CN208651802U - E type valve for fired power generating unit dedusting of negative pressure system - Google Patents
E type valve for fired power generating unit dedusting of negative pressure system Download PDFInfo
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- CN208651802U CN208651802U CN201821261857.9U CN201821261857U CN208651802U CN 208651802 U CN208651802 U CN 208651802U CN 201821261857 U CN201821261857 U CN 201821261857U CN 208651802 U CN208651802 U CN 208651802U
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- negative pressure
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Abstract
The utility model relates to fired power generating unit dedusting of negative pressure fields, it is particularly used for the E type valve of fired power generating unit dedusting of negative pressure system, including at least valve body, the valve body further includes door-plate, track, differential and outlet are shorted, the valve body further includes upper valve body and lower valve body, it further include the first wear-resistant ceramic, second wear-resistant ceramic, third wear-resistant ceramic, a pair of 4th wear-resistant ceramic, 5th wear-resistant ceramic and the 6th wear-resistant ceramic and threaded rod, first wear-resistant ceramic is fixed on upper valve body inner wall, second wear-resistant ceramic is fixed on lower valve body inner wall, the third wear-resistant ceramic is fixed on track interior walls face.The utility model reduces economic loss by, by fitting monolith wear-resistant ceramic, can increasing wear strength in E type valve in valve inner, increase service life, and can replace to wear-resistant ceramic, the effective guarantee normal operation of dedusting of negative pressure system.
Description
Technical field
The utility model relates to fired power generating unit dedusting of negative pressure fields, and in particular to for fired power generating unit dedusting of negative pressure system
E type valve.
Background technique
E type valve is one of the key equipment of negative pressure ash disposal system, and effect is by the aeration valve and ash quantity tune on E type valve
The work of regulating device mixes ash and air in ash bucket uniformly, forms good mobility, it is made to can smoothly enter into delivery pipe
Road, to ensure that ash disposal system is efficient, unobstructed operation.But its operating condition is severe, and grey temperature is at 100 degree or more, and to valve body
It is washed away with component, easily causes the damage of valve body and component, seriously affect the normal operation of dedusting of negative pressure system, so needing
A kind of wear-resisting E type valve.
Summary of the invention
The utility model overcomes the deficiency of the not wear-resisting problem of the prior art, provides a kind of wear-resisting E type valve, especially
It is the E type valve for fired power generating unit dedusting of negative pressure system.
The technical issues of the utility model is solved can be realized using following technical scheme:
For the E type valve of fired power generating unit dedusting of negative pressure system, include at least valve body, the valve body further include door-plate, track,
Differential and outlet are shorted, and the valve body further includes upper valve body and lower valve body, further include the first wear-resistant ceramic, the second wear-resistant ceramic,
Third wear-resistant ceramic, a pair of 4th wear-resistant ceramic, the 5th wear-resistant ceramic and the 6th wear-resistant ceramic and threaded rod, described first is resistance to
Mill ceramics are fixed on upper valve body inner wall, and second wear-resistant ceramic is fixed on lower valve body inner wall, the third wear-resistant ceramic
It is fixed on track interior walls face, the door-plate two sides are located at third wear-resistant ceramic inner wall, and the door-plate upper wall surface and lower wall surface are opened
There is rectangular recess, a pair of 4th wear-resistant ceramic is separately fixed in the rectangular recess of door-plate upper wall surface and lower wall surface, described
5th wear-resistant ceramic is fixed on differential inner wall, and the 6th wear-resistant ceramic is fixed on outlet and is shorted inner wall, the upper valve body
End to end convex stupefied and groove is had with lower valve body facing surface, fixed seal ring in the groove is described convex stupefied
It is bonded with sealing ring, the outer of the upper valve body and lower valve body respectively corresponds fixedly connected part, and the connector passes through threaded rod
It is fixed.
It is first wear-resistant ceramic, the second wear-resistant ceramic, third wear-resistant ceramic, a pair of 4th wear-resistant ceramic, the 5th wear-resisting
Ceramics and the 6th wear-resistant ceramic use BD series wear-resistant ceramic glue respectively and in upper valve body, lower valve body, track, door-plate and differential
Wall surface, which is pasted, to be fixed.
The convex stupefied cross section is raised right-angled trapezium, and the groove is recess right-angled trapezium, the sealing ring and groove
Binding face is bottom surface and the slope surface of groove, and the convex stupefied height of projection is less than 0.1 millimeter of groove.
The sealing ring is with a thickness of 0.25 millimeter.
The inner wall of first wear-resistant ceramic and the second wear-resistant ceramic binding face is provided with baffle, second wear-resistant ceramic
Top is between baffle and lower valve body.
It is first wear-resistant ceramic, the second wear-resistant ceramic, third wear-resistant ceramic, a pair of 4th wear-resistant ceramic, the 5th wear-resisting
Ceramics and the 6th wear-resistant ceramic use Rockwell hardness for the wear-resistant ceramic of HRA80-90.
The beneficial effects of the utility model are: can be increased in E type valve in valve inner by fitting monolith wear-resistant ceramic
Wear strength increases service life, and can replace to wear-resistant ceramic, reduce economic loss, and effective guarantee is negative
Press the normal operation of ash disposal system.
Compared with prior art, the utility model passes through.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the main view of the utility model.
Fig. 3 is the top view of the utility model.
Fig. 4 is the left view sectional view of the utility model.
In figure: 1- door-plate；2- track；3- differential；The outlet 4- is shorted；5- upper valve body；6- lower valve body；The wear-resisting pottery of 7- first
Porcelain；The second wear-resistant ceramic of 8-；9- third wear-resistant ceramic；The 4th wear-resistant ceramic of 10-；The 5th wear-resistant ceramic of 11-；12- the 6th is wear-resisting
Ceramics；13- threaded rod；14- is convex stupefied；15- sealing ring；16- connector；17- baffle.
Specific embodiment
Embodiment 1:
It referring to Fig.1~4, is the structural schematic diagram of the utility model embodiment 1, for fired power generating unit dedusting of negative pressure system
E type valve, includes at least valve body, and the valve body further includes that door-plate 1, track 2, differential 3 and outlet are shorted 4, it is characterised in that: described
Valve body further includes upper valve body 5 and lower valve body 6, further includes the first wear-resistant ceramic 7, the second wear-resistant ceramic 8, third wear-resistant ceramic 9, one
To the 4th wear-resistant ceramic 10, the 5th wear-resistant ceramic 11 and the 6th wear-resistant ceramic 12 and threaded rod 13, first wear-resistant ceramic 7
It is fixed on 5 inner wall of upper valve body, second wear-resistant ceramic 8 is fixed on 6 inner wall of lower valve body, and the third wear-resistant ceramic 9 is solid
It is scheduled on 2 inner wall of track, 1 two sides of door-plate are located at 9 inner wall of third wear-resistant ceramic, 1 upper wall surface of door-plate and lower wall surface
It is provided with rectangular recess, a pair of 4th wear-resistant ceramic 10 is separately fixed in the rectangular recess of 1 upper wall surface of door-plate and lower wall surface,
5th wear-resistant ceramic 11 is fixed on 3 inner wall of differential, and the 6th wear-resistant ceramic 12 is fixed on outlet and is shorted 4 inner walls,
The upper valve body 5 and 6 facing surface of lower valve body have end to end convex stupefied 14 and groove, fix in the groove close
Seal 15, described convex stupefied 14 are bonded with sealing ring 15, and the outer of the upper valve body 5 and lower valve body 6 respectively corresponds fixedly connected part
16, the connector 16 is fixed by threaded rod 13.
In actual use: first separating the upper valve body of valve body 5 and lower valve body 6, then by the of identical inner wall shape
One wear-resistant ceramic 7 and the second wear-resistant ceramic 8 are fitted between upper valve body and lower valve body 6, while third wear-resistant ceramic 9 is attached to rail
Then 4th wear-resistant ceramic 10 is attached to 1 upper wall surface of door-plate by the inner wall in road 2, door-plate 1 is placed between track 2, then by gas
Cylinder is connect with door-plate 1, while upper valve body 5 and the alignment of lower valve body 6 being closed, and convex stupefied 14 are bonded with sealing ring 15, is then passed through
Threaded rod 13 rushes across connector 16, carries out upper valve body 5 and lower valve body 6 is locked, then by the 5th wear-resistant ceramic 11 and the 6th
Wear-resistant ceramic 12 is fitted in differential 3 and outlet is shorted 4 inner walls, and differential 3 and outlet are then shorted 4 and are assembled on upper valve body 5
Wall surface passes through the first wear-resistant ceramic 7, the second wear-resistant ceramic 8, third wear-resistant ceramic 9, a pair of 4th wear-resistant ceramic when in use
10, washing away when the 5th wear-resistant ceramic 11 and the 6th wear-resistant ceramic 12 can reduce the flowing of gas ash, can be increased by sealing ring 15
In addition the airtightness of valve body 5 and lower valve body 6.
Embodiment 2:
Referring to Fig.1~4, the present embodiment the difference is that: first wear-resistant ceramic 7, the second wear-resistant ceramic 8,
Three wear-resistant ceramics 9, a pair of 4th wear-resistant ceramic 10, the 5th wear-resistant ceramic 11 and the 6th wear-resistant ceramic 12 are using the wear-resisting pottery of BD series
Porcelain cement is pasted with the inner wall of upper valve body 5, lower valve body 6, track 2, door-plate 1 and differential 3 respectively to be fixed；Convex stupefied 14 cross section
For raised right-angled trapezium, the groove is recess right-angled trapezium, the sealing ring 15 and the bottom surface that groove binding face is groove and
Slope surface, convex stupefied 14 height of projection are less than 0.1 millimeter of groove；The sealing ring 15 is with a thickness of 0.25 millimeter.
In actual use: convex stupefied 14 and groove be ladder structure of right angle, place sealing ring in groove floor and slope surface, compare
Good insertion, and leakproofness is greater than traditional single facer effect, gap occurs.
It is less than sealing ring thickness by convex stupefied 14 protrusion, reserves the type variable space of sealing ring 15, prevent from squeezing formation not
Smooth problem, to influence airtightness.
BD series wear-resistant ceramic glue, bonding is secured, heat resistance is good, and wear-resistant ceramic glue temperature tolerance, the resistance to ag(e)ing etc. refer to
Mark is caught up with and has been more than some Imported wear-resistant ceramic stick adhesive, if BD400 high-temp glue maximum is resistant to 450 DEG C of high temperature,
BD1200 high-temp glue is suitable for cementation under 1200 DEG C of operating conditions.
Embodiment 3:
Referring to Fig.1~4, the present embodiment the difference is that: first wear-resistant ceramic 7 and the second wear-resistant ceramic 8 paste
The inner wall in conjunction face is provided with baffle 17, and 8 top of the second wear-resistant ceramic is between baffle 17 and lower valve body 6；Described first
Wear-resistant ceramic 7, the second wear-resistant ceramic 8, third wear-resistant ceramic 9, a pair of 4th wear-resistant ceramic 10, the 5th wear-resistant ceramic 11 and the 6th
Wear-resistant ceramic 12 uses Rockwell hardness for the wear-resistant ceramic of HRA80-90.
In actual use: the gap between first wear-resistant ceramic 7 and the second wear-resistant ceramic 8 can be kept off by baffle 17
Firmly, keep out and excessive gap occur and directly washed away by gas ash, pass through when in use ash can it is wear-resisting to baffle 17 and second between
A small amount of gaps fill up.
Rockwell hardness is the wear-resistant ceramic of HRA80-90, and hardness is only second to diamond, considerably beyond abrasion-resistant stee and stainless steel
Wearability.
Its wearability is equivalent to 306 times of manganese steel, and 171.5 times of rich chromium cast iron.Under same operating condition, it can at least extend and set
Standby ten times of service life or more.
Its density is 3.6-3.9g/cm3, the only half of steel, can mitigate machine utilization significantly.
The embodiments of the present invention is described in detail above in conjunction with attached drawing, but the utility model is not limited to
Above embodiment can also not depart from the utility model within the knowledge of a person skilled in the art
Various changes can be made under the premise of objective, all in the protection scope of the technology.
Claims (6)
1. being used for the E type valve of fired power generating unit dedusting of negative pressure system, valve body is included at least, the valve body further includes door-plate (1), track
(2), differential (3) and outlet are shorted (4), it is characterised in that: the valve body further includes upper valve body (5) and lower valve body (6), further includes
It is first wear-resistant ceramic (7), the second wear-resistant ceramic (8), third wear-resistant ceramic (9), a pair of 4th wear-resistant ceramic (10), the 5th wear-resisting
Ceramic (11) and the 6th wear-resistant ceramic (12) and threaded rod (13), first wear-resistant ceramic (7) are fixed in upper valve body (5)
Wall surface, second wear-resistant ceramic (8) are fixed on lower valve body (6) inner wall, and the third wear-resistant ceramic (9) is fixed on track
(2) inner wall, door-plate (1) two sides are located at third wear-resistant ceramic (9) inner wall, door-plate (1) upper wall surface and lower wall surface
It is provided with rectangular recess, a pair of 4th wear-resistant ceramic (10) is separately fixed at door-plate (1) upper wall surface and the rectangle of lower wall surface is recessed
In slot, the 5th wear-resistant ceramic (11) is fixed on differential (3) inner wall, and it is short that the 6th wear-resistant ceramic (12) is fixed on outlet
(4) inner wall is connect, the upper valve body (5) and lower valve body (6) facing surface have end to end convex stupefied (14) and recessed
Slot, fixed seal ring (15) in the groove, convex stupefied (14) are bonded with sealing ring (15), the upper valve body (5) and lower valve
The outer of body (6) respectively corresponds fixedly connected part (16), and the connector (16) is fixed by threaded rod (13).
2. the E type valve according to claim 1 for fired power generating unit dedusting of negative pressure system, it is characterised in that: described first
Wear-resistant ceramic (7), the second wear-resistant ceramic (8), third wear-resistant ceramic (9), a pair of 4th wear-resistant ceramic (10), the 5th wear-resistant ceramic
(11) and the 6th wear-resistant ceramic (12) using BD series wear-resistant ceramic glue respectively with upper valve body (5), lower valve body (6), track (2),
The inner wall of door-plate (1) and differential (3), which is pasted, to be fixed.
3. the E type valve according to claim 1 for fired power generating unit dedusting of negative pressure system, it is characterised in that: described convex stupefied
(14) cross section is raised right-angled trapezium, and the groove is recess right-angled trapezium, and the sealing ring (15) is with groove binding face
The bottom surface of groove and slope surface, convex stupefied (14) height of projection are less than 0.1 millimeter of groove.
4. the E type valve according to claim 1 for fired power generating unit dedusting of negative pressure system, it is characterised in that: the sealing
(15) are enclosed with a thickness of 0.25 millimeter.
5. the E type valve according to claim 1 for fired power generating unit dedusting of negative pressure system, it is characterised in that: described first
The inner wall of wear-resistant ceramic (7) and the second wear-resistant ceramic (8) binding face is provided with baffle (17), the second wear-resistant ceramic (8) top
End is between baffle (17) and lower valve body (6).
6. the E type valve according to claim 1 for fired power generating unit dedusting of negative pressure system, it is characterised in that: described first
Wear-resistant ceramic (7), the second wear-resistant ceramic (8), third wear-resistant ceramic (9), a pair of 4th wear-resistant ceramic (10), the 5th wear-resistant ceramic
(11) and the 6th wear-resistant ceramic (12) uses Rockwell hardness for the wear-resistant ceramic of HRA80-90.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821261857.9U CN208651802U (en) | 2018-08-06 | 2018-08-06 | E type valve for fired power generating unit dedusting of negative pressure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821261857.9U CN208651802U (en) | 2018-08-06 | 2018-08-06 | E type valve for fired power generating unit dedusting of negative pressure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651802U true CN208651802U (en) | 2019-03-26 |
Family
ID=65788937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821261857.9U Active CN208651802U (en) | 2018-08-06 | 2018-08-06 | E type valve for fired power generating unit dedusting of negative pressure system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651802U (en) |
-
2018
- 2018-08-06 CN CN201821261857.9U patent/CN208651802U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200603 Address after: 712000 Zhengyang Street office, Qinhan new city, Xixian New District, Xi'an City, Shaanxi Province Co-patentee after: Shaanxi Zhengyuan fly ash comprehensive utilization Co., Ltd Patentee after: Shaanxi Zhengyuan environmental protection technology industry (Group) Co.,Ltd. Co-patentee after: Shaanxi Zhengyuan qindian Environmental Protection Industry Co., Ltd Address before: 710000 Room 11221, Building 1, Ruixin Building, 25 Gaoxin Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: Wang Xiaoxi |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210929 Address after: 712000 No. 1369, Xianhong Road, Zhengyang Street, Qinhan new town, Xixian New District, Xi'an City, Shaanxi Province Patentee after: Shaanxi Zhengyuan Industrial Co.,Ltd. Patentee after: Shaanxi Zhengyuan fly ash comprehensive utilization Co., Ltd Patentee after: Shaanxi Zhengyuan qindian Environmental Protection Industry Co., Ltd Address before: 712000 Zhengyang Street office, Qinhan new town, Xixian New District, Xi'an City, Shaanxi Province Patentee before: Shaanxi Zhengyuan environmental protection technology industry (Group) Co.,Ltd. Patentee before: Shaanxi Zhengyuan fly ash comprehensive utilization Co., Ltd Patentee before: Shaanxi Zhengyuan qindian Environmental Protection Industry Co., Ltd |
|
| TR01 | Transfer of patent right |