CN214838611U - Dish float type one-way valve - Google Patents
Dish float type one-way valve Download PDFInfo
- Publication number
- CN214838611U CN214838611U CN202120378344.1U CN202120378344U CN214838611U CN 214838611 U CN214838611 U CN 214838611U CN 202120378344 U CN202120378344 U CN 202120378344U CN 214838611 U CN214838611 U CN 214838611U
- Authority
- CN
- China
- Prior art keywords
- valve body
- flange
- float
- valve
- pipe
- 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.)
- Active
Links
Images
Landscapes
- Check Valves (AREA)
Abstract
The utility model discloses a dish float formula check valve is responsible for flange, flange pad, coupling fastener, filter mantle, sealed disk seat, sealing washer, valve body branch pipe flange and leads the static overline by valve body, dish float, valve body and constitutes, the dish float is arranged in the valve body owner pipe, the valve body is responsible for the flange and is responsible for welding with the valve body and be connected. The utility model provides a check valve has adopted the dish float, than swing formula, spherical float drainage resistance is little, therefore equal specification displacement is big, and the oval curved surface of dish float or circular curved surface are the face contact with the wedge face of sealing washer, it is sealed effectual, the filter mantle has been increased, filter effect to debris has been guaranteed effectively, thoroughly eliminated debris jam central drain pipe's possibility, be favorable to the normal operating of oil tank, it strides the line to have increased to lead static, be favorable to the safe operation of floating roof oil tank, moreover, the steam generator is simple in structure, light in weight, and convenient for installation and maintenance.
Description
Technical Field
The utility model relates to a petrochemical industry warehousing and transportation equipment technical field specifically is an annex of floating roof oil tank floating roof drainage system.
Background
The floating roof oil tank is an important device in petrochemical storage and transportation industry, the one-way valve is an important part for ensuring the normal drainage of the floating roof and preventing the stored liquid from overflowing, and in general, rainfall water is collected in a floating roof sump, the water is discharged out of the tank through the one-way valve and the floating roof drain pipe, but if the drainage resistance of the one-way valve is large, the accumulated water on the top of the tank cannot be discharged in time, if the filtering cover of the floating roof water collecting pit loses filtering function, dirt can enter the one-way valve to block the drain pipe, if the floating roof drain pipe is damaged and the anti-overflow performance of the one-way valve is poor, the stored liquid can overflow to the tank top if the stored liquid is found and treated in time, even a second disaster, fire, may occur, so it can be said that the function of the check valve with good performance, the check valve is very important for the safety of an oil depot, and the performances of the commonly used check valves such as a swing type check valve and a floating ball type check valve in the past are difficult to meet the field use requirements.
Disclosure of Invention
The technique that exists is not enough to the aforesaid, the utility model aims at providing a dish-shaped float-type check valve can avoid debris to block up the floating roof drain pipe, realizes smooth and easy quick drainage.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a dish float-type check valve is responsible for flange, flange pad, coupling fastener, filter mantle, sealed disk seat, sealing washer, valve body branch pipe flange and is led the static overline by valve body, dish float, valve body and constitutes, dish float is arranged in the valve body owner horizontally, the valve body is responsible for the flange and is responsible for welding with the valve body and be connected, flange pad, filter mantle, sealed disk seat all are responsible for the flange through coupling fastener and valve body and are connected, the sealing washer is installed in the annular of sealed disk seat, the branch pipe flange welds on the branch pipe of valve body, it is responsible for the flange and is sealed between the disk seat at the valve body to lead the static overline cross-over connection.
Preferably, the valve body is formed by welding a main pipe and a branch pipe, and the branch pipe is vertically welded on the main pipe.
Preferably, the valve body is in a cylindrical shape, one end of the valve body is blind, the other end of the valve body is welded with the main pipe flange, and the flange is welded at one end of the branch pipe.
Preferably, the filter cover is a cylindrical thin shell, one end of the filter cover is welded with a flange, and the top and the periphery of the other end of the filter cover are provided with filter holes.
Preferably, the flange is connected with the valve body and the sealing valve seat through connecting fasteners.
Preferably, the sealing ring is of a circular ring structure, one side of the sealing ring is a straight opening, and the other side of the sealing ring is a wedge-shaped flared opening.
The beneficial effects of the utility model reside in that: the utility model provides a check valve has adopted the dish float, than swing formula, spherical float drainage resistance is little, therefore equal specification displacement is big, and the oval curved surface of dish float or circular curved surface are the face contact with the wedge face of sealing washer, it is sealed effectual, the filter mantle has been increased, filter effect to debris has been guaranteed effectively, thoroughly eliminated debris jam central drain pipe's possibility, be favorable to the normal operating of oil tank, it strides the line to have increased to lead static, be favorable to the safe operation of floating roof oil tank, moreover, the steam generator is simple in structure, light in weight, and convenient for installation and maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a butterfly-shaped float-type check valve provided by the present invention;
FIG. 2 is a schematic structural view of a butterfly-shaped float-type check valve body provided by the present invention;
FIG. 3 is a top view of the butterfly-shaped float-type check valve body provided by the present invention;
fig. 4 is a schematic structural view of a disc-shaped float of the disc-shaped float type one-way valve provided by the present invention;
fig. 5 is a top view of a disc-shaped float of the disc-shaped float type one-way valve provided by the present invention;
FIG. 6 is a schematic structural view of a sealing ring of a butterfly-shaped float-type check valve provided by the present invention;
FIG. 7 is a top view of the sealing ring of the butterfly-shaped float-type check valve provided by the present invention;
FIG. 8 is a schematic structural view of a butterfly-shaped float-type one-way valve filter cover provided by the present invention;
fig. 9 is a top view of the disc-shaped float-type check valve filtering cover provided by the utility model.
Description of reference numerals: 1-valve body, 2-disc-shaped floater, 3-valve body main pipe flange, 4-flange gasket, 5-connecting fastener, 6-filter cover, 7-sealing valve seat, 8-sealing ring, 9-valve body branch pipe flange and 10-static conducting overline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the valve body 1 is formed by welding a main pipe and a branch pipe, and the branch pipe is vertically welded on the main pipe.
Further, the valve body is responsible for cylindrically, and one end is blind dead, and one end is connected with welding valve body and is responsible for flange 3, the welding of branch pipe tip has valve body branch pipe flange 9, can link to each other with central drain pipe.
Furthermore, the filter cover 6 is a cylindrical thin shell, one end of the filter cover is welded with a flange, the top of the other end of the filter cover and the periphery of the filter cover are provided with filter holes, accumulated water can be filtered through the filter holes, and blockage caused by the fact that sundries flow into the valve body 1 and the central drain pipe is avoided.
Furthermore, the flanging flange is connected with the valve body 1 and the sealing valve seat 7 through a connecting fastener 5.
Furthermore, the sealing ring 8 is a circular ring, one side of the sealing ring 8 is a straight opening, and the other side of the sealing ring is a wedge-shaped horn-shaped opening
Further, the disk-shaped float 2 has a front view of an elliptical curve or a circular curve in the diameter direction and a circular top view.
Further, the static conductive jumper 10 can realize the static conductive connection of the valve.
Normal drainage function: in a normal state, when rainwater falls, accumulated water on the floating roof is discharged out of the tank through the one-way valve and the central drainage pipe, so that the floating roof is protected to be in a safe operation state;
the function of preventing the stored liquid from overflowing is as follows: when the central drain pipe is damaged and leaks, the stored liquid enters the valve body 1, and the disc-shaped floater 2 is pushed to ascend to contact and press the sealing ring 8, so that the stored liquid is prevented from overflowing;
the sundry filtering function: the accumulated water on the top of the tank is difficult to avoid being mixed with various impurities, and the accumulated water must be filtered and then discharged into a sump, but due to various reasons, a sump filtering device cannot normally function; if the one-way valve has no filtering function, dirt can enter and block the central drain pipe through the one-way valve, so that the central drain pipe is not drained, and serious consequences are caused.
The utility model provides a check valve has adopted the dish float, than swing formula, spherical float drainage resistance is little, therefore equal specification displacement is big, and the oval curved surface of dish float or circular curved surface are the face contact with the wedge face of sealing washer, it is sealed effectual, the filter mantle has been increased, filter effect to debris has been guaranteed effectively, thoroughly eliminated debris jam central drain pipe's possibility, be favorable to the normal operating of oil tank, it strides the line to have increased to lead static, be favorable to the safe operation of floating roof oil tank, moreover, the steam generator is simple in structure, light in weight, and convenient for installation and maintenance.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A butterfly-shaped float-type one-way valve is characterized by comprising a valve body (1), a butterfly-shaped float (2), a valve body main pipe flange (3), a flange gasket (4), a connecting fastener (5), a filter cover (6), a sealing valve seat (7), a sealing ring (8), a valve body branch pipe flange (9) and a static conductive overline (10), the disk-shaped floater (2) is horizontally arranged in the main pipe of the valve body (1), the flange (3) of the main pipe of the valve body is welded with the main pipe of the valve body (1), the flange gasket (4), the filter cover (6) and the sealing valve seat (7) are connected with the flange (3) of the main pipe of the valve body through connecting fasteners (5), the sealing ring (8) is arranged in an annular groove of the sealing valve seat (7), the valve body branch pipe flange (9) is welded on a branch pipe of the valve body (1), and the static conductive overline (10) is bridged between the flange (3) of the main pipe of the valve body and the sealing valve seat (7).
2. Disc-shaped float-type check valve according to claim 1, characterized in that said valve body (1) is formed by welding a main pipe and a branch pipe, said branch pipe being welded perpendicularly to the main pipe.
3. Disc-shaped float-type check valve according to claim 2, characterized in that the main valve body pipe is cylindrical, blind at one end, welded at one end to a main valve body pipe flange (3), and welded at the end of the branch pipe to a branch valve body pipe flange (9).
4. The disc-shaped float-type check valve as claimed in claim 1, wherein said filtering cover (6) is a cylindrical thin shell, one end is welded with a flange, and the other end has filtering holes on the top and the periphery.
5. Disc-shaped float-type check valve according to claim 4, characterized in that the flange is connected to the valve body (1) and the sealing seat (7) by means of connecting fasteners (5).
6. The disc-shaped float-type check valve as claimed in claim 1, wherein said sealing ring (8) is of a circular ring structure, and said sealing ring (8) has a flat mouth on one side and a wedge-shaped flared mouth on the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120378344.1U CN214838611U (en) | 2021-02-19 | 2021-02-19 | Dish float type one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120378344.1U CN214838611U (en) | 2021-02-19 | 2021-02-19 | Dish float type one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214838611U true CN214838611U (en) | 2021-11-23 |
Family
ID=78952337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120378344.1U Active CN214838611U (en) | 2021-02-19 | 2021-02-19 | Dish float type one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214838611U (en) |
-
2021
- 2021-02-19 CN CN202120378344.1U patent/CN214838611U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214838611U (en) | Dish float type one-way valve | |
| CN208486354U (en) | The alarm of pump house water detection and waste water utilization device | |
| CN202389815U (en) | Emergency water drainage device of floating roof oil tank | |
| CN201396267Y (en) | Enhanced type pump seal leakage detecting device | |
| US8746482B2 (en) | Storage tank floating roof sump with emergency overflow | |
| CN2784473Y (en) | Water-power opening type quick-leaking floor drain | |
| CN209441550U (en) | A kind of ship emergency drainage device | |
| CN202187414U (en) | Water sealing drainer | |
| CN211738340U (en) | Straight-through type sewer one-way pipe joint | |
| CN211597022U (en) | Prevent blockking up sump pit | |
| CN111911672A (en) | Siphon type one-way valve | |
| CN2804197Y (en) | Water driving, open/close three prevention and fast discharge floor drain | |
| CN2844063Y (en) | The urgent freeing arrangement of dish fuel bowl | |
| CN217970855U (en) | Closed emergency drainage device for floating-roof oil tank | |
| CN219773091U (en) | Overflow alarm device for secondary water supply tank | |
| CN2493572Y (en) | Dish shape float type emergency water drainage device | |
| CN2198239Y (en) | Float-type emergency water discharging device for floating oil tank | |
| CN212131999U (en) | High-pressure steam drainage device convenient to disassemble and assemble | |
| CN216340019U (en) | Intelligent sewage treatment hoisting device | |
| CN219860646U (en) | Sewage treatment device | |
| CN203051855U (en) | Float-type one-way valve | |
| CN220786869U (en) | Oil tank dehydration temporary storage type oil return system with siphon type water removal port | |
| CN213143200U (en) | Initial stage pollution rainwater collecting system | |
| CN212835535U (en) | Water dispersing structure of high-rise building | |
| CN215676637U (en) | Cooling tower balance pipe device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |