CN214889017U - Prevent blockking up fluorine lining ball valve - Google Patents

Abstract

The utility model discloses a prevent blockking up fluorine lining ball valve, including the valve body, with the disk seat of connection can be dismantled to the valve body, be equipped with spherical chamber in the valve body, all be equipped with the medium passageway of mutual intercommunication in valve body, disk seat and the spherical chamber, the disk seat inlet is equipped with the annular groove, can dismantle in the recess and be connected with the filter screen pipe, be equipped with the filter screen in the filter screen pipe. The utility model discloses a prevent blockking up fluorine lining ball valve can effectually carry out filtering operation to the medium through the ball valve, when the liquid that contains debris flows through the valve, reduces the circumstances that pipeline blocks or the valve is blockked and takes place, improves the life and the security performance of ball valve, and the filter screen dismantles and washs comparatively simply, can carry out nimble change operation to filter equipment.

Description

Prevent blockking up fluorine lining ball valve

Technical Field

The utility model relates to a ball valve equipment technical field, concretely relates to prevent blockking up fluorine lining ball valve.

Background

The ball valve, also known as the opening and closing piece, is driven by the valve stem, the valve making rotational motion around the axis of the ball valve, can be used for regulation and control process of the fluid, it is comparatively extensive in the fields such as hydraulic engineering, chemical production, etc., the traditional ball valve mostly has not set up the filter equipment, in the course of using the ball valve, fluid will be some impurity infiltration to the inside of the ball valve when passing the ball valve, influence its performance, reduce life-span, in the actual engineering working condition, contain debris such as fragment of brick, sand grain, earth and welding slag in the pipeline, and most ball valves can only be simple to control the break-make of the pipeline, when the liquid containing debris flows through the valve, cause the pipeline to block or the valve blocks easily, a large amount of impurity is piled up and can lead to the ball valve can't open and shut normally, there is certain potential safety hazard; in addition, even current ball valve that has filter equipment also fixes filter equipment through the bolt mostly, soaks in the medium for a long time the bolt leads to rusty the card to die with the medium reaction easily, and the filter screen needs regularly clear up or change, can bring inconvenience, the practicality is relatively poor for operating personnel's change cleaning work when the filter screen is difficult to dismantle.

Disclosure of Invention

The utility model aims to provide a: overcome prior art's not enough, provide a prevent blockking up fluorine lining ball valve, can effectually carry out filtering operation to the medium through the ball valve, avoid impurity to block up the valve body, reduce the pipe blockage, improve the security performance of ball valve, and the filter screen is dismantled and is washd comparatively simply, can carry out nimble change operation to filter equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a prevent blockking up fluorine lining ball valve, includes the valve body, can dismantle the disk seat of being connected with the valve body, be equipped with spherical chamber in the valve body, all be equipped with the medium passageway of mutual intercommunication in valve body, disk seat and the spherical chamber, the disk seat inlet is equipped with annular groove, be equipped with the filter screen pipe in the recess, the filter screen intraductal dismantlement of being connected with of filter screen.

The utility model discloses further improve the scheme be, the filter screen pipe supports tightly in the recess inner wall, filter screen pipe is intraductal to be inlayed and is had the filter screen.

The utility model discloses a further improvement scheme is, the filter screen is two-layer at least, the aperture of filter screen reduces along the direction successive layer that intakes.

The utility model discloses further improve the scheme and be, be equipped with two-layer filter screen in the filter screen pipe, be equipped with the filter core between the filter screen.

The utility model discloses a further improvement scheme is, filter screen pipe and filter screen adopt high strength alloy, and its surface is equipped with the tetrafluoro lining.

The utility model discloses a further improvement is, the one end that the filter screen pipe is close to the disk seat inlet is equipped with the sealing washer, the sealing washer block is in the recess and with the laminating of filter screen pipe mouth of pipe.

The utility model discloses a further improvement scheme is, the sealing washer is rubber seal, the sealing washer surface surpasss disk seat inlet terminal surface 0.2-0.3mm, forms bellied sealed face.

The utility model discloses further improve the scheme and be, the valve body the disk seat with the coaxial medium passageway that is provided with mutual intercommunication in the spherical cavity.

The beneficial effects of the utility model reside in that:

first, the utility model discloses a prevent blockking up fluorine lining ball valve, through the disk seat inlet is equipped with the annular groove, be equipped with the filter screen pipe in the recess, filter screen pipe is intraductal to dismantle and is connected with the filter screen, can filter debris such as fragment of brick, grains of sand, earth and welding slag in the pipeline, when the liquid flow valve that contains debris flows through, reduces the pipeline and blocks or the obstructed condition of valve takes place, improves the life and the security performance of ball valve.

Second, the utility model discloses a prevent blockking up fluorine lining ball valve, through the filter screen pipe supports tightly in the annular groove inner wall, the filter screen is inlayed in the filter screen pipe, supports tightly through filtering network pipe and annular groove inner wall, is equipped with the sealing washer in one side that the filter screen pipe is close to the inlet terminal surface, the sealing washer block is in the annular groove, the sealing washer surface surpasss inlet terminal surface 0.2-0.3mm, forms bellied sealed face, can further fasten the filter screen when the installation ball valve, avoids the filter screen not hard up, when improving the ball valve installation and the sealed effect between the pipeline.

Third, the utility model discloses a prevent blockking up fluorine ball valve of lining is equipped with two-layer filter screen through the filter screen intraductal, be equipped with the filter core between the filter screen, filter screen pipe and filter screen adopt the high strength alloy, and its surface is equipped with the tetrafluoro lining layer, can improve the intensity and the corrosion resistance of filter screen pipe and filter screen, filters repeatedly the medium in the pipeline, improves the filtration efficiency to the medium.

Fourth, the utility model discloses a prevent blockking up fluorine ball valve of lining, the filter screen pipe supports tightly in inlet fluted wall, the filter screen is inlayed in the filter screen pipe, supports tightly through filter screen pipe and annular groove inner wall, only need carry out reverse support to press from the liquid outlet to the filter screen pipe when changing the filter screen and just can support the filter screen pipe out the disk seat for it is more convenient that the filter screen is changed. The ball valve is not fixed by bolts, so that the bolts are prevented from reacting with a medium, the rusting and blocking result in difficulty in replacing the filter screen in the ball valve, and the efficiency of replacing and cleaning the filter screen is improved.

Description of the drawings:

fig. 1 is a main sectional view of the anti-clogging fluorine-lined ball valve of the present invention.

In the figure, 1-valve body, 2-valve seat, 3-valve cover, 4-spherical cavity, 5-medium channel, 6-valve rod, 7-groove, 8-filter screen pipe, 9-filter screen, 10-sealing ring, 11-tetrafluoro lining layer and 12-filter element.

The specific implementation mode is as follows:

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

With reference to fig. 1, this embodiment provides an anti-clogging fluorine lining ball valve, including valve body 1, with valve seat 2 that valve body 1 can dismantle the connection, be equipped with spherical chamber 4 in the valve body 1, all be equipped with the medium passageway 5 of intercommunication in valve body 1, valve seat 2 and the spherical chamber 4, valve seat 2 inlet is equipped with annular groove 7, can dismantle in the groove 7 and be connected with filter screen pipe 8, be equipped with filter screen 9 in the filter screen pipe 8. The ball valve can filter sundries such as bricks, sand, soil, welding slag and the like in the pipeline, and reduces the occurrence of pipeline blockage or valve blockage when liquid containing the sundries flows through the valve, thereby prolonging the service life and improving the safety performance of the ball valve.

The filter screen pipe 8 is tightly propped against the inner wall of the groove 7, and the filter screen 9 is embedded in the filter screen pipe 8. The inner wall of the groove 7 through the liquid inlet of the filter screen pipe 8 and the liquid inlet of the valve seat 2 is tightly supported, when the filter screen 9 is replaced, the filter screen pipe 8 can be supported out of the valve seat 2 only by reversely supporting and pressing the filter screen pipe 8 from the liquid outlet of the valve body 1, and the filter screen 9 is more convenient to replace. The bolt is not used for fixing, the bolt is prevented from reacting with a medium, the rusting and clamping lead to the difficulty in replacing the filter screen 9 in the ball valve, and the efficiency of replacing and cleaning the filter screen 9 is improved.

The filter screen 9 is at least two layers, and the aperture of the filter screen 9 is gradually reduced along the water inlet direction. Can carry out the successive layer to the impurity in the medium and filter, improve the filter effect.

Two layers of filter screens 9 are arranged in the filter screen pipe 8, and a filter element 12 is arranged between the filter screens 9. The filter element 12 can be made of active carbon, and the filtering effect of the ball valve can be further improved.

The filter screen pipe 8 and the filter screen 9 are made of high-strength alloy, and the surfaces of the filter screen pipe and the filter screen are provided with tetrafluoro linings 11. The strength and the corrosion resistance of the filter screen pipe and the filter screen can be improved, and the filtering efficiency of the medium in the pipeline is improved.

And a sealing ring 10 is arranged at one end of the filter screen pipe 8 close to the liquid inlet of the valve seat 2, and the sealing ring 10 is clamped in the groove 7 and attached to the pipe orifice of the filter screen pipe 8. The sealing ring 10 is a rubber sealing ring, and the surface of the sealing ring 10 exceeds the liquid inlet end face of the valve seat 2 by 0.2-0.3mm to form a convex sealing surface. When the ball valve is installed, the sealing ring 10 is extruded through the bolt connection between the valve seat 2 and the pipeline, the filter screen pipe 8 can be fastened, the looseness of the filter screen pipe 8 is avoided, and the sealing effect between the ball valve and the pipeline is improved.

And medium channels 5 which are communicated with each other are coaxially arranged in the valve body 1, the valve seat 2 and the spherical cavity 4. Be equipped with inner liner 11 in valve body 1, the disk seat 2, inner liner 11 is the polytetrafluoroethylene coating, can effectively reduce the corrosive medium to the corrosion damage of ball valve, prolongs the life of ball valve.

During operation, rotate valve rod 6 through hand wheel or handle, thereby drive spherical chamber 4 and rotate and make 2 inlets of disk seat and medium passageway 5 switch on, gas or liquid switch on and flow, the medium gets into from 2 inlets of disk seat, filter screen 9 and the filter core in the filter screen pipe 8 filter the impurity in the medium repeatedly, when the liquid that contains debris flows through, reduce the condition emergence of pipeline jam or valve jam, improve the life and the security performance of ball valve, the medium that filters the completion gets into and continues to circulate in spherical chamber 4, flow into next pipeline from 1 liquid outlet of valve body, when closing, rotate valve rod 6 through hand wheel or handle, it is rotatory to drive spherical chamber 4, the liquid through hole and the medium passageway 5 of spherical chamber 4 stagger, realize the on-off state switching of medium passageway 5.

Claims (8)

1. The utility model provides a prevent blockking up lining fluorine ball valve, include valve body (1), with valve body (1) can dismantle disk seat (2) of connection, be equipped with spherical chamber (4) in valve body (1), all be equipped with medium passageway (5) that communicate each other in valve body (1), disk seat (2) and spherical chamber (4), its characterized in that: the liquid inlet of the valve seat (2) is provided with an annular groove (7), a filter screen pipe (8) is detachably connected in the groove (7), and a filter screen (9) is arranged in the filter screen pipe (8).

2. The anti-clogging fluorine-lined ball valve according to claim 1, wherein: the filter screen pipe (8) is tightly propped against the inner wall of the groove (7), and the filter screen (9) is embedded in the filter screen pipe (8).

3. An anti-clogging fluorine-lined ball valve according to claim 1 or 2, wherein: the filter screen (9) is at least two layers, and the aperture of the filter screen (9) is reduced layer by layer along the water inlet direction.

4. An anti-clogging fluorine-lined ball valve according to claim 3, wherein: two layers of filter screens (9) are arranged in the filter screen pipe (8), and a filter element (12) is arranged between the filter screens (9).

5. The anti-clogging fluorine-lined ball valve according to claim 1, wherein: the filter screen pipe (8) and the filter screen (9) are made of high-strength alloy, and the surfaces of the filter screen pipe and the filter screen are provided with tetrafluoro linings (11).

6. The anti-clogging fluorine-lined ball valve according to claim 1, wherein: one end of the filter screen pipe (8) close to the liquid inlet of the valve seat (2) is provided with a sealing ring (10), and the sealing ring (10) is clamped in the groove (7) and attached to the pipe orifice of the filter screen pipe (8).

7. The anti-clogging fluorine-lined ball valve according to claim 6, wherein: the sealing ring (10) is a rubber sealing ring, and the surface of the sealing ring (10) exceeds the liquid inlet end face of the valve seat (2) by 0.2-0.3mm to form a convex sealing surface.

8. The anti-clogging fluorine-lined ball valve according to claim 1, wherein: and medium channels (5) which are communicated with each other are coaxially arranged in the valve body (1), the valve seat (2) and the spherical cavity (4).

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