CN212449790U

CN212449790U - Air supply dust control system capable of achieving movable filtering

Info

Publication number: CN212449790U
Application number: CN202021687515.0U
Authority: CN
Inventors: 任晓芬; 王莉媛; 郭晓红; 郭军霞; 陈启东; 叶茂; 汪庆
Original assignee: Hebei University of Engineering
Current assignee: Hebei University of Engineering
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-02-02
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a movable filtering air supply dust control system, wherein a filtering device divides the space around a conveying belt into a material dust control area and a worker breathing area, and the filtering device can move relative to the conveying belt in the material conveying direction to realize the adjustment of the relative positions of the material dust control area and the worker breathing area; the side surface of the filtering device, which is positioned in the breathing zone of a worker, is provided with a movable air supply pipe, and the air inlet end of the movable air supply pipe is provided with a first communication head; conveying belt and filter equipment's top is provided with a plurality of fixed blast pipes along material direction of delivery, and the air-out of every fixed blast pipe is served and is provided with a second intercommunication head, and filter equipment drives first intercommunication head and removes the in-process and can seal the intercommunication respectively with a plurality of second intercommunication heads in proper order. The utility model discloses an air supply tube bank is different in size, and air supply branch can alternate the position according to personnel's removal, and the flexibility ratio is high.

Description

Air supply dust control system capable of achieving movable filtering

Technical Field

The utility model belongs to the environmental protection equipment field relates to accuse dirt system, concretely relates to portable filterable air supply accuse dirt system.

Background

At present, materials are transported by using belts in a transfer corridor, and a certain amount of dust is emitted around the transport belts due to factors such as unstable belt operation and random movement of personnel in the transport process. On the other hand, the inside environmental pollution of transfer corridor is serious, only relies on the demand that the ventilation can not satisfy personnel to the air supply volume of windowing, and the air supply state is unstable, and the air supply scope is also smaller, and the adhesion can not blow off in time at the dust on one's body of personnel, and the workman inhales more dust, influences workman's healthy.

When a traditional conveying belt runs, a local closed cover is arranged at the upper part of the traditional conveying belt and is connected with a traditional dust remover so as to remove dust, and although the mode reduces the generation of dust to a certain extent, the mode has the disadvantages of difficult installation and maintenance, high manufacturing cost and poor flexibility; although some measures are provided for reducing the dust by spraying around the conveying belt, the method is not applicable to materials which react with the spraying, and condensate caused by spraying falls on the conveying belt, so that the conveying belt is inconvenient to clean and easy to slip.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a portable filterable air supply accuse dirt system solves among the prior art to the problem that dust concentration flexibility is poor in the transportation materials in-process reduction air.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a movable filtering air supply dust control system comprises a conveying belt arranged on a support, wherein a filtering device is arranged on the conveying belt and perpendicular to the material conveying direction, the filtering device divides the space around the conveying belt into a material dust control area and a worker breathing area, the upstream of the material conveying direction is the material dust control area, and the downstream of the material conveying direction is the worker breathing area;

the filter device comprises a filter plate, wherein two sides of the filter plate are respectively provided with a pair of movable clamping grooves, the pair of movable clamping grooves are respectively clamped on a pair of sliding rails, and the sliding rails are arranged along the material conveying direction, so that the filter device can move in the material conveying direction relative to a conveying belt, and the adjustment of the relative positions of the material dust control area and the worker breathing area is realized;

the filtering device is provided with a movable air supply pipe on the side surface of the breathing area of a worker, a movable air outlet is arranged on the air outlet end of the movable air supply pipe, and a first communication head is arranged on the air inlet end of the movable air supply pipe;

conveyor belt and filter equipment's top be provided with a plurality of fixed blast pipes along material direction of delivery, the air inlet end of every fixed blast pipe stretches out to the factory building outer and links to each other with the air feeder group, the air-out of every fixed blast pipe is served and is provided with a second intercommunication head, a plurality of second intercommunication heads are laid at a plurality of positions in proper order along material direction of delivery's opposite direction in conveyor belt top, filter equipment drives first intercommunication head and removes the in-process and can seal the intercommunication respectively in proper order with a plurality of second intercommunication heads.

The utility model discloses still have following technical characteristic:

the filter device comprises a filter plate with filter holes, a conveying belt penetrating opening with an open bottom is formed in the middle of the lower portion of the filter plate, and the conveying belt penetrates through the conveying belt penetrating opening.

The height of the conveying belt passing opening is slightly higher than the height of the materials on the conveying belt, and the width of the conveying belt passing opening is slightly larger than the width of the conveying belt.

The first connecting head comprises a first connecting flange and an absorbing iron embedded in the first connecting flange, the first connecting flange is fixedly arranged at one end of the telescopic pipe, and the other end of the telescopic pipe is sleeved in the air inlet end of the movable air supply pipe; the telescopic pipe is sleeved with a return spring, one end of the return spring is propped against the first connecting flange, and the other end of the return spring is propped against a retaining ring fixedly arranged on the outer wall of the air inlet end of the movable air supply pipe; the second communicating head comprises a second connecting flange fixedly connected with the air outlet end of the fixed air supply pipe and an electromagnet embedded in the second connecting flange, and the electromagnet and the attraction iron are arranged in a matched mode.

And the first connecting flange and the second connecting flange are respectively provided with corresponding rubber cushions.

And a limiting ring is respectively arranged between the other end of the extension tube and the air inlet end of the movable air supply tube.

The end faces of the second communication heads are located in the same vertical plane perpendicular to the filtering device.

Compared with the prior art, the utility model, following technological effect has:

(I) the utility model discloses a breathe regional design filter equipment and supply-air outlet at the workman, not only can in time filter the dust that adsorbs on one's body and transport the belt around, can guarantee moreover to transport the demand of workman to fresh air in the corridor.

(II) the utility model discloses an air supply tube bank is different in size, and air supply branch can be according to personnel's removal transform position, and the flexibility ratio is high, and at the ingenious design connecting device of blast pipe disconnection department, makes timely disconnection of blast pipe or connection, guarantees the leakproofness of blast pipe simultaneously, and it is convenient to dismantle.

(III) the utility model discloses can improve the operation field environment, reduce and inhale the dust volume at the long-term personnel of operation field work, reduce the harm to staff's health, improve personnel work efficiency.

(IV) this the utility model discloses a filter equipment with send the removal blast pipe can be in the slide rail back-and-forth movement to be connected the air supply with the air supply tube bank of different length, can filter the dust that transports around the belt, reduce the dust volume that produces in transportation process, provide fresh air for indoor personnel simultaneously. This patent adopts air supply tube bank and filter equipment that the length differs to combine together, and the small investment, it is convenient to dismantle, and the flexibility ratio is high, has the protection operation place environment, in time provides fresh air, protects effects such as workman is healthy.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the filtering apparatus of the present invention.

Fig. 3 is a schematic structural view of the first and second communication heads when they are not attached.

Fig. 4 is a schematic structural view of the first and second communication heads during suction.

Fig. 5 is a schematic structural view of an end face of the first via.

FIG. 6 is a schematic structural view of an end face of the second communication terminal.

The meaning of the individual reference symbols in the figures is: 1-a support, 2-a conveying belt, 3-a filtering device, 4-a material dust control area, 5-a worker breathing area, 6-a sliding rail, 7-a movable air supply pipe, 8-a movable air outlet, 9-a first communicating head, 10-a fixed air supply pipe, 11-a workshop, 12-a second communicating head, 13-a rubber buffer cushion, 14-a limiting ring and 15-an air supply unit;

301-a filter plate, 302-a movable clamping groove, 303-a filter hole and 304-a conveying belt passing port;

901-a first connecting flange, 902-an absorption iron, 903-an extension tube, 904-a return spring and 905-a retaining ring;

1201-second connecting flange, 1202-electromagnet.

The following examples are provided to explain the present invention in further detail.

Detailed Description

It should be noted that all the components of the present invention are known in the art, and the components are not specifically described.

The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.

Example 1:

the embodiment provides a movable filtering air supply dust control system, which comprises a conveying belt 2 arranged on a support 1, wherein a filtering device 3 is arranged on the conveying belt 2 and is perpendicular to a material conveying direction, the space around the conveying belt 2 is divided into a material dust control area 4 and a worker breathing area 5 by the filtering device 3, the material dust control area 4 is arranged at the upstream of the material conveying direction, and the worker breathing area 5 is arranged at the downstream of the material conveying direction, as shown in fig. 1 to 6;

the filtering device 3 comprises a filtering plate 301, two sides of the filtering plate 301 are respectively provided with a pair of movable clamping grooves 302, the pair of movable clamping grooves 302 are respectively clamped on a pair of sliding rails 6, and the sliding rails 6 are arranged along the material conveying direction, so that the filtering device 3 can move in the material conveying direction relative to the conveying belt 2, and the adjustment of the relative positions of the material dust control area 4 and the worker breathing area 5 is realized;

a movable air supply pipe 7 is arranged on the side surface of the filtering device 3 positioned in the worker breathing area 5, a movable air outlet 8 is arranged on the air outlet end of the movable air supply pipe 7, and a first communication head 9 is arranged on the air inlet end of the movable air supply pipe 7;

conveyor belt 2 and filter equipment 3's top is provided with a plurality of fixed blast pipes 10 along material direction of delivery, the air inlet end of every fixed blast pipe 10 stretches out to factory building 11 and links to each other with air supply unit 15 outward, the air-out of every fixed blast pipe 10 is served and is provided with a second intercommunication head 12, a plurality of second intercommunication heads 12 are laid at a plurality of positions in proper order along material direction of delivery's opposite direction in 2 tops of conveyor belt, filter equipment 3 drives first intercommunication head 9 and removes the in-process and can seal the intercommunication respectively in proper order with a plurality of second intercommunication heads 12.

As a specific configuration of this embodiment, the filter device 3 includes a filter plate 301 having filter holes 303, a conveyor belt passing opening 304 having an open bottom is formed at a lower middle position of the filter plate 301, and the conveyor belt 2 passes through the conveyor belt passing opening 304. The filter plate 301 with the filter holes 303 divides the space around the conveying belt 2 into the material dust control area 4 and the worker breathing area 5, and dust generated when the conveying belt 2 conveys the material can be filtered through the filter plate 301, so that the dust content of the worker breathing area 5 is far lower than that of the material dust control area 4.

As a preferable scheme of this embodiment, the height of the conveyor belt passing-through opening 304 is slightly higher than the height of the material on the conveyor belt 2, and the width of the conveyor belt passing-through opening 304 is slightly larger than the width of the conveyor belt 2. The height and width of the conveyor belt through opening 304 are defined so that materials can pass through the conveyor belt through opening 304, thereby preventing the materials from falling off and preventing a large amount of dust from flowing into the worker breathing zone 5.

As a preferable scheme of this embodiment, the first communicating head 9 includes a first connecting flange 901 and an attracting iron 902 embedded in the first connecting flange 901, the first connecting flange 901 is fixedly installed at one end of the extension tube 903, and the other end of the extension tube 903 is sleeved in the air inlet end of the movable air supply tube 7; the extension tube 903 is sleeved with a return spring 904, one end of the return spring 904 is supported on the first connecting flange 901, and the other end of the return spring 904 is supported on a retaining ring 905 fixedly arranged on the outer wall of the air inlet end of the movable air supply tube 7; the second communication head 12 includes a second connecting flange 1201 fixedly connected to the air outlet end of the fixed air supply pipe 10 and an electromagnet 1202 embedded in the second connecting flange 1201, and the electromagnet 1202 is provided in cooperation with the attraction iron 902. Set up first flange 901 and corresponding second flange 1201 and both can guarantee the leakproofness of blast pipe, can make the junction dismantle conveniently again, be convenient for maintain the installation, electro-magnet 1202 and supporting attraction iron 902 can make the quick accurate connection or the disconnection of removal blast pipe 7 and fixed blast pipe 10, flexible pipe 903 and reset spring 904 can compensate the length of the change when removing blast pipe 7 and connecting, make the connection of removing blast pipe 7 and fixed blast pipe 10 more accurate and convenient.

As a preferable solution of this embodiment, the first connecting flange 901 and the second connecting flange 1201 are respectively provided with corresponding rubber cushions 13. The rubber buffer 13 can buffer the vibration of the joint of the movable air supply pipe 7 and the fixed air supply pipe 10 when the air supply unit 12 works, and the sealing effect is improved.

As a preferable scheme of this embodiment, a limiting ring 14 is respectively disposed between the other end of the extension pipe 903 and the air inlet end of the movable air supply pipe 7. The retainer ring 14 can limit the amount of displacement of the extension and contraction of the bellows 903.

As a preferable mode of the present embodiment, the end surfaces of the second communication heads 12 are all located in the same vertical plane perpendicular to the filter device 3. The position that makes second intercommunication head 12 and first intercommunication head 9 be connected is more accurate and convenient, avoids producing the condition that first intercommunication head 9 and second intercommunication head 12 are connected and misplace occasionally.

As a preferable scheme of this embodiment, four fixed blast pipes 10 are provided, which are mainly determined according to the length of the plant 11.

As a preferable mode of the present embodiment, the movement of the filter device 3 and the moving air supply pipe 7 may be manually operated or may be automatically controlled. When an automatic control mode is adopted, a position sensing sensor is installed on the first communication head 9, the position of the first communication head 9 is monitored through the position sensing sensor, whether the first communication head 9 is aligned with the second communication head 12 or not is judged according to the position of the first communication head 9, and the electromagnet 1202 on the second communication head 12 is electrified after the first communication head 9 is aligned with the second communication head 12, so that the first communication head 9 and the second communication head 12 are connected together in a sealing mode. Meanwhile, an additional position induction sensor can be arranged to induce the position of a worker, and the motor drives the filtering device 3 to move on the sliding rail 6 according to the position control of the worker, so that automatic control is realized.

The utility model discloses a working process as follows:

during the transportation material, conveyor belt 2 clockwise rotates, and the material is walked to workman's breathing zone 5 by material accuse dirt district 4, and the staff breathes the district 5 at the workman and carries out the operation, and the produced dust of material transportation is earlier filtered by filter equipment 3 and is adsorbed before contacting the staff, reduces dust content in the workman's breathing zone 5 air, makes 5 dust content in workman's breathing zone be less than material accuse dirt district 4 far away.

When a worker stands in a certain area to work while the filter device 3 filters dust, the filter device 3 on the slide rail 6 needs to be pushed to move, so that the movable air supply pipe 7 is located at the position where the fixed air supply pipe 10 is closest to the movable air supply pipe, the first communication head 9 is aligned with the second communication head 12, after the electromagnet 1202 is electrified, the attraction iron 902 in the first communication head 9 is attracted by the electromagnet 1202 in the second communication head 12, the telescopic pipe 903 moves on the movable air supply pipe 7, the return spring 904 is stretched, the first connecting flange 901 is in sealing connection with the second connecting flange 1201, and the movable air supply pipe 7 is connected with the fixed air supply pipe 10. The blower set 15 conveys clean air outside the factory building 11 to the movable air supply pipe 7 through the fixed air supply pipe 10, and then the clean air is conveyed to the worker breathing area 5 through the movable air outlet 8 at the air outlet end of the movable air supply pipe 7, so that fresh air is provided for workers, and on the other hand, dust on the bodies of the workers is blown down.

When the worker changes the working position, the electromagnet 1202 is powered off, the return spring 904 returns to the initial state, the attraction iron 902 in the first communication head 9 is separated from the electromagnet 1202 in the second communication head 12 under the action of the contraction force of the return spring 904, and the first connecting flange 901 and the second connecting flange 1201 are separated, so that the movable air supply pipe 7 is separated from the fixed air supply pipe 10. Then the filter device 3 is pushed to move on the slide rail 6, so that the movable air supply pipe 7 is connected with the fixed air supply pipe 10 at the position corresponding to the operation position, and movable and flexible dust control is realized.

Claims

1. A movable filtering air supply dust control system comprises a conveying belt (2) arranged on a support (1), and is characterized in that a filtering device (3) is arranged on the conveying belt (2) and perpendicular to a material conveying direction, the filtering device (3) divides the space around the conveying belt (2) into a material dust control area (4) and a worker breathing area (5), the material dust control area (4) is arranged at the upstream of the material conveying direction, and the worker breathing area (5) is arranged at the downstream of the material conveying direction;

the filter device (3) comprises a filter plate (301), two sides of the filter plate (301) are respectively provided with a pair of movable clamping grooves (302), the pair of movable clamping grooves (302) are respectively clamped on a pair of sliding rails (6), and the sliding rails (6) are arranged along the material conveying direction, so that the filter device (3) can move in the material conveying direction relative to the conveying belt (2), and the adjustment of the relative positions of the material dust control area (4) and the worker breathing area (5) is realized;

a movable air supply pipe (7) is arranged on the side surface of the filtering device (3) positioned in the breathing zone (5) of the worker, a movable air outlet (8) is arranged on the air outlet end of the movable air supply pipe (7), and a first communication head (9) is arranged on the air inlet end of the movable air supply pipe (7);

conveying belt (2) and filter equipment (3) the top be provided with a plurality of fixed blast pipes (10) along material direction of delivery, the air inlet end of every fixed blast pipe (10) stretches out to factory building (11) outer and links to each other with air supply unit (15), the air-out end of every fixed blast pipe (10) is provided with a second intercommunication head (12), a plurality of second intercommunication heads (12) are laid at a plurality of positions in proper order along material direction of delivery's opposite direction in conveying belt (2) top, filter equipment (3) drive first intercommunication head (9) and remove the in-process can be in proper order sealed intercommunication respectively with a plurality of second intercommunication heads (12).

2. The movable filtering air supply dust control system according to claim 1, characterized in that the filtering device (3) comprises a filtering plate (301) with filtering holes (303), a conveying belt passing hole (304) with an open bottom is formed at the middle position of the lower part of the filtering plate (301), and the conveying belt (2) passes through the conveying belt passing hole (304).

3. The movable filtered air blast dust control system of claim 2, wherein the height of said conveyor belt through opening (304) is slightly greater than the height of the material on the conveyor belt (2), and the width of said conveyor belt through opening (304) is slightly greater than the width of the conveyor belt (2).

4. The movable filtering air supply dust control system according to claim 1, wherein the first communication head (9) comprises a first connecting flange (901) and an iron absorber (902) embedded in the first connecting flange (901), the first connecting flange (901) is fixedly arranged at one end of an extension pipe (903), and the other end of the extension pipe (903) is sleeved in the air inlet end of the movable air supply pipe (7); a return spring (904) is sleeved on the extension pipe (903), one end of the return spring (904) is propped against the first connecting flange (901), and the other end of the return spring (904) is propped against a baffle ring (905) fixedly arranged on the outer wall of the air inlet end of the movable blast pipe (7); the second communication head (12) comprises a second connecting flange (1201) fixedly connected with the air outlet end of the fixed air supply pipe (10) and an electromagnet (1202) embedded in the second connecting flange (1201), and the electromagnet (1202) is matched with the attraction iron (902).

5. The movable filtered air supply and dust control system according to claim 4, wherein the first connecting flange (901) and the second connecting flange (1201) are respectively provided with corresponding rubber cushions (13).

6. The movable filtering air supply and dust control system as claimed in claim 4, characterized in that a limiting ring (14) is respectively arranged between the other end of the extension pipe (903) and the air inlet end of the movable air supply pipe (7).

7. The movable filtering air supply and dust control system according to claim 1, wherein the end surfaces of the second communication heads (12) are all located in the same vertical plane perpendicular to the filtering device (3).