CN206786078U - Flue gas desulfurization spins up check-valves with to pressing from both sides double plates - Google Patents
Flue gas desulfurization spins up check-valves with to pressing from both sides double plates Download PDFInfo
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- CN206786078U CN206786078U CN201720680369.0U CN201720680369U CN206786078U CN 206786078 U CN206786078 U CN 206786078U CN 201720680369 U CN201720680369 U CN 201720680369U CN 206786078 U CN206786078 U CN 206786078U
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- valve
- rod
- valve body
- check
- reduction torsion
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Abstract
The utility model discloses a kind of flue gas desulfurization check-valves is spun up with to pressing from both sides double plates, including valve body, valve body radial rotating is provided with valve rod, two semicircular valve plates are rotatablely equipped with valve rod, valve plate is oppositely arranged in valve rod both sides, raised limited ring dais are provided with valve body, limited ring dais are provided with valve seat, the one side of two valve plates is resisted against on valve seat, each valve plate is corresponded on valve rod and is provided with reduction torsion spring, valve rod side is parallel to be provided with suspension rod, two reduction torsion spring one end are resisted against on corresponding valve plate end face, the other end of two reduction torsion springs is set with suspension rod, the inner surface of valve body is provided with rubber layer, the outer surface of valve body is provided with epoxy resin layer；Valve plate of the present utility model can in the presence of reduction torsion spring self-return, prevent the medium back flow in pipeline, reach non-return effect, rubber layer and epoxy resin layer can prevent valve from producing corrosion phenomenon with medium Long Term Contact, so as to improve stability that valve uses and extend the service life of valve.
Description
Technical field
Valve body technical field is the utility model is related to, more particularly to a kind of flue gas desulfurization spins up check-valves with to pressing from both sides double plates.
Background technology
The effect of the such valve of check-valves is only to allow medium to be flowed to a direction, and prevents direction from flowing
Move, also known as non-return valve, check valve, reflux valve or counterbalance valve.Usual this valve works automatically, flows in one direction
Fluid pressure effect under, valve plate open；When fluid opposite direction flows, acted on by the valve plate that overlaps certainly of Fluid pressure and valve plate
Valve seat, so as to cut off flowing, it can be seen that, its main function is to prevent medium from flowing backwards, and prevents pump and drive motor from inverting, with
And vessel media is released.
The form species of existing market upper check valve：Check-valves is divided by structure, can be divided into lift check valve, swing type
Three kinds of check-valves and butterfly swing check valve.Lift check valve can be divided into vertical and horizontal two kinds.Swing check valve is divided into single-lobe
Three kinds of formula, Double-disc type and multi-clove type.Butterfly swing check valve is through type, several check-valves can be divided into screw thread in type of attachment above
Connection, flange connection and welding three kinds, by select different structure form and material, be widely portable to water, steam, oil product,
The various media such as acids, bases.But the major defect of above-mentioned valve body is that its volume is big, and the requirement to pipeline is larger, it is impossible to single
The demand of only various pipelines of completion, its sealing property are not sufficiently stable, and easily reveal the medium in pipeline.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of compact structure, easy for installation, and Corrosion Protection is good
Flue gas desulfurization spin up check-valves with to pressing from both sides double plates.
In order to solve the above technical problems, the technical solution of the utility model is：Flue gas desulfurization spins up non-return with to pressing from both sides double plates
Valve, including valve body, the valve body radial rotating are provided with valve rod, and two semicircular valve plates are rotatablely equipped with the valve rod,
The valve plate is oppositely arranged in the valve rod both sides, and raised limited ring dais are provided with the valve body, are set on the limited ring dais
There is valve seat, the one side of two valve plates is resisted against on the valve seat, and each valve plate is corresponded on the valve rod and is provided with reduction torsion spring,
The valve rod side is parallel to be provided with suspension rod, and two described reduction torsion spring one end are resisted against on the corresponding valve plate end face, described in two
The other end of reduction torsion spring is set with the suspension rod, and the inner surface of the valve body is provided with rubber layer, the valve body it is outer
Surface is provided with epoxy resin layer.
As preferable technical scheme, the valve seat includes the base ring combined with limited ring dais vulcanization, the base ring
Surface is provided with the closure bulge loop coordinated with the valve plate.
As preferable technical scheme, the NOL ring of depression is respectively disposed with the both ends of the surface of the valve body.
As the improvement to above-mentioned technical proposal, the reduction torsion spring is provided with L-shaped abutment end against one end of the valve plate,
Formed with the return point of application between the abutment end and the valve plate.
By adopting the above-described technical solution, flue gas desulfurization spins up check-valves, including valve body, the valve body with to pressing from both sides double plates
Radial rotating is provided with valve rod, two semicircular valve plates is rotatablely equipped with the valve rod, the valve plate is in the valve rod two
Side is oppositely arranged, and is provided with raised limited ring dais in the valve body, and the limited ring dais are provided with valve seat, and the one of two valve plates
Face is resisted against on the valve seat, and each valve plate is corresponded on the valve rod and is provided with reduction torsion spring, the valve rod side is parallel to be provided with
Suspension rod, two described reduction torsion spring one end are resisted against on the corresponding valve plate end face, the other end difference of two reduction torsion springs
It is set on the suspension rod, the inner surface of the valve body is provided with rubber layer, and the outer surface of the valve body is provided with epoxy resin layer；This
The beneficial effect of utility model is：Valve plate can in the presence of reduction torsion spring self-return, prevent the medium back flow in pipeline,
Reach non-return effect, rubber layer and epoxy resin layer can prevent valve from producing corrosion phenomenon with medium Long Term Contact, so as to improve
The stability and the service life of extension valve that valve uses.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein：
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation of the utility model embodiment other direction；
In figure：1- valve bodies；2- valve rods；3- valve plates；4- limited ring dais；5- valve seats；51- base rings；52- blocks bulge loop；6- is answered
Position torsion spring；7- suspension rods；The 8- return point of applications；9- rubber layers；10- epoxy resin layers；11- NOL rings.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.In the following detailed description, only pass through
Bright mode describes some one exemplary embodiments of the present utility model.Undoubtedly, one of ordinary skill in the art can be with
Recognize, can be with a variety of modes to described in the case of without departing from spirit and scope of the present utility model
Embodiment is modified.Therefore, accompanying drawing and description are inherently illustrative, rather than for limiting the protection of claim
Scope.
As depicted in figs. 1 and 2, flue gas desulfurization spins up check-valves, including valve body 1, the structure of valve body 1 length with to pressing from both sides double plates
Spend it is short, rigidity it is good, it is easy for installation.The radial rotating of valve body 1 is provided with valve rod 2, and two and half are rotatablely equipped with the valve rod 2
Circular valve plate 3, the valve plate 3 are oppositely arranged in the both sides of valve rod 2, and raised limited ring dais 4 are provided with the valve body 1,
The limited ring dais 4 are provided with valve seat 5, and the one side of two valve plates 3 is resisted against on the valve seat 5.When the feed liquor of the valve body 1
It is fashionable that mouth has medium to enter, and automatically opens up the valve plate 3 in the presence of medium impulse force, and two rotations of valve plates 3 are in draw close shape
State, realize the connection of pipeline.
Each valve plate 3 is corresponded on the valve rod 2 and is provided with reduction torsion spring 6, the side of valve rod 2 is parallel to be provided with suspension rod 7, and two
Described one end of reduction torsion spring 6 is resisted against on the corresponding end face of valve plate 3, and the other end of two reduction torsion springs 6 is set with
In on the suspension rod 7, the reduction torsion spring 6 is provided with L-shaped abutment end against one end of the valve plate 3, the abutment end with it is described
Formed with the return point of application 8 between valve plate 3.When needing pumped (conveying) medium, the medium impulse force of input is more than the reduction torsion spring 6
Elastic force, then the valve plate 3 automatically open up；When medium stop conveying-type, in the presence of the elastic force of reduction torsion spring 6, described in two
Valve plate 3 is resetted and contacted with the valve seat 5 respectively, and the valve pocket of the valve body 1 is blocked, realizes closedown of pipeline.
The present embodiment is provided with rubber layer 9 in the inner surface of the valve body 1, the setting of the rubber layer 9, both improves valve
Corrosion Protection, in temperature allowed range, also replace all-metal valve, reduce the cost of engineering.The valve body 1
Outer surface is provided with epoxy resin layer 10, can further improve antiseptic property.
The valve seat 5 include with the limited ring dais 4 vulcanization combine base ring 51, the surface of base ring 51 be provided with it is described
The closure bulge loop 52 that valve plate 3 coordinates, the base ring 51, the closure bulge loop 52 and the limited ring dais 4, the valve body 1 are one
Body formula vulcanizable construction, sealing property greatly improve, reach and be fully sealed, and realize zero leakage, while intensity is big, meet with stresses big,
Service life is grown.
The NOL ring 11 of depression is respectively disposed with the both ends of the surface of the valve body 1, can be with rapid dispersion medium course of conveying
In to valve formed stress, so as to formed buffering, prevent from forming valve unnecessary damage.
Valve plate 3 of the present utility model can in the presence of reduction torsion spring 6 self-return, prevent medium in pipeline from returning
Stream, reaching non-return effect, rubber layer 9 and epoxy resin layer 10 can prevent valve from producing corrosion phenomenon with medium Long Term Contact, from
And improve the stability that valve uses and extend the service life of valve, suitable for skyscraper water supply network, sewage network, have necessarily
Chemical corrosive medium pipe network, and the conditional pipe network of installing space.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (4)
1. flue gas desulfurization spins up check-valves, including valve body with to pressing from both sides double plates, it is characterised in that：The valve body radial rotating is provided with
Valve rod, two semicircular valve plates is rotatablely equipped with the valve rod, the valve plate is oppositely arranged in the valve rod both sides, described
Raised limited ring dais are provided with valve body, the limited ring dais are provided with valve seat, and the one side of two valve plates is resisted against the valve
On seat, each valve plate is corresponded on the valve rod and is provided with reduction torsion spring, the valve rod side is parallel to be provided with suspension rod, two resets
One end is resisted against on the corresponding valve plate end face, and the other end of two reduction torsion springs is set with the suspension rod
On, the inner surface of the valve body is provided with rubber layer, and the outer surface of the valve body is provided with epoxy resin layer.
2. flue gas desulfurization as claimed in claim 1 spins up check-valves with to pressing from both sides double plates, it is characterised in that：The valve seat include with
The base ring that the limited ring dais vulcanization combines, the base ring surface is provided with the closure bulge loop coordinated with the valve plate.
3. flue gas desulfurization as claimed in claim 1 or 2 spins up check-valves with to pressing from both sides double plates, it is characterised in that：The valve body
The NOL ring of depression is respectively disposed with both ends of the surface.
4. flue gas desulfurization as claimed in claim 3 spins up check-valves with to pressing from both sides double plates, it is characterised in that：The reduction torsion spring supports
L-shaped abutment end is provided with by one end of the valve plate, formed with the return point of application between the abutment end and the valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720680369.0U CN206786078U (en) | 2017-06-12 | 2017-06-12 | Flue gas desulfurization spins up check-valves with to pressing from both sides double plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720680369.0U CN206786078U (en) | 2017-06-12 | 2017-06-12 | Flue gas desulfurization spins up check-valves with to pressing from both sides double plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206786078U true CN206786078U (en) | 2017-12-22 |
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ID=60716953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720680369.0U Active CN206786078U (en) | 2017-06-12 | 2017-06-12 | Flue gas desulfurization spins up check-valves with to pressing from both sides double plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206786078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140685A (en) * | 2020-01-06 | 2020-05-12 | 柏瑞润兴（北京）科技发展有限公司 | Smoke-discharging fire-proof valve |
-
2017
- 2017-06-12 CN CN201720680369.0U patent/CN206786078U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140685A (en) * | 2020-01-06 | 2020-05-12 | 柏瑞润兴（北京）科技发展有限公司 | Smoke-discharging fire-proof valve |
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