CN216769671U

CN216769671U - People's air defense gas particulate filter with dust removal function

Info

Publication number: CN216769671U
Application number: CN202123186082.8U
Authority: CN
Inventors: 王吉平; 张涛
Original assignee: Cathay Pacific Air Defence Equipment Co ltd
Current assignee: Cathay Pacific Air Defence Equipment Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-17
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a civil air defense filter absorber with a dust removal function, which relates to the field of the civil air defense filter absorber, wherein a pipe body communicated with an air inlet pipe and an air inlet is arranged in a dust removal box, a plurality of obliquely arranged single-layer dust filtering nets and double-layer dust filtering nets are arranged towards the middle part of an inner arm of the pipe body, the plurality of single-layer dust filtering nets and the double-layer dust filtering nets are arranged at equal intervals, the single-layer dust filtering nets are arranged on two sides of the pipe body, the double-layer dust filtering nets are arranged between the single-layer dust filtering nets, a return air duct for air current to return is formed between the adjacent double-layer dust filtering nets, dust-containing air current firstly carries out one-time dust interception through the single-layer dust filtering nets and a windward side filter screen, the dust-containing air current is guided to the other half cavity from one half cavity of the pipe body through a wind shield, then the dust-containing air current carries out certain degree of return towards the backward direction through the return air duct, so that the dust-containing air current is intercepted by the leeward side filter net again, thereby repeatedly realizing the effect of dust interception in the pipe body with limited length, the dust-collecting efficiency is improved.

Description

People's air defense gas particulate filter with dust removal function

Technical Field

The utility model relates to the field of civil air defense filter absorbers, in particular to a civil air defense filter absorber with a dust removal function.

Background

Civil air defense engineering also called civil air defense engineering refers to underground protective buildings which are independently built for guaranteeing personnel and material shelter, civil air defense command and medical rescue in wartime and basements which are built by combining ground buildings and can be used for air defense in wartime.

People's air defense absorber is the important equipment in the civil air defense engineering virus-related ventilation system, it can effectual filtration contamination in the air poison cigarette, harmful substance such as radioactive dust, clean air after providing the filtration for the inside personnel of civil air defense engineering, in emergency, outside dust is several times of dust under the daily environment, it can't satisfy only to lean on the absorber to filter the dirt, need install extra dust collector additional at people's air inlet of absorber, because the space of some underground protection building installation absorber is limited, when the dust collector that requires to install additional can not the occupation space too big, still need guarantee the filter effect of smoke and dust.

In order to solve the problems, the utility model provides a civil air defense filter absorber with a dust removal function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a civil air defense filter absorber with a dust removal function, a pipe body communicated with an air inlet pipe and an air inlet is arranged in a dust removal box, a plurality of obliquely arranged single-layer dust filtering nets and double-layer dust filtering nets are arranged towards the middle of the inner arm of the pipe body, the plurality of single-layer dust filtering nets and the double-layer dust filtering nets are arranged at equal intervals, the single-layer dust filtering nets are arranged on two sides of the pipe body, the double-layer dust filtering nets are arranged between the single-layer dust filtering nets, a backflow air channel for air current backflow is formed between the adjacent double-layer dust filtering nets, dust-containing air current firstly carries out one-time dust interception through the single-layer dust filtering nets and a windward side filter net, the dust-containing air current is guided to the other half cavity from one half cavity of the pipe body through a wind shield, then carries out backflow to a certain degree in the backward direction through the backflow air channel, and is enabled to be filtered by a leeward side filter net again, thereby repeatedly realizing the effect of dust interception in the pipe body with limited length, the dust-collecting efficiency is improved, thereby solving the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a people's air defense gas filter with dust removal function, air inlet and gas outlet including people's air defense gas filter and people's air defense gas filter both ends, be equipped with the dust removal case on the air inlet, the external intake pipe of dust removal case, the external outlet duct of gas outlet, be equipped with a body that communicates with intake pipe and air inlet in the dust removal case, the body inner arm is equipped with the individual layer dust screen and the double-deck dust screen that a plurality of slopes were arranged towards the middle part, a plurality of individual layer dust screens and double-deck dust screen equidistance range, it is the individual layer dust screen to be in the body both sides, it is double-deck dust screen to be in between the individual layer dust screen, individual layer dust screen and double-deck dust screen slope towards air inlet one side direction, double-deck dust screen is including setting up leeward side filter screen and the windward side filter screen in the deep bead both sides, form the backward flow wind channel that supplies the air current backward flow between the adjacent double-deck dust screen.

Further, the single-layer dust filter screen and the double-layer dust filter screen in the pipe body can vibrate.

Further, the manner in which the single layer dust filter screen and the double layer dust filter screen can vibrate is caused by the knocking of foreign objects.

Furthermore, a rotatable rotating shaft is arranged on the central axis of the pipe body, knocking balls are connected to the rotating shaft through a plurality of uniformly distributed throwing lines, and the rotating shaft can knock the single-layer dust filter screen and the double-layer dust filter screen through the knocking balls when rotating.

Furthermore, one end of the rotating shaft, which is close to the air inlet pipe, is sleeved with a fan blade, one end of the rotating shaft, which is far away from the fan blade, is rotatably connected with a bearing, and the bearing is fixed on the air inlet through uniformly distributed mounting rods.

Compared with the prior art, the utility model has the following beneficial effects:

dusty air current carries out once through individual layer dirt screen and windward side filter screen and cuts dirt, and dusty air current can not pass through the windward side filter screen, leads dusty air current to another half chamber from a half chamber of body through the deep bead, then carries out certain degree backward flow with dusty air current towards the rear direction through the return air duct, makes it once again by the back of the wind side filter screen and holds back to can realize the effect of holding back to the dust many times in the body of limited length repeatedly, improve and cut dirt efficiency.

Drawings

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

FIG. 2 is a sectional view of a dust box according to the present invention;

FIG. 3 is a schematic structural view of a double-layer dust filter of the present invention;

fig. 4 is a schematic view of the installation structure of the rotating shaft in the present invention.

In the figure: 1. a civil air defense filter absorber; 101. an air inlet; 2. a dust removal box; 3. an air inlet pipe; 5. an air outlet pipe; 6. a rotating shaft; 7. a tube body; 8. a fan blade; 9. throwing the wire; 10. knocking the beads; 11. a single layer dust filtration net; 12. a double-layer dust filtering net; 121. a leeward side filter screen; 122. a windward side filter screen; 123. a wind deflector.

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. 1-4, a civil air defense filter absorber with dust removal function comprises a civil air defense filter absorber 1, an air inlet 101 and an air outlet at two ends of the civil air defense filter absorber 1, a dust removal box 2 arranged on the air inlet 101, an air inlet pipe 3 connected to the dust removal box 2, an air outlet pipe 5 connected to the air outlet, a pipe body 7 communicated with the air inlet pipe 3 and the air inlet 101 arranged in the dust removal box 2, a plurality of single-layer dust filtration nets 11 and double-layer dust filtration nets 12 arranged obliquely towards the middle of the inner arm of the pipe body 7, a plurality of single-layer dust filtration nets 11 and double-layer dust filtration nets 12 arranged at equal intervals, the single-layer dust filtration nets 11 arranged at two sides of the pipe body 7, the double-layer dust filtration nets 12 arranged between the single-layer dust filtration nets 11, the single-layer dust filtration nets 11 and the double-layer dust filtration nets 12 inclined towards one side of the air inlet 101, the double-layer dust filtration nets 12 comprising a leeward side filter net 121 and a windward side filter net 122 arranged at two sides of a wind shield 123, form the backward flow wind channel that supplies the air current backward flow between the adjacent double-deck dirt filtrating screen 12, the dusty air current firstly carries out once through individual layer dirt filtrating screen 11 and windward side filter screen 122 and cuts dirt, and the dusty air current can not be through windward side filter screen 122, guide dusty air current to another half chamber from a half chamber of body 7 through deep bead 123, then carry out certain degree's backward flow with dusty air current through backward flow wind channel towards the rear direction, make it once more by leeward side filter screen 121 and hold back, thereby can realize repeatedly many times in body 7 of limited length to the effect of holding back of dust, improve and cut dirt efficiency.

The single layer dust filter 11 and the double layer dust filter 12 in the pipe body 7 can vibrate.

The single layer dust filter 11 and the double layer dust filter 12 can vibrate due to the knocking of foreign objects.

The rotary shaft 6 is arranged on the central axis of the pipe body 7, the rotary shaft 6 is connected with a knocking bead 10 through a plurality of uniformly distributed throwing wires 9, the rotary shaft 6 can knock the surfaces of the single-layer dust filter net 11 and the double-layer dust filter net 12 through the knocking bead 10 when rotating, so that dust deposited on the single-layer dust filter net 11 and the double-layer dust filter net 12 can be vibrated down and then converged into the air flow again, the aim is to prevent the air flow from being blocked by the single-layer dust filter net 11 and the double-layer dust filter net 12, but the dust is always in the pipe body 7, only when the air flow passes through, the flow speed of the air flow is improved as much as possible, after the air flow stops, the dust is deposited on the single-layer dust filter net 11 and the double-layer dust filter net 12, particularly, the more the dust is deposited on the single-layer dust filter net 11 and the double-layer dust filter net 12 which are closer to one side of the air inlet 101, and the pipe body 7 is periodically drawn out for cleaning.

The one end cover that pivot 6 is close to intake pipe 3 is equipped with flabellum 8, and the one end that flabellum 8 was kept away from to pivot 6 rotates the connection bearing, and the bearing is fixed on air inlet 101 through the installation pole of equipartition, can promote the flabellum 8 with the help of the air current and drive pivot 6 rotatory to the realization is beaten beating of pearl 10, need not with the help of external force, has reached certain energy-conserving effect.

To sum up: the dirty air current firstly carries out a cut dirt through individual layer dirt screen 11 and windward filter screen 122, and dirty air current can not pass through windward filter screen 122, leads dirty air current to another half chamber from half chamber of body 7 through deep bead 123, then carries out certain degree backward flow through backward flow wind channel with dirty air current towards the rear direction, makes it once again by lee side filter screen 121 and holds back to can realize the effect of holding back to the dust many times in body 7 of limited length repeatedly, improve and hold back dirt 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

1. The utility model provides a people's air defense gas filtering absorber with dust removal function, includes air inlet (101) and gas outlet at people's air defense gas filtering absorber (1) and people's air defense gas filtering absorber (1) both ends, be equipped with dust removal case (2) on air inlet (101), dust removal case (2) external intake pipe (3), external outlet duct (5) of gas outlet, its characterized in that: be equipped with body (7) that one and intake pipe (3) and air inlet (101) communicate in dust removal case (2), body (7) inner arm is equipped with individual layer dust screen (11) and double-deck dust screen (12) that a plurality of slopes were arranged towards the middle part, and is a plurality of individual layer dust screen (11) and double-deck dust screen (12) equidistance are arranged, and what be in body (7) both sides is individual layer dust screen (11), and what be in between individual layer dust screen (11) is double-deck dust screen (12), individual layer dust screen (11) and double-deck dust screen (12) are towards air inlet (101) one side direction slope, double-deck dust screen (12) are including setting up leeward side filter screen (121) and windward side filter screen (122) in deep bead (123) both sides, form the wind channel backward flow of air feed stream backward flow between the adjacent double-deck dust screen (12).

2. The civil air defense filter absorber with the dust removal function of claim 1, which is characterized in that: the single-layer dust filter net (11) and the double-layer dust filter net (12) in the pipe body (7) can vibrate.

3. The people's air defense filter absorber with dust removal function of claim 1 or 2, characterized in that: the single-layer dust filter screen (11) and the double-layer dust filter screen (12) can vibrate in a mode of being knocked by foreign objects.

4. The civil air defense filter absorber with the dust removal function according to claim 3, wherein: the improved dust filtering device is characterized in that a rotatable rotating shaft (6) is arranged on the central axis of the pipe body (7), knocking beads (10) are connected to the rotating shaft (6) through a plurality of uniformly distributed throwing lines (9), and the rotating shaft (6) can be knocked to the surfaces of the single-layer dust filtering net (11) and the double-layer dust filtering net (12) through the knocking beads (10) during rotation.

5. The civil air defense filter absorber with the dust removal function of claim 4, which is characterized in that: the one end cover that pivot (6) are close to intake pipe (3) is equipped with flabellum (8), the one end rotation connection bearing of flabellum (8) is kept away from in pivot (6), the bearing is fixed on air inlet (101) through the installation pole of equipartition.