CN114183548A - Mud valve with from dredging prevent blockking up function - Google Patents

Mud valve with from dredging prevent blockking up function Download PDF

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Publication number
CN114183548A
CN114183548A CN202110722564.6A CN202110722564A CN114183548A CN 114183548 A CN114183548 A CN 114183548A CN 202110722564 A CN202110722564 A CN 202110722564A CN 114183548 A CN114183548 A CN 114183548A
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CN
China
Prior art keywords
valve
valve body
arc
piece
mud
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Granted
Application number
CN202110722564.6A
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Chinese (zh)
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CN114183548B (en
Inventor
王岩
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Jinhu Hengli Machinery Co ltd
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Jinhu Hengli Machinery Co ltd
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Publication of CN114183548B publication Critical patent/CN114183548B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/04Construction of housing; Use of materials therefor of sliding valves
    • F16K27/044Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)

Abstract

The invention relates to the technical field of slurry valves, and discloses a slurry valve with a self-dredging and anti-blocking function, which comprises a valve body, wherein an inlet pipe and an outlet pipe are respectively arranged at the left end and the right end of the valve body, the inlet pipe and the outlet pipe are respectively communicated with the valve body, a valve cover is arranged at the top of the valve body, a rotating handle is arranged at the top of the valve cover, a spring extends out of and jacks up a shielding film under the action of self elasticity after a valve plate moves upwards, so that the spring pulls a power supply in a second open groove to move upwards through a first connecting rope, a rotating dredging device can be in contact with the power supply to work, slurry in the valve body is dredged, the slurry is prevented from being blocked in the valve body, the arc-shaped piece is arranged to rotate by taking a rotating rod as a center through self gravity when the arc-shaped piece is in the upward moving state of the valve plate, so that the second connecting rope can be pulled to be straight on a clamping rod, and the flowing slurry is in contact with the arc-shaped piece, thereby can make the caking department in the mud be cut off by the arc piece, make things convenient for the mud circulation.

Description

Mud valve with from dredging prevent blockking up function
Technical Field
The invention relates to the technical field of mud valves, in particular to a mud valve with a self-dredging anti-blocking function.
Background
Valves are mechanical devices that control the flow, direction, pressure, temperature, etc. of a flowing fluid medium, and are essential components in piping systems. Valve tubing is technically the same as pumps and is often discussed as a separate category. The valve can be operated manually or by a hand wheel, a handle or a pedal, and can also be controlled to change the pressure, the temperature and the flow of the fluid medium.
The mud valve is a commonly used and necessary pipeline control device, is used for controlling the circulation system of mud circulation and closing, can not cause the jam to the circulation chamber in the mud circulation in-process, when mud stops circulating, because mud is pasty, can cause the intercommunication department to block up after the valve plate is opened, has influenced the normal use of mud valve, so we have proposed a mud valve with from dredging and preventing blockking up the function.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a mud valve with a self-dredging anti-blocking function, which aims to solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mud valve with prevent blockking up function from mediation, includes the valve body, both ends are equallyd divide and do not are provided with import pipe and outlet pipe about the valve body, import pipe and outlet pipe are equallyd divide and do not communicate with the valve body, the valve body top is provided with the valve gap, the valve gap top is provided with the rotation handle.
Preferably, the valve body includes valve plate, valve rod, mediation piece one and mediation piece two, the valve plate sets up in valve body axis department, mediation piece two and mediation piece one are equallyd divide and do not set up both ends about the valve plate, mediation piece two and mediation piece one surface are equallyd divide respectively with valve body inner wall fixed connection, valve rod and valve plate inner wall threaded connection.
Preferably, first one of mediation piece includes fixed block one, first fluting has been seted up to first fixed block, second fluting has been seted up to the inside right side below of fluting, the inside power that is provided with of two fluting, power and two slip grafting of fluting, a fluting inner wall bonds and has the barrier film, be provided with the spring under the barrier film, a spring bottom and a fluting cell wall fixed connection, a fluting inside is provided with connects rope one, connect a rope both ends and equally divide and do not tie with spring and power, be provided with rotatory pull throughs directly over the power, fixed block one is run through at rotatory pull throughs top.
Preferably, mediation piece two includes fixed block two, fixed block two is inside to have seted up fluting three, fluting three and valve plate contact, fluting four has been seted up on two inside left sides of fixed block, fluting four inside tops are provided with the kelly, the kelly both ends are equallyd divide do not with four inner wall fixed connection of fluting, the kelly upper end is taken and is connected rope two, it bonds with the valve plate to connect rope two, fluting four inside below is provided with shredding mechanism.
Preferably, the shredding mechanism includes bull stick and arc piece, the bull stick both ends are equallyd divide respectively with four inner wall fixed connection of fluting, the bull stick upper right side is provided with the connecting rod.
Preferably, the quantity of arc piece is five, the bull stick run through five arc pieces and rotate with five arc pieces and be connected, the connecting rod run through five arc pieces and with five arc piece fixed connection, five the inside auxiliary member that all is provided with of arc piece.
Preferably, the auxiliary member includes five fluting, five inside dead levers that are provided with of fluting, five the dead lever bottom all is tied and is connected rope three, five it all is tied and is had heavy ball to connect three bottoms of rope, five heavy ball both ends all are provided with protruding thorn.
Compared with the prior art, the invention provides a mud valve with self-dredging and anti-blocking functions, which has the following beneficial effects:
1. according to the invention, after the valve plate moves upwards, the spring extends out of the shielding film under the action of the elasticity of the spring, so that the spring pulls the power supply in the second open groove to move upwards through the first connecting rope, the rotary dredging device can be contacted with the power supply to work, mud in the valve body is dredged, and the mud is prevented from being blocked in the valve body.
2. According to the invention, the arc-shaped piece is arranged, so that when the arc-shaped piece moves upwards on the valve plate, the arc-shaped piece rotates by taking the rotating rod as a center through self gravity, the connecting rope II can be pulled to be straightened on the clamping rod, and flowing slurry is contacted with the arc-shaped piece, so that a caking position in the slurry can be cut by the arc-shaped piece, and the slurry circulation is facilitated.
3. According to the invention, the heavy ball and the convex thorns are arranged, so that slurry can impact the heavy ball and the convex thorns, wherein the heavy ball continuously shakes under the tension of the third connecting rope, so that the convex thorns on the heavy ball break up the slurry, the breaking up effect on the slurry is better, the circulation effect of the slurry is ensured, and the blockage can be effectively prevented.
4. According to the invention, after the valve plate moves downwards to contact with the shielding film, the spring is extruded to reset, so that the power supply in the second groove moves downwards to reset under the action of self gravity, the electric power is saved, the interior of the valve body is conveniently dredged at any time when the slurry valve is communicated, and meanwhile, the valve plate pulls the arc-shaped piece through the second connecting rope, so that the arc-shaped piece rotates and resets by taking the rotating rod as the center, the arc-shaped piece is prevented from being influenced by slurry caking, and the subsequent anti-blocking treatment is conveniently carried out again.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural diagram of a first dredging part of the invention;
FIG. 4 is a schematic structural diagram of a second dredging component of the invention;
FIG. 5 is a schematic structural view of the shredder mechanism of the present invention;
fig. 6 is a schematic structural view of the auxiliary member of the present invention.
In the figure: the valve comprises a valve body 1, a valve plate 11, a valve rod 12, a first dredging part 13, a first fixing block 131, a first notch 132, a second notch 133, a shielding film 134, a spring 135, a first connecting rope 136, a rotary dredging device 137, a second dredging part 14, a second fixing block 141, a third notch 142, a fourth notch 143, a clamping rod 144, a second connecting rope 145, a chopping mechanism 146, a rotating rod 1461, an arc-shaped piece 1462, a connecting rod 1463, an auxiliary part 1464, a fifth notch 14641, a fixing rod 14642, a third connecting rope 14643, a heavy ball 14644, a convex thorn 14645, an inlet pipe 2, an outlet pipe 3, a valve cover 4 and a rotary handle 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1-6, the present invention provides a technical solution: a mud valve with self-dredging and anti-clogging functions comprises a valve body 1, wherein the valve body 1 comprises a valve plate 11, a valve rod 12, a first dredging part 13 and a second dredging part 14, the first dredging part 13 comprises a first fixing block 131, a first opening groove 132 is formed in the first fixing block 131, a second opening groove 133 is formed in the lower portion of the right side in the first opening groove 132, a power supply is arranged in the second opening groove 133 and is in sliding insertion connection with the second opening groove 133, a shielding film 134 is bonded on the inner wall of the first opening groove 132, after the valve plate 11 moves downwards to be in contact with the shielding film 134, a spring 135 is extruded to reset, the power supply in the second opening groove 133 moves downwards under the action of self gravity to reset, electric power is saved, the mud valve is convenient to dredge the interior of the valve body 1 at any time when communicated, a spring 135 is arranged right below the shielding film 134, after the valve plate 11 moves upwards, the spring 135 stretches out to jack the shielding film 134 under the action of self elasticity, and accordingly the spring 135 pulls the power supply in the second opening groove 133 to move upwards through a first connecting rope 136, thereby the rotary dredging device can work in contact with a power supply to dredge the slurry in the valve body 1 and avoid the slurry from being blocked in the valve body 1, the bottom of the spring 135 is fixedly connected with the groove wall of the first groove 132, the inside of the first groove 132 is provided with the first connecting rope 136, both ends of the first connecting rope 136 are respectively tied with the spring 135 and the power supply, the rotary dredging device 137 is arranged right above the power supply, the top of the rotary dredging device 137 penetrates through the first fixing block 131, the valve plate 11 is arranged at the center shaft of the valve body 1, the second dredging part 14 and the first dredging part 13 are respectively arranged at the upper end and the lower end of the valve plate 11, the outer surfaces of the second dredging part 14 and the first dredging part 13 are respectively fixedly connected with the inner wall of the valve body 1, the second dredging part 14 comprises a second fixing block 141, the third groove 142 is arranged in the second fixing block 141, the third groove 142 is in contact with the valve plate 11, the left side of the inside of the second fixing block 141 is provided with a fourth groove 143, and a clamping rod 144 is arranged above the inside the fourth groove 143, the two ends of the clamping rod 144 are respectively fixedly connected with the inner wall of the four grooves 143, the upper end of the clamping rod 144 is provided with a second connecting rope 145, the second connecting rope 145 is bonded with the valve plate 11, a chopping mechanism 146 is arranged below the inner part of the four grooves 143, the valve plate 11 pulls the arc-shaped piece 1462 through the second connecting rope 145, so that the arc-shaped piece 1462 can rotate and reset by taking the rotating rod 1461 as the center, the arc-shaped piece 1462 is prevented from being affected by slurry caking, subsequent anti-clogging treatment is facilitated, the chopping mechanism 146 comprises the rotating rod 1461 and the arc-shaped pieces 1462, the number of the arc-shaped pieces 1462 is five, the rotating rod 1461 penetrates through the five arc-shaped pieces 1462 and is rotatably connected with the five arc-shaped pieces 1462, the arc-shaped pieces 1462 are arranged, when the arc-shaped piece 1462 moves on the valve plate 11, the rotating rod 1461 is rotated by the self gravity, so that the second connecting rope 145 can be pulled to be straightened on the clamping rod 144, flowing slurry is contacted with the arc-shaped piece 1462, and the caking position in the slurry can be cut off by the arc-shaped piece 1462, the slurry circulation is facilitated, the connecting rod 1463 penetrates through five arc-shaped pieces 1462 and is fixedly connected with the five arc-shaped pieces 1462, auxiliary pieces 1464 are arranged inside the five arc-shaped pieces 1462, each auxiliary piece 1464 comprises a five-grooved 14641, five fixing rods 14642 are arranged inside the five grooved 14641, connecting ropes three 14643 are tied at the bottoms of the five fixing rods 14642, heavy balls 14644 are tied at the bottoms of the five connecting ropes three 14643, and protruding thorns 14645 are arranged at the two ends of each five heavy ball 14644, through arrangement of the heavy balls 14644 and the protruding thorns 14645, slurry can impact the heavy balls 14644 and the protruding thorns 14645, wherein the heavy balls 14644 continuously rock under the pulling force of the connecting ropes three 14643, so that the protruding thorns 14645 on the heavy balls 14644 can scatter the slurry, the slurry scattering effect on the slurry is good, the circulation effect of the slurry is guaranteed, the blocking situation can be effectively prevented, the two ends of the grooved 1461 are respectively and fixedly connected with the four inner walls 143, the connecting rod 1463 is arranged at the upper right side of the rotating rod 1461, valve rod 12 and 11 inner wall threaded connection of valve plate, the both ends are equallyd divide and are provided with import pipe 2 and outlet pipe 3 about valve body 1 respectively, import pipe 2 and outlet pipe 3 equallyd divide respectively with valve body 1 intercommunication, and 1 top of valve body is provided with valve gap 4, and valve gap 4 top is provided with rotates handle 5.
When the valve is used, the rotating handle 5 is rotated, the rotating handle 5 drives the valve rod 12 to rotate, the valve plate 11 can be driven to move horizontally upwards through the valve rod 12, the valve plate 11 can be moved into the third groove 142, when the valve plate 11 moves upwards, the shielding film 134 is separated from the valve plate 11, the spring 135 can extend out under the action of self elasticity, the spring 135 can pull the power supply in the second groove 133 to move upwards through the first connecting rope 136, the rotary dredging device can be contacted with the power supply to work, the mud in the valve body 1 is dredged, the mud is prevented from being blocked in the valve body 1, when the handle 5 is rotated reversely, the valve plate 11 moves downwards to be contacted with the shielding film 134, the spring 135 can be extruded to reset, the power supply in the second groove 133 moves downwards to reset under the action of self gravity, the electric power is saved, and the inside of the valve body 1 can be dredged at any time when the mud valve is communicated, after the valve plate 11 moves upwards, the arc-shaped piece 1462 can rotate around the rotating rod 1461 under the action of self gravity, so that the connecting rope II 145 can be pulled to straighten the clamping rod 144, flowing mud is contacted with the arc-shaped piece 1462, the caked part in the mud can be cut by the arc-shaped piece 1462, the circulation of the mud is facilitated, meanwhile, the arc-shaped piece 1462 is internally provided with the heavy ball 14644 and the convex thorn 14645, the mud can impact the heavy ball 14644 and the convex thorn 14645, the heavy ball 14644 continuously shakes under the pulling force of the connecting rope III 14643, so that the convex thorn 14645 on the heavy ball 14644 can scatter the mud, the scattering effect on the mud is good, the circulation effect of the mud is ensured, the blocking condition can be effectively prevented, after the handle 5 is rotated reversely, the valve plate 11 pulls the arc-shaped piece 1462 through the connecting rope II 145, so that the arc-shaped piece 1462 can rotate around the rotating rod 1461 to reset, the arc-shaped piece 1462 is prevented from being influenced by slurry caking, and subsequent anti-blocking treatment is facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a mud valve with from mediation anti-clogging function, includes valve body (1), its characterized in that: both ends are equallyd divide and do not are provided with import pipe (2) and outlet pipe (3) about valve body (1), import pipe (2) and outlet pipe (3) are equallyd divide and do not communicate with valve body (1), valve body (1) top is provided with valve gap (4), valve gap (4) top is provided with rotation handle (5).
2. The mud valve with self-dredging anti-clogging function of claim 1, wherein: valve body (1) includes valve plate (11), valve rod (12), mediation piece (13) and mediation piece two (14), valve plate (11) set up in valve body (1) axis department, mediation piece two (14) and mediation piece (13) are equallyd divide and do not set up both ends about valve plate (11), mediation piece two (14) and mediation piece (13) surface are equallyd divide respectively with valve body (1) inner wall fixed connection, valve rod (12) and valve plate (11) inner wall threaded connection.
3. The mud valve with the self-dredging anti-blockage function as claimed in claim 2, wherein: first mediation piece (13) is including fixed block (131), fixed block (131) inside has been seted up slotted (132), slotted two (133) have been seted up to inside right side below of slotted (132), slotted two (133) inside is provided with the power, the power is pegged graft with slotted two (133) slip, slotted one (132) inner wall bonds and has shielding film (134), be provided with spring (135) under shielding film (134), spring (135) bottom and slotted one (132) cell wall fixed connection, slotted one (132) inside is provided with connects rope one (136), connect rope one (136) both ends and equally divide and do not tie with spring (135) and power, be provided with rotatory pull throughs (137) directly over the power, fixed block (131) is run through at rotatory pull throughs (137) top.
4. The mud valve with the self-dredging anti-blockage function as claimed in claim 2, wherein: dredge a second (14) and include fixed block two (141), fixed block two (141) inside has seted up fluting three (142), fluting three (142) and valve plate (11) contact, fluting four (143) have been seted up on fixed block two (141) inside left side, fluting four (143) inside top is provided with kelly (144), kelly (144) both ends are equallyd divide do not with fluting four (143) inner wall fixed connection, kelly (144) upper end has been taken and has been connected rope two (145), it bonds with valve plate (11) to connect rope two (145), fluting four (143) inside below is provided with cuts up mechanism (146).
5. The mud valve with self-dredging anti-clogging function of claim 4, wherein: shredding mechanism (146) include bull stick (1461) and arc piece (1462), bull stick (1461) both ends are equallyd divide respectively with four (143) inner wall fixed connection in fluting, bull stick (1461) upper right side is provided with connecting rod (1463).
6. The mud valve with self-dredging anti-clogging function of claim 5, wherein: the quantity of arc piece (1462) is five, bull stick (1461) run through five arc pieces (1462) and rotate with five arc pieces (1462) and be connected, connecting rod (1463) run through five arc pieces (1462) and with five arc pieces (1462) fixed connection, five arc piece (1462) inside all is provided with auxiliary member (1464).
7. The mud valve with self-dredging anti-clogging function of claim 6, wherein: the auxiliary piece (1464) comprises a five-groove (14641), five fixing rods (14642) are arranged inside the five-groove (14641), connecting ropes three (14643) are tied to the bottoms of the five fixing rods (14642), heavy balls (14644) are tied to the bottoms of the five connecting ropes three (14643), and protruding thorns (14645) are arranged at two ends of the five heavy balls (14644).
CN202110722564.6A 2021-06-29 2021-06-29 Mud valve with from dredging and prevent blockking up function Active CN114183548B (en)

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Application Number Priority Date Filing Date Title
CN202110722564.6A CN114183548B (en) 2021-06-29 2021-06-29 Mud valve with from dredging and prevent blockking up function

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Application Number Priority Date Filing Date Title
CN202110722564.6A CN114183548B (en) 2021-06-29 2021-06-29 Mud valve with from dredging and prevent blockking up function

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CN114183548A true CN114183548A (en) 2022-03-15
CN114183548B CN114183548B (en) 2023-02-28

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1182760A (en) * 1997-09-02 1999-03-26 Nippon Pneumatic Mfg Co Ltd Gate valve
CN107191735A (en) * 2017-07-28 2017-09-22 江苏恒鑫石化机械有限公司 A kind of anticlogging mud valve
CN207648168U (en) * 2017-11-19 2018-07-24 永嘉纽拓阀门有限公司 A kind of anti-clogging blowdown valve
CN108825808A (en) * 2018-07-09 2018-11-16 盐城瑞德石化机械有限公司 Anti-clogging mud valve
WO2019009707A1 (en) * 2017-07-05 2019-01-10 Leo Dynamische Investering B.V. Dredge gate valve
CN209245303U (en) * 2018-12-11 2019-08-13 天津市滨海华义阀门有限公司 A kind of gate valve having internal dredging function
CN209892857U (en) * 2019-05-09 2020-01-03 建湖县杰林石化机械有限公司 Mud valve with prevent blockking up function
CN210088034U (en) * 2019-04-04 2020-02-18 建湖县昊辉电力石化机械有限公司 Automatic mud valve of mediation
CN210686998U (en) * 2019-07-17 2020-06-05 盐城宝通机械科技有限公司 Novel valve for petroleum slurry pipeline

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1182760A (en) * 1997-09-02 1999-03-26 Nippon Pneumatic Mfg Co Ltd Gate valve
WO2019009707A1 (en) * 2017-07-05 2019-01-10 Leo Dynamische Investering B.V. Dredge gate valve
CN107191735A (en) * 2017-07-28 2017-09-22 江苏恒鑫石化机械有限公司 A kind of anticlogging mud valve
CN207648168U (en) * 2017-11-19 2018-07-24 永嘉纽拓阀门有限公司 A kind of anti-clogging blowdown valve
CN108825808A (en) * 2018-07-09 2018-11-16 盐城瑞德石化机械有限公司 Anti-clogging mud valve
CN209245303U (en) * 2018-12-11 2019-08-13 天津市滨海华义阀门有限公司 A kind of gate valve having internal dredging function
CN210088034U (en) * 2019-04-04 2020-02-18 建湖县昊辉电力石化机械有限公司 Automatic mud valve of mediation
CN209892857U (en) * 2019-05-09 2020-01-03 建湖县杰林石化机械有限公司 Mud valve with prevent blockking up function
CN210686998U (en) * 2019-07-17 2020-06-05 盐城宝通机械科技有限公司 Novel valve for petroleum slurry pipeline

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