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WO2024060695A1 - Robinet-vanne pour transporter un écoulement de particules denses - Google Patents

Robinet-vanne pour transporter un écoulement de particules denses Download PDF

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Publication number
WO2024060695A1
WO2024060695A1 PCT/CN2023/099349 CN2023099349W WO2024060695A1 WO 2024060695 A1 WO2024060695 A1 WO 2024060695A1 CN 2023099349 W CN2023099349 W CN 2023099349W WO 2024060695 A1 WO2024060695 A1 WO 2024060695A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
purge
valve seat
flow channel
valve body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2023/099349
Other languages
English (en)
Chinese (zh)
Inventor
丁英仁
王建强
郑晓东
郭玉生
于槟恺
陈礼敏
颜培男
陈晓宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bapteec Ltd
Original Assignee
Bapteec Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bapteec Ltd filed Critical Bapteec Ltd
Publication of WO2024060695A1 publication Critical patent/WO2024060695A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate 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
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/34—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
    • 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
    • F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing

Definitions

  • the slide valve for regulating the flow of dense particle flow of the present invention belongs to a regulating valve that can be used for conveying dense particle flow, and is particularly suitable for regulating the flow of dense solid particle media in various conveying systems.
  • Slide valves are often used in coal chemical industry, petrochemical industry, garbage disposal and other industries where the main raw materials are solid particles. They are important control equipment in process operations. The safety, reliability and stable operation of the slide valve are decisive for the safe production of the device. effect. Spool valves are often used in harsh particle flow conditions. Taking the garbage pyrolysis process as an example, the slide valve faces a series of problems during normal operation during the normal operation of transporting heat medium particles in dense particle flow conditions:
  • valve flow characteristics are often required in terms of technology, such as linear, logarithmic, quick-opening, parabolic, etc.
  • the valve flow characteristics are related to whether they are accurate and effective.
  • the control of valve opening is closely related to ensuring production, so it is difficult to adjust the valve flow characteristics under complex working conditions;
  • the technical problem solved by the present invention is to overcome the shortcomings of the existing technology and provide a slide valve for transporting dense particle flow, which can be cleaned and purged during operation to prevent particles from being bridged and stuck, and the throat diameter of the slide valve can be changed.
  • the valve core assembly can adjust its stroke to fit the valve seat, and the valve flow characteristics can be adjusted to adapt to complex working conditions.
  • a slide valve for conveying dense particle flow comprising:
  • the valve cover and the valve body are mechanically connected.
  • the valve body is provided with an inlet flow channel and an outlet flow channel.
  • the inlet flow channel is detachably provided with a valve seat; there is a valve between the inlet flow channel and the outlet flow channel that is perpendicular to the inlet flow channel.
  • the valve core assembly moves in the axis direction.
  • the valve core assembly is connected to a valve stem, and the valve stem is slidingly connected to the valve cover;
  • the first purge structure connects the outside of the valve body and the inner wall of the valve seat, and is used to blow out air from the inner wall of the valve seat and purge the solid particles accumulated in the inlet flow channel;
  • the second purge structure is located between the valve stem and the valve cover, connects the outside of the valve cover and the valve stem circumferentially, and is used to blow air to the valve stem circumferentially and purge solid particles outside the valve stem.
  • the first purge structure includes a valve body purge inlet hole opened in the valve body, an annular groove opened in the inner wall of the valve body, and a valve seat purge hole opened in the valve seat.
  • One end of the valve body purge inlet hole is connected to the valve The outside of the body and the other end are connected to the annular groove, the valve seat purge hole penetrates the valve seat, and the valve seat purge hole is opposite to the annular groove.
  • the valve seat purge hole is arranged at an angle; the angle between the axis of the valve seat purge hole and the flow direction of solid particles in the valve body is 30 to 60°.
  • the valve body is connected with a valve seat pressure ring.
  • the valve seat pressure ring is located upstream of the valve seat and presses the valve seat tightly against the valve body.
  • the inlet flow channel of the valve body is provided with a step, and the valve seat circumferentially cooperates with the step.
  • the valve core assembly includes a valve plate and a replaceable valve core.
  • the valve plate is provided with a slot, and the slot runs through the valve plate. On the end facing away from the valve stem, the valve core is inserted into the slot;
  • valve plate and the valve core are both provided with positioning grooves, and the two positioning grooves face each other to form a fixed groove, and fastening screws are inserted into the fixed grooves.
  • Two parallel and symmetrically installed L-shaped guide rails are fixed in the inner cavity of the valve body, and the valve core assembly is vertically slidingly connected between the two L-shaped guide rails.
  • the L-shaped guide rail serves as the guide and support for the valve core assembly.
  • the valve core assembly and valve stem are connected together through a T-slot.
  • the valve seat is installed upstream of the valve core assembly and maintains an appropriate gap with the valve core assembly required for sealing, ensuring that the valve core can slide freely between the L-shaped guide rails and ensuring the sealing requirements of the process system in the closed state.
  • the stroke of the valve core assembly is required to match the diameter of the removable valve seat.
  • the valve seat pressure ring presses the valve seat tightly against the valve body and is connected to the valve body through spot welding. It is easy to disassemble and facilitate the replacement of the valve seat.
  • the second purge structure includes a valve cover purge inlet opened in the valve cover, a purge sleeve connected between the valve stem and the valve cover, the purge sleeve has a first annular groove on its inner wall, and a first ring groove on its outer wall.
  • the purge sleeve is provided with a plurality of through holes connecting the first annular groove and the second annular groove, and the second annular groove is opposite to the purge inlet of the valve cover.
  • a purge gap is provided between the purge sleeve and the outer wall of the valve stem; the purge gap is 0.3-0.8 mm.
  • the purge sleeve is threadedly connected to the valve cover.
  • the present invention adopts designs such as a valve seat purge hole, a detachable variable throat valve seat, a variable flow characteristic valve core assembly, etc., which effectively solves the flow control problem of dense particle flow, and also solves the problem of solid particle bridging. , coking and jamming, serious wear of valve body parts, stuck and stuck valve stems and other problems.
  • the replaceable valve core matching component design is used to match the valve seat with a changed throat diameter.
  • the valve stem stroke can be adjusted by replacing the valve core, and the mechanism is flexible and variable.
  • the valve core design has adjustable flow characteristics. By changing the shape of the notch on the valve core, the flow characteristics can be adjusted to adapt to complex working conditions. It is easy to disassemble and economical.
  • the combined structure of guide rail-valve seat-valve core assembly is especially suitable for valve body structures that are prone to uneven thermal deformation under high temperature conditions.
  • the combined structure has small thermal deformation and can ensure the sealing of the moving pair and prevent gap wear and jamming. .
  • This patent is based on the slide valve used in the S-zorb process, and designs a slide valve to transport dense particle flow, which solves the problems of anti-bridging purge valve seat, variable valve body throat diameter, adjustable valve flow characteristics, and valve core. Coordinate with key technical issues such as removable and replaceable components.
  • Figure 1 is a schematic diagram of a slide valve for dense particle flow according to the present invention
  • Figure 2 is a top cross-sectional view of the slide valve for dense particle flow according to the present invention.
  • Figure 3 is a schematic diagram of the guide rail-valve core-valve seat cooperation of the present invention.
  • FIG4 is a left side cross-sectional view of the valve seat of the present invention.
  • Figure 5 is a schematic structural diagram of the replaceable valve seat-valve core assembly of the present invention.
  • Figure 6 is a cross-sectional view of the valve stem purging structure of the present invention.
  • Valve seat 5. O-ring; 7. Valve stem; 8. Purge sleeve; 9. Valve cover purge inlet; 10. Packing; 11. Spacer ring; 12. Packing gland; 13. Packing sleeve; 14. Packing pad ;15. Valve seat;
  • Valve core assembly 22. Valve plate; 27. Valve core; 26. Fastening screws; 23. First end face; 24. Second end face;
  • the embodiment of the present application discloses a slide valve for transporting dense particle flow.
  • it includes a valve body 1.
  • the valve cover 2 is fixed on the valve body 1 through bolts 3, nuts 4, and disc springs 5.
  • the O-ring 6 ensures that the valve body Seal between 1 and valve cover 2.
  • the valve body 1 is provided with an inlet flow channel 16 and an outlet flow channel.
  • a valve seat 15 is detachably provided in the inlet flow channel 16; there is a valve seat 15 between the inlet flow channel 16 and the outlet flow channel that moves along the axis perpendicular to the inlet flow channel 16.
  • the valve core assembly 22 is connected with a valve stem 7 , and the valve stem 7 passes through the valve cover 2 and is slidingly connected with the valve cover 2 .
  • the slide valve is also provided with a first purge structure and a second purge structure.
  • the first purge structure communicates with the outside of the valve body 1 and the inner wall of the valve seat 15, and is used to blow out the wind from the inner wall of the valve seat 15 and accumulate air in the inlet flow channel 16.
  • the solid particles are purged;
  • the second purge structure is located between the valve stem 7 and the valve cover 2, connecting the outside of the valve cover 2 and the valve stem 7 circumferentially, and is used to blow out the wind to the valve stem 7 circumferentially and blow the outside of the valve stem 7. Solid particles are purged.
  • the second purge structure includes a purge sleeve 8 and a valve cover purge inlet 9 opened in the valve cover 2.
  • the purge sleeve 8 is installed between the valve cover 2 and the valve stem 7.
  • the sweeping sleeve 8 is screwed into the valve cover 2 through a threaded connection.
  • the inner wall of the purging sleeve 8 is provided with a first annular groove 28 and the outer wall is provided with a second annular groove 29.
  • the purging sleeve 8 is provided with a communicating first annular groove. and a plurality of through holes in the second annular groove, which is opposite to the purge inlet of the valve cover 2.
  • the purge sleeve 8 is threadedly connected to the valve cover 2.
  • the high-pressure gas flows from the valve cover purge inlet 9 through the purge sleeve 8 to the gap between the sleeve 8 and the valve stem 7 to remove particle accumulation.
  • the packing 10 is installed between the valve cover 2 and the valve stem 7.
  • the packing 10 is divided into two sections by a spacer ring 11.
  • the packing 10 is pressed by the packing gland 12 through the packing sleeve 13.
  • the detachable valve seat 15 is fixed downstream of the valve body inlet channel 16.
  • the inlet channel 16 of the valve body 1 is provided with a step.
  • the valve seat 15 cooperates with the step circumferentially.
  • the valve seat pressure ring 20 is located upstream of the valve seat 15. The seat 15 is tightly pressed on the valve body 1, and the valve seat pressure ring 20 is connected to the valve body 1 by spot welding.
  • the first purge structure includes a valve body purge inlet 17 opened in the valve body 1, an annular groove 31 opened in the inner wall of the valve body 1, and a valve seat purge opened in the valve seat.
  • Hole 19 one end of the valve body purge inlet hole 19 is connected to the outside of the valve body 1, and the other end is connected to the annular groove.
  • the valve seat purge hole 19 penetrates the valve seat 15, and the valve seat purge hole 19 is opposite to the annular groove.
  • the valve seat purge hole 19 is set at an angle; the angle between the axis of the valve seat purge hole 19 and the flow direction of solid particles in the valve body 1 is 30 to 60°, which not only prevents materials from bridging, but also effectively blows them away granular media.
  • the purge flange 18 is welded to the valve body purge inlet 17. The high-pressure gas flows from the valve body purge inlet 17 through the valve seat purge hole 19 into the interior of the valve body 1 to prevent bridging and blocking and remove coking.
  • the valve core assembly 22 is vertically slidingly connected between the two L-shaped guide rails 21.
  • the valve stem 7 is connected to the valve core assembly 22 through a T-shaped groove, and the valve stem 7 drives the valve core assembly 22 to move up and down in the L-shaped guide rail 21 through the actuator.
  • the valve core assembly 22 is matched with the valve seat 15 with a replaceable throat diameter. During the up and down movement of the valve core assembly 22
  • the valve seat 15 is shielded, and the size of the shielding area enables control of the flow through the valve seat 1 and adjustment of the flow characteristics.
  • the actuator is generally a pneumatic actuator, hydraulic device or electric device. The actuator drives the valve stem to drive the movement of the valve core assembly to change the flow area to achieve the regulating function of the regulating valve.
  • valve core assembly 22 can be separated into a valve plate 25 and a replaceable valve core 27.
  • the valve plate 25 is provided with a slot that penetrates to the end of the valve plate away from the valve stem.
  • the valve core 27 is inserted into the insert. inside the tank.
  • the valve plate 25 and the valve core 27 are both provided with positioning grooves, and a fixing groove is formed in the two positioning grooves.
  • a fastening screw 26 is inserted into the fixed groove, and the two are fixed by the fastening screw 26.
  • FIG 3 is a schematic diagram of the guide rail-valve core-valve seat cooperation.
  • the double L-shaped guide rails 21 are installed in parallel and symmetrical positions.
  • the valve stem 7 drives the valve core assembly 22 through the actuator to reciprocate with the double L-shaped guide rails 21.
  • the valve seat 15 is tightly pressed on the valve body 1 by the valve seat pressure ring 20.
  • the valve core assembly 22 cooperates with the valve seat 15 to reciprocate with the valve stem 7. By changing the blocking area of the valve seat 15, the flow control of the slide valve is achieved.
  • Figure 4 is a left side cross-sectional view of the valve seat.
  • Purge holes 19 are evenly distributed around the valve seat 15. High-pressure gas is blown from the valve seat purge holes 19 to the upstream of the valve body inlet flow channel to prevent material accumulation caused by solid particle media bridging. The valve is stuck.
  • the surface 23 is fitted to the valve body 1, and the surface 24 is fitted to the valve seat pressure ring 20.
  • the valve seat pressure ring 20 fixes the valve seat 15 to the valve body through spot welding, and the fitting surface ensures sealing performance under high temperature conditions.
  • FIG. 5 is a schematic structural diagram of the replaceable valve seat-valve core assembly.
  • the valve core 27 slides into the valve plate 25 along the groove and is fixed by the fastening screw 26.
  • the valve core 27 can be replaced with the change of the throat diameter of the valve seat 15. By changing the valve
  • the seat 15 throat diameter can realize medium flow adjustment and can solve the problem of difficult design of throat diameter for dense particle flow transportation.
  • the valve core 27 has 3 different sizes, and each size is provided with 4 replacement parts with different notches for adjusting the valve flow characteristics.
  • the replaceable valve seat-valve core component structural design is economical and practical, easy to disassemble, and adaptable. Safe and reliable under complex working conditions.
  • Figure 6 is a cross-sectional view of the valve stem purge structure.
  • the purge sleeve 8 is installed between the valve cover 2 and the valve stem 7.
  • the purge sleeve 8 is screwed into the valve cover 2 through a threaded connection.
  • the high-pressure gas is purged by the valve cover.
  • the inlet 9 flows through the purge sleeve 8 to the gap between the valve stem 7 and the sleeve 8 to remove the solid particles accumulated in the gap between the valve stem 7 and the sleeve 8 to prevent the valve stem from getting stuck or stuck.
  • connection structure between the valve seat pressure ring and the valve body in the present invention is not limited to spot welding, and other connection methods such as pin fixing can also be used.
  • connection structure between the valve core and the valve plate it is not limited to threaded connection, but can also use spot welding, pin connection, etc.
  • various flow channel types such as circular and elliptical shapes can be used.
  • throat diameter of the valve seat and the adaptive size of the valve core multiple sets of sizes can be set according to the needs of flow adjustment, and the gap opened on the valve core can be selected according to process requirements and is not limited to circular, triangular, or trapezoidal shapes. , other types of notch shapes can also be used to meet the selection of flow regulation characteristics under complex working conditions.
  • the present invention makes it easy to change the valve throat diameter and has various flow adjustment characteristics, and can effectively prevent particle flow factors from being accumulated upstream of the valve cavity. Internal accumulation caused by the bridge and wear of the valve core assembly-valve seat kinematic pair. Based on its own structure, the invention gives the slide valve the ability to change the throat diameter, change the adjustment characteristics, prevent bridging and accumulation, and prevent jamming. It has a compact structure, simple installation and maintenance, is economical and reliable, and is especially suitable for process systems where the medium is dense particle flow. flow regulation.

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

Abstract

La présente demande divulgue un robinet-vanne pour transporter un écoulement de particules denses. Le robinet-vanne comprend : un chapeau et un corps de vanne, qui sont raccordés mécaniquement l'un à l'autre, le corps de vanne étant pourvu d'un canal d'écoulement d'entrée et d'un canal d'écoulement de sortie, un siège de vanne étant disposé de manière amovible à l'emplacement du canal d'écoulement d'entrée, un ensemble noyau de vanne se déplaçant dans une direction perpendiculaire à la direction d'axe du canal d'écoulement d'entrée étant disposé entre le canal d'écoulement d'entrée et le canal d'écoulement de sortie, l'ensemble noyau de vanne étant raccordé à une tige de vanne, et la tige de vanne étant raccordée de manière coulissante au chapeau ; une première structure de purge, qui est en communication avec l'extérieur du corps de vanne et une paroi interne du siège de vanne, et est utilisée pour souffler de l'air à partir de la paroi interne du siège de vanne pour purger des particules solides accumulées au niveau du canal d'écoulement d'entrée ; et une seconde structure de purge, qui est située entre la tige de vanne et le chapeau, est en communication avec l'extérieur du chapeau et la circonférence de la tige de vanne, et est utilisée pour souffler de l'air vers la circonférence de la tige de vanne pour purger des particules solides à l'extérieur de la tige de vanne. La présente demande résout un défaut de vanne provoqué par un pontage de matériau dans le siège de vanne et les défauts de la tige de vanne, tels que la lenteur et les coincements, provoqués par l'accumulation de particules. De plus, le diamètre de gorge du corps de vanne est variable, les caractéristiques d'écoulement de la vanne peuvent être ajustées, et un ensemble d'adaptation de noyau de vanne peut être démonté et remplacé.
PCT/CN2023/099349 2022-09-21 2023-06-09 Robinet-vanne pour transporter un écoulement de particules denses Ceased WO2024060695A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211154162.1A CN115654160A (zh) 2022-09-21 2022-09-21 一种输送密集颗粒流用滑阀
CN202211154162.1 2022-09-21

Publications (1)

Publication Number Publication Date
WO2024060695A1 true WO2024060695A1 (fr) 2024-03-28

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PCT/CN2023/099349 Ceased WO2024060695A1 (fr) 2022-09-21 2023-06-09 Robinet-vanne pour transporter un écoulement de particules denses

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CN (1) CN115654160A (fr)
WO (1) WO2024060695A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118881781A (zh) * 2024-07-16 2024-11-01 合肥通用机械研究院有限公司 一种含固多相流控制阀
CN119981778A (zh) * 2025-04-09 2025-05-13 东莞创达金属科技有限公司 一种出油量可调的井口密封阀门

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115654160A (zh) * 2022-09-21 2023-01-31 北京航天石化技术装备工程有限公司 一种输送密集颗粒流用滑阀
CN119042376B (zh) * 2024-07-16 2025-09-30 合肥通用机械研究院有限公司 一种带波纹管密封的生物质流量控制阀
CN118881782B (zh) * 2024-07-16 2025-08-15 合肥通用机械研究院有限公司 生物质颗粒或粉料气力输送流量控制阀

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5470046A (en) * 1993-01-05 1995-11-28 Mueller Company Gate valve structure
CN201858375U (zh) * 2010-07-16 2011-06-08 北京航天动力研究所 一种脱硫工艺用滑阀
CN205090004U (zh) * 2015-09-23 2016-03-16 埃镁特（天津）流体控制设备有限公司 一种安装多介质阀座的法兰闸阀
CN207261708U (zh) * 2017-08-28 2018-04-20 河南泉舜流体控制科技有限公司 带吹扫装置的半球阀
CN209414657U (zh) * 2018-12-29 2019-09-20 郑州市荣兴实业有限公司 具有高稳定性的对夹式刀闸阀
CN210178964U (zh) * 2019-07-05 2020-03-24 厦门大学 一种插板阀
CN211082887U (zh) * 2019-12-11 2020-07-24 浙江众源阀门有限公司 一种双向硬碰硬旋球阀
CN211231835U (zh) * 2019-09-19 2020-08-11 上海开维喜阀门有限公司 一种耐磨滑阀
CN214197369U (zh) * 2020-12-31 2021-09-14 纽托克流体控制有限公司 一种焦化装置用防结焦球阀
CN216566719U (zh) * 2021-09-18 2022-05-20 浙江北泽阀门科技有限公司 双密封双排放三偏心金属硬密封蝶阀
CN115654160A (zh) * 2022-09-21 2023-01-31 北京航天石化技术装备工程有限公司 一种输送密集颗粒流用滑阀

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7431264B2 (en) * 2004-12-22 2008-10-07 Michel Leroux Knife gate valve
CN207333735U (zh) * 2017-09-15 2018-05-08 抚顺华兴石油化工有限公司 一种新型气动调节阀
CN108533774A (zh) * 2018-07-09 2018-09-14 烟台金泰美林科技股份有限公司 陶瓷滑阀

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5470046A (en) * 1993-01-05 1995-11-28 Mueller Company Gate valve structure
CN201858375U (zh) * 2010-07-16 2011-06-08 北京航天动力研究所 一种脱硫工艺用滑阀
CN205090004U (zh) * 2015-09-23 2016-03-16 埃镁特（天津）流体控制设备有限公司 一种安装多介质阀座的法兰闸阀
CN207261708U (zh) * 2017-08-28 2018-04-20 河南泉舜流体控制科技有限公司 带吹扫装置的半球阀
CN209414657U (zh) * 2018-12-29 2019-09-20 郑州市荣兴实业有限公司 具有高稳定性的对夹式刀闸阀
CN210178964U (zh) * 2019-07-05 2020-03-24 厦门大学 一种插板阀
CN211231835U (zh) * 2019-09-19 2020-08-11 上海开维喜阀门有限公司 一种耐磨滑阀
CN211082887U (zh) * 2019-12-11 2020-07-24 浙江众源阀门有限公司 一种双向硬碰硬旋球阀
CN214197369U (zh) * 2020-12-31 2021-09-14 纽托克流体控制有限公司 一种焦化装置用防结焦球阀
CN216566719U (zh) * 2021-09-18 2022-05-20 浙江北泽阀门科技有限公司 双密封双排放三偏心金属硬密封蝶阀
CN115654160A (zh) * 2022-09-21 2023-01-31 北京航天石化技术装备工程有限公司 一种输送密集颗粒流用滑阀

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