CN216223481U - Self-cleaning formula air cleaner blowback system - Google Patents

Abstract

The utility model discloses a back-blowing system of a self-cleaning air filter, and relates to the technical field of air filtration. This self-cleaning formula air cleaner blowback system, including outer frame, the below on outer frame positive surface is provided with the first filter screen, the inner chamber of outer frame is through first filter screen and external intercommunication, the top on outer frame right side is run through and is provided with the filtration pipeline of giving vent to anger, the inner chamber of outer frame and the top that is located the first filter screen are provided with the fixed plate. This self-cleaning formula air cleaner blowback system, through addding the toper baffle and adopting multiunit filtration as filtration, guarantee the filter effect simultaneously, the dust can not flow between the filter core of difference under the sheltering from of toper baffle during blowback operation, fine assurance blowback efficiency, the improvement through filtration and the use of diaphragm energy storage ware simultaneously for atmospheric pressure when filtration operation and blowback operation is steady relatively, fine assurance filtration and the efficiency of blowback operation.

Description

Self-cleaning formula air cleaner blowback system

Technical Field

The utility model relates to the technical field of air filtration, in particular to a back-blowing system of a self-cleaning air filter.

Background

In the air filtering process, an air filter is sometimes used as an air filtering device to perform air filtering operation, and during the use of the air filter, there are two main operations, namely filtering operation (air purifying operation) and back-blowing operation (filter cleaning operation), wherein the back-blowing operation needs to be realized by using a back-blowing system.

Air cleaner blowback system among the prior art adopts single top blowback filter paper down, and the air current is not of uniform size at the blowing power at filter core both ends, and the blowback operation is inhomogeneous to make the effect of blowback operation not good (the dust on the filter is difficult to the clearance), be difficult to fine user's of satisfying user's user demand.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a self-cleaning type air filter back-blowing system, which solves the problems that in the air filter back-blowing system in the prior art, single top-downward back-blowing filter paper is adopted, the blowing forces of air flow at two ends of a filter element are different, the back-blowing operation is uneven, the back-blowing operation effect is poor (dust on the filter is difficult to clean), and the use requirements of users are difficult to meet well.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a self-cleaning air filter back-blowing system comprises an outer frame, wherein a primary filter screen is arranged below the front surface of the outer frame, an inner cavity of the outer frame is communicated with the outside through the primary filter screen, a filter air outlet pipeline is arranged at the top of the right side of the outer frame in a penetrating manner, a fixed plate is arranged in the inner cavity of the outer frame and above the primary filter screen, a membrane energy accumulator is arranged at the top of the fixed plate through a mounting frame, a back-washing air inlet pipeline is communicated with the left side of the membrane energy accumulator, one end, far away from the membrane energy accumulator, of the back-washing air inlet pipeline penetrates through the left side of the outer frame and extends to the outside of the outer frame, a filter structure is communicated with the inner cavity of the outer frame and below the membrane energy accumulator, the filter structures are relatively fixed on the fixed plate, the number of the filter structures is four or more, and a conical baffle is fixedly arranged at the bottom of the fixed plate and between every two filter structures, the smaller end of the conical baffle is vertically downward;

the filtering structure comprises a pulse electromagnetic valve, one end of the pulse electromagnetic valve is communicated with the membrane energy accumulator, the other end of the pulse electromagnetic valve is communicated with a conical blowback pipe which is arranged on the fixed plate in a penetrating way, an upper sealing plate is arranged on the surface of the conical back-blowing pipe and below the fixing plate, an upper opening matched with the upper sealing plate is arranged on the fixing plate, the bottom end of the conical back-blowing pipe is provided with a threaded rod, the surface of the threaded rod is sleeved with a lower sealing plate, a fixing nut is sleeved on the surface of the threaded rod and positioned below the lower sealing plate, filter paper is arranged between the lower sealing plate and the upper sealing plate, the filter paper, the lower sealing plate and the upper sealing plate are spliced to form a space, the space is communicated with an inner cavity of the outer frame through an upper opening, the conical back-blowing pipe is arranged in the space, and a through hole is formed in the conical back-blowing pipe.

Preferably, the included angle between the two side surfaces of the conical baffle plate and the horizontal plane is 87.5 degrees.

Preferably, the through holes are communicated with the outer part and the inner cavity of the conical blowback pipe, the through holes face downwards, the included angle of the straight lines where the through holes are located relative to the horizontal plane is 40 degrees, and the distance between every two adjacent through holes is equal.

(III) advantageous effects

The utility model provides a back-blowing system of a self-cleaning air filter. The method has the following beneficial effects:

this self-cleaning formula air cleaner blowback system, through addding the toper baffle and adopting multiunit filtration as filtration, guarantee the simultaneous of filter effect, the dust can not flow between the filter core of difference under the sheltering from of toper baffle during blowback operation (landing to device bottom downwards under the effect of toper baffle), fine assurance blowback efficiency, simultaneously through filtration's improvement and the use of diaphragm energy storage ware, atmospheric pressure when making filtration operation and blowback operation is steady relatively, fine assurance filter and blowback operation's efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a filter structure according to the present invention.

In the figure: 1. an outer frame; 2. primary filtering net; 3. a fixing plate; 4. a mounting frame; 5. a diaphragm accumulator; 6. backwashing the air inlet pipeline; 7. a filter structure; 71. a pulse electromagnetic valve; 72. a conical blowback pipe; 73. filtering paper; 74. a threaded rod; 75. fixing a nut; 76. an upper sealing plate; 77. a lower sealing plate; 78. an upper opening; 8. a conical baffle; 9. and filtering the air outlet pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a self-cleaning formula air cleaner blowback system, includes outer frame 1, and the below on outer frame 1 positive surface is provided with just filter screen 2, and outer frame 1's inner chamber communicates its characterized in that through just filter screen 2 with the external world: a filtering air outlet pipeline 9 penetrates through the top of the right side of the outer frame 1, a fixing plate 3 is arranged in an inner cavity of the outer frame 1 and above the primary filtering net 2, a membrane energy accumulator 5 is mounted at the top of the fixing plate 3 through a mounting frame 4, a backwashing air inlet pipeline 6 is communicated with the left side of the membrane energy accumulator 5, one end, far away from the membrane energy accumulator 5, of the backwashing air inlet pipeline 6 penetrates through the left side of the outer frame 1 and extends to the outside of the outer frame 1, a filtering structure 7 is communicated with the inner cavity of the outer frame 1 and below the membrane energy accumulator 5, the filtering structures 7 are relatively fixed on the fixing plate 3, the number of the filtering structures 7 is four or more, a conical baffle 8 is fixedly arranged at the bottom of the fixing plate 3 and between every two filtering structures 7, the included angle of two side faces of the conical baffle 8 relative to the horizontal plane is 87.5 degrees, and the smaller end of the conical baffle 8 faces downwards vertically;

the filtering structure 7 comprises a pulse electromagnetic valve 71, one end of the pulse electromagnetic valve 71 is communicated with the diaphragm accumulator 5, the other end of the pulse electromagnetic valve 71 is communicated with a conical blowback pipe 72, the conical blowback pipe 72 is arranged on the fixing plate 3 in a penetrating manner, an upper sealing plate 76 is arranged on the surface of the conical blowback pipe 72 and below the fixing plate 3, an upper opening 78 matched with the upper sealing plate 76 is arranged on the fixing plate 3, a threaded rod 74 is arranged at the bottom end of the conical blowback pipe 72, a lower sealing plate 77 is sleeved on the surface of the threaded rod 74, a fixing nut 75 is sleeved on the surface of the threaded rod 74 and below the lower sealing plate 77, filter paper 73 is arranged between the lower sealing plate 77 and the upper sealing plate 76, the filter paper 73, the lower sealing plate 77 and the upper sealing plate 76 are spliced into a space, the space is communicated with the inner cavity of the outer frame 1 through the upper opening 78, and the conical blowback pipe 72 is arranged in the space, the conical blowback pipe 72 is provided with through holes which are communicated with the outside and the inner cavity of the conical blowback pipe 72, the through holes face downwards, the included angle of the straight lines of the through holes relative to the horizontal plane is 40 degrees, and the distance between every two adjacent through holes is equal.

When the backwashing filter works, the backwashing air pump is communicated with one end, away from the diaphragm energy accumulator, of the backwashing air inlet pipeline, and the filtering air pump is communicated with one end, located outside the outer frame, of the filtering air outlet pipeline;

when the filtering operation is carried out, the system closes the pulse electromagnetic valve, so that gas passes through the primary filter screen, the filter paper, the upper opening and the filtering gas outlet pipeline in sequence, and the filtering operation is carried out under the action of the primary filter screen and the filter paper;

when back flushing operation is carried out, the system opens the pulse electromagnetic valve, the back flushing air pump provides air, so that the air sequentially passes through the back flushing air inlet pipeline, the diaphragm energy accumulator, the pulse electromagnetic valve, the conical back flushing pipe, the filter paper and the primary filter screen, and dust on the filter paper is discharged at the same time, wherein the air enters the diaphragm energy accumulator through the air inlet pipe and enters the conical back flushing pipe through the electromagnetic valve, reverse air blowing is carried out from the inside to the outside of the filter element, and the dust falls to the ground under the action of the baffle plate, so that the dust cannot flow among different filter elements;

simultaneously because the through-hole from top to bottom evenly arranges, guarantees that every place of filter paper can both blow, because the place that the air supply was kept away from to toper blowback pipe diameter is little, and the air current can be compressed, leads to the increase of blowing power, has guaranteed that the pressure that the toper blowback pipe blew off is even, and the blowback is very even, and the blowback effect is better.

To sum up, this self-cleaning formula air cleaner blowback system, through addding the toper baffle and adopting multiunit filtration as filtration, guarantee the filter effect simultaneously, the dust can not flow between the filter core of difference under the sheltering from of toper baffle during the blowback operation (landing to device bottom downwards under the effect of toper baffle), fine assurance blowback efficiency, the improvement through filtration and the use of diaphragm energy storage ware simultaneously, atmospheric pressure when making filtration operation and blowback operation is steady relatively, fine assurance filter and blowback operation's efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a self-cleaning formula air cleaner blowback system, includes outer frame (1), the below on outer frame (1) positive surface is provided with first filter screen (2), the inner chamber of outer frame (1) is through first filter screen (2) and external intercommunication, its characterized in that: the filter screen is characterized in that a filter gas outlet pipeline (9) penetrates through the top of the right side of the outer frame (1), a fixing plate (3) is arranged in an inner cavity of the outer frame (1) and above the primary filter screen (2), a membrane energy accumulator (5) is mounted at the top of the fixing plate (3) through a mounting frame (4), a backwash gas inlet pipeline (6) is communicated with the left side of the membrane energy accumulator (5), one end, far away from the membrane energy accumulator (5), of the backwash gas inlet pipeline (6) penetrates through the left side of the outer frame (1) and extends to the outside of the outer frame (1), a filter structure (7) is communicated with the inner cavity of the outer frame (1) and below the membrane energy accumulator (5), the filter structures (7) are relatively fixed on the fixing plate (3), the number of the filter structures (7) is four or more, a conical baffle plate (8) is fixedly arranged at the bottom of the fixing plate (3) and between every two filter structures (7), the smaller end of the conical baffle (8) is vertically downward;

the filtering structure (7) comprises a pulse electromagnetic valve (71), one end of the pulse electromagnetic valve (71) is communicated with the diaphragm energy accumulator (5), the other end of the pulse electromagnetic valve (71) is communicated with a conical back-blowing pipe (72), the conical back-blowing pipe (72) is arranged on the fixing plate (3) in a penetrating manner, an upper sealing plate (76) is arranged on the surface of the conical back-blowing pipe (72) and below the fixing plate (3), an upper opening (78) matched with the upper sealing plate (76) is formed in the fixing plate (3), a threaded rod (74) is arranged at the bottom end of the conical back-blowing pipe (72), a lower sealing plate (77) is sleeved on the surface of the threaded rod (74), a fixing nut (75) is sleeved on the surface of the threaded rod (74) and below the lower sealing plate (77), and filter paper (73) is arranged between the lower sealing plate (77) and the upper sealing plate (76), the filter paper (73), the lower sealing plate (77) and the upper sealing plate (76) are spliced to form a space, the space is communicated with an inner cavity of the outer frame (1) through an upper opening (78), the conical blowback pipe (72) is arranged in the space, and a through hole is formed in the conical blowback pipe (72).

2. A self-cleaning air filter blowback system of claim 1, wherein: the included angle of two side surfaces of the conical baffle (8) relative to the horizontal plane is 87.5 degrees.

3. A self-cleaning air filter blowback system of claim 1, wherein: the through holes are communicated with the outer part and the inner cavity of the conical blowback pipe (72), the through holes face downwards, the included angle of the straight lines where the through holes are located relative to the horizontal plane is 40 degrees, and the distance between every two adjacent through holes is equal.

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