CN220736808U - Filter air flow switching device - Google Patents

Abstract

The utility model discloses a filter airflow switching device, and relates to the technical field of dust collectors. The utility model comprises a dust removal box and a connecting bracket, wherein a plurality of filter elements are arranged on the inner side of the dust removal box, a switching motor is clamped at the center of the bottom of the dust removal box, the connecting bracket is clamped at the edge of the bottom of the dust removal box in a rotating way, a plurality of air inlet threaded pipes penetrate through the peripheral surface of the connecting bracket, and a plurality of connecting pipes penetrate through the top of the connecting bracket. The utility model solves the problems that when the air flow switching device of the dust remover is used for switching the air flow each time, a plurality of valves are required to be opened and closed, the valves are easy to wear after long-time use, a fan is required to be additionally arranged for back blowing, the dust remover only has one air inlet, and when waste gas generated by a plurality of production devices is required to be treated, the dust remover or an external air flow switching device is required to be additionally arranged for switching connection ports, so that the occupied space of the dust remover is increased.

Description

Filter air flow switching device

Technical Field

The utility model belongs to the technical field of dust collectors, and particularly relates to a filter air flow switching device.

Background

The dust remover is equipment for separating dust from flue gas, the dust-containing gas is conveyed into the dust removing device through a pipeline gas circuit, after gas-solid separation is carried out in the dust removing device, dust is collected in the dust removing device, clean gas is led into a main pipe or is directly discharged into the whole set of equipment in the atmosphere, the dust remover can be divided into a dry mechanical dust remover, a wet dust remover, a particle layer dust remover, a bag type dust remover, an electric dust remover and the like according to the action principle, wherein the bag type dust remover is a filter bag made of woven filter cloth or non-woven felt, the dust remover filters the dust-containing gas by utilizing the filtering action of fiber fabrics, and the dust remover has the advantages of high dust removing efficiency, simple structure, low cost, high temperature resistance, wide range of processing air quantity and the like, and when the filter bag is used, the filter bag is required to carry out back blowing ash removing to avoid damage of the filter bag and decline of the dust removing efficiency, the dust removing efficiency is normally divided into a plurality of chambers, and other chambers normally filter operation when carrying out back blowing ash removing in one chamber, so that the bag type dust remover is normally provided with an air flow switching device to carry out the position of the air flow switching device, so that the dust removing device still has the defects in practice that the dust removing device is used in the following:

when the dust remover is used for carrying out back blowing ash removal on one chamber, the air flow switching device is usually required to switch a plurality of valves of the dust remover, the corresponding valves are opened to carry out back blowing on the filter bags to be cleaned, the corresponding valves are switched to replace the filter bags being filtered, so that the structure of the air flow switching device is complex, the valves are required to be opened and closed each time the air flow switching is carried out, the valves are easy to wear after long-time use, the maintenance cost is increased, and a fan is usually required to be arranged to process the filter bags to be cleaned, so that the cost of the dust remover is increased;

the dust remover is usually only provided with an air inlet, carries out filtration treatment to waste gas etc. that a apparatus for producing produced, and the dust remover inboard is usually provided with a plurality of filter bags, handles the waste gas of an air inlet through a plurality of filter bags, although has improved treatment effeciency, when waste gas production volume is less, uses comparatively extravagant while a plurality of filter bags, and when the waste gas that needs to produce a plurality of devices is handled, often needs to set up a plurality of dust removers, or installs air current switching device and a plurality of apparatus for producing and connect, switches the connector of air current switching device according to the apparatus for producing that uses, increases the occupation space of dust remover.

Disclosure of Invention

The utility model aims to provide a filtering air flow switching device, which solves the problems that when air flow switching of a dust remover is carried out every time, a plurality of valves are required to be opened and closed, the valves are easy to wear after long-time use, a fan is required to be additionally arranged for back blowing, the dust remover only has one air inlet, and when waste gas generated by a plurality of production devices is required to be treated, the dust remover or an external air flow switching device is required to be additionally arranged for switching connection ports, so that the occupied space of the dust remover is increased.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a filtering airflow switching device which comprises a dust removing box and a connecting bracket, wherein a plurality of filter cores are arranged on the inner side of the dust removing box, waste gas generated by a plurality of or one production device can be treated through the plurality of filter cores, the flexibility of use is improved, a switching motor is clamped in the center of the bottom of the dust removing box, the switching motor drives the dust removing box to rotate, all filter cores can be driven to synchronously rotate, the filter cores connected with production equipment are switched, the filter cores after long-time use are convenient to clean, the filter cores in use are convenient to replace, the structure is simple, the operation is convenient, a plurality of valves are not required to be opened and closed during each switching, maintenance expenditure is reduced, the connecting bracket is clamped at the edge of the bottom of the dust removing box in a rotating way, a plurality of connecting pipes are welded on the outer peripheral surface of the connecting bracket in a penetrating way, the inner top of the connecting bracket is clamped with a plurality of connecting pipes, one dust remover and a plurality of production devices can be connected, the plurality of different waste gases can be conveniently and simultaneously filtered, the flexibility of the switching devices is improved, the filter cores can be conveniently used, and after the switching devices are conveniently switched, the filter cores are not required to be cleaned, and particles can fall into the bottom of the filter cores through the connecting bracket after the filter cores are switched, and the filter cores are convenient to clean by stacking the particles.

Further, the top of the dust removal box is rotationally clamped with a top cover, an air outlet pipe is welded on one side of the top cover in a penetrating manner, and a plurality of first connecting threaded pipes are welded on the bottom of the inner side of the dust removal box in a penetrating manner;

when the filter core needs to be replaced, can twist the filter core soon through opening the top cap and take out, easy operation is convenient, improves the convenience of use, and an outlet duct of top cap upside is convenient for carry out further treatment together to the waste gas that multiple apparatus for producing produced.

Further, one end of the filter element is welded with a second connecting threaded pipe in a penetrating way, and the second connecting threaded pipe of one filter element is fixed on the peripheral surface of one first connecting threaded pipe in a screwed way;

can drive the rotation of dust removal case through switching the motor, can drive all filter cores and rotate in step, switch the filter core of being connected with production facility, accomplish waste gas and rather than the change of connecting the filter core fast, simple structure, reduce cost.

Further, a hopper is welded at the bottom of the connecting support in a penetrating manner, a supporting frame is welded and fixed at the edge of the bottom surface of the hopper, and a dust outlet pipe is welded at the center of the bottom end of the hopper in a penetrating manner;

particles in the waste gas fall to the inner side of the hopper under the action of gravity, and when the particles need to be cleaned, the particles can be rapidly discharged by opening the dust outlet pipe, so that the particles can be conveniently cleaned in a concentrated mode.

Further, a through hole is formed in the center of the top end of the connecting support in a penetrating manner, the top end of the switching motor is inserted into the inner side of the through hole in a penetrating manner, and the switching motor is clamped into the inner side of the connecting support;

the outside of the switching motor can be provided with a protection structure, the switching motor is protected through the protection structure, scratch to the switching motor caused by particles is avoided, waste gas and the replacement of a filter element connected with the waste gas are rapidly completed through the switching motor, a plurality of valves are prevented from being opened and closed when air flow is switched every time, abrasion caused by the opening and closing of the valves for a plurality of times is avoided, and maintenance expenditure is reduced.

Further, the outer peripheral surface of the air inlet threaded pipe is penetrated and clamped with a first electromagnetic valve, the bottom of the outer peripheral surface of the connecting pipe is penetrated and clamped with a second electromagnetic valve, one end of the air inlet threaded pipe is penetrated and clamped with the top end of the outer peripheral surface of one connecting pipe, the bottom of the dust removing box is tightly attached to the top surface of the connecting bracket, and one first connecting threaded pipe is penetrated and communicated with the inner side of one connecting pipe;

the air inlet threaded pipes can be connected with the production devices, the use flexibility of the switching device is improved, the first electromagnetic valve of the air inlet threaded pipes connected with the production devices is opened before filtering treatment is carried out, the corresponding second electromagnetic valve is closed, waste gas generated by the production devices can be filtered through the filter element, the first electromagnetic valve of the air inlet threaded pipes which are not connected with the production devices is closed, the corresponding second electromagnetic valve is opened, after the filter element after use is switched to the top end of the connecting pipe which is not used for air inlet, the air flow in the dust removal box can be used for carrying out back blowing on blocking particles in the corresponding filter element, so that the particles fall into the hopper through the connecting pipe under the action of gravity and the air flow, no additional blower is required to be arranged for back blowing, and the cost is reduced.

The utility model has the following beneficial effects:

according to the utility model, the problems that when the dust remover is used for carrying out back blowing ash removal on one room, the air flow switching device is usually required to switch a plurality of valves, the corresponding valves are opened to carry out back blowing on filter bags to be cleaned, the corresponding valves are switched to replace the filter bags being filtered, the structure of the air flow switching device is complex, the valves are required to be opened and closed each time when the air flow is switched, the valves are easy to wear and increase maintenance expense, a fan is usually required to be arranged to process the filter bags to be subjected to back blowing, the cost of the dust remover is increased are solved, the dust remover is driven to rotate by the switching motor, all filter elements are further driven to synchronously rotate, and the filter elements connected with production equipment are switched, so that the filter elements after long-time use are convenient to clean, the filter elements which are in use are convenient to replace, the structure is simple, the valves are not required to be opened and closed each time when the valves are opened and closed each time, the wear caused by the valves is avoided, and the maintenance expense is reduced.

The utility model solves the problems that the dust remover is usually provided with only one air inlet for filtering the waste gas generated by one production device and the like, the inner side of the dust remover is usually provided with a plurality of filter bags for treating the waste gas of one air inlet through the plurality of filter bags, the treatment efficiency is improved, the plurality of filter bags are wasted when the waste gas generation amount is small, a plurality of dust removers are needed to be arranged or an air flow switching device is arranged for connecting with a plurality of production devices when the waste gas generated by a plurality of devices is needed to be treated, the connection ports of the air flow switching device are switched according to the used production devices, and the occupied space of the dust remover is increased, A plurality of air inlet screw thread pipes can be connected with one or more apparatus for producing, be convenient for carry out filtration treatment simultaneously to multiple waste gas, improve the flexibility that auto-change over device used, open with the first solenoid valve of the air inlet screw thread pipe that apparatus for producing connected, and make corresponding second solenoid valve close, make the waste gas that apparatus for producing produced can filter through the filter core, the first solenoid valve of the air inlet screw thread pipe of not connecting apparatus for producing closes, and make corresponding second solenoid valve open, after the filter core after using switches to the connecting pipe top that is not used for admitting air, can carry out the blowback to the interior blocking particle of corresponding filter core through the air current in the dust removal case, make the granule fall into in the hopper through the connecting pipe under the effect of gravity and air current, do not need to set up the fan additionally and carry out the blowback, reduce cost.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a structural effect diagram of the present utility model;

FIG. 3 is a block diagram of the dust box of the present utility model;

FIG. 4 is a bottom view of the dust bin of the present utility model;

FIG. 5 is a block diagram of a connecting bracket of the present utility model;

fig. 6 is a cross-sectional view of the connecting bracket of the present utility model.

Reference numerals:

1. a dust removal box; 101. a top cover; 102. switching the motor; 103. a filter element; 104. a first connecting threaded pipe; 105. a second connecting threaded pipe; 106. an air outlet pipe; 2. a connecting bracket; 201. a hopper; 202. an air inlet threaded pipe; 203. a first electromagnetic valve; 204. a support frame; 205. a dust outlet pipe; 206. a connecting pipe; 207. a second electromagnetic valve; 208. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-6, the present utility model is a filter airflow switching device, including a dust removing box 1 and a connecting bracket 2, wherein a plurality of filter cores 103 are disposed inside the dust removing box 1, waste gas is filtered through one or a plurality of filter cores 103, so that solid particles are retained inside the filter cores 103, a switching motor 102 is clamped at the center of the bottom of the dust removing box 1, after a certain time of filtering, the switching motor 102 drives the dust removing box 1 to rotate, all filter cores 103 are further driven to synchronously rotate, and the filter cores 103 connected with production equipment are switched, and simultaneously, the filter cores 103 after a certain time of use are reversely blown by airflow in the dust removing box 1, so that particles fall into the inner side of a hopper 201 under the action of gravity, the bottom edge of the dust removing box 1 is clamped with the connecting bracket 2, the outer peripheral surface of the connecting bracket 2 is penetrated and welded with a plurality of air inlet threaded pipes 202, the top of the connecting bracket 2 is penetrated and clamped with a plurality of connecting pipes 206, a plurality of air inlet threaded pipes 202 are connected with a dust remover and a plurality of production devices, various waste gases are filtered, and after the filter cores 103 are switched, the filter cores 103 are not required to be filtered, and the filtered particles fall into the bottom of the hopper 201 under the action of the connecting pipes 206 through the action of gravity.

As shown in fig. 1-4, the top of the dust removing box 1 is rotationally clamped with a top cover 101, one side of the top cover 101 is penetrated and welded with an air outlet pipe 106, the bottom of the inner side of the dust removing box 1 is penetrated and welded with a plurality of first connecting threaded pipes 104, one end of the filter element 103 is penetrated and welded with a second connecting threaded pipe 105, and the second connecting threaded pipe 105 of one filter element 103 is screwed and fixed on the peripheral surface of one first connecting threaded pipe 104;

during normal use, waste gas enters the inner side of the corresponding filter element 103 through the air inlet threaded pipe 202 and the connecting pipe 206, and is filtered through the filter element 103, the filtered waste gas is discharged through the air outlet pipe 106 and is processed in the next step, when the filter element 103 is used for a certain time, the switching motor 102 drives the dust removal box 1 to rotate, the filter element 103 connected with the waste gas is replaced, and when the filter element 103 is used for a long time, the top cover 101 is opened to screw the filter element 103 out and replace.

As shown in the figure, a hopper 201 is welded at the bottom of the connecting bracket 2, a supporting frame 204 is welded and fixed at the edge of the bottom surface of the hopper 201, a dust outlet pipe 205 is welded at the center of the bottom end of the hopper 201, a through hole 208 is formed at the center of the top end of the connecting bracket 2, the top end of the switching motor 102 is inserted into the inner side of the through hole 208 in a penetrating manner, the switching motor 102 is clamped inside the connecting bracket 2, a first electromagnetic valve 203 is clamped at the periphery of the air inlet threaded pipe 202 in a penetrating manner, a second electromagnetic valve 207 is clamped at the bottom of the periphery of the connecting pipe 206 in a penetrating manner, one end of the air inlet threaded pipe 202 is clamped at the top end of the periphery of the connecting pipe 206 in a penetrating manner, the bottom of the dust removing box 1 is tightly attached to the top surface of the connecting bracket 2, and the first connecting threaded pipe 104 is communicated with the inner side of the connecting pipe 206 in a penetrating manner;

before the waste gas is treated, the tail gas outlets of a plurality of production devices are connected with a plurality of air inlet threaded pipes 202, the air inlet threaded pipes 202 connected with the production devices are not adjacent, the first electromagnetic valves 203 of the air inlet threaded pipes 202 connected with the production devices are controlled to be opened, the corresponding second electromagnetic valves 207 are controlled to be closed, the first electromagnetic valves 203 of the air inlet threaded pipes 202 not connected with the production devices are controlled to be closed, the corresponding second electromagnetic valves 207 are controlled to be opened, when the filter element 103 after use is switched to the upper end of the connecting pipe 206 not connected with the production devices, particles in the waste gas fall to the inner side of the hopper 201 under the action of gravity, and when the particles need to be cleaned, the particles can be rapidly discharged by opening the dust outlet pipe 205.

The specific working principle of the utility model is as follows: before the waste gas is treated, the tail gas outlets of a plurality of production devices are connected with a plurality of air inlet threaded pipes 202, the air inlet threaded pipes 202 connected with the production devices are not adjacent, the first electromagnetic valve 203 of the air inlet threaded pipes 202 connected with the production devices is controlled to be opened, the corresponding second electromagnetic valve 207 is controlled to be closed, the first electromagnetic valve 203 of the air inlet threaded pipes 202 which are not connected with the production devices is controlled to be closed, the corresponding second electromagnetic valve 207 is controlled to be opened, the air outlet pipe 106 is connected with the next treatment device, during normal use, the waste gas enters the inner side of the corresponding filter element 103 through the air inlet threaded pipes 202 and the connecting pipe 206 and is filtered through the filter element 103, the filtered waste gas is discharged through the air outlet pipe 106 and is treated in the next step, when the filter element 103 is used for a certain time, the switching motor 102 drives the dust removal box 1 to rotate, the filter element 103 connected with the waste gas is replaced, particles in the waste gas fall to the inner side of the hopper 201 under the action of gravity when the used filter element 103 is switched to the upper end of the connecting pipe 206 which is not connected with the production devices, after the device is used, the particles can be quickly discharged through the dust removal pipe 205, the filter element 103 is screwed out through the dust removal pipe 103, and the filter element 101 is screwed out after the filter element is used for a long time.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims (6)

1. The utility model provides a filtration air current auto-change over device, includes dust removal case (1) and linking bridge (2), its characterized in that: the novel dust removal device is characterized in that a plurality of filter elements (103) are arranged on the inner side of the dust removal box (1), a switching motor (102) is clamped at the center of the bottom of the dust removal box (1), a connecting support (2) is clamped at the edge of the bottom of the dust removal box (1) in a rotating mode, a plurality of air inlet threaded pipes (202) are welded on the outer peripheral surface of the connecting support (2) in a penetrating mode, and a plurality of connecting pipes (206) are clamped at the inner top of the connecting support (2) in a penetrating mode.

2. A filtered air flow switching device as claimed in claim 1, wherein: the top of the dust removal box (1) is rotationally clamped with a top cover (101), an air outlet pipe (106) is welded on one side of the top cover (101) in a penetrating mode, and a plurality of first connecting threaded pipes (104) are welded on the bottom of the inner side of the dust removal box (1) in a penetrating mode.

3. A filtered air flow switching device as claimed in claim 2, wherein: one end of the filter element (103) is welded with a second connecting threaded pipe (105) in a penetrating mode, and one second connecting threaded pipe (105) of the filter element (103) is fixed on the outer peripheral surface of one first connecting threaded pipe (104) in a screwed mode.

4. A filtered air flow switching device as claimed in claim 1, wherein: the bottom of the connecting support (2) is penetrated and welded with a hopper (201), the bottom edge of the hopper (201) is welded and fixed with a supporting frame (204), and the center of the bottom end of the hopper (201) is penetrated and welded with a dust outlet pipe (205).

5. A filtered air flow switching device as claimed in claim 1, wherein: the center of the top end of the connecting support (2) is provided with a through hole (208) in a penetrating mode, the top end of the switching motor (102) is inserted into the inner side of the through hole (208) in a penetrating mode, and the switching motor (102) is clamped to the inner side of the connecting support (2).

6. A filtered air flow switching device as claimed in claim 2, wherein: the utility model discloses a dust removal box, including connecting support (2) top surface, dust removal box (1), air inlet screw pipe (202) outer peripheral face runs through the joint has first solenoid valve (203), the joint has second solenoid valve (207) to run through in connecting pipe (206) outer peripheral face bottom, one air inlet screw pipe (202) one end runs through the joint in connecting pipe (206) outer peripheral face top, dust removal box (1) bottom is hugged closely in connecting support (2) top surface, one first connecting screw pipe (104) and connecting pipe (206) inboard run through the intercommunication.