CN112161067B - Poppet valve device for use in corrosive gas - Google Patents
Poppet valve device for use in corrosive gas Download PDFInfo
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- CN112161067B CN112161067B CN202011088665.4A CN202011088665A CN112161067B CN 112161067 B CN112161067 B CN 112161067B CN 202011088665 A CN202011088665 A CN 202011088665A CN 112161067 B CN112161067 B CN 112161067B
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- valve plate
- connecting arm
- wall
- sealing
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- 210000004907 gland Anatomy 0.000 claims abstract description 135
- 238000007789 sealing Methods 0.000 claims abstract description 114
- 239000007789 gas Substances 0.000 claims description 62
- 238000009434 installation Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
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- 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
- F16K1/32—Details
-
- 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
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
-
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
-
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/08—Spindle sealings with stuffing-box ; Sealing rings with at least one ring provided with axially-protruding peripheral closing-lip
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a poppet valve device applied to corrosive gas, which comprises a gland I and a valve plate, wherein two setting schemes are provided, namely: the gland I is sleeved with a connecting arm, a threaded section at the lower part of the connecting arm is sleeved with an adjusting rod, a positioning stop block at the bottom of the adjusting rod is sleeved with a movable sleeve, the movable sleeve is fixedly connected with a valve plate, a sealing ring and a gland II are arranged on the gland I, the top of the connecting arm is connected with a piston rod through a shaft sleeve, and the piston rod is sleeved with a cylinder; scheme II: the gland I is sleeved with the connecting arm, the lower thread section of the connecting arm is used for fixing the valve plate through the positioning nut, and the rest is the same as the scheme one. According to the novel sealing structure, the sealing ring is clamped by the double-layer cover, so that the lifting executing mechanism (namely the air cylinder) of the valve plate is thoroughly isolated from the corrosive gas area; the height of the valve plate is adjusted through the adjusting nut and the adjusting rod so as to adapt to corrosive gas channel cavities with different heights; the invention can be applied in special environments such as corrosion, has good sealing effect, long service life and low cost, and is convenient for subsequent use, maintenance or replacement.
Description
Technical Field
The invention relates to the technical field of gas treatment valves, in particular to a poppet valve device applied to corrosive gas.
Background
Push-plate poppet valves are the most commonly used valve bodies in organic waste gas remediation processes. Usually, the switching times of a valve body can reach millions of switching service lives, and maintenance or accessory replacement is not needed until power elements such as a cylinder leak. However, the valve body can be used normally and stably basically after millions of replacement parts are used due to stable performance. And the characteristics of excellent performance, long service life and good sealing performance are all the time used.
However, the push plate valve exposed in the high-corrosion gas can be corroded and blocked, can not be freely opened and closed, and has faults, so that the whole equipment stops running to cause accidents; the leakage of corrosive gas can be possibly caused to generate harm, and the treatment can not achieve ideal effect; in addition, the maintenance and the replacement are very inconvenient, and the control parts are easy to be blocked due to high corrosion gas, so that faults cause delay and loss to production tasks. Overall, the problem of the existing poppet valves that the cylinder components are susceptible to corrosion is also evident and needs to be addressed.
Disclosure of Invention
The present invention aims to solve the drawbacks of the prior art and proposes a poppet valve arrangement for use in corrosive gases.
In order to achieve the above purpose, the present invention adopts the following two types of technical solutions:
Scheme one:
the poppet valve device applied to the corrosive gas comprises a gland I fixedly connected to the upper surface of the top wall of the corrosive gas channel cavity and a valve plate covered above the opening of the bottom wall of the corrosive gas channel cavity, wherein the surface size of the valve plate is larger than the inner diameter of the opening of the bottom wall of the corrosive gas channel cavity, the center of the gland I is sleeved with a connecting arm, the lower part of the connecting arm is provided with a threaded section, the outer diameter of the threaded section is smaller than the smooth outer wall section of the upper part of the connecting arm, the bottom end of the connecting arm is sleeved with an adjusting rod through threads, the bottom end of the adjusting rod is provided with a positioning stop block, the outer surface mask of the upper part of the positioning stop block is provided with a movable sleeve, the adjusting rod is fixedly connected with the valve plate through the movable sleeve, and the contact part of the valve plate and the bottom wall of the corrosive gas channel cavity is lined with a sealing rubber layer;
The movable sleeve and the valve plate are respectively provided with a flange hole I which is parallel to the length direction of the adjusting rod, the movable sleeve and the valve plate are attached together through a sealing bolt, the bottom surface of the movable sleeve is provided with a reducing groove which is in sealing sleeve joint with the positioning stop block, the top end surface of the adjusting rod is provided with an internal thread groove which is in sleeve joint with the thread section of the connecting arm, an adjusting nut which is in sleeve joint with the thread section of the connecting arm is arranged above the adjusting rod, and the adjusting nut is used for positioning the adjusting rod so as to adjust the height of the valve plate, so that the adjustable sleeve is suitable for corrosive gas channel cavities with different heights;
The center of the gland I is movably sleeved at the middle position of the smooth outer wall section of the connecting arm, a gland II is arranged above the gland I, a sealing ring is arranged between the gland I and the gland II in a sleeved mode, smooth through holes which are in sealing connection with the smooth outer wall section of the connecting arm are respectively arranged at the center positions of the gland II and the sealing ring, flange holes II are formed in the periphery of the surface of the gland II, corresponding flange holes II are formed in the position, close to the connecting arm, of the surface of the gland I, the gland I and the gland II are fixedly connected through bolts at the positions of the flange holes II, the sealing ring is positioned at the inner side positions of the bolts at the positions of the flange holes II, flange holes III are formed in the periphery of the surface of the gland I, and the gland I is fixedly connected to the top wall of the corrosive gas channel cavity through bolts at the positions of the flange holes III;
The gland I upper surface has set firmly the cylinder bracket, the cylinder bracket comprises stabilizer blade and the layer board of setting on the stabilizer blade top, stabilizer blade bottom mounting sets up the position between flange hole II and flange hole III, the layer board upper surface has the cylinder through the screw rigid coupling, the screw wears to and the rigid coupling in the screw on the cylinder bottom surface from the layer board lower surface, the cylinder bottom terminal surface has cup jointed the piston rod, the layer board below is worn to the piston rod bottom, the linking arm top rigid coupling has the axle sleeve, the piston rod bottom seals cup joints inside the axle sleeve, the axle sleeve perisporium is equipped with the fixed pin, the lateral wall of piston rod lower part is equipped with the pinhole that cup joints with the fixed pin.
Aiming at the sealing condition between the gland I and the gland II in actual use, the invention adopts two gland sealing structures:
1. The common gland seal structure that the elementary product adopted: the gland I and the gland II are flange sheets, and the sealing ring is a cylindrical sealing body with a certain height and a large wall thickness. The cylindrical sealing body is characterized by simple structure and convenient installation, but requires better recovery performance, otherwise, the cylindrical sealing body is easy to deform after being extruded for a plurality of times, so that the risk of sealing is not tight.
2. Novel gland seal structure that the product adopted after the upgrading: the gland I is in the shape of a flange pipe, the gland I consists of a flange piece I and a sealing pipe arranged in the center of the upper surface of the flange piece I, the sealing ring is in the shape of a circular pipe with a certain height and a smaller wall thickness, a retainer ring strip is arranged at the bottom of the inner wall of the sealing pipe, the bottom wall of the sealing ring is in contact with the retainer ring strip, the outer wall of the sealing ring is in contact with the inner wall of the sealing pipe, the inner wall of the sealing ring is in contact with the smooth outer wall section of the connecting arm, the gland II consists of a flange piece II and a boss arranged in the center of the lower surface of the flange piece II, the outer side wall of the boss is clamped at the top opening of the sealing pipe, and the bottom wall of the boss is in contact with the top wall of the sealing ring. The sealing device has the characteristics of strong sealing performance, smaller pressure on the sealing ring, effectively prolonged service life of the sealing ring, and capability of clamping the boss of the gland II at the top opening of the sealing tube in an interference manner during actual use so as to further improve the sealing performance.
The two gland sealing structures have advantages and disadvantages, and the two gland sealing structures need to be screened according to actual sealing requirements and process cost.
Preferably, the upper surface and the lower surface of the adjusting nut are respectively provided with an anti-slip gasket so as to improve the positioning anti-slip performance of the adjusting nut, the heights of the adjusting rod and the valve plate can be determined through the adjusting nut so as to adapt to corrosive gas channel cavities with different heights, so that the adjusting nut and the adjusting rod adjust the vertical distance between the gland I and the valve plate when the adjusting nut and the adjusting rod are closed, and the function of pneumatically pushing the valve plate to close or pulling the valve plate to open can be realized through the movement of the air cylinder.
Preferably, the contact surface of the movable sleeve and the valve plate is lined with a rubber layer to improve the tightness between the movable sleeve and the valve plate.
Scheme II:
The poppet valve device applied to the corrosive gas comprises a gland I fixedly connected to the upper surface of the top wall of the corrosive gas channel cavity and a valve plate covered above the opening of the bottom wall of the corrosive gas channel cavity, wherein the surface size of the valve plate is larger than the inner diameter of the opening of the bottom wall of the corrosive gas channel cavity, the center of the gland I is sleeved with a connecting arm, the lower part of the connecting arm is provided with a threaded section, the outer diameter of the threaded section is smaller than the smooth outer wall section of the upper part of the connecting arm, the center of the valve plate is provided with a threaded through hole corresponding to the threaded section of the connecting arm, the part of the threaded section of the connecting arm extending out of the lower part of the valve plate is sleeved with a positioning nut through threads, and the contact part of the valve plate and the bottom wall of the corrosive gas channel cavity is lined with a sealing rubber layer;
The center of the gland I is movably sleeved at the middle position of the smooth outer wall section of the connecting arm, a gland II is arranged above the gland I, a sealing ring is arranged between the gland I and the gland II in a sleeved mode, smooth through holes which are in sealing connection with the smooth outer wall section of the connecting arm are respectively arranged at the center positions of the gland II and the sealing ring, flange holes II are formed in the periphery of the surface of the gland II, corresponding flange holes II are formed in the position, close to the connecting arm, of the surface of the gland I, the gland I and the gland II are fixedly connected through bolts at the positions of the flange holes II, the sealing ring is positioned at the inner side positions of the bolts at the positions of the flange holes II, flange holes III are formed in the periphery of the surface of the gland I, and the gland I is fixedly connected to the top wall of the corrosive gas channel cavity through bolts at the positions of the flange holes III;
The gland I upper surface has set firmly the cylinder bracket, the cylinder bracket comprises stabilizer blade and the layer board of setting on the stabilizer blade top, stabilizer blade bottom mounting sets up the position between flange hole II and flange hole III, the layer board upper surface has the cylinder through the screw rigid coupling, the screw wears to and the rigid coupling in the screw on the cylinder bottom surface from the layer board lower surface, the cylinder bottom terminal surface has cup jointed the piston rod, the layer board below is worn to the piston rod bottom, the linking arm top rigid coupling has the axle sleeve, the piston rod bottom seals cup joints inside the axle sleeve, the axle sleeve perisporium is equipped with the fixed pin, the lateral wall of piston rod lower part is equipped with the pinhole that cup joints with the fixed pin.
Preferably, a rubber gasket is arranged between the bottom end of the smooth outer wall section of the connecting arm and the upper surface of the valve plate, and the rubber gasket is also arranged between the lower surface of the valve plate and the top surface of the positioning nut in a cushioning manner so as to improve the tightness between the valve plate and the threaded section of the connecting arm.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention adds the adjusting rod to the cylinder in the existing lift valve, extends to the corrosive gas for sealing, and thoroughly isolates the cylinder component and the corrosive gas through the special double-layer gland sealing structure, so that the corrosive gas only contacts the adjusting rod and the valve plate component with lower price. When in use, the corrosion-resistant treatment can be carried out on the parts contacted with the corrosive gas, and the actuating mechanism of the air cylinder is not contacted with the corrosive gas when the flow direction of the corrosive gas is switched on.
2. The invention also provides two novel sealing structures with the sealing rings clamped by the double-layer gland, and the metal material is utilized to expand with heat and contract with cold at high temperature, so that the rotating shaft can move freely in the high-temperature soft packing at high temperature, and when the valve plate is pushed to a certain position, the valve plate is limited by the limiting plate to reach the critical point of zero leakage.
3. In the scheme I of the invention, the height of the valve plate can be adjusted through the adjusting nut and the adjusting rod, and the function of pneumatically pushing the valve plate to close or pulling the valve plate to open can be realized through the movement of the air cylinder, so that the device is suitable for corrosive gas channel cavities with different heights.
4. Therefore, the poppet valve device can be applied in special environments such as corrosion, has good sealing effect, prolongs the service life, is convenient to use, repair and maintain or replace in the future, greatly reduces the cost and has wider application range.
Drawings
FIG. 1 is a schematic view of a poppet valve apparatus (with an adjusting rod) for use in corrosive gas according to a first embodiment of the present invention;
FIG. 2 is an assembled schematic diagram of a novel gland seal structure employed in the upgraded product of the present invention;
FIG. 3 is a block diagram showing the installation of a valve plate in a poppet valve apparatus for use in corrosive gas according to a first embodiment of the present invention;
Fig. 4 is a schematic structural diagram of a poppet valve device (without an adjusting rod) applied in corrosive gas according to a second embodiment of the present invention.
In the figure: the device comprises a corrosive gas channel cavity 1, a gland I2, a valve plate 3, a connecting arm 4, an adjusting rod 5, a positioning stop block 6, a movable sleeve 7, a reducing groove 8, an internal thread groove 9, an adjusting nut 10, a gland II 11, a sealing ring 12, a flange hole I13, a flange hole II 14, a flange hole III 15, a cylinder bracket 16, a cylinder 17, a piston rod 18, a shaft sleeve 19, a fixing pin 20, a check ring strip 21 and a positioning nut 22.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1:
Referring to fig. 1-3, a poppet valve device applied to corrosive gas comprises a gland I2 fixedly connected to the upper surface of the top wall of a corrosive gas channel cavity 1 and a valve plate 3 covered and arranged above the opening of the bottom wall of the corrosive gas channel cavity 1, wherein the surface size of the valve plate 3 is larger than the inner diameter of the opening of the bottom wall of the corrosive gas channel cavity 1, a connecting arm 4 is sleeved at the center of the gland I2, a threaded section is arranged at the lower part of the connecting arm 4, the outer diameter of the threaded section is smaller than the smooth outer wall section at the upper part of the connecting arm 4, an adjusting rod 5 is sleeved at the bottom end of the connecting arm 4 through the threads, a positioning stop block 6 is arranged at the bottom end of the adjusting rod 5, a movable sleeve 7 is arranged on the outer surface mask at the upper part of the positioning stop block 6, the adjusting rod 5 is fixedly connected with the valve plate 3 through the movable sleeve 7, and a sealing rubber layer is lined at the contact part of the valve plate 3 and the bottom wall of the corrosive gas channel cavity 1; the movable sleeve 7 and the valve plate 3 are respectively provided with a flange hole I13 parallel to the length direction of the adjusting rod 5, the movable sleeve 7 and the valve plate 3 are attached together through a sealing bolt, the bottom surface of the movable sleeve 7 is provided with a reducing groove 8 which is in sealing sleeve joint with the positioning stop block 6, the top end surface of the adjusting rod 5 is provided with an internal thread groove 9 which is in sleeve joint with the thread section of the connecting arm 4, the upper part of the adjusting rod 5 is provided with an adjusting nut 10 which is in sleeve joint with the thread section of the connecting arm 4, and the adjusting nut 10 is used for positioning the adjusting rod 5 so as to adjust the height of the valve plate 3, so that the adjustable valve is suitable for corrosive gas channel cavities 1 with different heights; the center of the gland I2 is movably sleeved at the middle position of the smooth outer wall section of the connecting arm 4, a gland II11 is arranged above the gland I2, a sealing ring 12 is arranged between the gland I2 and the gland II11, smooth through holes which are in sealing sleeve joint with the smooth outer wall section of the connecting arm 4 are respectively arranged at the center positions of the gland II11 and the sealing ring 12, flange holes II14 are formed in the periphery of the surface of the gland II11, corresponding flange holes II14 are formed in the position, close to the connecting arm 4, of the surface of the gland I2, the gland I2 and the gland II11 are fixedly connected through bolts at the positions of the flange holes II14, the sealing ring 12 is positioned at the inner side positions of the bolts at the positions of the flange holes II14, flange holes III15 are formed in the periphery of the surface of the gland I2, and the gland I2 is fixedly connected at the top wall of the corrosive gas channel cavity 1 through the bolts at the positions of the flange holes III 15; the upper surface of the gland I2 is fixedly provided with a cylinder bracket 16, the cylinder bracket 16 is composed of supporting legs and a supporting plate arranged at the top ends of the supporting legs, the bottom end of the supporting legs is fixedly arranged at a position between a flange hole II14 and a flange hole III15, the upper surface of the supporting plate is fixedly connected with a cylinder 17 through screws, the screws penetrate through the lower surface of the supporting plate and are fixedly connected into screw holes on the bottom surface of the cylinder 17, the bottom end surface of the cylinder 17 is sheathed with a piston rod 18, the bottom end of the piston rod 18 penetrates below the supporting plate, the top end of the connecting arm 4 is fixedly connected with a shaft sleeve 19, the bottom end of the piston rod 18 is hermetically sheathed inside the shaft sleeve 19, the peripheral wall of the shaft sleeve 19 is provided with a fixed pin 20, and the side wall of the lower part of the piston rod 18 is provided with a pin hole sheathed with the fixed pin 20.
Aiming at the sealing condition between the gland I2 and the gland II11 in actual use, the invention adopts two gland sealing structures:
1. The common gland seal structure that the elementary product adopted: referring to fig. 1, the gland I2 and the gland II11 are flange-shaped, and the seal ring 12 is a cylindrical seal body having a certain height and a large wall thickness. The cylindrical sealing body is characterized by simple structure and convenient installation, but requires better recovery performance, otherwise, the cylindrical sealing body is easy to deform after being extruded for a plurality of times, so that the risk of sealing is not tight.
2. Novel gland seal structure that the product adopted after the upgrading: referring to fig. 2, the gland I2 is specifically in a flange pipe shape, the gland I2 is composed of a flange plate I and a sealing pipe arranged in the center of the upper surface of the flange plate I, the sealing ring 12 is specifically a circular pipe-shaped sealing body with a certain height and a smaller wall thickness, a retainer ring strip 21 is arranged at the bottom of the inner wall of the sealing pipe, the bottom wall of the sealing ring 12 is in contact with the retainer ring strip 21, the outer wall of the sealing ring 12 is in contact with the inner wall of the sealing pipe, the inner wall of the sealing ring 12 is in contact with the smooth outer wall section of the connecting arm 4, the gland II11 is composed of a flange plate II and a boss arranged in the center of the lower surface of the flange plate II, the outer side wall of the boss is clamped at the top opening of the sealing pipe, and the bottom wall of the boss is in contact with the top wall of the sealing ring 12. The sealing device has the characteristics of strong sealing performance, smaller pressure on the sealing ring 12, effectively prolonged service life of the sealing ring, and capability of clamping the boss of the gland II11 at the opening of the top of the sealing tube in an interference manner during actual use so as to further improve the sealing performance.
The two gland sealing structures have advantages and disadvantages, and the two gland sealing structures need to be screened according to actual sealing requirements and process cost.
Referring to fig. 1, the upper surface and the lower surface of the adjusting nut 10 are respectively provided with anti-slip gaskets to improve the positioning anti-slip performance of the adjusting nut 10, the height of the adjusting rod 5 and the valve plate 3 can be determined through the adjusting nut 10 to adapt to corrosive gas channel cavities 1 with different heights, so that the adjusting nut 10 and the adjusting rod 5 adjust the vertical distance between the gland I2 and the valve plate 3 when being closed, and the function of pneumatically pushing the valve plate 3 to be closed or pulling the valve plate 3 to be opened can be realized through the movement of the piston rod 18 in the cylinder 17.
Referring to fig. 3, the contact surface of the movable sleeve 7 and the valve plate 3 is lined with a rubber layer to improve the sealability between the movable sleeve 7 and the valve plate 3.
Example 2:
Referring to fig. 4, the poppet valve device applied in the corrosive gas comprises a gland I2 fixedly connected to the upper surface of the top wall of the corrosive gas channel cavity 1 and a valve plate 3 covered above the opening of the bottom wall of the corrosive gas channel cavity 1, wherein the surface size of the valve plate 3 is larger than the inner diameter of the opening of the bottom wall of the corrosive gas channel cavity 1, a connecting arm 4 is sleeved at the center of the gland I2, a threaded section is arranged at the lower part of the connecting arm 4, the outer diameter of the threaded section is smaller than the smooth outer wall section at the upper part of the connecting arm 4, a threaded through hole corresponding to the threaded section of the connecting arm 4 is arranged at the center of the valve plate 3, a positioning nut 22 is sleeved at the part of the threaded section of the connecting arm 4 extending out of the lower part of the valve plate 3 through threads, and a sealing rubber layer is lined at the contact part of the valve plate 3 and the bottom wall of the corrosive gas channel cavity 1; the center of the gland I2 is movably sleeved at the middle position of the smooth outer wall section of the connecting arm 4, a gland II11 is arranged above the gland I2, a sealing ring 12 is arranged between the gland I2 and the gland II11, smooth through holes which are in sealing sleeve joint with the smooth outer wall section of the connecting arm 4 are respectively arranged at the center positions of the gland II11 and the sealing ring 12, flange holes II14 are formed in the periphery of the surface of the gland II11, corresponding flange holes II14 are formed in the position, close to the connecting arm 4, of the surface of the gland I2, the gland I2 and the gland II11 are fixedly connected through bolts at the positions of the flange holes II14, the sealing ring 12 is positioned at the inner side positions of the bolts at the positions of the flange holes II14, flange holes III15 are formed in the periphery of the surface of the gland I2, and the gland I2 is fixedly connected at the top wall of the corrosive gas channel cavity 1 through the bolts at the positions of the flange holes III 15; the upper surface of the gland I2 is fixedly provided with a cylinder bracket 16, the cylinder bracket 16 is composed of supporting legs and a supporting plate arranged at the top ends of the supporting legs, the bottom end of the supporting legs is fixedly arranged at a position between a flange hole II14 and a flange hole III15, the upper surface of the supporting plate is fixedly connected with a cylinder 17 through screws, the screws penetrate through the lower surface of the supporting plate and are fixedly connected into screw holes on the bottom surface of the cylinder 17, the bottom end surface of the cylinder 17 is sheathed with a piston rod 18, the bottom end of the piston rod 18 penetrates below the supporting plate, the top end of the connecting arm 4 is fixedly connected with a shaft sleeve 19, the bottom end of the piston rod 18 is hermetically sheathed inside the shaft sleeve 19, the peripheral wall of the shaft sleeve 19 is provided with a fixed pin 20, and the side wall of the lower part of the piston rod 18 is provided with a pin hole sheathed with the fixed pin 20.
Referring to fig. 4, a rubber gasket is arranged between the bottom end of the smooth outer wall section of the connecting arm 4 and the upper surface of the valve plate 3, and a rubber gasket is also arranged between the lower surface of the valve plate 3 and the top surface of the positioning nut 22, so as to improve the tightness between the valve plate 3 and the threaded section of the connecting arm 4.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The poppet valve device applied to the corrosive gas comprises a gland I (2) fixedly connected to the upper surface of the top wall of the corrosive gas channel cavity (1) and a valve plate (3) covered above the opening of the bottom wall of the corrosive gas channel cavity (1), and is characterized in that the surface size of the valve plate (3) is larger than the inner diameter of the opening of the bottom wall of the corrosive gas channel cavity (1), a connecting arm (4) is sleeved at the center of the gland I (2), a threaded section is arranged at the lower part of the connecting arm (4), the outer diameter of the threaded section is smaller than the smooth outer wall section at the upper part of the connecting arm (4), an adjusting rod (5) is sleeved at the bottom end of the connecting arm (4) through threads, a positioning stop block (6) is arranged at the bottom end of the adjusting rod (5), a movable sleeve (7) is arranged on the outer surface mask at the upper part of the positioning stop block (6), and the valve plate (3) is fixedly connected with the valve plate (7) through the movable sleeve (7), and a sealing rubber layer is lined at the contact part of the valve plate (3) and the bottom wall of the corrosive gas channel cavity (1);
The adjustable valve plate is characterized in that flange holes I (13) parallel to the length direction of the adjusting rod (5) are respectively formed in the movable sleeve (7) and the valve plate (3), the movable sleeve (7) and the valve plate (3) are attached together through sealing bolts, a reducing groove (8) which is in sealing connection with the positioning stop block (6) is formed in the bottom surface of the movable sleeve (7), an inner thread groove (9) which is in sealing connection with the thread section of the connecting arm (4) is formed in the top end surface of the adjusting rod (5), an adjusting nut (10) which is in sealing connection with the thread section of the connecting arm (4) is arranged above the adjusting rod (5), and the adjusting nut (10) is used for positioning the adjusting rod (5) so as to adjust the height of the valve plate (3) so as to adapt to corrosive gas channel cavities (1) with different heights; the center of the gland I (2) is movably sleeved at the middle position of the smooth outer wall section of the connecting arm (4), a gland II (11) is arranged above the gland I (2), a sealing ring (12) is arranged between the gland I (2) and the gland II (11), smooth through holes which are in sealing sleeve connection with the smooth outer wall section of the connecting arm (4) are respectively arranged at the center positions of the gland II (11) and the sealing ring (12), flange holes II (14) are formed in the periphery of the surface of the gland II (11), corresponding flange holes II (14) are formed in the position, close to the connecting arm (4), of the surface of the gland I (2), the gland I (2) and the gland II (11) are fixedly connected through bolts at the flange holes II (14), the sealing ring (12) is positioned at the inner side positions of bolts at the flange holes II (14), flange holes III (15) are formed in the periphery of the surface of the gland I (2), and the top wall of the gland I (2) is fixedly connected at the position of the corrosive gas channel cavity (1) through the bolts at the flange holes III (15).
The upper surface of the gland I (2) is fixedly provided with a cylinder bracket (16), the cylinder bracket (16) is composed of supporting legs and a supporting plate arranged at the top ends of the supporting legs, the bottom ends of the supporting legs are fixedly arranged at positions between a flange hole II (14) and a flange hole III (15), the upper surface of the supporting plate is fixedly connected with a cylinder (17) through screws, the screws penetrate through the lower surface of the supporting plate and are fixedly connected into screw holes in the bottom surface of the cylinder (17), the bottom end surface of the cylinder (17) is sheathed with a piston rod (18), the bottom end of the piston rod (18) penetrates below the supporting plate, the top end of the connecting arm (4) is fixedly connected with a shaft sleeve (19), the bottom end of the piston rod (18) is hermetically sheathed inside the shaft sleeve (19), the peripheral wall of the shaft sleeve (19) is provided with a fixed pin (20), and the side wall of the lower part of the piston rod (18) is provided with a pin hole sheathed with the fixed pin (20).
The gland I (2) is particularly in a flange pipe shape, the gland I (2) is composed of a flange piece I and a sealing pipe arranged in the center of the upper surface of the flange piece I, the sealing ring (12) is particularly a circular pipe-shaped sealing body with a certain height and a smaller wall thickness, a retainer ring strip (21) is arranged at the bottom of the inner wall of the sealing pipe, the bottom wall of the sealing ring (12) is contacted with the retainer ring strip (21), the outer wall of the sealing ring (12) is contacted with the inner wall of the sealing pipe, the inner wall of the sealing ring (12) is contacted with a smooth outer wall section of the connecting arm (4), the gland II (11) is composed of a flange piece II and a boss arranged in the center of the lower surface of the flange piece II, the outer side wall of the boss is clamped at the top opening of the sealing pipe, and the bottom wall of the boss is contacted with the top wall of the sealing ring (12).
The upper surface and the lower surface of the adjusting nut (10) are respectively provided with an anti-skid gasket so as to improve the positioning anti-skid performance of the adjusting nut (10), the heights of the adjusting rod (5) and the valve plate (3) can be determined through the adjusting nut (10) so as to adapt to corrosive gas channel cavities (1) with different heights, so that the adjusting nut (10) and the adjusting rod (5) adjust the vertical distance between the gland I (2) and the valve plate (3) when being closed, and the valve plate (3) can be closed or opened by pushing the valve plate (3) by aerodynamic force through the movement of a piston rod (18) in an air cylinder (17); the contact surface of the movable sleeve (7) and the valve plate (3) is lined with a rubber layer to improve the tightness between the movable sleeve (7) and the valve plate (3).
2. Poppet valve assembly for use in corrosive gases according to claim 1, wherein the gland I (2) and gland II (11) are flange-like, the sealing ring (12) being in particular a cylindrical sealing body of a certain height and with a large wall thickness;
The common gland sealing structure adopted by the primary product is characterized by simple structure and convenient installation, but requires better recovery performance of the cylindrical sealing body, otherwise, the cylindrical sealing body is easy to deform after being extruded for a plurality of times, so that the risk of poor sealing is caused.
3. The poppet valve device applied to the corrosive gas comprises a gland I (2) fixedly connected to the upper surface of the top wall of the corrosive gas channel cavity (1) and a valve plate (3) arranged above the opening of the bottom wall of the corrosive gas channel cavity (1), and is characterized in that the surface size of the valve plate (3) is larger than the inner diameter of the opening of the bottom wall of the corrosive gas channel cavity (1), a connecting arm (4) is sleeved at the center of the gland I (2), a threaded section is arranged at the lower part of the connecting arm (4), the outer diameter of the threaded section is smaller than the smooth outer wall section at the upper part of the connecting arm (4), a threaded through hole corresponding to the threaded section of the connecting arm (4) is arranged at the center of the valve plate (3), a positioning nut (22) is sleeved at the part of the threaded section of the connecting arm (4) extending out of the lower part of the valve plate (3), and a sealing rubber layer is sleeved at the contact part of the valve plate (3) and the bottom wall of the corrosive gas channel cavity (1);
The center of the gland I (2) is movably sleeved at the middle position of the smooth outer wall section of the connecting arm (4), a gland II (11) is arranged above the gland I (2), a sealing ring (12) is arranged between the gland I (2) and the gland II (11), smooth through holes which are in sealing sleeve connection with the smooth outer wall section of the connecting arm (4) are respectively arranged at the center positions of the gland II (11) and the sealing ring (12), flange holes II (14) are formed in the periphery of the surface of the gland II (11), corresponding flange holes II (14) are formed in the position, close to the connecting arm (4), of the surface of the gland I (2), the gland I (2) and the gland II (11) are fixedly connected through bolts at the flange holes II (14), the sealing ring (12) is positioned at the inner side positions of bolts at the flange holes II (14), flange holes III (15) are formed in the periphery of the surface of the gland I (2), and the top wall of the gland I (2) is fixedly connected at the position of the corrosive gas channel cavity (1) through the bolts at the flange holes III (15).
The upper surface of the gland I (2) is fixedly provided with a cylinder bracket (16), the cylinder bracket (16) is composed of supporting legs and a supporting plate arranged at the top ends of the supporting legs, the bottom ends of the supporting legs are fixedly arranged at positions between a flange hole II (14) and a flange hole III (15), the upper surface of the supporting plate is fixedly connected with a cylinder (17) through screws, the screws penetrate through the lower surface of the supporting plate and are fixedly connected into screw holes in the bottom surface of the cylinder (17), the bottom end surface of the cylinder (17) is sheathed with a piston rod (18), the bottom end of the piston rod (18) penetrates below the supporting plate, the top end of the connecting arm (4) is fixedly connected with a shaft sleeve (19), the bottom end of the piston rod (18) is hermetically sheathed inside the shaft sleeve (19), the peripheral wall of the shaft sleeve (19) is provided with a fixed pin (20), and the side wall of the lower part of the piston rod (18) is provided with a pin hole sheathed with the fixed pin (20).
Rubber gaskets are arranged between the bottom end of the smooth outer wall section of the connecting arm (4) and the upper surface of the valve plate (3), and rubber gaskets are also arranged on the lower surface of the valve plate (3) and the top surface of the positioning nut (22) in a cushioning manner so as to improve the tightness between the valve plate (3) and the threaded section of the connecting arm (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011088665.4A CN112161067B (en) | 2020-10-13 | 2020-10-13 | Poppet valve device for use in corrosive gas |
| AU2021104807A AU2021104807A4 (en) | 2020-10-13 | 2021-08-02 | Lift Valve Device Used in Corrosive Gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011088665.4A CN112161067B (en) | 2020-10-13 | 2020-10-13 | Poppet valve device for use in corrosive gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112161067A CN112161067A (en) | 2021-01-01 |
| CN112161067B true CN112161067B (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011088665.4A Active CN112161067B (en) | 2020-10-13 | 2020-10-13 | Poppet valve device for use in corrosive gas |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112161067B (en) |
| AU (1) | AU2021104807A4 (en) |
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| DE4236464A1 (en) * | 1992-10-29 | 1994-05-05 | Lavrids Knudsen Maskienfabrik | Leak-free double valve with separate cleaning facility - has telescopic supports for two valves with combined rams to lift valves independently for flushing and cleaning. |
| CN202109076U (en) * | 2011-05-23 | 2012-01-11 | 中国电器科学研究院有限公司 | Cylinder valve sealed installing seat used for corrosive gas |
| CN107084251A (en) * | 2017-05-17 | 2017-08-22 | 中冶节能环保有限责任公司 | A kind of double-layer seal by-passing valve with gas check |
| CN109027259A (en) * | 2018-09-21 | 2018-12-18 | 昆山嘉科环保设备有限公司 | High-pressure gas seal poppet |
| CN109882602A (en) * | 2019-04-10 | 2019-06-14 | 浙江天地环保科技有限公司 | A kind of device improving the poppet sealing of RTO furnace |
| CN209743616U (en) * | 2019-03-01 | 2019-12-06 | 北京美斯顿科技开发有限公司 | poppet valve for gas reversing of heat accumulating type thermal oxidation furnace |
| CN111623123A (en) * | 2020-06-08 | 2020-09-04 | 浙江天地环保科技股份有限公司 | Poppet valve device for heat accumulating type incinerator |
-
2020
- 2020-10-13 CN CN202011088665.4A patent/CN112161067B/en active Active
-
2021
- 2021-08-02 AU AU2021104807A patent/AU2021104807A4/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4236464A1 (en) * | 1992-10-29 | 1994-05-05 | Lavrids Knudsen Maskienfabrik | Leak-free double valve with separate cleaning facility - has telescopic supports for two valves with combined rams to lift valves independently for flushing and cleaning. |
| CN202109076U (en) * | 2011-05-23 | 2012-01-11 | 中国电器科学研究院有限公司 | Cylinder valve sealed installing seat used for corrosive gas |
| CN107084251A (en) * | 2017-05-17 | 2017-08-22 | 中冶节能环保有限责任公司 | A kind of double-layer seal by-passing valve with gas check |
| CN109027259A (en) * | 2018-09-21 | 2018-12-18 | 昆山嘉科环保设备有限公司 | High-pressure gas seal poppet |
| CN209743616U (en) * | 2019-03-01 | 2019-12-06 | 北京美斯顿科技开发有限公司 | poppet valve for gas reversing of heat accumulating type thermal oxidation furnace |
| CN109882602A (en) * | 2019-04-10 | 2019-06-14 | 浙江天地环保科技有限公司 | A kind of device improving the poppet sealing of RTO furnace |
| CN111623123A (en) * | 2020-06-08 | 2020-09-04 | 浙江天地环保科技股份有限公司 | Poppet valve device for heat accumulating type incinerator |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2021104807A4 (en) | 2021-09-30 |
| CN112161067A (en) | 2021-01-01 |
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