CN209869041U

CN209869041U - Dust-settling device for dry-mixed mortar production line

Info

Publication number: CN209869041U
Application number: CN201821382358.5U
Authority: CN
Inventors: 张程浩; 李茂山; 张学猛; 石新雨; 陈连义
Original assignee: BCEG Advanced Construction Materials Co Ltd
Current assignee: BCEG Advanced Construction Materials Co Ltd
Priority date: 2018-08-25
Filing date: 2018-08-25
Publication date: 2019-12-31
Anticipated expiration: 2028-08-25

Abstract

The utility model discloses a dust fall device of a dry-mixed mortar production line, which relates to the technical field of dry-mixed mortar production, and adopts the technical scheme that the dust fall device comprises a stirring tank, wherein a feed inlet is arranged on the upper surface of the stirring tank, a discharge outlet is arranged on the lower surface of the stirring tank, a stirring device is also arranged in the stirring tank, an air pressure buffering part is also arranged on the stirring tank, the air pressure buffering part comprises an obliquely arranged vent pipe, the lower end of the vent pipe is communicated with the inside of the stirring tank, the upper end of the vent pipe is communicated with a dust absorption bin, and a draught fan is; the end part of the breather pipe communicated with the dust collection bin is detachably connected with a filter cover. The utility model discloses a dry-mixed mortar production line dust device has the dust volume that produces in the reduction agitator tank, and practices thrift the effect of dust removal cost.

Description

Dust-settling device for dry-mixed mortar production line

Technical Field

The utility model relates to a dry-mixed mortar production technical field, in particular to dry-mixed mortar production line dust device.

Background

The dry-mixed mortar is a granular or powdery material which is prepared by physically mixing dry-screened aggregate (such as quartz sand), an inorganic cementing material (such as cement), an additive (such as a polymer) and the like according to a certain proportion, is transported to a construction site in a bag or in bulk, and can be directly used after being mixed with water.

The existing production line generally transports all components to a buffer hopper through a transport trolley according to the mix proportion, then enters a stirring tank through the buffer hopper, and then is fully stirred to discharge and bag. But the agitator tank except that can open and close with the buffer hopper junction, is in sealed environment basically, when a large amount of raw materialss fell into the agitator tank from the buffer hopper, because the balanced reason of atmospheric pressure, can drive a large amount of gas and upwards spill from agitator tank and buffer hopper junction to drive a large amount of dusts and enter into the external environment, all cause abominable influence to operating personnel and environment.

The patent document with publication number CN205466748U, published as 20160817, discloses a dry-mixed mortar dust removal device, which comprises a dust collection sub part connected with a dry-mixed mortar flowing tank and a dust removal sub part communicated with the dust collection sub part, wherein the bottom of the dust collection sub part is connected with one side of the bottom of the dust removal sub part through a dust removal air duct, and a dust remover is arranged in the dust removal sub part and can timely clean dust in the dry-mixed mortar flowing tank through the arrangement.

However, the above solutions only provide a solution of how to collect the generated dust as much as possible, and the amount of the generated dust cannot be controlled, and only the equipment with the corresponding dust removing capability can be installed according to the amount of the generated dust, which is costly, time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-mixed mortar production line dust device, it has the dust volume that produces in the reduction agitator tank, and practices thrift the effect of dust removal cost.

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

a dust falling device for a dry-mixed mortar production line comprises a stirring tank, wherein a feeding hole is formed in the upper surface of the stirring tank, a discharging hole is formed in the lower surface of the stirring tank, a stirring device is further arranged in the stirring tank, an air pressure buffering part is further arranged on the stirring tank and comprises an obliquely arranged air pipe, the lower end of the air pipe is communicated with the inside of the stirring tank, the upper end of the air pipe is communicated with a dust suction bin, and a draught fan is mounted on the dust suction bin; the end part of the breather pipe communicated with the dust collection bin is detachably connected with a filter cover.

By adopting the technical scheme, when the raw material enters the stirring tank from the feeding hole, the induced draft fan is started, the airflow generated by the raw material entering the stirring tank flows to the dust suction bin from the vent pipe under the driving of air pressure, and the airflow conflicting with the raw material blanking direction can not be generated, so that the generation amount of dust is reduced; the opening of the induced draft fan guides the flow direction of the air flow to prevent the air flow from diffusing around, and the filter hood filters the air introduced into the dust suction bin to intercept powder in the air in the vent pipe, so that the air meeting the emission requirement is discharged from the induced draft fan, and the influence on the environment is reduced; and the intercepted powder finally falls back into the stirring tank through the ventilation pipe which is obliquely arranged, and is mixed together, so that the proportion of the dry-mixed mortar is ensured.

The utility model discloses further set up to: the dust collection bin is hinged with a bin door capable of being turned outwards, a bearing hopper is arranged on one side, facing the inside of the dust collection bin, of the bin door, and a handle is arranged on the outer side face of the bin door. The hinged shaft of the bin gate is positioned at the lower end of the bin gate.

By adopting the technical scheme, powder possibly mixed in the gas introduced into the dust suction bin settles in the dust suction bin to cause the problem of cleaning the interior of the dust suction bin, the dust suction bin is hinged with a bin door capable of being opened or closed, and the hinged shaft is rotatably arranged at the lower end of the bin door to ensure that the bin door can be integrally turned outwards; the powder in the dust absorption bin naturally sinks in the receiving hopper after standing, the powder is collected, when the powder in the receiving hopper is more, the handle is pulled, the bin gate and the receiving hopper are turned outwards together, after the powder is turned to a certain angle, the powder flows to the bin gate from the receiving hopper and finally flows out of the top of the bin gate to fall into a collection vessel, and then the bin gate is returned to complete collection and cleaning.

The utility model discloses further set up to: the dust collection bin is characterized in that two material guide blocks symmetrically extend out of the bearing hopper from one side of the bin door facing the dust collection bin, and the thickness of one end, opposite to each other, of each material guide block is smaller than that of the other end, opposite to each other, of each material guide block.

Through adopting above-mentioned technical scheme, the baffle block makes the internal surface of door form the baffle box that both ends are high middle part is low, and during the powder flows on the door automatic collection baffle box, avoid spilling from both sides, make the discharge process of powder more smooth.

The utility model discloses further set up to: the dust collection bin is provided with a hook lock, the hook lock comprises a rotating shaft, a clamping rod and a hanging seat, the clamping rod is rotatably arranged on the rotating shaft, the hanging seat is matched with the clamping rod in a clamping mode, the rotating shaft is perpendicularly arranged on the outer side face of the bin door, and the hanging seat is fixedly arranged on the dust collection bin.

By adopting the technical scheme, the rotating shaft is vertically arranged on the outer side surface of the bin door, so that the clamping rod can rotate on the outer side surface of the bin door, the clamping rod is clamped into the hanging seat after rotating around the rotating shaft, and the clamping rod and the hanging seat are clamped and matched to fix the bin door; when the bin door needs to be opened, the clamping rod is pulled away from the hanging seat.

The utility model discloses further set up to: the outer side of the hanging seat is L-shaped, the hanging seat is matched with the surface of the dust collection bin to form a clamping groove with an upward opening, and the free end of the clamping rod is arranged in a bending mode.

Through adopting above-mentioned technical scheme, the kelly that the bending set up and draw-in groove can be better the joint together, make the fixed more firm of door.

The utility model discloses further set up to: the breather pipe is provided with a limit groove distributed in a circular ring shape, the filter cover is extended with a limit block matched with the limit groove, and the limit groove is provided with an opening for the limit block to penetrate.

By adopting the technical scheme, the limiting block of the filter cover is manually inserted into the limiting groove, the filter cover is abutted against the upper end of the vent pipe, and then the filter cover is rotated to enable the limiting block to be staggered with the opening of the limiting groove, so that the limiting block is embedded in the limiting groove, and the filter cover is further fixed; when the filtering cover is cleaned and replaced, the limiting block of the filtering cover is rotated to the opening of the limiting groove, so that the filtering cover can be separated from the ventilating pipe conveniently and quickly.

The utility model discloses further set up to: the cross section of the limiting groove is T-shaped.

Through adopting above-mentioned technical scheme, stopper and spacing groove appearance adaptation prevent after both cooperations that the filter mantle from deviating from, the complex is more stable.

To sum up, the utility model discloses following beneficial effect has:

1. by arranging the air pressure buffering part, the air pressure buffering part plays a role of guiding air flow generated when the raw materials enter, and air flow conflicting with the raw material blanking direction cannot be generated, so that the generation amount of dust is reduced;

2. through set up the bearing fill in the dust absorption storehouse, the powder in the dust absorption storehouse is fallen into the bearing after standing and is fought, collects the powder, conveniently clears up the dust absorption storehouse.

Drawings

FIG. 1 is a schematic structural diagram of a dust falling device of a dry-mixed mortar production line in the embodiment;

FIG. 2 is a schematic structural view of a dust collecting bin in the embodiment;

FIG. 3 is an enlarged view of portion B of FIG. 2;

fig. 4 is an enlarged view of a portion a in fig. 1.

In the figure, 1, a stirring tank; 11. a feed inlet; 12. a discharge port; 2. a stirring device; 3. a breather pipe; 31. a limiting groove; 4. a dust collection bin; 5. an induced draft fan; 6. a filter housing; 61. a limiting block; 7. a bin gate; 71. a receiving hopper; 72. a handle; 73. a material guide block; 8. hooking and locking; 81. a rotating shaft; 82. a clamping rod; 83. a hanging seat.

Detailed Description

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

Example (b): the utility model provides a dry-mixed mortar production line dust device, as shown in figure 1, includes agitator tank 1, and the upper surface of agitator tank 1 is equipped with the feed inlet 11 of connecting the buffer hopper, and the bottom surface of agitator tank 1 is equipped with the discharge gate 12 with the finished product storehouse intercommunication, and feed inlet 11 and discharge gate 12 are the setting of opening and close, still are equipped with agitating unit 2 that is used for stirring the raw materials in the agitator tank 1. Still be equipped with atmospheric pressure buffering portion on agitator tank 1, atmospheric pressure buffering portion includes the breather pipe 3 that an slope set up, and both ends are the opening setting about breather pipe 3, and the lower extreme communicates in agitator tank 1 inside, upper end intercommunication have dust absorption storehouse 4.

As shown in fig. 2, the dust collection bin 4 is a rectangular box, the upper end of the vent pipe 3 is fixed on one vertical side wall of the dust collection bin 4 and is communicated with the inside of the dust collection bin 4, the other side wall of the dust collection bin 4 opposite to the vent pipe 3 is provided with a through hole, the through hole is provided with an induced draft fan 5, and the pressure intensity in the stirring tank 1 is balanced by the induced draft fan 5; the side wall in the dust collection bin 4 and communicated with the vent pipe 3 is detachably connected with a filter cover 6, the filter cover 6 filters the gas introduced into the dust collection bin 4, so that powder in the gas is intercepted in the vent pipe 3, and the gas which finally meets the emission requirement is discharged from the induced draft fan 5, so that the influence on the environment is reduced; and the intercepted powder finally falls back into the stirring tank 1 through the vent pipe 3 which is obliquely arranged and is mixed together so as to ensure the proportion of the dry-mixed mortar.

As shown in fig. 3, the upper end of the vent pipe 3 is provided with a circular limiting groove 31, the cross section of the limiting groove 31 is T-shaped, a limiting block 61 adapted to the limiting groove 31 extends from the filter cover 6, and an opening for the limiting block 61 to penetrate is reserved on the limiting groove 31; the limiting block 61 of the filter cover 6 is manually inserted into the limiting groove 31, the filter cover 6 is abutted against the upper end of the vent pipe 3, then the filter cover 6 is rotated, the limiting block 61 is staggered with the opening of the limiting groove 31, and the limiting block 61 is embedded in the limiting groove 31, so that the filter cover 6 is fixed; when the filtering cover 6 is cleaned and replaced, the limiting block 61 of the filtering cover 6 is rotated to the opening of the limiting groove 31, so that the filtering cover 6 can be separated from the ventilating pipe 3, and the cleaning device is convenient and quick.

In order to reduce the influence of the problem, as shown in fig. 2, one vertical end of the dust collection bin 4 is arranged in an open manner, a bin door 7 for opening or closing the opening is hinged to the open end, and a hinged shaft is rotatably arranged at the lower end of the bin door 7, so that the bin door 7 can be integrally turned outwards; a receiving hopper 71 is arranged on one side of the bin door 7 facing the dust collection bin 4, the receiving hopper 71 is of a rectangular box structure with an open top, and the receiving hopper 71 can be turned outwards along with the bin door 7; a handle 72 is fixedly connected to one side of the bin door 7, which is far away from the dust collection bin 4, so that people can apply force to open the bin door 7.

The powder in the dust absorption bin 4 naturally sinks in the receiving hopper 71 after standing, the powder is collected, when the powder in the receiving hopper 71 is more, the handle 72 is pulled to enable the bin gate 7 and the receiving hopper 71 to turn outwards together, after the powder is turned to a certain angle, the powder flows to the bin gate 7 from the receiving hopper 71 and finally flows out of the top of the bin gate 7 to fall into a collection vessel, then the bin gate 7 returns to the position, and collection and cleaning are completed.

Two material guide blocks 73 symmetrically extend out of the bearing hopper 71 on one side of the bin gate 7 facing the dust collection bin 4, and the thickness of one end of each material guide block 73 in the opposite direction is smaller than that of the other end of each material guide block in the opposite direction, so that a material guide groove with two high ends and a low middle part is formed in the inner surface of the bin gate 7, powder automatically collects in the material guide groove when flowing on the bin gate 7, leakage from two sides is avoided, and the powder discharge process is smoother.

As shown in fig. 1 and 4, the dust collection bin 4 is further provided with a hook lock 8 for fixing the bin door 7, the hook lock 8 includes a rotating shaft 81, a clamping rod 82 rotatably disposed on the rotating shaft 81, and a hanging seat 83 in clamping fit with the clamping rod 82, wherein the rotating shaft 81 is vertically disposed on the outer side surface of the bin door 7, so that the clamping rod 82 can rotate on the outer side surface of the bin door 7; the hanging seat 83 is L-shaped, is fixedly arranged on the dust collection bin 4 and forms a clamping groove with an upward opening with the surface of the dust collection bin 4, the free end of the clamping rod 82 is bent and is just clamped into the clamping groove formed by the hanging seat 83 after rotating around the rotating shaft 81, and the free end and the clamping rod are clamped and matched to realize the fixation of the bin door 7; when the bin door 7 needs to be opened, the clamping rod 82 is pulled away from the hanging seat 83.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a dry-mixed mortar production line dust device, includes agitator tank (1), feed inlet (11) have been seted up to agitator tank (1) upper surface, agitator tank (1) lower surface is equipped with discharge gate (12), still be equipped with agitating unit (2), its characterized in that in agitator tank (1): the stirring tank (1) is also provided with an air pressure buffering part, the air pressure buffering part comprises an obliquely arranged vent pipe (3), the lower end of the vent pipe (3) is communicated with the inside of the stirring tank (1), the upper end of the vent pipe is communicated with a dust collection bin (4), and an induced draft fan (5) is installed on the dust collection bin (4); the end part of the breather pipe (3) communicated with the dust collection bin (4) is detachably connected with a filter cover (6).

2. The dust falling device for the dry-mixed mortar production line according to claim 1, characterized in that: dust absorption storehouse (4) go up to articulate there is bin gate (7) that can outwards overturn, and one side that bin gate (7) faced dust absorption storehouse (4) inside is provided with and holds and connect fill (71), is provided with handle (72) on the lateral surface of bin gate (7).

3. The dust falling device for the dry-mixed mortar production line according to claim 2, characterized in that: the hinged shaft of the bin gate (7) is positioned at the lower end of the bin gate (7).

4. The dust falling device for the dry-mixed mortar production line according to claim 2, characterized in that: the bin gate (7) faces one side of the dust suction bin (4) and symmetrically extends two material guide blocks (73) from the inside of the receiving hopper (71), and the thickness of one end, facing to each other, of each material guide block (73) is smaller than that of the other end, opposite to each other, of each material guide block.

5. The dust falling device for the dry-mixed mortar production line according to claim 2, characterized in that: be provided with hook lock (8) on dust absorption storehouse (4), hook lock (8) including pivot (81), rotate card pole (82) of setting on pivot (81) and with card pole (82) joint complex hang seat (83), pivot (81) set up perpendicularly on the lateral surface of door (7), it sets up on dust absorption storehouse (4) to hang seat (83) fixed.

6. The dust falling device for the dry-mixed mortar production line according to claim 5, characterized in that: the outer side of the hanging seat (83) is L-shaped, the hanging seat (83) is matched with the surface of the dust collection bin (4) to form a clamping groove with an upward opening, and the free end of the clamping rod (82) is arranged in a bending mode.

7. The dust falling device for the dry-mixed mortar production line according to claim 1, characterized in that: the ventilation pipe (3) is provided with a limit groove (31) distributed in a circular ring shape, the filter cover (6) extends out of a limit block (61) matched with the limit groove (31), and an opening for the limit block (61) to penetrate is reserved on the limit groove (31).

8. The dust falling device for the dry-mixed mortar production line according to claim 7, characterized in that: the cross section of the limiting groove (31) is T-shaped.