CN107859749A - A kind of double-piston electromagnetic impulse valve - Google Patents
A kind of double-piston electromagnetic impulse valve Download PDFInfo
- Publication number
- CN107859749A CN107859749A CN201711278187.1A CN201711278187A CN107859749A CN 107859749 A CN107859749 A CN 107859749A CN 201711278187 A CN201711278187 A CN 201711278187A CN 107859749 A CN107859749 A CN 107859749A
- Authority
- CN
- China
- Prior art keywords
- piston
- valve body
- double
- upper chamber
- chamber
- 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
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims abstract description 10
- 230000000630 rising effect Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000004071 soot Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process 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
- 230000000541 pulsatile effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
- F16K31/383—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a piston
Abstract
The invention discloses double-piston electromagnetic impulse valve, for soot cleaning system apparatus field, including valve body, valve inner is provided with upper chamber above and underlying lower chambers, upper chamber is connected with lower chambers by through hole, liftable first piston is provided with upper chamber, the blocking face of closure through hole is formed on the bottom of the first piston, the top of upper chamber is provided with pressure relief opening, valve body is provided with the driving structure that driving first piston moves up, bottom chamber is provided with liftable second piston, position on valve body corresponding to second piston is provided with the by-pass port that can lead to gas bag, body base is provided with injection and exported, by-pass port and injection outlet after second piston rising.The present invention is provided with two pistons, after first piston motion, second piston ability responsive movement, the compressed gas of gas bag is exported from injection and spray completion injection process, the construction of two pistons causes there is buffering during valve opening, and its impact is smaller, improves the life-span of product.
Description
Technical field
The present invention relates to soot cleaning system installations and facilities field, more particularly to a kind of double-piston electromagnetic impulse valve.
Background technology
Device of the electromagnetic impulse valve as control can be typically used in pulse dust removal soot cleaning system, realizes that pulsed is sprayed
Blow.Existing electromagnetic impulse valve is single-piston formula, because control can not realize buffering, causes present life of product short, voice
Greatly.
The content of the invention
In order to solve the above problems, the present invention provides a kind of double-piston electromagnetic impulse valve, and it can improve the life-span of product.
The technical solution adopted in the present invention is：
A kind of double-piston electromagnetic impulse valve, including valve body, valve inner are provided with upper chamber above and positioned at lower sections
Lower chambers, upper chamber connected with lower chambers by through hole, and liftable first piston, the first piston are provided with upper chamber
Bottom form the blocking face of closure through hole, the top of upper chamber is provided with pressure relief opening, and valve body, which is provided with, drives first piston to move up
Driving structure, bottom chamber is provided with liftable second piston, and the position that second piston is corresponded on valve body is provided with and can led to
The by-pass port of gas bag, body base are provided with injection and exported, by-pass port and injection outlet after second piston rising.
As a further improvement on the present invention, the external diameter of the first piston is less than the external diameter of second piston.
As a further improvement on the present invention, the external diameter of the second piston is 3~5 times of second piston external diameter.
As a further improvement on the present invention, the valve body includes upper valve body and is connected to the lower valve body of upper valve body lower end,
Upper chamber is arranged in upper valve body, and lower chambers, by-pass port and injection outlet may be contained within lower valve body.
As a further improvement on the present invention, the first piston includes upper and lower part, and it is straight that lower diameter is less than top
Footpath, the outer wall on top are tightly connected the wall of upper chamber so that upper chamber to be divided into the first chamber of top and the second chamber of lower section, under
Portion sets the blocking face, and the driving structure includes the passage being opened on valve body wall, and passage is connected outside upper valve body
With the second chamber.
As a further improvement on the present invention, the collateral branch hole that aperture is less than passage is additionally provided with the upper valve body, it is described
The first chamber and passage are led in the both ends in collateral branch hole.
As a further improvement on the present invention, the second piston is " work " font, it include positioned at top piston portion,
It is connected to the connecting portion of piston portion bottom and is connected to the choking portion of connecting portion bottom, outer wall and the lower chambers inwall of piston portion
It is tightly connected, choking portion is provided with the closure face for blocking injection outlet, and when choking portion blocks injection outlet, the by-pass port is located at
Between piston portion and choking portion.
As a further improvement on the present invention, the top of the second piston is provided with spacing core, and the spacing core protrudes from
Second piston top end face.
As a further improvement on the present invention, the top of the first piston is provided with gag lever post, and the gag lever post protrudes from
First piston top end face.
The beneficial effects of the invention are as follows：The present invention is provided with two pistons, and after first piston motion, second piston is just rung
It should move, the compressed gas of gas bag is exported from injection and spray completion injection process, the construction of two pistons causes valve opening
During play the role of buffering, its impact is smaller, improves the life-span of product.
Brief description of the drawings
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the decomposing schematic representation of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is Fig. 2 A-A sectional views.
Embodiment
Double-piston electromagnetic impulse valve as shown in Figure 1 to Figure 3, including valve body, valve inner are provided with epicoele above
Room and underlying lower chambers 1, the structure separated is provided between upper chamber and lower chambers 1, the structure of the separation, which is provided with, leads to
Hole 2 so that upper chamber can be connected with lower chambers 1 by through hole 2.
Liftable first piston 3 is provided with upper chamber, the blocking face 31 of closure through hole 2 is formed on the bottom of first piston 3,
When valve is closed, blocks face 31 and block through hole 2 so that upper chamber, lower chambers 1 separate and stuffiness.Upper chamber
Top is provided with pressure relief opening 4, and the pressure relief opening 4 is located at the top of first piston 3, communicated with the superjacent air space of first piston 3.On valve body
It is additionally provided with the driving structure that driving first piston 3 moves up.
Liftable second piston 5 is provided with described lower chambers 1, the position that second piston 5 is corresponded on valve body is provided with
The by-pass port 6 of gas bag can be led to, body base is provided with injection outlet 7.In the closed mode of valve, second piston 5 is in most bottom
Portion, by-pass port 6 connects with injection outlet 7 after the rising of second piston 5 so that the compressed gas in gas bag enters injection outlet
7 and spray.
So, the operation principle of above-described embodiment is as follows：
After magnetic valve has a power failure, pressure relief opening 4 is opened, and the pressure of the top of first piston 3 diminishes, now driving structure driving first
The rapid increase of piston 3, blocking face 31 separate with through hole 2；After upper chamber connects with lower chambers 1 so that the top of second piston 5
Space becomes big, and the pressure for acting on the upper end of second piston 5 diminishes, and now, air pressure inside gas bag is relative to become big, then drives the
Two pistons 5 rise；By-pass port 6 connects with injection outlet 7 after second piston 5 rises so that the compressed gas in gas bag enters
Injection outlet 7 simultaneously quickly sprays, and completion is once blown process.
The structure opened successively due to above-mentioned this two pistons so that there is buffering during valve opening,
Its impact is smaller, improves the life-span of product, is also more suitable for the requirement of hot environment.
It is further preferred that the external diameter of first piston 3 is less than effective closure of the external diameter, i.e. first piston 3 of second piston 5
Area is less than effective closure area of second piston 5, and the horizontal section area of upper chamber is less than the horizontal cross-section face of lower chambers 1
Product.Small one and large one this structure, the response time of second piston 5 can be greatly improved when first piston 3 rises, in equal gas
There is more preferable stronger pulsatile effect in the case of the compressed gas of amount.
It is further preferred that the external diameter of second piston 5 is 3~5 times of the external diameter of second piston 5.
Valve body in embodiment includes upper valve body 8 and is connected to the lower valve body 9 of the lower end of upper valve body 8.Upper valve body 8 comprises at least
Bonnet 83 and the valve seat 84 covered by bonnet 83, upper chamber are arranged in valve seat 84, and through hole 2 is arranged at the bottom of valve seat 84, pressure release
Mouth 4 is arranged on the middle part of valve seat 84.Described lower chambers 1, by-pass port 6 and injection outlet 7 may be contained within lower valve body 9.Bonnet 83 with
To be tightly connected, valve seat 84 and the connection of lower valve body 9 are also sealed connection for the connection of valve seat 84.
It is further preferred that first piston 3 includes top 32 and bottom 33.The diameter of bottom 33 is less than the diameter of top 32, makes
First piston 3 is obtained substantially into " T " font.The outer wall on top 32 is tightly connected the wall of upper chamber so that upper chamber be divided into first
First chamber 34 of the top of piston 3 and lower section are in the second chamber 35 of same level with bottom 33.The bottom 33 of first piston 3
Above-mentioned blocking face 31 is set.Driving structure includes the passage 81 being opened on valve body wall, and passage 81 is connected outside upper valve body 8
Portion and the second chamber 35.
Passage 81 communicates with the pressed gas of outside, and after pressure relief opening 4 is opened, the external gas pressure passes through passage 81
The bottom face on the top 32 of first piston 3 is transferred to, promotes first piston 3 to rise by the top 32 of first piston 3, and gas is made
Pressure used in the bottom 33 of first piston 3 is horizontal, has no effect on the lifting of first piston 3.
It is further preferred that the collateral branch hole 82 that aperture is less than passage 81 is also drilled with upper valve body 8, the two of collateral branch hole 82
The first chamber 34 and passage 81 are led in end.Before also non-pressure release, the first chamber 34 and the second chamber 35 have identical pressure, pressure release it
Afterwards, the pressure of first chamber 34 declines very fast, and the pressure of the second chamber 35 declines slower, passes through the first chamber 34, the second chamber 35
Pressure differential promotes the rising of first piston 3.
It is further preferred that described second piston 5 is " work " font, it includes the piston portion 51 positioned at top, connection
The bottom of piston portion 51 connecting portion 52 and be connected to the choking portion 53 of the bottom of connecting portion 52.The largest outside diameter of piston portion 51,
Main piston structure is formed, the outer wall of piston portion 51 is connected with the inner wall sealing of lower chambers 1.Choking portion 53 is blown out provided with blocking
Mouthfuls 7 closure face, the closure face be ring surface, when choking portion 53 blocks injection outlet 7, by-pass port 6 be located at piston portion 51 and
Between choking portion 53.
When first piston 3 rises, the top pressure of second piston 5 diminishes, the upper and lower formation pressure differential of piston portion 51, gas bag
Internal pressure be transferred to the bottom face of piston portion 51 so that second piston 5 rises.
It is further preferred that the top of second piston 5 is provided with spacing core 54, spacing core 54 protrudes from the top of second piston 5
Face.Spacing core 54 is copper core, and it can be heat-resisting, and effect is to prevent second piston 5 from damaging caused by excessively rising.
It is further preferred that the top of first piston 3 is provided with gag lever post 36, gag lever post 36 protrudes from the top of first piston 3
Face, effect are to prevent first piston 3 from damaging caused by excessively rising.
The simply preferred embodiment of the present invention described above, it does not form limiting the scope of the invention.
Claims (9)
- A kind of 1. double-piston electromagnetic impulse valve, it is characterised in that：Including valve body, valve inner be provided with upper chamber above and Underlying lower chambers (1), upper chamber are connected with lower chambers (1) by through hole (2), and liftable first is provided with upper chamber The blocking face (31) of closure through hole (2) is formed on piston (3), the bottom of the first piston (3), and the top of upper chamber is provided with pressure release Mouth (4), valve body are provided with the driving structure that driving first piston (3) moves up, liftable second piston are provided with lower chambers (1) (5), the position on valve body corresponding to second piston (5) is provided with and is blown out provided with the by-pass port (6) that can lead to gas bag, body base Mouth (7), by-pass port (6) connects with injection outlet (7) after second piston (5) rising.
- 2. double-piston electromagnetic impulse valve according to claim 1, it is characterised in that：The external diameter of the first piston (3) is small External diameter in second piston (5).
- 3. double-piston electromagnetic impulse valve according to claim 2, it is characterised in that：The external diameter of the second piston (5) is 3~5 times of second piston (5) external diameter.
- 4. according to the double-piston electromagnetic impulse valve described in claim 1 or 2 or 3, it is characterised in that：The valve body includes upper valve body (8) with being connected to the lower valve body (9) of upper valve body (8) lower end, upper chamber is arranged in upper valve body (8), lower chambers (1), by-pass port (6) and injection outlet (7) may be contained within lower valve body (9).
- 5. double-piston electromagnetic impulse valve according to claim 4, it is characterised in that：The first piston (3) includes top (32) and bottom (33), bottom (33) diameter are less than top (32) diameter, and the outer wall of top (32) is tightly connected the wall of upper chamber So as to which upper chamber to be divided into the first chamber (34) of top and the second chamber (35) of lower section, bottom (33) set the blocking face (31), the driving structure includes being opened in passage (81) on valve body wall, passage (81) connection upper valve body (8) it is outside with Second chamber (35).
- 6. double-piston electromagnetic impulse valve according to claim 5, it is characterised in that：Hole is additionally provided with the upper valve body (8) Footpath is less than the collateral branch hole (82) of passage (81), and the first chamber (34) and passage (81) are led in the both ends of the collateral branch hole (82).
- 7. double-piston electromagnetic impulse valve according to claim 4, it is characterised in that：The second piston (5) is " work " word Type, it includes the piston portion (51) positioned at top, is connected to the connecting portion (52) of piston portion (51) bottom and is connected to connection The choking portion (53) of portion (52) bottom, the outer wall of piston portion (51) are connected with lower chambers (1) inner wall sealing, and choking portion (53) is provided with The closure face of injection outlet (7) is blocked, when choking portion (53) blocks injection outlet (7), the by-pass port (6) is located at piston portion (51) between choking portion (53).
- 8. according to the double-piston electromagnetic impulse valve described in claim 1 or 2 or 3, it is characterised in that：The second piston (5) Top is provided with spacing core (54), and the spacing core (54) protrudes from second piston (5) top end face.
- 9. according to the double-piston electromagnetic impulse valve described in claim 1 or 2 or 3, it is characterised in that：The first piston (3) Top is provided with gag lever post (36), and the gag lever post (36) protrudes from first piston (3) top end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278187.1A CN107859749B (en) | 2017-12-06 | 2017-12-06 | Double-piston electromagnetic pulse valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278187.1A CN107859749B (en) | 2017-12-06 | 2017-12-06 | Double-piston electromagnetic pulse valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107859749A true CN107859749A (en) | 2018-03-30 |
| CN107859749B CN107859749B (en) | 2023-12-26 |
Family
ID=61705271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711278187.1A Active CN107859749B (en) | 2017-12-06 | 2017-12-06 | Double-piston electromagnetic pulse valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107859749B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU507739A1 (en) * | 1974-07-31 | 1976-03-25 | Всесоюзный научно-исследовательский институт противопожарной обороны МВД СССР | Hydraulic valve |
| CN86105073A (en) * | 1985-09-17 | 1987-03-18 | Tlv有限公司 | The separation of condensate and discharger |
| CN87215755U (en) * | 1987-11-24 | 1988-11-02 | 大连工学院 | Multifunction-closed type pre-operation safe valve |
| CN102147028A (en) * | 2011-04-15 | 2011-08-10 | 王元清 | Low-pressure pilot operated safety valve |
| CN103821950A (en) * | 2014-02-28 | 2014-05-28 | 成都易态科技有限公司 | Pulse valve |
| CN104019257A (en) * | 2014-06-05 | 2014-09-03 | 中国科学院等离子体物理研究所 | Novel vacuum decompression valve |
| CN204312838U (en) * | 2014-11-18 | 2015-05-06 | 上海大学 | A kind of multi-function electromagnetic valve |
| CN207673870U (en) * | 2017-12-06 | 2018-07-31 | 广州碧空环保产品有限公司 | A kind of double-piston electromagnetic impulse valve |
-
2017
- 2017-12-06 CN CN201711278187.1A patent/CN107859749B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU507739A1 (en) * | 1974-07-31 | 1976-03-25 | Всесоюзный научно-исследовательский институт противопожарной обороны МВД СССР | Hydraulic valve |
| CN86105073A (en) * | 1985-09-17 | 1987-03-18 | Tlv有限公司 | The separation of condensate and discharger |
| CN87215755U (en) * | 1987-11-24 | 1988-11-02 | 大连工学院 | Multifunction-closed type pre-operation safe valve |
| CN102147028A (en) * | 2011-04-15 | 2011-08-10 | 王元清 | Low-pressure pilot operated safety valve |
| CN103821950A (en) * | 2014-02-28 | 2014-05-28 | 成都易态科技有限公司 | Pulse valve |
| CN104019257A (en) * | 2014-06-05 | 2014-09-03 | 中国科学院等离子体物理研究所 | Novel vacuum decompression valve |
| CN204312838U (en) * | 2014-11-18 | 2015-05-06 | 上海大学 | A kind of multi-function electromagnetic valve |
| CN207673870U (en) * | 2017-12-06 | 2018-07-31 | 广州碧空环保产品有限公司 | A kind of double-piston electromagnetic impulse valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107859749B (en) | 2023-12-26 |
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