CN209705304U - Coal gas supports valve - Google Patents
Coal gas supports valve Download PDFInfo
- Publication number
- CN209705304U CN209705304U CN201920001648.9U CN201920001648U CN209705304U CN 209705304 U CN209705304 U CN 209705304U CN 201920001648 U CN201920001648 U CN 201920001648U CN 209705304 U CN209705304 U CN 209705304U
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- Prior art keywords
- valve
- valve body
- arc
- butterfly plate
- mandril
- Prior art date
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- Withdrawn - After Issue
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- 239000003034 coal gas Substances 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000007480 spreading Effects 0.000 claims abstract description 34
- 238000012423 maintenance Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 10
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model provides a kind of coal gas support valve, it includes main valve driving device, valve rod, upper valve body, lower valve body, valve spreading mechanism, arc butterfly plate and guiding device, it is moved up and down using main valve driving device driving stem, valve rod pushes valve spreading mechanism to open to both sides, to drive the arc butterfly plate for being fixed on valve spreading mechanism two sides from the gas piping opening that bowl-type becomes that a plane is attached to lower valve body.The utility model has many advantages, such as ingenious in design, precise structure, easy to operate, good airproof performance, increases maintenance safety.
Description
Technical field
The utility model belongs to gas piping field, supports valve especially in regard to a kind of coal gas for needing to be truncated coal gas circulation.
Background technique
In the prior art, it when gas piping needs to cut off and repair, is typically blocked using gate valve, still
Gate valve has dust entrance in continuous switching process, generates abrasion to gate valve with gate valve friction, leakproofness is caused to be destroyed,
To cause gas leak, meeting open fire has explosion danger.
Utility model content
The purpose of the utility model is to provide a kind of ingenious in design, precise structure, easy to operate, good airproof performance, increase dimension
Repair the coal gas support valve of safety.
To reach above-mentioned purpose, the utility model adopts the following technical solution: the utility model provides a kind of coal gas support valve,
It includes main valve driving device, valve rod, upper valve body, lower valve body, valve spreading mechanism, arc butterfly plate and guiding device,
The main valve driving device is set to top, is connected with the valve rod of bottom, and driving stem moves up and down,
The valve rod is passed down through the upper valve body, and puts in the lower valve body, the hollow setting of upper valve body, described
Lower valve body and the upper valve body are tightly connected, and the lower valve body is gas passage pipeline,
The valve spreading mechanism is sheathed on the stem bottom, and is fixedly linked with the arc butterfly plate of two sides,
The arc butterfly plate is set as bowl-like shape, and the centre of protrusion is connected with the valve spreading mechanism, institute
The diameter for stating arc butterfly plate is identical as the pipe diameter size of the lower valve body, and the arc butterfly plate can the completely cut off lower valve
The pipeline tapping of body,
The guiding device includes guide rod and guide sleeve, and the guide rod is fixed on the bottom of the valve spreading mechanism, institute
The bottom for stating guide rod is set as taper, and the guide sleeve is set to the lower valve body bottom, the guide sleeve and the lower valve body
It is tightly connected,
The main valve driving device drives the valve rod to move down, and the valve rod drives the valve spreading mechanism and arc
Shape butterfly plate moves downwardly together, until the guide rod is inserted into the guide sleeve, the valve rod continues to move down, the valve is supportted
Opening mechanism is pushed open to two sides, and the valve spreading mechanism is then by the arc butterfly plate of two sides outwardly against against the lower valve
Body, the pipeline tapping of the lower valve body of arc butterfly plate truncation two sides, prevents the coal gas in pipeline from passing through；
The main valve driving device drives the valve rod to move up, and the valve rod is taken out from the valve spreading mechanism
It returns, the valve spreading mechanism is tightened to centre, and the arc butterfly plate reverts back to bowl-type, and the arc butterfly plate and institute
It states valve spreading mechanism to move upwards under the drive of the valve rod, enter until the arc butterfly plate leaves the lower valve body completely
In the upper valve body, the pipeline of the lower valve body is connected to, and coal gas goes into circulation.
Further, the valve spreading mechanism includes middle chamber, chamber lid, mandril, top stem casing, lumen cover board and cover board
Pedestal,
The lower part of the valve rod is set as minor diameter and step is formed at the valve rod top, and the lower part of the valve rod is also set up
There is a circle valve rod boss, the first groove is formed at the top of the valve rod boss and the valve rod,
The middle chamber is sheathed on the lower part of the valve rod, and the chamber lid is fastened in first groove, the chamber lid with
It being bolted to connection at the top of the middle chamber, the top of the middle chamber and the chamber lid are arranged to form the second groove,
The valve rod boss is fastened in second groove, and the lower part of the middle chamber is provided with third groove,
The top stem casing is symmetrical set, and the top stem casing passes through the third groove and welds with the middle chamber solid
It is fixed,
The mandril is equally symmetrical arranged, and is each passed through the top stem casing, and the protruding end of mandril is provided with one
Circle protrusion,
Cover board pedestal one end is provided with step and engages with the protrusion on the mandril, the other end of the cover board pedestal
It is welded and fixed across the arc butterfly plate and with the arc butterfly plate,
The lumen cover board is covered in the other end of the cover board pedestal, and is fixed by the bolt, the middle chamber lid
It is sealed between plate and the cover board pedestal using O-ring,
The lumen cover board is set to the center of the arc butterfly plate.
Further, the bottom of the valve rod is set as conical by its shape, and the two sides mandril is set as and the taper
The tapered surface that angle matches, the top stem casing of the two sides are set as the tapered surface of angle same as the mandril.
Further, the angle of taper of the valve rod is 12.5 °.
It further, further include having hollow pin, the hollow pin is respectively arranged at two sides top stem casing bottom, and to described
It is stretched out in top stem casing, the mandril bottom is provided with the mandril slot of bar shaped, and the hollow pin is put in the mandril slot, described in prevention
The rotation of mandril.
Further, the outboard end middle position of the mandril is provided with arc convex.
Further, the edge of the arc butterfly plate is provided with silica gel ring and is sealed.
It further, further include having butterfly spring rebounding device, the butterfly spring rebounding device is symmetrically disposed on the middle chamber lid
On the arc butterfly plate of plate two sides, and the middle position between the lumen cover board and arc butterfly plate edge,
The butterfly spring rebounding device includes butterfly spring set, butterfly spring pressing plate, butterfly spring group, pin shaft and round nut,
The butterfly spring set is fixedly arranged on respectively on the arc butterfly plate of two sides,
The pin shaft is consolidated from the butterfly spring set that the butterfly spring set of side protrudes into the other side, and with the round nut
It is fixed, it is provided with butterfly spring group between the both ends end of the pin shaft and the corresponding butterfly spring set,
The butterfly spring pressing plate is covered in the butterfly spring and puts on, and blending bolt tightens fixation, the butterfly spring pressing plate and the butterfly
It is sealed between spring set using O-ring.
Further, further include having water-level detecting device, the water-level detecting device include inlet valve, outlet valve,
Maintenance liquidometer, full-water level magnetic switch, safety level magnetic switch and zero level magnetic switch,
The inlet valve is set to the lower part of the upper valve body, is intake by the inlet valve into the upper valve body,
The outlet valve is set to the guide sleeve bottom, and the outlet valve releases the upper and lower intracorporal water of valve,
The maintenance liquidometer is connected to the lower part of the upper valve body and the bottom of the lower valve body,
The full-water level magnetic switch is set to the position for being highly lower than the inlet valve on the maintenance liquidometer,
And the height of the full-water level magnetic switch is higher than the bottom position of the upper valve body, and the full-water level magnetic switch detects full-water level
Signal,
The safety level magnetic switch is set to the position for being located at the lower valve body overhead height on the maintenance liquidometer
It sets, the signal of the safety level magnetic switch detection safety level,
The zero level magnetic switch is set to the position for being located at the lower valve body bottom level on the maintenance liquidometer
On, the signal of the zero level magnetic switch detection zero level.
Further, hold-down grid is provided at the top of the upper valve body, the hold-down grid and the upper valve body use
Packing seal.
Compared with prior art, the utility model has the following beneficial effects:
1. it is precise structure, ingenious in design, it is suitable for industrial application and large-scale promotion.
2. it is easy to operate, it is convenient to carry out, gas piping can control by the lifting that main valve driving device manipulates valve rod
Connection or cutting.
3. good airproof performance, while cutting off gas leak using water seal, also using silica gel ring, O-ring and filler to it
It carries out multi-sealed, preferably prevents the leakage of coal gas.
4. increasing service life, it is therefore prevented that abrasion caused by the friction with dust, it is longer using the time.
5. improve maintenance of equipment safety, after gas piping is truncated arc butterfly plate, to two between fill the water carry out
Water seal, coal gas will advance, and must just be introduced into water, once it rises in upper valve body and can not be dissipated outward into coal gas in water
Ease, to increase the safety of operator's maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model coal gas supports valve.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the structural schematic diagram of valve spreading mechanism in Fig. 1.
Fig. 4 is the structural schematic diagram of butterfly spring rebounding device in Fig. 1.
Appended drawing reference are as follows: main valve driving device 10, valve rod 20, valve rod boss 21, the first groove 22, the second groove 23,
Three grooves 24, upper valve body 30, hold-down grid 31, lower valve body 40, valve spreading mechanism 50, middle chamber 51, chamber lid 52, mandril 53,
Top stem casing 54, lumen cover board 55, cover board pedestal 56, hollow pin 57, mandril slot 58, arc convex 59, arc butterfly plate 60, guiding device
70, guide rod 71 and guide sleeve 72, butterfly spring rebounding device 80, butterfly spring set 81, butterfly spring pressing plate 82, butterfly spring group 83, pin shaft 84 and circle spiral shell
Female 85, water-level detecting device 90, inlet valve 91, outlet valve 92, maintenance liquidometer 93, full-water level magnetic switch 94, safety level
Magnetic switch 95 and zero level magnetic switch 96.
Specific embodiment
For the technical effect for technological means used by the utility model being further described He reaching, below in conjunction with attached drawing and
Embodiment elaborates.
The utility model provides a kind of coal gas support valve, referring to figs. 1 to Fig. 4 comprising have main valve driving device 10, valve rod
20, upper valve body 30, lower valve body 40, valve spreading mechanism 50, arc butterfly plate 60, guiding device 70, butterfly spring rebounding device 80 and water
Level detecting apparatus 90.In one embodiment, main valve driving device 10 is set to top, is connected with the valve rod 20 of bottom, and drive
Ovable valve stem 20 moves up and down.Valve rod 20 is passed down through upper valve body 30, and puts in lower valve body 40, the hollow setting of upper valve body 30, under
Valve body 40 and upper valve body 30 are tightly connected, and lower valve body 40 is gas passage pipeline.Valve spreading mechanism 50 is sheathed on 20 bottom of valve rod
Portion, and be fixedly linked with the arc butterfly plate 60 of two sides.Arc butterfly plate 60 is set as bowl-like shape, the centre of protrusion and valve
Portal bracing opening mechanism 50 is connected, and the diameter of arc butterfly plate 60 and the pipe diameter size of lower valve body 40 are identical, and arc butterfly plate 60 can be complete
The pipeline tapping of full truncation lower valve body 40.The edge of arc butterfly plate 60 is provided with silica gel ring and is sealed.Guiding device 70 includes
Guide rod 71 and guide sleeve 72, guide rod 71 are fixed on the bottom of valve spreading mechanism 50, and the bottom of the guide rod 71 is set as taper,
Guide sleeve 72 is set to 40 bottom of lower valve body, and guide sleeve 72 and lower valve body 40 are tightly connected.It is convenient for for taper the bottom of guide rod 71
It puts in guide sleeve 72, prevents the offset of guide rod 71 from it being caused to cannot be introduced into guide sleeve 72, so as to cause guide rod 71, valve rod 20
It squeezes, damage, causes the damage of whole equipment.
10 driving stem 20 of main valve driving device moves down, and valve rod 20 is with movable valve spreading mechanism 50 and arc butterfly plate 60
It moves downwardly together, until guide rod 71 is inserted into guide sleeve 72, valve rod 20 continues to move down, valve spreading mechanism 50 is pushed away to two sides
It opens, then two sides are truncated outwardly against lower valve body 40, arc butterfly plate 60 is abutted in the arc butterfly plate 60 of two sides by valve spreading mechanism 50
Lower valve body 40 pipeline tapping, prevent pipeline in coal gas pass through；10 driving stem 20 of main valve driving device moves up, valve
Bar 20 is drawn back from valve spreading mechanism 50, and valve spreading mechanism 50 is tightened to centre, and arc butterfly plate 60 reverts back to bowl-type, and
Arc butterfly plate 60 and valve spreading mechanism 50 move upwards under the drive of valve rod 20, until arc butterfly plate 60 leaves lower valve body completely
40 enter in upper valve body, and the pipeline of lower valve body 40 is connected to, and coal gas goes into circulation.
In one embodiment, valve spreading mechanism 50 include middle chamber 51, chamber lid 52, mandril 53, top stem casing 54, in
Chamber lid plate 55, cover board pedestal 56 and hollow pin 57.The lower part of valve rod 20 is set as minor diameter and step, valve rod are formed at 20 top of valve rod
20 lower part is additionally provided with a circle valve rod boss 21, the first groove 22 of top formation of valve rod boss 21 and valve rod 20.Middle chamber
51 are sheathed on the lower part of valve rod 20, and chamber lid 52 is fastened in the first groove 22, and chamber lid 52 and the top of middle chamber 51 are solid by bolt
Fixed connection, the top of middle chamber 51 and the setting of chamber lid 52 form the second groove 23, and valve rod boss 21 is fastened in the second groove 23,
The lower part of middle chamber 51 is provided with third groove 24.Chamber lid 52, and band are jacked up by valve rod boss 21 when valve rod 20 moves upwards
Entire valve spreading mechanism 50, arc butterfly plate 60 and guide rod 71 is moved to move upwards.
Top stem casing 54 is symmetrical set, and top stem casing 54 passes through third groove 24 and is welded and fixed with middle chamber 51.Mandril
53 is same arranged symmetrically, and is each passed through top stem casing 54, and the protruding end of mandril 53 is provided with circle protrusion.Cover board pedestal 56 1
End is provided with step and engages with the protrusion on mandril 53, the other end of cover board pedestal 56 across arc butterfly plate 60 and with arc butterfly plate
60 are welded and fixed.Lumen cover board 55 is covered in the other end of cover board pedestal 56, and is bolted, lumen cover board 55 and cover board
It is sealed between pedestal 56 using O-ring, lumen cover board 55 is set to the center of arc butterfly plate 60.Mandril 53 passes through cover board bottom
Seat 56, lumen cover board 55 are fixedly connected with 60 phase of arc butterfly plate.Hollow pin 57 is respectively arranged at 54 bottom of two sides top stem casing, and to top
It is stretched out in rod set 54,53 bottom of mandril is provided with the mandril slot 58 of bar shaped, and hollow pin 57 is put in mandril slot 58, prevents mandril 53
Rotation.
In one embodiment, the bottom of valve rod 20 is set as conical by its shape, and two sides mandril 53 is set as and angle of taper
The tapered surface to match, the top stem casing 54 of two sides are set as the tapered surface of angle same as mandril.The angle of taper of valve rod is
12.5°.Valve rod 20 preferably makes the movement of pushing by the cooperation of tapered surface to mandril 53, and valve rod is prevented to be pressed on mandril 53
Lead to equipment damage.
In one embodiment, the outboard end middle position of mandril 53 is provided with arc convex 59.Pass through the arc
Protrusion 59 preferably pushes directly on the deformation of arc butterfly plate 60, reduces the abrasion between cover board pedestal 56 and lumen cover board 55.
In one embodiment, butterfly spring rebounding device 80 is symmetrically disposed on the arc butterfly plate 60 of 55 two sides of lumen cover board,
And the middle position between 60 edge of lumen cover board 55 and arc butterfly plate.Butterfly spring rebounding device 80 include butterfly spring set 81,
Butterfly spring pressing plate 82, butterfly spring group 83, pin shaft 84 and round nut 85.Butterfly spring set 81 is fixedly arranged on respectively on the arc butterfly plate 60 of two sides, is sold
Axis 84 is from the butterfly spring set 81 that the butterfly spring set 81 of side protrudes into the other side, and, the both ends end of pin shaft 84 fixed with round nut 85
Butterfly spring group 83 is provided between corresponding butterfly spring set 81.Butterfly spring pressing plate 82 is covered on butterfly spring set 81, and blending bolt is tightened solid
It is fixed, it is sealed between butterfly spring pressing plate 82 and butterfly spring set 81 using O-ring.Butterfly spring rebounding device 80 is assisted using the reaction force of spring
Arc butterfly plate 60 reverts back to bowl-type.
In one embodiment, water-level detecting device 90 include inlet valve 91, outlet valve 92, maintenance liquidometer 93,
Full-water level magnetic switch 94, safety level magnetic switch 95 and zero level magnetic switch 96.Inlet valve 91 is set to the lower part of upper valve body 30,
It is intake by inlet valve 91 into upper valve body 30.Outlet valve 91 is set to 72 bottom of guide sleeve, outlet valve 92 release upper valve body 30,
Water in lower valve body 40.Maintenance liquidometer 93 is connected to the lower part of upper valve body 30 and the bottom of lower valve body 40, full-water level magnetic switch
94 are set to the position for being highly lower than inlet valve 91 on maintenance liquidometer 93, and the height of full-water level magnetic switch 94 is higher than upper
The bottom position of valve body 30, full-water level magnetic switch 94 detect the signal of full-water level, and safety level magnetic switch 95 is set to maintenance
It is located at the position of 40 overhead height of lower valve body on liquidometer 93, safety level magnetic switch 95 detects the signal of safety level, zero water
Position magnetic switch 96 is set on maintenance liquidometer 93 on the position of 40 bottom level of lower valve body, and zero level magnetic switch 96 is examined
Survey the signal of zero level.
In one embodiment, the top of upper valve body 30 is provided with hold-down grid 31, and hold-down grid 31 and upper valve body use
Packing seal.Hold-down grid 31 is sealed at the top of upper valve body 30, increases the seal protection layer of whole equipment, is improved whole
Safety.
Above description sufficiently discloses specific embodiment of the present utility model.It should be pointed out that being familiar with the neck
Right of any change that the technical staff in domain does specific embodiment of the present utility model all without departing from the utility model
The range of claim.Correspondingly, the scope of the claims of the utility model is also not limited only to aforementioned specific embodiment party
Formula.
Claims (10)
1. a kind of coal gas supports valve, it is characterised in that: it includes main valve driving device, valve rod, upper valve body, lower valve body, valve support
Opening mechanism, arc butterfly plate and guiding device,
The main valve driving device is set to top, is connected with the valve rod of bottom, and driving stem moves up and down,
The valve rod is passed down through the upper valve body, and puts in the lower valve body, the hollow setting of upper valve body, the lower valve
Body and the upper valve body are tightly connected, and the lower valve body is gas passage pipeline,
The valve spreading mechanism is sheathed on the stem bottom, and is fixedly linked with the arc butterfly plate of two sides,
The arc butterfly plate is set as bowl-like shape, and the centre of protrusion is connected with the valve spreading mechanism, the arc
The diameter of shape butterfly plate is identical as the pipe diameter size of the lower valve body, and the arc butterfly plate can the completely cut off lower valve body
Pipeline tapping,
The guiding device includes guide rod and guide sleeve, and the guide rod is fixed on the bottom of the valve spreading mechanism, described to lead
The bottom of bar is set as taper, and the guide sleeve is set to the lower valve body bottom, and the guide sleeve and the lower valve body seal
Connection,
The main valve driving device drives the valve rod to move down, and the valve rod drives the valve spreading mechanism and arc butterfly
Plate moves downwardly together, until the guide rod is inserted into the guide sleeve, the valve rod continues to move down, and the valve is strutted machine
Structure is pushed open to two sides, and the valve spreading mechanism is then by the arc butterfly plate of two sides outwardly against against the lower valve body, institute
The pipeline tapping for stating the lower valve body of arc butterfly plate truncation two sides, prevents the coal gas in pipeline from passing through；
The main valve driving device drives the valve rod to move up, and the valve rod is drawn back from the valve spreading mechanism, institute
It states valve spreading mechanism to tighten to centre, the arc butterfly plate reverts back to bowl-type, and the arc butterfly plate and valve support
Opening mechanism moves upwards under the drive of the valve rod, until the arc butterfly plate leaves the lower valve body into the upper valve completely
In body, the pipeline of the lower valve body is connected to, and coal gas goes into circulation.
2. coal gas according to claim 1 supports valve, it is characterised in that: the valve spreading mechanism includes middle chamber, chamber
Lid, mandril, top stem casing, lumen cover board and cover board pedestal,
The lower part of the valve rod is set as minor diameter and step is formed at the valve rod top, and the lower part of the valve rod is additionally provided with one
Valve rod boss is enclosed, the first groove is formed at the top of the valve rod boss and the valve rod,
The middle chamber is sheathed on the lower part of the valve rod, and the chamber lid is fastened in first groove, the chamber lid with it is described
It is bolted to connection at the top of middle chamber, the top of the middle chamber and the chamber lid are arranged to form the second groove, described
Valve rod boss is fastened in second groove, and the lower part of the middle chamber is provided with third groove,
The top stem casing is symmetrical set, and the top stem casing passes through the third groove and is welded and fixed with the middle chamber,
The mandril is equally symmetrical arranged, and is each passed through the top stem casing, and it is convex that the protruding end of mandril is provided with a circle
It rises,
Cover board pedestal one end is provided with step and engages with the protrusion on the mandril, and the other end of the cover board pedestal passes through
The arc butterfly plate is simultaneously welded and fixed with the arc butterfly plate,
The lumen cover board is covered in the other end of the cover board pedestal, and is fixed by the bolt, the lumen cover board with
It is sealed between the cover board pedestal using O-ring,
The lumen cover board is set to the center of the arc butterfly plate.
3. coal gas according to claim 2 supports valve, it is characterised in that: the bottom of the valve rod is set as conical by its shape, institute
It states two sides mandril and is set as the tapered surface to match with the angle of taper, the top stem casing of the two sides is set as and the mandril
The tapered surface of same angle.
4. coal gas according to claim 3 supports valve, it is characterised in that: the angle of taper of the valve rod is 12.5 °.
5. coal gas according to claim 2 supports valve, it is characterised in that: it further includes having hollow pin, and the hollow pin is respectively set
It is stretched out in two sides top stem casing bottom, and into the top stem casing, the mandril bottom is provided with the mandril slot of bar shaped, described
Hollow pin is put in the mandril slot, prevents the rotation of the mandril.
6. coal gas according to claim 2 supports valve, it is characterised in that: the outboard end middle position of the mandril is provided with
Arc convex.
7. coal gas according to claim 2 supports valve, it is characterised in that: the edge of the arc butterfly plate be provided with silica gel ring into
Row sealing.
8. coal gas according to claim 2 supports valve, it is characterised in that: it further includes having butterfly spring rebounding device, the butterfly spring
Rebounding device is symmetrically disposed on the arc butterfly plate of lumen cover board two sides, and is located at the lumen cover board and the arc
Middle position between shape butterfly plate edge,
The butterfly spring rebounding device includes butterfly spring set, butterfly spring pressing plate, butterfly spring group, pin shaft and round nut,
The butterfly spring set is fixedly arranged on respectively on the arc butterfly plate of two sides,
The pin shaft is fixed, institute from the butterfly spring set that the butterfly spring set of side protrudes into the other side with the round nut
It states and is provided with butterfly spring group between the both ends end of pin shaft and the corresponding butterfly spring set,
The butterfly spring pressing plate is covered in the butterfly spring and puts on, and blending bolt tightens fixation, the butterfly spring pressing plate and the butterfly spring set
Between using O-ring seal.
9. coal gas according to claim 1 supports valve, it is characterised in that: it further includes having water-level detecting device, the water level
Detection device includes inlet valve, outlet valve, maintenance liquidometer, full-water level magnetic switch, safety level magnetic switch and zero level
Magnetic switch,
The inlet valve is set to the lower part of the upper valve body, is intake by the inlet valve into the upper valve body,
The outlet valve is set to the guide sleeve bottom, and the outlet valve releases the upper and lower intracorporal water of valve,
The maintenance liquidometer is connected to the lower part of the upper valve body and the bottom of the lower valve body,
The full-water level magnetic switch is set to the position for being highly lower than the inlet valve on the maintenance liquidometer, and described
The height of full-water level magnetic switch is higher than the bottom position of the upper valve body, and the full-water level magnetic switch detects the signal of full-water level,
The safety level magnetic switch is set to the position for being located at the lower valve body overhead height on the maintenance liquidometer, institute
The signal of safety level magnetic switch detection safety level is stated,
The zero level magnetic switch is set on the maintenance liquidometer on the position of the lower valve body bottom level, institute
State the signal of zero level magnetic switch detection zero level.
10. coal gas according to claim 1 supports valve, it is characterised in that: it is provided with hold-down grid at the top of the upper valve body,
The hold-down grid and the upper valve body use packing seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920001648.9U CN209705304U (en) | 2019-01-02 | 2019-01-02 | Coal gas supports valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920001648.9U CN209705304U (en) | 2019-01-02 | 2019-01-02 | Coal gas supports valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209705304U true CN209705304U (en) | 2019-11-29 |
Family
ID=68639065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920001648.9U Withdrawn - After Issue CN209705304U (en) | 2019-01-02 | 2019-01-02 | Coal gas supports valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209705304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654238A (en) * | 2019-01-02 | 2019-04-19 | 盐城宝德冶金设备有限公司 | Coal gas supports valve |
-
2019
- 2019-01-02 CN CN201920001648.9U patent/CN209705304U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654238A (en) * | 2019-01-02 | 2019-04-19 | 盐城宝德冶金设备有限公司 | Coal gas supports valve |
| CN109654238B (en) * | 2019-01-02 | 2024-02-13 | 盐城宝德冶金设备有限公司 | Gas supporting valve |
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