CN219764855U - Waste gas filtering device - Google Patents

Abstract

The utility model relates to an exhaust gas filtering device, which comprises a filtering tank and filtering cotton, wherein the filtering cotton is positioned in the filtering tank, an air inlet pipe and an air outlet pipe are respectively arranged on the filtering tank on the upper side and the lower side of the filtering cotton, a filtering cavity and a cleaning cavity which are isolated from each other are arranged in the filtering tank, the filtering cotton can enter the cleaning cavity from the filtering cavity under the drive of a driving mechanism, a high-pressure air pipe is arranged in the cleaning cavity and is used for cleaning the filtering cotton, the exhaust gas is introduced into the filtering cavity and is discharged after the filtering cotton is filtered, after the filtering cotton is used for a period of time, the driving mechanism can drive the filtering cotton to enter the cleaning cavity to be blown and cleaned by the high-pressure air pipe, and then the filtering cotton enters the filtering cavity to continue the filtering operation without manual replacement, so that the maintenance efficiency can be greatly improved, the filtering cotton can be reused, and the equipment cost can be reduced.

Description

Waste gas filtering device

Technical Field

The present utility model relates to the field of exhaust gas treatment, and more particularly, to an exhaust gas filtering device.

Background

Along with the increase of environmental protection, the treatment standard of waste water and waste gas is more and more strict, and the waste gas contains a large amount of solid particles, so that the waste gas needs to be filtered and then is subjected to subsequent treatment.

In the prior art, a filter box containing filter cotton or activated carbon is generally adopted for the filtering treatment of waste gas, the filter box adsorbs solid particles to the activated carbon or the filter cotton, and a filter element needs to be replaced after a period of use so as to ensure normal filtration. The replacement process often needs to be stopped, and the replacement is performed manually, so that time and labor are wasted, and the filtration efficiency is greatly reduced due to frequent stopping.

Therefore, there is a need for a new exhaust gas filtering device that can solve the above-mentioned problems.

Disclosure of Invention

An object of the present utility model is to solve the problems that the existing exhaust gas filtering device needs to frequently replace filter cotton, takes time and effort and reduces filtering efficiency.

According to one aspect of the utility model, an exhaust gas filtering device is provided, which comprises a filtering tank and filtering cotton, wherein the filtering cotton is positioned in the filtering tank, an air inlet pipe and an air outlet pipe are respectively arranged on the filtering tank on the upper side and the lower side of the filtering cotton, a filtering cavity and a cleaning cavity which are isolated from each other are arranged in the filtering tank, the filtering cotton can enter the cleaning cavity from the filtering cavity under the drive of a driving mechanism, and a high-pressure air pipe is arranged in the cleaning cavity and is used for cleaning the filtering cotton.

Through this scheme, waste gas lets in the filter chamber, discharges after the filtration of filter pulp, and after using a period, actuating mechanism can drive filter pulp and get into the clearance chamber, by the clearance of blowing of high-pressure gas pipe, reentrant filter chamber is continued and is filtered the operation, need not manual replacement, can improve maintenance efficiency greatly, can make filter pulp reuse moreover, reduction in equipment cost.

Preferably, the filter chamber and the cleaning chamber are all arranged vertically; the filter cotton is circular, the plane where the filter cotton is located is transversely cut through the filter cavity and the cleaning cavity, and the driving mechanism drives the filter cotton to rotate.

Through this scheme, circular shape filter pulp can make a part be arranged in clearance chamber in-process, and another part is arranged in the filter chamber and continues to filter, realizes not shutting down and maintains, further improves filtration efficiency.

Preferably, the filter cotton is fixed in a disc-shaped fixing frame, a plurality of filter holes are formed in the fixing frame to enable the filter cotton to be communicated with the upper side and the lower side of the fixing frame, and the driving mechanism drives the fixing frame to rotate.

Through this scheme, the mount can play the supporting role to the filter pulp, conveniently carries out rotary operation to it, guarantees that it is in the best filtration shape all the time.

Preferably, the driving mechanism is a driving motor and a rotating shaft, and the driving motor is connected with the middle shaft of the fixing frame through the rotating shaft.

Through this scheme, driving motor can be in the filtration jar top, drives the mount.

Preferably, sealing strips are arranged on the inner walls of the filter cavity and the cleaning cavity, and the sealing strips are arranged on the upper side and the lower side of the fixing frame and are clung to the fixing frame.

Through this scheme, make the sealing strip shelter from sealedly to the gap between the mount, guarantee to filter waste gas and can only reach the opposite through the filter pulp, improve filterable reliability.

Preferably, the high-pressure air pipe is connected to a cleaning disc, and a plurality of air holes are formed in one side, facing the filter cotton, of the cleaning disc.

Through this scheme, the area of blowing can be increased to the clearance dish to guarantee the clearance effect to the filter pulp.

The waste gas filtering device has the technical effects that the driving mechanism is utilized to move the filter cotton into the cleaning cavity for cleaning, and meanwhile, the other side of the filter cotton is kept for filtering operation, so that the waste gas filtering device can realize maintenance operation without stopping, and the waste gas filtering efficiency is greatly improved.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic view of an exhaust gas filtering apparatus according to an embodiment of the present utility model.

Fig. 2 is a schematic longitudinal sectional view of the exhaust gas filtering device of fig. 1.

Fig. 3 is a schematic cross-sectional structure of the filter tank of fig. 1.

Fig. 4 is a schematic structural view of the fixing frame in fig. 2.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

As shown in fig. 1 to 4, the exhaust gas filtering device in an embodiment of the present utility model includes a filter tank 100 and a filter cotton 210, the filter cotton 210 is located in the filter tank 100, an air inlet pipe 111 and an air outlet pipe 112 are respectively disposed on the filter tank 100 on the upper side and the lower side of the filter cotton 210, a filter cavity 110 and a cleaning cavity 120 which are isolated from each other are disposed in the filter tank 100, the filter cotton 210 can enter the cleaning cavity 120 from the filter cavity 110 under the driving of a driving mechanism 230, a high-pressure air pipe 121 is disposed in the cleaning cavity 120, the high-pressure air pipe 121 is used for cleaning the filter cotton 210, and a balance air pipe is also disposed on the cleaning cavity 120 on the other side of the filter cotton 210 so as to balance the pressure in the cleaning cavity 120.

A cleaning window 123 is further provided at the bottom of the cleaning chamber 120, and the cleaning window 123 cleans the waste blown off from the cleaning chamber 120.

Through this scheme of this embodiment, waste gas lets in the bottom and gets into filter chamber 110, discharges after the filtration of filter pulp 210, and after using a period, actuating mechanism 230 can drive filter pulp 210 and get into clearance chamber 120, blows the clearance downwards through the top by high-pressure air pipe 121, reentrant filter chamber 110 continues to filter the operation, need not the manual replacement, can improve maintenance efficiency greatly, can make filter pulp 210 reuse moreover, reduction in equipment cost.

In one embodiment of the present utility model, the filter chamber 110 and the cleaning chamber 120 are vertically arranged; the filter element 210 is circular and has a plane transverse to the filter chamber 110 and the cleaning chamber 120, and the drive mechanism 230 rotates the filter element 210. The circular filter cotton 210 can enable one part to be located in the cleaning process in the cleaning cavity 120, and the other part to be located in the filter cavity 110 for continuous filtration, so that maintenance without shutdown is realized, and the filtration efficiency is further improved.

In an embodiment of the present utility model, the filter cotton 210 is fixed to a disk-shaped fixing frame 220, a plurality of filter holes 221 are formed on the fixing frame 220 to connect the filter cotton 210 to the upper and lower sides of the fixing frame 220, and the driving mechanism 230 drives the fixing frame 220 to rotate. The fixing frame 220 can support the filter cotton 210, so that the filter cotton can be conveniently rotated, and the filter cotton is always in an optimal filter shape.

In an embodiment of the present utility model, the driving mechanism 230 is a driving motor and a rotating shaft, and the driving motor is connected to the central shaft of the fixing frame 220 through the rotating shaft. A driving motor may be provided at the top of the filter tank 100 to drive the fixing frame 220.

In an embodiment of the present utility model, sealing strips 101 are disposed on inner walls of the filter chamber 110 and the cleaning chamber 120, and the sealing strips 101 are disposed on upper and lower sides of the fixing frame 220 and are tightly attached to the fixing frame 220. The sealing strip 101 can shield and seal the gap between the sealing strip 101 and the fixing frame 220, so that the filtered waste gas can only reach the opposite side through the filter cotton 210, and the filtering reliability is improved.

In one embodiment of the present utility model, the high pressure air pipe 121 is connected to the cleaning disc 122, and the cleaning disc 122 is provided with a plurality of air holes on a side facing the filter cotton 210. The cleaning disc 122 can increase the blowing area, thereby ensuring the cleaning effect on the filter cotton.

The technical effect of this embodiment lies in, utilizes actuating mechanism to remove the filter pulp and clear up in the chamber, keeps the filter pulp opposite side to carry out the filter operation simultaneously, makes this exhaust gas filter equipment can realize the maintenance operation of not stopping, has improved the filtration efficiency of waste gas greatly.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (6)

1. The utility model provides an exhaust gas filter device, includes filter tank and filter pulp, the filter pulp is located in the filter tank, be provided with intake pipe and blast pipe on the filter tank of both sides about the filter pulp respectively, its characterized in that, be provided with mutually isolated filter chamber and clearance chamber in the filter tank, the filter pulp can follow the filter chamber under actuating mechanism's drive get into clearance chamber, be provided with the high-pressure air pipe in the clearance chamber, the high-pressure air pipe is used for the clearance the filter pulp.

2. The exhaust gas filtering device according to claim 1, wherein the filter chamber and the cleaning chamber are both arranged vertically; the filter cotton is circular, the plane where the filter cotton is located is transversely cut through the filter cavity and the cleaning cavity, and the driving mechanism drives the filter cotton to rotate.

3. The exhaust gas filtering device according to claim 2, wherein the filter cotton is fixed in a disc-shaped fixing frame, a plurality of filter holes are formed in the fixing frame to enable the filter cotton to be communicated with the upper side and the lower side of the fixing frame, and the driving mechanism drives the fixing frame to rotate.

4. The exhaust gas filtering device according to claim 3, wherein the driving mechanism comprises a driving motor and a rotating shaft, and the driving motor is connected with a center shaft of the fixing frame through the rotating shaft.

5. The exhaust gas filtering device according to claim 3, wherein sealing strips are arranged in the filtering cavity and the cleaning cavity, and the sealing strips are arranged on the upper side and the lower side of the fixing frame and are clung to the fixing frame.

6. The exhaust gas filtering device according to claim 1, wherein the high-pressure air pipe is connected to a cleaning disc, and a side of the cleaning disc facing the filter cotton is provided with a plurality of air holes.