CN219580159U

CN219580159U - Dust collector of concrete mixing plant

Info

Publication number: CN219580159U
Application number: CN202320617160.5U
Authority: CN
Inventors: 张国荣; 张伟建
Original assignee: Haikou Island Concrete Co ltd
Current assignee: Haikou Island Concrete Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-08-25
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a dust removing device of a concrete mixing plant, which comprises a dust removing box, wherein a sedimentation cavity and a spray cavity are arranged in the dust removing box, an air inlet pipe and an air outlet pipe are arranged on the outer wall of the dust removing box, the sedimentation cavity is communicated with the spray cavity, the sedimentation cavity comprises a gas decelerating component, the air inlet pipe is connected with the gas decelerating component, the air outlet of the gas decelerating component faces the bottom of the dust removing box, a recovery part which is in a funnel shape as a whole is arranged at the bottom of the sedimentation cavity below the air outlet of the gas decelerating component, a first discharge pipe is arranged at the bottom of the recovery part, a spray component is arranged in the spray cavity, the air outlet pipe is separated from the sedimentation cavity by the spray component, a reservoir is arranged below the spray component, a bucket-shaped filter screen is arranged in the reservoir, a water filtering cavity is arranged below the bucket-shaped filter screen, a second discharge pipe is arranged at the bottom of the bucket-shaped filter screen, a screw conveyer is arranged at the bottom of the dust removing box, the screw conveyer is communicated with the first discharge pipe and the second discharge pipe, and the output end of the screw conveyer extends out of the dust removing box. The device improves the dust removal efficiency on the whole.

Description

Dust collector of concrete mixing plant

Technical Field

The utility model relates to the technical field of mixing station dust removal, in particular to a concrete mixing station dust removal device.

Background

Concrete is a common name of engineering composite materials which are formed by cementing aggregates into a whole by cementing materials, and the raw materials generally comprise cement, sand stone, fly ash, additives and water. In concrete production, the raw materials are stored in respective raw material bins. In order to prevent dust generated in the raw material bin from being directly discharged into the atmosphere to cause pollution, a corresponding dust removing device is arranged to adsorb the dust in the raw material bin.

In order to improve the dust removal effect, the publication number of the dust removal device for the concrete mixing plant (hereinafter referred to as D1) disclosed in the Chinese patent literature is CN215388354U, the authorized publication date is 2022, 01 and 04, and D1 discloses a technical scheme for removing dust in air by utilizing water body adsorption and spraying dust removal, so that the dust removal effect is improved, but D1 has the following defects in actual use, firstly, in order to prevent dust in the water body from entering a spray head, the D1 is provided with a filter head on a water suction pipe of a water pump, but the filter head is blocked by dust along with the continuous increase of the dust quantity in the water body and the continuous increase of the dust quantity at the filter head, so that the water pump is difficult to pump sufficient water for the spray head to use, and finally, the spray function is quickly disabled. Secondly, the water tank in the device continuously blows along with the air pipe, and water in the water tank is continuously stirred, so that dust is difficult to precipitate after being absorbed, difficult to separate from the water, and inconvenient to follow-up treatment.

In view of this, there is a need to design a dust removing device for a concrete mixing plant, which can solve the problems in the above devices and improve the dust removing effect.

Disclosure of Invention

The utility model aims to provide a dust removing device for a concrete mixing plant, which aims to solve the problems described in the background art.

The technical scheme of the utility model is realized as follows:

the utility model provides a concrete mixing plant dust collector, including the dust removal case, be equipped with the subsidence chamber in the dust removal case and spray the chamber, be equipped with the intake pipe that the intercommunication subsided the chamber on the dust removal case outer wall and the outlet duct that the intercommunication sprayed the chamber, subside the chamber and spray the chamber and be linked together, subside the intracavity and include gaseous deceleration part, gaseous deceleration part adorns admittedly on the inside wall of dust removal case, intake-tube connection gaseous deceleration part, gaseous deceleration part's gas outlet orientation dust removal case bottom, subside the chamber bottom below gaseous deceleration part's gas outlet still is equipped with wholly and is the recovery unit that is the hopper-shaped, recovery unit's bottom is equipped with first row material pipe, spray the intracavity and include and spray the subassembly, spray the subassembly and set up on the inner wall of dust removal case, spray the subassembly and separate outlet duct and subside the chamber, spray the chamber bottom of spray the subassembly below and still be equipped with the cistern, be equipped with the bucket filter screen that covers cistern upper end opening in the cistern, the below of bucket filter screen is the filter chamber, the bottom of bucket filter screen is equipped with the second row material pipe, dust removal case bottom is equipped with screw conveyer, screw conveyer and first row material pipe and second row material pipe intercommunication, screw conveyer output extends to the dust removal case.

When the device is used, after the gas with dust enters the dust removal box from the gas inlet pipe, the gas is discharged downwards to impinge on the funnel-shaped recovery part of the sedimentation cavity after being decelerated by the gas deceleration component, and part of dust in the gas is separated from the gas under the action of gravity, is captured by the recovery part and is discharged from the first discharge pipe. The surplus gas flows to spraying the chamber, when spraying the chamber through, spray the subassembly and spray the water smoke, carry out dust absorption to the gas of process, the turbid water body after adsorbing the dust drips down to fight on the form filter screen, fight the form filter screen for the filter head, possess bigger filtration area, more efficient filtration efficiency, still have certain automatically cleaning anti-blocking effect simultaneously, through the filtration of fight form filter screen, in the water inflow cistern after the filtration, the dirt mud of separation is discharged from the second row material pipe of fight form filter screen bottom, finally carry the outside discharge of dust removal case by screw conveyer, and collect recycling.

The further technical scheme is that the gas decelerating component comprises a decelerating labyrinth box, the decelerating labyrinth box is fixedly arranged on the inner wall of the dust removing box, the gas inlet pipe is communicated to the inside of the decelerating labyrinth box, a plurality of partition plates are arranged in the decelerating labyrinth box, the partition plates are mutually staggered to form a labyrinth path, and a lower box opening is formed in the bottom of the reducing labyrinth box.

After the dust gas enters the speed reduction labyrinth box, the flow speed of the dust gas is slowed down under the repeated blocking of the partition plate, and when dust and gas in the dust gas circulate in the labyrinth, primary separation is carried out under the action of impact force and centrifugal force, part of dust is separated from the gas, gradually discharged from the lower box opening along with accumulation, and falls into the recovery part below.

The further technical scheme is, spray the subassembly and include water pipe and support, and the water pipe passes through the support mounting on the inner wall of dust removal case, still is equipped with a plurality of shower heads on the water pipe, sprays the subassembly and still including setting up the immersible pump in the drainage chamber of cistern, and the water pipe passes through the connecting pipe and is connected with the immersible pump.

The submersible pump conveys the water filtered by the bucket-shaped filter screen into the water pipe again, and then the spray head sprays and removes dust. The dust amount in the filtered water is lower, the water body dust saturation rate is lower, the adsorption efficiency can be guaranteed when the dust is sprayed and adsorbed, and meanwhile, the submersible pump can be guaranteed to provide sufficient water supply.

The further technical scheme is that a bracket is further arranged in the second material discharging pipe, one end of the bracket extends upwards into the bucket-shaped filter screen, a blocking cover is arranged, and downward projection of the blocking cover completely covers the pipe orifice of the second material discharging pipe.

When the baffle cover can prevent water from dripping, the water directly drips into the second discharge pipe, and after the water falls into the baffle cover, the water flows onto the bucket-shaped filter screen under the action of the baffle cover, so that the water is filtered and then flows into the second discharge pipe.

Further technical scheme is, still wear to be equipped with the inlet tube on the lateral wall of dust removal case, the inlet tube communicates to the drainage chamber of cistern, still wears to be equipped with the drain pipe on the dust removal case lateral wall of inlet tube below, and the drain pipe communicates to the drainage chamber of cistern, still is equipped with the drain valve on the drain pipe.

Through inlet tube and drain pipe, can effectively control the water level in the cistern, in time supply moisture for the cistern, also can discharge the waste water in the filter chamber.

The utility model has the beneficial effects that:

1. through setting up the subsidence chamber earlier before spraying the chamber, filter the dust in the gaseous partly earlier through the subsidence chamber, spray the dust removal by spraying the chamber again, improved dust removal efficiency on the whole. After passing through the sedimentation cavity, the amount of dust contained in the gas flowing to the spraying cavity is reduced, so that the amount of dust contained in the sprayed water body is reduced, the rising speed of the dust saturation rate in the water body is slowed down, the water body utilization time is prolonged, and water resources are saved.

2. Through setting up the speed reduction labyrinth box in settling chamber, slow down the gas velocity of flow of discharging into settling chamber for the dust in the gas subsides more easily, and the velocity of flow of gas through spraying the chamber slows down simultaneously, is favorable to the dust in the water adsorption gas.

3. Through setting up bucket filter screen and screw conveyer for dust in the water can be discharged through screw conveyer after being separated, recycle, prevent filter screen and shower head on the dust jam water pump simultaneously, keep the continuation of spraying function effectively.

Drawings

FIG. 1 is a partial cross-sectional overall view of a device;

in the figure, 1, an air inlet pipe, 2, a partition plate, 3, a speed reduction labyrinth box, 4, a dust removal box, 5, a sedimentation cavity, 6, a water pipe, 7, a support, 8, a spray header, 9, a spray cavity, 10, an air outlet pipe, 11, a connecting pipe, 12, a lower box opening, 13, a recovery part, 14, a screw conveyor, 15, a first discharge pipe, 16, a reservoir, 17, a water filtering cavity, 18, a bucket-shaped filter screen, 19, a second discharge pipe, 20, a submersible pump, 21, a water inlet pipe, 22, a water outlet pipe, 23, a drain valve, 24, a support, 25 and a blocking cover.

Detailed Description

For a better understanding of the technical content of the present utility model, specific examples are provided below and the present utility model is further described with reference to the accompanying drawings.

Referring to fig. 1, a dust removing device of a concrete mixing plant comprises a dust removing box 4, wherein two processing spaces, namely a sedimentation cavity 5 and a spraying cavity 9, are arranged in the dust removing box 4. The sedimentation cavity 5 is communicated with the spraying cavity 9, and the top wall of the dust removal box 4 is respectively provided with an air inlet pipe 1 and an air outlet pipe 10. The air inlet pipe 1 is communicated to the sedimentation cavity 5, and the air outlet pipe 10 is communicated to the spraying cavity 9.

Specifically, install speed reduction labyrinth box 3 on settling chamber 5's the dust removal case 4 inside wall, the inside baffle 2 that is equipped with the polylith and stagger each other that sets up of speed reduction labyrinth box 3, the baffle 2 constitutes ' bow ' -shaped labyrinth route, speed reduction labyrinth box 3's box top and intake pipe 1 intercommunication, speed reduction labyrinth box 3's box bottom has seted up lower case mouth 12, after the top entering inside of speed reduction labyrinth box 3 of gas with the dust, through ' bow ' -shaped maze, again follow the lower case mouth 12 discharge of bottom. The 'bow' -shaped labyrinth not only can slow down the flow rate of dust gas discharged from the air inlet pipe 1, but also can enable the dust gas to generate impact force and centrifugal force in the turning process of the labyrinth circulation, so that the dust with heavier mass is separated from the gas, captured and accumulated by the partition plate 2, and finally gradually discharged from the lower box opening 12.

Specifically, a recovery part 13 which is in a funnel shape as a whole is arranged at the bottom of the sedimentation cavity 5 below the lower box opening 12 of the speed reduction labyrinth box 3, and a first discharge pipe 15 is arranged at the bottom of the recovery part 13.

Specifically, including spraying the subassembly in the spray chamber 9, the subassembly that sprays includes water pipe 6 and support 24, a plurality of supports 24 fixed mounting are on the interior roof of dust removal case 4, and water pipe 6 fixed mounting is on support 24, is equipped with a plurality of shower heads 8 on the water pipe 6, and shower head 8 sets up between outlet duct 10 and sedimentation chamber 5, and the total injection region of shower head 8 covers the space between outlet duct 10 and the sedimentation chamber 5 completely. The bottom of the spray cavity 9 below the spray header 8 is also provided with a water reservoir 16, a bucket-shaped filter screen 18 covering the opening of the upper end of the water reservoir 16 is arranged in the water reservoir 16, a water filtering cavity 17 is arranged below the bucket-shaped filter screen 18, the spray assembly further comprises a submersible pump 20 arranged in the water filtering cavity 17, and the submersible pump 20 is communicated with the water pipe 6 through a connecting pipe 11. The bottom of the bucket-shaped filter screen 18 is provided with a second discharge pipe 19.

Specifically, the bottom of the dust removal box 4 is provided with a screw conveyer 14, the input end of the screw conveyer 14 is communicated with a first discharge pipe 15 and a second discharge pipe 19, and the output end of the screw conveyer 14 extends to the outside of the dust removal box 4. Screw conveyor 14 is a relatively common product that includes a conveying pipe having a rotating shaft inside, a helical blade provided on the rotating shaft, and a drive motor for driving the rotating shaft to rotate outside the conveying pipe.

Specifically, the second material discharging pipe 19 is further provided with a support 24, the support 24 comprises a cross rod and a vertical rod, the cross rod is installed in the second material discharging pipe 19, the vertical rod is installed on the cross rod, the top of the vertical rod extends upwards into the bucket-shaped filter screen 18, a circular blocking cover 25 is arranged, the area of the blocking cover 25 is larger than that of the second material discharging pipe 19, and preferably, the diameter of the blocking cover 25 is half of the diameter of the outer edge of the top of the bucket-shaped filter screen 18.

Specifically, the side wall of the dust removal box 4 is also provided with a water inlet pipe 21 in a penetrating way, the water inlet pipe 21 is communicated to the water filtering cavity 17 of the water reservoir 16, the side wall of the dust removal box 4 below the water inlet pipe 21 is also provided with a water outlet pipe 22 in a penetrating way, the water outlet pipe 22 is communicated to the water filtering cavity 17 of the water reservoir 16, and the water outlet pipe 22 is also provided with a water outlet valve 23.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a concrete mixing plant dust collector, includes the dust removal case, its characterized in that: the dust removal box is internally provided with a sedimentation cavity and a spray cavity, the outer wall of the dust removal box is provided with an air inlet pipe communicated with the sedimentation cavity and an air outlet pipe communicated with the spray cavity, the sedimentation cavity is communicated with the spray cavity, the sedimentation cavity comprises a gas deceleration component, the gas deceleration component is fixedly arranged on the inner side wall of the dust removal box, the gas inlet pipe is connected with the gas deceleration component, the air outlet of the gas deceleration component faces the bottom of the dust removal box, the bottom of the sedimentation cavity below the air outlet of the gas deceleration component is also provided with a recovery part which is integrally funnel-shaped, the bottom of the recovery part is provided with a first discharge pipe, the spray cavity comprises a spray assembly, the spray assembly is arranged on the inner wall of the dust removal box, the spray assembly separates the air outlet pipe from the sedimentation cavity, a reservoir is further arranged at the bottom of the spray cavity below the spray assembly, a bucket-shaped filter screen is arranged in the reservoir and covers the upper end opening of the reservoir, the bottom of the bucket-shaped filter screen is provided with a second discharge pipe, the bottom of the dust removal box is provided with a spiral conveyer, the spiral conveyer is communicated with the first discharge pipe and the second discharge pipe, and the output end of the spiral conveyer extends out of the dust removal box.

2. A concrete mixing plant dust collector according to claim 1, wherein: the gas decelerating component comprises a decelerating labyrinth box, the decelerating labyrinth box is fixedly arranged on the inner wall of the dust removing box, the gas inlet pipe is communicated to the inside of the decelerating labyrinth box, a plurality of partition plates are arranged in the decelerating labyrinth box, the partition plates are staggered mutually to form a labyrinth path, and a lower box opening is further formed in the bottom of the reducing labyrinth box.

3. A concrete mixing plant dust collector according to claim 2, wherein: the spray assembly comprises a water pipe and a support, the water pipe is arranged on the inner wall of the dust removal box through the support, a plurality of spray heads are further arranged on the water pipe, the spray assembly further comprises a submersible pump arranged in a water filtering cavity of the reservoir, and the water pipe is connected with the submersible pump through a connecting pipe.

4. A concrete mixing plant dust extraction device according to claim 3, wherein: and a bracket is further arranged in the second discharge pipe, one end of the bracket extends upwards into the bucket-shaped filter screen, a blocking cover is arranged, and the downward projection of the blocking cover completely covers the pipe orifice of the second discharge pipe.

5. A concrete mixing plant dust collector according to claim 4, wherein: still wear to be equipped with the inlet tube on the lateral wall of dust removal case, the inlet tube communicates to the drainage chamber of cistern, still wears to be equipped with the drain pipe on the dust removal case lateral wall of inlet tube below, and the drain pipe communicates to the drainage chamber of cistern, still is equipped with the drain valve on the drain pipe.