CN113738906A - Mixed sealed top-mounted low-temperature ball valve - Google Patents
Mixed sealed top-mounted low-temperature ball valve Download PDFInfo
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- CN113738906A CN113738906A CN202111093199.3A CN202111093199A CN113738906A CN 113738906 A CN113738906 A CN 113738906A CN 202111093199 A CN202111093199 A CN 202111093199A CN 113738906 A CN113738906 A CN 113738906A
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- fixedly connected
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- aqueous solution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug 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
- F16K5/06—Plug 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
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug 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
- F16K5/08—Details
Abstract
The invention discloses a mixed sealing type top-mounted low-temperature ball valve, which belongs to the field of ball valves, and comprises a mixed sealing type top-mounted low-temperature ball valve, wherein gas enters an elastic balloon through a first through hole and a second through hole to enable the elastic balloon to be expanded continuously, the expanded elastic balloon pushes a pricker to press downwards continuously, so that an aqueous solution storage balloon and a quicklime storage balloon are pressed, the inner cavity of the elastic balloon is filled with the gas continuously to enable the elastic balloon to be expanded continuously, finally, the pricker crushes the aqueous solution storage balloon and the quicklime storage balloon one by one, the aqueous solution and the quicklime fully react in the inner cavity of a reaction cavity, a deformation memory metal ring is deformed by the heat of the aqueous solution and the quicklime storage balloon, the deformed deformation memory metal ring is matched with a valve rod to extrude rubber filler, and the sealing performance of the joint of the valve rod and the rubber filler is improved, can temporarily and timely prevent gas leakage and provide sufficient time for personnel to overhaul.
Description
Technical Field
The invention relates to the field of ball valves, in particular to a hybrid sealing type top-mounted low-temperature ball valve.
Background
The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment. The ball valve is most suitable for being used as a switch and a stop valve, namely a V-shaped ball valve. Besides the parameters of the pipeline, the electric valve should be particularly used under the environmental conditions, and the usage status of the electric valve is greatly influenced by the usage environment because the electric device in the electric valve is an electromechanical device. Under the general state, the electric ball valve and the butterfly valve are used in the following environments to pay special attention, and in China, the ball valve is widely applied to the industries of petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy. It has the action of rotating 90 degrees, the cock body is a sphere, and a circular through hole or a channel passes through the axis of the cock body.
Some current low temperature ball valves universal action are gaseous transport operation, the valve rod rubs with the inside rubber seal of gland packing and valve spheroid and pipeline for a long time, lead to rubber seal and gland packing's surface to appear wearing and tearing easily, under the condition of wearing and tearing appears in rubber seal and gland packing, the phenomenon of leaking appears in gaseous easy appearance, traditional low temperature ball valve is when meetting the phenomenon of gas leakage, be not convenient for fill out the department of leaking, be not convenient for in time prevent gaseous leakage, be not convenient for in time remind the staff to overhaul.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a mixed sealing type top-mounted low-temperature ball valve, when gas leakage occurs between a cut-off ball body and a sealing rubber ring, the leaked gas flows to the joint of a valve rod and a rubber filler, the leaked gas overflows from the joint to the outside, when the gas overflows to a cut-off annular groove, the gas enters the inner part of an elastic balloon through a first through hole and a second through hole, so that the elastic balloon is continuously expanded, the expanded elastic balloon continuously pushes a puncture cone to press down, so as to press the aqueous solution storage balloon and a quicklime storage balloon, the inner cavity of the elastic balloon is continuously filled with the gas, so that the elastic balloon is continuously expanded, finally, the puncture cone gradually breaks the aqueous solution storage balloon and the quicklime storage balloon, and the aqueous solution and the quicklime fully react in the inner cavity of a reaction cavity, releasing a large amount of heat, enabling the deformation memory metal ring to deform, enabling the deformed deformation memory metal ring to be matched with the valve rod to extrude the rubber packing, improving the sealing performance of the joint of the valve rod and the rubber packing, temporarily and timely preventing gas leakage, providing sufficient time for workers to overhaul, enabling the water solution to react with the quicklime to generate clarified limewater, enabling the clarified limewater to enter the transparent display box through the communicating cavity, enabling the clarified limewater to permeate the one-way permeable membrane to drip into the litmus solution, enabling the litmus solution to change color, warning the workers that the ball valve has the phenomenon of gas leakage, timely performing maintenance and overhaul, enabling the water solution and the quicklime to fully react in the inner cavity of the reaction cavity, enabling the released heat to be conducted to the inside of the sealing rubber ring through the first heat conduction channel and the second heat conduction channel in a matched manner with the heat conduction pipe and the first splicing pipe and the second splicing pipe, make inside carbon dioxide annular gasbag of sealing rubber ring take place the inflation, finally make the sealing rubber ring expand, thereby extrude the spheroid that dams, from the temporary prevention gas leakage of root, some entering shunt tubes of its conducted heat, heat the inside air of shunt tubes, the inside hot-air of shunt tubes passes through the whistle and constantly carries to the external world, carry out the circulation of air at the inner chamber of whistle, can blow the whistle, can further warn staff this ball valve and take place the phenomenon of gas leakage, cooperate the discolouration of litmus solution again, can confirm that this ball valve has taken place the phenomenon of gas leakage, in time overhaul.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a mixed canned type top-mounted formula low temperature ball valve, includes the disk seat pipeline, the left end fixedly connected with butt joint pipeline of disk seat pipeline, the upper end of disk seat pipeline is rotated and is connected with the valve rod, the lower extreme fixedly connected with of valve rod dams the spheroid, the spheroid that dams is located the pipeline inner chamber of disk seat pipeline, the upper end of disk seat pipeline is inlayed and is equipped with linking ring, the outer periphery of linking ring sets the bolt, the bolt runs through the disk seat pipeline and links up ring thread connection, the lower extreme fixedly connected with of linking ring links up a section of thick bamboo, it is located the outside of valve rod to link up a section of thick bamboo, the inner wall fixedly connected with deformation memory metal ring of linking a section of thick bamboo, the inner wall fixedly connected with rubber packing of deformation memory metal ring, rubber packing contacts with the outer periphery of valve rod, the inner wall of rubber packing is opened and is chiseled and is cut the ring channel, the inner wall that cuts the ring channel is opened has first through-hole, the upper end of the connection cylinder and the deformation memory metal ring is provided with a second through hole, the second through hole is matched with the first through hole, the outer circumferential surface of the connection cylinder is fixedly connected with an elastic air bag, the inner cavity of the elastic air bag is communicated with the cut-off ring groove through the first through hole and the second through hole, the lower end of the elastic air bag is fixedly connected with a stabbing cone, the lower end of the elastic air bag is fixedly connected with a connection rope, the lower end of the connection rope is fixedly connected with a water solution storage ball bag, the water solution storage ball bag is hung below the stabbing cone through the connection rope, the lower end of the water solution storage ball bag is fixedly connected with a quicklime storage ball bag, the quicklime storage ball bag and the water solution storage ball bag are mutually staggered and distributed, when gas leakage occurs between the cut-off ball body and the sealing rubber ring, the leaked gas flows to the joint of the valve rod and the rubber filler, leaked gas overflows from the joint to the outside, when the gas overflows to the cut-off annular groove, the gas enters the elastic airbag through the first through hole and the second through hole, so that the elastic airbag is expanded continuously, the expanded elastic airbag pushes the pricker to press downwards, so as to compress the aqueous solution storage balloon and the quicklime storage balloon, the gas is filled into the inner cavity of the elastic airbag continuously along with the gas, so that the elastic airbag is expanded continuously, finally, the pricker crushes the aqueous solution storage balloon and the quicklime storage balloon one by one, so that the aqueous solution and the quicklime fully react in the inner cavity of the reaction cavity, a large amount of heat is released, the heat causes the deformation memory metal ring to deform, the deformed deformation memory metal ring is matched with the valve rod to extrude the rubber filler, the sealing performance of the joint of the valve rod and the rubber filler is improved, and the gas leakage can be temporarily prevented in time, and sufficient time is provided for the maintenance of workers.
Further, the valve seat pipeline and the valve rod are matched to form a reaction cavity, the water solution storage balloon and the quicklime storage balloon are located in an inner cavity of the reaction cavity, an embedded hole is formed in the outer end of the valve seat pipeline, a leather plug is embedded in the inner cavity of the embedded hole, a transparent display box is fixedly connected to the lower end of the leather plug, a one-way permeable membrane is fixedly connected to the inner wall of the transparent display box, a litmus solution is filled in the inner cavity of the transparent display box and located below the one-way permeable membrane, a communicated cavity is formed in the leather plug, the reaction cavity is communicated with the inner cavity of the obvious display box through the communicated cavity, clear limewater is generated through reaction of the water and the quicklime, the clear limewater enters the inside of the transparent display box through the communicated cavity, and the permeable one-way permeable membrane is dripped into the litmus solution through the clear limewater, make litmus solution will change the colour, can warn the staff this ball valve and taken place the phenomenon of gas leakage, can in time maintain and overhaul.
Further, the inner wall of the valve seat pipe and the inner wall of the butt joint pipe are fixedly connected with sealing rubber rings, the sealing rubber rings are in contact with the outer spherical surface of the intercepting sphere, the inner part of each sealing rubber ring is fixedly connected with a carbon dioxide annular air bag, the outer circumferential surface of each sealing rubber ring is provided with a heat receiving groove, the upper end of the valve seat pipe and the upper end of the butt joint pipe are provided with heat conducting holes, the heat conducting holes are matched with the heat receiving grooves, the upper end of the valve seat pipe is fixedly connected with a heat conducting pipe, the heat conducting holes at the upper end of the valve seat pipe are communicated with the heat conducting pipe, the inner part of the heat conducting pipe is provided with a first heat conducting channel and a second heat conducting channel, the first heat conducting channel and the second heat conducting channel are communicated with the reaction cavity, and the first heat conducting channel is communicated with the heat conducting pipe, the upper end of the valve seat pipeline is fixedly connected with a first splicing pipe which is communicated with the second heat conduction channel, the upper end of the butt joint pipeline is fixedly connected with a second splicing pipe, a heat conduction hole positioned at the upper end of the butt joint pipeline is communicated with the second splicing pipe, the upper end of the second splicing pipe is in threaded connection with a threaded connection ring, the second splicing pipe is fixedly connected with the first splicing pipe through the threaded connection ring, the aqueous solution and the quicklime fully react in the inner cavity of the reaction cavity, the released heat is conducted to the inside of the sealing rubber ring through the first heat conduction channel, the second heat conduction channel, the heat conduction pipe, the first splicing pipe and the second splicing pipe, the carbon dioxide annular air bag in the sealing rubber ring expands, and the sealing rubber ring expands finally, so that the closure ball body is extruded, and gas leakage is temporarily prevented from the root.
Further, the outer periphery fixedly connected with shunt tubes of heat pipe, be linked together between shunt tubes and the heat pipe, the one end fixedly connected with whistle of heat pipe is kept away from to the shunt tubes, and some entering shunt tubes of the heat of its conduction heat, the inside air of heating shunt tubes, and the inside hot-air of shunt tubes carries to the external world through the whistle is continuous, carries out the circulation of air at the inner chamber of whistle, can blow the whistle, can further warn the staff this ball valve and taken place gas leakage's phenomenon, and the discolour of stone pistil solution is reconciled, can confirm that this ball valve has taken place gas leakage's phenomenon, in time overhauls.
Furthermore, the connection ring forms a detachable structure through the bolt and the valve seat pipeline, so that the connection ring is convenient to detach, and parts fixed on the connection ring are convenient to replace.
Further, the inner bottom end of reaction cavity is equipped with glues glutinous layer, the outer sphere of quick lime storage sacculus is mutually bonded with the inner bottom end of reaction cavity, when the inside of aqueous solution storage sacculus and quick lime storage sacculus embedding reaction cavity, through gluing glutinous layer for aqueous solution storage sacculus and quick lime storage sacculus keep vertical state, and the later stage of being convenient for carries out abundant extrusion to aqueous solution storage sacculus and quick lime storage sacculus.
Further, the shape memory metal ring is made of nickel-titanium alloy materials, the metamorphosis temperature of the shape memory metal ring is 40 ℃, the temperature generated by the reaction of aqueous solution and quick lime is far greater than 40 ℃, and the blocking aging of the leaked gas can be effectively improved.
Further, the transparent display box is made of laminated glass materials, a transparent silica gel layer is arranged on the surface of the transparent display box, toughness of the transparent display box is improved, the transparent display box is prevented from being broken, and litmus solution loss is avoided.
Furthermore, the inner wall of the communicating cavity is provided with a hydrophobic coating, so that the circulation rate of the clear limewater is increased, the litmus solution can change color faster, and a whistle is matched to awaken a worker in time.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) when gas leakage occurs between the intercepting sphere and the sealing rubber ring, the leaked gas flows to the joint of the valve rod and the rubber filler, the leaked gas overflows from the joint to the outside, when the gas overflows to the cut-off annular groove, the gas enters the elastic airbag through the first through hole and the second through hole to enable the elastic airbag to continuously expand, the expanded elastic airbag continuously pushes the stabbing cone to press down, so that the water solution storage balloon and the quicklime storage balloon are pressed, the inner cavity of the elastic airbag is continuously filled with the gas to enable the elastic airbag to continuously expand, finally the stabbing cone gradually breaks the water solution storage balloon and the quicklime storage balloon, the water solution and the quicklime fully react in the inner cavity of the reaction cavity, a large amount of heat is released, and the heat enables the deformation memory metal ring to deform, the deformation memory metal ring cooperation valve rod of deformation will extrude rubber packing, improves the leakproofness of valve rod and rubber packing laminating department, and the timely prevention gas leakage that can be temporary provides sufficient time for the staff overhauls.
(2) The valve seat pipeline and the valve rod are matched to form a reaction cavity, the water solution storage balloon and the quicklime storage balloon are positioned in an inner cavity of the reaction cavity, an embedding hole is formed in the outer end of the valve seat pipeline, a leather plug is embedded in the inner cavity of the embedding hole, a transparent display box is fixedly connected to the lower end of the leather plug, a one-way permeable membrane is fixedly connected to the inner wall of the transparent display box, litmus solution is filled in the inner cavity of the transparent display box and is positioned below the one-way permeable membrane, a communicating cavity is formed in the leather plug, the reaction cavity is communicated with the inner cavity of the obvious display box through the communicating cavity, clarified limewater is generated through the reaction of the water solution and the quicklime, the clarified limewater enters the inner part of the transparent display box through the communicating cavity, the clarified limewater penetrates into the one-way permeable membrane to be dripped into the litmus solution, the litmus solution is enabled to change the color, and workers can be warned that the ball valve has gas leakage phenomenon, and maintenance and repair can be carried out in time.
(3) The inner wall of the valve seat pipeline and the inner wall of the butt joint pipeline are fixedly connected with sealing rubber rings, the sealing rubber rings are contacted with the outer spherical surface of the intercepting sphere, the inner part of each sealing rubber ring is fixedly connected with a carbon dioxide annular air bag, the outer circumferential surface of each sealing rubber ring is provided with a heat receiving groove, the upper end of the valve seat pipeline and the upper end of the butt joint pipeline are provided with heat conducting holes, the heat conducting holes are matched with the heat receiving grooves, the upper end of the valve seat pipeline is fixedly connected with a heat conducting pipe, the heat conducting holes at the upper end of the valve seat pipeline are communicated with the heat conducting pipe, the inner part of the heat conducting pipe is provided with a first heat conducting channel and a second heat conducting channel, the first heat conducting channel and the second heat conducting channel are communicated with the reaction cavity, the first heat conducting channel is communicated with the heat conducting pipe, the upper end of the valve seat pipeline is fixedly connected with a first splicing pipe, and the first splicing pipe is communicated with the second heat conducting channel, butt joint pipeline upper end fixedly connected with second concatenation pipe, be located and be linked together between heat conduction hole and the second concatenation pipe of butt joint pipeline upper end, the upper end threaded connection of second concatenation pipe has the threaded connection ring, the second concatenation pipe passes through the threaded connection ring and constitutes fixed connection with first concatenation pipe, aqueous solution and quick lime fully react in the inner chamber of reaction cavity, the heat that releases will cooperate the heat pipe and the inside of first concatenation pipe and second concatenation pipe conduction to the sealing rubber ring again through first heat conduction channel and second heat conduction channel, make the inside carbon dioxide annular gasbag of sealing rubber ring take place the inflation, finally make the sealing rubber ring expand, thereby extrude the spheroid that dams, from the temporary prevention gas leakage of root cause department.
(4) The outer periphery fixedly connected with shunt tubes of heat pipe, be linked together between shunt tubes and the heat pipe, the one end fixedly connected with whistle that the heat pipe was kept away from to the shunt tubes, some entering shunt tubes of its conducted heat, the inside air of heating shunt tubes, the inside hot-air of shunt tubes passes through the whistle and is constantly carried to the external world, carry out the circulation of air at the inner chamber of whistle, can blow the whistle, can further warn staff this ball valve and take place the phenomenon of gas leakage, cooperate the discolouration of litmus solution again, can confirm that this ball valve has taken place the phenomenon of gas leakage, in time overhaul.
(5) The connection ring forms a detachable structure with the valve seat pipeline through the bolt, so that the connection ring is convenient to detach, and parts fixed on the connection ring are convenient to replace.
(6) The inner bottom end of reaction cavity is equipped with glues glutinous layer, and the ectosphere of quick lime storage sacculus is mutually bonded with the inner bottom end of reaction cavity, when the inside of aqueous solution storage sacculus and quick lime storage sacculus embedding reaction cavity, through gluing glutinous layer for aqueous solution storage sacculus and quick lime storage sacculus keep vertical state, and the later stage of being convenient for carries out abundant extrusion to aqueous solution storage sacculus and quick lime storage sacculus.
(7) The deformation memory metal ring is made of nickel-titanium alloy materials, the metamorphosis temperature of the deformation memory metal ring is 40 ℃, the temperature generated by the reaction of aqueous solution and quick lime is far higher than 40 ℃, and the blocking aging of leaked gas can be effectively improved.
(8) Transparent display box adopts doubling glass material to make, and transparent display box's surface is equipped with transparent silica gel layer, improves transparent display box's toughness, prevents that transparent display box is broken, the phenomenon that litmus solution runs off appears.
(9) The inner wall of the communicating cavity is provided with the hydrophobic coating, so that the circulation rate of the clear lime water is improved, the litmus solution can change color faster, and the staff can be awakened in time by matching with a whistle.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the butt-jointed pipe structure of the present invention;
FIG. 3 is a schematic view of a valve seat conduit configuration of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 is a schematic view of a partial structure of the upper end of the seat tube of the present invention;
FIG. 6 is an enlarged view of FIG. 5 at B;
FIG. 7 is a schematic view of the adapter ring mounting structure of the present invention.
The reference numbers in the figures illustrate:
1 valve seat pipeline, 2 butt joint pipeline, 3 valve rod, 4 closure ball, 5 connection ring, 6 bolt, 7 connection cylinder, 8 deformation memory metal ring, 9 rubber packing, 10 cut annular groove, 11 first through hole, 12 second through hole, 13 elastic air bag, 14 thorn cone, 15 connection rope, 16 aqueous solution storage air bag, 17 quicklime storage air bag, 18 reaction cavity, 19 embedding hole, 20 leather plug, 21 transparent display box, 22 one-way permeable membrane, 23 litmus solution, 24 communication cavity, 25 sealing rubber ring, 26 carbon dioxide annular air bag, 27 heated groove, 28 heat conduction hole, 29 heat conduction pipe, 2901 shunt pipe, 2902 whistle, 30 first heat conduction channel, 31 second connection pipe, 32 threaded connection ring, 33 second heat conduction channel, 34 first connection pipe.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1, 3 and 5-7, a hybrid sealing type top-mounted low temperature ball valve comprises a valve seat pipeline 1, a butt joint pipeline 2 is fixedly connected to the left end of the valve seat pipeline 1, a valve rod 3 is rotatably connected to the upper end of the valve seat pipeline 1, a cut-off ball 4 is fixedly connected to the lower end of the valve rod 3, the cut-off ball 4 is located in the pipeline inner cavity of the valve seat pipeline 1, a connecting ring 5 is embedded in the upper end of the valve seat pipeline 1, a bolt 6 is arranged on the outer circumferential surface of the connecting ring 5, the bolt 6 penetrates through the valve seat pipeline 1 and is in threaded connection with the connecting ring 5, a connecting cylinder 7 is fixedly connected to the lower end of the connecting ring 5, the connecting cylinder 7 is located on the outer side of the valve rod 3, a deformation memory metal ring 8 is fixedly connected to the inner wall of the connecting cylinder 7, a rubber packing 9 is fixedly connected to the inner wall of the deformation memory metal ring 8, the rubber packing 9 is in contact with the outer circumferential surface of the valve rod 3, and a cut-off annular groove 10 is chiseled on the inner wall of the rubber packing 9, the inner wall of the intercepting ring groove 10 is provided with a first through hole 11, the upper ends of the connecting cylinder 7 and the deformation memory metal ring 8 are provided with a second through hole 12, the second through hole 12 is matched with the first through hole 11, the outer circumferential surface of the connecting cylinder 7 is fixedly connected with an elastic air bag 13, the inner cavity of the elastic air bag 13 is communicated with the intercepting ring groove 10 through the first through hole 11 and the second through hole 12, the lower end of the elastic air bag 13 is fixedly connected with a thorn cone 14, the lower end of the elastic air bag 13 is fixedly connected with a connecting rope 15, the lower end of the connecting rope 15 is fixedly connected with an aqueous solution storage ball bag 16, the aqueous solution storage ball bag 16 is hung below the thorn cone 14 through the connecting rope 15, the lower end of the aqueous solution storage ball bag 16 is fixedly connected with a quicklime storage ball bag 17, the quicklime storage ball bag 17 and the aqueous solution storage ball bag 16 are distributed in a mutually staggered mode, when gas leakage occurs between the intercepting ball 4 and the sealing rubber ring 25, the leaked gas flows to the joint of the valve rod 3 and the rubber packing 9, the leaked gas overflows from the joint to the outside, when the gas overflows to the cut-off annular groove 10, the gas enters the elastic air bag 13 through the first through hole 11 and the second through hole 12, so that the elastic air bag 13 is continuously expanded, the expanded elastic air bag 13 continuously pushes the puncture cone 14 to press down, so as to compress the aqueous solution storage air bag 16 and the quicklime storage air bag 17, the inner cavity of the elastic air bag 13 is continuously filled with the gas, so that the elastic air bag 13 is continuously expanded, finally, the puncture cone 14 gradually crushes the aqueous solution storage air bag 16 and the quicklime storage air bag 17, so that the aqueous solution and the quicklime fully react in the inner cavity of the reaction cavity 18, a large amount of heat is released, the deformation memory metal ring 8 is deformed by the heat, and the deformed memory metal ring 8 is matched with the valve rod 3 to extrude the rubber packing 9, the sealing performance of the joint of the valve rod 3 and the rubber packing 9 is improved, gas leakage can be temporarily prevented in time, and sufficient time is provided for the maintenance of workers.
Referring to fig. 1-4, a reaction cavity 18 is formed by matching a valve seat pipeline 1 and a valve rod 3, an aqueous solution storage balloon 16 and a quicklime storage balloon 17 are positioned in an inner cavity of the reaction cavity 18, an embedding hole 19 is drilled at the outer end of the valve seat pipeline 1, a leather plug 20 is embedded in the inner cavity of the embedding hole 19, a transparent display box 21 is fixedly connected to the lower end of the leather plug 20, a one-way permeable membrane 22 is fixedly connected to the inner wall of the transparent display box 21, a litmus solution 23 is filled in the inner cavity of the transparent display box 21, the litmus solution 23 is positioned below the one-way permeable membrane 22, a communication cavity 24 is drilled in the leather plug 20, the reaction cavity 18 is communicated with the inner cavity of the display box 21 through the communication cavity 24, the aqueous solution reacts with quicklime to generate clarified limewater, the clarified limewater enters the interior of the transparent display box 21 through the communication cavity 24, the clarified limewater drips the permeated one-way permeable membrane 22 into the litmus solution 23, so that the litmus solution 23 will change color, and can warn the worker that the ball valve has gas leakage, and can timely maintain and repair, the inner wall of the valve seat pipe 1 and the inner wall of the butt joint pipe 2 are both fixedly connected with the sealing rubber ring 25, the sealing rubber ring 25 contacts with the outer spherical surface of the intercepting sphere 4, the inner part of the sealing rubber ring 25 is fixedly connected with the carbon dioxide annular air bag 26, the outer circumferential surface of the sealing rubber ring 25 is provided with the heat receiving groove 27, the upper end of the valve seat pipe 1 and the upper end of the butt joint pipe 2 are both provided with the heat conducting holes 28, the heat conducting holes 28 are matched with the heat receiving groove 27, the upper end of the valve seat pipe 1 is fixedly connected with the heat conducting pipe 29, the heat conducting holes 28 at the upper end of the valve seat pipe 1 are communicated with the heat conducting pipe 29, the heat conducting pipe 29 is internally provided with the first heat conducting channel 30 and the second heat conducting channel 33, the first heat conducting channel 30 and the second heat conducting channel 33 are both communicated with the reaction cavity 18, the first heat conduction channel 30 is communicated with the heat conduction pipe 29, the upper end of the valve seat pipe 1 is fixedly connected with a first splicing pipe 34, the first splicing pipe 34 is communicated with a second heat conduction channel 33, the upper end of the butt joint pipe 2 is fixedly connected with a second splicing pipe 31, a heat conduction hole 28 at the upper end of the butt joint pipe 2 is communicated with the second splicing pipe 31, the upper end of the second splicing pipe 31 is in threaded connection with a threaded connection ring 32, the second splicing pipe 31 is fixedly connected with the first splicing pipe 34 through the threaded connection ring 32, the aqueous solution and the quicklime fully react in the inner cavity of the reaction cavity 18, the released heat is conducted to the inside of the sealing rubber ring 25 through the first heat conduction channel 30 and the second heat conduction channel 33 in cooperation with the heat conduction pipe 29 and the first splicing pipe 34 and the second splicing pipe 31, so that the carbon dioxide annular air bag 26 in the sealing rubber ring 25 is expanded, finally, the sealing rubber ring 25 is expanded to extrude the intercepting ball 4, gas leakage is temporarily prevented from the root, the shunt pipe 2901 is fixedly connected to the outer circumferential surface of the heat pipe 29, the shunt pipe 2901 is communicated with the heat pipe 29, one end, far away from the heat pipe 29, of the shunt pipe 2901 is fixedly connected with the whistle 2902, part of heat conducted by the shunt pipe 2901 enters the shunt pipe 2901 to heat air inside the shunt pipe 2901, hot air inside the shunt pipe 2901 is continuously conveyed to the outside through the whistle 2902, air circulation is carried out in the inner cavity of the whistle 2902, the whistle can be sounded, a worker can be further warned that the ball valve has the gas leakage phenomenon, and the gas leakage phenomenon of the ball valve can be determined by matching with color change of the litmus solution 23, and timely overhaul can be carried out.
Please refer to fig. 3 and 7, the connection ring 5 forms a detachable structure with the valve seat pipeline 1 through the bolt 6, so as to facilitate the detachment of the connection ring 5 and the replacement of the parts fixed on the connection ring 5, the inner bottom end of the reaction cavity 18 is provided with an adhesive layer, the outer spherical surface of the quicklime storage balloon 17 is adhered to the inner bottom end of the reaction cavity 18, when the aqueous solution storage balloon 16 and the quicklime storage balloon 17 are embedded into the reaction cavity 18, the aqueous solution storage balloon 16 and the quicklime storage balloon 17 are kept in a vertical state through the adhesive layer, and the aqueous solution storage balloon 16 and the quicklime storage balloon 17 are fully extruded at a later stage.
Referring to fig. 5-7, the shape-change memory metal ring 8 is made of nickel-titanium alloy, the metamorphosis temperature of the shape-change memory metal ring 8 is 40 degrees, the temperature generated by the reaction of the aqueous solution and the quicklime is far greater than 40 degrees, which can effectively improve the blocking aging of the leaked gas, the transparent display box 21 is made of the laminated glass material, the surface of the transparent display box 21 is provided with a transparent silica gel layer, the toughness of the transparent display box 21 is improved, the transparent display box 21 is prevented from being broken, the litmus solution 23 is prevented from running off, the inner wall of the communicating cavity 24 is provided with a hydrophobic coating, the circulation rate of the clear limewater is improved, the litmus solution 23 can change color faster, and the staff can be awakened in time by matching with the whistle 2902.
The working principle is as follows: when gas leakage occurs between the intercepting sphere 4 and the sealing rubber ring 25, the leaked gas flows to the joint of the valve rod 3 and the rubber packing 9, the leaked gas overflows from the joint to the outside, when the gas overflows to the intercepting annular groove 10, the gas enters the elastic airbag 13 through the first through hole 11 and the second through hole 12, so that the elastic airbag 13 is continuously expanded, the expanded elastic airbag 13 continuously pushes the puncture cone 14 to press down, so as to compress the aqueous solution storage balloon 16 and the quicklime storage balloon 17, the gas is continuously filled into the inner cavity of the elastic airbag 13 along with the gas, so that the elastic airbag 13 is continuously expanded, finally, the puncture cone 14 gradually crushes the aqueous solution storage balloon 16 and the quicklime storage balloon 17, so that the aqueous solution and the quicklime fully react in the inner cavity of the reaction cavity 18, a large amount of heat is released, and the heat deforms the deformation memory metal ring 8, the deformed deformation memory metal ring 8 is matched with the valve rod 3 to extrude the rubber packing 9, the sealing performance of the joint of the valve rod 3 and the rubber packing 9 is improved, gas leakage can be temporarily prevented in time, sufficient time is provided for workers to overhaul, clarified lime water is generated through the reaction of aqueous solution and quick lime, the clarified lime water enters the transparent display box 21 through the communicating cavity 24, the clarified lime water permeates the one-way permeable membrane 22 and is dripped into the litmus solution 23, the litmus solution 23 can change the color, the workers can be warned that the gas leakage happens on the ball valve, maintenance and overhaul can be carried out in time, the aqueous solution and the quick lime fully react in the inner cavity of the reaction cavity 18, the released heat is conducted to the inside of the sealing rubber ring 25 through the first heat conduction channel 30 and the second heat conduction channel 33 and then matched with the heat conduction pipe 29 and the first splicing pipe 34 and the second splicing pipe 31, make inside carbon dioxide annular gasbag 26 of sealing rubber ring 25 take place the inflation, finally make sealing rubber ring 25 expand, thereby extrude damming spheroid 4, from the temporary prevention gas leakage of root, some entering shunt tubes 2901 of its conducted heat, heat the inside air of shunt tubes 2901, the inside hot-air of shunt tubes 2901 is constantly carried to the external world through whistle 2902, carry out the circulation of air at the inner chamber of whistle 2902, can blow whistle 2902, can further warn the staff this ball valve and take place the phenomenon of gas leakage, cooperate the discolour of litmus solution 23 again, can confirm that this ball valve has taken place the phenomenon of gas leakage, in time overhaul.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a mixed canned type top mounted formula low temperature ball valve, includes disk seat pipeline (1), its characterized in that: the left end fixedly connected with of disk seat pipeline (1) docks pipeline (2), the upper end of disk seat pipeline (1) is rotated and is connected with valve rod (3), the lower extreme fixedly connected with of valve rod (3) dams spheroid (4), the spheroid (4) that dams is located the pipeline inner chamber of disk seat pipeline (1), the upper end of disk seat pipeline (1) is inlayed and is equipped with linking ring (5), the outer periphery of linking ring (5) sets bolt (6), bolt (6) run through disk seat pipeline (1) and link ring (5) threaded connection, the lower extreme fixedly connected with of linking ring (5) links up a section of thick bamboo (7), it is located the outside of valve rod (3) to link up a section of thick bamboo (7), the inner wall fixedly connected with deformation memory becket (8) of deformation memory becket (8), the inner wall fixedly connected with rubber packing (9) of deformation memory becket (8), the outer periphery of rubber packing (9) and valve rod (3) contacts, the inner wall of rubber packing (9) is opened and chisels has and is cut ring channel (10), the inner wall that cuts ring channel (10) is opened and is chiseled and has first through-hole (11), the upper end that links up a section of thick bamboo (7) and deformation memory metal ring (8) is opened and is chiseled and has second through-hole (12), it is identical between second through-hole (12) and first through-hole (11), the outer periphery fixedly connected with elasticity gasbag (13) of linking up a section of thick bamboo (7), the inner chamber of elasticity gasbag (13) is linked together through first through-hole (11) and second through-hole (12) and cut between ring channel (10), the lower extreme fixedly connected with pricker (14) of elasticity gasbag (13), the lower extreme fixedly connected with connection rope (15) of elasticity gasbag (13), the lower extreme fixedly connected with aqueous solution storage sacculus (16) of connection rope (15), aqueous solution storage sacculus (16) hang in the below of bayonet (14) through connecting rope (15), the lower extreme fixedly connected with quicklime storage sacculus (17) of aqueous solution storage sacculus (16), crisscross distribution each other between quicklime storage sacculus (17) and aqueous solution storage sacculus (16).
2. The hybrid seal type top-loading cryogenic ball valve of claim 1, wherein: the valve seat pipeline (1) and the valve rod (3) are matched to form a reaction cavity (18), the aqueous solution storage balloon (16) and the quicklime storage balloon (17) are positioned in the inner cavity of the reaction cavity (18), the outer end of the valve seat pipeline (1) is provided with an embedding hole (19), the inner cavity of the embedding hole (19) is embedded with a leather plug (20), the lower end of the leather plug (20) is fixedly connected with a transparent display box (21), the inner wall of the transparent display box (21) is fixedly connected with a one-way permeable membrane (22), the inner cavity of the transparent display box (21) is filled with litmus solution (23), the litmus solution (23) is positioned below the one-way permeable membrane (22), the inner part of the leather plug (20) is provided with a communicating cavity (24), and the reaction cavity (18) is communicated with the inner cavity of the display box (21) through the communicating cavity (24).
3. The hybrid seal type top-loading cryogenic ball valve of claim 1, wherein: the inner wall of the valve seat pipeline (1) and the inner wall of the butt joint pipeline (2) are fixedly connected with sealing rubber rings (25), the sealing rubber rings (25) are in contact with the outer spherical surface of the intercepting sphere (4), carbon dioxide annular airbags (26) are fixedly connected inside the sealing rubber rings (25), heat receiving grooves (27) are formed in the outer circumferential surface of the sealing rubber rings (25), heat conducting holes (28) are formed in the upper end of the valve seat pipeline (1) and the upper end of the butt joint pipeline (2), the heat conducting holes (28) are matched with the heat receiving grooves (27), heat conducting pipes (29) are fixedly connected to the upper end of the valve seat pipeline (1), the heat conducting holes (28) in the upper end of the valve seat pipeline (1) are communicated with the heat conducting pipes (29), and a first heat conducting passage (30) and a second heat conducting passage (33) are formed in the heat conducting pipes (29), the first heat conduction channel (30) and the second heat conduction channel (33) are communicated with the reaction cavity (18), the first heat conduction channel (30) is communicated with the heat conduction pipe (29), the upper end of the valve seat pipeline (1) is fixedly connected with a first splicing pipe (34), the first splicing pipe (34) is communicated with the second heat conduction channel (33), the upper end of the butt joint pipeline (2) is fixedly connected with a second splicing pipe (31), a heat conduction hole (28) in the upper end of the butt joint pipeline (2) is communicated with the second splicing pipe (31), the upper end of the second splicing pipe (31) is in threaded connection with a threaded connection ring (32), and the second splicing pipe (31) is fixedly connected with the first splicing pipe (34) through the threaded connection ring (32).
4. The hybrid seal type top loading cryogenic ball valve of claim 3, wherein: the outer circumferential surface of the heat conduction pipe (29) is fixedly connected with a shunt pipe (2901), the shunt pipe (2901) is communicated with the heat conduction pipe (29), and one end, far away from the heat conduction pipe (29), of the shunt pipe (2901) is fixedly connected with a whistle (2902).
5. The hybrid seal type top-loading cryogenic ball valve of claim 1, wherein: the connecting ring (5) forms a detachable structure with the valve seat pipeline (1) through a bolt (6).
6. The hybrid seal type top-loading cryogenic ball valve of claim 2, wherein: the inner bottom end of the reaction cavity (18) is provided with a sticky layer, and the outer spherical surface of the quicklime storage balloon (17) is adhered to the inner bottom end of the reaction cavity (18).
7. The hybrid seal type top-loading cryogenic ball valve of claim 1, wherein: the shape-changing memory metal ring (8) is made of nickel-titanium alloy materials, and the metamorphosis temperature of the shape-changing memory metal ring (8) is 40 ℃.
8. The hybrid seal type top-loading cryogenic ball valve of claim 2, wherein: the transparent display box (21) is made of laminated glass materials, and a transparent silica gel layer is arranged on the surface of the transparent display box (21).
9. The hybrid seal type top-loading cryogenic ball valve of claim 2, wherein: the inner wall of the communication cavity (24) is provided with a hydrophobic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093199.3A CN113738906A (en) | 2021-09-17 | 2021-09-17 | Mixed sealed top-mounted low-temperature ball valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093199.3A CN113738906A (en) | 2021-09-17 | 2021-09-17 | Mixed sealed top-mounted low-temperature ball valve |
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| CN113738906A true CN113738906A (en) | 2021-12-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114738546A (en) * | 2022-04-01 | 2022-07-12 | 特技阀门集团有限公司 | Upper-mounted ultralow-temperature ball valve |
| CN117589959A (en) * | 2024-01-18 | 2024-02-23 | 河南中溯检测科技有限公司 | Water quality detection system for construction engineering for water |
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2021
- 2021-09-17 CN CN202111093199.3A patent/CN113738906A/en active Pending
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| 刘颀楠等: "《建筑材料》", 30 June 2016, 吉林大学出版社 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738546A (en) * | 2022-04-01 | 2022-07-12 | 特技阀门集团有限公司 | Upper-mounted ultralow-temperature ball valve |
| CN114738546B (en) * | 2022-04-01 | 2023-08-15 | 特技阀门集团有限公司 | Top-mounted ultra-low temperature ball valve |
| CN117589959A (en) * | 2024-01-18 | 2024-02-23 | 河南中溯检测科技有限公司 | Water quality detection system for construction engineering for water |
| CN117589959B (en) * | 2024-01-18 | 2024-04-09 | 河南中溯检测科技有限公司 | Water quality detection system for construction engineering for water |
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Application publication date: 20211203 |