CN208330474U - A kind of steam turbine discharging device - Google Patents
A kind of steam turbine discharging device Download PDFInfo
- Publication number
- CN208330474U CN208330474U CN201821001743.0U CN201821001743U CN208330474U CN 208330474 U CN208330474 U CN 208330474U CN 201821001743 U CN201821001743 U CN 201821001743U CN 208330474 U CN208330474 U CN 208330474U
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- CN
- China
- Prior art keywords
- steam turbine
- valve
- valve rod
- discharging device
- spool
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Abstract
The utility model discloses a kind of steam turbine discharging devices, including valve seat, valve rod and spool, the spool is located at the front end of valve rod, and spool is fixedly mounted in valve seat, the front end of the valve rod is fixedly connected with spring, and the front end two sides of valve rod are equipped with damping hole, the inner upper end of described device is equipped with gas source and controls pipeline, and the interior lower end of device is equipped with nitrogen pipeline.A kind of steam turbine discharging device described in the utility model, without frequently switching, existing various hidden danger are eliminated, equipment working condition use is met, failure occurs caused by having prevented because of air source quality, equipment working condition is met using the big hidden danger for restricting steam turbine safe operation for a long time is eliminated, ensure that the normal operation of production, and, gas source impurity can effectively be filtered, damping hole, channel blockage are prevented, avoids valve from controlling failure, brings better prospect of the application.
Description
Technical field
The utility model relates to steam turbine field, in particular to a kind of steam turbine discharging device.
Background technique
Steam turbine is also referred to as steam turbine engine, is a kind of rotary steam power device, and high temperature and high pressure steam passes through solid
Nozzle is determined as being ejected on blade after the air-flow accelerated, makes the rotor rotation equipped with blade row, while external work done.Steam turbine
It is the capital equipment of modern thermal power plant, is also used for metallurgical industry, chemical industry, in ship's powerplant, modern steel factory
Also steam turbine is largely used；There are certain drawbacks in existing steam turbine, steam turbine vent valve control gas source impurity is more when in use, be easy to draw
Control system damping hole, channel blockage are played, valve is caused to control failure, does not have safeguard protection effect；Simultaneously because of air pressure
Fluctuation is big, accident is be easy to cause, for this purpose, it is proposed that a kind of steam turbine discharging device.
Utility model content
The main purpose of the utility model is to provide a kind of steam turbine discharging devices, can effectively solve in background technique
Problem.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of steam turbine discharging device, including valve seat, valve rod and spool, the spool is located at the front end of valve rod, and spool is solid
In valve seat, the front end of the valve rod is fixedly connected with spring, and the front end two sides of valve rod are equipped with damping hole, described for Dingan County
The inner upper end of device is equipped with gas source and controls pipeline, and the interior lower end of device is equipped with nitrogen pipeline.
Preferably, the nitrogen pipeline be coal powder injection it is dedicated, and inside nitrogen pipeline to be connected to special valve control gas source pipe
Line.
Preferably, the special valve control source gas line uses φ 25*250 meters.
Preferably, the coal powder injection nitrogen everyday stress > 0.6MPa in the nitrogen pipeline.
Preferably, one end of the nitrogen pipeline and gas source control pipeline is fixedly installed with oil screen.
Preferably, the oil screen includes HEPA filter screen 0 and frame, and the HEPA filter screen is inserted in frame from top to bottom
Sliding rail in.
Preferably, the surface of the valve seat, valve rod and spool is coated with lubricant grease.
Compared with prior art, the utility model has the following beneficial effects: a kind of steam turbine discharging device, (1) are original
The gas source control pipeline of the pneumatic vent valve of steam turbine is used for the blowback of inlet air plenum filter cylinder, then sets up one barrel of special valve again and control gas
Source capsule line is docked on coal powder injection special nitrogen pipeline using 25*250 meters of φ, controls steam turbine simultaneously as dedicated gas source with nitrogen
Coal powder injection nitrogen everyday stress > 0.6MPa, ensure that pressure demand, without frequently switching, eliminate existing various hidden danger, completely
Foot equipment working condition use, failure occurs caused by having prevented because of air source quality, meet equipment working condition use eliminate for a long time with
Come restrict steam turbine safe operation a big hidden danger, ensure that the normal operation of production；
(2) by the oil screen of setting, gas source impurity can be effectively filtered, damping hole, channel blockage is prevented, avoids valve
Door control failure.
Entire steam turbine discharging device structure is simple, and easy to operate, using effect is more preferable relative to traditional approach.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of steam turbine discharging device of the utility model.
Fig. 2 is a kind of oil screen explosion views of steam turbine discharging device of the utility model.
Fig. 3 is a kind of frame explosion views of steam turbine discharging device of the utility model.
In figure: 1, valve seat；2, valve rod；3, spool；4, spring；5, gas source controls pipeline；6, nitrogen pipeline；7, damping hole；
8, special valve controls source gas line；9, oil screen；10, HEPA filter screen；11, frame；12, sliding rail.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Embodiment 1
As shown in Figure 1-3, a kind of steam turbine discharging device, including valve seat 1, valve rod 2 and spool 3, the spool 3 are located at valve rod
2 front end, and spool 3 is fixedly mounted in valve seat 1, the front end of the valve rod 2 is fixedly connected with spring 4, and the front end of valve rod 2
Two sides are equipped with damping hole 7, and the inner upper end of described device is equipped with gas source and controls pipeline 5, and the interior lower end of device is equipped with nitrogen
Feed channel 6；Nitrogen pipeline 6 be coal powder injection it is dedicated, and inside nitrogen pipeline 6 to be connected to special valve control source gas line 8；Special service valve
Door control source gas line 8 uses φ 25*250 meters；Coal powder injection nitrogen everyday stress > 0.6MP in nitrogen pipeline 6, originally steam turbine gas
The gas source control pipeline 5 of dynamic vent valve is used for the blowback of inlet air plenum filter cylinder, then sets up one barrel of special valve again and control gas source pipe
Line 8 is docked on coal powder injection special nitrogen pipeline 6 using 25*250 meters of φ, is sprayed simultaneously with nitrogen as dedicated gas source control steam turbine
Coal nitrogen everyday stress > 0.6MPa, ensure that pressure demand, without frequently switching, eliminates existing various hidden danger, meets
Equipment working condition use, failure occurs caused by having prevented because of air source quality, meet equipment working condition use and eliminate for a long time
The big hidden danger for restricting steam turbine safe operation, ensure that the normal operation of production.
Embodiment 2
As shown in Figure 1-3, a kind of steam turbine discharging device, nitrogen pipeline 6 and one end of gas source control pipeline 5 are fixedly mounted
There is oil screen 9, by the oil screen 9 of setting, can effectively filter gas source impurity, prevent damping hole 7, channel blockage, avoid
Valve controls failure；Oil screen 9 includes HEPA filter screen 10 and frame 11, and the HEPA filter screen 10 is inserted in frame from top to bottom
In 11 sliding rail 12, replacement HEPA filter screen 10 is facilitated, HEPA filter screen 10 is interwoven by very tiny organic fiber,
Stronger to the capturing ability of particle, aperture is small, and adsorption capacity is big, and purification efficiency is high, and has water imbibition, for 0.3 micron
Particle purifying rate be 99.97%, can effectively filter out impurity；The surface of valve seat 1, valve rod 2 and spool 3 is coated with profit
Lubricating oil rouge.
It should be noted that the utility model is a kind of steam turbine discharging device, the inner upper end of device is controlled equipped with gas source
Pipeline 5, and the interior lower end of device is equipped with nitrogen pipeline 6；Nitrogen pipeline 6 is that coal powder injection is dedicated, and to being connected to inside nitrogen pipeline 6
Special valve controls source gas line 8；Coal powder injection nitrogen everyday stress > 0.6MP in nitrogen pipeline 6, the originally pneumatic vent valve of steam turbine
Gas source controls pipeline 5 and is used for the blowback of inlet air plenum filter cylinder, then sets up one barrel of special valve again and control source gas line 8, uses
It 25*250 meters of φ, is docked on coal powder injection special nitrogen pipeline 6, with nitrogen as dedicated gas source control steam turbine while coal powder injection nitrogen day
Normal pressure power > 0.6MPa, ensure that pressure demand, without frequently switching, eliminates existing various hidden danger, meets equipment work
Condition uses, and failure occurs caused by having prevented because of air source quality, meets equipment working condition use and eliminates and restricts steam turbine for a long time
One big hidden danger of safe operation, ensure that the normal operation of production, and one end that nitrogen pipeline 6 and gas source control pipeline 5 is fixed
Oil screen 9 is installed, by the oil screen 9 of setting, gas source impurity can be effectively filtered, prevent damping hole 7, channel blockage,
Valve is avoided to control failure；HEPA filter screen 10 is interwoven by very tiny organic fiber, to the capturing ability of particle compared with
By force, aperture is small, and adsorption capacity is big, and purification efficiency is high, and has water imbibition, and the particle purifying rate for 0.3 micron is
99.97%, impurity can be effectively filtered out, it is more practical.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of steam turbine discharging device, including valve seat (1), valve rod (2) and spool (3), the spool (3) are located at valve rod (2)
Front end, and spool (3) is fixedly mounted in valve seat (1), it is characterised in that: the front end of the valve rod (2) is fixedly connected with spring
(4), and the front end two sides of valve rod (2) are equipped with damping hole (7), and the inner upper end of described device is equipped with gas source control pipeline (5),
And the interior lower end of device is equipped with nitrogen pipeline (6).
2. a kind of steam turbine discharging device according to claim 1, it is characterised in that: the nitrogen pipeline (6) is that coal powder injection is special
With, and nitrogen pipeline (6) inside controls source gas line (8) to special valve is connected to.
3. a kind of steam turbine discharging device according to claim 2, it is characterised in that: the special valve controls source gas line
(8) φ 25*250 meters is used.
4. a kind of steam turbine discharging device according to claim 2, it is characterised in that: the coal powder injection in the nitrogen pipeline (6)
Nitrogen everyday stress > 0.6MPa.
5. a kind of steam turbine discharging device according to claim 1, it is characterised in that: the nitrogen pipeline (6) and gas source control
One end of tubing giving sufficient strength (5) is fixedly installed with oil screen (9).
6. a kind of steam turbine discharging device according to claim 5, it is characterised in that: the oil screen (9) includes HEPA mistake
Strainer (10) and frame (11), the HEPA filter screen (10) are inserted in from top to bottom in the sliding rail (12) of frame (11).
7. a kind of steam turbine discharging device according to claim 5, it is characterised in that: the valve seat (1), valve rod (2) and valve
The surface of core (3) is coated with lubricant grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001743.0U CN208330474U (en) | 2018-06-27 | 2018-06-27 | A kind of steam turbine discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001743.0U CN208330474U (en) | 2018-06-27 | 2018-06-27 | A kind of steam turbine discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330474U true CN208330474U (en) | 2019-01-04 |
Family
ID=64785236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821001743.0U Expired - Fee Related CN208330474U (en) | 2018-06-27 | 2018-06-27 | A kind of steam turbine discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208330474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267918A (en) * | 2020-10-23 | 2021-01-26 | 安徽康迪纳电力科技有限责任公司 | Special air release device for steam turbine |
-
2018
- 2018-06-27 CN CN201821001743.0U patent/CN208330474U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267918A (en) * | 2020-10-23 | 2021-01-26 | 安徽康迪纳电力科技有限责任公司 | Special air release device for steam turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20200627 |