CN111998089A - High-temperature hard sealing ball valve - Google Patents

High-temperature hard sealing ball valve Download PDF

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Publication number
CN111998089A
CN111998089A CN202010842372.4A CN202010842372A CN111998089A CN 111998089 A CN111998089 A CN 111998089A CN 202010842372 A CN202010842372 A CN 202010842372A CN 111998089 A CN111998089 A CN 111998089A
Authority
CN
China
Prior art keywords
ball valve
valve
heat insulation
shell
ring
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.)
Pending
Application number
CN202010842372.4A
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Chinese (zh)
Inventor
陈海斌
汪永发
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.)
Yongjia Saifu Valve Co ltd
Original Assignee
Yongjia Saifu Valve Co 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 Yongjia Saifu Valve Co ltd filed Critical Yongjia Saifu Valve Co ltd
Priority to CN202010842372.4A priority Critical patent/CN111998089A/en
Publication of CN111998089A publication Critical patent/CN111998089A/en
Pending legal-status Critical Current

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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
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663Packings
    • 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
    • F16K27/06Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • 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
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/53Mechanical actuating means with toothed gearing
    • F16K31/535Mechanical actuating means with toothed gearing for rotating valves
    • 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
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08Details

Abstract

The invention discloses a high-temperature hard sealing ball valve, which comprises a rotary cover and a valve seat, wherein a valve rod shell is connected between the valve seat and the rotary cover, a heat insulation shell is arranged outside the valve seat, a connecting ring is welded at the upper end of the heat insulation shell, a sealing ring is arranged on the periphery of the lower end of the valve rod shell, a plurality of clamping blocks are uniformly welded on the periphery of the sealing ring, and the inner periphery of the connecting ring is provided with a plurality of corresponding clamping grooves corresponding to the clamping blocks, the invention ensures that the ball valve can normally work under high temperature environment by additionally arranging the heat insulation shell outside the valve seat, and the internal parts of the ball valve are not deformed due to high temperature by matching with the heat insulation base at the bottom, thereby influence normal use, through set up the sealing ring in valve rod shell and disk seat junction, cooperation and the tight connection structure of go-between make the inside leakproofness of ball valve show and improve, the setting of two sealing washers also makes the leakproofness of ball valve obtain certain promotion.

Description

High-temperature hard sealing ball valve
Technical Field
The invention relates to a ball valve, in particular to a high-temperature hard sealing ball valve.
Background
Ball valve, the open-close piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.
Ball valves have occupied important positions and functions in our daily life, but some problems still exist in the existing ball valves, such as some existing ball valves are not high temperature resistant, are easy to damage in high temperature environment, and have some problems of sealing performance after being used for a long time. Accordingly, one skilled in the art has provided a high temperature hard seal ball valve to solve the problems set forth in the background above.
Disclosure of Invention
The invention aims to provide a high-temperature hard sealing ball valve to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high temperature ball valve sealed firmly, is including changeing lid, disk seat and commentaries on classics are connected with the valve rod shell between covering, and the disk seat outside is provided with thermal-insulated shell, and the welding has the go-between on the thermal-insulated shell, the sealing ring is installed to the lower extreme week side of valve rod shell, and the even welding of all sides of sealing ring has a plurality of fixture blocks, and the interior periphery of go-between corresponds the fixture block and has seted up a plurality of corresponding draw-in grooves, change the lid internal rotation and be connected with the gear, gear one side.
As a further scheme of the invention: the both ends are connected with input tube and output tube respectively about thermal-insulated shell, and the flange is all installed to input tube and output tube outer end.
As a still further scheme of the invention: the valve seat is communicated with the inner parts of the input pipe and the output pipe, and sealing rings II are arranged at the joints of the valve seat and the input pipe and the output pipe.
As a still further scheme of the invention: a plurality of bolts I are connected between the sealing ring and the heat insulation shell in a threaded mode, and a sealing ring I is arranged between the sealing ring and the valve rod shell.
As a still further scheme of the invention: a threaded hole is formed in the fixture block, and a second bolt is connected between the threaded hole and the connecting ring in a threaded mode.
As a still further scheme of the invention: the bottom of the heat insulation shell is fixedly provided with a connecting bottom ring, the lower part of the connecting bottom ring is provided with a heat insulation bottom support, and a third bolt is connected between the connecting bottom ring and the heat insulation bottom support in a threaded manner.
As a still further scheme of the invention: one end of the worm is connected with a rotating rod, and a rotating handle is welded at the outer end of the rotating rod.
As a still further scheme of the invention: the inside valve body that is connected with of disk seat rotates, and the valve body upper end is connected with the valve rod that is located the inside of valve rod shell, and valve rod upper end and gear fixed connection.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat insulation shell is additionally arranged outside the valve seat, so that the ball valve can normally work in a high-temperature environment, and internal parts of the ball valve cannot be deformed due to high temperature by matching with the heat insulation base at the bottom, so that the normal use is influenced.
2. According to the invention, the sealing ring is arranged at the joint of the valve rod shell and the valve seat, and the sealing structure tight with the connecting ring is matched, so that the internal sealing performance of the ball valve is obviously improved, and the sealing performance of the ball valve is improved to a certain extent due to the arrangement of the two sealing rings.
Drawings
Fig. 1 is a schematic structural diagram of a high-temperature hard seal ball valve.
Fig. 2 is a schematic diagram of the internal structure of a high-temperature hard-seal ball valve.
Fig. 3 is a schematic top view of a valve seat of a high temperature hard seal ball valve.
Fig. 4 is a schematic view showing an external structure of an insulated housing in a high-temperature hard-sealed ball valve.
In the figure: 1. rotating the cover; 2. turning the hand; 3. a rotating rod; 4. a valve stem housing; 5. a seal ring; 6. a first bolt; 7. a second bolt; 8. a flange; 9. a connecting ring; 10. an input tube; 11. a thermally insulated housing; 12. an output pipe; 13. a connecting bottom ring; 14. A third bolt; 15. a heat insulation bottom support; 16. a gear; 17. a worm; 18. a valve stem; 19. a first sealing ring; 20. a clamping block; 21. A second sealing ring; 22. a valve body; 23. a card slot; 24. a valve seat.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the present invention, a high temperature hard seal ball valve includes a rotary cover 1 and a valve seat 24, a valve rod housing 4 is connected between the valve seat 24 and the rotary cover 1, a heat insulation housing 11 is disposed outside the valve seat 24, an input pipe 10 and an output pipe 12 are respectively connected to left and right ends of the heat insulation housing 11, flanges 8 are respectively installed at outer ends of the input pipe 10 and the output pipe 12, the ball valve is installed by connecting the input pipe 10 and the flange 8 at one end of the output pipe 12, the valve seat 24 is communicated with the input pipe 10 and the output pipe 12, a second sealing ring 21 is disposed at a connection position of the valve seat 24 and the input pipe 10 and the output pipe 12, a connecting bottom ring 13 is fixedly installed at the bottom of the heat insulation housing 11, a heat insulation bottom support 15 is disposed at a lower portion of the connecting bottom ring 13, a third bolt 14 is, the ball valve can work normally under high temperature environment, and the internal parts of the ball valve are not deformed by high temperature by matching with the heat insulation bottom support 15 at the bottom, so that the normal use is influenced;
the upper end of the heat insulation shell 11 is welded with a connecting ring 9, the lower end periphery of the valve rod shell 4 is provided with a sealing ring 5, a plurality of first bolts 6 are connected between the sealing ring 5 and the heat insulation shell 11 in a threaded manner, a first sealing ring 19 is arranged between the sealing ring 5 and the valve rod shell 4, the sealing ring 5 is arranged at the joint of the valve rod shell 4 and the valve seat 24 and is matched with a tight connecting structure of the connecting ring 9, so that the internal sealing performance of the ball valve is obviously improved, the sealing performance of the ball valve is further improved due to the arrangement of the two sealing rings, a plurality of clamping blocks 20 are uniformly welded on the periphery of the sealing ring 5, a plurality of corresponding clamping grooves 23 are arranged on the periphery of the connecting ring 9 corresponding to the clamping blocks 20, threaded holes are formed in the clamping blocks 20, a second bolt 7 is connected between the threaded holes and, and worm 17 and gear 16 meshing, worm 17 one end is connected with bull stick 3, and the welding of 3 outer ends of bull stick has runner 2, and the inside rotation of disk seat 24 is connected with valve body 22, and valve body 22 upper end is connected with the valve rod 18 that is located the inside of valve rod shell 4, and valve rod 18 upper end and gear 16 fixed connection rotate runner 2, make worm 17 rotate through the transmission of bull stick 3, worm 17 then leads to valve rod 18 to rotate owing to meshing with gear 16, and valve rod 18 makes valve body 22 rotate.
The working principle of the invention is as follows:
when the high-temperature sealing ball valve is used, the input pipe 10 is connected with the flange 8 at one end of the output pipe 12 to install the ball valve, the heat insulation shell 11 is additionally arranged outside the valve seat 24 to ensure that the ball valve can also work normally in a high-temperature environment, the heat insulation bottom support 15 at the bottom is matched to prevent internal parts of the ball valve from being deformed due to high temperature, so that normal use is influenced, the sealing ring 5 is arranged at the joint of the valve rod shell 4 and the valve seat 24, and the connecting structure with the connecting ring 9 is matched to obviously improve the internal sealing performance of the ball valve, the sealing performance of the ball valve is further improved due to the arrangement of the two sealing rings, the rotating handle 2 is rotated, the worm 17 is rotated through the transmission of the rotating rod 3, the worm 17 is meshed with the gear 16, so that the valve rod 18 rotates, and.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The utility model provides a high temperature ball valve sealed firmly, is including changeing lid (1), disk seat (24), its characterized in that, disk seat (24) and change and be connected with valve rod shell (4) between lid (1), and disk seat (24) outside is provided with thermal-insulated shell (11), and the welding of thermal-insulated shell (11) upper end has go-between (9), sealing ring (5) are installed to the lower extreme week side of valve rod shell (4), and sealing ring (5) week side uniform weld has a plurality of fixture blocks (20), and the interior week side of go-between (9) corresponds fixture block (20) and has seted up a plurality of corresponding draw-in grooves (23), it is connected with gear (16) to change lid (1) internal rotation, and gear (16) one side is equipped with to rotate and connects in changeing the inside worm (17) of lid.
2. A high-temperature hard sealing ball valve according to claim 1, characterized in that the input pipe (10) and the output pipe (12) are respectively connected to the left and right ends of the heat insulation shell (11), and the outer ends of the input pipe (10) and the output pipe (12) are respectively provided with a flange (8).
3. A high temperature hard sealing ball valve according to claim 1, characterized in that the valve seat (24) is communicated with the inside of the input pipe (10) and the output pipe (12), and the joints of the valve seat (24) and the input pipe (10) and the output pipe (12) are provided with two sealing rings (21).
4. A high-temperature hard-sealing ball valve according to claim 1, characterized in that a plurality of bolts (6) are connected between the sealing ring (5) and the heat insulation shell (11) in a threaded manner, and a first sealing ring (19) is arranged between the sealing ring (5) and the valve rod shell (4).
5. The high-temperature hard sealing ball valve according to claim 1, wherein a threaded hole is formed in the fixture block (20), and a second bolt (7) is connected between the threaded hole and the connecting ring (9) in a threaded manner.
6. A high-temperature hard sealing ball valve according to claim 1, characterized in that a connecting bottom ring (13) is fixedly installed at the bottom of the heat insulation shell (11), a heat insulation bottom support (15) is arranged at the lower part of the connecting bottom ring (13), and a third bolt (14) is connected between the connecting bottom ring (13) and the heat insulation bottom support (15) in a threaded manner.
7. A high temperature hard sealing ball valve according to claim 1, characterized in that one end of the worm (17) is connected with a rotating rod (3), and the outer end of the rotating rod (3) is welded with a rotating handle (2).
8. A high temperature hard sealing ball valve according to claim 1, characterized in that the valve body (22) is rotatably connected inside the valve seat (24), the upper end of the valve body (22) is connected with the valve rod (18) inside the valve rod housing (4), and the upper end of the valve rod (18) is fixedly connected with the gear (16).
CN202010842372.4A 2020-08-20 2020-08-20 High-temperature hard sealing ball valve Pending CN111998089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010842372.4A CN111998089A (en) 2020-08-20 2020-08-20 High-temperature hard sealing ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010842372.4A CN111998089A (en) 2020-08-20 2020-08-20 High-temperature hard sealing ball valve

Publications (1)

Publication Number Publication Date
CN111998089A true CN111998089A (en) 2020-11-27

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Application Number Title Priority Date Filing Date
CN202010842372.4A Pending CN111998089A (en) 2020-08-20 2020-08-20 High-temperature hard sealing ball valve

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CN (1) CN111998089A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115355330A (en) * 2022-10-21 2022-11-18 泰伦机械(苏州)有限公司 Efficient and sealed ball valve for petroleum conveying pipeline

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1067419A (en) * 1964-06-10 1967-05-03 Grove Valve & Regulator Co Rotary fluid flow control valves
CN102803883A (en) * 2010-03-15 2012-11-28 保尔伍斯股份有限公司 Hot blast control valve for a metallurgical installation
CN202674362U (en) * 2012-05-16 2013-01-16 宁波长壁流体动力科技有限公司 Mass-flow spherical stop valve used under a coal mine
CN106439088A (en) * 2016-11-07 2017-02-22 施瑞德阀门(厦门)有限公司 Multi-section pre-tightening zirconia ceramic ball valve
CN108895175A (en) * 2018-08-30 2018-11-27 昆山维萨阀门有限公司 A kind of metal hard-sealing ball valve
CN210240639U (en) * 2019-07-23 2020-04-03 靖江双久泵阀制造有限公司 Bury formula ball valve disk seat that stability can be good
CN210949984U (en) * 2019-09-06 2020-07-07 温州加泰阀门科技有限公司 Novel ball valve
CN111503304A (en) * 2020-04-08 2020-08-07 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) Ball valve and assembling method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1067419A (en) * 1964-06-10 1967-05-03 Grove Valve & Regulator Co Rotary fluid flow control valves
CN102803883A (en) * 2010-03-15 2012-11-28 保尔伍斯股份有限公司 Hot blast control valve for a metallurgical installation
CN202674362U (en) * 2012-05-16 2013-01-16 宁波长壁流体动力科技有限公司 Mass-flow spherical stop valve used under a coal mine
CN106439088A (en) * 2016-11-07 2017-02-22 施瑞德阀门(厦门)有限公司 Multi-section pre-tightening zirconia ceramic ball valve
CN108895175A (en) * 2018-08-30 2018-11-27 昆山维萨阀门有限公司 A kind of metal hard-sealing ball valve
CN210240639U (en) * 2019-07-23 2020-04-03 靖江双久泵阀制造有限公司 Bury formula ball valve disk seat that stability can be good
CN210949984U (en) * 2019-09-06 2020-07-07 温州加泰阀门科技有限公司 Novel ball valve
CN111503304A (en) * 2020-04-08 2020-08-07 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) Ball valve and assembling method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115355330A (en) * 2022-10-21 2022-11-18 泰伦机械(苏州)有限公司 Efficient and sealed ball valve for petroleum conveying pipeline

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Application publication date: 20201127