CN212594318U - Filter - Google Patents

Abstract

The application discloses filter, including shell and cartridge filter, the cartridge filter is sealed to be set up in the shell, the cartridge filter becomes to filter the antechamber and filters the back chamber to the spatial separation in the shell, the filtration seam has been seted up on the cartridge filter, filter the seam intercommunication filter the antechamber and filter the back chamber, the seam crossing that the filtration seam lies in filtration antechamber one side is less than the seam crossing that filters back chamber one side, and liquid filters the back chamber by the antechamber flow direction of filtering. The utility model discloses following beneficial effect has: the characteristic that the liquid inlet side of the filtering seam is narrow and the liquid outlet side of the filtering seam is wide ensures that solid particles cannot be clamped in the filtering seam and the filtering seam cannot be blocked.

Description

Filter

Technical Field

The utility model relates to a filter equipment field especially relates to a filter.

Background

In the field of water vapor sampling, filtration devices are commonly used to filter impurities in fluid media, and such high pressure filtration devices are used for media pre-filtration to filter out large particulate impurities in high pressure boiler water. In the face of the working condition of high temperature and high pressure with many impurities, the existing common high-pressure filtering devices have the defects of easy blockage, failure of the filtering device caused by scouring and fracture of the wound steel wire, complex structure of the filtering device cleaned by a back-flushing method and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above-mentioned problem, a filter is proposed.

The utility model adopts the following technical scheme:

the utility model provides a filter, includes shell and cartridge filter, the cartridge filter is sealed to be set up in the shell, the cartridge filter becomes to filter front chamber and filters the back chamber to the space separation in the shell, the filtration seam has been seted up on the cartridge filter, the filtration seam intercommunication filter front chamber and filter the back chamber, the seam crossing that the filtration seam lies in filtration front chamber one side is less than the seam crossing that filters back chamber one side, and liquid filters the back chamber by the flow direction of filtration front chamber.

The characteristic that the liquid inlet side of the filtering seam is narrow and the liquid outlet side of the filtering seam is wide ensures that solid particles cannot be clamped in the filtering seam and the filtering seam cannot be blocked.

Optionally, still include feed liquor pipe, drain pipe and blow off pipe, feed liquor pipe and blow off pipe all with filter the ante-chamber intercommunication, the drain pipe with filter the back chamber intercommunication, just be provided with the inclined plane chamfer on the inner wall of blow off pipe, the inclined plane chamfer contacts with filtering the ante-chamber.

The purpose of setting up the inclined plane chamfer is in order to let granule impurity (can fall under self gravity's effect) pile up on the inclined plane chamfer, so as long as regularly open the blow off pipe and can discharge impurity, can maintain this cartridge filter long-term effective operation, can not take place to block up.

Optionally, the shell includes a body and a shell cover, the body and the shell cover are in sealing fit, the liquid inlet pipe is arranged on the shell cover, the liquid outlet pipe is arranged on the body, and the sewage discharge pipe is fixed on the filter cartridge.

The shell is formed by combining the body and the shell cover so as to be convenient to assemble.

Optionally, the shell cover and the sewage discharge pipe are respectively located at two openings of the filter cartridge.

Optionally, the drain pipe and the filter cartridge are integrally formed.

Optionally, the filter cartridge further comprises a ring sleeve, and the ring sleeve is fixedly arranged between the filter cartridge and the housing cover.

The ring sleeve is arranged to facilitate assembly, meanwhile, the sealing performance can be improved, and the safety factor is higher.

Optionally, the collar is integrally formed with the filter cartridge.

Optionally, the filter seam is a filter seam with a trapezoidal cross section.

It should be noted that the whole filter needs to be resistant to high temperature, and all the sealing parts are sealed by welding.

The utility model has the advantages that: the characteristic that the liquid inlet side of the filtering seam is narrow and the liquid outlet side of the filtering seam is wide ensures that solid particles cannot be clamped in the filtering seam and the filtering seam cannot be blocked.

Description of the drawings:

figure 1 is a schematic diagram of a filter arrangement,

figure 2 is a schematic view of the distribution of the filter slots on the filter cartridge,

FIG. 3 is a schematic view showing the positional relationship of the components on the filter.

The figures are numbered: 1. feed liquor pipe, 2, cap, 3, ring cover, 4, cartridge filter, 5, body, 6, filter antechamber, 7, drain pipe, 8, filter back chamber, 9, inclined plane chamfer, 10, blow off pipe, 11, filter the seam.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, fig. 2 and fig. 3, a filter includes a housing and a filter cartridge 4, the filter cartridge 4 is hermetically disposed in the housing, the filter cartridge 4 separates a space in the housing into a front filter chamber 6 and a rear filter chamber 8, a filter seam 11 is disposed on the filter cartridge 4, the filter seam 11 communicates with the front filter chamber 6 and the rear filter chamber 8, a seam on one side of the front filter chamber 6 of the filter seam 11 is smaller than a seam on one side of the rear filter chamber 8, and liquid flows from the front filter chamber 6 to the rear filter chamber 8.

The characteristic that the liquid inlet side of the filtering seam is narrow and the liquid outlet side of the filtering seam is wide ensures that solid particles cannot be clamped in the filtering seam and the filtering seam cannot be blocked.

As shown in attached figures 1, 2 and 3, the filter also comprises a liquid inlet pipe, a liquid outlet pipe and a sewage discharge pipe, wherein the liquid inlet pipe 1 and the sewage discharge pipe 10 are communicated with a filtering front cavity 6, the liquid outlet pipe 7 is communicated with a filtering rear cavity 8, an inclined chamfer 9 is arranged on the inner wall of the sewage discharge pipe 10, and the inclined chamfer 9 is in contact with the filtering front cavity 6.

The purpose of setting up inclined plane chamfer 9 is for letting granule impurity (can fall under the effect of self gravity) pile up on inclined plane chamfer 9, so as long as regularly open blow off pipe 10 and can discharge impurity, can maintain this cartridge filter 4 long-term effective operation, can not take place to block up.

As shown in fig. 1, fig. 2 and fig. 3, the housing comprises a body 5 and a housing cover 2, the body 5 is in sealing fit with the housing cover 2, the liquid inlet pipe 1 is arranged on the housing cover 2, the liquid outlet pipe 7 is arranged on the body 5, the sewage discharge pipe 10 and the filter cartridge 4 are integrally formed and fixed together (can be fixed in other equivalent embodiments by welding, threaded connection and other manners), and the gap between the sewage discharge pipe 10 and the body 5 is sealed by welding and other sealing manners.

The main body 5 and the cover 2 are combined together for the convenience of assembly.

As shown in fig. 1, fig. 2 and fig. 3, two openings of the filter cartridge 4 are respectively matched with the shell cover 2 and the sewage draining pipe 10 in a sealing way.

As shown in fig. 1, fig. 2 and fig. 3, the filter cartridge further comprises a ring sleeve 3, and the ring sleeve 3 is arranged between the filter cartridge 4 and the housing cover 2. The ring sleeve 3 and the filter cartridge 4 are integrally formed, but may be fixed by welding or the like in other equivalent embodiments.

The collar 3 is provided for ease of assembly. And the sealing performance can be improved, and the safety factor is higher.

As shown in fig. 1, 2 and 3, the filter slits 11 are filter slits 11 having a trapezoidal cross section.

The above only is the preferred embodiment of the present invention, not therefore the limitation of the patent protection scope of the present invention, all applications the equivalent transformation made by the content of the specification of the present invention, directly or indirectly applied to other related technical fields, all included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a filter, includes shell and cartridge filter, the cartridge filter is sealed to be set up in the shell, the cartridge filter becomes to filter front chamber and filter the back chamber to the space separation in the shell, its characterized in that, the filtration seam has been seted up on the cartridge filter, filter the seam intercommunication filter front chamber and filter the back chamber, the seam crossing that the seam crossing is located filter front chamber one side is less than the seam crossing that filters back chamber one side, and liquid filters the back chamber by the flow direction of filter front chamber.

2. The filter of claim 1, further comprising a liquid inlet pipe, a liquid outlet pipe and a sewage discharge pipe, wherein the liquid inlet pipe and the sewage discharge pipe are both communicated with the front filtering cavity, the liquid outlet pipe is communicated with the rear filtering cavity, and an inclined chamfer is arranged on the inner wall of the sewage discharge pipe and is in contact with the front filtering cavity.

3. The filter of claim 2, wherein the housing comprises a body and a housing cover, the body and the housing cover are hermetically matched together, the liquid inlet pipe is arranged on the housing cover, the liquid outlet pipe is arranged on the body, and the sewage discharge pipe is fixed on the filter cartridge.

4. A filter as claimed in claim 3, wherein the drain is integrally formed with the filter cartridge.

5. The filter of claim 3 wherein the housing cover and the drain are located at the respective mouths of the filter cartridges.

6. The filter of claim 3, further comprising a collar fixedly disposed between the filter cartridge and the housing cover.

7. The filter of claim 6, wherein said collar is integrally formed with said filter cartridge.

8. The filter of claim 1, wherein the filter slots are trapezoidal in cross-section.

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