CN107327581A - A kind of nuclear power bellows instrument valve - Google Patents
A kind of nuclear power bellows instrument valve Download PDFInfo
- Publication number
- CN107327581A CN107327581A CN201710609738.1A CN201710609738A CN107327581A CN 107327581 A CN107327581 A CN 107327581A CN 201710609738 A CN201710609738 A CN 201710609738A CN 107327581 A CN107327581 A CN 107327581A
- Authority
- CN
- China
- Prior art keywords
- filter
- valve rod
- valve
- baffle plate
- bonnet
- 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.)
- Withdrawn
Links
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 239000010865 sewage Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 11
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 210000003660 reticulum Anatomy 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- 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 seat
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- 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
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
Abstract
The invention provides a kind of nuclear power bellows instrument valve, the present invention includes valve body, bonnet, valve element, valve rod, drive device, bellows, feed liquor baffle plate, go out liquid baffle plate, sewage draining exit, by entering liquid zone, going out liquid zone to be respectively provided with filter, filtration is served to medium, impurity is slipped to sewage draining exit along the arc-shaped concave of body base, is discharged by sewage draining exit；By the setting of four layers of filter structure, the first filter is used arc plate structure, is increased filter area using castellated plates and connecting plate alternating structure, the second filter, extends filtration time, it is ensured that the validity and elimination efficiency of filtering；First valve rod is connected with the second valve rod by rolling bearing, and guide is set on the second valve rod, is limited the rotation of the second valve rod, is protected bellows, so as to ensure that volume sealing at bellows, extends the service life of valve.
Description
Technical field
The present invention relates to a kind of valve, and in particular to a kind of nuclear power bellows instrument valve.
Background technology
Since utilizing nuclear energy power generation first from U.S.'s experimental breeder heap in December nineteen fifty-one 1, world nuclear has six so far
The developing history of more than ten years.China is qualified nuclear power, has in fortune, is building and proposed nuclear power generating sets 52 at present
Platform, is building unit scale the first in the world, total installed capacity scale occupies the world the 4th.Nuclear power valve is the water having a large capacity and a wide range in nuclear power station
Equipment is pressed, it connects more than 300 systems of whole nuclear power station, is the crucial annex of nuclear plant safety operation.United according to related data
Meter, the existing seat of nuclear power generating sets more than 500 in the whole world, total installation of generating capacity up to 400,000,000 more than KW, the main pressure water heap of its type of reactor,
Boiling-water reactor, graphite stack, fast neutron reactor, high temperature gas-cooled, PHWR.Wherein, presurized water reactor accounts for more than the 50% of whole heap-type.Nuclear power valve
Door, though it is annex in nuclear power plant equipment, it is most important.Nuclear power valve than conventional large-scale thermal power station with valve its
Technical characterstic and requirement are high, and stop valve is used primarily on auxiliary line, and how using corrugated tube sealing structure, bellows can only
Bear axial load, it is impossible to bear circumferential load, this requires that the valve rod of bellows stop valve can not during up and down motion
Rotation is produced, to ensure the sealing property of bellows；Other bellows stop valve needed in liquid mediums such as transfer oils
Filter, the circulation of whole pipeline internal medium can be influenceed by just occurring after filtering after impurity, impurities accumulation, and in the prior art, valve rod
Anti-rotation is realized using the limited block of external, complicated, and anti-rotation effect is not good after long-term use, it is difficult to ensure that valve rod
Do not rotate, so as to cannot guarantee that the sealing property at bellows, influence the service life of valve.
The content of the invention
In order to solve problems of the prior art, the invention provides a kind of nuclear power bellows instrument valve, have
The characteristics of simple in construction, good seal performance, contaminant filter easy-clear.
Technical proposal that the invention solves the above-mentioned problems is：A kind of nuclear power bellows instrument valve, including valve body, bonnet,
Valve element, valve rod, drive device, bellows, feed liquor baffle plate, go out liquid baffle plate, sewage draining exit, and valve rod includes the first valve rod, the second valve rod,
First valve rod is cylinder, and one end end face of the first valve rod is provided with circular groove, and circular groove is located at the first valve rod end face
Center；Second valve rod is cylinder, and second valve rod one end end face is provided with round boss, and round boss is located at the second valve rod
The center of end face, the second valve rod shaft is provided with multiple guides, and guide surrounds the second valve rod annular array, and guide exists
Being projected as horizontal plane is "T"-shaped；The one end of first valve rod provided with circular groove leads to the one end of the second valve rod provided with round boss
Cross rolling bearing to be connected, the first valve rod is located at the top of the second valve rod；
Bonnet is provided with "T"-shaped groove in the corresponding part of trip segment that the second valve rod moves up and down；
Body base is provided with sewage draining exit, and valve body two ends, which are respectively equipped with inlet, liquid outlet, valve body, to be provided with into liquid zone, goes out
Liquid zone, enters liquid zone provided with feed liquor baffle plate, and the first filter, the second filter are sequentially provided with along feed liquor direction on feed liquor baffle plate,
First filter, the second filter are located at the lower section of feed liquor baffle plate；Go out liquid zone and be provided with out liquid baffle plate, go out on liquid baffle plate along going out liquid
Direction is sequentially provided with the first filter, the second filter, and the first filter, the second filter are located at the lower section of feed liquor baffle plate, edge
Liquid flow direction and be sequentially provided with the first filter, the second filter, the first filter, the second filter are located at liquid baffle plate
Top；
First filter horizontal plane the circle that is projected as, the first filter include castellated plates, connecting plate, multiple tooth forms
Plate, connecting plate are alternately distributed, provided with a connecting plate in the middle of two neighboring castellated plates；Multiple first filterings are equipped with connecting plate
Hole, the first filter bores are uniformly distributed in connecting plate, castellated plates in multiple lines and multiple rows matrix structure；First filter bores include arc
Hole, circular hole, six arcuate sockets are circumferentially uniformly distributed around circular hole, and the angle between two neighboring arcuate socket is 60 °；Castellated plates
It is provided with distance between multiple row " I " shape filter bores, adjacent two row " I " shape filter bores equal, " I " shape filtering two neighboring in each column
The distance between hole is equal；
Second filter horizontal plane the circle that is projected as, the second filter include multiple arcs plate, the section of arc
Circular arc is shaped as, each arc is provided with multiple second filter bores, and the second filter bores are uniformly distributed in many in arc plate
Row multiple row matrix structure；Second filter bores include diamond hole, hexagonal hole, circumferential uniform point around diamond hole of four hexagonal holes
Angle between cloth, two neighboring hexagonal hole is 90 °；
Bonnet is located above valve body, and bonnet is connected with top end of the valve body, and drive device is fixed on bonnet top；Valve rod is located at valve
In vivo, valve rod central shaft and valve body center overlapping of axles, valve rod shaft are set with bellows；First valve rod is not provided with circular groove
Bonnet is stretched out in one end, and the end is connected with drive device, and one end that the second valve rod is not provided with round boss is connected with valve element, the second valve
Guide on bar is engaged with "T"-shaped groove；Sealing-plug is provided with the sewage draining exit of body base, is set between sealing-plug and sewage draining exit
There is sealing ring.
The sealing ring is O-ring seal, and material is soft graphite.
The valve element is stainless steel material.
Welded between the valve element and bonnet for built-up welding.
The present invention has beneficial effect：The present invention is simple in construction, reasonable in design, by entering liquid zone, going out liquid zone to be respectively provided with
Filter, filtration is served to medium, and impurity is slipped to sewage draining exit along the arc-shaped concave of body base, arranged by sewage draining exit
Go out；By the setting of four layers of filter structure, the first filter is adopted using castellated plates and connecting plate alternating structure, the second filter
With arc plate structure, filter area is increased, filtration time is extended, it is ensured that the validity and elimination efficiency of filtering；First
Valve rod is connected with the second valve rod by rolling bearing, and guide is set on the second valve rod, limits the rotation of the second valve rod, is protected
Bellows has been protected, so as to ensure that volume sealing at bellows, the service life of valve has been extended.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the sectional view in Fig. 1 along A-A directions.
Fig. 3 is the first filter front view of the invention.
Fig. 4 is the first filter top view of the invention.
Fig. 5 is the second filter top view of the invention.
Fig. 6 is stereogram when the second filter of the invention is not provided with the second filter bores.
Fig. 7 is the first stem structure schematic diagram of the invention.
Fig. 8 is the second stem structure schematic diagram of the invention.
In figure：1- valve bodies, 2- bonnets, 3- valve elements, 4- valve rods, the valve rods of 5- first, the valve rods of 6- second, 7- drive devices, 8-
Bellows, 9- feed liquor baffle plates, 10- goes out liquid baffle plate, and 11- enters liquid zone, and 12- goes out liquid zone, and the filters of 13- first, 14- second is filtered
Plate, 15- sewage draining exits, 16- sealing-plugs, 17- circular grooves, 18- round boss, 19- guides, 20- inlets, 21- liquid outlets,
22- castellated plates, 23- connecting plates, the filter bores of 24- first, 25- arcuate sockets, 26- circular holes, 27- " I " shapes hole, 28- arcs, 29-
Second filter bores, 30- diamond holes, 31- hexagonal holes.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is further illustrated.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
A kind of nuclear power bellows instrument valve, including valve body, bonnet, valve element, valve rod, drive device, bellows, feed liquor gear
Plate, go out liquid baffle plate, sewage draining exit, valve rod includes the first valve rod, the second valve rod, and the first valve rod is cylinder, one end of the first valve rod
End face is provided with circular groove, and circular groove is located at the center of the first valve rod end face；Second valve rod is cylinder, the second valve
Bar one end end face is provided with round boss, and round boss is located at the center of the second valve rod end face, and the second valve rod shaft is provided with
Multiple guides, guide surround the second valve rod annular array, guide horizontal plane be projected as it is "T"-shaped；First valve rod is set
The one end for having circular groove is connected with the one end of the second valve rod provided with round boss by rolling bearing, and the first valve rod is located at second
The top of valve rod；
Bonnet is provided with "T"-shaped groove in the corresponding part of trip segment that the second valve rod moves up and down；
Body base is provided with sewage draining exit, and valve body two ends, which are respectively equipped with inlet, liquid outlet, valve body, to be provided with into liquid zone, goes out
Liquid zone, enters liquid zone provided with feed liquor baffle plate, and the first filter, the second filter are sequentially provided with along feed liquor direction on feed liquor baffle plate,
First filter, the second filter are located at the lower section of feed liquor baffle plate；Go out liquid zone and be provided with out liquid baffle plate, go out on liquid baffle plate along going out liquid
Direction is sequentially provided with the first filter, the second filter, and the first filter, the second filter are located at the lower section of feed liquor baffle plate, edge
Liquid flow direction and be sequentially provided with the first filter, the second filter, the first filter, the second filter are located at liquid baffle plate
Top；
First filter horizontal plane the circle that is projected as, the first filter include castellated plates, connecting plate, multiple tooth forms
Plate, connecting plate are alternately distributed, provided with a connecting plate in the middle of two neighboring castellated plates；Multiple first filterings are equipped with connecting plate
Hole, the first filter bores are uniformly distributed in connecting plate, castellated plates in multiple lines and multiple rows matrix structure；First filter bores include arc
Hole, circular hole, six arcuate sockets are circumferentially uniformly distributed around circular hole, and the angle between two neighboring arcuate socket is 60 °；Castellated plates
It is provided with distance between multiple row " I " shape filter bores, adjacent two row " I " shape filter bores equal, " I " shape filtering two neighboring in each column
The distance between hole is equal；
Second filter horizontal plane the circle that is projected as, the second filter include multiple arcs plate, the section of arc
Circular arc is shaped as, each arc is provided with multiple second filter bores, and the second filter bores are uniformly distributed in many in arc plate
Row multiple row matrix structure；Second filter bores include diamond hole, hexagonal hole, circumferential uniform point around diamond hole of four hexagonal holes
Angle between cloth, two neighboring hexagonal hole is 90 °；
Bonnet is located above valve body, and bonnet is connected with top end of the valve body, and drive device is fixed on bonnet top；Valve rod is located at valve
In vivo, valve rod central shaft and valve body center overlapping of axles, valve rod shaft are set with bellows；First valve rod is not provided with circular groove
Bonnet is stretched out in one end, and the end is connected with drive device, and one end that the second valve rod is not provided with round boss is connected with valve element, the second valve
Guide on bar is engaged with "T"-shaped groove；Sealing-plug is provided with the sewage draining exit of body base, is set between sealing-plug and sewage draining exit
There is sealing ring.
The sealing ring is O-ring seal, and material is soft graphite.
The valve element is stainless steel material.
Welded between the valve element and bonnet for built-up welding.
Drive device band ovable valve stem moves up and down, and is connected between the first valve rod and the second valve rod by rolling bearing, and second
Guide on valve rod is engaged with "T"-shaped groove, it is ensured that when the second valve rod only moves up and down, do not rotated；In valve body
Enter liquid zone, go out the first filter set in liquid zone, the second filter medium is fully filtered, the impurity filtered out is along valve body
The arc-shaped concave of bottom is slipped to sewage draining exit, is discharged by sewage draining exit.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (4)
1. a kind of a kind of nuclear power bellows instrument valve, it is characterised in that nuclear power bellows instrument valve, including valve body, bonnet,
Valve element, valve rod, drive device, bellows, feed liquor baffle plate, go out liquid baffle plate, sewage draining exit, and valve rod includes the first valve rod, the second valve rod,
First valve rod is cylinder, and one end end face of the first valve rod is provided with circular groove, and circular groove is located at the first valve rod end face
Center；Second valve rod is cylinder, and second valve rod one end end face is provided with round boss, and round boss is located at the second valve rod
The center of end face, the second valve rod shaft is provided with multiple guides, and guide surrounds the second valve rod annular array, and guide exists
Being projected as horizontal plane is "T"-shaped；The one end of first valve rod provided with circular groove leads to the one end of the second valve rod provided with round boss
Cross rolling bearing to be connected, the first valve rod is located at the top of the second valve rod；
Bonnet is provided with "T"-shaped groove in the corresponding part of trip segment that the second valve rod moves up and down；
Body base is provided with sewage draining exit, and valve body two ends, which are respectively equipped with inlet, liquid outlet, valve body, to be provided with into liquid zone, goes out liquid zone,
Enter liquid zone provided with feed liquor baffle plate, the first filter, the second filter, the first mistake are sequentially provided with along feed liquor direction on feed liquor baffle plate
Filter plate, the second filter are located at the lower section of feed liquor baffle plate；Go out liquid zone and be provided with out liquid baffle plate, go out on liquid baffle plate along go out liquid direction according to
Secondary to be provided with the first filter, the second filter, the first filter, the second filter are located at the lower section of feed liquor baffle plate, along liquid
Flow direction is sequentially provided with the first filter, the second filter, and the first filter, the second filter are located at the upper of liquid baffle plate
Side；
First filter horizontal plane the circle that is projected as, the first filter include castellated plates, connecting plate, multiple castellated plates, company
Fishplate bar is alternately distributed, provided with a connecting plate in the middle of two neighboring castellated plates；Multiple first filter bores are equipped with connecting plate, the
One filter bores are uniformly distributed in connecting plate, castellated plates in multiple lines and multiple rows matrix structure；First filter bores include arcuate socket, circle
Hole, six arcuate sockets are circumferentially uniformly distributed around circular hole, and the angle between two neighboring arcuate socket is 60 °；Set in castellated plates
Have multiple row " I " shape filter bores, distance is equal between adjacent two row " I " shape filter bores, " I " shape filter bores two neighboring in each column it
Between distance it is equal；
Second filter horizontal plane the circle that is projected as, the second filter include multiple arcs plate, the cross sectional shape of arc
For circular arc, each arc is provided with multiple second filter bores, and the second filter bores are uniformly distributed many in multirow in arc plate
Column matrix structure；Second filter bores include diamond hole, hexagonal hole, and four hexagonal holes are circumferentially uniformly distributed around diamond hole,
Angle between two neighboring hexagonal hole is 90 °；
Bonnet is located above valve body, and bonnet is connected with top end of the valve body, and drive device is fixed on bonnet top；Valve rod is located at valve body
Interior, valve rod central shaft and valve body center overlapping of axles, valve rod shaft are set with bellows；First valve rod is not provided with the one of circular groove
Bonnet is stretched out at end, and the end is connected with drive device, and one end that the second valve rod is not provided with round boss is connected with valve element, the second valve rod
On guide be engaged with "T"-shaped groove；Sealing-plug is provided with the sewage draining exit of body base, is provided between sealing-plug and sewage draining exit
Sealing ring.
2. a kind of nuclear power bellows instrument valve as claimed in claim 1, it is characterised in that the sealing ring is O-shaped sealing
Circle, material is soft graphite.
3. a kind of nuclear power bellows instrument valve as claimed in claim 1, it is characterised in that the valve element is stainless steel
Material.
4. a kind of nuclear power bellows instrument valve as claimed in claim 1, it is characterised in that be between the valve element and bonnet
Built-up welding is welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710609738.1A CN107327581A (en) | 2017-07-25 | 2017-07-25 | A kind of nuclear power bellows instrument valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710609738.1A CN107327581A (en) | 2017-07-25 | 2017-07-25 | A kind of nuclear power bellows instrument valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107327581A true CN107327581A (en) | 2017-11-07 |
Family
ID=60200735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710609738.1A Withdrawn CN107327581A (en) | 2017-07-25 | 2017-07-25 | A kind of nuclear power bellows instrument valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107327581A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506503A (en) * | 2018-04-08 | 2018-09-07 | 江苏圣泰阀门有限公司 | Core shut-off valve |
| CN111438743A (en) * | 2020-03-25 | 2020-07-24 | 南京工业职业技术学院 | Multipurpose array valve cushion cap cutting machine |
| CN112919683A (en) * | 2021-02-07 | 2021-06-08 | 汪波 | Advanced biochemical treatment system for papermaking sewage |
| CN113309858A (en) * | 2021-06-04 | 2021-08-27 | 浙江万龙机械有限公司 | Valve rod high-frequency opening and closing anti-shaking valve for ammonia |
-
2017
- 2017-07-25 CN CN201710609738.1A patent/CN107327581A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506503A (en) * | 2018-04-08 | 2018-09-07 | 江苏圣泰阀门有限公司 | Core shut-off valve |
| CN108506503B (en) * | 2018-04-08 | 2019-02-22 | 江苏圣泰阀门有限公司 | Core shut-off valve |
| CN111438743A (en) * | 2020-03-25 | 2020-07-24 | 南京工业职业技术学院 | Multipurpose array valve cushion cap cutting machine |
| CN112919683A (en) * | 2021-02-07 | 2021-06-08 | 汪波 | Advanced biochemical treatment system for papermaking sewage |
| CN113309858A (en) * | 2021-06-04 | 2021-08-27 | 浙江万龙机械有限公司 | Valve rod high-frequency opening and closing anti-shaking valve for ammonia |
| CN113309858B (en) * | 2021-06-04 | 2023-06-23 | 浙江万龙机械有限公司 | Valve rod high-frequency opening and closing anti-shake valve for ammonia |
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Application publication date: 20171107 |