CN206669065U - A kind of high temperature filter screen valve - Google Patents

Abstract

A kind of high temperature filter screen valve, it includes filter screen shell, taper filter core, filter core split ring, screw, sealing ring, backup ring, pendant collet, pretension plate, pressure seal lid, pre-load nut, filter screen sludge-tank, floss hole, bolt, nut, band neck W.N flange, blind plate；Filter screen uses pyramidal structure, and the import of medium and impurity is bigger than exporting, and is provided with the circular filter screen hole in the arrangement of Archimedian screw shape, and impurity can quickly reach discharge port, not interfere with the flow of integrated piping；Filter screen can be repeatedly used, has saved use cost under easy removal after the use simultaneously.

Description

A kind of high temperature filter screen valve

Technical field

It the utility model is related to valve field, and in particular to a kind of high temperature filter screen valve.

Background technology

Impurity in filter pipe is a procedure essential on all pipelines, the filter screen dress used in existing pipeline The requirement for not reaching field working conditions is put, it is relatively difficult for impurity discharge, it is necessary to which timing is clear using artificial or integral demounting valve The impurity washed in whole pipeline, that is, take a lot of work and time-consuming, considerably increase the requirement of use cost and the various operating modes that are far from suitable, it is special It is not in high-temperature and pressure pipeline, artificial unloading is produced with valve, very time-consuming, and has certain danger.

According to case above, it is badly in need of a kind of valve with filter screen at present, it is ensured that will not be produced when fluid passes through filter screen stifled The phenomenon of plug, and impurity can quickly reach discharge port, not interfere with the flow of integrated piping, while guarantee again quick Dismounting save the energy and man-hour, can guarantee that pipeline is not in various situations in follow-up work.

Utility model content

The utility model is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of high temperature filter screen valve, filter screen use taper knot The import of structure, medium and impurity is bigger than exporting, and there is provided the circular filter screen hole in the arrangement of Archimedian screw shape, impurity energy Discharge port is quickly reached, does not interfere with the flow of integrated piping；Filter screen can be repeated more under easy removal after the use simultaneously Secondary use.

To solve problems of the prior art, the concrete technical scheme of use is：

A kind of high temperature filter screen valve, it includes filter screen shell, taper filter core, filter core split ring, screw, sealing ring, sealing ring Back-up ring, pendant collet, pretension plate, pressure seal lid, pre-load nut, filter screen sludge-tank, floss hole, bolt, nut, band neck are to welding method Blue, blind plate；

It is shaped as "+" type to the filter screen shell, is provided with right water inlet, upper water-out mouth, seal, sewage draining exit； The taper filter core is arranged in filter screen shell cavity, and towards right water inlet, small end is opened towards seal and with filter core at its big end Choma is connected by screw, and filter core split ring is stuck in filter screen shell；Pendant collet is between pretension plate and filter screen shell；Pressure Closure left part is connected through pretension plate and the pretension screw thread by setting thereon with pre-load nut, pressure seal lid right-hand member Portion is located inside filter screen shell, and sealing ring, backup ring are provided between pendant collet and pressure seal lid right part；Filter screen is dirty Mud sump one end is welded on sewage draining exit, and the other end is welded on band neck W.N flange；Blind plate is by bolt, nut and with neck butt welding Flange is connected；Floss hole is welded on filter screen sludge-tank.

Preferable scheme, the screw thread of the pretension screw thread and pre-load nut is fine pitch trapezoidal thread.

Further preferred scheme, the right part of the pressure seal lid is cylinder, and its face of cylinder overall diameter is more than filter The overall diameter of core split ring.

Further preferred scheme, the circle arranged in Archimedian screw shape is provided with the conical surface of the taper filter core Opening of sieve.

A kind of implementation process of high temperature filter screen valve is：

When the fluid with impurity is by right water inlet, by taper filter element filtering, its fluid impurity is due to that can not lead to The circular filter screen hole of taper filter core is crossed, therefore enters the small end of taper filter core, into filter screen sludge-tank, is arranged by floss hole Go out, the fluid after filtering then enters next process by circular filter screen hole into upper water-out mouth；Needing to clean high temperature filter screen Only needed during valve by turning on pre-load nut then removable lower pressure closure, and turn on screw and take out taper filter core, clean valve body.

By using such scheme, a kind of high temperature filter screen valve of the present utility model, it has technical effect that：

1st, the utility model is by setting taper filter core, realize impurity can quickly reach discharge port do not interfere with again it is whole The flow of body pipeline.

2nd, the utility model sets the screw thread of pretension screw thread and pre-load nut be fine pitch trapezoidal thread, go than commonly Screw thread dismantles more convenient advantage.

3rd, the filter screen that the utility model is set can be repeatedly used, saved under easy removal by bolt after the use About use cost.

Brief description of the drawings

Fig. 1 is a kind of cross-sectional view of high temperature filter screen valve of the utility model.

Embodiment

To make the purpose of this utility model, technical scheme and advantage of greater clarity, with reference to instantiation and join According to accompanying drawing, the utility model is further described.It should be understood that these descriptions are merely illustrative, and it is not intended to limit The scope of the utility model.In addition, in the following description, the description to known features and technology is eliminated, it is unnecessary to avoid Obscure concept of the present utility model in ground.

As shown in Figure 1：A kind of high temperature filter screen valve, it include filter screen shell 1, taper filter core 2, filter core split ring 3, screw 4, Sealing ring 5, backup ring 6, pendant collet 7, pretension plate 8, pressure seal lid 9, pre-load nut 10, filter screen sludge-tank 11, discharge Mouth 12, bolt 13, nut 14, band neck W.N flange 15, blind plate 16；

It is shaped as "+" type to the filter screen shell 1, is provided with right water inlet 111, upper water-out mouth 112, seal 113, sewage draining exit 114；The taper filter core 2 is arranged in the cavity of filter screen shell 1, and its big end is towards right water inlet 111, small end court It is connected to seal 113 and with filter core split ring 3 by screw 4, filter core split ring 3 is stuck in filter screen shell 1；Pendant collet 7 Between pretension plate 8 and filter screen shell 1；The left part of pressure seal lid 9 passes through pretension plate 8 and the pretension spiral shell by setting thereon Line 91 is connected with pre-load nut 10, and the right part of pressure seal lid 9 is located inside filter screen shell 1, pendant collet 7 and pressure seal lid 9 Sealing ring 5, backup ring 6 are provided between right part；The one end of filter screen sludge-tank 11 is welded on sewage draining exit 114, the other end It is welded on band neck W.N flange 15；Blind plate 16 is connected by bolt 13, nut 14 with neck W.N flange 15；Floss hole 12 welds It is connected on filter screen sludge-tank 11.

The screw thread of the pretension screw thread 91 and pre-load nut 10 is fine pitch trapezoidal thread.

The right part of the pressure seal lid 9 is cylinder, and its face of cylinder overall diameter is more than the outer straight of filter core split ring 3 Footpath；

The circular filter screen hole arranged in Archimedian screw shape is provided with the conical surface of the taper filter core 2.

A kind of implementation process of high temperature filter screen valve is：

When the fluid with impurity is by right water inlet 111, filtered by taper filter core 2, its fluid impurity is due to nothing Method enters the small end of taper filter core 2 by the circular filter screen hole of taper filter core 2, into filter screen sludge-tank 11, passes through row Put mouth 12 to discharge, the fluid after filtering then enters next process by circular filter screen hole into upper water-out mouth 112；Needing clearly Only needed when washing high temperature filter screen valve by turning on the then removable lower pressure closure 9 of pre-load nut 10, and turn on screw 4 and take out taper Filter core 2, clean valve body.

Preferred embodiment of the present utility model is the foregoing is only, not limiting protection model of the present utility model Enclose, it is all within the spirit and principles of the utility model, any modification for being made, equivalent substitution, it is all contained in the utility model Protection domain within.

Claims (4)

1. A kind of 1. high temperature filter screen valve, it is characterised in that：It includes filter screen shell（1）, taper filter core（2）, filter core split ring（3）、 Screw（4）, sealing ring（5）, backup ring（6）, pendant collet（7）, pretension plate（8）, pressure seal lid（9）, pre-load nut （10）, filter screen sludge-tank（11）, floss hole（12）, bolt（13）, nut（14）, band neck W.N flange（15）, blind plate（16）；

   The filter screen shell（1）It is shaped as "+" type, is provided with right water inlet（111）, upper water-out mouth（112）, seal （113）, sewage draining exit（114）；The taper filter core（2）Installed in filter screen shell（1）In cavity, its big end is towards right water inlet （111）, small end is towards seal（113）And with filter core split ring（3）Pass through screw（4）It is connected, filter core split ring（3）It is stuck in filter Reticulated shell body（1）In；Pendant collet（7）Positioned at pretension plate（8）And filter screen shell（1）Between；Pressure seal lid（9）Left part is through in advance Tight plate（8）And pass through the pretension screw thread set thereon（91）With pre-load nut（10）It is connected, pressure seal lid（9）Right-hand member position In filter screen shell（1）Inside, pendant collet（7）With pressure seal lid（9）Sealing ring is provided between right part（5）, sealing ring gear Circle（6）；Filter screen sludge-tank（11）One end is welded on sewage draining exit（114）On, the other end is welded on band neck W.N flange（15）On；It is blind Plate（16）Pass through bolt（13）, nut（14）With band neck W.N flange（15）It is connected；Floss hole（12）It is welded on filter screen sludge-tank （11）On.
2. A kind of 2. high temperature filter screen valve according to claim 1, it is characterised in that：The pretension screw thread（91）And pre-load nut （10）Screw thread be fine pitch trapezoidal thread.
3. A kind of 3. high temperature filter screen valve according to claim 1, it is characterised in that：The pressure seal lid（9）Right part For cylinder, its face of cylinder overall diameter is more than filter core split ring（3）Overall diameter.
4. A kind of 4. high temperature filter screen valve according to claim 1, it is characterised in that：The taper filter core（2）The conical surface on set It is equipped with the circular filter screen hole in the arrangement of Archimedian screw shape.