CN205918926U - Special inside lining polyurethane knife gate of anti acid and alkaline corrosion - Google Patents
Special inside lining polyurethane knife gate of anti acid and alkaline corrosion Download PDFInfo
- Publication number
- CN205918926U CN205918926U CN201620904199.5U CN201620904199U CN205918926U CN 205918926 U CN205918926 U CN 205918926U CN 201620904199 U CN201620904199 U CN 201620904199U CN 205918926 U CN205918926 U CN 205918926U
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- China
- Prior art keywords
- polyurethane
- knife gate
- valve body
- flashboard
- disconnecting link
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Abstract
The utility model discloses a special inside lining polyurethane knife gate of anti acid and alkaline corrosion, including the knife gate body, the top fixed mounting of the knife gate body has the layering to the downside fixed mounting of layering has the filler that is located the internal portion both sides of knife gate, there is the polyurethane flashboard inside of the knife gate body through bolt fixed mounting, has shaping piece no. 1 and shaping piece no. 2 through pretension screw fixed mounting respectively at the both ends of polyurethane flashboard. The utility model discloses a setting up polyurethane flashboard and polyurethane backing member, having satisfied acid and alkali corrosion resistance's performance, can select suitable material on the gate valve body simultaneously requires to reduce, if the tradition adopts the stainless steel, then can adopt the carbon steel or through the aluminum alloy behind the thermal treatment etc. Also can practice thrift or reduce cost on selecting suitable material, the lining is done with the sealed two kinds of different materials of soft or hard that adopt to its flashboard, and it is sealed more accurate and inseparable to can prolong the life of product.
Description
Technical field
This utility model is related to fluid control devices technical field, the special liner polyurethane of specially a kind of antiacid caustic corrosion
Knife gate valve.
Background technology
Progressively increase to offshore production with oil, and related chemical industry such as Coal Chemical Industry etc. steps up, to acid and alkali-resistance corruption
Corrosion feed-line demand is also just increasingly incremental, and seawater corrosion, chemical industry acid and alkali corrosion corrode non-to assemblies such as valves on its pipeline
Chang Yanchong, the valve of development energy strong acid-base resistance corrosion is also a kind of important topic of current valve development.It is typically now from choosing
Material such as nickel-base alloy adopts, the employing of monel, also includes serving as a contrast the mode aspects such as porcelain, rubber, above all have its advantage simultaneously
Also have its drawback, using associated alloys material, high cost, and material properties corrosion resistance is more single, if any material antiacid
Material that is rotten, having can only alkali resistant corrode, very exquisite in type selecting for this, and valve with ceramic lining is frangible, and service life is long etc., mesh
The knife gate valve wanted a kind of antiacid alkali and corrode is badly in need of on front market.
Utility model content
The purpose of this utility model is to provide a kind of antiacid caustic corrosion special liner polyurethane knife gate valve, possesses operation just
Victory, saves time, the advantage reducing Product processing assembly cost simultaneously and meeting the performance of acid-alkali-corrosive-resisting, solves material
The material problem that attribute corrosion resistance is more single and service life is not grown.
For achieving the above object, this utility model provides following technical scheme: a kind of poly- ammonia of the special liner of antiacid caustic corrosion
Ester knife gate valve, including disconnecting link valve body, the top of described disconnecting link valve body is installed with press strip, and the downside fixed installation of press strip
There is the filler positioned at disconnecting link valve inner both sides, the inside of described disconnecting link valve body is bolted and is provided with polyurethane flashboard,
Respectively shaped element one and shaped element two, shaped element one and disconnecting link are installed with by pretension screw at the two ends of polyurethane flashboard
The junction of valve body is provided with polyurethane backing member, and two in disconnecting link valve body with the junction of shaped element two and disconnecting link valve body
Side is all installed with gate panel body, opens up hole, and be coated with tetrafluoro in the outside of gate panel body on gate panel body
Ethylene clad.
Preferably, described hole is provided with least nine, and offers four holes the top of gate panel body is equidistant
Hole.
Preferably, the diameter of described press strip is identical with the diameter of disconnecting link valve body.
Preferably, the quantity of described pretension screw is seven, and pretension screw equidistantly distributes outside disconnecting link valve body
Edge.
Preferably, described polyurethane flashboard is circle, and the junction of the bottom of polyurethane flashboard and polyurethane backing member
It is set to corrugated surface.
Compared with prior art, the beneficial effects of the utility model are as follows:
1st, this utility model passes through to arrange polyurethane flashboard and polyurethane backing member, meets the performance of acid-alkali-corrosive-resisting, with
When can be reduced choice requirement on gate valve body, such as conventionally employed rustless steel, then using carbon steel or heat treatment can be passed through
Aluminium alloy afterwards etc., also can save or reduces cost in selection, and its flashboard is served as a contrast using two kinds of unlike materials of soft or hard with sealing,
Its sealing is more accurate and tight, such that it is able to extend the service life of product.
2nd, the tetrafluoroethene clad adopting in this utility model, it lubricates than polyurethane and hardness is high, acid and alkali-resistance simultaneously
Corrosion, improves the performance of acid-alkali-corrosive-resisting, cost is relatively low simultaneously, material properties corrosion resistance is more various.
Brief description
Fig. 1 is this utility model knife gate valve side-looking cutting structural representation；
Fig. 2 is this utility model knife gate valve positive structure schematic；
Fig. 3 overlooks cutting structural representation for this utility model knife gate valve；
Fig. 4 is this utility model gate panel body structural representation.
In figure: 1 disconnecting link valve body, 2 press strips, 3 fillers, 4 pretension screws, 5 polyurethane flashboards, 6 shaped element one, 7 shaped element two,
8 polyurethane backing members, 9 gate panel body, 10 holes, 11 tetrafluoroethene clads.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is entered
Row clearly and completely describes it is clear that described embodiment is only a part of embodiment of this utility model, rather than all
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-4, a kind of special liner polyurethane knife gate valve of antiacid caustic corrosion, including disconnecting link valve body 1, disconnecting link valve body
1 top is installed with press strip 2, and press strip 2 plays the effect of pressure-bearing and sealing, and press strip 2 is made using rubber, press strip 2
Diameter identical with the diameter of disconnecting link valve body 1, make sealing tighter, and the downside of press strip 2 be installed with positioned at disconnecting link
The filler 3 of the internal both sides of valve body 1, filler 3 adopts waterproof material, such as flexible plastic grain or rubber granule to form, plays bumper and absorbing shock
Deng effect, the inside of disconnecting link valve body 1 is bolted and is provided with polyurethane flashboard 5, the best guarantor of polyurethane material performance
Adiabator, preferably, polyurethane flashboard 5 is circle to be coated in effect on flashboard, and the bottom of polyurethane flashboard 5 and polyurethane backing member
8 junction is set to corrugated surface so as to be fixed well, and prevents the normal use of sliding phenomenon impact, in polyurethane lock
The two ends of plate 5 are installed with shaped element 1 and shaped element 27 by pretension screw 4 respectively, and the quantity of pretension screw 4 is seven
Individual, and pretension screw 4 equidistantly distributes in the outer of disconnecting link valve body 1, plays the effect of fastening, shaped element 1 and knife gate valve
The junction of body 1 is provided with polyurethane backing member 8 with the junction of shaped element 27 and disconnecting link valve body 1, has good insulation effect
Really, by arranging polyurethane flashboard 5 and polyurethane backing member 8, meet the performance of acid-alkali-corrosive-resisting, simultaneously can be in gate valve body
On 9, choice requirement is reduced, such as conventionally employed rustless steel, then can adopt carbon steel or the aluminium alloy after heat treatment etc.,
Also can save or reduces cost in selection, its flashboard is served as a contrast using two kinds of unlike materials of soft or hard with sealing, and its sealing is more accurate
With tight, such that it is able to extend the service life of product；And all it is installed with gate panel body 9 in the both sides of disconnecting link valve body 1,
Hole 10 is opened up on gate panel body 9, hole 10 is provided with least nine, and equidistantly leaves on the top of gate panel body 9
It is provided with four holes 10, the joint face that can increase tetrafluoroethene clad 11 with gate panel body 9 connects, and in gate panel body 9
Outside is coated with tetrafluoroethene clad 11, the tetrafluoroethene clad 11 of employing, and it lubricates than polyurethane and hardness is high, simultaneously
Acid-alkali-corrosive-resisting, improves the performance of acid-alkali-corrosive-resisting, cost is relatively low simultaneously, and material properties corrosion resistance is more various.
In sum: the special liner polyurethane knife gate valve of this antiacid caustic corrosion, by arranging polyurethane flashboard 5 and polyurethane
Backing member 8, meets the performance of acid-alkali-corrosive-resisting, can be reduced choice requirement on gate valve body 9 simultaneously, such as conventionally employed
Rustless steel, then can adopt carbon steel or the aluminium alloy after heat treatment etc., also can save or reduces cost, its flashboard in selection
Served as a contrast using two kinds of unlike materials of soft or hard with sealing, its sealing is more accurate and tight, such that it is able to extend the use longevity of product
Life；Using tetrafluoroethene clad 11, its than polyurethane lubricate and hardness is high, acid-alkali-corrosive-resisting simultaneously, improve acid and alkali-resistance
The performance of corrosion, cost is relatively low simultaneously, and material properties corrosion resistance is more various, solves material properties corrosion resistance more single
One and the problem do not grown of service life.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. the special liner polyurethane knife gate valve of a kind of antiacid caustic corrosion, including disconnecting link valve body (1) it is characterised in that: described disconnecting link
The top of valve body (1) is installed with press strip (2), and the downside of press strip (2) is installed with positioned at disconnecting link valve body (1) inside
The filler (3) of both sides, the inside of described disconnecting link valve body (1) is bolted and is provided with polyurethane flashboard (5), in polyurethane lock
The two ends of plate (5) are installed with shaped element one (6) and shaped element two (7), shaped element one (6) by pretension screw (4) respectively
It is provided with polyurethane backing member (8) with the junction of disconnecting link valve body (1) with the junction of shaped element two (7) and disconnecting link valve body (1),
And all it is installed with gate panel body (9) in the both sides of disconnecting link valve body (1), hole (10) is opened up on gate panel body (9),
And it is coated with tetrafluoroethene clad (11) in the outside of gate panel body (9).
2. a kind of special liner polyurethane knife gate valve of antiacid caustic corrosion according to claim 1 it is characterised in that: described hole
Hole (10) is provided with least nine, and offers four holes (10) the top of gate panel body (9) is equidistant.
3. a kind of special liner polyurethane knife gate valve of antiacid caustic corrosion according to claim 1 it is characterised in that: described pressure
The diameter of bar (2) is identical with the diameter of disconnecting link valve body (1).
4. a kind of special liner polyurethane knife gate valve of antiacid caustic corrosion according to claim 1 it is characterised in that: described pre-
The quantity of tight screw (4) is seven, and pretension screw (4) equidistantly distributes the outer in disconnecting link valve body (1).
5. a kind of special liner polyurethane knife gate valve of antiacid caustic corrosion according to claim 1 it is characterised in that: described poly-
Urethane flashboard (5) is circle, and the bottom of polyurethane flashboard (5) is set to corrugated surface with the junction of polyurethane backing member (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620904199.5U CN205918926U (en) | 2016-08-19 | 2016-08-19 | Special inside lining polyurethane knife gate of anti acid and alkaline corrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620904199.5U CN205918926U (en) | 2016-08-19 | 2016-08-19 | Special inside lining polyurethane knife gate of anti acid and alkaline corrosion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918926U true CN205918926U (en) | 2017-02-01 |
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ID=57871259
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620904199.5U Active CN205918926U (en) | 2016-08-19 | 2016-08-19 | Special inside lining polyurethane knife gate of anti acid and alkaline corrosion |
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| CN (1) | CN205918926U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392975A (en) * | 2020-10-16 | 2021-02-23 | 温州奇胜阀门制造有限公司 | Bidirectional sealing wear-resistant lining polyurethane knife gate valve and processing technology thereof |
| CN112901831A (en) * | 2021-01-14 | 2021-06-04 | 芜湖市金贸流体科技股份有限公司 | Tightly-sealed antifouling isolating valve and method thereof |
-
2016
- 2016-08-19 CN CN201620904199.5U patent/CN205918926U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392975A (en) * | 2020-10-16 | 2021-02-23 | 温州奇胜阀门制造有限公司 | Bidirectional sealing wear-resistant lining polyurethane knife gate valve and processing technology thereof |
| CN112392975B (en) * | 2020-10-16 | 2022-08-23 | 奇胜阀门有限公司 | Machining process of bidirectional-sealing wear-resistant lining polyurethane knife gate valve |
| CN112901831A (en) * | 2021-01-14 | 2021-06-04 | 芜湖市金贸流体科技股份有限公司 | Tightly-sealed antifouling isolating valve and method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |