CN201133494Y - Blast furnace dedicated wear resistant three-way immobilizing ball valve - Google Patents
Blast furnace dedicated wear resistant three-way immobilizing ball valve Download PDFInfo
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- CN201133494Y CN201133494Y CNU2007200776499U CN200720077649U CN201133494Y CN 201133494 Y CN201133494 Y CN 201133494Y CN U2007200776499 U CNU2007200776499 U CN U2007200776499U CN 200720077649 U CN200720077649 U CN 200720077649U CN 201133494 Y CN201133494 Y CN 201133494Y
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- valve body
- plug screw
- ball
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Abstract
The utility model relates to a wear resistant three-way fixed ball valve special for blast furnace, which comprises a valve (101), a valve seat screw plug (102), a butterfly spring (103), an O-shaped ring (104), a valve seat sleeve (105), a valve seat (106), a valve cap (107), filler material (108), a valve stem, a ball, a retaining ring (110), a positioning block (111), a filler screw plug (112), a spanner (113), a spacer (114), a double-end screw bolt (115) and a nut (116); the valve stem and the ball are an integrated structure (109); the wear resistant three-way fixed ball valve has an advantage of effectively solving factors of difficult assembly and repairing of three-way four-seal ball valve floating balls, unstable sealing performance, etc.
Description
Technical field
The utility model relates to a kind of ball valve, relates in particular to a kind of fixedly spherical ball valve of thickness such as water, gas, coal dust and high temperature resistant, the corrosion resistant threeway of granule medium that is applicable to.
Background technique
At present, domestic traditional wear resistance ball valve structural type is two formulas, and this structure can't be connected collateral branch's shunting, needs other bypass to take over line.Sewage draining exit is not set on ball valve, blast furnace does not does not in use open and close for a long time owing to valve, on spheroid and the sealing seat easily cementing become incrustation scale, make spheroid stuck, sharply rise in valve opening and the transient operation moment of closing, cause the easy to wear and plucking of soft seal valve seat, influence sealability, reduce working life.
In order to address the above problem, China Patent No. 200520088930.3, title are that " special-purpose wear-resisting threeway four seal ball-valves of a kind of blast furnace " patent text discloses a kind of technological scheme.
As seen from Figure 1: by: valve body 1, valve gap 2, stud 3, nut 4, valve seat plug screw 5, O RunddichtringO 6, valve seat cover 7, valve seat 8, pad 9, valve rod 10, back-up ring 11, filler 12, metallic shim 13, positioning block 14, filler plug screw 15, spheroid 16, pad 17, O RunddichtringO 18, bottom 19, spanner 20, plug screw 21, pad 22, plug screw 23,24 sealing gaskets are formed, and it is characterized in that: special-purpose wear-resisting threeway four seal ball-valves of blast furnace have T-shape, " L " type and three kinds of forms of " three internal threads " type; T-shape ball valve body 1 be shaped as the intersected cylinder bodily form, form by a plurality of cylindrical bodys are crossing, valve body 1 is connected with valve gap 2 by stud 3, nut 4 in the mode that is threaded, valve seat plug screw 5 in valve body 1 inner cylindrical, cooperate with valve body 1 and standing valve cover for seat 7 by screw thread, 6 pairs of O RunddichtringOs are clipped between valve seat plug screw 5 and the valve seat cover 7; Valve seat cover 7 is a cylindrical shape, to being clipped between valve seat plug screw 5 and the valve body 1, the valve seat 8 of annular is sleeved in the valve seat cover 7, plug screw 21 is connected with valve body 1 by screw thread, between plug screw 21 and valve body 1, put a pad 22, columniform plug screw 23 is connected with valve body 1 by screw thread, on valve body 1, sewage draining exit is set, 23 pairs of sealing gaskets are clipped between sewage draining exit on plug screw 23 and the valve body 1, suit one annular gasket 9 and metallic shim 13 on the valve rod 10 in valve gap 2, the back-up ring 11 of open annular is installed on the top of valve rod 10, establishes spanner 20 at the top of valve rod 10,2 of valve rod 10 and valve gaps adopt filler 12 sealings, with filler plug screw 15 filler 12 are pressed in the valve gap 2; In valve seat cover 7 valve seat 8 is set, spheroid 16 is encircled 8 of 4 valve seats, pad 17 is sandwiched in the centre of valve gap 2 and valve body 1, and 18 pairs of O RunddichtringOs are clipped in the centre of valve body 1 and bottom 19.
As seen from Figure 2: the valve body 1 of " L " type ball valve be shaped as the intersected cylinder bodily form, form by a plurality of cylindrical bodys are crossing, valve body 1 is connected with valve gap 2 by stud 3, nut 4 in the mode that is threaded, valve seat plug screw 5 in valve body 1 inner cylindrical, cooperate with valve body 1 and standing valve cover for seat 7 by screw thread, 6 pairs of O RunddichtringOs are clipped between valve seat plug screw 5 and the valve seat cover 7, are used for sealing between the two; Valve seat cover 7 is a cylindrical shape, to being clipped between valve seat plug screw 5 and the valve body 1, it is the support of valve seat 8, the valve seat 8 of annular is sleeved in the valve seat cover 7, be used for passage and extraneous sealing, plug screw 21 is connected with valve body 1 by screw thread, and 22 pairs of sealing gaskets are clipped between sewage draining exit on plug screw 21 and the valve body 1, are the keying Sealings of the sewage draining exit on the valve body 1.Suit one annular gasket 9 and metallic shim 13 on the valve rod 10 in valve gap 2, the back-up ring 11 of open annular is installed on the top of valve rod 10, come off in order to the positioning block 14 that prevents to be sleeved on the valve rod 10, establish spanner 20 at the top of valve rod 10, the internal pressure of valve rod 10 and 2 of valve gaps during unlatching that pad 9 can reduce to produce because of internal pressure, the gap that metallic shim 13 produces because of machining error in order to adjusting.2 of valve rod 10 and valve gaps adopt filler 12 sealings, are with filler plug screw 15 filler 12 to be pressed in the valve gap 2.In valve seat cover 7 valve seat 8 is set, spheroid 16 is encircled 8 of 4 valve seats, be used for opening and closing, turning to passage, the grit thing and the fouling of floating when ball valve opens and closes on sphere are excised by the metal valve cover for seat, and the protection valve seat is difficult for damage.The middle formation that pad 17 is sandwiched in valve gap 2 and valve body 1 seals, and 18 pairs of O RunddichtringOs are clipped in the middle formation sealing of valve body 1 and bottom 19.
By Fig. 3, Fig. 4 as seen: the valve body 1 of three female type ball valves be shaped as the intersected cylinder bodily form, form by a plurality of cylindrical bodys are crossing, valve body 1 is connected with valve gap 2 and other parts in the mode that is threaded, the middle formation that O RunddichtringO 6 is clipped in valve body 1 and valve gap 2 seals, and 18 pairs of O RunddichtringOs are clipped in the middle formation sealing of valve body 1 and bottom 19; The valve seat 8 of annular is sleeved in the valve seat orifice, is used for passage and extraneous sealing; Filler plug screw 15 is connected with valve body 1 by screw thread, is used for regulating compressing filler 12, and filler 12 is with filler plug screw 15 it to be pressed in the valve body 1, is used for the sealing of 2 of valve body 1 and valve gaps.Valve rod 10 is sleeved in the valve body 1, is the link of rotary opening and closing spheroid, and the back-up ring 11 of open annular is installed on the top of valve rod 10, comes off in order to prevent positioning block 14.Suit one annular gasket 9 on valve rod 10, the friction of 1 of valve rod 10 and valve body during with the unlatching that reduces to produce because of internal pressure.Spheroid 16 is encircled in the middle of 4 valve seats 8, is used for passage and opens and closes, turns to.Plug screw 21 is connected with valve body 1 by screw thread, it is the sealing cover of alternate channel, between plug screw 21 and valve body 1, put a pad 22 and form sealing, needle-valve plug screw 23 is connected with valve body 1 by screw thread, it is the sealing open-shut device of the sewage draining exit of setting on valve body 1,24 pairs of sealing gaskets are clipped between sewage draining exit on needle-valve plug screw 23 and the valve body 1, are the Sealings of sewage draining exit.
But, all there is such defective in above-mentioned structure: the spheroid in the product is floating type, it is encircled in the middle of four valve seats, so four valve seats must be adjusted to the right place when assembling, and must have four valve seats could guarantee balance, otherwise can not make spheroid be in the center of three passages of valve body, only in this way could guarantee the sealability of original product, therefore the assembling difficulty of original product is very high, and is very high to workman's technical ability competency profiling.And original product is in use if wherein any one valve seat generation abrasion condition just can cause the whole sealing system disequilibrium of original product.
Summary of the invention
The utility model technical issues that need to address have provided fixedly spherical ball valve of the special-purpose wear-resisting threeway of a kind of blast furnace, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The utility model comprises: valve body, valve seat plug screw, butterfly spring, O shape circle, valve seat cover, valve seat, valve gap, filler, valve rod and spheroid, back-up ring, positioning block, filler plug screw, spanner, pad, stud, nut; It between described valve rod and the spheroid club integrative-structure.
Compared with prior art, the beneficial effects of the utility model are: solved the unsteady spheroid assembling of threeway four seal ball-valves maintenance difficult effectively, factors such as sealability instability.
Description of drawings
Fig. 1 is threeway four seal ball-valve structural representations (T-shape) in the prior art;
Fig. 2 is special-purpose wear-resisting threeway four sealing " L " type ball-valve structure schematic representation of blast furnace in the prior art;
Fig. 3 is special-purpose wear-resisting threeway four sealing " three internal threads " the type ball-valve structure schematic representation of blast furnace in the prior art;
Fig. 4 is a ball valve partial sectional view among Fig. 3
Fig. 5 is a structural representation of the present utility model;
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
As seen from Figure 5: the utility model comprises: valve body 101, valve seat plug screw 102, butterfly spring 103, O shape circle 104, valve seat cover 105, valve seat 106, valve gap 107, filler 108, valve rod and spheroid, back-up ring 110, positioning block 111, filler plug screw 112, spanner 113, pad 114, stud 115, nut 116; Between described valve rod and the spheroid club one 109 structures;
Described valve body 101 is T-shape or " L " type or " three internal threads " type.
Each functions of components is in the utility model:
1, valve body: the intersected cylinder bodily form, intersect by a plurality of cylindrical bodys and to combine, and be connected with each parts of screw thread and other, as holding a significant subject that make up other inner piece, and be that the external equipment connection is to finish this valve function of realization.
2, valve seat plug screw: cylindrical shape, cooperate with valve body with screw thread, be used for fixing the valve seat cover, and the adjustable sealing specific pressure.
3, butterfly spring: annular between valve seat plug screw and valve seat cover, is used to compensate the pretightening force of valve seat.
4, O shape circle: annular to being clipped between valve seat plug screw and the valve seat cover, is used for sealing between the two.
5, valve seat cover: cylindrical shape to being clipped between valve seat plug screw and valve body, is the support of valve seat.
6, valve seat: annular, be sleeved in the valve seat cover, be used for passage and extraneous sealing.
7, valve gap: flat six shuttle-shaped column bodies, be connected with valve body with stud nut, be the supporting element of valve rod.
8, filler: annular, be pressed in the valve gap with the filler plug screw, be used for the sealing of valve rod and valve cover chamber.
9, club one: spherical, cylindrical body, encircle at three valve base chambers, be used for opening and closing, changing the commentaries on classics passage.
10, back-up ring: open annular, be installed on the valve rod top, be used to prevent coming off of positioning block.
11, positioning block: rectangular is sleeved on the valve rod angular orientation that the restriction spheroid is opened.
12, filler plug screw: six fusiformis, be connected with valve gap with screw thread, be used for regulating compressing filler.
13, spanner: bar shaped, be placed in the valve rod top, be the instrument of opening/shutting valve.
14, pad: annular, be sandwiched between valve gap and valve body, be used for the sealing of the two.
15, stud: cylindrical, thread forms is used to connect valve gap and valve body.
16, nut: six shuttle-shaped column bodies, thread forms is used to connect valve gap and valve body.
Plug screw, sealing gasket, O-ring seals and four parts of bottom in the Old Name " special-purpose wear-resisting threeway four seal ball-valves of a kind of blast furnace " in the utility model, have been removed, valve rod and spheroid are improved to integral type in the original product in new product, promptly valve rod in the original product and two parts of spheroid are integrated, become club one in the utility model; Do not established sewage draining exit in addition in the utility model, other performance is identical with original product.
The utility model adopts the club one, it is opposite that spheroid is subjected to four valve seat controls in such design and the original product, adopt the fixedly ball of club one in the new product, earlier ball is fixed to the center of three passages of valve body, and then the valve seat of packing into, and only just can satisfy the sealing of threeway, the effect of commutation with three sealings.And the sealing of each valve seat is relatively independent, and is therefore easy to assembly, the workman required also low, and in use sealability is also highly stable
Claims (2)
1. the fixing spherical ball valve of the special-purpose wear-resisting threeway of a blast furnace, comprising: valve body (101), valve seat plug screw (102), butterfly spring (103), O shape are enclosed (104), valve seat cover (105), valve seat (106), valve gap (107), filler (108), valve rod and spheroid, back-up ring (110), positioning block (111), filler plug screw (112), spanner (113), pad (114), stud (115), nut (116); It is characterized in that: be club one (109) structure between described valve rod and the spheroid.
2. the special-purpose wear-resisting threeway of blast furnace according to claim 1 is spherical ball valve fixedly, and it is characterized in that: described valve body (101) is T-shape or " L " type or " three internal threads " type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200776499U CN201133494Y (en) | 2007-12-28 | 2007-12-28 | Blast furnace dedicated wear resistant three-way immobilizing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200776499U CN201133494Y (en) | 2007-12-28 | 2007-12-28 | Blast furnace dedicated wear resistant three-way immobilizing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201133494Y true CN201133494Y (en) | 2008-10-15 |
Family
ID=40061766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200776499U Expired - Fee Related CN201133494Y (en) | 2007-12-28 | 2007-12-28 | Blast furnace dedicated wear resistant three-way immobilizing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201133494Y (en) |
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2007
- 2007-12-28 CN CNU2007200776499U patent/CN201133494Y/en not_active Expired - Fee Related
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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: 20081015 Termination date: 20151228 |
|
| EXPY | Termination of patent right or utility model |