CN203670879U - Forge steel top-mounted buried fixed ball valve - Google Patents
Forge steel top-mounted buried fixed ball valve Download PDFInfo
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- CN203670879U CN203670879U CN201420041824.9U CN201420041824U CN203670879U CN 203670879 U CN203670879 U CN 203670879U CN 201420041824 U CN201420041824 U CN 201420041824U CN 203670879 U CN203670879 U CN 203670879U
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Abstract
A forge steel top-mounted buried fixed ball valve relates to a pipeline ball valve. A cavity is formed in a valve body module assembly, a sphere module assembly is arranged in the cavity, a valve seat module assembly is arranged between the sphere module assembly and the valve body module assembly, extended sleeves are arranged on two sides of the valve body module assembly, a valve cover module assembly is arranged on the upper portion of the valve body module assembly, an extending valve cover module assembly is arranged on the upper portion of the valve cover module assembly, one end of an emergency grease sealing assembly and one end of a double-closure and decompression assembly, the other ends are arranged on the valve body module assembly, the extending valve rod is connected with the valve rod, and the valve rod penetrates the extending valve cover module assembly and the valve cover module assembly to be connected with a sphere. The ball valve adopts modularized design, is of an integrated valve body structure, is convenient to install and use, reduces online maintenance time, reduces labor intensity, is made of a forge steel material, is high in pressure resistance and prolongs service life.
Description
Technical field
The utility model relates to a kind of pipeline ball-valve, and particularly a kind of forged steel top fills buried fixing ball valve.
Background technique
Since China's reform and opening-up, national economy rapid growth, scientific and technical innovation, autonomous innovation has become the main flow of domestic industry development.China's industry is just step by step to the future development of intensive style, energy-saving and emission-reduction, low-carbon (LC).Long-distance transport pipes are global energy resource supply lines, have to set up, and have direct-burried underground, operation in the wild, and maintenance difficult, at least need 30 year working life.The application type of existing pipeline ball-valve is more traditional: be mainly divided into cast steel class and forged steel class, structure is two section type valve body or 3 stops valve body and roof-mounted valve body, and valve body Placement is that bolt connects or two kinds of full welding types.Top-loading ball valve is dismantled rapidly simple on pipeline, easy to maintenance quick, is widely used on oil and natural gas pipeline, but amount of spring compression is large when the assembling of traditional top-loading ball valve, assembling difficulty, seal pressure is large, and material internal stress is concentrated, easily cause low temperature brittleness fracture.The technician of R&D institution and enterprise is constantly exploring, is studying, and wishes to develop a kind of ball valve of superior performance, although make some progress, still exists the technical barrier not yet overcoming in practice.
Summary of the invention
The purpose of this utility model is to overcome above deficiency, provides a kind of forged steel top to fill buried fixing ball valve, adopts modular design, and integral valve body structure is easy to install, increases the service life, and reduces labor intensity.
The utility model solves the technological scheme that its technical problem adopts: contain urgent greasing black box, two damming and pressure release assembly, extend valve gap modular assembly, valve gap modular assembly, valve body modular assembly, extend sleeve, valve seat modular assembly, spheroid modular assembly, the inner cavity that forms of valve body modular assembly, in cavity, be provided with spheroid modular assembly, between spheroid modular assembly and valve body modular assembly, be provided with valve seat modular assembly, valve body modular assembly both sides are provided with prolongation sleeve, valve body modular assembly top is provided with valve gap modular assembly, valve gap modular assembly top is provided with extends valve gap modular assembly, urgent greasing black box and two damming are located at respectively and extend on valve gap modular assembly with pressure release assembly one end, the other end is located on valve body modular assembly, extending valve rod is connected with valve rod, valve rod is connected with spheroid with valve gap modular assembly through extending valve gap modular assembly, valve stem end is provided with valve rod thrust bearing and compound radial bearing I, spheroid bottom is provided with spheroid thrust bearing and compound radial bearing II with valve body joint, urgent greasing black box contains injection safety check, introduction valve and emergency injection extend pipeline, emergency injection extends pipeline one end and is fixed on and is extended on valve gap modular assembly by tubule fixture, the other end is fixed on valve body by welded joint, emergency injection extends pipeline top and is provided with introduction valve, introduction valve is provided with injection safety check, two damming contains with pressure release assembly the emptying extension pipeline of releasing, the same one end of emptying extension pipeline of releasing is fixed on and is extended on valve gap modular assembly by tubule fixture, the other end is fixed on valve body by welded joint.
The utility model solves the know-why that its technical problem adopts: ball valve, mainly for open and close pipeline and equipment medium, is to use with the spheroid of circular channel to do open-shut device, and spheroid rotates 90 ° with valve rod, realizes the keying of valve.The open-shut device of ball valve is a porose spheroid, and this spheroid rotates around the axis perpendicular to passage, thereby reaches the object that opens and closes passage.This ball valve adopts forged steel material to make, and to adopt roof-mounted be integral valve body structure, foundation capability is strong, solve in frigid zone and problem of brittle fracture that frost region material causes due to low temperature, by pipe cathode ground connection and outside surface anticorrosion, improve potential corrosion and the stress corrosion ability of preventing.This valve adopts urgent greasing black box, two damming and pressure release assembly etc., the medium of valve pocket can be drained, and by this drain boles, valve is carried out to work seal detection, in the time that valve pocket is drained, upstream extremity valve seat and downstream valve seat should cut off automatically simultaneously, the safety when guaranteeing to discharge.No matter valve is in opening or closed position, all should prevent that medium is held in valve pocket, if medium may clamp, all to guarantee the pressure of automatically releasing in valve pocket for gas medium or liquid medium, the maximum value of valve pocket pressure releasing is no more than 1.33 times of valve pressure nominal value, the bore of external pressure bleeder valve is DN15 or larger, prevents the clamping of valve pocket pressure.This ball valve adopts advanced modular design concept, valve body module possesses the feature of all-welded ball valve integrated type valve body, owing to not having the welding between part and being forged steel design of material, fundamentally overcome the concentrated defect of material internal stress, avoid valve to occur accidental damage in pipework installation process, really accomplished the on-line maintenance of pipeline ball-valve.
The beneficial effects of the utility model are: adopt modular design, and integral valve body structure, easy to install, reduce the on-line maintenance time, reduce labor intensity; Adopt forged steel material to make, anti-pressure ability is strong, increases the service life; Adopt simultaneously and extend sleeve, guarantee that valve occurs accidental damage in pipework installation process.
Accompanying drawing explanation
In conjunction with the accompanying drawings and embodiments the utility model to be further described below:
Fig. 1 is that forged steel top fills buried fixing ball valve stereogram;
Fig. 2 is that forged steel top fills buried fixing ball valve plan view;
Fig. 3 is that forged steel top fills buried fixing ball valve right elevation;
Fig. 4 is that forged steel top fills buried fixing ball valve A-A sectional view.
In the drawings, 1 urgent greasing black box, 2 pairs dam and extend valve gap modular assemblies, 4 valve gap modular assemblies, 5 valve body modular assemblies, 6 with pressure release assembly, 3 and extend sleeves, 7 valve seat modular assemblies, 8 spheroid modular assemblies, 9 emergency injections and extend pipelines, 10 welded joints, the 11 emptying extension pipeline, 12 of releasing and extend valve rods, 13 injection safety check, 14 introduction valves, 15 valve rods, 16 valve rod thrust bearings, 17 compound radial bearing I, 18 spheroids, 19 valve bodies, 20 compound radial bearing I I, 21 spheroid thrust bearings, 22 tubule fixtures.
Embodiment
In the drawings, a kind of forged steel top fills buried fixing ball valve, contain urgent greasing black box 1, two damming and pressure release assembly 2, extend valve gap modular assembly 3, valve gap modular assembly 4, valve body modular assembly 5, extend sleeve 6, valve seat modular assembly 7, spheroid modular assembly 8, the inner cavity that forms of valve body modular assembly 5, in cavity, be provided with spheroid modular assembly 8, between spheroid modular assembly 8 and valve body modular assembly 5, be provided with valve seat modular assembly 7, valve body modular assembly 5 both sides are provided with and extend sleeve 6, valve body modular assembly 5 tops are provided with valve gap modular assembly 4, valve gap modular assembly 4 tops are provided with extends valve gap modular assembly 3, urgent greasing black box 1 and two damming are located at respectively and extend on valve gap modular assembly 3 with pressure release assembly 2 one end, the other end is located on valve body modular assembly 5, extending valve rod 12 is connected with valve rod 15, valve rod 15 is connected with spheroid 18 with valve gap modular assembly 4 through extending valve gap modular assembly 3, valve rod 15 ends are provided with valve rod thrust bearing 16 and compound radial bearing I17, spheroid 18 bottoms and valve body 19 joints are provided with spheroid thrust bearing 21 and compound radial bearing II20, urgent greasing black box 1 contains injection safety check 13, introduction valve 14 and emergency injection extend pipeline 9, emergency injection extends pipeline 9 one end and is fixed on and is extended on valve gap modular assembly 3 by tubule fixture 22, the other end is fixed on valve body 19 by welded joint 10, emergency injection extends pipeline 9 tops and is provided with introduction valve 14, introduction valve 14 is provided with injection safety check 13, two damming contains with pressure release assembly 2 the emptying extension pipeline 11 of releasing, the same one end of emptying extension pipeline 11 of releasing is fixed on and is extended on valve gap modular assembly 3 by tubule fixture 22, the other end is fixed on valve body 19 by welded joint 10.
Ball valve, mainly for open and close pipeline and equipment medium, is to use with the spheroid 18 of circular channel to do open-shut device, and spheroid 18 rotates 90 ° with valve rod 15, realizes the keying of valve.The open-shut device of ball valve is a porose spheroid 18, and this spheroid 18 rotates around the axis perpendicular to passage, thereby reaches the object that opens and closes passage.This ball valve adopts forged steel material to make, and to adopt roof-mounted be integral valve body structure, foundation capability is strong, solve in frigid zone and problem of brittle fracture that frost region material causes due to low temperature, by pipe cathode ground connection and outside surface anticorrosion, improve potential corrosion and the stress corrosion ability of preventing.This valve adopts urgent greasing black box, two damming and pressure release assembly etc., the medium of valve pocket can be drained, and by this drain boles, valve is carried out to work seal detection, in the time that valve pocket is drained, upstream extremity valve seat and downstream valve seat should cut off automatically simultaneously, the safety when guaranteeing to discharge.No matter valve is in opening or closed position, all should prevent that medium is held in valve pocket, if medium may clamp, all to guarantee the pressure of automatically releasing in valve pocket for gas medium or liquid medium, the maximum value of valve pocket pressure releasing is no more than 1.33 times of valve pressure nominal value, the bore of external pressure bleeder valve is DN15 or larger, prevents the clamping of valve pocket pressure.This ball valve adopts advanced modular design concept, valve body module possesses the feature of all-welded ball valve integrated type valve body, owing to not having the welding between part and being forged steel design of material, fundamentally overcome the concentrated defect of material internal stress, avoid valve to occur accidental damage in pipework installation process, really accomplished the on-line maintenance of pipeline ball-valve.
Claims (1)
1. forged steel top fills buried fixing ball valve, contain urgent greasing black box, two damming and pressure release assembly, extend valve gap modular assembly, valve gap modular assembly, valve body modular assembly, extend sleeve, valve seat modular assembly, spheroid modular assembly, it is characterized in that: the inner cavity that forms of valve body modular assembly, in cavity, be provided with spheroid modular assembly, between spheroid modular assembly and valve body modular assembly, be provided with valve seat modular assembly, valve body modular assembly both sides are provided with prolongation sleeve, valve body modular assembly top is provided with valve gap modular assembly, valve gap modular assembly top is provided with extends valve gap modular assembly, urgent greasing black box and two damming are located at respectively and extend on valve gap modular assembly with pressure release assembly one end, the other end is located on valve body modular assembly, extending valve rod is connected with valve rod, valve rod is connected with spheroid with valve gap modular assembly through extending valve gap modular assembly, valve stem end is provided with valve rod thrust bearing and compound radial bearing I, spheroid bottom is provided with spheroid thrust bearing and compound radial bearing II with valve body joint, urgent greasing black box contains injection safety check, introduction valve and emergency injection extend pipeline, emergency injection extends pipeline one end and is fixed on and is extended on valve gap modular assembly by tubule fixture, the other end is fixed on valve body by welded joint, emergency injection extends pipeline top and is provided with introduction valve, introduction valve is provided with injection safety check, two damming contains with pressure release assembly the emptying extension pipeline of releasing, the same one end of emptying extension pipeline of releasing is fixed on and is extended on valve gap modular assembly by tubule fixture, the other end is fixed on valve body by welded joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041824.9U CN203670879U (en) | 2014-01-19 | 2014-01-19 | Forge steel top-mounted buried fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041824.9U CN203670879U (en) | 2014-01-19 | 2014-01-19 | Forge steel top-mounted buried fixed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670879U true CN203670879U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420041824.9U Expired - Fee Related CN203670879U (en) | 2014-01-19 | 2014-01-19 | Forge steel top-mounted buried fixed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791510A (en) * | 2014-01-19 | 2015-07-22 | 盐城圣科球阀有限公司 | Forged steel top mounting buried fixing ball valve |
-
2014
- 2014-01-19 CN CN201420041824.9U patent/CN203670879U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791510A (en) * | 2014-01-19 | 2015-07-22 | 盐城圣科球阀有限公司 | Forged steel top mounting buried fixing ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20200119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |