CN208719405U - A kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry - Google Patents

A kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry Download PDF

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Publication number
CN208719405U
CN208719405U CN201821266198.8U CN201821266198U CN208719405U CN 208719405 U CN208719405 U CN 208719405U CN 201821266198 U CN201821266198 U CN 201821266198U CN 208719405 U CN208719405 U CN 208719405U
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valve
valve body
chemical industry
coal chemical
lock hopper
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CN201821266198.8U
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曹辉
曹磊
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Shaanxi Re Control Equipment Co Ltd
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Shaanxi Re Control Equipment Co Ltd
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Abstract

A kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry, including upper valve body, upper valve body internal fluid passageways are equipped with anticorrosion antiwear bushing pipe, it is valve seat on the left of wear-resisting bushing pipe, valve seat is fitted closely with valve disc, valve disc is positioned with sleeve by outer circle, and pass through disc spring group, disc spring seat is carried, sleeve is cooperated with connecting plate, valve rod is set on connecting plate, it is positioned with lower valve body by bearing on the left of valve rod, end is bonded with lubricating graphite group, bearing left end is provided with wear-resistant pad, right side is bonded with support sleeve by lubricating graphite, support sleeve is installed on upper valve body, right side is installed by valve stem packing group, rocking bar is set on the right side of valve rod, switching motion is carried out by executing agency, middle valve body and lower valve body are disposed on upper valve body, the utility model aims at the valve of coal chemical industry lock hopper station design, its excellent wearability, Flushing resistance and strict turn-off performance, can increase substantially valve service life, reduce maintenance, the maintenance cost of user.

Description

A kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry
Technical field
The utility model relates to coal chemical industry stop valve technical field, in particular to a kind of dedicated hard sealing lock hopper disk of coal chemical industry Valve.
Background technique
In recent years, due to the influence of international situation, oil price Continued, under this overall situation, due to new substitution The generation of the energy, domestic coal chemical industry development are swift and violent.In coal chemical engineering equipment, powder, the processing of slurry and conveying are largely adopted With lock hopper technology, this station valve operation pressure is high, situations such as internals erosion, sealing surface wear, interior leakage, lock hopper valve easily occurs Service life and reliability be increasingly becoming the bottleneck of coal chemical industry fine coal pressurizing device long period reliability service.
Hard sealing lock hopper moushroom valve is as one of most important equipment of coal chemical industry fine coal pressurizing device, mainly to gasification system Middle fine coal medium carries out shutdown and opening operation.Due to its media hardness height, conveying gas pressure is high, to the washing away of valve, rushes It loses extremely serious.The service life of imported with original packaging anti-friction valve was differed at 6 months to 1 year.And need frequently offline repair.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, it is dedicated hard close that the purpose of this utility model is to provide a kind of coal chemical industries Block bucket moushroom valve is the valve for aiming at the design of coal chemical industry lock hopper station, excellent wearability, flushing resistance and strict Turn-off performance can increase substantially valve service life, reduce maintenance, the maintenance cost of user.
To achieve the goals above, the technical solution adopted in the utility model is:
A kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry, including upper valve body 1,1 internal fluid passageways of upper valve body are equipped with anti-corrosion Wear-resisting bushing pipe 2 is valve seat 3 on the left of wear-resisting bushing pipe 2, and valve seat 3 is fitted closely with valve disc 7, and valve disc 7 and sleeve 8 pass through outer circle progress Positioning, and carried by disc spring group 9, disc spring seat 10, sleeve 8 is cooperated with connecting plate 11, and valve is arranged on connecting plate 11 Bar 12,12 left side of valve rod are positioned with lower valve body 14 by bearing 15, and end is bonded with lubricating graphite group 18, bearing 15 Left end is provided with wear-resistant pad 19, and right side is bonded with support sleeve 16 by lubricating graphite 17, and support sleeve 16 is installed on On valve body 1, valve stem packing group 20 is installed on right side, and rocking bar 27 is arranged on the right side of valve rod 12, and it is dynamic to carry out opening and closing by executing agency 28 Make, middle valve body 29 and lower valve body 14 are disposed on upper valve body 1.
It is provided with valve base sealing groove 105 between the valve seat 3 and upper valve body 1, valve is installed in valve base sealing groove 105 Seat gasket seal 4, fixed by pressure ring 5, valve seat bolt 6 is compressed, and the valve base sealing gasket 4 is that stainless steel band adds flexibility Graphite wound gasket.
The sleeve 8 is welded as a whole with connecting plate 11, and 11 upper end of connecting plate is connected with valve rod 12 by key 1 It connects.
The upper valve body 1 and lower valve body 14 are provided with valve seal groove 106, upper valve body 1, middle valve body 29 and under Valve body 14 carries out compression to valve seals 31 by valve body stud 30 and realizes sealing, and purging is arranged on the middle valve body 29 Mouth 36, using the structure of double air inlets, is arranged along flow of media direction, right side size at 14 channel of lower valve body Greatly, the small material collection structure of left side size.
The executing agency 28 is connect by bracket component 32 with upper valve body 1, the rotating part setting of executing agency 28 There is lubrication bearing 1,28 front end of executing agency is provided with protective case 34, and executing agency 28 is provided with 27 rotating part of rocking bar Lubricate bearing 2 35.
It is provided with manhole 101 at the top of the upper valve body 1, by blind plate 102, gasket seal 103, fastening stud 104 is realized Sealing.
The sleeve 8 is arranged fluted, and disc spring group 9 is fitted into, and realizes that disc spring force is held to valve disc 7 by disc spring seat 10 Continuous load, disc spring seat 10 and 7 contact site of valve disc are designed as spherical structure, and valve seat 3 and valve disc 7 are all made of sealing surface surfacing hard The mode of alloy or integral sintered hard alloy is processed, and edge is respectively provided with blade construction.
It is provided with groove on the left of the support sleeve 16, lubricating graphite 17 is provided in groove and is contacted with connecting plate 11, right side peace Loaded in upper valve body 1.
The valve stem packing group 20 is made of braiding packing and graphite packing collocation, and most inner side filler is angle, with branch Support set angle forms 5 ° of differential seat angles, then is loaded by filler pressing sleeve 22, hold-down grid 23, filler stud 24 and disc spring 25, institute 12 right side guiding area of valve rod setting stem bearing 21 is stated, is installed between filler group 20 and filler pressing sleeve 22.
27 material of rocking bar is selected as high-carbon steel or martensitic stain less steel, rocking bar 27 and valve rod 12 by key 2 26 into Row connection, the executing agency 28 be it is pneumatic, electronic, surge or electro-hydraulic actuating mechanism, 28 front end of executing agency are set Set protective case 34.
The utility model has the beneficial effects that
The utility model provides a kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry, and valve integrally uses forging structure, upper valve Body and lower valve body are provided with seal groove, and middle valve body carries out quantitative compression by valve seal gasket, realizes the sealing of valve body, drops Low assembly difficulty, improves efficiency.Anticorrosion antiwear bushing pipe is arranged in upper valve body inlet, prevents medium from generating to valve interior wall Exception is washed away and is corroded.
The mode that valve seat is all made of sealing surface surfacing hard alloy or integral sintered hard alloy with valve disc is processed, side Edge is respectively provided with blade construction.
Apply enough axial pre tightening forces by disc spring, while improving wearability, avoids granule medium from piercing close It is destroyed caused by sealing surface after cover.Seat bottom portion installs gasket seal in the seal groove of upper valve body, is fixed by pressure ring It is compressed afterwards with stud.Middle valve interior wall and media contact position whole coated with hard alloy enhance wear-resisting property.
Flow of media direction is arranged along at lower valve body channel, right side size is big, and size small material collection structure in left side subtracts Residual of the medium in valve lumen is lacked.
The connection of executing agency's torque transfer part point such as valve rod and connecting plate, rocking bar and valve rod is all made of key connection, dismantle, It replaces more convenient, reduces maintenance cost.Valve rod uses double-bearing guide structure, improves the stability of valve rod, valve The contact plane of bar and bearing, connecting plate and support sleeve is all made of graphite group and is lubricated, avoid sliding surface occur killing and Reduce the possibility of switch efficiency.The sealing of valve stem packing realizes soft or hard matched combined using braiding packing and soft graphite, and most Inside filler is angle, forms 5 ° of differential seat angles with support sleeve angle, improves the enclasping force and sealing performance of filler and valve rod.
Executing agency's rotating part is connect with actuator output shaft and rocking bar contact portion using lubrication bearing, is prevented long-term The local excessive abrasion occurred after use, improves the wearability of key part.Protective case is arranged in executing agency front end, reduces The possibility that executing agency's piston rod is corroded by surrounding medium under adverse circumstances improves executing agency's efficiency after being used for a long time and makes Use the service life.The purging structure of valve uses double air inlets, the Purge methods in no dead zone, residual medium as far as possible in realization valve chamber Stream flower reduces the possibility that medium accumulates fouling in valve chamber, improves service life.
Detailed description of the invention
Fig. 1 is the utility model valve overall structure schematic cross-sectional view;
Fig. 2 is the utility model valve overall structure side view;
The position Fig. 3 the utility model overall structure sterogram;
Fig. 4 is the utility model valve valve seat construction A point partial enlarged view;
Fig. 5 is the utility model valve valve stem packing part B point structure partial enlarged view;
Fig. 6 is the utility model valve executing agency and holder pivots part C point partial enlarged view;
The position Fig. 7 the utility model valve D point partial sectional view;
Fig. 8 is that the utility model valve purges schematic illustration;
1- upper valve body, 101- manhole, 102- blind plate, 103- gasket seal, 104- fastening stud, 105-valve base sealings are recessed Slot, 106-valve seal grooves, 2-anticorrosion antiwear bushing pipes, 3-valve seats, 4-valve base sealing gaskets, 5-pressure rings, 6-valve seats Under bolt, 7-valve discs, 8-sleeves, 9-disc spring groups, 10-disc spring seats, 11-connecting plates, 12-valve rods, 13-keys one, 14- Valve body, 15-bearings, 16-support sleeves, 17-lubricating graphites, 18-lubricating graphite groups, 19-wear-resistant pads, 20-valve stem packings Group, 21-stem bearings, 22-filler pressing sleeves, 23-hold-down grids, 24-filler studs, 25-disc springs, 26-keys two, 27- Rocking bar, 28-executing agencies, 29-middle valve bodies, 30-valve body studs, 31-valve seals, 32-bracket components, 33-profits Plain besring, 34-protective cases, 35-lubrication bearings, 36-blow valve ports;
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Fig. 1 Fig. 2: including upper valve body 1, manhole 101 is provided on upper valve body 1, there is anti-corrosion in internal fluid passageways portion Wear-resisting bushing pipe 2, wear-resisting bushing pipe left side is valve seat 3, and valve base sealing groove 105 is provided between valve seat 3 and upper valve body 1, is sealed recessed Valve base sealing gasket 4 is installed, fixed by pressure ring 5, valve seat bolt 6 is compressed in slot 105.Valve seat 3 and valve disc 7 closely paste It closes, valve disc 7 is positioned with sleeve 8 by outer circle, and by disc spring group 9, disc spring seat 10 is carried.Sleeve 8 and connecting plate 11 are cooperated, and are welded as a whole.11 upper end of connecting plate is attached with valve rod 12 by key 1.The left side of valve rod 12 with Lower valve body 14 is positioned by bearing 15, and end is bonded by lubricating graphite group 18, and 15 left end of bearing is provided with Wear-resistant pad 19.Right side carries out plane by lubricating graphite 17 with support sleeve 16 and is bonded.Support sleeve 16 is installed on upper valve body 1, right Valve stem packing group 20, stem bearing 21 are successively installed in side, and outside is equipped with filler pressing sleeve 22 (as shown in Figure 5), hold-down grid 23, Filler is compressed by filler stud 24 and disc spring 25.12 rightmost side of valve rod connects rocking bar 27 by key 2 26, by executing machine Structure 28 carries out switching motion.Upper valve body 1 and lower valve body 14 are provided with valve seal groove 106, between middle valve body 29 is installed, Compression is carried out to valve seals 31 eventually by valve body stud 30 and realizes sealing.Executing agency 28 by bracket component 32 with it is upper Valve body 1 connects, and rotating part is provided with lubrication bearing 1 (as shown in Figure 6).28 front end of executing agency is provided with protective case 34, 27 rotating part of rocking bar is provided with lubrication bearing 2 35, is provided with blow valve port 36 on middle valve body 29.
As shown in Fig. 3 Fig. 7: the upper valve body 1, middle valve body 29, lower valve body 14 are whole to use forging structure.The upper valve body Be provided with manhole 101 on 1, after valve uses some cycles, in the case where valve is not offline, can complete to valve internal into Row checks, overhauls, the work such as cleaning.Sealing at the manhole 101 compresses gasket seal 103 using blind plate 102, Sealing is realized by the compression of fastening stud 104.
The upper valve body 1 is provided with valve seal groove 106 with lower valve body 14, and opposite tower is arranged in valve in middle valve body 29 Valve seal gasket 31 in body seal groove 106 is limited by boss height and is realized quantitative compression, realizes the close of valve body Envelope, reduces assembly difficulty, improves assembly efficiency.
In order to improve the anti-corrosion and wear-resisting property of valve flowing channel, anticorrosion antiwear bushing pipe is arranged in 1 entrance channel of upper valve body 2, material is selected as dual phase steel, and inner wall supersonic spray coating hard alloy layer, and hardness improves anti-corrosion and wearability up to HRC60 Energy.
While in order to improve sealing surface wearability, the damage caused by sealing surface after avoiding granule medium from piercing sealing surface It is bad, the valve disc 7 and 3 sealing surface of valve seat is all made of surfacing hard alloy or the mode of integral sintered hard alloy is processed, Hardness can reach HRC62 or more, and sharp edge is arranged in the outer circle of valve disc 7 and valve seat 3, by the lasting load of disc spring group 9, is formed Blade construction, while improving sealing surface wearability, the damage caused by sealing surface after avoiding granule medium from piercing sealing surface.
The disc spring seat 10 is designed as spherical structure with 7 contact site of valve disc, during valve switch operation, disc spring The spherical surface of seat 10 provides gimbal function, prevents valve disc 7 from bite occurring during rotation.
As shown in Figure 4;Valve seat sealed groove 105 is designed in 3 bottom of valve seat, is fitted into using gasket seal 4, then lead to It is fixed to cross pressure ring 5, valve seat stud 6 seals after being compressed, this structure can be realized at a temperature of -46 DEG C to 550 DEG C cycle alternations not It leaks, enhances the reliability that valve seat seals under various working requirement.
In order to improve the anti-corrosion and wear-resisting property of the middle valve body 29, middle valve body 29 and the inner wall of media contact use Supersonic Fast coated with hard alloy-layer, hardness improve anti-corrosion and wear-resisting property up to HRC60.
In order to reduce residual of the medium in valve chamber, reducing media accumulation in valve chamber influences valve switch bring, institute State 14 circulation passage of lower valve body be set as right side size it is big, the small material collection structure of left side size, reduce medium in valve lumen Residual, reduce valve lumen in media accumulation on valve switch bring influence.
In order to realize the convenience of maintenance, replacement, reduction maintenance, maintenance cost, the valve rod 12 and connecting plate 11, The connection of valve rod 12 and rocking bar 27 is all made of key connection.It is understood that the quantity and actual size of connecting key can be by engineerings Personnel determine after calculating according to actual needs, realize the convenience of maintenance, replacement, reduce maintenance maintenance cost.
Granule medium pierces guide surface and destroys guiding area in order to prevent, improves stem guiding portion after valve long-term operation The service life divided, the valve rod 12 use double-bearing guide structure, and bearing 15 and 21 inner wall of stem bearing and 12 guide surface of valve rod It is all made of hard alloy layer covering, prevents granule medium from piercing guide surface and destroys guiding area, after improving valve long-term operation The service life of stem guiding part.
After the sliding friction surface long-term work, due to killing and reducing the possibility of valve switch efficiency, The valve rod 12 and bearing 15, connecting plate 11 carry out plane using lubricating graphite 17,18 with the contact plane of support sleeve 16 and are bonded And lubrication, after avoiding sliding friction surface long-term work, due to killing and reducing the possibility of switch efficiency.
The sealing of the valve stem packing group 20 realizes soft or hard matched combined, and the leftmost side using braiding packing and soft graphite Filler is angle, forms 5 ° of differential seat angles with 16 angle of support sleeve, improves the enclasping force and sealing performance of filler and valve rod.
The executing agency 28 is relatively rotated partially to be connect using lubrication bearing 1 with bracket component 32 and prevents from making for a long time It is worn with the local excessive of rear appearance, improves the wearability of key part.
28 output shaft of executing agency and 27 rotating part of rocking bar are connected using lubrication bearing 2 35, prevent from being used for a long time The local excessive abrasion occurred afterwards, improves the wearability of key part.
The piston rod of executing agency 28 is improved and is held after being used for a long time by the erosion of surrounding medium under adverse circumstances in order to prevent Protective case 34 is arranged in row mechanism efficiency and service life, the 28 piston rod front end of executing agency, dynamic in actuator shaft During work, protective case 34 can cover thereon always.
It is as shown in Figure 8: in order to realize the fluidisation for remaining medium in valve chamber as far as possible, to reduce medium and accumulate fouling in valve chamber Possibility, the blow valve port 36 uses double air inlets, the Purge methods in no dead zone, the stream of residual medium as far as possible in realization valve chamber Flower reduces the possibility that medium accumulates fouling in valve chamber.
Utility model works principle:
The utility model relates to a kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry, valve integrally uses forging structure, upper valve Body 1 and lower valve body 14 are provided with seal groove, and middle valve body 29 carries out quantitative compression by valve seal gasket 31, realizes valve body Sealing, reduces assembly difficulty, improves efficiency.Anticorrosion antiwear bushing pipe 2 is arranged in 1 inlet of upper valve body, prevents medium to valve body The exception that inner wall generates is washed away and is corroded.Valve seat 3 and valve disc 7 are all made of sealing surface surfacing hard alloy or integral sintered hard closes The mode of gold is processed, and edge is respectively provided with blade construction, applies enough axial pre tightening forces by disc spring group 9, is improving While wearability, the destruction caused by sealing surface after avoiding granule medium from piercing sealing surface.3 bottom of valve seat is installed by gasket seal 4, in the seal groove of upper valve body 1, are compressed after being fixed by pressure ring with stud.Middle 29 inner wall of valve body and media contact position are whole Coated with hard alloy enhances wear-resisting property.Flow of media direction is arranged along at 14 channel of lower valve body, right side size is big, left Size small material collection structure in side reduces residual of the medium in valve lumen.28 torque transfer part of executing agency point such as valve rod 12 are all made of key connection with connecting plate 11, the connection of rocking bar 27 and valve rod 12, dismantle, replace more convenient, reduce dimension Protect cost.Valve rod 12 uses double-bearing guide structure, improves the stability of valve rod, valve rod 12 and bearing 15, connecting plate 11 with The contact plane of support sleeve 16 is all made of graphite group and is lubricated, avoid sliding surface occur killing and reduce switch efficiency can Energy.The sealing of valve stem packing realizes soft or hard matched combined using braiding packing and soft graphite, and most inner side filler is angle, with Support sleeve angle forms 5 ° of differential seat angles, improves the enclasping force and sealing performance of filler and valve rod.28 rotating part of executing agency It is connect with actuator output shaft and 27 contact portion of rocking bar using lubrication bearing 2 35, prevents the local mistake occurred after being used for a long time Degree abrasion, improves the wearability of key part.Protective case 34 is arranged in 28 front end of executing agency, reduces and executes under adverse circumstances The possibility that 28 piston rod of mechanism is corroded by surrounding medium improves executing agency's efficiency and service life after long-time service.Valve Purging structure use double air inlets, the Purge methods in no dead zone, the fluidisation of residual medium, reduces and is situated between as far as possible in realization valve chamber Matter accumulates the possibility of fouling in valve chamber, improves service life.

Claims (10)

1. a kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry, which is characterized in that including upper valve body (1), upper valve body (1) internal circulation Channel is equipped with anticorrosion antiwear bushing pipe (2), is on the left of wear-resisting bushing pipe (2) valve seat (3), and valve seat (3) is fitted closely with valve disc (7), valve Disk (7) is positioned with sleeve (8) by outer circle, and is carried by disc spring group (9), disc spring seat (10), sleeve (8) and company Fishplate bar (11) is cooperated, and valve rod (12) are arranged on connecting plate (11), passes through bearing with lower valve body (14) on the left of valve rod (12) (15) it is positioned, end is bonded with lubricating graphite group (18), and bearing (15) left end is provided with wear-resistant pad (19), right Side is bonded with support sleeve (16) by lubricating graphite (17), and support sleeve (16) is installed on upper valve body (1), and valve is installed on right side Rocking bar (27) are arranged in bar filler group (20), valve rod (12) right side, pass through executing agency (28) and carry out switching motion, upper valve body (1) On be disposed with middle valve body (29) and lower valve body (14).
2. the dedicated hard sealing lock hopper moushroom valve of a kind of coal chemical industry according to claim 1, which is characterized in that the valve seat (3) it is provided between upper valve body (1) valve base sealing groove (105), valve base sealing gasket is installed in valve base sealing groove (105) (4), fixed by pressure ring (5), valve seat bolt (6) is compressed, and the valve base sealing gasket (4) is that stainless steel band adds flexible stone Black wound gasket.
3. the dedicated hard sealing lock hopper moushroom valve of a kind of coal chemical industry according to claim 1, which is characterized in that the sleeve (8) it is welded as a whole with connecting plate (11), connecting plate (11) upper end is attached with valve rod (12) by key one (13).
4. the dedicated hard sealing lock hopper moushroom valve of a kind of coal chemical industry according to claim 1, which is characterized in that the upper valve body (1) it is provided with valve seal groove (106) with lower valve body (14), upper valve body (1), middle valve body (29) and lower valve body (14) pass through Valve body stud (30) carries out compression to valve seals (31) and realizes sealing, and blow valve port is arranged on the middle valve body (29) (36), using the structure of double air inlets, flow of media direction, right side size are arranged along at the lower valve body (14) channel Greatly, the small material collection structure of left side size.
5. the dedicated hard sealing lock hopper moushroom valve of a kind of coal chemical industry according to claim 1, which is characterized in that the execution machine Structure (28) is connect by bracket component (32) with upper valve body (1), and the rotating part of executing agency (28) is provided with lubrication bearing one (33), executing agency (28) front end is provided with protective case (34), and executing agency (28) and rocking bar (27) rotating part are provided with profit Plain besring two (35).
6. the dedicated hard sealing lock hopper moushroom valve of a kind of coal chemical industry according to claim 1, which is characterized in that the upper valve body (1) top is provided with manhole (101), and by blind plate (102), gasket seal (103), fastening stud (104) realizes sealing.
7. the dedicated hard sealing lock hopper moushroom valve of a kind of coal chemical industry according to claim 1, which is characterized in that the sleeve (8) It is arranged fluted, disc spring group (9) is fitted into, and by disc spring seat (10) valve disc (7) are realized with the lasting load of disc spring force, disc spring Seat (10) and valve disc (7) contact site are designed as spherical structure, and valve seat (3) and valve disc (7) are all made of the conjunction of sealing surface surfacing hard The mode of golden or integral sintered hard alloy is processed, and edge is respectively provided with blade construction.
8. the dedicated hard sealing lock hopper moushroom valve of a kind of coal chemical industry according to claim 1, which is characterized in that the support sleeve (16) left side is provided with groove, and lubricating graphite (17) is provided in groove and is contacted with connecting plate (11), right side is installed on upper valve body (1) It is interior.
9. the dedicated hard sealing lock hopper moushroom valve of a kind of coal chemical industry according to claim 1, which is characterized in that the valve stem packing Group (20) is made of braiding packing and graphite packing collocation, and most inner side filler is angle, forms 5 ° of angles with support sleeve angle Difference, then loaded by filler pressing sleeve (22), hold-down grid (23), filler stud (24) and disc spring (25), the valve rod (12) Stem bearing (21) are arranged in right side guiding area, are installed between filler group (20) and filler pressing sleeve (22).
10. the dedicated hard sealing lock hopper moushroom valve of a kind of coal chemical industry according to claim 1, which is characterized in that the rocking bar (27) material is selected as high-carbon steel or martensitic stain less steel, and rocking bar (27) is attached with valve rod (12) by key two (26), institute State executing agency (28) be it is pneumatic, electronic, surge or electro-hydraulic actuating mechanism, executing agency (28) the front end setting protection It covers (34).
CN201821266198.8U 2018-08-07 2018-08-07 A kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry Active CN208719405U (en)

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Application Number Priority Date Filing Date Title
CN201821266198.8U CN208719405U (en) 2018-08-07 2018-08-07 A kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry

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Application Number Priority Date Filing Date Title
CN201821266198.8U CN208719405U (en) 2018-08-07 2018-08-07 A kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108869772A (en) * 2018-08-07 2018-11-23 陕西瑞莱自控设备有限公司 A kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry
CN110762246A (en) * 2019-10-26 2020-02-07 五洲阀门股份有限公司 Flat plate type high-wear-resistance multi-way distribution valve
CN112268121A (en) * 2020-10-21 2021-01-26 江苏恒博气力输送设备制造有限公司 Novel wear-resisting pneumatic disc valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108869772A (en) * 2018-08-07 2018-11-23 陕西瑞莱自控设备有限公司 A kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry
CN110762246A (en) * 2019-10-26 2020-02-07 五洲阀门股份有限公司 Flat plate type high-wear-resistance multi-way distribution valve
CN110762246B (en) * 2019-10-26 2021-06-11 五洲阀门股份有限公司 Flat plate type high-wear-resistance multi-way distribution valve
CN112268121A (en) * 2020-10-21 2021-01-26 江苏恒博气力输送设备制造有限公司 Novel wear-resisting pneumatic disc valve

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GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A special hard sealed bucket valve for coal chemical industry

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