CN106481860A - A kind of three protection type wind powder actuator - Google Patents
A kind of three protection type wind powder actuator Download PDFInfo
- Publication number
- CN106481860A CN106481860A CN201611133333.7A CN201611133333A CN106481860A CN 106481860 A CN106481860 A CN 106481860A CN 201611133333 A CN201611133333 A CN 201611133333A CN 106481860 A CN106481860 A CN 106481860A
- Authority
- CN
- China
- Prior art keywords
- plate
- valve body
- central layer
- screw mandrel
- protection type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000843 powder Substances 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000008602 contraction Effects 0.000 claims description 20
- 238000010926 purge Methods 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 3
- 210000004247 hand Anatomy 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000002817 coal dust Substances 0.000 abstract description 25
- 230000015572 biosynthetic process Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 4
- 238000005474 detonation Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K21/00—Fluid-delivery valves, e.g. self-closing valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/10—Means to prevent accidental or unauthorised actuation with locking caps or locking bars
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
A kind of three protection type wind powder actuator, including valve body and be respectively arranged on the left shell plate of both sides in valve body, right shell body plate, left shell plate, right shell body plate are all connected with screw mandrel, and screw mandrel one end is run through valve body and is exposed to outside valve body, this end of screw mandrel is fixed with handwheel, and described handwheel is provided with vernier；Described left shell plate, the side of right shell body plate are respectively equipped with indicator of opening；Described valve body is provided with the scale-board corresponding with indicator of opening；Described left shell plate, right shell body plate are respectively fixed with left and right central layer；Described left shell plate, right shell body plate inwall are provided with seal groove, are provided with the sealing strip matching with it in seal groove.The relatively conventional product of three protection type wind powder actuator of the present invention has anti-sticking, abrasionproof, the characteristic of anti-accumulated powder, it can avoid coal dust to accumulate in a large number between left and right central layer and valve body enclosing in the space of formation to the full extent, more can guarantee that the position of closure between left and right central layer is not in the situation that coal dust accumulates.
Description
Technical field
The present invention relates to a kind of three protection type wind powder actuator.
Background technology
Wind powder actuator is used for the powder feeding pipes of coal-burning boiler, and the pressure adjusting the wind powder two phase flow of multiple pipeline enclosures is put down
It is ensured that the blast between each burner of boiler, flow are identical, wind powder actuator passes through left and right two pieces of central layers with valve body center to weighing apparatus
Line for symmetrical centre do inside and outside do relatively reciprocating motion, adjust open area, thus play adjust coal dust feed flow effect,
Due to the restriction of structure, there is gap between therefore left and right central layer and left shell plate, right shell body plate, flow through adjustable contracting in coal dust
Kong Shi, coal dust is easy to flow into, by gap, the space enclosing formation between left and right central layer and left shell plate, right shell body plate
Interior, and the continuous conveying with coal dust, accumulate, and in left and right central layer toward after outer displacement, coal dust will be easy to flow
The position of left and right central layer closure to left and right central layer, after left and right central layer is toward intrinsic displacement, will be accumulated in, lead to left and right
Central layer cannot tight closure, the precision of impact coal dust feed flow, and the accumulation of coal dust is easy to situation detonation, leads
Adjustable contraction valve and coupled pipeline is caused to be burned, the normal operation of impact unit, when serious, or even can cause
Catch fire.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of three protection type wind powder actuator, and relatively conventional product has anti-
Card, abrasionproof, the characteristic of anti-accumulated powder, it can avoid coal dust to accumulate in a large number enclosing between left and right central layer and valve body to the full extent
In the space being formed, more can guarantee that the position of closure between left and right central layer is not in the situation that coal dust accumulates.
The present invention solve above-mentioned technical problem adopt technical scheme be：
The present invention discloses a kind of three protection type wind powder actuator, the left shell plate including valve body and being respectively arranged on both sides in valve body,
Right shell body plate, left shell plate, right shell body plate are all connected with screw mandrel, and screw mandrel one end is run through valve body and is exposed to outside valve body, and screw mandrel should
End be fixed with handwheel it is characterised in that：Described handwheel is provided with vernier；Described left shell plate, the side of right shell body plate
It is respectively equipped with indicator of opening；Described valve body is provided with the scale-board corresponding with indicator of opening；Described left shell plate, right shell
Body plate is respectively fixed with left and right central layer；Described left shell plate, right shell body plate inwall are provided with seal groove, be provided with seal groove with
Its sealing strip matching；Described left shell plate, right shell body plate pass through sealing strip to the gap between left shell plate and left central layer,
Gap between right shell body plate and right central layer is sealed；Form an adjustable contraction between described left central layer and right central layer, adjustable
Shrinkage cavity bottom has a sludge groove；Described left and right central layer is each passed through left shell plate, the position of right shell body plate is provided with built-in packing
Seal receptacle.
Described seal groove is V-shaped, arc or in-line.
Described adjustable contraction edge is rounded down, and fillet is scheduling to 15 degree to 75 degree.
It is provided with a retractable dustproof set, retractable dustproof set is located at screw mandrel two ends, one of retractable dustproof outside described screw mandrel
Set covers the screw mandrel being exposed to outside valve body.
Described valve body both sides are provided with some equally distributed purge holes.
Described purge hole number is 2 to 8.
Described hand wheel position is provided with self-locking handle.
The invention has the beneficial effects as follows：
Compared with prior art, using present configuration three protection type wind powder actuator under the sealing of sealing strip, coal dust cannot
Left shell plate and left core are entered into by the gap between the gap between left shell plate and left central layer, right shell body plate and right central layer
Enclose in the space of formation between the space, right shell body plate and the right central layer that enclose formation between plate, it is to avoid the presence of accumulated powder, that is,
Enclose between the space, right shell body plate and the right central layer that make a small amount of coal dust enter between left shell plate and left central layer to enclose formation
Close in the space being formed, this small amount of coal dust is also not in the situation of detonation, it is to avoid adjustable contraction valve and coupled
Situation that the pipeline connecing is burned is it is ensured that the normal operation of unit, and adjustable contraction bottom has sludge groove, defeated in coal dust
During sending, the distinguished and admirable coal dust that can will fall off in sludge groove is also all taken away, and the presence of sludge groove can make this actuator erect
It is not in the situation of left and right central layer bottom make position accumulated powder during straight installation.
Brief description
Fig. 1 is the structural representation of an angle of three protection type wind powder actuator of the present invention；
Fig. 2 is the structural representation of another angle of three protection type wind powder actuator of the present invention.
Specific embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description：
Refer to Fig. 1, the present invention provides a kind of three protection type wind powder actuator, including valve body 1 and be respectively arranged on both sides in valve body 1
Left shell plate 2, right shell body plate 3, left shell plate 2, right shell body plate 3 be all connected with screw mandrel 4, and valve body 1 naked is run through in screw mandrel 4 one end
It is exposed to outside valve body 1, this end of screw mandrel 4 is fixed with handwheel 5, described handwheel 5 is provided with vernier 501；Described left shell plate 2,
The side of right shell body plate 3 is respectively equipped with indicator of opening 6；Described valve body 1 is provided with the scale-board corresponding with indicator of opening
101；Described left shell plate 2, right shell body plate 3 are respectively fixed with left and right central layer 7,8；Described left shell plate 2, right shell body plate 3 inwall
It is provided with seal groove 9, the sealing strip 10 being matched with it is installed in seal groove 9；Described left shell plate 2, right shell body plate 3 pass through close
Strip of paper used for sealing 10 seals to the gap between the gap between left shell plate 2 and left central layer 7, right shell body plate 3 and right central layer 8；Institute
State and between left central layer 7 and right central layer 8, form an adjustable contraction 11, adjustable contraction 11 bottom has a sludge groove 12；Described left and right
Central layer 7,8 is each passed through left shell plate 2, the position of right shell body plate 3 is provided with the seal receptacle 103 of built-in packing 102, ensures core with this
Plate passes the powder that will not leak out during shell plates.
Described seal groove 9 is V-shaped, arc or in-line.
Described adjustable contraction 11 edge is rounded down, and fillet is scheduling to 15 degree to 75 degree.
It is provided with a retractable dustproof set 13, retractable dustproof set 13 is located at screw mandrel two ends, one of flexible outside described screw mandrel 4
Dirt-proof boot 13 covers the screw mandrel 4 being exposed to outside valve body 1.
Described valve body 1 both sides are provided with some equally distributed purge holes 14.
Described purge hole 14 number is 2 to 8.
Described handwheel 5 position is provided with self-locking handle 15.
The using method of the present invention is as follows：
First wind powder actuator is connected with pipeline, then turn handwheel 5, so that screw mandrel 4 is rotated, and drive left shell plate 2,
Right shell body plate 3 is moved, and left shell plate 2, right shell body plate 3 then can drive left central layer 7, right central layer 8 to enter outward or inside
Row relative movement, makes the area of adjustable contraction 11 change therewith, in mobile left shell plate 2, right shell body plate 3, is fixed on
Left shell plate 2, the indicator of opening 6 of right shell body plate 3 refer on scale-board 101 scale then can change, therefore work
Personnel can reach left and right central layer 7, the effect of 8 synchronization control by indicator of opening 6 and scale-board 101, and handwheel 5 is provided with micro-
Adjust graduated disc 501, the presence of vernier 501 can improve the mobile accuracy of left and right central layer 7,8, and handwheel 5 position is provided with
Self-locking handle 15, after adjustable contraction 11 rea adjusting is complete, workmen can be carried out to handwheel 5 by self-locking handle 15
Self-locking, when so that wind powder actuator is used, screw mandrel 4 is not in rotation it is ensured that the area of adjustable contraction 11.
After the rea adjusting of adjustable contraction 11 is actually required, the coal dust in pipeline will be conveyed, in adjustable contraction
Carry out the conveying of corresponding discharge, when coal dust flows through adjustable contraction 11, under the sealing of sealing strip 10, coal dust is no under 11 control
Method enters into left shell plate by the gap between the gap between left shell plate 2 and left central layer 7, right shell body plate 3 and right central layer 8
Enclose in the space of formation between the space, right shell body plate 3 and the right central layer 8 that enclose formation between 2 and left central layer 7, it is to avoid sky
Between internal accumulated powder situation, even if having a small amount of coal dust to enter between left shell plate 2 and left central layer 7 to enclose the space of formation,
Enclose in the space of formation between right shell body plate 3 and right central layer 8, this small amount of coal dust is also not in the situation of detonation, it is to avoid
Situation that adjustable contraction valve and coupled pipeline are burned is it is ensured that the normal operation of unit, and adjustable contracting
Hole 11 bottom has sludge groove 12, and in coal dust course of conveying, the distinguished and admirable coal dust that can will fall off in sludge groove 12 also all carries
Walk, it is not in left and right central layer 7 when vertically-mounted that the presence of sludge groove 12 can make wind powder actuator, under 8 bottom make positions
The situation of portion's accumulated powder.
Adjustable contraction 11 edge is rounded down, and fillet is scheduling to 15 degree to 75 degree, and the presence of fillet can make coal dust flow
Do not have vortex during to adjustable contraction 11, reduce abrasion, play the effect of abrasionproof, understand in sum, the wind powder of the present invention
Actuator can have abrasionproof, the effect of explosion-proof, anti-three kinds of protection of accumulated powder simultaneously.
Valve body 1 both sides are provided with some equally distributed purge holes 14, and purge hole 14 number is 2 to 8, and workmen can be
Proper time is purged to valve body 1 it is ensured that any position of valve body 1 is all without situation accumulated powder by purge hole 14.
It is provided with retractable dustproof set 13, retractable dustproof set 13 is located at screw mandrel two ends outside described screw mandrel 4, one of flexible anti-
Dirt set 13 covers the screw mandrel 4 being exposed to outside valve body 1, and the presence of retractable dustproof set 13 can effectively prevent coal dust or dust from accumulating in
On screw mandrel 4, it is to avoid screw mandrel 4 leads to stuck situation due to accumulated powder.
Claims (7)
1. a kind of three protection type wind powder actuator, including valve body and be respectively arranged on the left shell plate of both sides in valve body, right shell body plate,
Left shell plate, right shell body plate are all connected with screw mandrel, and screw mandrel one end is run through valve body and is exposed to outside valve body, and this end of screw mandrel is fixed with handss
Wheel it is characterised in that：Described handwheel is provided with vernier；Described left shell plate, the side of right shell body plate are respectively equipped with out
Degree indicator；Described valve body is provided with the scale-board corresponding with indicator of opening；Described left shell plate, right shell body plate are solid respectively
Surely there is left and right central layer；Described left shell plate, right shell body plate inwall be provided with seal groove, is provided with and matches with it in seal groove
Sealing strip；Described left shell plate, right shell body plate pass through sealing strip to the gap between left shell plate and left central layer, right shell body plate with
Gap between right central layer is sealed；Form an adjustable contraction, adjustable contraction bottom is opened between described left central layer and right central layer
There is a sludge groove；Described left and right central layer is each passed through left shell plate, the position of right shell body plate is provided with the seal receptacle of built-in packing.
2. a kind of three protection type wind powder actuator according to claim 1 it is characterised in that：Described seal groove is V-shaped, arc
Or in-line.
3. a kind of three protection type wind powder actuator according to claim 1 it is characterised in that：Described adjustable contraction edge has
Fillet, fillet is scheduling to 15 degree to 75 degree.
4. a kind of three protection type wind powder actuator according to claim 1 it is characterised in that：It is provided with one outside described screw mandrel to stretch
Contracting dirt-proof boot, retractable dustproof set is located at screw mandrel two ends, and one of retractable dustproof set covers the screw mandrel being exposed to outside valve body.
5. a kind of three protection type wind powder actuator according to claim 1 it is characterised in that：Described valve body both sides are provided with some
Equally distributed purge hole.
6. a kind of three protection type wind powder actuator according to claim 5 it is characterised in that：Described purge hole number is 2 to 8
Individual.
7. a kind of three protection type wind powder actuator according to claim 1 it is characterised in that：Described hand wheel position is provided with self-locking
Formula handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611133333.7A CN106481860B (en) | 2016-12-10 | 2016-12-10 | Three-prevention type wind-powder regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611133333.7A CN106481860B (en) | 2016-12-10 | 2016-12-10 | Three-prevention type wind-powder regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106481860A true CN106481860A (en) | 2017-03-08 |
| CN106481860B CN106481860B (en) | 2020-02-14 |
Family
ID=58274916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611133333.7A Expired - Fee Related CN106481860B (en) | 2016-12-10 | 2016-12-10 | Three-prevention type wind-powder regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106481860B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332230A (en) * | 2018-04-25 | 2018-07-27 | 国电科学技术研究院有限公司 | A kind of regulating device of tube cell wind powder speed |
| CN111365480A (en) * | 2020-03-13 | 2020-07-03 | 河南鼎盛铝业有限公司 | External ceramic double-core adjustable shrinkage cavity of transmission mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29610548U1 (en) * | 1996-06-15 | 1996-08-22 | WECO Armaturen GmbH, 51588 Nümbrecht | Slider element with loose flanges |
| JP2004124978A (en) * | 2002-09-30 | 2004-04-22 | Okm:Kk | Valve sealing structure |
| CN202048228U (en) * | 2011-05-12 | 2011-11-23 | 甘肃宏发电力工程技术有限公司 | Bidirectional adjustable shrinkage cavity device for pulverizing system powder tube of coal-fired unit |
| CN202402678U (en) * | 2011-12-28 | 2012-08-29 | 汨罗市金成管道阀门工程有限公司 | Elastic knife gate valve |
| CN205278424U (en) * | 2015-11-27 | 2016-06-01 | 柳州欧维姆机械股份有限公司 | Uninstallation is with small flow choke valve |
| CN206347170U (en) * | 2016-12-10 | 2017-07-21 | 游亦忠 | A kind of three protection type wind powder adjuster |
-
2016
- 2016-12-10 CN CN201611133333.7A patent/CN106481860B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29610548U1 (en) * | 1996-06-15 | 1996-08-22 | WECO Armaturen GmbH, 51588 Nümbrecht | Slider element with loose flanges |
| JP2004124978A (en) * | 2002-09-30 | 2004-04-22 | Okm:Kk | Valve sealing structure |
| CN202048228U (en) * | 2011-05-12 | 2011-11-23 | 甘肃宏发电力工程技术有限公司 | Bidirectional adjustable shrinkage cavity device for pulverizing system powder tube of coal-fired unit |
| CN202402678U (en) * | 2011-12-28 | 2012-08-29 | 汨罗市金成管道阀门工程有限公司 | Elastic knife gate valve |
| CN205278424U (en) * | 2015-11-27 | 2016-06-01 | 柳州欧维姆机械股份有限公司 | Uninstallation is with small flow choke valve |
| CN206347170U (en) * | 2016-12-10 | 2017-07-21 | 游亦忠 | A kind of three protection type wind powder adjuster |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332230A (en) * | 2018-04-25 | 2018-07-27 | 国电科学技术研究院有限公司 | A kind of regulating device of tube cell wind powder speed |
| CN108332230B (en) * | 2018-04-25 | 2024-03-29 | 国家能源集团科学技术研究院有限公司 | Powder pipe wind powder speed adjusting device |
| CN111365480A (en) * | 2020-03-13 | 2020-07-03 | 河南鼎盛铝业有限公司 | External ceramic double-core adjustable shrinkage cavity of transmission mechanism |
| CN111365480B (en) * | 2020-03-13 | 2022-07-22 | 河南鼎盛铝业有限公司 | External ceramic double-core adjustable shrinkage cavity of transmission mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106481860B (en) | 2020-02-14 |
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| SE01 | Entry into force of request for substantive examination | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170621 Address after: Taizhou City, Zhejiang province 317604 Yuhuan County Damaiyu Street Trade Road No. 29 Applicant after: You Yizhong Applicant after: Han Jiaping Address before: Taizhou City, Zhejiang province 317604 Yuhuan County Damaiyu Street Trade Road No. 29 Applicant before: You Yizhong |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |