CN202451878U - Bisected hard sealing ball valve - Google Patents
Bisected hard sealing ball valve Download PDFInfo
- Publication number
- CN202451878U CN202451878U CN2011205532162U CN201120553216U CN202451878U CN 202451878 U CN202451878 U CN 202451878U CN 2011205532162 U CN2011205532162 U CN 2011205532162U CN 201120553216 U CN201120553216 U CN 201120553216U CN 202451878 U CN202451878 U CN 202451878U
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Abstract
The utility model discloses a bisected hard sealing ball valve. A left valve body is butted with a right valve body; an upper shaft sleeve and a lower shaft sleeve are centrally arranged on the top surface and the bottom surface of the left valve body and the right valve body; an upper valve rod and a lower valve rod are connected with the top surface and the bottom surface of a ball and positioned in the upper shaft sleeve and the lower shaft sleeve; two annular valve seats are respectively arranged on the inner walls of the left valve body and the right valve body; two O-shaped rings, two annular upper gaskets, two sealing rings, two annular lower gaskets, two linear spring rings, two spring soft cores and two annular adjusting pads are respectively sequentially arranged between the two annular valve seats and the inner walls of the left valve body and the right valve body from inside to outside; a valve cover, a packing bushing and a packing pressing plate are sequentially sleeved on the upper valve rod and positioned on the tops of the left valve body and the right valve body; a packing is filled in the valve cover; and a support is connected with the tops of the left valve body and the right valve body and an execution mechanism. The ball valve is applied to high-temperature, high-pressure and high-abrasion environments, the sealing effect of a sealing pair is improved, connecting defects of the valve rods and the ball are overcome, and acting reliability of the ball valve is ensured.
Description
Technical field
The utility model relates to a kind of separable type hard seal ball valve.
Background technique
At present, along with the continuous development of Coal Chemical Industry industry, the production technology that water coal slurry pressure gasification is produced water gas is adopted by a large amount of.The whole process of production of this production technology not only exists high temperature, high pressure, inflammable, explosive gas medium and solid particle medium, also requires whole deslagging, collection slag process to obey production routine control.In lock bucket system; Three hard seal ball valves are set in every gasification oven to be used as lock slag valve; The collection slag and the deslagging cyclic process of characteristics such as this valve is used to have high temperature, high pressure and high abrasion, the valve switch frequency high and under condition of high voltage requirement have tight sealing.Therefore; Hard seal ball valve must have perfect construction design, the rational actuator of material configuration, good manufacturing process and equipment, advanced process for treating surface and non-maintaining high output torque, to guarantee its safety, long lifetime work incessantly rapidly, continuously.
General traditional hard seal ball valve adopts the fixing ball valve of non-integral type; This fixing ball valve adopts Spielpassung; The gap of in addition using the back wearing and tearing to cause, pressure medium is higher can to promote the spheroid skew, causes the work loads that bears between sealing pair to strengthen; Valve is in unlatching, the required also increasing thereupon of moment of valve rod when closing, and the sealing pair sealing surface wear speeds up.In addition, cavity pressure acts on the anti-structure that flies out between valve rod and valve body in the valve, makes valve opening and the moment of closing increase, and switch motion is dumb.Simultaneously valve is under the frequent operating mode of switch, and the fatigue strength of valve rod is big, and valve rod is connected cooperate local easy to wear or ruptures with spheroid, makes the not in place or malfunctioning switch in valve pass.
Summary of the invention
The utility model technical problem to be solved provides a kind of separable type hard seal ball valve; This ball valve is applied to environment such as high temperature, high pressure and high abrasion; Improved the sealing effect of sealing pair, avoided the be connected defective of valve rod, guaranteed the reliability of ball valve action with spheroid.
For solving the problems of the technologies described above; The utility model separable type hard seal ball valve comprises left valve barrel, right valve barrel, spheroid, upper valve rod, lower valve rod, Upper shaft sleeve, Lower shaft sleeve, annular flexible graphite gasket, two ring-shaped valve seatss, two O shape circles, two annular Upper gaskets, two seal rings, two annular lower levelling plates, two linear spring rings, two soft cores of spring, two annular spacers, valve gap, filler, filler gland, hold-down grid and supports; Said left valve barrel and right valve barrel bottom are through double threaded screw and nut butt joint; Said support bottom is inserted in said left valve barrel and right valve barrel top and is adopted double threaded screw and nut links into an integrated entity support, left valve barrel and right valve barrel; Said cradle top surface connects actuator through bolt; Said annular flexible graphite gasket is located between said left valve barrel and the right valve barrel; Said left valve barrel and right valve barrel top form toroidal cavity; Said Upper shaft sleeve and Lower shaft sleeve are located at respectively in the intracavity bottom and top toroidal cavity of said left valve barrel and right valve barrel between two parties; Said upper valve rod and lower valve rod are located at said spheroid end face and bottom surface respectively between two parties and are laid respectively in said Upper shaft sleeve and the Lower shaft sleeve; Said upper valve rod top is positioned at said support cavity and connects actuator through coupling; Said two ring-shaped valve seatss are located at the inwall of said left valve barrel and right valve barrel respectively; Said spherome surface contacts the adjacent face of said two ring-shaped valve seatss; Said two O shapes circle, two annular Upper gaskets, two seal rings, two annular lower levelling plates, two linear spring rings, two soft cores of spring, two annular spacers are located at respectively between said two ring-shaped valve seatss and said left valve barrel and the right valve barrel inwall successively from inside to outside, said valve gap be inserted in said upper valve rod and be located at said left valve barrel and the toroidal cavity on right valve barrel top in, said filler is filled in the annular notch of said valve gap; Said filler gland is inserted in said upper valve rod and is positioned at said valve gap top, and said hold-down grid is inserted in said upper valve rod and is positioned at said filler gland end face and passes through bolt in the top of said left valve barrel and right valve barrel.
Further, the surface of contact built-up welding of above-mentioned upper valve rod and lower valve rod and Upper shaft sleeve and Lower shaft sleeve or coated with hard alloy.
Further, the surface of contact surfacing nickel-base alloy of above-mentioned two ring-shaped valve seatss and above-mentioned spheroid.
Further, above-mentioned two seal rings adopt Expanded graphite wedge circle, and above-mentioned two O shapes circle adopts the thermostable fluorine rubber o-ring.
Further, above-mentioned two linear spring ring outsourcing thermostable fluorine rubber.
Because the utility model separable type hard seal ball valve has adopted technique scheme; Be that left valve barrel docks with right valve barrel; Upper shaft sleeve and Lower shaft sleeve are located at the end face and the bottom surface of left valve barrel and right valve barrel between two parties; Upper valve rod is connected spheroid end face and bottom surface respectively and is positioned at Upper shaft sleeve and Lower shaft sleeve with lower valve rod; Two ring-shaped valve seatss are located at the inwall of left valve barrel and right valve barrel respectively, and two O shape circles, two annular Upper gaskets, two seal rings, two annular lower levelling plates, two linear spring rings, two soft cores of spring, two annular spacers are located at respectively between two ring-shaped valve seatss and left valve barrel and the right valve barrel inwall successively from inside to outside, and valve gap, filler gland, hold-down grid are inserted in upper valve rod successively and are positioned at left valve barrel and the right valve barrel top; Filler is filled in the valve gap, and support connects left valve barrel and right valve barrel top and actuator respectively.This ball valve is applied to environment such as high temperature, high pressure and high abrasion, has improved the sealing effect of sealing pair, has avoided the be connected defective of valve rod with spheroid, has guaranteed the reliability of ball valve action.
Description of drawings
Below in conjunction with accompanying drawing and mode of execution the utility model is done further to specify:
Fig. 1 is the structural representation of the utility model separable type hard seal ball valve.
Embodiment
As shown in Figure 1; The utility model separable type hard seal ball valve comprises the annular spacer of the soft core of the annular Upper gasket of 15, two on left valve barrel 2, right valve barrel 1, spheroid 3, upper valve rod 4, lower valve rod 5, Upper shaft sleeve 6, Lower shaft sleeve 7, annular flexible graphite gasket 25, two ring-shaped valve seatss 26, two O shape circles 16, two seal rings 17, two annular lower levelling plates 18, two linear spring rings 19, two springs 20, two 27, valve gap 8, filler 12, filler gland 9, hold-down grid 10 and support 11; Said left valve barrel 2 docks through double threaded screw 21 and nut 22 with right valve barrel 1 bottom; Said support 11 bottoms are inserted in said left valve barrel 2 and right valve barrel 1 top and are adopted double threaded screw 23 and nut 24 that support 11, left valve barrel 2 and right valve barrel 1 are linked into an integrated entity; Said support 11 end faces connect actuator 14 through bolt 28; Said annular flexible graphite gasket 25 is located between said left valve barrel 2 and the right valve barrel 1; Said left valve barrel 2 forms toroidal cavity with right valve barrel 1 top; Said Upper shaft sleeve 6 is located at respectively in the intracavity bottom and top toroidal cavity of said left valve barrel 2 and right valve barrel 1 with Lower shaft sleeve 7 between two parties; Said upper valve rod 4 is located at said spheroid 3 end faces and bottom surface respectively between two parties with lower valve rod 5 and is laid respectively in said Upper shaft sleeve 6 and the Lower shaft sleeve 7; Said upper valve rod 4 tops are positioned at said support 11 cavitys and connect actuator 14 through coupling 13; Said two ring-shaped valve seatss 26 are located at the inwall of said left valve barrel 2 and right valve barrel 1 respectively; The adjacent face of said two ring-shaped valve seatss 26 of said spheroid 3 surface contacts; The soft core of the annular Upper gasket of 15, two on said two O shapes circle 16, two seal rings 17, two annular lower levelling plates 18, two linear spring rings 19, two springs 20, two annular spacers 27 are located at respectively between said two ring-shaped valve seatss 26 and said left valve barrel 2 and right valve barrel 1 inwall successively from inside to outside; Said valve gap 8 is inserted in said upper valve rod 4 and is located in the toroidal cavity on said left valve barrel 2 and right valve barrel 1 top; Said filler 12 is filled in the annular notch of said valve gap 8, and said filler gland 9 is inserted in said upper valve rod 4 and is positioned at said valve gap 8 tops, and said hold-down grid 10 is inserted in said upper valve rod 4 and is positioned at said filler gland 9 end faces are fixed in said left valve barrel 2 and right valve barrel 1 through bolt 29 top.
Further, above-mentioned upper valve rod 4 and surface of contact built-up welding or the coated with hard alloy of lower valve rod 5 with Upper shaft sleeve 6 and Lower shaft sleeve 7.Thereby reduce the abrasion that valve rod and axle sleeve receive solid particle in the medium.
Further, the surface of contact surfacing nickel-base alloy of above-mentioned two ring-shaped valve seatss 26 and above-mentioned spheroid 3.Wear resistance, anti-impact erosion and the anti-extrusion ability of this ball valve have been improved.Spheroid is driven through last lower valve rod by actuator and does 90 degree rotations; Spheroid is provided with and the isometrical circular hole of left and right sides valve channel; Open the position exactly when this circular hole rotates to consistent with the left and right sides valve channel time valve, and when this circular hole was vertical with left and right sides valve channel, valve then was an off-position.
Further, above-mentioned two seal rings 17 adopt Expanded graphite wedge circle, and above-mentioned two O shapes circle 15 adopts the thermostable fluorine rubber o-ring.Seal ring 17 constitutes the primary seal of valve seat; Seal ring 17 constitutes double seal with O shape circle; Protection each other, complete sealing pair of itself and the sealing of valve seat and spheroid composition, no matter medium is from which end entering; Can guarantee that all two valve seats can independently cut off the inlet fluid medium, prevent that slag inclusion from flowing into the valve body lumen from the gap of valve body and valve seat; O shape circle 15 constitutes the pair sealing of valve seat, prevents that slag inclusion from flowing into the valve base sealing chamber from the valve body lumen.Thereby reach the effect of two way sealed.
Further, above-mentioned two linear spring ring 19 outsourcing thermostable fluorine rubber.Linear spring ring adopts that hot strength is good, corrosion-resistant, oxidation resistant cemented carbide is made into annular spring under the high temperature; The resistant to elevated temperatures fluorine rubber of outsourcing; Both avoid the stress deformation non-uniform phenomenon of a plurality of linear springs, overcome the stuck situation generation of lime-ash that other spring structures are inevitably got into again.Linear spring ring becomes for the long spring ring that head and the tail interlock, and the soft core of spring is nonmetallic spring pad.
This ball valve adopt left valve barrel and right valve barrel to separation structure; And upper valve rod, lower valve rod and spheroid are overall structures; Overcome the defective that traditional valve body can't the mounting ball valve inner piece, made ball-valve structure simply be easy to processing, the fabricating cost of both having practiced thrift mould; But simplified processing process is convenient to the installation and maintenance operation of ball valve again.Valve gap is an integral structure simultaneously, when ball valve is changed filler, effectively prevents the possibility that residual pressure blows out upper valve rod in the pipeline.The overall structure of upper valve rod, lower valve rod and spheroid guaranteed last lower valve rod and spheroid to neutrality, the interior leakage phenomenon that the spheroid of having avoided causing because of pressure medium is excessive tilts to produce; The rigidity and the intensity of valve rod have been guaranteed, the phenomenon of having avoided spheroid and valve rod behind the frequent switch to break away from; The soft core of linear spring ring and spring is arranged between valve seat and the valve body, has improved the elasticity of valve seat, makes the valve seat end face reliably contact with spherome surface, thereby has guaranteed the reliability that ball valve opens and closes.This ball valve connects actuator's shell through support, and actuator connects upper valve rod through coupling and drives 90 ° of rotations of upper valve rod do, and upper valve rod and lower valve rod drive spheroid and rotate the switching that realizes ball valve.This ball valve is applied to environment such as high temperature, high pressure and high abrasion, has improved the sealing effect of sealing pair, has avoided the be connected defective of valve rod with spheroid, has guaranteed the reliability of ball valve action.
Claims (5)
1. separable type hard seal ball valve; It is characterized in that: this ball valve comprises left valve barrel, right valve barrel, spheroid, upper valve rod, lower valve rod, Upper shaft sleeve, Lower shaft sleeve, annular flexible graphite gasket, two ring-shaped valve seatss, two O shape circles, two annular Upper gaskets, two seal rings, two annular lower levelling plates, two linear spring rings, two soft cores of spring, two annular spacers, valve gap, filler, filler gland, hold-down grid and supports; Said left valve barrel and right valve barrel bottom are through double threaded screw and nut butt joint; Said support bottom is inserted in said left valve barrel and right valve barrel top and is adopted double threaded screw and nut links into an integrated entity support, left valve barrel and right valve barrel; Said cradle top surface connects actuator through bolt; Said annular flexible graphite gasket is located between said left valve barrel and the right valve barrel; Said left valve barrel and right valve barrel top form toroidal cavity; Said Upper shaft sleeve and Lower shaft sleeve are located at respectively in the intracavity bottom and top toroidal cavity of said left valve barrel and right valve barrel between two parties; Said upper valve rod and lower valve rod are located at said spheroid end face and bottom surface respectively between two parties and are laid respectively in said Upper shaft sleeve and the Lower shaft sleeve; Said upper valve rod top is positioned at said support cavity and connects actuator through coupling; Said two ring-shaped valve seatss are located at the inwall of said left valve barrel and right valve barrel respectively; Said spherome surface contacts the adjacent face of said two ring-shaped valve seatss; Said two O shapes circle, two annular Upper gaskets, two seal rings, two annular lower levelling plates, two linear spring rings, two soft cores of spring, two annular spacers are located at respectively between said two ring-shaped valve seatss and said left valve barrel and the right valve barrel inwall successively from inside to outside, said valve gap be inserted in said upper valve rod and be located at said left valve barrel and the toroidal cavity on right valve barrel top in, said filler is filled in the annular notch of said valve gap; Said filler gland is inserted in said upper valve rod and is positioned at said valve gap top, and said hold-down grid is inserted in said upper valve rod and is positioned at said filler gland end face and passes through bolt in the top of said left valve barrel and right valve barrel.
2. separable type hard seal ball valve according to claim 1 is characterized in that: the surface of contact built-up welding of said upper valve rod and lower valve rod and Upper shaft sleeve and Lower shaft sleeve or coated with hard alloy.
3. separable type hard seal ball valve according to claim 1 is characterized in that: the surface of contact surfacing nickel-base alloy of said two ring-shaped valve seatss and said spheroid.
4. separable type hard seal ball valve according to claim 1 is characterized in that: said two seal rings are Expanded graphite wedge circles, and said two O shapes circle is the thermostable fluorine rubber o-ring.
5. separable type hard seal ball valve according to claim 1 is characterized in that: said two linear spring ring outsourcing thermostable fluorine rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205532162U CN202451878U (en) | 2011-12-27 | 2011-12-27 | Bisected hard sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205532162U CN202451878U (en) | 2011-12-27 | 2011-12-27 | Bisected hard sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451878U true CN202451878U (en) | 2012-09-26 |
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ID=46867744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205532162U Expired - Fee Related CN202451878U (en) | 2011-12-27 | 2011-12-27 | Bisected hard sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451878U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523731A (en) * | 2016-12-16 | 2017-03-22 | 重庆川仪调节阀有限公司 | Lock hopper ball valve |
| CN106704625A (en) * | 2016-12-23 | 2017-05-24 | 重庆特通阀门有限公司 | Lock hopper valve |
| CN107420573A (en) * | 2017-06-26 | 2017-12-01 | 王瑞卿 | A kind of pretension compensates movable valve base high temperature high voltage resistant two-way hard seal spiral valve |
| CN109268527A (en) * | 2018-10-31 | 2019-01-25 | 超达阀门集团股份有限公司 | A kind of single valve seat two-way sealing control ball valve |
| CN109296770A (en) * | 2017-07-25 | 2019-02-01 | 自贡新比隆阀门有限公司 | New fixing ball valve |
| CN109764145A (en) * | 2019-02-01 | 2019-05-17 | 天津富赛克流体控制设备有限公司 | A kind of resin industrial and mineral hard seal fixing ball valve |
| CN109931419A (en) * | 2019-04-09 | 2019-06-25 | 温州市瓯斯特阀门有限公司 | A kind of wear-resisting separable type fixing ball valve |
| CN114438389A (en) * | 2022-01-27 | 2022-05-06 | 山野控制阀集团有限公司 | Diamond material and diamond composite material ball valve |
-
2011
- 2011-12-27 CN CN2011205532162U patent/CN202451878U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523731A (en) * | 2016-12-16 | 2017-03-22 | 重庆川仪调节阀有限公司 | Lock hopper ball valve |
| CN106704625A (en) * | 2016-12-23 | 2017-05-24 | 重庆特通阀门有限公司 | Lock hopper valve |
| CN107420573A (en) * | 2017-06-26 | 2017-12-01 | 王瑞卿 | A kind of pretension compensates movable valve base high temperature high voltage resistant two-way hard seal spiral valve |
| CN107420573B (en) * | 2017-06-26 | 2023-11-24 | 开封瑞科阀门有限公司 | High-temperature-resistant high-pressure-resistant bidirectional hard sealing ball valve with pretension compensation movable valve seat |
| CN109296770A (en) * | 2017-07-25 | 2019-02-01 | 自贡新比隆阀门有限公司 | New fixing ball valve |
| CN109268527A (en) * | 2018-10-31 | 2019-01-25 | 超达阀门集团股份有限公司 | A kind of single valve seat two-way sealing control ball valve |
| CN109764145A (en) * | 2019-02-01 | 2019-05-17 | 天津富赛克流体控制设备有限公司 | A kind of resin industrial and mineral hard seal fixing ball valve |
| CN109931419A (en) * | 2019-04-09 | 2019-06-25 | 温州市瓯斯特阀门有限公司 | A kind of wear-resisting separable type fixing ball valve |
| CN114438389A (en) * | 2022-01-27 | 2022-05-06 | 山野控制阀集团有限公司 | Diamond material and diamond composite material ball valve |
| CN114438389B (en) * | 2022-01-27 | 2023-06-13 | 山野控制阀集团有限公司 | Ball valve made of diamond material and diamond composite material |
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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: 20120926 Termination date: 20201227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |