CN220386147U

CN220386147U - Asphalt mixing building dust recovery unit

Info

Publication number: CN220386147U
Application number: CN202320651996.7U
Authority: CN
Inventors: 王永忠; 鲍世杰; 钱立喜; 夏如俊; 颜金虎; 何友宏; 王伶俐; 朱亚军; 王业斌; 唐垚; 张鹏
Original assignee: Nanjing Chengying Intensive Building Materials Technology Co ltd
Current assignee: Nanjing Chengying Intensive Building Materials Technology Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2024-01-26
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a dust recycling device of an asphalt mixing plant, which comprises a treatment cover, an outer shell and an inner shell, wherein one side of the treatment cover is provided with an exhaust hole, the outer shell is fixedly arranged in the treatment cover, the inner shell is fixedly arranged in the outer shell, and the inner shell is arranged in the outer shell, and the dust recycling device comprises the following components: the shell cooperation is handled the cover and is in order to form the wind chamber, wind intracavity fixed mounting has a plurality of filtration round plates, the wind chamber communicates in the inner shell, fixed mounting has the atomizer on the inner shell, shell cooperation inner shell is in order to form the storage chamber. According to the dust recycling device of the asphalt mixing plant, provided by the utility model, the gas with dust is discharged through the exhaust pipe by performing downstream filtration treatment under the action of the plurality of filter plates; meanwhile, the gas of part of the filtered residual dust enters the inner shell through the air cavity, and the water mist and the dust are mixed under the action of the atomizing nozzle, so that the mixture falls into the storage cavity along with the action of gravity, and is discharged and collected through the discharge pipe, so that the dust discharged by the exhaust pipe can be efficiently absorbed.

Description

Asphalt mixing building dust recovery unit

Technical Field

The utility model relates to the technical field of dust removal of asphalt mixing plants, in particular to a dust recycling device of an asphalt mixing plant.

Background

Asphalt mixing plants, which may also be referred to as asphalt concrete mixing stations, are used to process asphalt and concrete, and asphalt mixing plants, when operated, produce a large amount of dust due to the special nature of the materials being processed.

According to publication (bulletin) No.: CN211799527U, publication (date): 2020-10-30, discloses a dust recovery device for asphalt mixing plant, aims at solving the problems that a filter plate in a dust removing chamber is easy to block and dust collection is affected. The key points of the technical scheme are as follows: the utility model provides a dust recovery unit for asphalt mixing building, includes the clean room, is equipped with filter equipment in the clean room, is provided with the motor in the clean room, and filter equipment is including first filter and second filter, and first filter and second filter below are provided with first movable plate and second movable plate respectively, all are provided with the brush hair on first movable plate and the second movable plate, and the brush hair is contradicted with first filter and second filter, is provided with mobile device in the clean room, and mobile device is connected with the motor. The dust recycling device for the asphalt mixing plant can clean dust retained on the filter plates, reduce the replacement times of the filter plates and enable the dust to be collected more efficiently.

In the prior art including above-mentioned patent, because the pitch stirring building can directly discharge the dust through the blast pipe of pitch stirring building top, although the job site of pitch stirring station can be equipped with building site type fog gun car and carry out the dust fall to the dust and handle, be in the blast pipe of pitch stirring building top because of high reason, be difficult to receive the dust fall of building site type fog gun car and handle, lead to blast pipe exhaust a large amount of dust to finally can drop to ground because of gravity effect, influence constructor and pitch stirring station surrounding environment.

Disclosure of Invention

The utility model aims to provide a dust recycling device of an asphalt mixing plant, which solves the problem that dust discharged by an exhaust pipe of the asphalt mixing plant is not easy to be subjected to dust fall treatment due to overhigh height.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an asphalt mixing building dust recovery unit, includes that one side has seted up the processing cover of exhaust hole, still includes the shell of processing cover internal fixation, fixed mounting has the inner shell in the shell, wherein:

the outer shell is matched with the treatment cover to form an air cavity, a plurality of filtering ring plates are fixedly arranged in the air cavity, and the air cavity is communicated with the inner shell;

the inner shell is fixedly provided with an atomizing nozzle, and the outer shell is matched with the inner shell to form a storage cavity which is communicated with a discharge pipe fixedly arranged on the outer shell;

the storage cavity is internally and fixedly provided with a heating plate, the outer shell is matched with the inner shell to form a condensation cavity, and the condensation cavity is respectively matched with the heating plate and the atomizing nozzle.

Preferably, the inner shell is provided with a plurality of drain holes, and the drain holes are respectively communicated with the inner shell and the storage cavity.

Preferably, an absorption cavity is formed between the inner shell and the outer shell, and the absorption cavity is respectively communicated with the storage cavity and the condensation cavity.

Preferably, a plurality of first air inlet nozzles are communicated with each other on the outer shell, a plurality of second air inlet nozzles are communicated with each other on the inner shell, and the air inlet nozzles are arranged in the inner shell, wherein:

the absorption cavity is matched with the first air inlet nozzle and the second air inlet nozzle respectively.

Preferably, the inner shell is fixedly provided with a collecting cover, and the condensing cavity is arranged between the collecting cover and the outer shell.

Preferably, the shell is provided with a water supplementing pipe in a communicating way, and the water supplementing pipe is communicated with the condensing cavity.

Preferably, a main bracket is fixedly arranged between the outer shell and the treatment cover, and an auxiliary bracket is fixedly arranged between the inner shell and the outer shell.

Preferably, the port of the treatment cover is fixedly sleeved with a butt flange.

Preferably, the filter ring plate is specifically an activated carbon plate.

In the technical scheme, the dust recycling device for the asphalt mixing plant provided by the utility model has the following beneficial effects: blowing the gas with dust into the treatment cover through the exhaust pipe so as to filter the dust under the action of a plurality of filter plates, and exhausting the treated gas through the exhaust hole; meanwhile, part of filtered gas of residual dust enters the inner shell through the air cavity, and the water mist and the dust are mixed under the action of the atomizing nozzle, so that the mixture is collected in the storage cavity along with the action of gravity, and is discharged and collected from the treatment cover through the discharge pipe, and the dust discharged by the exhaust pipe can be efficiently absorbed; when the heating plate works, the water in the mixture is heated and evaporated, so that the evaporated water vapor is condensed into water in the condensation cavity, and the condensed water is collected and sprayed by the atomizing nozzle, so that the water resource utilization rate is increased.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of a processing enclosure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional front view of a process enclosure according to an embodiment of the present utility model;

fig. 3 is an enlarged schematic structural diagram of a according to an embodiment of the present utility model;

fig. 4 is an enlarged schematic structural diagram of B according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a treatment cover; 11. an exhaust hole; 12. a butt flange; 13. a main support; 14. a sub-bracket; 21. a housing; 211. a first air inlet nozzle; 22. an inner case; 221. a second air inlet nozzle; 23. a wind chamber; 231. a filter collar plate; 24. an atomizing nozzle; 241. a drain hole; 25. a storage chamber; 251. a heating plate; 252. a discharge pipe; 26. an absorption chamber; 27. a collection cover; 271. a condensing chamber; 28. and a water supplementing pipe.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, a dust recycling device for asphalt mixing plant, comprising a treatment cover 1 with an exhaust hole 11 at one side, and further comprising an outer shell 21 fixedly installed in the treatment cover 1, and an inner shell 22 fixedly installed in the outer shell 21, wherein:

the outer shell 21 is matched with the treatment cover 1 to form an air cavity 23, a plurality of filter ring plates 231 are fixedly arranged in the air cavity 23, and the air cavity 23 is communicated with the inner shell 22;

an atomizing nozzle 24 is fixedly arranged on the inner shell 22, the outer shell 21 is matched with the inner shell 22 to form a storage cavity 25, and the storage cavity 25 is communicated with a discharge pipe 252 fixedly arranged on the outer shell 21;

a heating plate 251 is fixedly installed in the storage cavity 25, the outer shell 21 is matched with the inner shell 22 to form a condensation cavity 271, and the condensation cavity 271 is respectively matched with the heating plate 251 and the atomizing nozzle 24.

Specifically, as shown in fig. 2, 3 and 4, the inner shell 22 and the outer shell 21 are cylindrical shells, and the inner shell 22 and the outer shell 21 are specifically stainless steel metal shells, the discharge pipe 252 is fixedly installed at the bottom of the outer shell 21, a part of the discharge pipe 252 is fixedly installed on the treatment cover 1, and a plurality of through holes are formed in the heating plate 251. Blowing the gas with dust into the treatment hood 1 through the exhaust pipe so that the dust is filtered by the plurality of filter plates 231 and the treated gas is exhausted through the exhaust hole 11; meanwhile, part of the filtered gas of residual dust enters the inner shell 22 through the air cavity 23, and the water mist and the dust are mixed under the action of the atomizing nozzle 24, so that the mixture is collected in the storage cavity 25 along with the action of gravity, and is discharged and collected from the treatment cover 1 through the discharge pipe 252, so that the dust discharged by the exhaust pipe can be efficiently absorbed; when the heating plate 251 works, the water in the mixture is heated and evaporated, so that the evaporated water vapor is condensed into water in the condensation cavity 271, and the condensed water is collected and sprayed again by using the atomizing nozzle 24, so that the water resource utilization rate is increased.

As an embodiment of the present utility model, the inner shell 22 is provided with a plurality of drain holes 241, and the drain holes 241 are respectively connected to the inner shell 22 and the storage cavity 25.

Specifically, as shown in fig. 2 and 3, the water-dust mixture is more conveniently introduced into the storage cavity 25 for storage under the action of the water-dust mixture through the drain hole 241, so that the mixture is reduced from accumulating in the inner shell 22.

As a further embodiment of the present utility model, an absorption chamber 26 is formed between the inner shell 22 and the outer shell 21, and the absorption chamber 26 is respectively communicated with the storage chamber 25 and the condensation chamber 271.

Specifically, as shown in fig. 2, 3 and 4, the water vapor generated when the heating plate 251 is operated is transferred into the condensation chamber 271 through the absorption chamber 26, providing a space required for the water vapor to float upward.

As another embodiment of the present utility model, a plurality of first air intake nozzles 211 are provided on the outer shell 21 in a communicating manner, and a plurality of second air intake nozzles 221 are provided on the inner shell 22 in a communicating manner, wherein:

the absorption cavity 26 is matched with the first air inlet nozzle 211 and the second air inlet nozzle 221 respectively.

Specifically, as shown in fig. 2 and 3, the dust gas in the air chamber 23 enters the inner shell 22 through the absorption chamber 26, so that the dust gas in the absorption chamber 26 is mixed with water vapor generated by the evaporation of the heating plate 251, the dust gas is subjected to additional dust fall treatment, and the water vapor is mixed with the dust and enters the storage chamber 25 through the through holes in the heating plate 251, thereby increasing the dust treatment efficiency.

As still another embodiment further provided by the present utility model, the collecting hood 27 is fixedly installed on the inner case 22, and the condensing chamber 271 is provided between the collecting hood 27 and the outer case 21.

Specifically, as shown in fig. 2 and 4, the collecting hood 27 is annularly arranged on top of the inner case 22, and the collecting hood 27 has an inverted mesa in section. The water droplets condensed on the top of the outer shell 21 are more conveniently stored in the condensing chamber 271 through the collecting cover 27, and the condition that the condensed water droplets directly flow downwards from the top of the inner shell 22 is reduced, so that the collecting cover 27 has the capacity to provide additional water supplementing work for the atomizing nozzle 24.

As still another embodiment of the present utility model, the water replenishing pipe 28 is provided on the housing 21 in a communicating manner, and the water replenishing pipe 28 is connected to the condensation chamber 271.

Specifically, as shown in fig. 2 and 4, a portion of the branch of the water replenishment pipe 28 is directly connected to the atomizing head 24. Some water must be carried away when the mixture is discharged through the discharge pipe 252, so that the water supplementing pipe 28 can supplement water to the atomizing nozzle 24 and the condensation chamber 271, so as to ensure the mixing efficiency of water mist and water vapor to dust.

As still another embodiment of the present utility model, the main bracket 13 is fixedly installed between the outer housing 21 and the process cover 1, and the sub-bracket 14 is fixedly installed between the inner housing 22 and the outer housing 21.

Specifically, as shown in fig. 2 and 3, the stability of the outer shell 21 during operation can be increased by the main support 13, and the stability of the inner shell 22 during operation can be increased by the auxiliary support 14, and meanwhile, the main support 13 and the auxiliary support 14 do not interfere with the operation of each cavity.

As a further embodiment of the present utility model, the port of the treatment housing 1 is fixedly sleeved with a butt flange 12.

Specifically, as shown in fig. 1 and fig. 2, the exhaust pipe and the butt flange 12 are matched with bolts and nuts, so that the treatment cover 1 can be more conveniently and directly installed on the exhaust pipe, and the treatment cover 1 can conveniently and directly treat dust discharged from the top of the exhaust pipe.

As yet another embodiment further provided by the present utility model, the filter collar plate 231 is embodied as an activated carbon plate.

Through the filter collar plate 231 effect of activated carbon plate for the high-efficient adsorptivity that activated carbon self had can carry out the absorption treatment to the dust, can increase the absorption efficiency to the dust under the condition that a plurality of activated carbon plates used mutually in coordination simultaneously.

Working principle: the treatment cover 1 is arranged on the exhaust pipe under the action of the butt flange 12, and then the exhaust pipe blows the gas with dust into the treatment cover 1, so that the dust is filtered under the action of the plurality of filter plates 231, and the treated gas is discharged through the exhaust hole 11; meanwhile, part of the filtered gas of residual dust enters the inner shell 22 through the air cavity 23 and is mixed with the dust under the action of the atomizing nozzle 24, so that the mixture passes through a drain hole 241 formed in the bottom of the inner shell 22 along with the action of gravity and is collected in the storage cavity 25, and the mixture is discharged and collected from the treatment cover 1 through the discharge pipe 252, so that the dust discharged by the exhaust pipe can be efficiently absorbed; when the heating plate 251 works, the water in the mixture is heated and evaporated, so that the evaporated water vapor is condensed into water in the condensation cavity 271, and the condensed water is collected and sprayed by the atomizing nozzle 24, so that the water resource utilization rate is increased, and the dust gas in the absorption cavity 26 is mixed by the water vapor generated by the evaporation of the heating plate 251, so that the dust gas is subjected to additional dust fall treatment, and the water vapor is mixed with the dust and enters the storage cavity 25 through the through holes in the heating plate 251, so that the dust treatment efficiency is increased.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides an asphalt mixing building dust recovery unit, its characterized in that, including one side has seted up the processing cover (1) of exhaust hole (11), still including processing cover (1) internal fixation's shell (21), fixed mounting has inner shell (22) in shell (21), wherein:

the outer shell (21) is matched with the treatment cover (1) to form a wind cavity (23), a plurality of filter ring plates (231) are fixedly arranged in the wind cavity (23), and the wind cavity (23) is communicated with the inner shell (22);

an atomization nozzle (24) is fixedly arranged on the inner shell (22), the outer shell (21) is matched with the inner shell (22) to form a storage cavity (25), and the storage cavity (25) is communicated with a discharge pipe (252) fixedly arranged on the outer shell (21);

the storage cavity (25) is internally and fixedly provided with a heating plate (251), the outer shell (21) is matched with the inner shell (22) to form a condensation cavity (271), and the condensation cavity (271) is respectively matched with the heating plate (251) and the atomizing nozzle (24).

2. The dust recycling device of the asphalt mixing plant according to claim 1, wherein a plurality of drain holes (241) are formed in the inner shell (22), and the drain holes (241) are respectively communicated with the inner shell (22) and the storage cavity (25).

3. The dust recycling device of the asphalt mixing plant according to claim 1, wherein an absorption cavity (26) is formed between the inner shell (22) and the outer shell (21), and the absorption cavity (26) is respectively communicated with the storage cavity (25) and the condensation cavity (271).

4. A dust recycling apparatus for asphalt mixing plants according to claim 3, characterized in that said outer shell (21) is provided with a plurality of first air inlet nozzles (211) in communication, said inner shell (22) is provided with a plurality of second air inlet nozzles (221) in communication, wherein:

the absorption cavity (26) is matched with the first air inlet nozzle (211) and the second air inlet nozzle (221) respectively.

5. The dust recycling device of the asphalt mixing plant according to claim 1, wherein a collecting cover (27) is fixedly arranged on the inner shell (22), and the condensing cavity (271) is arranged between the collecting cover (27) and the outer shell (21).

6. The dust recycling device of the asphalt mixing plant according to claim 1, wherein a water supplementing pipe (28) is communicated with the shell (21), and the water supplementing pipe (28) is communicated with the condensing cavity (271).

7. The dust recycling device of the asphalt mixing plant according to claim 1, wherein a main support (13) is fixedly arranged between the outer shell (21) and the treatment cover (1), and an auxiliary support (14) is fixedly arranged between the inner shell (22) and the outer shell (21).

8. The dust recycling device of the asphalt mixing plant according to claim 1, wherein a butt flange (12) is fixedly sleeved at the port of the treatment cover (1).

9. The asphalt mixing plant dust recycling apparatus according to claim 1, wherein said filter collar plate (231) is embodied as an activated carbon plate.