CN212039475U

CN212039475U - Combined bag filter and filtering device

Info

Publication number: CN212039475U
Application number: CN202020225432.3U
Authority: CN
Inventors: 高麟; 杨海涛
Original assignee: Intermet Technology Chengdu Co Ltd
Current assignee: Intermet Technology Chengdu Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-12-01
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a combination formula bag filter and filter equipment. The combined bag filter comprises a filter assembly, wherein the filter assembly comprises a flexible filter surface and a rigid frame connected with the periphery of the flexible filter surface; the support frame, the support frame has the mounting groove that makes the support frame inside and outside switch on, flexible filter surface is in filter component inserts behind the mounting groove will the inside and the outside wall of support frame. Therefore, the filter assembly can be taken out only during maintenance. The combined structure is particularly suitable for the bag filter, and the upper part of the bag filter is a clean air cavity, so that not only is maintenance personnel convenient to enter, but also a maintenance space can be provided, and the filter assembly is convenient to disassemble and assemble. The bag filter is not only suitable for the air purifier, but also suitable for other industrial gas purification occasions.

Description

Combined bag filter and filtering device

Technical Field

The utility model relates to a filterable technical field especially relates to gas and filtration, particularly, relates to combination formula bag filter and filter equipment.

Background

The existing air purification equipment is mostly air purification equipment used in small-sized environments such as families, the air volume is mostly small, the haze treatment effect on large-sized space environments and outdoor open spaces is poor, if the haze problem in large-sized indoor space places needs to be solved, a plurality of air purification equipment need to be used for working simultaneously, the effect cannot meet the use requirement, and a large amount of indoor position space can be occupied. Therefore, there is a need for an air purification apparatus that can circularly purify air with a large amount of air and occupies a small space.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that at first will solve provides an air purifier that occupation space is few, big amount of wind circulation air-purifying.

In order to achieve the above object, the present invention provides an air cleaner. The air purifier comprises a gas flow channel formed between an air inlet channel and an air outlet channel, a power device for providing power for gas flow and a filtering device arranged on the gas flow channel, wherein the filtering device comprises a first filtering device and a second filtering device which are used for filtering gas to be filtered in sequence, and the filtering efficiency of the first filtering device on solid particles is smaller than that of the second filtering device on the solid particles; the first filtering surface of the first filtering device is not parallel to the second filtering surface of the second filtering device; the air inlet direction of the second filtering device is not perpendicular to the second filtering surface.

Different filtration membranes in traditional multistage filter equipment are usually placed and all perpendicular to gas flow channel in a certain interval stack around, have so not only restricted filtration area, and easy deposition leads to flux to reduce fast moreover. In the utility model, the first filtering surface of the first filtering device is not parallel to the second filtering surface of the second filtering device, so that the filtering area can be conveniently adjusted in a limited equipment space, the equipment is more compact, and the air purification efficiency is higher; through making the direction of admitting air of second filter equipment is not parallel with the filter direction, treats like this that the filter gas carries out the effect that the secondary extruded will weaken to the deposition on the second filtering surface, helps the deposition to descend naturally under the action of gravity, avoids the flux to descend fast to further promote air purification efficiency. It is thus clear that compare with current air purification equipment, under the same equipment volume, the utility model discloses an air purifier has obviously higher air purification efficiency.

Further, the first filtering surface is horizontally arranged, and the second filtering surface is vertically arranged; the power device is arranged between the first filtering device and the second filtering device. Because the particulate matter that first filtering surface intercepted is great relatively, from this, first filtering surface is difficult for the deposition and easy deashing when first filtering surface is placed horizontally. The second filtering surface is vertically arranged, so that dust deposition can be prevented to the maximum extent. The power device is arranged between the first filtering device and the second filtering device, so that the energy consumption can be reduced to the maximum extent.

Further, the area of the first filtering surface is smaller than that of the second filtering surface. The required filtration resistance is higher due to the higher precision of the second filtering surface, whereby the filtration resistance can be distributed by increasing the area of the second filtering surface.

Further, the second filter device is provided with a plurality of bag filters distributed at intervals and an adaptive pore plate. Thus, by setting the number of bag filters, the second filter surface area can be adjusted.

Further, the first filtering surface and/or the second filtering surface are folded; and/or the first filtering surface and/or the second filtering surface are formed by overlapping a plurality of filtering layers.

Further, the plurality of filter layers includes a physical filter layer and a chemical filter layer.

Further, the filtering device further comprises a wire mesh for primary filtering of air; and an air outlet with adjustable air outlet direction is arranged on the air outlet channel.

When the bag filter among the above-mentioned air cleaner adopts traditional integral type bag filter or sack filter, need take out whole filter during maintenance, waste time and energy, based on this, the utility model discloses secondly the technical problem that solve lies in providing the just combination formula bag filter and the filter equipment of dismouting of being convenient for.

In order to achieve the above object, the present invention further provides a combined bag filter and a filtering device.

A combined bag filter comprising

The filter assembly comprises a flexible filter surface and a rigid frame connected with the periphery of the flexible filter surface;

the support frame, the support frame has the mounting groove that makes the support frame inside and outside switch on, flexible filter surface is in filter component inserts behind the mounting groove will the inside and the outside wall of support frame.

Therefore, the filter assembly can be taken out only during maintenance. The combined structure is particularly suitable for the bag filter, and the upper part of the bag filter is a clean air cavity, so that not only is maintenance personnel convenient to enter, but also a maintenance space can be provided, and the filter assembly is convenient to disassemble and assemble. The bag filter is not only suitable for the air purifier, but also suitable for other industrial gas purification occasions.

Further, the mounting groove is vertically arranged so that the filter assembly is inserted into the mounting groove from the upper portion of the support frame downward. Therefore, the disassembly and assembly are convenient.

Furthermore, the vertical periphery of the supporting frame is provided with the mounting grooves. Therefore, the area of the filtering surface is increased.

Furthermore, the filter assembly is plate-shaped and the number of the filter assembly is matched with that of the mounting grooves. Therefore, targeted disassembly and maintenance are facilitated.

Further, the filter assembly is of an integrated pipe type structure, and the cross section of the filter assembly is circular or rectangular. Therefore, the structure of the device can be simplified, and the weight can be reduced.

Further, the flexible filtering surface is folded; and/or the flexible filtering surface is formed by overlapping a plurality of filtering layers.

Further, the flexible filter surface includes a physical filter layer and/or a chemical filter layer.

The mounting groove is arranged on the rigid frame, and the sealing structure is arranged on the contact surface of the mounting groove and the rigid frame.

Further, the sealing structure comprises an elastic sealing strip arranged on the contact surface of the mounting groove and the rigid frame. Thereby, the elastic sealing strip is pressed and deformed after the filter assembly is inserted, so that sealing is realized.

Further, the sealing structure comprises a buckle connecting the support frame and the non-contact surface of the rigid frame. From this, further promote sealed effect, and prevent that filter assembly from rocking under the air current erodees.

The filtering device comprises a bag filter and an orifice plate, wherein the opening end of the bag filter is connected with the through hole of the orifice plate, gas to be filtered below the orifice plate enters the upper part of the orifice plate through the inside of the bag filter after being filtered by the bag filter, and the bag filter is the combined bag filter.

The present invention will be further described with reference to the accompanying drawings and the detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which form a part of the disclosure, are included to assist in understanding the disclosure, and the description provided herein and the accompanying drawings, which are related thereto, are intended to explain the disclosure, but do not constitute an undue limitation on the disclosure.

In the drawings:

fig. 1 is an external structural schematic diagram of an air cleaner according to embodiment 1 of the present invention.

Fig. 2 is a schematic view of an internal structure of an air cleaner according to embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of a bag filter according to embodiment 2 of the present invention.

Fig. 4 is a schematic structural diagram of a filtering structure in a bag filter according to embodiment 2 of the present invention.

Fig. 5 is a schematic structural view of a support frame in a bag filter according to embodiment 2 of the present invention.

Fig. 6 is a schematic structural diagram of a filtering structure in a bag filter according to embodiment 4 of the present invention.

The relevant references in the above figures are:

11-air inlet channel, 12-air outlet channel, 13-air outlet, 14-conical top cover, 15-access opening, 16-display, 21-power device, 22-air deflector, 31-first filtering device, 32-bag filter, 33-pore plate, 34-silk screen, 101-flexible filtering surface, 102-rigid frame, 103-bracelet, 104-elastic sealing strip, 200-support frame and 201-installation groove.

Detailed Description

The present invention will be described more fully with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before the present invention is described with reference to the accompanying drawings, it is to be noted that:

the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.

Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.

With respect to the terms and units of the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions. The term "filtration efficiency" refers to the ratio of the amount of solid particulates intercepted by the filter material to the amount of solid particulates contained by itself in the gas to be filtered under the conditions tested.

Example 1

The air purifier shown in fig. 1-2 comprises a gas flow channel formed between an air inlet channel 11 and an air outlet channel 12, a power device 21 for providing power for gas flow, and a filtering device arranged on the gas flow channel, wherein under the traction of the power device 21, gas to be filtered entering from the air inlet channel 11 is filtered by the filtering device and then is discharged from the air outlet channel 12; and an air outlet 13 with an adjustable air outlet direction is arranged on the air outlet channel 12.

The filtering device comprises a silk screen 34, a first filtering device 31 and a second filtering device which are used for filtering gas to be filtered in sequence, wherein the filtering efficiency of the first filtering device 31 on solid particles is smaller than that of the second filtering device on the solid particles; the area of the first filtering surface is smaller than that of the second filtering surface.

The first filtering surface of the first filtering device 31 is not parallel to the second filtering surface of the second filtering device; the air inlet direction of the second filtering device is not vertical to the second filtering surface; specifically, the first filtering surface is horizontally arranged, and the second filtering surface is vertically arranged.

The power device 21 is arranged between the first filtering device 31 and the second filtering device, the power device 21 adopts a fan, and an air deflector 22 is arranged between the fan and the second filtering device to uniformly distribute air flow.

The second filtering device is provided with a plurality of bag filters 32 distributed at intervals and a matched pore plate 33, the open ends of the bag filters 32 are connected with through holes of the pore plate 33, and gas to be filtered below the pore plate 33 enters the upper part of the pore plate 33 through the interior of the bag filters 32 after being filtered by the bag filters 32.

The top of the shell is provided with a conical top cover 14 which can be suitable for outdoor installation and use.

A plurality of access ports 15 are provided in the housing for access to the filtration unit, power unit 21 and other structures, respectively.

An air quality detection device and a controller are arranged in the shell, the air quality detection device is used for detecting the content of particulate matters and the content of gaseous pollutants, and the controller controls the power device 21 to pull air, replace the filter device and the like according to the detection result; a display 16 is provided on the housing to show the current air quality.

Example 2

Compared with embodiment 1, the air cleaner and the bag filter of the present embodiment have the following differences: as shown in fig. 3-5, the bag filter 32 is a combination bag filter comprising a filter assembly and a support frame 200.

The filter assembly comprises a flexible filter surface 101 and a rigid frame 102 connected with the periphery of the flexible filter surface 101; the first filtering surface and the flexible filtering surface 101 (i.e. the second filtering surface) are folded.

The supporting frame 200 is provided with a mounting groove 201 for communicating the inside and the outside of the supporting frame 200, and the flexible filtering surface 101 separates the inside and the outside of the supporting frame 200 after the filtering component is inserted into the mounting groove 201; the installation groove 201 is vertically arranged so that the filter assembly is inserted into the installation groove 201 from the upper portion of the support frame 200 downward.

The support frame 200 appearance is the cuboid form, all is equipped with on its four sides mounting groove 201, filtering component is the number matching of board type and number and mounting groove 201.

A bracelet 103 is provided on the non-contact surface of the rigid frame 102 to facilitate removal of the filter assembly.

Example 3

Compared with embodiment 2, the air cleaner and the bag filter of the present embodiment have the following differences: four mounting grooves 201 link up each other, filtering component is integral type cast structure, and its cross section is the rectangle.

Example 4

Compared with embodiment 2, the air cleaner and the bag filter of the present embodiment have the following differences: as shown in fig. 6, the combined bag filter further comprises a sealing structure, the sealing structure comprises an elastic sealing strip 104 arranged on the contact surface of the mounting groove 201 and the rigid frame 102, and a buckle connecting the supporting frame 200 and the non-contact surface of the rigid frame 102, and the buckle is a duckbill buckle.

Example 5

Compared with embodiment 2, the air cleaner and the bag filter of the present embodiment have the following differences: the first filtering surface and the second filtering surface are formed by overlapping a plurality of filtering layers, and each filtering layer is a metal filtering layer.

The metal filtering layer is mainly made of metal porous materials sintered by metal powder and is a foldable flexible metal film with the thickness of 0.1-0.15 mm. The metal filter layer contains a reticular framework and a powder sintered metal porous material filled in the meshes of the framework.

Example 6

Compared with example 5, the air cleaner and the bag filter of the present example have the following differences: the flexible filtering surface 101 comprises a physical filtering layer and a chemical filtering layer, wherein the physical filtering layer and the chemical filtering layer are overlapped front and back along a filtering direction. Adjacent filter layers are attached but not bonded.

The physical filter layer comprises a metal filter layer which is mainly made of metal powder sintered into a metal porous material and is a foldable flexible metal film with the thickness of 0.1-0.15 mm. The metal filter layer contains a reticular framework and a powder sintered metal porous material filled in the meshes of the framework.

The chemical filter layer comprises a formaldehyde decomposition catalyst felt of at least one catalyst that catalyzes the decomposition of formaldehyde; the catalyst for catalyzing and decomposing formaldehyde mainly comprises MnO in a crystal form₂Formed submicron-micron petal-shaped particles, the diameters of the submicron-micron petal-shaped particles are mainly distributed between 0.5 and 5 microns.

And superposing the metal filter layer and the formaldehyde decomposition catalytic felt and then folding to obtain the flexible filter surface 101.

Further features can be found in the formaldehyde decomposition catalyst, formaldehyde decomposition catalyst felt and filter material of the chinese invention patent application No. 2019106304662, 2019, 7/12/h, entitled "formaldehyde decomposition catalyst, formaldehyde catalytic decomposition felt and method for making same".

The contents of the present invention have been explained above. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Based on the above-mentioned contents of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Claims

1. Modular bag filter, its characterized in that: comprises that

The filter assembly comprises a flexible filter surface (101) and a rigid frame (102) connected with the periphery of the flexible filter surface (101);

the support frame (200), the support frame (200) have make inside and outside mounting groove (201) that switches on of support frame (200), flexible filter surface (101) are in filter component inserts behind mounting groove (201) with the inside and the outside wall of support frame (200).

2. The modular bag filter of claim 1, wherein: the mounting groove (201) is vertically arranged so that the filter assembly is inserted into the mounting groove (201) from the upper portion of the support frame (200) downward.

3. The modular bag filter of claim 2, wherein: the vertical periphery of the support frame (200) is provided with the mounting grooves (201).

4. A combined bag filter as claimed in claim 3, wherein: the filter assembly is plate-type and the number of the filter assembly is matched with that of the mounting grooves (201).

5. A combined bag filter as claimed in claim 3, wherein: the filter component is of an integrated tubular structure, and the cross section of the filter component is circular or rectangular.

6. The modular bag filter of claim 1, wherein: the flexible filtering surface (101) is folded; and/or the flexible filtering surface (101) is formed by overlapping a plurality of filtering layers.

7. The combined bag filter of claim 6, wherein: the flexible filter surface (101) comprises a physical filter layer and/or a chemical filter layer.

8. The modular bag filter of claim 1, wherein: the sealing structure is at least arranged on the contact surface of the mounting groove (201) and the rigid frame (102).

9. The modular bag filter of claim 8, wherein: the sealing structure comprises an elastic sealing strip (104) arranged on the contact surface of the mounting groove (201) and the rigid frame (102); and/or the sealing structure comprises a buckle connecting the non-contact surface of the support frame (200) and the rigid frame (102).

10. A filtering device comprises a bag filter (32) and a pore plate (33), wherein the open end of the bag filter (32) is connected with a through hole of the pore plate (33), gas to be filtered below the pore plate (33) enters above the pore plate (33) through the inside of the bag filter (32) after being filtered by the bag filter (32), and the filtering device is characterized in that: the bag filter (32) is a combined bag filter according to any one of claims 1-9.