CN105952925B - Ceramic rotary valve - Google Patents
Ceramic rotary valve Download PDFInfo
- Publication number
- CN105952925B CN105952925B CN201610323230.0A CN201610323230A CN105952925B CN 105952925 B CN105952925 B CN 105952925B CN 201610323230 A CN201610323230 A CN 201610323230A CN 105952925 B CN105952925 B CN 105952925B
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- China
- Prior art keywords
- hole
- valve pocket
- rotary
- rotary spool
- curved portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000919 ceramic Substances 0.000 title claims abstract description 27
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 16
- 239000010935 stainless steel Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 8
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000002459 sustained effect Effects 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 229910003460 diamond Inorganic materials 0.000 abstract description 3
- 239000010432 diamond Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 208000004141 microcephaly Diseases 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910001928 zirconium oxide Inorganic materials 0.000 description 5
- 230000002411 adverse Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0407—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/04—Arrangements for preventing erosion, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/045—Particular coverings and materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention belongs to rotary valve technical fields, more particularly to a kind of ceramic rotary valve, including stainless steel component, be made of ceramic materials rotation valve pocket, the rotary spool that is made of ceramic materials, and rotary spool is sheathed in rotation valve pocket, the head fits of stainless steel component and rotary spool.Compared with the existing technology, the present invention at least has the following advantages that：It is ceramics, chemical stability and extreme hardness to rotate valve pocket and rotary spool these materials with the part of media contact, is only second to diamond.Therefore, the present invention has high wear-resistant, corrosion-resistant, erosive wear resistance, and minimum to medium pollution；The circular cone through-hole of rotary spool has concentric reducer, it is staggered by the through-hole of major part and valve pocket being relatively large in diameter during rotary spool and carries out first time throttling, the smaller through-hole of the diameter of microcephaly and valve pocket, which is staggered, carries out second of throttling, so that throttling is apparent, effect is more preferable, and can be to avoid the appearance of backflow phenomena.
Description
Technical field
The invention belongs to rotary valve technical field more particularly to a kind of ceramic rotary valves.
Background technology
Rotary valve is a kind of straight-through valve of high-speed switch, is the control unit in pipeline fluid transport system, for changing
Access section and media flow direction, have the function of water conservancy diversion, cut-off, adjust, prevent adverse current, throttling, shunting or overflow release etc..
But the cut-off of rotary valve in the prior art, adjust, prevent adverse current etc. functions ideal requirement is not achieved, and
And actual demand cannot be met intolerant to dielectric corrosion, intolerant to abrasion so as to cause practical cost height.
In view of this, it is necessory to provide a kind of ceramic rotary valve, it is capable of providing good water conservancy diversion, cut-off, adjusting etc.
Effect, and hardness is high, wear-resistant, corrosion-resistant, and service life is long.
Invention content
It is an object of the invention to：In view of the deficiencies of the prior art, a kind of ceramic rotary valve is provided, is capable of providing good
Water conservancy diversion well, cut-off, adjusting and other effects, and hardness is high, wear-resistant, corrosion-resistant, and service life is long.
In order to achieve the above object, the present invention adopts the following technical scheme that：
Ceramic rotary valve, including stainless steel component, be made of ceramic materials rotation valve pocket, the rotation that is made of ceramic materials
Rotary plate, the rotary spool are sheathed in the rotation valve pocket, and the head of the stainless steel component and the rotary spool is matched
It closes.
As a kind of improvement of ceramic rotary valve of the invention, the rotation valve pocket includes valve pocket main body and is set to the valve
The valve pocket head on the head of main body is covered, through-hole is provided in the valve pocket main body.
As a kind of improvement of rotary valve of the invention ceramic, the edge on the valve pocket head is formed with arc groove and straight
The inward flange of end, the valve pocket head is formed with step structure.
As a kind of improvement of rotary valve of the invention ceramic, be provided on the rotary spool circular cone through-hole, straight blind hole and
Inclined-plane circular groove, after rotating the rotary spool or the rotation valve pocket, the circular cone through-hole and the inclined-plane circular groove can be with institutes
Through-hole connection is stated, the straight blind hole and the inclined-plane circular groove communicate.
As a kind of improvement of ceramic rotary valve of the invention, the through-hole is set as two, the diameter of two through-holes
It is unequal, and the center of two through-holes is located on sustained height line, and between the center of two circular cone through-holes
Line by the rotary spool the plane positioned at the height central point.
As a kind of improvement of rotary valve of the invention ceramic, the circular cone through-hole from one end of the rotary spool penetrate through to
The other end of the rotary spool, and the diameter of the through-hole is gradually reduced, the ruler of the circle at the both ends of the circular cone through-hole
It is very little identical as the size of two through-holes respectively.
As a kind of improvement of ceramic rotary valve of the invention, the straight blind hole is opened in the bottom of the rotary spool, institute
The side for stating straight blind hole is equipped with opening, and the straight blind hole is connected to by the opening with the inclined-plane circular groove.
As a kind of improvement of ceramic rotary valve of the invention, the inclined-plane circular groove includes rake, opening portion, the first arc
The both ends of portion, the second curved portion, first side and second side, the both ends of first curved portion and second curved portion point
It is not connected with the second side by the first side, one end of the rake is connect with first curved portion, institute
The both sides for stating rake are connect with the first side and the second side respectively, the other end of the rake and described the
The opening portion is collectively formed between two curved portions, the inward flange of second curved portion is concordant with the side of straight blind hole.
As a kind of improvement of ceramic rotary valve of the invention, between the cooperation between the rotary spool and the rotation valve pocket
Gap is 0.005mm-0.01mm, and elongated blind hole is formed on the stainless steel component.
As a kind of improvement of ceramic rotary valve of the invention, the ceramic material is the zirconia material of stabilized with yttrium oxide,
Wherein mole accounting of yttrium oxide is 0.1%-5%, and the preparation method of the ceramic material is high temperature sintering, temperature 1400
DEG C -1560 DEG C, time 0.3h-2h.
Compared with the existing technology, the present invention at least has the following advantages that：
First, it is ceramics, chemical stabilization to rotate valve pocket and rotary spool these materials with the part of media contact
Property and extreme hardness, are only second to diamond.Therefore, the present invention has high wear-resistant, corrosion-resistant, erosive wear resistance, and right
Medium pollution is minimum, and the present invention is durable, and reliability is high, and service life is long, is 2-4 times of other materials rotary valve, and
And it can be used in having in the medium of corrosion.
Second, rotary spool surface quality is good, after rotary valve set assembly, using ceramic material from slip, can use
Obtain good sealing performance.
The circular cone through-hole of third, rotary spool has concentric reducer, and major part and valve are passed through during rotating rotary spool
The through-hole of set being relatively large in diameter, which is staggered, carries out first time throttling, and the through-hole that the diameter of microcephaly and valve pocket is smaller is staggered progress for the second time
Throttling so that throttling is apparent, and effect is more preferable.And the setting of circular cone through-hole makes concentric reducer difference in flow occur, in this case
Avoid the appearance of backflow phenomena.
Description of the drawings
Fig. 1 is one of the dimensional structure diagram of the present invention.
Fig. 2 is the two of the stereoscopic mechanism schematic diagram of the present invention.
Fig. 3 is the structural schematic diagram that valve pocket is rotated in the present invention.
Fig. 4 is one of the dimensional structure diagram of rotary spool and stainless steel component in the present invention.
Fig. 5 is two of the dimensional structure diagram of rotary spool and stainless steel component in the present invention.
Fig. 6 is three of the dimensional structure diagram of rotary spool and stainless steel component in the present invention.
Fig. 7 is the schematic cross-sectional view of rotary spool and stainless steel component in the present invention.
Specific implementation mode
The present invention and advantage are described in further detail below with reference to specific embodiment, still, this hair
Bright specific implementation mode is not limited to this.
As shown in Fig. 1 to 7, ceramics rotary valve provided by the invention, including stainless steel component 1, be made of ceramic materials
Rotation valve pocket 2, the rotary spool 3 that is made of ceramic materials, rotary spool 3 are sheathed in rotation valve pocket 2, stainless steel component 1 with
The head fits of rotary spool 3.The present invention is using ceramic material rotation valve pocket 2 and rotary spool 3, than common metal material
The hardness of material wants high, and corrosion resistance, wearability, service life are improved, and is polluted to material small.
Rotation valve pocket 2 includes valve pocket main body 21 and is set to the valve pocket head 22 on the head of valve pocket main body 21, valve pocket main body
Through-hole 23 is provided on 21, fluid can be flowed in and out from through-hole 23, and the installation and removal of rotary valve are convenient on valve pocket head 22.
The edge on valve pocket head 22 is formed with arc groove 221 and straight ended 222, is convenient for the peace installation and dismantling of rotary valve
It unloads, the inward flange on valve pocket head 22 is formed with step structure 223, convenient for the close connection with rotary spool 3.
It is provided with circular cone through-hole 31, straight blind hole 32 and inclined-plane circular groove 33 on rotary spool 3, rotates rotary spool 3 or rotation
After rotary valve housing 2, circular cone through-hole 31 and inclined-plane circular groove 33 can be connected to through-hole 23, and straight blind hole 32 and inclined-plane circular groove 33 communicate.Inclined-plane
The height of circular groove 33 and circular cone through-hole 31 is substantially flush.Rotary spool 3 is the hollow cylinder bodily form, and the top of rotary spool 3 is also set
It is equipped with annular groove 34, is assembled convenient for the sealing with rotation valve pocket 2.
Through-hole 23 is set as two, and the diameter of two through-holes 23 is unequal, and the center of two through-holes 23 is positioned at same
On altitude line, the line between the center of two through-holes 23 passes through the central point of the plane positioned at the height of rotary spool 3.
That is through-hole 23 is located on two endpoints of the same diameter of rotary spool 3, and after rotating rotary spool 3, the two through-holes 23
Center be placed exactly on the center line of circular cone through-hole 31.
Circular cone through-hole 31 is penetrated through from one end of rotary spool 3 to the other end of rotary spool 3, and circular cone through-hole 31 is straight
Diameter is gradually reduced, and the size of the circle at the both ends of circular cone through-hole 31 is identical as the size of two through-holes 23 respectively.
Straight blind hole 32 is opened in the bottom of rotary spool 3, and the side of straight blind hole 32 is equipped with opening 321, and straight blind hole 32 passes through
Opening 321 is connected to inclined-plane circular groove 33.Circular cone through-hole 31 is not communicated with straight blind hole 32 and inclined-plane circular groove 33.
Inclined-plane circular groove 33 includes rake 331, opening portion 332, the first curved portion 333, the second curved portion 334, the first side
The both ends of side 335 and second side 336, the both ends of the first curved portion 333 and the second curved portion 334 pass through first side respectively
335 and second side 336 connect, one end of rake 331 connect with the first curved portion 333, the both sides of rake 331 respectively with
First side 335 and second side 336 connect, and opening is collectively formed between the other end of rake 331 and the second curved portion 334
The inward flange in portion 332, the second curved portion 334 is concordant with the side of straight blind hole 32.First side 335 and second side 336 are in
Right-angled trapezium, the first curved portion 333 and the second curved portion 334 are semi arch.
The present invention uses the circular cone through-hole 31 and inclined-plane circular groove 33 of optimization design, has good water conservancy diversion, cut-off, tune
It saves, prevent the functions such as adverse current, throttling, shunting or overflow release.When in use, rotary spool 3 is rotated, when on rotary spool 3
It can be with media flow in control device when two through-holes 23 are interconnected on circular cone through-hole 31 or inclined-plane circular groove 33 and rotation valve pocket 2
Or stop, and its uninterrupted can be controlled.The circular cone through-hole 31 and inclined-plane circular groove 33 of the present invention can make rotary valve flow occur
Difference can more preferably control the pressure and flow of medium in equipment in this way, to make rotary valve have good cut-off, adjust, anti-
The functions such as non-return stream.
Fit clearance between rotary spool 3 and rotation valve pocket 2 is 0.005mm-0.01mm, to rotate rotation
Rotary plate 3, and can ensure tightness, it is formed with elongated blind hole 11 on stainless steel component 1, is convenient for the peace of stainless steel component 1
Assembly and disassembly.
Ceramic material is the zirconia material of stabilized with yttrium oxide, and wherein mole accounting of yttrium oxide is 0.1%-5%, ceramics
The preparation method of material is high temperature sintering, and temperature is 1400 DEG C -1560 DEG C, time 0.3h-2h.Zirconium oxide have high rigidity,
High abrasion, good high high-temp stability and thermal shock resistance, and zirconium oxide is not soluble in water, sulfuric acid, hydrochloric acid and nitric acid.
Pure zirconium oxide is easy to cause product fragmentation to lose practical value, passes through the crystalline substance in zirconium oxide since t-m phase transformations can occur
Mg is introduced in body structure2+Replace Zr4+To form solid solution, tetragonal phase zirconium oxide is allow to retain at room temperature without sending out again
Raw phase transformation, carrys out stabilized zirconia ceramic material with this.Single tetragonal phase can be obtained by the method for high temperature sintering and crystal grain is thin
Change, uniform microstructure, function admirable stabilized with yttrium oxide zirconia ceramics material.
In short, the present invention at least has the following advantages that：
First, it is ceramics to rotate valve pocket 2 and rotary spool 3 these materials with the part of media contact, and chemistry is steady
Qualitative and extreme hardness, is only second to diamond.Therefore, the present invention has high wear-resistant, corrosion-resistant, erosive wear resistance, and
Minimum to medium pollution, the present invention is durable, and reliability is high, and service life is long, is 2-4 times of other materials rotary valve,
And it can be used in having in the medium of corrosion.
Second, 3 surface quality of rotary spool is good,, can using ceramic material from slip after being assembled with rotation valve pocket 2
Obtain good sealing performance.
The circular cone through-hole 31 of third, rotary spool 3 has concentric reducer (one end diameter is big, one end diameter is small), is revolved in rotation
It is staggered with the through-hole 23 being relatively large in diameter for rotating valve pocket 2 by major part during rotary plate 3 and carries out first time throttling, little Tou Yu
The smaller through-hole 23 of the diameter progress that is staggered for rotating valve pocket 2 throttles for second so that throttling is apparent, and effect is more preferable.And circular cone
The setting of through-hole 31 makes concentric reducer difference in flow occur, in this case avoids the appearance of backflow phenomena.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out change and modification appropriate.Therefore, the invention is not limited in specific implementation modes disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In used some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (5)
1. ceramic rotary valve, it is characterised in that：Including stainless steel component, the rotation valve pocket being made of ceramic materials, by ceramic material
Rotary spool made of material, the rotary spool are sheathed in the rotation valve pocket, the stainless steel component and the rotary valve
The head fits of core；The rotation valve pocket includes valve pocket main body and is set to the valve pocket head on the head of the valve pocket main body, institute
It states and is provided with through-hole in valve pocket main body；Circular cone through-hole, straight blind hole and inclined-plane circular groove are provided on the rotary spool, it is described straight blind
Hole is opened in the bottom of the rotary spool, and the side of the straight blind hole is equipped with opening, the straight blind hole by the opening with
The inclined-plane circular groove connection；After rotating the rotary spool or the rotation valve pocket, the circular cone through-hole and inclined-plane circle
Slot can be connected to the through-hole；The through-hole is set as two, and the diameter of two through-holes is unequal, and two described logical
The center in hole is located on sustained height line, and the line between the center of two through-holes should by being located at for the rotary spool
The central point of the plane of height；The circular cone through-hole penetrates through another to the rotary spool from one end of the rotary spool
End, and the diameter of the circular cone through-hole is gradually reduced, the size of the circle at the both ends of the circular cone through-hole respectively with two institutes
The size for stating through-hole is identical.
2. ceramics rotary valve according to claim 1, it is characterised in that：It is recessed that the edge on the valve pocket head is formed with arc
The inward flange of slot and straight ended, the valve pocket head is formed with step structure.
3. ceramics rotary valve according to claim 2, it is characterised in that：The inclined-plane circular groove include rake, opening portion,
First curved portion, the second curved portion, first side and second side, the both ends of first curved portion and second curved portion
Both ends connected respectively with the second side by the first side, one end of the rake and first curved portion
Connection, the both sides of the rake are connect with the first side and the second side respectively, the other end of the rake
The opening portion, the side of the inward flange of second curved portion and the straight blind hole are collectively formed between second curved portion
Side is concordant.
4. ceramics rotary valve according to claim 1, it is characterised in that：Between the rotary spool and the rotation valve pocket
Fit clearance be 0.005mm-0.01mm, be formed with elongated blind hole on the stainless steel component.
5. ceramics rotary valve according to claim 1, it is characterised in that：The ceramic material is the oxidation of stabilized with yttrium oxide
Zirconia material, wherein mole accounting of yttrium oxide are 0.1%-5%, and the preparation method of the ceramic material is high temperature sintering, temperature
It is 1400 DEG C -1560 DEG C, time 0.3h-2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323230.0A CN105952925B (en) | 2016-05-13 | 2016-05-13 | Ceramic rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323230.0A CN105952925B (en) | 2016-05-13 | 2016-05-13 | Ceramic rotary valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105952925A CN105952925A (en) | 2016-09-21 |
| CN105952925B true CN105952925B (en) | 2018-09-11 |
Family
ID=56911854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610323230.0A Active CN105952925B (en) | 2016-05-13 | 2016-05-13 | Ceramic rotary valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105952925B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0146480A1 (en) * | 1983-11-10 | 1985-06-26 | Etablissements MINGORI | Valve head |
| CN2418316Y (en) * | 2000-04-13 | 2001-02-07 | 申保久 | Column-shaped ceramic valve |
| CN1936393A (en) * | 2006-10-14 | 2007-03-28 | 青岛大学 | Ceramic-pipe type rotary plug valve and mfg. process |
| CN2903602Y (en) * | 2006-04-13 | 2007-05-23 | 陈春生 | Cock |
| CN201875174U (en) * | 2010-12-11 | 2011-06-22 | 广东粤东机械实业有限公司 | Novel two-way valve |
| CN201934713U (en) * | 2011-02-25 | 2011-08-17 | 李承恩 | Valve pocket and valve core component structure of directional control valve |
| TWM424425U (en) * | 2011-08-29 | 2012-03-11 | Kuching Int Ltd | Segmentation positioning structure of ceramic shunt valve |
| CN203516810U (en) * | 2013-09-10 | 2014-04-02 | 邹广友 | Ceramic plug valve |
-
2016
- 2016-05-13 CN CN201610323230.0A patent/CN105952925B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0146480A1 (en) * | 1983-11-10 | 1985-06-26 | Etablissements MINGORI | Valve head |
| CN2418316Y (en) * | 2000-04-13 | 2001-02-07 | 申保久 | Column-shaped ceramic valve |
| CN2903602Y (en) * | 2006-04-13 | 2007-05-23 | 陈春生 | Cock |
| CN1936393A (en) * | 2006-10-14 | 2007-03-28 | 青岛大学 | Ceramic-pipe type rotary plug valve and mfg. process |
| CN201875174U (en) * | 2010-12-11 | 2011-06-22 | 广东粤东机械实业有限公司 | Novel two-way valve |
| CN201934713U (en) * | 2011-02-25 | 2011-08-17 | 李承恩 | Valve pocket and valve core component structure of directional control valve |
| TWM424425U (en) * | 2011-08-29 | 2012-03-11 | Kuching Int Ltd | Segmentation positioning structure of ceramic shunt valve |
| CN203516810U (en) * | 2013-09-10 | 2014-04-02 | 邹广友 | Ceramic plug valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105952925A (en) | 2016-09-21 |
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