CN101608694A - Ultra-temperature high-pressure stop valve - Google Patents
Ultra-temperature high-pressure stop valve Download PDFInfo
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- CN101608694A CN101608694A CNA2009101007295A CN200910100729A CN101608694A CN 101608694 A CN101608694 A CN 101608694A CN A2009101007295 A CNA2009101007295 A CN A2009101007295A CN 200910100729 A CN200910100729 A CN 200910100729A CN 101608694 A CN101608694 A CN 101608694A
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Abstract
The present invention relates to a kind of ultra-temperature high-pressure stop valve, it includes valve body, valve gap, valve rod, flap, valve seat and operating device, is provided with the cooling channel in described valve rod and flap; It is characterized in that being provided with two groups of sealing surfaces between described flap and the valve seat at least, on described flap, be provided with the annular short slot of separating adjacent sealing surface, these annular short slot two ends and the valve base channel inwall formation heat dam that fits; The invention has the beneficial effects as follows to be provided with between flap and the valve seat how the group sealing surfaces also and between the adjacent seal faces are provided with heat dam; Leak as outside sealing surface, medium enters in the heat dam, and be subjected to stopping of outside sealing surface, it is less and because heat dam is nearer apart from the cooling channel of valve rod and flap that it enters medium heat in the heat dam, thereby can rapid reduction enter the interior medium temperature of heat dam, and can guarantee effectively that the inner seal face is not subjected to the influence of high-temperature high-pressure medium, improve the overall sealing performance of valve.
Description
Technical field
The present invention relates to a kind of valve, relate to a kind of ultra-temperature high-pressure stop valve in particular, be mainly used in the various pipes systems engineering.
Background technique
Existing high temperature and high pressure cut-off valve mainly includes valve body, valve gap, valve rod, flap and operating device etc., and described flap places in the cavity of valve body, and described valve rod one end and flap are fixedly connected, and its other end links to each other with operating device; For guaranteeing sealability, existing flap adopts cone structure mostly and fits by itself and valve seat and forms single sealing, adopt this structure, be applied on the common stop valve and can effectively guarantee its sealability, and in high temperature and high pressure cut-off valve,, adopt the single seal form of taper because flap is subjected to the erosion of high-temperature high-pressure medium for a long time, under the erosion of high-temperature high-pressure medium, cause the distortion of flap and valve seat to cause leakage easily; Secondly,, thereby the corrosion resistance and the hardness of flap is had higher requirements, adopt the common iron manufacturing, then can't satisfy technical requirements, cause the annealing softening of flap easily, thereby also cause leakage because flap is subjected to the erosion of high-temperature high-pressure medium for a long time; And if all adopt the nickel alloy material of high hardness to make, its cost of production is higher and processing benefit is lower, be unfavorable for processing.
Summary of the invention
Adopt single seal form in order to solve existing high temperature and high pressure cut-off valve, the sealing surface that causes flap and valve seat easily is under the erosion of high-temperature high-pressure medium, technical problems such as causing leakage deforms, the invention provides a kind of ultra-temperature high-pressure stop valve, it is reasonable in design, simple in structure, can effectively solve the leakage problem that under the erosion of high-temperature high-pressure medium, causes; Secondly, also can solve phenomenons such as leakage that the annealing softening because of material causes and can reduce corresponding cost of production.
For solving above technical problem, the technological scheme that the present invention takes is a kind of ultra-temperature high-pressure stop valve, it includes valve body, valve gap, valve rod, flap, valve seat and operating device, be provided with an import and outlet in the described valve body, described valve seat is fixed in the inlet of valve body, described flap places in the cavity of valve body and fits with valve seat and forms sealing, described valve rod one end and flap are fixedly connected, its the other end links to each other with operating device, is provided with the cooling channel in described valve rod and flap; It is characterized in that being provided with two groups of sealing surfaces between described flap and the valve seat at least, on described flap, be provided with the annular short slot of separating adjacent sealing surface, these annular short slot two ends and the valve base channel inwall formation heat dam that fits.
Further, respectively be provided with two groups of sealing surfaces on described flap and the valve seat, described flap be circular and its front end diameter less than rearward end, two groups of sealing surfaces of described flap are located at respectively on its forward and backward end, on two groups of sealing surfaces of described valve seat inwall that wherein a group is arranged on valve base channel, its other one group of outlet port that is arranged on valve base channel; Described flap front end sealing surface inserts in the valve base channel and the sealing surface of its inwall fits forms the sealing of first road, and the sealing surface in described rearward end sealing surface and valve base channel outlet port fits and forms the sealing of second road.
Further, described flap includes flap body and connecting sleeve, and this connecting sleeve outer wall is fixedlyed connected with flap, and described valve rod bottom and connecting sleeve inwall are fixedly connected; Described valve seat includes valve seat body and interior cover, should fixedly connected with the valve seat body by interior cover, two groups of sealing surfaces of described flap are arranged on the flap body, put in two groups of sealing surfaces of described valve seat are arranged on, and form double seal in the cover in described flap body inserts.
Further, described flap body and interior cover all adopt tungsten cobalt tantalum-niobium alloy made, and described valve seat body and connecting sleeve all adopt the manufacturing of GH3128 alloy material.
Further, described flap front end is provided with a thermal baffle, and described thermal baffle below lid is equipped with a baffle plate, and this baffle plate is fixedlyed connected with the flap front end.
Further, described thermal baffle is resistant to elevated temperatures mullite material, and described barrier material is identical with the flap bulk material.
Further, be provided with an annular groove in the described valve seat body, described valve body both sides are equipped with a cooling hole, and this cooling hole is connected with annular groove and forms independently cooling channel.
Further, be provided with thermal insulation layer in the described valve body, this thermal insulation layer is close to mutually with valve interior wall and is fixedly linked.
Further, described operating device is fixedly mounted on the top of valve gap by a support, be provided with the upper and lower bit switch in described support one side, described valve rod is provided with the frizzen of a movable adjusting, and this frizzen also passes through the open and close of upper and lower bit switch control operation mechanism with the lifting touching upper and lower bit switch of valve rod.
Further, described valve gap one side is provided with a grease pouring valve, and this grease pouring valve communicates with the valve gap passage.
The invention has the beneficial effects as follows to be provided with between flap and the valve seat how the group sealing surfaces also and between the adjacent seal faces are provided with heat dam; Adopt this structure, when valve is in closed state, flap and valve seat form multi-sealed, its outside sealing surface is isolated high-temperature high-pressure medium, thereby high-temperature high-pressure medium can not exerted an influence to the sealing surface of internal layer, secondly, owing to be provided with heat dam between the two adjacent groups sealing surface, leak as outside sealing surface, medium enters in the heat dam, and be subjected to stopping of outside sealing surface, it is less and because heat dam is nearer apart from the cooling channel of valve rod and flap that it enters medium heat in the heat dam, thereby can reduce the medium temperature that enters in the heat dam rapidly, and can guarantee effectively that the inner seal face is not subjected to the influence of high-temperature high-pressure medium, improve the overall sealing performance of valve.
Description of drawings
Fig. 1 is the sectional structure chart of a kind of ultra-temperature high-pressure stop valve of the embodiment of the invention
Fig. 2 is the sectional structure chart of embodiment of the invention flap
Fig. 3 is the sectional structure chart of embodiment of the invention valve seat
Embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is described further:
As shown in Figure 1 to Figure 3, a kind of ultra-temperature high-pressure stop valve of the present invention, it includes valve body 1, valve gap 2, valve rod 3, flap 4, valve seat 5 and operating device 6, be provided with an import 11 in the described valve body 1 and export 12, described valve seat 5 is fixed in import 11 places of valve body 1, described flap 4 places to fit in the cavity 13 of valve body 1 and with valve seat 5 and forms sealing, described valve rod 3 one ends and flap 4 are fixedly connected, its the other end links to each other with operating device 6, is provided with cooling channel 31 in described valve rod 3 and flap 4; Adopt single seal form in order to solve existing high temperature and high pressure cut-off valve, cause the sealing surface of flap 4 and valve seat 5 technical problems such as causing leakage that under the erosion of high-temperature high-pressure medium, deforms easily, at least be provided with two groups of sealing surfaces between described flap 4 and the valve seat 5, on described flap 4, be provided with the annular short slot 41 of separating adjacent sealing surface, these annular short slot 41 two ends and the valve seat 5 vias inner walls formation heat dam that fits, adopt this structure, when valve is in closed state, flap 4 forms multi-sealed with valve seat 5, its outside sealing surface is isolated high-temperature high-pressure medium, thereby high-temperature high-pressure medium can not exerted an influence to the sealing surface of inboard, secondly, owing to be provided with heat dam between the two adjacent groups sealing surface, leak as outside sealing surface, medium enters in the heat dam, and be subjected to stopping of outside sealing surface, it is less and because heat dam is nearer with the cooling channel 31 of flap 4 apart from valve rod 3 that it enters medium heat in the heat dam, thereby can reduce the medium temperature that enters in the heat dam rapidly, and can guarantee effectively that the inner seal face is not subjected to the influence of high-temperature high-pressure medium, improve the overall sealing performance of valve.
In the present embodiment, for making things convenient for the processing of sealing surface, reduce its cost of production, respectively be provided with two groups of sealing surfaces on described flap 4 and the valve seat 5, described flap 4 is that circular its front end diameter is less than rearward end, 5 liang of described flaps group sealing surface is located at respectively on its forward and backward end, on two groups of sealing surfaces of described valve seat 5 inwall that wherein a group is arranged on valve seat 5 passages, and its other one group of outlet port that is arranged on valve seat 5 passages; Described flap 4 front end sealing surfaces insert in valve seat 5 passages and the sealing surface of its inwall fits forms the sealing of first road, and the sealing surface of described rearward end sealing surface and valve seat 5 channel exits fits and forms the sealing of second road; Because two groups of sealing surfaces are set, when wherein one group of generation is leaked, another group sealing surface also can guarantee the overall sealing performance of valve, and also can alleviate the erosion of high-temperature high-pressure medium to the inner seal face by outside sealing surface, thereby can farthest guarantee the seal request of valve, adopt this structure, can greatly improve the overall sealing performance of valve; Certainly, also more groups of sealing surfaces can be set, but owing to be subjected to the volume restrictions and the actual sealing demand of flap 4 and valve seat 5, adopting two groups of sealing surfaces is the preferential mode of execution of the embodiment of the invention.
In the present embodiment, because flap 4 and valve seat 5 are subjected to the influence of high temperature media, its operating temperature is higher, thereby the flap 4 and the resistance to high temperature of valve seat 5 are also had relatively high expectations; Secondly, in the process of valve opening and closing, flap 4 is inevitable with the friction of valve seat 5, for guaranteeing its sealability, the abrasion resistance properties of flap 4 with valve seat 5 also had higher requirements, as flap 4 and valve seat 5 are all adopted high temperature resistant and anti abrasive made, its cost of production is higher relatively, for under the situation that guarantees sealability, reducing production costs, described flap 4 includes flap body 42 and connecting sleeve 43, these connecting sleeve 43 outer walls and flap 42 are fixedly linked, and described valve rod 3 bottoms and connecting sleeve 43 inwalls are fixedly connected; Described valve seat 5 includes valve seat body 51 and interior cover 52, should in cover 52 fixedly connected with valve seat body 51,4 liang of groups of described flap sealing surface is arranged on the flap body 42, in being arranged on, 5 liang of groups of described valve seat sealing surface on the cover 52, forms double seal in the cover 52 in described flap body 42 inserts; There is high temperature resistant and abrasion resistance properties just can guarantee the overall sealing performance of valve owing to only need to guarantee the part of flap 4 and valve seat 5, adopt this structure, just can adopt different materials with the different parts of valve seat 5 to flap 4, so not only can reduce the integral production cost of valve greatly, simultaneously, can guarantee that also the sealing of valve is unaffected; Therefore, the mode of execution of present embodiment is a preferred implementation.
In the present embodiment, for reducing production costs and guaranteeing the sealability of valve, described flap body 42 all adopts tungsten cobalt tantalum-niobium alloy made with interior cover 52, because tungsten cobalt tantalum-niobium alloy material has higher intensity, advantages of good abrasion performance and resistance to high temperature, adopt tungsten cobalt tantalum-niobium alloy material, the leakage that not only can avoid the wearing and tearing because of flap body 42 and interior cover 52 to cause, simultaneously, also can guarantee under high temperature condition, softening transform can not take place with interior cover 52 in flap body 42, improves whole sealability; Described valve seat body 51 all adopts the manufacturing of GH3128 alloy material with connecting sleeve 43, because the relative tungsten cobalt with abrasion resistance properties of its resistance to high temperature of GH3128 high-temperature alloy material tantalum niobium is poor, and price is also low than tungsten cobalt tantalum niobium, it is high temperature resistant about 900 ℃, and tungsten cobalt tantalum niobium can not deform softening 1300 ℃ high temperature condition, and the operating temperature of valve seat body 51 and connecting sleeve 43 comparatively speaking than flap body with in be enclosed within low, employing GH3128 is enough to guarantee the working stability of valve seat body 51 and connecting sleeve 43, and cost is also relatively low; Certainly, valve seat body 51 also can adopt other high-temperature alloy material with connecting sleeve 43, such as adopts GH170, can reach identical purpose equally, but because the relative GH170 of GH3128 price is low, therefore, the mode of execution of present embodiment is a preferred implementation.
In the present embodiment, for guaranteeing the sealability of valve, prevent that Yin Gaowen from causing valve leak, the front end of described flap body 42 is provided with a thermal baffle 44, described thermal baffle 44 tops lid is equipped with a baffle plate 45, this baffle plate 45 is fixedlyed connected with flap 44 front ends, the medium heat can be isolated by thermal baffle 44, farthest avoid the medium temperature to be delivered on the flap body 42, adopt this structure, not only can farthest reduce the temperature of flap body 42, simultaneously, also can guarantee the overall sealing performance of valve; Certainly, also can not establish thermal baffle 44, because flap body 42 and interior cover 52 are by high temperature resistant and wearability tungsten cobalt tantalum niobium material manufacturing preferably, and material itself has great high-temperature resistant, do not establish thermal baffle 44 and can adapt to work requirements under the high temperature condition equally, but, guarantee its sealability because thermal baffle 44 can farthest reduce the operating temperature of flap body 42, therefore, the mode of execution of present embodiment is a preferred implementation.
In the present embodiment, be to guarantee the heat-shielding performance of thermal baffle 44, described thermal baffle 44 is resistant to elevated temperatures mullite material, and mullite is the binary compound of unique stable existence under the normal pressure in the Al2O3-SiO2 binary system, its chemical formula: AlxSi2-xO5.5-0.5x; Because it has characteristics such as expansion is even, thermal shock resistance is fabulous, load softening point is high, the high temperature creep value is little, hardness is big, resistance to chemical corrosion is good, but stable operation also under 1800 ℃ condition, adopt this material, can reduce the operating temperature of flap body 42 greatly, so not only can effectively guarantee its heat-shielding performance, simultaneously, also can reduce corresponding cost; For preventing that thermal baffle 44 is subjected to the erosion of high-temperature high-pressure medium to cause the damage of thermal baffle 44, described baffle plate 45 materials are identical with flap body 42 materials, because its intensity height of tungsten cobalt tantalum-niobium alloy material and wear resistance are better, adopt this alloy material, can effectively avoid the erosion of high-temperature high-pressure medium, guarantee the heat-shielding performance of thermal baffle 44 thermal baffle 44; Certainly, thermal baffle 44 also can adopt other material, such as adopts resurrection glass fibre, can reach identical purpose equally, but owing to adopt its high temperature resistant and good thermal stability of mullite material, therefore, the mode of execution of present embodiment is a preferred implementation.
In the present embodiment, be convenient internally cover 52 radiating and coolings, guarantee the sealability of itself and valve, be provided with an annular groove 53 in the described valve seat body 51, described valve body 1 both sides respectively are provided with a cooling hole 7, this cooling hole 7 is connected with annular groove 53 and forms independently cooling channel, can on both sides cooling hole 7, conduit be installed in use, by conduit wherein cooled gas or liquid are imported in the annular groove 53 of valve seat body 51 and and discharge through the opposite side conduit, because the good heat dispersion performance of valve seat body 51 and the thickness of interior cover are thinner relatively, adopt this structure, can carry out cooling heat dissipation to the interior cover 52 that is fixed on the valve seat 5 indirectly, thereby can reduce the operating temperature of interior cover 52, the sealability of cover 52 and flap body 42 in improving, therefore, the mode of execution of present embodiment is a preferred implementation.
In the present embodiment, for preventing that high-temperature high-pressure medium is through valve the time, cause heat to run off, be provided with thermal insulation layer 14 in described valve body 1, this thermal insulation layer 14 is close to mutually with valve body 1 inwall and is fixedly linked, by thermal insulation layer 14, can be isolated medium and valve body 1, preventing that the medium heat amount from outwards disseminating through valve body 1, thereby can effectively prevent the heat energy loss of medium, reduce the conveying cost of medium.
In the present embodiment, installation for easy-to-operat mechanism 6, described operating device 6 is fixedly mounted on the top of valve gap 2 by a support 8, be intellectuality and the automation control that realizes operating device 6, be provided with upper and lower bit switch 81 in described support 8 one sides, described valve rod 3 is provided with the frizzen 32 of movable adjusting, this frizzen 32 also passes through the open and close of upper and lower bit switch 81 control operation mechanisms 6 with the lifting touching upper and lower bit switch 81 of valve rod 3, adopt this mode, the automation control of operating device 6 can be realized and personnel cost can be greatly saved, improve working efficiency, therefore, the mode of execution of present embodiment is a preferred implementation.
In the present embodiment, because after valve uses a period of time, the relative increasing of surface friction drag of valve rod 3 and valve gap 2, for guaranteeing the operating flexibility of valve rod 3, reduce its operation moment of torsion, described valve gap 2 one sides are provided with a grease pouring valve 9, and this grease pouring valve 9 communicates with valve gap 2 passages; Adopt this structure, can be regular valve gap 2 injected lubricious grease carry out maintaining, thereby the flexibility of assurance valve rod 3 that can degree reduces valve rod 3 and the surface friction drag of valve gap 2 passages and the operation moment of torsion of valve rod 3, therefore, the mode of execution of present embodiment is a preferred implementation.
In the present embodiment, described operating device 6 can drive for electronic, pneumatic, hydraulic way, specifically adopts which kind of driving mode, can decide according to the actual requirements.
The foregoing description should not be considered as limitation of the present invention, but any improvement of doing based on spirit of the present invention, all should be within protection scope of the present invention.
Claims (10)
1. ultra-temperature high-pressure stop valve, it includes valve body, valve gap, valve rod, flap, valve seat and operating device, be provided with an import and outlet in the described valve body, described valve seat is fixed in the inlet of valve body, described flap places in the cavity of valve body and fits with valve seat and forms sealing, described valve rod one end and flap are fixedly connected, and its other end links to each other with operating device, is provided with the cooling channel in described valve rod and flap; It is characterized in that being provided with two groups of sealing surfaces between described flap and the valve seat at least, on described flap, be provided with the annular short slot of separating adjacent sealing surface, these annular short slot two ends and the valve base channel inwall formation heat dam that fits.
2. a kind of ultra-temperature high-pressure stop valve according to claim 1, it is characterized in that respectively being provided with on described flap and the valve seat two groups of sealing surfaces, described flap be circular and its front end diameter less than rearward end, two groups of sealing surfaces of described flap are located at respectively on its forward and backward end, on two groups of sealing surfaces of described valve seat inwall that wherein a group is arranged on valve base channel, its other one group of outlet port that is arranged on valve base channel; Described flap front end sealing surface inserts in the valve base channel and the sealing surface of its inwall fits forms the sealing of first road, and the sealing surface in described rear end element sealing surface and valve base channel outlet port fits and forms the sealing of second road.
3. a kind of ultra-temperature high-pressure stop valve according to claim 1 and 2 is characterized in that described flap includes flap body and connecting sleeve, and this connecting sleeve outer wall is fixedlyed connected with flap, and described valve rod bottom and connecting sleeve inwall are fixedly connected; Described valve seat includes valve seat body and interior cover, should fixedly connected with the valve seat body by interior cover, two groups of sealing surfaces of described flap are arranged on the flap body, put in two groups of sealing surfaces of described valve seat are arranged on, and form double seal in the cover in described flap body inserts.
4. a kind of ultra-temperature high-pressure stop valve according to claim 3 is characterized in that described flap body and interior cover all adopt tungsten cobalt tantalum-niobium alloy made, and described valve seat body and connecting sleeve all adopt the manufacturing of GH3128 alloy material.
5. a kind of ultra-temperature high-pressure stop valve according to claim 4 is characterized in that described flap front end is provided with a thermal baffle, and described thermal baffle below lid is equipped with a baffle plate, and this baffle plate is fixedlyed connected with the flap front end.
6. a kind of ultra-temperature high-pressure stop valve according to claim 5 is characterized in that described thermal baffle is resistant to elevated temperatures mullite material, and described barrier material is identical with the flap bulk material.
7. a kind of ultra-temperature high-pressure stop valve according to claim 6 is characterized in that being provided with an annular groove in the described valve seat body, and described valve body both sides are equipped with a cooling hole, and this cooling hole is connected with annular groove and forms independently cooling channel.
8. a kind of ultra-temperature high-pressure stop valve according to claim 7 is characterized in that being provided with thermal insulation layer in the described valve body, and this thermal insulation layer is close to mutually with valve interior wall and is fixedly linked.
9. a kind of ultra-temperature high-pressure stop valve according to claim 8, it is characterized in that described operating device is fixedly mounted on the top of valve gap by a support, be provided with the upper and lower bit switch in described support one side, described valve rod is provided with the frizzen of a movable adjusting, and this frizzen also passes through the open and close of upper and lower bit switch control operation mechanism with the lifting touching upper and lower bit switch of valve rod.
10. a kind of ultra-temperature high-pressure stop valve according to claim 9 is characterized in that described valve gap one side is provided with a grease pouring valve, and this grease pouring valve communicates with the valve gap passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101007295A CN101608694B (en) | 2009-07-20 | 2009-07-20 | Ultra-temperature high-pressure stop valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101007295A CN101608694B (en) | 2009-07-20 | 2009-07-20 | Ultra-temperature high-pressure stop valve |
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| CN101608694A true CN101608694A (en) | 2009-12-23 |
| CN101608694B CN101608694B (en) | 2011-08-17 |
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| CN2009101007295A Active CN101608694B (en) | 2009-07-20 | 2009-07-20 | Ultra-temperature high-pressure stop valve |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518869A (en) * | 2011-12-30 | 2012-06-27 | 中国人民解放军国防科学技术大学 | Stop valve |
| CN102563094A (en) * | 2012-01-16 | 2012-07-11 | 浙江石化阀门有限公司 | Ultrahigh-temperature pneumatic shutoff valve |
| CN102748519A (en) * | 2012-07-09 | 2012-10-24 | 兰州高压阀门有限公司 | Novel high-pressure large-diameter fully-welded ball valve |
| CN104455707A (en) * | 2014-12-09 | 2015-03-25 | 兰州高压阀门有限公司 | Water cooling valve clack structure of 1500 DEG C ultrahigh-temperature valve |
| CN104455478A (en) * | 2014-12-09 | 2015-03-25 | 兰州高压阀门有限公司 | Hydraulic high-temperature heat valve |
| CN105736817A (en) * | 2016-04-18 | 2016-07-06 | 四川龙麟科创节能环保科技股份有限公司 | High-temperature thermal insulation ash valve |
| CN108644396A (en) * | 2018-04-17 | 2018-10-12 | 西北工业大学 | A kind of protection system of high-temperature high pressure valve |
| CN108843795A (en) * | 2018-06-28 | 2018-11-20 | 浙江石化阀门有限公司 | A kind of superhigh temperature butterfly valve with water-cooling structure |
| CN109469738A (en) * | 2018-12-06 | 2019-03-15 | 康毛娣 | Fire protection warning safety valve |
| CN109723840A (en) * | 2017-10-30 | 2019-05-07 | 四川沃兰特阀门制造有限公司 | A kind of high temperature and high pressure cut-off valve |
| CN109854755A (en) * | 2019-02-27 | 2019-06-07 | 西安航天远征流体控制股份有限公司 | A kind of high temperature break valve |
| CN111878588A (en) * | 2020-07-20 | 2020-11-03 | 江苏中伟节能科技有限公司 | Stop valve suitable for high-temperature fluid |
| CN115407713A (en) * | 2022-11-01 | 2022-11-29 | 中国空气动力研究与发展中心超高速空气动力研究所 | Linkage control method for safe opening and closing of wind tunnel |
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2009
- 2009-07-20 CN CN2009101007295A patent/CN101608694B/en active Active
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518869B (en) * | 2011-12-30 | 2013-11-06 | 中国人民解放军国防科学技术大学 | Stop valve |
| CN102518869A (en) * | 2011-12-30 | 2012-06-27 | 中国人民解放军国防科学技术大学 | Stop valve |
| CN102563094A (en) * | 2012-01-16 | 2012-07-11 | 浙江石化阀门有限公司 | Ultrahigh-temperature pneumatic shutoff valve |
| CN102748519A (en) * | 2012-07-09 | 2012-10-24 | 兰州高压阀门有限公司 | Novel high-pressure large-diameter fully-welded ball valve |
| CN104455707A (en) * | 2014-12-09 | 2015-03-25 | 兰州高压阀门有限公司 | Water cooling valve clack structure of 1500 DEG C ultrahigh-temperature valve |
| CN104455478A (en) * | 2014-12-09 | 2015-03-25 | 兰州高压阀门有限公司 | Hydraulic high-temperature heat valve |
| CN105736817A (en) * | 2016-04-18 | 2016-07-06 | 四川龙麟科创节能环保科技股份有限公司 | High-temperature thermal insulation ash valve |
| CN109723840A (en) * | 2017-10-30 | 2019-05-07 | 四川沃兰特阀门制造有限公司 | A kind of high temperature and high pressure cut-off valve |
| CN108644396A (en) * | 2018-04-17 | 2018-10-12 | 西北工业大学 | A kind of protection system of high-temperature high pressure valve |
| CN108843795A (en) * | 2018-06-28 | 2018-11-20 | 浙江石化阀门有限公司 | A kind of superhigh temperature butterfly valve with water-cooling structure |
| CN108843795B (en) * | 2018-06-28 | 2019-08-27 | 浙江石化阀门有限公司 | A kind of superhigh temperature butterfly valve with water-cooling structure |
| CN109469738A (en) * | 2018-12-06 | 2019-03-15 | 康毛娣 | Fire protection warning safety valve |
| CN109469738B (en) * | 2018-12-06 | 2019-12-13 | 深圳市广安消防装饰工程有限公司 | Fire alarm safety valve |
| CN109854755A (en) * | 2019-02-27 | 2019-06-07 | 西安航天远征流体控制股份有限公司 | A kind of high temperature break valve |
| CN111878588A (en) * | 2020-07-20 | 2020-11-03 | 江苏中伟节能科技有限公司 | Stop valve suitable for high-temperature fluid |
| CN115407713A (en) * | 2022-11-01 | 2022-11-29 | 中国空气动力研究与发展中心超高速空气动力研究所 | Linkage control method for safe opening and closing of wind tunnel |
| CN115407713B (en) * | 2022-11-01 | 2023-01-31 | 中国空气动力研究与发展中心超高速空气动力研究所 | Linkage control method for safe opening and closing of wind tunnel |
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| Publication number | Publication date |
|---|---|
| CN101608694B (en) | 2011-08-17 |
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Denomination of invention: Ultra high temperature and high pressure stop valve Effective date of registration: 20211119 Granted publication date: 20110817 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: ZHEJIANG PETROCHEMICAL VALVE Co.,Ltd. Registration number: Y2021980012702 |