CN102359626B - Air brick protective valve - Google Patents
Air brick protective valve Download PDFInfo
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- CN102359626B CN102359626B CN201110296101.4A CN201110296101A CN102359626B CN 102359626 B CN102359626 B CN 102359626B CN 201110296101 A CN201110296101 A CN 201110296101A CN 102359626 B CN102359626 B CN 102359626B
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- valve
- valve body
- valve block
- sleeve
- base
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Abstract
The invention belongs to the technical field of metallurgy, relates to a gas retaining device of a gas pipeline, and particularly relates to an air brick protective valve. The protective valve is mainly composed of a valve body, a guiding base, an end cover, a valve body base, a left spherical straight coupling and a right spherical straight coupling, a steel ball, a guide rod and a sleeve, wherein the left spherical straight coupling is hermetically welded on the valve body as an air inlet pipeline, and the right spherical straight coupling is hermetically welded on the end cover as an air outlet pipeline; the guiding base and the valve body base form a whole, and the sleeve is fastened through the guiding base and the valve body base; and the steel ball is placed at the air inlet of the centre of the valve body base, and the guide rod is arranged in the guide sleeve of the cavity of the guiding seat. Because of the cooling protection of the unique two-layer flow gas of the protective valve, the temperature of the sealing spherical surface of the protective valve is far lower than the environmental temperature; meanwhile, the spherical surface hard sealing is adopted, the ageing failure of components, such as a spring, a rubber seal ring and the like, in a one-way isolating valve is reduced, thereby guaranteeing the air permeability of the air brick.
Description
Technical field
The invention belongs to metallurgical technology field, relate to a kind of gas piping gas device for trapping, specifically is a kind of air brick Protective valve.
Background technique
In the present metallurgy industry of China; Special steel and HQ high grade steel are mainly realized through the external refining pattern; Comprising LF refining furnace, RH stove, VD stove etc., all these are smelted and all to be unable to do without BOTTOM ARGON BLOWING raising the efficiency and the molten steel quality, so the Argon quality has direct influence to the quality of variety steel; The final path that argon gas enters into ladle gets into through air brick, and the gas permeability of air brick directly influences pressure and the flow that gets into argon gas in the molten steel.The method that metallurgy industry is taked at present when stopping Argon, is turned off air-supplying valve; Release the overbottom pressure in the pipeline, the air hole on the back air brick of tap is stopped up by molten steel, and very hard can become after the cooling; Because the air brick slit is very little, thus be difficult to it is washed open when smelting Argon next time, so before smelting next time; Must artificial wrap clearly with oxygen, the surface of air brick just receives serious oxidation and damage like this.Otherwise next smelting may cause air brick to block can't be blown open and form dead bag, has a strong impact on the rhythm of steel-making.
Based in the present Argon smelting air brick not being taked protective measure, for rejecting numerous and diverse " clear bag " operation, improve the efficient of Argon technical equipment, the gas permeability of air brick is carried out technical protection just seem necessary.Though metallurgy industry is also very paid close attention to this problem, do not find to have technology and the product that addresses this problem at present as yet.
Summary of the invention
The purpose of this invention is to provide a kind of air brick Protective valve, stopped up, may cause air brick to block to blow open by molten steel and form dead bag, have a strong impact on the problem of steel-making rhythm to solve in the smelting process described in the background technique air hole on the air brick.
For reaching above-mentioned purpose; The invention provides a kind of air brick Protective valve; Form by the valve body that cavity is set, guide holder, guide rod, steel ball, sleeve, valve block, end cap and left sphere straight coupling, right sphere straight coupling; Wherein, valve block is made up of valve block base, the hollow column that is arranged on the edge of this valve block base and the annular wall of extending left and is arranged on this valve block center, and this hollow column length vertically is less than the length of this annular wall.
Guide holder is columnar, the bucket wall that comprises the guide holder base and extend to the right along the edge of this guide seats, and the right-hand member of bucket wall connects with the annular wall of valve block; Steel ball and guide rod are successively set in the cavity that is formed by valve block and guide holder along the axis right-to-left of said hollow column; And the diameter of steel ball is greater than the internal diameter of this hollow column; Steel ball is outside equipped with the sleeve coaxial with valve block; End connects with the right-hand member of said bucket wall, the left end of hollow column respectively about this sleeve, this sleeve radially be provided with air hole;
Guide rod is emitted with shaft by bar to be formed, and its bar emits bar to emit left end from this sleeve to stretch into the left end of this steel ball to contact, the center of guide holder base corresponding to the shaft of this guide rod be provided with one hold this shaft cavity.
Said annular wall is provided with the radial gas passages that communicates with the cavity of said hollow column, and said valve block base is provided with the axial gas passage that communicates with the cavity that is made up of said hollow column, sleeve, annular wall and bucket wall.
Said valve body is a drum shape, comprises at the bottom of the valve body bucket valve body bucket wall that extends with the edge that is arranged at the bottom of this valve body bucket to the right, and the right-hand member of valve body bucket wall connects with the left end of said valve block base and the annular wall and the seat ring that leads are enclosed wherein.
The center is provided with circular port at the bottom of the valve body bucket, connects with the left sphere straight coupling that is arranged on its left end;
Said end cap is a drum shape; End cap bucket wall by extending left with the edge that is arranged at the bottom of this end cap at the bottom of the end cap constitutes; The left end of this end cap bucket wall connects with valve block base right part; Thereby form the chamber that communicates with said axial gas passage, the circular port of center communicates with said right sphere straight coupling this chamber at the bottom of the end cap through being arranged on.
The center of the left side of above-mentioned guide holder base is protruded left and is formed a cylindrical convex body, and said cavity forms by the right side of this convex body is recessed left.
Advantage of the present invention is: this Protective valve is because the cooling protection of its unique double-deck flowing gas makes its temperature that seals sphere far below ambient temperature, simultaneously; Adopt sphere to seal firmly; Reduce the ageing failures of components and parts under high temperature condition such as unidirectional stop valve inner spring, rubber seal on the ordinary meaning, guaranteed the gas permeability of air brick, the working life and the reliability that have prolonged equipment; Avoid numerous and diverse clear bag link, practiced thrift the gas resource.
Description of drawings
Combine accompanying drawing and embodiment that the coaxial scope sight of fixed reticule provided by the invention is elaborated at present:
Fig. 1 be air brick Protective valve provided by the invention at the Argon state, the structural representation when protective action is broken off.
Fig. 2 is the structural representation of the valve block in the air brick Protective valve provided by the invention;
Fig. 3 is the structural representation of the guide holder in the air brick Protective valve provided by the invention;
Fig. 4 is the structural representation of the guide rod in the air brick Protective valve provided by the invention;
Fig. 5 is the structural representation of the valve body in the air brick Protective valve provided by the invention;
Fig. 6 is the structural representation of the end cap in the air brick Protective valve provided by the invention;
Fig. 7 is that air brick Protective valve provided by the invention is stopping Argon, the phase diagram when protective action is connected.
Among the figure: 1, left sphere straight coupling, 2, valve body, 3, guide holder, 4, guide rod, 5, steel ball, 6, end cap; 7, valve block, 8, sleeve, 9, right sphere straight coupling, 10, the valve block base, 11, annular wall; 12, hollow column, 13, the guide holder base, 14, the bucket wall, 15, bar emits, 16, shaft; 17, vent, 18, cavity, 19, radial gas passages, 20, the axial gas passage, 21, at the bottom of the valve body bucket; 22, valve body bucket wall, 23, end cap bucket wall, 24, at the bottom of the end cap, 25,27 circular ports, 26, convex body.
Embodiment
Present embodiment problem to be solved is that the air hole on the air brick is stopped up, causes air brick to block can't to blow open by molten steel and forms dead bag in the present smelting process, has a strong impact on the problem of steel-making rhythm.
For this reason; Present embodiment provides air brick Protective valve as shown in Figure 1; Form by the valve body that cavity is set 2, guide holder 3, guide rod 4, steel ball 5, sleeve 8, valve block 7, end cap 6 and left sphere straight coupling 1, right sphere straight coupling 9; Wherein, Valve block 7 is made up of valve block base 10, the hollow column 12 that is arranged on the edge of this valve block base 10 and the annular wall 11 of extending left and is arranged on these valve block base 10 centers, and this hollow column 12 length vertically is less than the length of this annular wall 11, referring to Fig. 2; Annular wall 11 is provided with the radial gas passages 19 that communicates with the cavity of said hollow column 12, and said valve block base 10 is provided with the axial gas passage 20 that communicates with the cavity P2 that is made up of hollow column 12, sleeve 8, annular wall 11 and bucket wall 14;
As shown in Figure 3, guide holder 3 is columnar, the bucket wall 14 that comprises guide holder base 13 and extend to the right along the edge of this guide seats 13, and the right-hand member of bucket wall 14 connects with the annular wall 11 of valve block 7; Steel ball 5 is successively set in the cavity that is formed by valve block 7 and guide holder 3 with the axis right-to-left of guide rod 4 along hollow column 12; And the diameter of steel ball 5 is greater than the internal diameter of this hollow column 12; Steel ball 5 is outside equipped with the sleeve 8 coaxial with valve block 7; End connects with the right-hand member of said bucket wall 14, the left end of hollow column 12 respectively about this sleeve 8, this sleeve 8 radially be provided with vent 17; The center of the left side of guide holder base 13 is protruded left and is formed a cylindrical convex body 26, and said cavity 18 forms by the right side of this convex body 26 is recessed left.
Shown in Figure 4 is the structural representation of guide rod 4; Be not difficult to find out that guide rod 4 emits 15 to form with shaft 16 by bar; Its bar emits 15 left ends from this sleeve 8 to stretch into the left end of this steel ball 5 to contact, the center of guide holder base 13 corresponding to the shaft 16 of this guide rod 4 be provided with one hold this shaft 16 cavity 18.
Valve body 2 is drum shape, and is as shown in Figure 5, comprises at the bottom of the valve body bucket the 21 valve body bucket walls 22 that extend with the edge that is arranged at the bottom of this valve body bucket 21 to the right, and the right-hand member of valve body bucket wall 22 connects with the left end of valve block base 10 and annular wall 11 and guide holder 3 encircled and encloses wherein; At the bottom of the valve body bucket on 21 the center be provided with circular port 27, connect with the left sphere straight coupling 1 that is arranged on its left end.
End cap 6 is drum shapes; By Fig. 6 visible its by end cap at the bottom of the 24 end cap bucket walls 23 that extend left with the edge that is arranged at the bottom of this end cap 24 constitute; The left end of this end cap bucket wall 23 connects with valve block base 10 right parts; Thereby form the chamber P4 that communicates with said axial gas passage 20, the circular port 25 of 24 centers communicates with said right sphere straight coupling 9 this chamber P4 at the bottom of the end cap through being arranged on.
By Fig. 1; Can know when normal Argon; Pressurized gas are entered in the chamber P1 that valve body 2 and guide holder 3, valve block 7 form by the suction port (circular port 27) of airintake direction on left sphere straight coupling 1, valve body 2; Along the radial air inlet mouth of valve block 7 bottoms is that the center inlet hole that radial gas passages 19 enters into valve block 7 is the cavity of hollow column 12; Gas promotes steel ball 5 and moves up with guide rod 4 integral body; Open the center suction port on the valve block 7, enter into the chamber P3 of sleeve 8, enter in the chamber P2 of valve block 7 and sleeve 8 external cylindrical surfaces along the radially vent 17 that gathers on the sleeve inner cylindrical surface; Be that axial gas passage 20 enters in the Seal cage P4 of valve block 7 and end cap 6 by a plurality of axial air outlet hole on the valve block 7 again, after the center air outlet hole on the end cap 6 is a circular port 25 is transported in the air brick with sphere straight coupling 9.
Referring to Fig. 7, when stopping Argon, the emptying of air inlet air venting; Argon gas positive pressure in chamber P1, P2, the P3 sharply descends; Steel ball 5 and guide rod 4 are that the cavity of hollow column 12 is sealed with the center suction port of valve block 7, at this moment under the effect of gravity; Chamber P4, P2, P3 inherent moment will produce on the sphere that certain backpressure acts on steel ball 5, increase sealing.Be sealed in the argon gas in the pipeline, along with the carrying out of the process of tapping a blast furnace, the reduction of air brick ambient temperature and pressure will form " one deck " bubble on the surface of air brick, has separated molten steel and the direct of air brick and has contacted, and has prevented that air hole is blocked.
The characteristics of the air brick Protective valve that present embodiment provides: because in the refining smelting process, ladle often is in high-temperature zone (like the VD stove), this just requires Protective valve under hot environment (380 ℃-600 ℃), to have good sealing property.This Protective valve is because the cooling protection of its unique double-deck flowing gas; The temperature that makes its sealing sphere is far below ambient temperature; Simultaneously; Adopt sphere to seal firmly, reduced the ageing failures of components and parts under high temperature condition such as unidirectional stop valve inner spring, rubber seal on the ordinary meaning, guaranteed the working life and the reliability of equipment.
Claims (4)
1. air brick Protective valve; It is characterized in that: this air brick Protective valve is made up of the valve body that cavity is set (2), guide holder (3), guide rod (4), steel ball (5), sleeve (8), valve block (7), end cap (6) and left sphere straight coupling (1), right sphere straight coupling (9); Wherein, Valve block (7) by valve block base (10), be arranged on the edge of this valve block base (10) and annular wall (11) of extending and hollow column (12) formation that is arranged on this valve block base (10) center left, this hollow column (12) length vertically is less than the length of this annular wall (11); (21) are provided with attachment hole (27) at the bottom of the valve body bucket, and this attachment hole (27) connects with the left sphere straight coupling (1) that is arranged on its left end; Described guide holder (3) is columnar, the bucket wall (14) that comprises guide holder base (13) and extend to the right along the edge of this guide holder base (13), and the right-hand member of bucket wall (14) connects with the annular wall (11) of valve block (7); Steel ball (5) and guide rod (4) are successively set in the cavity that is formed by valve block (7) and guide holder (3) along the axis right-to-left of said hollow column (12); And the diameter of steel ball (5) is greater than the internal diameter of this hollow column (12); Steel ball (5) is outside equipped with the sleeve (8) coaxial with valve block (7); End connects with the right-hand member of said bucket wall (14), the left end of hollow column (12) respectively about this sleeve (8), this sleeve (8) radially be provided with vent (17); Described annular wall (11) is provided with the radial gas passages (19) that communicates with the cavity of said hollow column (12), and said valve block base (10) is provided with the axial gas passage (20) that communicates with the cavity (P2) that is made up of said hollow column (12), sleeve (8), annular wall (11) and bucket wall (14); Described end cap (6) is a drum shape; By (24) at the bottom of the end cap and the end cap bucket wall (23) that the edge of (24) extends left at the bottom of being arranged on this end cap constitute; The left end of this end cap bucket wall (23) connects with valve block base (10) right part; Thereby form the chamber (P4) that communicates with said axial gas passage (20), the circular air outlet hole (25) of (24) center communicates with said right sphere straight coupling (9) this chamber (P4) at the bottom of the end cap through being arranged on.
2. according to the said a kind of air brick Protective valve of claim 1; It is characterized in that: described guide rod (4) emits (15) and shaft (16) to form by bar; Its bar emit (15) certainly the left end of this sleeve (8) stretch into the left end of this steel ball (5) and contact, the center of guide holder base (13) is provided with one corresponding to the shaft (16) of this guide rod (4) and holds the cavity (18) of this shaft (16).
3. according to the said a kind of air brick Protective valve of claim 1; It is characterized in that: described valve body (2) is a drum shape; The valve body bucket wall (22) that the edge of (21) extends to the right at the bottom of comprising (21) at the bottom of the valve body bucket and being arranged on this valve body bucket, the right-hand member of valve body bucket wall (22) connects with the left end of said valve block base (10) and annular wall (11) and guide holder (3) ring is enclosed wherein.
4. according to the said a kind of air brick Protective valve of claim 2; It is characterized in that: the center of the left side of said guide holder base (13) is protruded left and is formed a cylindrical convex body (26), and the said cavity (18) that holds said shaft forms by the right side of this convex body (26) is recessed left.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110296101.4A CN102359626B (en) | 2011-10-08 | 2011-10-08 | Air brick protective valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110296101.4A CN102359626B (en) | 2011-10-08 | 2011-10-08 | Air brick protective valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102359626A CN102359626A (en) | 2012-02-22 |
| CN102359626B true CN102359626B (en) | 2012-12-19 |
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ID=45584992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110296101.4A Expired - Fee Related CN102359626B (en) | 2011-10-08 | 2011-10-08 | Air brick protective valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN102359626B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016110279A1 (en) * | 2015-11-25 | 2017-06-01 | Hilite Germany Gmbh | Check valve for a connecting rod for variable compression of an internal combustion engine and connecting rod with such a check valve |
| CN106641352B (en) * | 2016-12-28 | 2020-02-21 | 江苏特思克阀门制造有限公司 | Dual-purpose valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1054659A (en) * | 1990-03-08 | 1991-09-18 | 王克栋 | Automatic limited safety corner valve |
| JP2729916B2 (en) * | 1994-04-28 | 1998-03-18 | 大明金属工業株式会社 | Flat plug |
| US7537023B2 (en) * | 2004-01-12 | 2009-05-26 | Masco Corporation Of Indiana | Valve body assembly with electronic switching |
| CN201028053Y (en) * | 2007-04-16 | 2008-02-27 | 北京众力德邦智能机电科技有限公司 | Three-way balancing regulating valve |
| CN101067179A (en) * | 2007-06-07 | 2007-11-07 | 泰州金鼎精密铸造有限公司 | Bottom blowing type intermediate frequency smelting furnace and in-furnace auxiliary refining method |
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2011
- 2011-10-08 CN CN201110296101.4A patent/CN102359626B/en not_active Expired - Fee Related
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|---|---|
| CN102359626A (en) | 2012-02-22 |
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Granted publication date: 20121219 Termination date: 20211008 |
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