CN211513836U

CN211513836U - Dust removal device for concrete mixing plant

Info

Publication number: CN211513836U
Application number: CN201922375917.0U
Authority: CN
Inventors: 雷长庚; 孙建龙
Original assignee: Beijing Guyun Concrete Co ltd
Current assignee: Beijing Guyun Concrete Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-18
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a dust collector for a concrete mixing plant, which comprises a tank body, wherein a filtering component is arranged in the tank body, the tank body is communicated with an air inlet pipe and an air outlet pipe which is positioned above the air inlet pipe, the filtering component is connected in the tank body in a sliding way and can vibrate up and down in the tank body, and the tank body is provided with a vibration component for vibrating the filtering component; the vibration assembly comprises a driving rod which is arranged along the horizontal direction and is rotationally connected to the tank body, a driving piece for driving the driving rod to rotate is fixedly arranged on the driving rod, a crank disc which is coaxial with the driving rod is fixedly arranged on the driving rod, a connecting rod is rotationally connected to the crank disc, one end, back to the crank disc, of the connecting rod is rotationally connected with a driving block which can be abutted against the lower surface of the filtering assembly, a guide pipe is fixedly arranged on the filtering assembly along the vertical direction, and the driving block is connected to the guide pipe in a sliding manner; the bottom end of the tank body is communicated with a discharge pipe, and a valve is arranged on the discharge pipe. The utility model discloses have the effect of avoiding the filter assembly to reduce because of the filter capacity that the dust blockked up and cause.

Description

Dust removal device for concrete mixing plant

Technical Field

The utility model belongs to the technical field of the concrete engineering and specifically relates to a dust collector for concrete mixing plant is related to.

Background

The mixing plant is mainly used for concrete engineering and mainly used for mixing mixed concrete, and is also called a concrete mixing plant. The mixing plant can uniformly mix materials, is convenient for construction, and improves the construction speed, so that the mixing plant is widely applied to building construction. The concrete mixing plant can produce a large amount of dust in the production process of concrete, and these dusts not only can produce harm to staff's health, pollute the peripheral ecological environment of mixing plant, and the high concentration of dust is detained still and is aroused serious incident easily in certain space, consequently need in time remove the dust in production.

Chinese utility model patent with grant publication number CN207628158U discloses a concrete mixing plant feed bin dust collector, including going out the feed bin, the storage silo passes through welded plate fixed connection with the support, support and base fixed connection, the storage silo rotates with the feed inlet end cover to be connected, the welding has the riser on the support, the riser passes through pipe strap fixed connection with the dust absorption pipe, dust absorption pipe tail end and dust catcher fixed connection, dust catcher fixed mounting is on the fixed block, the dust catcher communicates with the clean room through going out the dirt pipe, install the water tank on the clean room, install the shower nozzle in the clean room, the right side top of clean room is provided with the air outlet, air outlet and sack fixed connection. Above-mentioned scheme structural design is reasonable, and water sprays through the clean room and once removes dust, and rethread sack filterability removes dust and carries out secondary dust removal, and dust removal effect is good, with low costs is worth promoting.

The above prior art solutions have the following drawbacks: the dust particle size of concrete mixing plant is small, and the filter core uses the condition that the filter core blockked up can appear in too much the absorption of dust after the filter core for a long time for dust collector's filter capacity reduces.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust collector for concrete mixing plant, it has the effect of avoiding the filter house to block up the filter capacity reduction that causes because of the dust.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a dust removal device for a concrete mixing plant comprises a tank body, wherein a filtering assembly is arranged in the tank body, the tank body is communicated with an air inlet pipe and an air outlet pipe which is positioned above the air inlet pipe, the joint of the air inlet pipe and the tank body is positioned below the filtering assembly, the filtering assembly is connected in the tank body in a sliding mode and can vibrate up and down in the tank body, and a vibration assembly for enabling the filtering assembly to vibrate is arranged on the tank body;

the vibration assembly comprises a driving rod which is arranged along the horizontal direction and is rotationally connected to the tank body, a driving piece for driving the driving rod to rotate is fixedly arranged on the driving rod, a crank disc coaxial with the driving rod is fixedly arranged on the driving rod, a connecting rod is rotationally connected to the crank disc, one end, back to the crank disc, of the connecting rod is rotationally connected with a driving block which can be abutted against the lower surface of the filtering assembly, a guide pipe is fixedly arranged on the filtering assembly along the vertical direction, and the driving block is connected to the guide pipe in a sliding manner;

the bottom end of the tank body is communicated with a discharge pipe, and a valve is arranged on the discharge pipe.

By adopting the technical scheme, the gas with dust enters the inner cavity of the tank body through the gas inlet pipe, particles in the dust entering the inner cavity of the tank body are absorbed by the filtering component, and the clean gas is discharged through the gas outlet pipe, so that the dust removal effect is achieved; the actuating lever rotates along self axis direction under the effect of driving piece, and the crank disc rotates along with the actuating lever, and the drive block is along vertical direction reciprocating motion in the stand pipe under the effect of crank disc and connecting rod to make filtering component vibrate from top to bottom along vertical direction in jar body, shake down via the discharging pipe discharge to appointed container with accumulational dust in the filtering component, avoid the emergence of the filter equipment because of the condition that the filter capacity that the dust blockked up and cause reduces.

The utility model discloses further set up to: the driving part is a driving motor fixedly arranged on the outer side of the tank body, and the driving rod is fixedly connected to an output shaft of the driving motor.

Through adopting above-mentioned technical scheme, the actuating lever can rotate along self axis direction under driving motor's drive, and this kind of drive mode simple structure, convenient operation.

The utility model discloses further set up to: the jar body includes top open-ended jar body and flange joint in the closing cap of jar body top end opening part, the closing cap can be sealed the top end opening of jar body, filter assembly is including sliding the movable plate of connecting in jar internal chamber and can dismantle the filter screen of connecting on the movable plate.

Through adopting above-mentioned technical scheme, the filter assembly live time overlength uses the vibration subassembly to make the filter assembly take place to vibrate still can't shake down with accumulational granule in the filter screen, need pull down the filter screen and wash or change it, and jar can dismantle the setting and the dismantled setting of filter screen of body is convenient for the staff to change the filter screen.

The utility model discloses further set up to: the filter screen includes the adapter sleeve that is used for being connected with the movable plate and sets firmly the filter core on the adapter sleeve, the adapter sleeve joint is on the movable plate.

Through adopting above-mentioned technical scheme, the connecting sleeve simple structure of joint on the movable plate, the installation is dismantled conveniently.

The utility model discloses further set up to: at least three groups of buffer mechanisms are arranged on the movable plate at intervals along the circumferential direction of the movable plate, each buffer mechanism comprises an upper buffer assembly and a lower buffer assembly which are symmetrically arranged, each buffer assembly comprises a connecting support lug fixedly arranged on the side wall of the inner cavity of the tank body, a spring is fixedly arranged between each connecting support lug and the movable plate, and the springs are arranged along the vertical direction.

By adopting the technical scheme, when the movable plate vibrates up and down under the action of the vibration assembly, the spring has a buffering effect on the movable plate and the tank body, and the loss of the movable plate and the tank body in the vibration process is reduced.

The utility model discloses further set up to: and the connecting support lug is fixedly provided with a guide pipe, and the guide pipe is sleeved outside the spring.

Through adopting above-mentioned technical scheme, the setting up of stand pipe has played the guide effect to the spring, has increased the stability of spring.

The utility model discloses further set up to: the filter screen is evenly distributed along the circumference of the moving plate at intervals.

Through adopting above-mentioned technical scheme, the setting of interval evenly distributed's filter screen is convenient for the staff to wash or change it according to the dust accumulation volume of different filter screens.

The utility model discloses further set up to: an exhaust fan is arranged on the air inlet pipe.

Through adopting above-mentioned technical scheme, be convenient for with gas suction jar in the internal chamber, improved dust collector's work efficiency.

To sum up, the beneficial effects of the utility model are that:

1. the gas with dust enters the inner cavity of the tank body through the gas inlet pipe, particles in the dust entering the inner cavity of the tank body are absorbed by the filtering component, and the clean gas is discharged through the gas outlet pipe, so that the dust removal effect is achieved; the driving rod rotates along the axis direction of the driving rod under the action of the driving piece, the crank disc rotates along with the driving rod, the driving block reciprocates in the guide pipe along the vertical direction under the action of the crank disc and the connecting rod, so that the filtering assembly vibrates vertically in the tank body, dust accumulated in the filtering assembly is discharged to a specified container through the discharge pipe under the vibration, and the situation that the filtering capacity of the filtering assembly is reduced due to dust blockage is avoided;

2. when the filter assembly is too long in service time and the vibration assembly is used to vibrate the filter assembly and still can not vibrate the particles accumulated in the filter screen, the filter screen needs to be detached for cleaning or replacement, and the detachable arrangement of the tank body and the detachable arrangement of the filter screen is convenient for workers to replace the filter screen;

3. when the movable plate vibrates up and down under the action of the vibration assembly, the spring has a buffering effect on the movable plate and the tank body, and the loss of the movable plate and the tank body in the vibration process is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic sectional view showing a part of the internal structure of a can body in the embodiment;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is an enlarged view at B in fig. 2.

In the figure, 1, a tank body; 11. a can body; 12. sealing the cover; 13. a discharge pipe; 131. a valve; 14. an air inlet pipe; 15. an air outlet pipe; 2. a support; 3. a support frame; 31. an exhaust fan; 4. a filter assembly; 41. moving the plate; 411. connecting holes; 4111. a first clamping groove; 4112. a second clamping groove; 42. a filter screen; 421. connecting sleeves; 4211. a first snap ring; 4212. a second snap ring; 422. a filter element; 5. a buffer assembly; 51. connecting the support plate; 52. a limiting pipe; 53. a spring; 54. a guide post; 6. a motor support frame; 61. a drive motor; 7. a vibrating assembly; 71. a drive rod; 72. a support rail; 73. a crank disk; 74. a crank pin; 75. a connecting rod; 76. a guide tube; 77. a drive block; 771. connecting the support lug; 772. and (7) connecting the shafts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a dust collector for concrete mixing plant, include the hollow jar of body 1 of columniform inner chamber and weld the support 2 that is used for supporting jar body 1 on jar body 1 outer peripheral face. The can body 1 comprises a can body 11 with an opening at the top end and a sealing cover 12 connected with the opening at the top end of the can body 11 through a flange, the bottom end of the can body 11 is in an inverted round table shape, and the diameter of the bottom end of the can body 11 is gradually reduced from one end close to the upper part to one end far away from the upper part.

The bottom of the tank body 1 extends downwards along the vertical direction to form a discharge pipe 13, the inner cavity of the discharge pipe 13 is communicated with the inner cavity of the tank body 1, and the discharge pipe 13 is provided with a valve 131 for controlling the opening and closing of the discharge pipe.

An air inlet pipe 14 communicated with the inner cavity of the tank body 1 is welded on the outer circumferential surface of the tank body. The outer peripheral surface of the tank body 1 is fixedly connected with a support frame 3, and the support frame 3 is fixedly connected with an exhaust fan 31 connected with an air inlet pipe 14 by using a bolt.

An air outlet pipe 15 communicated with the inner cavity of the tank body 1 is welded on the outer peripheral surface of the tank body 1, and the air outlet pipe 15 is positioned above the air inlet pipe 14.

Referring to fig. 1 and 2, a filter assembly 4 is disposed in the tank 1, and the filter assembly 4 is located between the inlet pipe 14 and the outlet pipe 15. The filter assembly 4 comprises a moving plate 41 slidably connected in the inner cavity of the tank body 1 and a filter screen 42 detachably connected to the moving plate 41. The moving plate 41 is a circular thin plate whose outer peripheral surface is in contact with the inner peripheral surface of the can body 1, and the moving plate 41 can move up and down in the can body 1 in the vertical direction.

Two groups of buffer mechanisms are arranged on the moving plate 41 at intervals along the circumferential direction of the moving plate, each buffer mechanism comprises an upper buffer component and a lower buffer component 5 which are symmetrically arranged, and the two groups of buffer components 5 are respectively positioned on the upper side and the lower side of the moving plate 41.

The buffer assembly 5 comprises a connecting support plate 51 welded on the inner circumferential surface of the tank body 1, a limiting pipe 52 is welded on the end surface of the connecting support plate 51 facing the moving plate 41, the limiting pipe 52 is arranged along the vertical direction, and a certain distance is reserved between one end of the limiting pipe 52 facing away from the moving plate 41 and the moving plate 41. A spring 53 arranged along the vertical direction is fixedly connected between the two opposite end faces of the connecting support plate 51 and the moving plate 41, the spring 53 and the limiting tube 52 are coaxially arranged, and one end of the spring 53 is positioned in the inner cavity of the limiting tube 52. A guide post 54 coaxially arranged with the spring 53 is glued on the moving plate 41, and the guide post 54 extends into one end of the spring 53 far away from the connecting support plate 51.

The outer peripheral face of the tank body 1 is welded with a motor support frame 6, the motor support frame 6 is fixedly connected with a driving motor 61 through bolts, and an output shaft of the driving motor 61 is arranged along the horizontal direction.

The tank body 1 is provided with a vibration component 7 for enabling the filter component 4 to vibrate up and down, the vibration component 7 comprises a driving rod 71 fixedly connected to an output shaft of the driving motor 61, the axis of the driving rod 71 is overlapped with the axis of the output shaft of the driving motor 61, one side of the driving rod 71, far away from the driving motor 61, penetrates through the tank body 1, extends into an inner cavity of the tank body 1 and is rotatably connected with the tank body 1, and a dynamic sealing ring (not shown in the drawing) is arranged between the driving rod 71 and the tank body 1. The welding has the support horizontal pole 72 on the internal perisporium of jar body 1, supports the horizontal pole 72 and keeps away from the one end cover of the internal perisporium of jar body 1 and locates on the outer peripheral face of drive rod 71, and drive rod 71 rotates to be connected on supporting horizontal pole 72.

One end of the driving rod 71 far away from the driving motor 61 is fixedly connected with a crank disc 73 coaxial therewith, a crank pin 74 is welded on the end face of the crank disc 73 facing away from the driving motor 61 along the axial direction of the driving rod 71, a connecting rod 75 is sleeved on the crank pin 74, and the connecting rod 75 is rotatably connected to the crank disc 73 through the crank pin 74.

A guide pipe 76 extending downwards along the vertical direction is welded at the center of the lower surface of the moving plate 41, a driving block 77 matched with the guide pipe 76 is connected in the guide pipe 76 in a sliding manner, and the driving block 77 can be abutted against the lower surface of the moving plate 41. The end face of the driving block 77 opposite to the moving plate 41 is fixedly connected with a connecting lug 771, the connecting lug 771 is fixedly connected with a connecting shaft 772, and the axial direction of the connecting shaft 772 is the same as the axial direction of the crank pin 74.

One end of the connecting rod 75, which is opposite to the crank disc 73, is sleeved outside the connecting shaft 772 and is rotatably connected with the connecting shaft 772, the driving rod 71 rotates along the axis direction of the driving rod 71 under the action of the driving motor 61, the crank disc 73 rotates along with the driving rod 71, and the driving block 77 vertically reciprocates in the guide pipe 76 under the action of the crank disc 73 and the connecting rod 75, so that the moving plate 41 vibrates vertically.

The moving plate 41 is provided with a circular connecting hole 411, the connecting hole 411 is a through hole, and a plurality of connecting holes 411 are uniformly distributed along the circumferential direction of the moving plate 41 at intervals.

The filter net 42 includes a connection sleeve 421 for connecting with the moving plate 41 and a filter element 422 fixedly connected to an inner circumferential surface of the connection sleeve 421. The connecting sleeve 421 is a circular sleeve, an annular first clamping groove 4111 is formed in the inner circumferential surface of the connecting hole 411, a first clamping ring 4211 matched with the first clamping groove 4111 is integrally formed in the outer circumferential surface of the connecting sleeve 421, and the first clamping ring 4211 is embedded into the first clamping groove 4111. An outward flange is integrally formed at the top end of the connecting sleeve 421, a plurality of second clamping grooves 4112 corresponding to the connecting holes 411 one by one are formed in the upper surface of the moving plate 41, a second clamping ring 4212 matched with the second clamping grooves 4112 is integrally formed on the outward flange, and the second clamping ring 4212 is embedded into the second clamping grooves 4112, so that detachable connection between the connecting sleeve 421 and the moving plate 41 is realized.

The implementation principle of the above embodiment is as follows:

the gas with dust enters the inner cavity of the tank body 1 through the gas inlet pipe 14, particles in the dust entering the inner cavity of the tank body 1 are absorbed by the filtering component 4, and the clean gas is discharged through the gas outlet pipe 15, so that the dust removal effect is achieved; the driving rod 71 rotates along the axis direction thereof under the action of the driving piece, the crank disc 73 rotates along with the driving rod 71, the driving block 77 reciprocates in the guide pipe 76 along the vertical direction under the action of the crank disc 73 and the connecting rod 75, so that the filtering component 4 vibrates vertically in the tank body 1, the spring 53 plays a role in buffering the moving plate 41 and the tank body 1, and dust accumulated in the filtering component 4 is vibrated down and discharged into a designated container through the discharge pipe 13; when the filter screen 42 needs to be detached, the tank body 1 is opened, and the filter screen 42 is pushed along the axial direction of the tank body 1 to one side back to the vibration assembly 7, so that the filter screen 42 can be separated from the moving plate 41.

Claims

1. The utility model provides a dust collector for concrete mixing plant, includes a jar body (1), be provided with filtering component (4) in jar body (1), the intercommunication has intake pipe (14) and outlet duct (15) that are located intake pipe (14) top on jar body (1), the junction of intake pipe (14) and jar body (1) is located filtering component (4) below, its characterized in that: the filtering component (4) is connected in the tank body (1) in a sliding manner and can vibrate up and down in the tank body (1), and a vibration component (7) for vibrating the filtering component (4) is arranged on the tank body (1);

the vibration component (7) comprises a driving rod (71) which is arranged along the horizontal direction and is rotationally connected to the tank body (1), a driving piece for driving the driving rod to rotate is fixedly arranged on the driving rod (71), a crank disc (73) which is coaxial with the driving rod is fixedly arranged on the driving rod (71), a connecting rod (75) is rotationally connected to the crank disc (73), one end, back to the crank disc (73), of the connecting rod (75) is rotationally connected with a driving block (77) which can be abutted to the lower surface of the filtering component (4), a guide pipe (76) is fixedly arranged on the filtering component (4) along the vertical direction, and the driving block (77) is connected to the guide pipe (76) in a sliding manner;

the bottom end of the tank body (1) is communicated with a discharge pipe (13), and a valve (131) is arranged on the discharge pipe (13).

2. A dust extraction device for a concrete mixing plant according to claim 1, characterised in that: the driving piece is a driving motor (61) fixedly arranged on the outer side of the tank body (1), and the driving rod (71) is fixedly connected to an output shaft of the driving motor (61).

3. A dust extraction device for a concrete mixing plant according to claim 1, characterised in that: jar body (1) is connected in closing cap (12) of jar body (11) top end opening part including top open-ended jar body (11) and flange, closing cap (12) can seal the top end opening of jar body (11), filter assembly (4) including slide connect in jar movable plate (41) in body (1) inner chamber with can dismantle filter screen (42) of connecting on movable plate (41).

4. A dust extraction device for a concrete mixing plant according to claim 3, characterized in that: the filter screen (42) is including being used for adapter sleeve (421) and the filter core (422) of setting firmly on adapter sleeve (421) be connected with movable plate (41), adapter sleeve (421) joint is on movable plate (41).

5. A dust extraction device for a concrete mixing plant according to claim 3, characterized in that: at least three groups of buffer mechanisms are arranged on the movable plate (41) along the circumferential direction at intervals, each buffer mechanism comprises an upper buffer component (5) and a lower buffer component (5) which are symmetrically arranged, each buffer component (5) comprises a connecting support plate (51) fixedly arranged on the side wall of the inner cavity of the tank body (1), a spring (53) is fixedly arranged between each connecting support plate (51) and the movable plate (41), and each spring (53) is arranged along the vertical direction.

6. A dust extraction device for a concrete mixing plant according to claim 5, characterized in that: the connecting support plate (51) is fixedly provided with a limiting pipe (52), and the limiting pipe (52) is sleeved outside the spring (53).

7. A dust extraction device for a concrete mixing plant according to claim 3, characterized in that: the filter screens (42) are uniformly distributed along the circumferential direction of the moving plate (41) at intervals.

8. A dust extraction device for a concrete mixing plant according to claim 1, characterised in that: an exhaust fan (31) is arranged on the air inlet pipe (14).