CN208660656U - A kind of detachable filter device - Google Patents

Abstract

The utility model discloses a kind of detachable filter devices, including filtering net and outer filter screen, filtering net and outer filter screen are fixed to cylinder, and it is arranged concentrically, filtering net is located at the inside of outer filter screen, one end of filtering net and outer filter screen is fixedly installed with sealing cover, filtering area is formed between filtering net and outer filter screen, several removable cartridges are provided in filtering area, removable cartridge is uniformly distributed in filtering area, removable cartridge is cylinder, the both ends of removable cartridge are provided with outwardly extending edge, several equally distributed toroidal frames are welded in filtering area, the both ends of each toroidal frame are provided with the edge to extend internally, toroidal frame is for fixing removable cartridge, removable cartridge can be completely fitted with toroidal frame.The utility model structure is simple, easy to use, and filter effect is good, also solves filter core and is not easy the problem of replacing.

Description

A kind of detachable filter device

Technical field

The utility model relates to technical field of air purification more particularly to a kind of detachable filter devices.

Background technique

Industrial production operation is often along with oil mist particles, the generation of flue dust, dust.In mist of oil containing Polychlorinated biphenyls at Point, easily cause toxic vapour to spread into air, these oil molecule particles are easily sucked by human body, have seriously affected the work of worker Make environment and health；Mist of oil diffuses in workshop, and the heavy collection of mist of oil is in metope and equipment surface, and there are fire safety evaluating hidden danger；And And if be exhausted directly in atmosphere, it is highly vulnerable to breakage atmospheric equilibrium, causes atmosphere pollution.

Existing filter generally includes filter body, filter bottom cover and filter core assembly, in order to guarantee filter housings Sealing effect, usually by filter body together with filter bottom cover rivet or weld, filter core assembly generally includes central tube, It is provided with open-work on central tube, is wrapped around in central tube and is provided with filter screen, the upper/lower terminal pair of the central tube and filter screen Upper and lower two end caps should be provided with.In use, the air containing mist of oil flows to filter screen through central tube, after filter screen filtration Outflow.

Since the filtering to mist of oil has higher requirement, and the filter screen in above-mentioned filter core assembly is usually single layer structure, Filter effect is effective, and in order to guarantee filter effect, the mesh number of single layer strainer is usually bigger, so in use for some time The filter efficiency of filter core often is reduced because impurity largely blocks filter screen mesh, in order to guarantee that filter effect must not infrequently more Filter core assembly is changed, but filter body and filter bottom cover are integral by rivet or weld, it is difficult to not damage filter body Or filter core assembly is replaced in the case where filter bottom cover, it has to thus additional to increase dimension by filter integral replacing Accomplish this.

Utility model content

The purpose of this utility model be against the above deficiency place, provide a kind of detachable filter device, solve Filter screen structure in the filter core assembly of the prior art is single, filter core assembly is not easy the problem of replacing.

The used scheme of the technical issues of the utility model solves is: a kind of detachable filter device, including interior mistake Strainer and outer filter screen, the filtering net and the outer filter screen are fixed to cylinder, and are arranged concentrically, the interior mistake Strainer is located at the inside of the outer filter screen, and one end of the filtering net and the outer filter screen is fixedly installed with sealing cover, Filtering area is formed between the filtering net and the outer filter screen, and several removable cartridges, institute are provided in the filtering area Removable cartridge is stated to be uniformly distributed in filtering area.

Further, several equally distributed toroidal frames are welded in the filtering area, the toroidal frame is cylinder, respectively The both ends of the toroidal frame are provided with the edge to extend internally, and the toroidal frame is for fixing the removable cartridge.

Further, the removable cartridge is cylinder, and the both ends of the removable cartridge, which are provided with, to extend outwardly Edge, the removable cartridge can be completely fitted with the toroidal frame.

Further, the removable cartridge is PP filter core.

Further, the filtering net and outer filter screen are stainless steel cloth, the mesh diameter of the filtering net Greater than the mesh diameter of the outer filter screen.

Further, the filtering area is equipped with detachable cover far from one end of the sealing cover.

The beneficial effects of the utility model are: multiple equally distributed removable cartridges are set between two layers of filter screen, With multistage filtering structure, filter effect is effectively increased；Removable cartridge can be completely fitted in toroidal frame, ensure that filtering Stability when device works；When requiring replacement, cover only need to be opened, removable cartridge is extracted, solves filter core It is not easy the problem of replacing.

Detailed description of the invention

Fig. 1 is the front view of the utility model；

Fig. 2 is the side view of the utility model；

Fig. 3 is the structural schematic diagram of the toroidal frame in the utility model；

Fig. 4 is the structural schematic diagram of the removable cartridge in the utility model；

In figure: 1, filtering net；2, outer filter screen；3, sealing cover；4, filtering area；5, removable cartridge；6, toroidal frame；7, Detachable cover.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment: as shown in Figure 1 and Figure 2, a kind of detachable filter device, including filtering net 1 and outer filter screen 2, it is interior Filter screen 1 and outer filter screen 2 are fixed to cylinder, and are arranged concentrically, and filtering net 1 is located at the inside of outer filter screen 2, interior Filter screen 1 and the height having the same of outer filter screen 2, both ends in same level, filtering net 1 and outer filter screen 2 One end is fixedly installed with sealing cover 3, and sealing cover 3 is used to seal one end of filtering net 1 and outer filter screen 2, ensure that device Leakproofness forms filtering area 4, is provided with several removable cartridges 5 in filtering area 4 between filtering net 1 and outer filter screen 2, can Disassembly filter core 5 is uniformly distributed in filtering area 4.

As shown in figure 3, being welded with several equally distributed toroidal frames 6 in filtering area 4, toroidal frame 6 is cylinder, each annular The both ends of frame 6 are provided with the edge to extend internally, and toroidal frame 6 is for fixing removable cartridge 4.As shown in figure 4, detachable filter Core 5 is cylinder, and the both ends of removable cartridge 5 are provided with outwardly extending edge, and removable cartridge 5 can be complete with toroidal frame 4 It is complete chimeric, by the mutual chimeric of the edge of removable cartridge 5 and the edge of toroidal frame 4, it ensure that the stabilization of removable cartridge 5 Property, which makes removable cartridge 5 facilitate installation and taking-up, solves the problems, such as that filter core is not easy to replace.

In the present embodiment, filtering area 4 is equipped with detachable cover 7 far from one end of sealing cover 3, detachable cover 7 One end is provided with the edge to extend internally, is provided with and extends internally at the inner periphery of the one end of filtering net 1 far from sealing cover 3 Edge is provided with outwardly extending edge at the excircle of the outer one end of filter screen 2 far from sealing cover 3, and detachable cover 7 can be complete It is entrenched between filtering net 1 and outer filter screen 2 entirely, guarantees the leakproofness of filter device when in use.

In the present embodiment, removable cartridge 5 is PP filter core, and PP filter core is to heat the system of entanglement by superfine polypropylene fiber At.Superfine fibre is by itself bonding and tangles, and constitutes three-dimensional micropore structure at random in space, connection does not need any between fiber Adhesive especially has the characteristics that radial fiber changes in gradient, is the synthesis of porous type and textile type filter medium.It one Aspect can form in-depth filtration, on the other hand can form surface filtration again, be collect pre-filtering, essence filtering and gravitational settling in The composite filter material of one has filter efficiency height, the pressure loss small, and filter efficiency stabilization, long service life filter cost Feature low, safety is good, adaptable.

Filtering net 1 and outer filter screen 2 are stainless steel cloth, and the mesh diameter of filtering net 1 is greater than outer filter screen 2 Mesh diameter, filtering net 1 are used for the primary filtration of air to be filtered, filter out the biggish oil mist particles of particle, therefore mesh It being relatively large in diameter, removable cartridge 5 plays the role of main filtration, therefore preferably, select PP filter core, guarantee the efficiency of filtering, and Because filter efficiency is high, need to be replaced frequently, 2 pairs of outer filter screen carry out final filtration, meeting by twice filtered air The air that some gaps between removable cartridge 5 are directly over does not pass through the filtering of removable cartridge 5, outer filter screen 2 Secondary filter can also be carried out to these air, play the role of guarantee.

When work, filtering net 1 is air inlet close to one end of detachable cover, and air to be filtered is out of air inlet entrance Filter screen 1 completes primary filtration from the mesh of filtering net 1 radially into filtering area 4；Air enters removable in filtering area 4 Filter core 5 is unloaded, then is flowed out from removable cartridge 5, passes through the surface of removable cartridge 5 twice, completes main filtration；Finally, empty Gas is radially flowed out by the mesh of outer filter screen 2, completes entire filtration step.

The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, all according to this The technical spirit of utility model any trickle amendment, equivalent replacement and improvement to the above embodiments should be included in this Within the protection scope of utility model technical solution.

Claims (6)

1. a kind of detachable filter device, including filtering net and outer filter screen, the filtering net and the outer filter screen Be fixed to cylinder, and be arranged concentrically, the filtering net is located at the inside of the outer filter screen, the filtering net and One end of the outer filter screen is fixedly installed with sealing cover, forms filtering area between the filtering net and the outer filter screen, It is characterized in that, being provided with several removable cartridges in the filtering area, the removable cartridge is uniformly distributed in filtering area.

2. a kind of detachable filter device according to claim 1, which is characterized in that if being welded in the filtering area Equally distributed toroidal frame is done, the toroidal frame is cylinder, and the both ends of each toroidal frame are provided with the side to extend internally Edge, the toroidal frame is for fixing the removable cartridge.

3. a kind of detachable filter device according to claim 2, which is characterized in that the removable cartridge is cylinder Shape, the both ends of the removable cartridge are provided with outwardly extending edge, and the removable cartridge can be complete with the toroidal frame It is complete chimeric.

4. a kind of detachable filter device according to claim 1, which is characterized in that the removable cartridge is PP filter Core.

5. a kind of detachable filter device according to claim 1, which is characterized in that the filtering net and outer filtering Net is stainless steel cloth, and the mesh diameter of the filtering net is greater than the mesh diameter of the outer filter screen.

6. a kind of detachable filter device according to any one of claims 1 to 5, which is characterized in that the filtering area One end far from the sealing cover is equipped with detachable cover.