.
It is collected after the nozzle injection of No. two pipes by target practice impurity collector under fluid driven of the impurity in steam pipe.
If drive magnet driving after vertical half-via moves from inside to outside, corresponds to the other end of turbo blade by drive magnet
In the pore for being just pushed into steam pipe under the squeezing action of No. two springs, the fluid that is at this moment flowed from left to right in steam pipe
Steam pipe rotation will be driven through turbo blade.When not needing to carry out impurity discharge to steam pipe, drive magnet is allowed to drive quilt
After drive magnet moves inwards in vertical half-via, the other end of corresponding turbo blade under the pulling force effect of No. two springs just
It is pulled into hiding slot, at this moment turbo blade would not hinder the flowing velocity of steam tube fluid, high reliablity.
The different line of multistage dust collecting trough is arranged, so that adjacent two sections of dust collecting troughs will not be rolled over the highest of steam pipe simultaneously
Place, so that the time that the impurity in two neighboring dust collecting trough falls out of dust collecting trough can be staggered, so that two neighboring dust
Not by the fluid driven on same streamline, impurity should not stir together impurity in slot in a fluid, improve impurity from steaming
Discharged reliability in steam pipe.
When to allow just allowed by drive magnet when vertical half-via moves from inside to outside drive magnet the pole N with by drive magnet
The pole N face arrangement.Just allowed when to allow and be moved inwards in vertical half-via by drive magnet drive magnet magnetic pole the pole N
It is arranged with by the pole the S face of drive magnet.
Fluid in steam pipe pore is to flow from left to right.The fluid flowed from left to right in steam pipe will be through turbine
Blade drives steam pipe rotation.And the impurity on steam pipe inner bottom surface is brought into steam pipe by the induced effect of dust collecting trough
Upper end, due to the impurity in steam pipe in the dust collecting trough of upper end under gravity can toward fall, toward fall impurity just into
Enter into the pore of steam pipe, then impurity is discharged out of steam pipe under the induced effect of fluid.To ensure that steam pipe
Interior free from admixture.
A kind of cool-down method of 2X660MW supercritical unit pressure stabilizing target apparatus allows the lower cooling liquid of temperature from left hole
Into in the drainage trough of the clearance space between protection pipe and steam pipe, the cooling liquid after then allowing temperature to increase is from protection pipe
It is flowed out in the drainage trough of clearance space between steam pipe through right hole, and allows cooling liquid to steaming in steam pipe rolling process
Steam pipe cools down, and drainage trough can well contact cooling liquid or heat insulation liquid with the outer wall of steam pipe, realizes steam
Heat exchange on pipe to realize the cooling effect of steam pipe, and then realizes the cooling operation to steam pipe.
The present embodiment structure is simple, easily rinses the impurity in steam pipe well, and is convenient in steam pipe overtemperature to steaming
Steam pipe cools down, using target practice impurity collector can impurity in recovered steam pipe, be easy to the impurity in steam pipe into
Row is collected, easy to use.
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 2X660MW supercritical unit pressure stabilizing target apparatus, which is characterized in that including tee tube, protection pipe and rotation setting
Steam pipe in protection pipe is axially arranged with the roller bearing that several sliver transvers sections are arc-shaped on the inner tubal wall both ends of protection pipe and puts
Slot is set, several roller bearing placing grooves are uniformly arranged in the inner tubal wall peripheral wall surfaces of protection pipe；It is rolled in every roller bearing placing groove
Equipped with roller bearing, the outer tube wall rolling of steam pipe is connected on roller bearing；Dust collecting trough is axially arranged on the inner wall of steam pipe, in steam
Turbo blade is additionally provided on the inner wall of pipe；It is connected with ring flange, the both ends difference of steam pipe respectively at the both ends of protection pipe
It is closed to be rotatably connected on the inner sidewall of ring flange；Left hole and right hole are respectively equipped at the lateral wall both ends of protection pipe；Tee tube
No.1 pipe be connected in the ring flange external port where steam pipe outlet side, on No. two pipes of tee tube be equipped with beat
Target valve is equipped with valve of supplying gas on No. three pipes of tee tube；Target practice impurity collector is equipped with immediately ahead of the nozzle of No. two pipes.
2. a kind of 2X660MW supercritical unit pressure stabilizing target apparatus according to claim 1, which is characterized in that steam tube wall
Internal diameter be equal to ring flange internal diameter.
3. a kind of 2X660MW supercritical unit pressure stabilizing target apparatus according to claim 1, which is characterized in that drive magnet
There are several, and this several drive magnet is uniformly arranged on the outer wall of the protection pipe at vertical holes face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089549.2U CN208671779U (en) | 2018-07-10 | 2018-07-10 | A kind of 2X660MW supercritical unit pressure stabilizing target apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089549.2U CN208671779U (en) | 2018-07-10 | 2018-07-10 | A kind of 2X660MW supercritical unit pressure stabilizing target apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208671779U true CN208671779U (en) | 2019-03-29 |
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ID=65826309
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821089549.2U Active CN208671779U (en) | 2018-07-10 | 2018-07-10 | A kind of 2X660MW supercritical unit pressure stabilizing target apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059608A (en) * | 2018-07-10 | 2018-12-21 | 中国能源建设集团华东电力试验研究院有限公司 | 2X660MW supercritical unit pressure stabilizing target apparatus and its cool-down method |
-
2018
- 2018-07-10 CN CN201821089549.2U patent/CN208671779U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059608A (en) * | 2018-07-10 | 2018-12-21 | 中国能源建设集团华东电力试验研究院有限公司 | 2X660MW supercritical unit pressure stabilizing target apparatus and its cool-down method |
| CN109059608B (en) * | 2018-07-10 | 2023-07-04 | 中国能源建设集团华东电力试验研究院有限公司 | 2X660MW supercritical unit voltage-stabilizing target device and cooling method thereof |
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