CN206522468U - A kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve - Google Patents
A kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve Download PDFInfo
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- CN206522468U CN206522468U CN201720065511.0U CN201720065511U CN206522468U CN 206522468 U CN206522468 U CN 206522468U CN 201720065511 U CN201720065511 U CN 201720065511U CN 206522468 U CN206522468 U CN 206522468U
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Abstract
The utility model discloses a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve, including main valve body, auxiliary valve body, valve seat, spheroid, valve rod, stuffing-box, shaft coupling, support and locating piece, the entrance point of valve seat is located on main valve body inwall, it is provided with the first disk spring between the entrance point of the valve seat plane adjacent with main valve body, the second disk spring is provided between the port of export of the valve seat plane adjacent with auxiliary valve body；The runner mouthful of spheroid is provided with asymmetric arc notch, and anti-wear gasket is provided between valve rod and main valve contact level.The utility model service life length, good airproof performance, antiscour, wear-resistant, high temperature high voltage resistant.
Description
Technical field
The utility model is related to ball valve field, more particularly to a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve.
Background technology
With developing rapidly for petroleum chemical industry, petrochemical equipment constantly develops to high parameter, maximization direction, because
This proposes the requirement of harshness to valve, such as：High temperature resistant, wear-resistant, heat resistanceheat resistant circulation, low torque and zero leakage etc., are effectively pushed away
The necessity of Wear-resistant, high-temperature resistant ball valve exploitation is moved；High temperature gas-solid (such as adsorbent), high temperature gas-liquid-solid (such as coal chemical industry) are more
Mutually flowing harsh operating mode needs substantial amounts of Wear-resistant, high-temperature resistant ball valve.
But current ball valve has three：
One is that sealing surface coating hardness is relatively low, and sealing surface abrasion resistance properties are poor；
Two be that stem material resistance to elevated temperatures is poor, under the harsh operating mode of high temperature multiphase flow, and valve high frequency, which opens and closes valve rod, to be held
It is yielding, or even fracture；
Three be using conventional ball design, in the initial unlatching of valve and final plant closure, high flow rate, the fluid of high rigidity
Easily cause the abrasion of spheroid and valve seat.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of suitable for the resistance to of the harsh operating mode of gas-liquid-solid multiphase flow
Grind high-temperature resistant ball valve.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve, including main valve body, auxiliary valve body, valve seat, spheroid, valve rod, stuffing-box,
Shaft coupling, support and locating piece, the entrance point of valve seat are located on main valve body inwall, and the entrance point of valve seat is adjacent with main valve body
It is provided between plane between the first disk spring, the port of export of the valve seat plane adjacent with auxiliary valve body and is provided with the second disk spring；
The runner mouthful of spheroid is provided with asymmetric arc notch, and anti-wear gasket is provided between valve rod and main valve contact level.
In one embodiment of the present utility model, pad is provided between main valve body and the sealing surface of auxiliary valve body.
In one embodiment of the present utility model, coated with hard alloy-layer on main valve body and auxiliary valve body passage.
In one embodiment of the present utility model, stuffing-box by the first filler, be arranged on above the first filler second
Filler, the filler pressing sleeve being arranged on above the second filler and the hold-down grid composition being arranged on above filler pressing sleeve.
In one embodiment of the present utility model, valve seat and spheroid are made up of resistant to elevated temperatures metal material, spheroid and valve
Nano diamond layer is coated between the sealing surface of seat.
In one embodiment of the present utility model, valve rod is made of high temperature resistant type stainless steel material, its surface spraying
Be carbonized layers of chrome.
In one embodiment of the present utility model, sealing surface of seat is provided with blade construction.
In one embodiment of the present utility model, sealing surface of seat is the smooth minute surface in surface.
In one embodiment of the present utility model, hold-down grid is pressed on filler pressing sleeve by nut and stud, is filled out
Expect between pressing plate and filler pressing sleeve provided with two group of the 3rd disk spring.
By above-mentioned technical proposal, the beneficial effects of the utility model are：
Spheroid and valve seat of the present utility model are made up of the metal material of high temperature resistant type, and after surface spraying Nano diamond
Laser melting coating is carried out, has the advantages that high rigidity, antiscour, wear-resistant, high temperature high voltage resistant, low-friction coefficient, service life are long.
Valve rod of the present utility model use high temperature resistant type stainless steel, surface carry out spraying chromium carbide, it is ensured that valve high temperature,
Can normally it be opened and closed under the conditions of the bad working environments such as High Pressure Difference, HF switch.
Sealing surface of seat of the present utility model is designed using blade construction, and blade construction design can be carried out to ball seal face
Scraping automatically cleaning, effectively protection seals finishing coat, it is to avoid sealing surface pulls generation leakage, extends the service life of valve.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model structural representation；
Numeral and the corresponding component title represented by letter in figure：
10th, main valve body 20, auxiliary valve body 30, valve seat 40, spheroid 41, asymmetric arc notch 50, valve rod 60, filler
Letter 61, the first filler 62, the second filler 63, filler pressing sleeve 64, hold-down grid 70, shaft coupling 80, support 90, positioning
Block 100, stud 110, nut 120, pad 130, the first disk spring 140, the second disk spring 150, anti-wear gasket
160th, the 3rd disk spring.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Shown in Figure 1, the utility model discloses a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve, including main valve body
10th, auxiliary valve body 20, valve seat 30, spheroid 40, valve rod 50, stuffing-box 60, shaft coupling 70, support 80 and locating piece 90, main valve body
It is attached on fixation, main valve body 10 and the passage of auxiliary valve body 20 and is sprayed by bolt 100 and nut 110 between 10 and auxiliary valve body 20
Hard alloy layer, improves the abrasion resistance of ball valve；Pad 120 is provided between the sealing surface of main valve body 10 and auxiliary valve body 20, is carried
The high sealing property of ball valve；The entrance point of valve seat 30 is located on main valve body inwall, entrance point and the phase of main valve body 10 of valve seat 30
The first disk spring 130 is provided between adjacent plane, provided with the between the port of export of valve seat 30 plane adjacent with auxiliary valve body 20
Two disk springs 140；140 pretensions of first disk spring 130 and the second disk spring and dustproof effect, by adjusting the first dish
Shape spring 130, the second disk spring 140 ensure the seal pressure between sealing surface, so that the double of complete machine valve are effectively ensured
To sealing.
The utility model valve body and valve seat 30 are separate types, and the valve seat 30 of entrance point is provided by the first disk spring 130
Pretightning force, makes valve seat 30 be close to the surface of spheroid 40, and the valve seat 30 of the port of export provides pretightning force by the second disk spring 140, made
Valve seat 30 is close on auxiliary valve body 20, and first, second disk spring can prevent solid particle from entering valve seat static seal face, protection
Valve seat static seal face；When valve seat damage, it is only necessary to change disk spring or valve seat, greatly reduce maintenance cost,
And reduce maintenance man-hours and maintenance difficulty.
The runner mouthful of spheroid 40 is provided with asymmetric arc notch 41, and asymmetric arc notch 41 expands fluid flow area
Greatly to 4 times, by divergent fluid, rate of flow of fluid is reduced, spheroid is washed away so as to reduce fluid, ball valve is effectively protected
Seal internals.
Valve rod 50 is using the anti-structure design that flies out of down-mounting type, provided with two minute surfaces between valve rod 50 and the contact surface of main valve body 10
Anti-wear gasket 150, the switching torque of valve greatly reduces in anti-wear gasket 150, and effectively prevents solid particle from entering valve rod
Working chamber pulls valve rod.
The utility model stuffing-box 60 by the first filler 61, the second filler 62 being arranged on above the first filler, be arranged on
Filler pressing sleeve 63 above second filler and the hold-down grid 64 being arranged on above filler pressing sleeve are constituted；Hold-down grid 64 passes through
Nut 110 and stud 100 are pressed on filler pressing sleeve 63, provided with two group of the 3rd dish between hold-down grid 64 and filler pressing sleeve 63
Spring 160, the setting of two group of the 3rd disk spring 160 enables change of the filler pressing sleeve 63 to various operating modes to compensate, and protects
Demonstrate,prove the sealing of the first filler 61 and the continuous and effective of the second filler 62.
The utility model valve seat 30 and spheroid 40 are made up of resistant to elevated temperatures metal material, the sealing surface of spheroid 40 and valve seat 30
Between be coated with Nano diamond layer after carry out laser melting coating, with hardness height, antiscour, wear-resistant, high temperature high voltage resistant, use
The advantage of long lifespan, in the case of high frequency keying, valve remains to keep the sealing property of zero leakage.
Valve rod 50 is made of high temperature resistant type stainless steel material, its surface spraying carbonization layers of chrome, it is ensured that valve is in high temperature, height
Can normally it be opened and closed under the conditions of the bad working environments such as pressure difference, HF switch.
Sealing surface of seat is provided with blade construction, and the utility model is not limited the concrete structure of blade construction, its
Scraping automatically cleaning can be carried out to ball seal face, effectively protection sealing finishing coat, it is to avoid sealing surface pulls generation leakage,
Extend the service life of valve.
Sealing surface of seat is the smooth minute surface in surface, and sealing surface is that minute surface seals the zero leakage that ensure that valve, simultaneously
The static seal face of main valve body and auxiliary valve body is also processed by shot blasting, reaches minute surface requirement.
When the utility model is installed, valve seat 30 and spheroid 40 carry out pairing grinding, it is ensured that closely paste in dynamic sealing face 100%
Close, furthermore, the sealing surface of valve seat carries out ultra-wide design, and seal f ace width is twice of ordinary ball valve valve seat, improves valve seat
Abrasion resistance properties, so as to improve the service life of valve.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (9)
1. a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve, including main valve body, auxiliary valve body, valve seat, spheroid, valve rod, stuffing-box, connection
Axle device, support and locating piece, it is characterised in that the entrance point of valve seat is located on main valve body inwall, the entrance point of valve seat and master
It is provided between the adjacent plane of valve body between the first disk spring, the port of export of the valve seat plane adjacent with auxiliary valve body and is provided with second
Disk spring；The runner mouthful of spheroid is provided with asymmetric arc notch, and anti-wear gasket is provided between valve rod and main valve contact level.
2. a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve according to claim 1, it is characterised in that main valve body and secondary valve
Pad is provided between the sealing surface of body.
3. a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve according to claim 1, it is characterised in that main valve body and secondary valve
Coated with hard alloy-layer on body passage.
4. a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve according to claim 1, it is characterised in that stuffing-box is by first
Filler, the second filler being arranged on above the first filler, the filler pressing sleeve being arranged on above the second filler and it is arranged on filler
Hold-down grid composition above gland.
5. a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve according to claim 1, it is characterised in that valve seat and spheroid by
Resistant to elevated temperatures metal material is made, and Nano diamond layer is coated between spheroid and the sealing surface of valve seat.
6. a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve according to claim 1, it is characterised in that valve rod uses resistance to height
Warm type stainless steel material is made, its surface spraying carbonization layers of chrome.
7. a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve according to claim 1, it is characterised in that on sealing surface of seat
Provided with blade construction.
8. a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve according to claim 1, it is characterised in that sealing surface of seat is
The smooth minute surface in surface.
9. a kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve according to claim 4, it is characterised in that hold-down grid passes through
Nut and stud are pressed on filler pressing sleeve, provided with two group of the 3rd disk spring between hold-down grid and filler pressing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720065511.0U CN206522468U (en) | 2017-01-19 | 2017-01-19 | A kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720065511.0U CN206522468U (en) | 2017-01-19 | 2017-01-19 | A kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206522468U true CN206522468U (en) | 2017-09-26 |
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ID=59890260
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720065511.0U Active CN206522468U (en) | 2017-01-19 | 2017-01-19 | A kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve |
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| CN (1) | CN206522468U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763870A (en) * | 2017-01-19 | 2017-05-31 | 上海凯工阀门股份有限公司 | A kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve |
| CN108999994A (en) * | 2018-10-10 | 2018-12-14 | 江山市志成阀门有限公司 | A kind of ball valve and its processing technology |
-
2017
- 2017-01-19 CN CN201720065511.0U patent/CN206522468U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763870A (en) * | 2017-01-19 | 2017-05-31 | 上海凯工阀门股份有限公司 | A kind of Wear-resistant, high-temperature resistant metal hard-sealing ball valve |
| CN108999994A (en) * | 2018-10-10 | 2018-12-14 | 江山市志成阀门有限公司 | A kind of ball valve and its processing technology |
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