CN208381381U - A kind of explosion venting valve that the master for old metal crusher passively combines - Google Patents
A kind of explosion venting valve that the master for old metal crusher passively combines Download PDFInfo
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- CN208381381U CN208381381U CN201820800043.1U CN201820800043U CN208381381U CN 208381381 U CN208381381 U CN 208381381U CN 201820800043 U CN201820800043 U CN 201820800043U CN 208381381 U CN208381381 U CN 208381381U
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- valve
- venting
- dust explosion
- explosion
- spool
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Abstract
The utility model discloses a kind of explosion venting valves that the master for old metal crusher passively combines, and belong to venting of dust explosion field of explosion.In the venting of dust explosion valve arrangement, the multiple fluid channels for being provided with valve chamber in valve body and being connected with valve chamber, the spool that inside is provided with T shape channel is placed in valve chamber, valve rod connects spool and driving motor, passive venting of dust explosion mechanism is connect with a fluid outlet channels, valve body and valve core chamber fill sealing device, and turning spool by driving motor can be completed switching between passive venting of dust explosion and active venting of dust explosion.The utility model is compact-sized, installation, disassembly and easy to maintenance, good airproof performance, long service life, and opening and closing is rapid；The combination of main passive venting of dust explosion, improves security reliability；In addition, can switch main passive venting of dust explosion mode according to different grades of explosive incident and replace different passive venting of dust explosion mechanisms, venting of dust explosion effect is good, applied widely.
Description
Technical field
The utility model relates to venting of dust explosion field of explosion, specifically a kind of master for old metal crusher passively combines
Explosion venting valve.
Background technique
The broken recovery processing of old metal is conducive to as most important old metal resource recycling mode on our times
Energy-saving and emission-reduction are increased economic efficiency.
Due to often containing inflammable and explosive dangerous waste material in broken raw material, with crusher inside cavity temperature, pressure
Tup and waste material hit the phenomenon that generating spark, burning and explode in shattering process and happen occasionally in accumulation and shattering process, make
At serious equipment damage, or even the health safety of operator can be jeopardized.For protection staff and the safety of equipment,
Crusher is typically provided with explosion venting device.
Currently used explosion venting device mainly includes passive type and two kinds active, wherein passive type explosion venting device includes:
(1) diaphragm type explosion venting valve needs to frequently replace, at high cost and be inconvenient；(2) Weight type explosion venting valve, in rushing for blast pressure
It hits down, valve deck, which overcomes the gravity of weight and takeoffs, realizes pressure releasing, and valve deck resets under the effect of gravity after the completion of venting of dust explosion, still
It is releasing and will appear biggish shock loading in reseting procedure, and there are clearance backflow between valve deck and valve wall, be easy to cause
Subsequent explosion；(3) self-closing spring explosion venting valve enables valve deck self-return using the elastic force of spring, but due to spring
Elastic force can not be adjusted so that the time of return is unable to control, and the gap between guide sleeve and guide post is smaller, causes valve body upper
Guide sleeve is stuck on guide post when rising, and valve deck Lift is insufficient, and venting of dust explosion effect is poor.
Active explosion venting device mainly passes through the information of the explosion initial phase of detection detection in advance, passes through centralized control unit
It triggers executing agency and realizes venting of dust explosion, but when active venting of dust explosion thrashing or when breaking down, explosion venting device cannot effectively be let out
Quick-fried and exclusion security risk.
Summary of the invention
In order to overcome the deficiencies of the prior art, the utility model proposes a kind of active ventings of dust explosion lets out with what passive venting of dust explosion combined
Quick-fried valve, the explosion venting valve can switch between passive venting of dust explosion and active venting of dust explosion, and security and stability is high, and venting of dust explosion effect is good, the scope of application
Extensively.
The utility model solves technical solution used by above-mentioned technical problem:
A kind of explosion venting valve that the master for old metal crusher passively combines, mainly by valve body, to be placed in the valve intracorporal
Spool, rotating electric machine, the connection spool are formed with the valve rod of the rotating electric machine and passive venting of dust explosion mechanism；
The intracorporal valve chamber of valve is communicated with the outside world by fluid channel；
The fluid channel includes: that the orthogonal fluid outlet channels of two axial lines and axis and two fluid outlet channels are equal
Vertical fluid inlet channel；
The passive venting of dust explosion mechanism is connected with a fluid outlet channels；
The valve core inside is provided with T-type interface channel, and the rotating electric machine, which turns the spool, makes the T-type interface channel
Different fluid outlet channels are connected to, the fluid inlet channel is connected with the T-type interface channel always.
Further, the fluid channel further includes one and the fluid outlet channels that are not connected with the passive venting of dust explosion mechanism
The fluid outlet channels of coaxial line, two fluid outlet channels for being not connected with passive venting of dust explosion mechanism penetrate through the valve body.
Further, the passive venting of dust explosion mechanism includes: valve deck, guide sleeve, guide rod, top plate, level-one spring cylinder and second level
Spring cylinder；
The guide sleeve is connected on the valve deck, and the guide rod connects the valve deck, the guide sleeve and the top plate,
And it is connected with fluid outlet channels；
Sealing ring is set between the valve deck and fluid outlet channels；
The level-one spring cylinder and the two-level spring cylinder are set between the valve deck and the top plate, by the bullet of preload
Spring, outer sleeve and inner sleeve composition.
Further, sealing device is set in the explosion venting valve；
The sealing device includes: seal valve seat, metal o-ring one and metal o-ring two；
The fluid inlet channel and the spool and the valve rod junction, are respectively provided between the spool and the valve body
The seal valve seat of ring structure；
The metal o-ring one, the seal valve seat and the valve core chamber are set between the seal valve seat and the valve body
The metal o-ring two is set.
Further, the valve deck is pyramidal structure, and cone protrudes into fluid outlet channels, and pressure is made to be uniformly distributed and rise
To high temperature explosion gas water conservancy diversion and valve deck fall after rise when positioning action.
The utility model has the beneficial effects that:
(1) explosion venting valve of the utility model in normal state, by passive venting of dust explosion mechanism venting of dust explosion, when high pressure gas parameter
When more than given threshold, the rotation of motor driven spool is connected to active venting of dust explosion channel venting of dust explosion, and main passive venting of dust explosion and multi-fluid outlet are logical
The combination in road improves security reliability, has ensured venting of dust explosion effect；
(2) hard sealing cooperation is constituted by setting seal valve seat and metal o-ring between ball valve core and valve body, improved
Sealing performance protects spool, extends the service life of explosion venting valve；
(3) in addition, the utility model is compact-sized, installation, disassembly and it is easy to maintenance, passive venting of dust explosion mechanism can be according to difference
Magnitude of explosion replaced, and passive venting of dust explosion mechanism is equipped with two-stage spring cylinder, and buffering regulating power is strong, thus this is practical new
The scope of application of type is wider.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model；
Fig. 2 is cross-sectional view of the utility model under active venting of dust explosion state；
Fig. 3 is the top view of the utility model；
Fig. 4 is the portion the A enlarged drawing of Fig. 3；
It is identified in figure: 1- valve body, 2- valve chamber, 3- spool, 4- first fluid channel, 5- second fluid channel, 6- third stream
Body channel, the 4th fluid channel of 7-, the second interface channel of 8-, the first interface channel of 9-, 10- seal valve seat, 11- metal o-ring
One, 12- metal o-ring two, 13- valve rod, 14- rotating electric machine, 15- valve deck, 16- sealing ring, 17- guide sleeve, 18- guide rod,
19- spring, 20- top plate, 21- level-one spring cylinder, 22- two-level spring cylinder, 23- outer sleeve, 24- inner sleeve, 25- flange.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Explosion venting valve as shown in Figure 1, 2, the fluid channel for being provided with valve chamber 2 and being conducted with valve chamber 2 in valve body 1, the fluid
Channel includes: first fluid channel 4, second fluid channel 5, third fluid channel 6 and the 4th fluid channel 7, wherein second
6 coaxial line of body channel 5 and third fluid channel, first fluid channel 4, second fluid channel 5 and the 4th fluid channel 7 are respectively
Respective axes are vertical two-by-two, and the 4th fluid channel 7 is connected with passive venting of dust explosion mechanism.
Spool 3 is sphere, is located in valve chamber 2, and sealing device, one end of valve rod 13 are equipped between spool 3 and valve body 1
It links with spool 3, the other end passes through valve body 1 and links with rotating electric machine 14, and spool 3 is equipped with T-type interface channel, which connects
Connecting road includes the first interface channel 9 and the second interface channel 8, and the second interface channel 8 penetrates through spool 3,9 institute of the first interface channel
In axis perpendicular to the axis of the second interface channel 8, the first interface channel 9 is connected with first fluid channel 4 always.
Interface channel and the cross sectional shape of fluid channel open end be all it is round, the opened end section diameter of interface channel and
The opened end section diameter of fluid channel is equal.
Sealing device includes: seal valve seat 10, metal o-ring 1 and metal o-ring 2 12, first fluid channel 4
It is provided with valve seat slot with the junction of the first interface channel 9 and valve rod 13 and spool 3, the seal valve seat 10 of ring structure is installed
In in valve seat slot, metal o-ring 1 is set between seal valve seat 10 and valve body 1, metal is set between seal valve seat 10 and spool 3
Sealing ring 2 12.
Passive venting of dust explosion mechanism is as shown in Figure 3,4 comprising: valve deck 15, guide sleeve 17, guide rod 18, top plate 20, level-one spring
Cylinder 21 and two-level spring cylinder 22；
Guide sleeve 17 is connected on valve deck 15, guide rod 18 connects valve deck 15, guide sleeve 17 and top plate 20, and logical with fluid outlet
Road is connected；
Sealing ring 16 is set between valve deck 15 and fluid outlet channels；
Level-one spring cylinder 21 and two-level spring cylinder 22 are set between valve deck 15 and top plate 20, by the spring 19 of preload, outside
Sleeve 23 and inner sleeve 24 form.
Valve body 1 is connect by flange 25 with broken box body, guarantees to connect inside first fluid channel 4 and crusher.
The working principle of the utility model are as follows:
Under normal condition, 8 one end of the second interface channel of spool 3 and the 4th fluid channel 7 are communicated, and with passive venting of dust explosion machine
It is configured to sealing cooperation, the other end and valve body 1 of the second interface channel 8 constitute sealing cooperation；Crusher is detected by sensor
The pressure signal and oxygen concentration signals of interior detonation initial phase, inputs a signal into centralized control unit to trigger rotating electric machine
14 driving stems 13, band movable valve plug 3, which is rotated by 90 °, reaches open state, realizes active venting of dust explosion.
As shown in Fig. 2, the second interface channel 8, second fluid channel 5 are connected with third fluid channel 6, high pressure gas from
First fluid channel 4 enters spool 3, by the second interface channel 8 simultaneously from second fluid channel 5 and third fluid channel 6
Circular open ends release；When pressure and concentration reach safety value in sensor detection detection crusher, input signal to center
Control unit triggering 14 driving stem 13 of rotating electric machine is rotated by 90 ° with movable valve plug 3, returns to normal condition.
When active venting of dust explosion thrashing, can not in time rotational valve core 3 when, can use passive venting of dust explosion mechanism realization and passively let out
It is quick-fried.Under the action of high pressure gas, the valve deck 15 in passive type spring venting of dust explosion mechanism overcomes initial tension of spring to be jacked up, and pushes one
Grade spring cylinder 21 is axially moved along guide rod 18, discharges crusher internal high temperature high pressure gas outward, also useful at top plate 20
In the two-level spring cylinder 22 of buffering.Valve deck 15 can push back rapidly original preload shape under spring force after pressure release
State, it is automatic to restore sealing.
The above is only the preferred embodiment of the utility model, it is noted that attached drawing does not have to specific embodiment
In limitation the utility model, for those skilled in the art, before not departing from the utility model principle
Several improvement can also be carried out by putting, these improvement also should be regarded as the protection scope of the utility model.
Claims (5)
1. a kind of explosion venting valve that the master for old metal crusher passively combines, mainly by valve body (1), be placed in valve body (1)
The valve rod (13) of spool (3), rotating electric machine (14) and connection spool (3) and rotating electric machine (14) forms, which is characterized in that
The explosion venting valve further includes passive venting of dust explosion mechanism；
Valve chamber (2) in valve body (1) is communicated with the outside world by fluid channel, and the fluid channel includes: that two axial lines are mutually perpendicular to
Fluid outlet channels and the axis fluid inlet channel vertical with two fluid outlet channels；
The passive venting of dust explosion mechanism is connected with a fluid outlet channels；
T-type interface channel is provided with inside spool (3), rotating electric machine (14), which turns spool (3), makes the T-type interface channel connection not
Same fluid outlet channels, the fluid inlet channel are connected with the T-type interface channel always.
2. the explosion venting valve that the master according to claim 1 for old metal crusher passively combines, which is characterized in that
The fluid channel further includes the fluid of one with the fluid outlet channels coaxial line for being not connected with the passive venting of dust explosion mechanism
Exit passageway, two are not connected with fluid outlet channels perforation valve body (1) of passive venting of dust explosion mechanism.
3. the explosion venting valve that the master according to claim 1 or 2 for old metal crusher passively combines, which is characterized in that
The passive venting of dust explosion mechanism includes: valve deck (15), guide sleeve (17), guide rod (18), top plate (20), level-one spring cylinder (21)
With two-level spring cylinder (22)；
Connect guide sleeve (17) on valve deck (15), guide rod (18) connects valve deck (15), guide sleeve (17) and top plate (20), and with stream
Body exit passageway is connected；
Sealing ring (16) are set between valve deck (15) and fluid outlet channels；
Level-one spring cylinder (21) and two-level spring cylinder (22) are set between valve deck (15) and top plate (20), by the spring of preload
(19), outer sleeve (23) and inner sleeve (24) composition.
4. the explosion venting valve that the master according to claim 3 for old metal crusher passively combines, which is characterized in that
Sealing device is set in the explosion venting valve；
The sealing device includes: seal valve seat (10), metal o-ring one (11) and metal o-ring two (12)；
The fluid inlet channel and spool (3) and valve rod (13) junction, are respectively provided with ring junction between spool (3) and valve body (1)
The seal valve seat (10) of structure；
Metal o-ring one (11) are set between seal valve seat (10) and valve body (1), gold is set between seal valve seat (10) and spool (3)
Belong to sealing ring two (12).
5. the explosion venting valve that the master according to claim 3 for old metal crusher passively combines, which is characterized in that valve deck
It (15) is pyramidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820800043.1U CN208381381U (en) | 2018-05-28 | 2018-05-28 | A kind of explosion venting valve that the master for old metal crusher passively combines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820800043.1U CN208381381U (en) | 2018-05-28 | 2018-05-28 | A kind of explosion venting valve that the master for old metal crusher passively combines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208381381U true CN208381381U (en) | 2019-01-15 |
Family
ID=64969054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820800043.1U Expired - Fee Related CN208381381U (en) | 2018-05-28 | 2018-05-28 | A kind of explosion venting valve that the master for old metal crusher passively combines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208381381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953074A (en) * | 2021-10-22 | 2022-01-21 | 福州大学 | Explosion pressure release compensating device |
-
2018
- 2018-05-28 CN CN201820800043.1U patent/CN208381381U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953074A (en) * | 2021-10-22 | 2022-01-21 | 福州大学 | Explosion pressure release compensating device |
| CN113953074B (en) * | 2021-10-22 | 2022-09-30 | 福州大学 | Explosion pressure release compensating device |
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| 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: 20190115 |