CN209262281U - Homogenizing valve - Google Patents
Homogenizing valve Download PDFInfo
- Publication number
- CN209262281U CN209262281U CN201822142860.5U CN201822142860U CN209262281U CN 209262281 U CN209262281 U CN 209262281U CN 201822142860 U CN201822142860 U CN 201822142860U CN 209262281 U CN209262281 U CN 209262281U
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- spool
- hard alloy
- valve seat
- diamond layer
- gap
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Abstract
The utility model relates to a kind of homogenizing valves, including the valve seat and spool being oppositely arranged, it is installed with the gap passed through for material between the valve seat and spool, and corresponds on the gap and/or the spool on the valve seat and is covered with polycrystalline diamond layer or polycrystalline cubic boron nitride layer corresponding to the gap.The utility model improves the wearability of valve seat and/or spool by above-mentioned structure, extends its service life.
Description
Technical field
The utility model relates to homogenizing valve technical fields, refer in particular to a kind of homogenizing valve with wear-resisting valve seat and anti-wear valve core.
Background technique
At work, high-pressure material can pass through valve seat to homogenizing valve, then be flowed out by the gap between valve seat and spool,
During this, the surface of valve seat and spool must endure as the material of high-voltage high-speed by bring friction, collision and cavitation erosion, because
This valve seat and spool are all easily worn.Generally manufactured using high-intensitive, anti abrasive material.
However, existing valve seat and spool are still easily ground in the material homogeneous work for carrying out hyperpressure and high rigidity
Damage, service life are short, cause component to need to constantly change, homogeneous is at high cost.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of homogenizing valve, can solve existing
Valve seat and/or the problem that spool is easy to wear, service life is short.
Realizing the technical solution of above-mentioned purpose is:
The utility model provides a kind of homogenizing valve, comprising:
The valve seat and spool being oppositely arranged, are installed with the gap passed through for material, and described between the valve seat and spool
Polycrystalline diamond layer is covered with corresponding to the surface for corresponding to the gap on the surface in the gap and/or the spool on valve seat
Or polycrystalline cubic boron nitride layer.
The utility model has the beneficial effects that using the surface setting plycrystalline diamond gold for corresponding to gap in valve seat and/or spool
Hard rock layer improves valve so that material is born by the friction, collision and cavitation erosion generated when gap by polycrystalline diamond layer
The abrasion resistance properties of seat and/or spool extend service life.Further, since only strengthening valve seat and/or between spool corresponds to
The surface of gap, can the preferably feasibility of control valve seat and/or spool manufacturing cost and technique.
The utility model homogenizing valve further improvement lies in that, on the valve seat corresponding to the gap surface be covered with it is poly-
Diamond layer；
The first hard alloy lining is equipped between polycrystalline diamond layer and the valve seat on the valve seat, described first is hard
Polycrystalline diamond layer on matter alloy lining and the valve seat sinters an entirety into.
The utility model homogenizing valve further improvement lies in that, the first hard alloy lining by soldering is fixed on institute
State the surface for corresponding to the gap on valve seat.
The utility model homogenizing valve further improvement lies in that, on the valve seat corresponding to the gap surface be covered with it is poly-
Diamond layer；
The valve seat is hard alloy valve seat, the polycrystalline diamond layer and the hard alloy valve seat sinter into one it is whole
Body.
The utility model homogenizing valve further improvement lies in that, on the spool corresponding to the gap surface be covered with it is poly-
Diamond layer；
The second hard alloy lining is equipped between polycrystalline diamond layer and the spool on the spool, described second is hard
Polycrystalline diamond layer on matter alloy lining and the spool sinters an entirety into.
The utility model homogenizing valve further improvement lies in that, the spool be hard alloy spool, second hard
Alloy lining is fixed on the surface that the hard alloy spool corresponds to the gap by soldering.
The utility model homogenizing valve further improvement lies in that, the spool include a spool handle and be set to the spool handle
Hard alloy pedestal close to the valve seat side；
The second hard alloy lining is fixed on the hard alloy pedestal by soldering corresponding to the gap
Surface.
The utility model homogenizing valve further improvement lies in that, on the spool corresponding to the gap surface be covered with it is poly-
Diamond layer；
The spool includes a spool handle and the hard alloy pedestal set on the spool handle close to the valve seat side, institute
It states polycrystalline diamond layer and the hard alloy pedestal sinters an entirety into.
The utility model homogenizing valve further improvement lies in that, the spool handle corresponds to the surface of the hard alloy pedestal
It is formed with recess portion, the surface of the hard alloy pedestal corresponds to the recess portion equipped with protrusion, is embedded at by the protrusion described
Recess portion is to be fixed on the spool handle for the hard alloy pedestal.
The utility model homogenizing valve further improvement lies in that, on the spool corresponding to the gap surface be covered with it is poly-
Diamond layer；
The spool is hard alloy spool, the polycrystalline diamond layer and the hard alloy spool sinter into one it is whole
Body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model homogenizing valve.
Fig. 2 is the structural schematic diagram that valve body is omitted in the utility model homogenizing valve and collides ring.
Fig. 3 is the partial enlargement diagram of valve seat in the utility model homogenizing valve.
Fig. 4 is the partial enlargement diagram of spool in the utility model homogenizing valve.
Fig. 5 is the partial enlargement diagram of spool in another embodiment in the utility model homogenizing valve.
Fig. 6 is the partial enlargement diagram of spool in the another embodiment of the utility model homogenizing valve.
Description of symbols:
11- valve seat；12- spool；13- collides ring；14- valve body；The gap 30-；
121- spool handle；122- hard alloy pedestal；
The first polycrystalline diamond layer of 21-；211- the first hard alloy lining；
The second polycrystalline diamond layer of 22-；221- the second hard alloy lining.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Refering to fig. 1, the utility model provides a kind of homogenizing valve, has the characteristics that wear-resistant, long service life, solves
The still easily abrasion, service life in the material homogeneous work for carrying out hyperpressure and high rigidity of existing valve seat and spool
It is short, cause component to need to constantly change, the problem of the increase of homogeneous cost.With reference to the accompanying drawing to the utility model homogenizing valve into
Row explanation.
As depicted in figs. 1 and 2, the utility model homogenizing valve includes a valve body 14, is formed with one for material in the valve body 14
By channel, and at the channel in valve body 14 be equipped with valve seat 11, spool 12 and collision ring 13.Wherein, valve seat 11 and spool 12
It is oppositely arranged and is installed between the two a gap 30, collision ring 13 corresponds to the gap setting.In homogenizing process, high pressure first
High-speed material passes through the inside of valve seat 11 along the direction of Fig. 1 arrow and hits the surface of spool 12, and then material passes through valve seat 11
The inner surface of collision ring 13 is hit in gap 30 between spool 12 again, and last material flows out valve body along channel in the direction of the arrow
14。
Since material can wear the surface of valve seat and spool when passing through gap 30, the table in gap 30 is corresponded on valve seat 11
Surface on face and/or spool 12 corresponding to gap 30 is covered with polycrystalline diamond layer or polycrystalline cubic boron nitride layer.Preferably, two
A surface is covered with polycrystalline diamond layer or polycrystalline cubic boron nitride layer.
The following are the embodiments using polycrystalline diamond layer.For ease of description, the plycrystalline diamond Buddha's warrior attendant that 11 surface of valve seat will be overlying on
Rock layers are defined as the first polycrystalline diamond layer 21, and the polycrystalline diamond layer for being overlying on 12 surface of spool is defined as the second plycrystalline diamond gold
Hard rock layer 22.
In the first embodiment, as shown in Figure 3 and Figure 4, first is equipped between the first polycrystalline diamond layer 21 and valve seat 11
Hard alloy lining 211, the first hard alloy lining 211 and the first polycrystalline diamond layer 21 sinter an entirety into.Preferably
Ground, valve seat 11 are hard alloy valve seat, and the first hard alloy lining 211 is fixed on valve seat 11 by soldering corresponding to gap
Surface.Preferably, the thickness about 0.5mm of the first polycrystalline diamond layer 21, and the thickness of the first hard alloy lining 211 can basis
Actual conditions selection.
Similarly, the second hard alloy lining 221 is equipped between the second polycrystalline diamond layer 22 and spool 12, this is second hard
Matter alloy lining 221 and the second polycrystalline diamond layer 22 sinter an entirety into.Preferably, the thickness of the second polycrystalline diamond layer 22
About 0.5mm is spent, and the thickness of the second hard alloy lining 221 can select according to the actual situation.
Spool 12 is including a spool handle 121 and set on spool handle 121 close to the hard alloy pedestal 122 of valve seat side.The
Two hard alloy linings 221 are fixed on surface of the hard alloy pedestal 122 far from spool handle 121 by soldering.Carbide matrix
Seat 122, which can be directly brazed, is fixed on spool handle 121, can also be embedded on spool handle 121 (such as Fig. 4).Specifically, spool handle 121
The surface of corresponding hard alloy pedestal 122 is formed with recess portion, and the surface corresponding recess of hard alloy pedestal 122 is equipped with protrusion, leads to
It crosses the protrusion and is embedded at recess portion to which hard alloy pedestal 122 is fixed on spool handle 121.
In a second embodiment, as shown in Fig. 2, valve seat 11 is hard alloy valve seat, the first polycrystalline diamond layer 21 and institute
An entirety is sintered into after stating the forming of hard alloy valve seat direct pressing.Spool 12 is hard alloy spool, the second plycrystalline diamond Buddha's warrior attendant
An entirety is sintered into after rock layers 22 and hard alloy spool direct pressing forming.Alternatively, as shown in figure 5, spool 12 wraps
Include a spool handle and the hard alloy pedestal set on spool handle close to valve seat side, the second polycrystalline diamond layer 22 and the hard
Alloy pedestal sinters an entirety into after being directly compressed into shape.But there is opposite technique and require high and needs fixed in such structure
System and the high problem of manufacturing cost.
In the third embodiment, the structure of valve seat is identical in the structure with first embodiment of valve seat.And spool 12 is hard
Alloy spool, as shown in fig. 6, the second hard alloy lining 221 is fixed on spool 12 surface for corresponding to gap by soldering.
Preferably, above-mentioned hard alloy valve seat, hard alloy pedestal and the selection of hard alloy lining and polycrystalline diamond
The close high cobalt base hard alloy of thermal expansion factor.
And in the fourth embodiment, correspond on valve seat 11 and corresponds to gap 30 on the surface and/or spool 12 in gap 30
Surface be covered with polycrystalline cubic boron nitride layer.Cubic boron nitride (Cubic boron nitride) is International Mineralogical Association
In the new mineral of one kind that in August, 2013 is duly admitted, synthesized at high temperature under high pressure by hexagonal boron nitride and catalyst, atom knot
Structure is similar with the atomic structure of carbon in diamond, therefore it has the characteristic of high rigidity.And polycrystalline cubic boron nitride be by cube
Boron nitride micro mist is in the presence of bonding agent, cubic boron nitride polycrystal made of high temperature and pressure sintering.Compared with polycrystalline diamond,
Polycrystalline cubic boron nitride has better inertia.
Polycrystalline cubic boron nitride layer is identical as polycrystalline diamond layer, can be closed by sintering and hard alloy lining, hard
Golden valve seat or hard alloy pedestal link into an integrated entity, thus only the polycrystalline diamond layer in above description need to be substituted for plycrystalline diamond and stood
The embodiment using polycrystalline cubic boron nitride layer can be obtained in square boron nitride layer, therefore this will not be repeated here.
The utility model homogenizing valve has the beneficial effect that
By covering polycrystalline diamond layer or polycrystalline cubic boron nitride layer on the opposite surface of valve seat and spool, plycrystalline diamond is utilized
Diamond or the splendid hardness of polycrystalline cubic boron nitride, prevent material from causing to wear to valve seat and spool when passing through gap,
The cavitation resistive property of valve seat and spool is effectively increased, to extend the service life of valve seat and spool.Polycrystalline diamond layer
It is equipped with the hard alloy lining for sintering an entirety into polycrystalline diamond layer with the junction of valve seat or spool, can not only rise
To the effect for reinforcing polycrystalline diamond layer, overcomes the shortcomings of that polycrystalline diamond is hard and crisp, promote its toughness, be also plycrystalline diamond
Diamond layer provides installation foundation, and, the thermal expansion factor of polycrystalline diamond and high cobalt base hard alloy is closer to, Bu Huiyin
It falls off for temperature change.
Spool passes through the setting of hard alloy pedestal, and only hard alloy lining does not provide the basis of soldering, Er Qiewu
It needs entire spool to make using hard alloy, can effectively save the usage amount of hard alloy, reduce cost.
Combine figure embodiment that the utility model is described in detail above, those skilled in the art can root
Many variations example is made to the utility model according to above description.Thus, certain details in embodiment should not constitute practical to this
Novel restriction, the utility model will be using the ranges that the appended claims define as the protection scope of the utility model.
Claims (10)
1. a kind of homogenizing valve characterized by comprising
The valve seat and spool being oppositely arranged are installed with the gap passed through for material, and the valve seat between the valve seat and spool
It is upper to be covered with polycrystalline diamond layer corresponding to the surface for corresponding to the gap on the surface in the gap and/or the spool or gather
Brilliant cbn layer.
2. homogenizing valve as described in claim 1, which is characterized in that the surface on the valve seat corresponding to the gap is covered with poly-
Diamond layer；
The first hard alloy lining is equipped between polycrystalline diamond layer and the valve seat on the valve seat, first hard closes
Polycrystalline diamond layer on golden lining and the valve seat sinters an entirety into.
3. homogenizing valve as claimed in claim 2, which is characterized in that the first hard alloy lining is fixed on institute by soldering
State the surface for corresponding to the gap on valve seat.
4. homogenizing valve as described in claim 1, which is characterized in that the surface on the valve seat corresponding to the gap is covered with poly-
Diamond layer；
The valve seat is hard alloy valve seat, and the polycrystalline diamond layer and the hard alloy valve seat sinter an entirety into.
5. homogenizing valve according to any one of claims 1 to 4, which is characterized in that correspond to the gap on the spool
Surface be covered with polycrystalline diamond layer；
The second hard alloy lining is equipped between polycrystalline diamond layer and the spool on the spool, second hard closes
Polycrystalline diamond layer on golden lining and the spool sinters an entirety into.
6. homogenizing valve as claimed in claim 5, which is characterized in that the spool is hard alloy spool, second hard
Alloy lining is fixed on the surface that the hard alloy spool corresponds to the gap by soldering.
7. homogenizing valve as claimed in claim 5, which is characterized in that the spool is including a spool handle and is set to the spool handle
Hard alloy pedestal close to the valve seat side；
The second hard alloy lining is fixed on the hard alloy pedestal surface for corresponding to the gap by soldering.
8. homogenizing valve as described in claim 1, which is characterized in that the surface on the spool corresponding to the gap is covered with poly-
Diamond layer；
The spool includes a spool handle and the hard alloy pedestal set on the spool handle close to the valve seat side, described poly-
Diamond layer and the hard alloy pedestal sinter an entirety into.
9. homogenizing valve as claimed in claim 7 or 8, which is characterized in that the spool handle corresponds to the hard alloy pedestal
Surface is formed with recess portion, and the surface of the hard alloy pedestal corresponds to the recess portion equipped with protrusion, is embedded at by the protrusion
The recess portion is to be fixed on the spool handle for the hard alloy pedestal.
10. homogenizing valve according to any one of claims 1 to 4, which is characterized in that correspond to the gap on the spool
Surface be covered with polycrystalline diamond layer；
The spool is hard alloy spool, and the polycrystalline diamond layer and the hard alloy spool sinter an entirety into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822142860.5U CN209262281U (en) | 2018-12-19 | 2018-12-19 | Homogenizing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822142860.5U CN209262281U (en) | 2018-12-19 | 2018-12-19 | Homogenizing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262281U true CN209262281U (en) | 2019-08-16 |
Family
ID=67560298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822142860.5U Active CN209262281U (en) | 2018-12-19 | 2018-12-19 | Homogenizing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209262281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967440A (en) * | 2021-09-15 | 2022-01-25 | 苏州布雷沃斯科技有限公司 | Constant-pressure type nanometer homogenizer |
-
2018
- 2018-12-19 CN CN201822142860.5U patent/CN209262281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967440A (en) * | 2021-09-15 | 2022-01-25 | 苏州布雷沃斯科技有限公司 | Constant-pressure type nanometer homogenizer |
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