CN215085728U - Precision filter - Google Patents

Abstract

The invention relates to a precision filter, which comprises a cylinder body and an end cover for sealing an opening at the top of the cylinder body, wherein an inlet and an outlet are respectively arranged at two sides of the top of the cylinder body, a filter cylinder which is coaxially arranged with the cylinder body is arranged in the cylinder body, arc-shaped filter covers for sealing the corresponding openings are respectively arranged at the upper end and the lower end of the filter cylinder, an obliquely arranged support ring is further sleeved outside the filter cylinder, a support seat for supporting the support ring is further arranged on the inner side wall of the cylinder body, a plurality of groups of clamping plates for clamping and fixing the filter cylinder are further vertically arranged on the inner side wall of the cylinder body below the support seat, a discharge pipe which extends to the inside of the cylinder body and is used for supporting the filter cover below is further arranged at the bottom of the cylinder body, a slag discharge pipe which is inserted into the discharge pipe is arranged on the filter cover below, and a feed pipe which extends to the inside of the filter cover above is used for extruding and fixing the filter cover above is arranged on the end cover, wherein the upper filtering cover is provided with a cleaning pipe inserted into the feeding pipe. The invention has simple structure and convenient use.

Description

Precision filter

Technical Field

The invention relates to the technical field of filters, in particular to a precision filter.

Background

The filter is one of basic auxiliary devices in industrial production and is widely used. In industrial production, liquid carrying impurities enters a filter for filtering, so that the impurities are effectively filtered and removed, and the liquid meets the requirements.

The residue filter disclosed in CN210186535U can achieve the above object but has the following problems: the mode unsettled cartridge filter of go-between is only supported through the gag lever post, so the cartridge filter drives the go-between shake easily when equipment operation, thereby make its displacement about in the casing, this then is unfavorable for the safety of cartridge filter, two then can influence the filter effect, and there is a condition then to fix the cartridge filter lock in the barrel through the bolt, this just leads to it all comparatively troublesome when the installation is dismantled, and also be difficult to operating it in narrow and small barrel, it can not carry out multistage filtration to casing internal liquid in addition exactly.

Disclosure of Invention

The invention aims to provide a precision filter.

The technical problem of the invention is mainly solved by the following technical scheme:

a precise filter comprises a cylinder body and an end cover for sealing an opening at the top of the cylinder body, wherein an inlet and an outlet are respectively arranged at two sides of the top of the cylinder body, a liquid outlet pipe is also arranged at the bottom of the cylinder body, a filter cylinder is coaxially arranged in the cylinder body, arc-shaped filter covers for sealing the corresponding openings are respectively arranged at the upper end and the lower end of the filter cylinder, a support ring which is obliquely arranged is also sleeved outside the filter cylinder, the topmost end of the support ring is positioned above the inlet, the bottommost end of the support ring is positioned below the outlet, the inlet and the outlet are separated by the support ring and the filter cylinder, a support seat for supporting the support ring is also arranged on the inner side wall of the cylinder body, the pore diameter of the filter cylinder on the upper part of the support seat is larger than that of the filter cylinder on the lower part of the support seat, and a plurality of groups of clamp plates for clamping and fixing the filter cylinder are also vertically arranged on the inner side wall of the cylinder body below the support seat, barrel bottom still is provided with the discharging pipe that extends to its inside below filter mantle that is used for supporting, wherein is provided with the scum pipe that inserts in the discharging pipe on the filter mantle of below, be provided with the inlet pipe that extends to its inside fixed top filter mantle that is used for the extrusion on the end cover, wherein be provided with the scavenge pipe that inserts in the inlet pipe on the filter mantle of top, and all be provided with the rubber seal who overlaps on corresponding scavenge pipe and scum pipe on inlet pipe and the discharging pipe inside wall.

Preferably, the hole diameter on the side wall of the filter cartridge above the supporting seat is equal to the hole diameter on the upper filter cover, and the hole diameter on the side wall of the filter cartridge below the supporting seat is equal to the hole diameter on the lower filter cover.

As a preferable scheme, through holes are uniformly formed in the clamping plate.

As a preferred scheme, the inner side walls of the feeding pipe and the discharging pipe are provided with grooves for fixing sealing rings, wherein the outer arc walls of the sealing rings are fixedly bonded in the grooves.

Preferably, a cross is arranged in the filter cylinder.

The invention has the beneficial effects that: the invention carries out multistage filtration on liquid through a plurality of groups of filter covers with different apertures and apertures with different sizes in the side wall of the filter cylinder, thereby effectively removing impurities in the liquid, and the filter cylinder and the filter covers are clamped and fixed in the cylinder body through the feed pipe and the discharge pipe to prevent the filter cylinder and the filter covers from moving up and down, while a plurality of groups of clamping plates are used for clamping and fixing the filter cylinder to prevent the filter cylinder from moving horizontally, and simultaneously, the filter covers and the filter cylinder can be conveniently drawn out from the cylinder body only by taking off the lower end cover to separate the feed pipe from the cleaning pipe during disassembly, so that the filter covers and the filter cylinder are not required to be fixed by means of parts such as bolts during assembly, and the assembly and disassembly of the filter cylinder are convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1. the device comprises a barrel body, 2, an end cover, 3, an inlet, 4, an outlet, 5, a liquid outlet pipe, 6, a filter cartridge, 7, a filter cover, 8, a support ring, 9, a support seat, 10, a clamping plate, 11, a through hole, 12, a discharge pipe, 13, a slag discharge pipe, 14, a feed pipe, 15, a cleaning pipe, 16 and a cross.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

The utility model provides a precision filter, includes barrel 1 and with the sealed end cover 2 of 1 open-top of barrel, wherein 1 top both sides of barrel are provided with import 3 and export 4 respectively, and still are provided with drain pipe 5 bottom barrel 1.

A filter cartridge 6 which is coaxial with the cylinder body 1 is arranged in the cylinder body 1, wherein the upper end and the lower end of the filter cartridge 6 are both provided with an arc-shaped filter cover 7 which seals the corresponding opening, and the filter cylinder 6 is sleeved with a support ring 8 which is obliquely arranged, the topmost end of the support ring 8 is positioned above the inlet 3, wherein the lowermost end of the support ring 8 is located below the outlet 4, and the support ring 8 and the filter cartridge 6 separate the inlet 3 from the outlet 4, the inner side wall of the cylinder 1 is also provided with a supporting seat 9 for supporting the supporting ring 8, the aperture on the side wall of the filter cartridge 6 above the supporting seat 9 is larger than that on the side wall of the filter cartridge 6 below the supporting seat in the embodiment, wherein the aperture on the side wall of the filter cartridge 6 above the supporting seat 9 is equal to the aperture on the upper filter cover 7, and the aperture on the side wall of the filter cartridge 6 below the supporting seat 9 is equal to the aperture on the filter cover 7 below.

As shown in fig. 1, liquid enters the cylinder 1 through the inlet 3, since the support ring 8 and the filter cartridge 6 separate the inlet 3 from the outlet 4, so that the entering liquid is filtered by the aperture of the side wall of the filter cartridge 6 below the supporting seat 9 and the aperture of the filter cover 7 below and flows into the filter cartridge 6, then the filter is filtered by the aperture of the side wall of the filter cartridge 6 above the supporting seat 9 and the aperture of the upper filter cover 7, and flows into the cylinder 1 at the outer side of the filter cartridge 6 above the supporting ring 8, then discharged from the outlet 4, and then the liquid is filtered in multiple stages through multiple groups of filter covers 7 with different pore diameters and pore diameters with different sizes in the side wall of the filter cylinder 6, thereby effectively removing impurities in the liquid, and the support ring 8 and the support seat 9 prevent the entering liquid from flowing to the top of the filter cylinder 6 from the gap between the cylinder 1 and the filter cylinder 6 under the condition of no filtration and directly discharging from the outlet 4.

Wherein still vertically be provided with the splint 10 that the multiunit is used for the fixed cartridge filter 6 of centre gripping on the barrel 1 inside wall of supporting seat 9 below, and evenly be provided with through-hole 11 on the splint 10, fix cartridge filter 6 lower half so through splint 10 centre gripping so with the steadiness of strengthening it in barrel 1, still prevent its both sides liquid's of its both sides circulation through setting up through-hole 11 simultaneously to be provided with cross 16 in the cartridge filter 6 in order to strengthen its bulk strength.

As shown in fig. 1, still be provided with the discharging pipe 12 that extends to its inside below filter mantle 7 that is used for supporting in barrel 1 bottom, wherein be provided with the scum pipe 13 that inserts in discharging pipe 12 on the filter mantle 7 of below, be provided with the feeding pipe 14 that extends to its inside fixed top filter mantle 7 that is used for the extrusion on end cover 2, wherein be provided with the scavenge pipe 15 that inserts in the feeding pipe 14 on the filter mantle 7 of top, and all be provided with the rubber seal who overlaps on corresponding scavenge pipe 15 and scum pipe 13 on feeding pipe 14 and the discharging pipe 12 inside wall, be provided with the recess that is used for fixed seal on feeding pipe 14 and the discharging pipe 12 inside wall, wherein the bonding of sealing washer outer arc wall is fixed in the recess.

When the filter cartridge 6 is installed, the filter cartridge 6 passes through an opening of a supporting seat 9, a supporting ring 8 is put on the supporting seat 9 to support and fix the filter cartridge, then a plurality of groups of clamping plates 10 clamp and fix the lower half part of the filter cartridge 6, the bottom end of a slag discharge pipe 13 is inserted into a discharge pipe 12 to be fixed, the bottom end of the discharge pipe 12 supports against a lower filter cover 7 to be suspended, an end cover 2 is locked and fixed with the cartridge 1, a feed pipe 14 is sleeved on a cleaning pipe 15 and supports against an upper filter cover 7 to be suspended, the filter cartridge 6 and the filter cover 7 are clamped and fixed in the cartridge 1 through the feed pipe 14 and the discharge pipe 12 to be prevented from moving up and down, the plurality of groups of clamping plates 10 are used for clamping and fixing the filter cartridge 6 to prevent the horizontal movement, and the filter cover 7 and the filter cartridge 6 can be conveniently extracted from the cartridge 1 only by taking off the end cover 2 to separate the feed pipe 14 from the cleaning pipe 15 when the filter cartridge is disassembled, the fixing device is fixed without using parts such as bolts during installation, so that the installation and the disassembly are convenient.

And can open discharging pipe 12 after finishing filtering for the impurity of the interior siltation of cartridge filter 6 is discharged through scum pipe and discharging pipe 12, and the accessible is opened feeding pipe 14 simultaneously and is poured into the impurity of its inside wall into the cartridge filter 6 with the washing liquid through scavenge pipe 15 and erode, so that impurity is discharged by scum pipe 13 and discharging pipe 12, and then makes things convenient for the cleaning work in the cartridge filter 6.

Meanwhile, the top ends of the upper filter cover 7 and the filter cylinder 6 are fixed in a mode of clamping the cleaning pipe 15 through the feeding pipe 14, the bottom ends of the lower filter cover 7 and the filter cylinder 6 are fixed in a mode of clamping the deslagging pipe 13 through the discharging pipe 12, so that the upper end and the lower end of the filter cylinder 6 are fixed, the stability of the filter cylinder in the cylinder 1 is improved, the swinging probability of the filter cylinder is reduced to improve the overall strength and the safety of the filter cylinder, and the sealing ring can prevent liquid entering the cylinder 1 from the inlet 3 from flowing into the deslagging pipe 13 and the filter cylinder 6 through a gap between the discharging pipe 12 and the deslagging pipe 13 under the condition of not being filtered. And liquid in the filter cylinder 6 is prevented from flowing into the cylinder outside the filter cylinder 6 above the supporting seat 9 through the gap between the cleaning pipe 15 and the feeding pipe 14 and being discharged from the outlet 4 under the condition of no filtration.

The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and is not to be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (5)

1. A precise filter comprises a cylinder body and an end cover for sealing an opening at the top of the cylinder body, wherein an inlet and an outlet are respectively arranged at two sides of the top of the cylinder body, a liquid outlet pipe is also arranged at the bottom of the cylinder body, the cylinder body is internally provided with a filter cylinder which is coaxially arranged with the cylinder body, the upper end and the lower end of the filter cylinder are respectively provided with an arc-shaped filter cover for sealing the corresponding opening, the filter cylinder is externally sleeved with a support ring which is obliquely arranged, the topmost end of the support ring is positioned above the inlet, the bottommost end of the support ring is positioned below the outlet, the inlet and the outlet are separated by the support ring and the filter cylinder, the inner side wall of the cylinder body is also provided with a support seat for supporting the support ring, the pore diameter on the side wall of the filter cylinder above the support seat is larger than that on the side wall of the filter cylinder below the support seat, and the inner side wall of the cylinder body below the support seat is also vertically provided with a plurality of groups of clamping plates for clamping and fixing the filter cylinder, barrel bottom still is provided with the discharging pipe that extends to its inside below filter mantle that is used for supporting, wherein is provided with the scum pipe that inserts in the discharging pipe on the filter mantle of below, be provided with the inlet pipe that extends to its inside fixed top filter mantle that is used for the extrusion on the end cover, wherein be provided with the scavenge pipe that inserts in the inlet pipe on the filter mantle of top, and all be provided with the rubber seal who overlaps on corresponding scavenge pipe and scum pipe on inlet pipe and the discharging pipe inside wall.

2. A precision filter according to claim 1, wherein the diameter of the bore in the side wall of the filter cartridge above the support base is equal to the diameter of the bore in the filter housing above the support base, and wherein the diameter of the bore in the side wall of the filter cartridge below the support base is equal to the diameter of the bore in the filter housing below the support base.

3. A precision filter according to claim 1, wherein the clamping plates are uniformly provided with through holes.

4. A precision filter according to claim 1, wherein the feed pipe and the discharge pipe are provided with grooves for fixing the sealing rings on their inner side walls, and the outer arc walls of the sealing rings are adhered and fixed in the grooves.

5. A precision filter according to claim 1, wherein a cross is provided within the filter cartridge.

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