CN216023683U - Dust treatment equipment for asphalt stirring - Google Patents

Abstract

The utility model discloses a dust treatment device for asphalt stirring, which comprises a stirrer and a feeding system (1), wherein the feeding system comprises a stabilizing frame and a plurality of asphalt tanks (2) fixed on the stabilizing frame; the device is characterized by further comprising a dust treatment mechanism, wherein the dust treatment mechanism comprises a transportation area dust collection assembly, the transportation area dust collection assembly comprises a dust collection hopper (21) fixed on the top surface of the inner side of the material receiving transportation room (6), a dust collection area is formed in the middle of the dust collection hopper (21), a dust outlet of the dust collection hopper (21) is connected with a dust collection pump through a first dust collection pipe, and a dust collection port of the dust collection hopper (21) corresponds to a feed inlet on an asphalt transportation vehicle which is matched with the dust collection hopper for use; and a discharge port of the overflow bin (5) penetrates through the material receiving and transporting room (6) and is positioned in the dust absorption area. The asphalt stirring dust treatment equipment provided by the utility model has the functions of absorbing and treating dust in each sealed space of the asphalt stirring equipment, and can also improve the dust filtering effect.

Description

Dust treatment equipment for asphalt stirring

Technical Field

The utility model relates to the field of asphalt stirring equipment, in particular to dust treatment equipment for asphalt stirring.

Background

The asphalt mixing plant, also called asphalt concrete mixing plant, is a complete equipment for producing asphalt concrete in batches, can produce asphalt mixture, modified asphalt mixture and color asphalt mixture, and is necessary equipment for building expressways, grade highways, municipal roads, airports and ports. The existing asphalt mixing plant mainly comprises a cold material system, a drying system, a hot material lifting system, a vibrating screen system, a hot material bin system, a metering and mixing system, a dust removal system, a control system and the like. The cold material system is connected with the drying system, the drying system is connected with the hot material lifting system, the hot material lifting system is connected with the vibrating screen system, the vibrating screen system is connected with the hot material bin system, the hot material bin system is connected with the metering and stirring system, the dust removal system is connected with the drying system, and the control system is used for controlling the systems. Along with the national economic development and the sound national environmental protection, people continuously strengthen the awareness of the environment and pay more and more attention to the problem of asphalt pollution. However, dust generated in each sealed space in the asphalt stirring equipment can influence asphalt to a certain extent, and if only a dust collection device is adopted, large-particle dust in the dust collection device can destroy the treatment effect of the dust treatment device after being accumulated for a long time, so that the stirring efficiency of the asphalt is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a dust treatment device for asphalt stirring, so that the defects are overcome.

The purpose of the utility model is realized by the following technical scheme:

the dust treatment equipment for asphalt stirring comprises a stirrer and a feeding system, wherein the feeding system comprises a stabilizing frame and a plurality of asphalt tanks fixed on the stabilizing frame;

the overflow system comprises an overflow frame, the stirrer is fixed on the overflow frame, an overflow bin is also fixed on the overflow frame, the discharge end of the stirrer is connected with the feed inlet of the overflow bin, and a material receiving and transporting room is also arranged at the lower side of the overflow frame;

the heat conduction oil system comprises a diesel tank, the diesel tank is fixed on a stabilizing frame, the diesel tank is connected with a burner, a drying roller and a heat conduction oil furnace through pipelines, the output end of the heat conduction oil furnace is connected with a heat conduction pipeline, and the heat conduction pipeline is spirally wound on the outer side wall of the asphalt tank; a circulating pipeline is communicated among the asphalt tanks, a circulating pump, an asphalt charging pump and a discharging pipe are connected to the circulating pipeline, and the tail end of the discharging pipe is connected with the feeding end of the stirrer;

the device is characterized by further comprising a dust treatment mechanism, wherein the dust treatment mechanism comprises a transportation area dust collection assembly, the transportation area dust collection assembly comprises at least one dust collection hopper fixed on the top surface of the inner side of the material receiving transportation room, a dust collection area is formed in the middle of the dust collection hopper, a dust outlet of the dust collection hopper is connected with a dust collection pump through a first dust collection pipe, and a dust collection port of the dust collection hopper corresponds to a feed inlet on an asphalt transportation vehicle which is matched with the dust collection hopper; and a discharge port of the overflow bin penetrates through the material receiving and transporting room and is positioned in the dust absorption area.

Furthermore, the dust treatment mechanism also comprises a flash bin dust collection assembly, the flash bin dust collection assembly comprises an installation frame arranged outside the flash frame, a single bag type dust collector is fixed on the installation frame, a dust collection port of the single bag type dust collector is hermetically connected with a first dust collection pipe, the tail end of the first dust collection pipe is hermetically connected with a second dust collection pipe, the side wall of the second dust collection pipe is hermetically connected with a plurality of short dust collection pipes, and the extension ends of the short dust collection pipes are communicated with the inside of the flash bin; the second dust collection pipe sleeve is provided with two fixing rings, a fixing piece is fixed on the outer side of the overflowing bin, and the fixing piece and the corresponding fixing ring are connected and fixed through a connecting plate.

Further, dust disposal mechanism still includes jar district dust absorption subassembly, jar district dust absorption subassembly including connect in third dust absorption pipeline on the first dust absorption pipeline, the extension end of third dust absorption pipeline is connected with a plurality of pitch jar dust absorption pipes through three way connection, and is a plurality of the output of pitch jar dust absorption pipe is linked together with pitch jar inside respectively.

Furthermore, at least one filtering component is arranged in the first dust suction pipe, the second dust suction pipe and the third dust suction pipe respectively, the filtering component comprises a filtering shell, an opening is formed in the filtering shell, a limiting shell is clamped at the opening end of the filtering shell, a plurality of air holes are formed in the filtering shell and the limiting shell, a filtering cavity is formed between the filtering shell and the limiting shell, and a filtering screen is arranged in the filtering cavity.

Furthermore, the whole limiting shell is of a hollow round platform structure, the cross section of the limiting shell is trapezoidal, the upper bottom end of the limiting shell is located in the filtering shell, the lower bottom end of the limiting shell is provided with a clamping groove structure which is turned outwards, and the clamping groove structure is clamped with the opening end of the limiting shell.

Furthermore, a limiting ring is clamped on the inner wall of the filter shell, the opening end of the filter screen is fixed on the inner side end of the limiting ring, and the limiting ring is positioned in the filter cavity; the filter shell is formed by fixedly connecting a cylindrical structure and a circular truncated cone structure, a limiting folding surface is formed at the joint of the filter shell, and the limiting ring is clamped on the inner side surface of the limiting folding surface.

The utility model has the beneficial effects that:

the asphalt stirring dust treatment equipment provided by the utility model respectively absorbs dust in the material receiving transport room, the overflowing bin and the asphalt tank through the dust absorption pump and the single bag type dust collector, and then treats the dust through the dust treatment device, so that the dust in each sealed space of the asphalt stirring equipment can be absorbed and treated; change equipment and filter the large granule dust through set up filtering component in the pipeline, this equipment filters the interception through the large granule in the filter screen in the filtering component to the dust, make the work efficiency who improves dust treatment device, this equipment passes through the setting of the spacing shell in the filtering component, make the large granule dust get into filter shell in the filter screen after, can not drop from filtering the shell easily, this equipment passes through the setting of the spacing ring in the filtering component, make the staff of being convenient for in the later stage take out the filter screen and clean.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the construction of the flash tank suction assembly and the flash system;

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

fig. 4 is a cross-sectional view of the filter assembly.

In the figure, 1-a feeding system, 2-an asphalt tank, 21-a first dust absorption pipe, 3-a flash system, 4-a flash frame, 5-a flash bin, 6-a material receiving and transporting room, 7-a diesel tank, 8-a burner, 9-a drying roller, 10-a heat conducting oil furnace, 19-a mounting rack, 20-a single-machine bag type dust remover, 11-a second dust absorption pipe, 12-a fixing ring, 13-a fixing piece, 14-a connecting plate, 15-an asphalt tank dust absorption pipe, 16-a filter shell, 17-a limiting shell, 18-a limiting ring and 161-a limiting folded surface.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

In the first embodiment, as shown in fig. 1 to 4, an asphalt-stirred dust treatment device includes a stirrer and a feeding system 1, where the feeding system includes a stabilizing frame and a plurality of asphalt tanks 2 fixed on the stabilizing frame; the bitumen is stored by a feed system.

The overflow system 3 comprises an overflow frame 4, the stirrer is fixed on the overflow frame 4, an overflow bin 5 is also fixed on the overflow frame 4, the discharge end of the stirrer is connected with the feed inlet of the overflow bin 5, and a material receiving and transporting room 6 is also arranged at the lower side of the overflow frame 4; the asphalt is stirred by the stirrer and then stored in the flash bin.

The heat conduction oil system comprises a diesel tank 7, the diesel tank 7 is fixed on a stabilizing frame, the diesel tank 7 is connected with a burner 8, a drying roller 9 and a heat conduction oil furnace 10 through pipelines, the output end of the heat conduction oil furnace 10 is connected with a heat conduction pipeline, and the heat conduction pipeline is spirally wound on the outer side wall of the asphalt tank 2; a plurality of circulation pipeline is communicated between the asphalt tanks 2, the circulation pipeline is connected with a circulation pump, an asphalt feeding pump and a discharge pipe, and the tail end of the discharge pipe is connected with the feed end of the stirrer. The heat released during the combustion of diesel oil is absorbed from the combustor in a closed circulating system through heat transfer oil as heat transfer medium, so that the temperature is raised, the high-temperature heat transfer oil heats the asphalt and asphalt pipelines through the circulating pipeline, and the heat transfer oil after being cooled is heated again and repeatedly until the asphalt and the pipelines reach the required temperature.

The material receiving transport room 6 is used for receiving materials in the transport vehicle and transporting the materials outwards.

The device is characterized by further comprising a dust treatment mechanism, wherein the dust treatment mechanism comprises a transportation area dust collection assembly, the transportation area dust collection assembly comprises at least one dust collection hopper fixed on the top surface of the inner side of the material receiving transportation room 6, a dust collection area is formed in the middle of the dust collection hopper, a dust outlet of the dust collection hopper is connected with a dust collection pump through a first dust collection pipe, and a dust collection port of the dust collection hopper corresponds to a feed inlet on an asphalt transportation vehicle which is matched with the dust collection hopper; and a discharge port of the overflow bin 5 penetrates through the material receiving and transporting room 6 and is positioned in the dust absorption area. In this embodiment, the discharge end of the flash bin and the suction end of the first dust suction pipe are both in the dust suction area, the outer section of the dust suction pump is connected with a dust treatment device, the dust treatment device adopts the prior art, and details are not described herein; through the formation in dust absorption district for when the overflow storehouse carries out pitch transmission to outside transport vechicle, the dust that its produced can be absorbed dust treatment device and purify and decompose.

Through the technical scheme, the specific implementation mode is as follows: the asphalt is heated, stirred and then conveyed to a transport vehicle, and dust generated in the conveying process can be sucked to a dust treatment device for treatment.

In an embodiment, the method further comprises the following steps: the dust treatment mechanism further comprises a flash bin dust collection assembly, the flash bin dust collection assembly comprises an installation frame 19 arranged on the outer side of the flash frame 4, a single bag type dust collector 20 is fixed on the installation frame 19, a dust collection port of the single bag type dust collector 20 is hermetically connected with a first dust collection pipe 21, the tail end of the first dust collection pipe 21 is hermetically connected with a second dust collection pipe 11, the side wall of the second dust collection pipe 11 is hermetically connected with a plurality of short dust collection pipes, and the extension ends of the short dust collection pipes are communicated with the interior of the flash bin 5; the second dust suction pipe 11 is sleeved with two fixing rings 12, fixing pieces 13 are fixed on the outer side of the overflow bin 5, and the fixing pieces 13 and the corresponding fixing rings 12 are connected and fixed through connecting plates 14. In this embodiment, the single bag filter adopts the prior art, and the specific structure thereof is not described herein again; the second dust collection pipe is fixedly connected through a connecting plate, a fixing plate and a fixing ring, the connecting part of the connecting plate, the fixing plate and the fixing ring is fixed through bolts, and the outer side end of the single bag type dust collector is also communicated with a dust treatment device; through the arrangement of the dust collection assembly of the flash bin, the flash bin is in a dust-free state for a long time, and the risk of asphalt pollution is reduced.

Through the arrangement of the technical scheme, the single bag type dust collector is used for collecting dust in the overflow bin and then transmitting the dust to the dust treatment device for treatment.

In an embodiment, the method further comprises the following steps: dust disposal mechanism still includes jar district dust absorption subassembly, jar district dust absorption subassembly including connect in third dust absorption pipeline on the first dust absorption pipeline, the extension end of third dust absorption pipeline is connected with a plurality of pitch jar dust absorption pipes 15 through three way connection, and is a plurality of pitch jar dust absorption pipe 15's output is linked together with pitch jar 2 insides respectively. Through the setting of tank field dust extraction subassembly for the inside dust of pitch jar 2 can be siphoned away, makes to reduce the contaminated risk of pitch.

Through the setting of above-mentioned technical scheme: the interior of the asphalt tank 2 is subjected to dust collection through a dust collection pump and is conveyed to a dust treatment device for treatment.

In an embodiment, the method further comprises the following steps: the dust collecting device is characterized in that at least one filtering component is arranged in each of the first dust collecting pipe, the second dust collecting pipe and the third dust collecting pipe, each filtering component comprises a filtering shell 16, an opening is formed in each filtering shell 16, a limiting shell 17 is clamped at the opening end of each filtering shell 16, a plurality of air holes are formed in each filtering shell 16 and each limiting shell 17, a filtering cavity is formed between each filtering shell 16 and each limiting shell 17, and a filter screen is arranged in each filtering cavity. In this embodiment, the opening of the filter housing 16 is aligned with the direction of gas flow within the duct.

Through the technical scheme, the specific implementation mode is as follows: the large particles in the dust are filtered and intercepted through the filter screen, so that the working efficiency of the dust treatment device is improved.

In an embodiment, the method further comprises the following steps: the whole limiting shell 17 is of a hollow round platform structure, the cross section of the limiting shell 17 is trapezoidal, the upper bottom end of the limiting shell is located in the filtering shell 16, the lower bottom end of the limiting shell is provided with a clamping groove structure which is turned outwards, and the clamping groove structure is clamped with the opening end of the limiting shell 17.

Through the technical scheme, the specific implementation mode is as follows: through the setting with the spacing shell 17 of joint for behind the filter screen of large granule dust in getting into the filter shell, can not drop easily from filtering in the shell.

In an embodiment, the method further comprises the following steps: a limiting ring 18 is clamped on the inner wall of the filter shell 16, the open end of the filter screen is fixed on the inner side end of the limiting ring, and the limiting ring 18 is positioned in the filter cavity; the filter shell 16 is formed by fixedly connecting a cylindrical structure and a circular truncated cone structure, a limiting folding surface 161 is formed at the joint of the cylindrical structure and the circular truncated cone structure, and the limiting ring 18 is clamped on the inner side surface of the limiting folding surface 161. In this embodiment, the angle of the limiting folding surface 161 ranges from 10 to 90 degrees.

Through above-mentioned technical scheme, through the spacing ring 18 that the card was established for the staff of being convenient for in the later stage takes out the filter screen and cleans.

In an embodiment, the method further comprises the following steps: rectangular hole has all been seted up on first dust absorption pipe, second dust absorption pipe and the third dust absorption pipe, it has the shrouding to articulate on the rectangular hole, the inboard mounted position that is filtering component of rectangular hole and shrouding, the mounted position is gone up and is located and has bellied first reference column on the inner wall of first dust absorption pipe, second dust absorption pipe and third dust absorption pipe, bellied second reference column has on the medial surface of shrouding, the constant head tank has been seted up on filtering shell 16, the constant head tank suits with first reference column and second reference column respectively. In this embodiment, through the setting of constant head tank, first reference column and second reference column for this filter assembly's whole is convenient for install and is fixed.

Through the technical scheme, the specific implementation mode is as follows: open the shrouding earlier, then will filter the constant head tank on the shell and aim at first reference column and fix, then close the shrouding, the second reference column can aim at the constant head tank and carry out spacing fixedly.

In the second embodiment, the difference between the present embodiment and the first embodiment is: the outer side end of the limiting shell 17 forms a limiting folding edge, and the limiting folding edge is attached to the opening end of the limiting shell 17 and fixed through limiting.

The working principle of the utility model is as follows:

respectively absorbing dust in the material receiving and transporting room 6, the flash bin 5 and the asphalt tank 2 by a dust absorption pump and a single bag type dust collector 20, and then treating the dust by a dust treatment device; in order to prevent that the large granule dust from carrying out processing apparatus to the dust and causing destruction, just filter the large granule dust through set up filtering component in the pipeline, then regularly clean filtering component through the staff.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The dust treatment equipment for asphalt stirring comprises a stirrer and a feeding system (1), wherein the feeding system comprises a stabilizing frame and a plurality of asphalt tanks (2) fixed on the stabilizing frame; further comprising:

the material overflowing system (3), the material overflowing system (3) comprises a material overflowing rack (4), the stirrer is fixed on the material overflowing rack (4), a material overflowing bin (5) is further fixed on the material overflowing rack (4), the discharge end of the stirrer is connected with the feed inlet of the material overflowing bin (5), and a material receiving and transporting room (6) is further arranged on the lower side of the material overflowing rack (4);

the heat conduction oil system comprises a diesel oil tank (7), the diesel oil tank (7) is fixed on a stabilizing frame, the diesel oil tank (7) is connected with a burner (8), a drying roller (9) and a heat conduction oil furnace (10) through pipelines, the output end of the heat conduction oil furnace (10) is connected with a heat conduction pipeline, and the heat conduction pipeline is spirally wound on the outer side wall of the asphalt tank (2); a plurality of the intercommunication has circulating line between pitch jar (2), last circulating pump, the pitch charge pump and the discharging pipe of being connected with of circulating line, the end of discharging pipe is connected with the feed end of agitator, its characterized in that:

the device is characterized by further comprising a dust treatment mechanism, wherein the dust treatment mechanism comprises a transportation area dust collection assembly, the transportation area dust collection assembly comprises a dust collection hopper fixed on the top surface of the inner side of the material receiving transportation room (6), a dust collection area is formed in the middle of the dust collection hopper, a dust outlet of the dust collection hopper is connected with a dust collection pump through a first dust collection pipe, and a dust collection port of the dust collection hopper corresponds to a feed inlet on an asphalt transportation vehicle which is matched with the dust collection hopper; and a discharge port of the overflow bin (5) penetrates through the material receiving and transporting room (6) and is positioned in the dust absorption area.

2. The asphalt agitated dust handling equipment of claim 1, further comprising: the dust treatment mechanism further comprises a flash bin dust collection assembly, the flash bin dust collection assembly comprises a mounting frame (19) arranged on the outer side of the flash frame (4), a single bag type dust collector (20) is fixed on the mounting frame (19), a dust collection port of the single bag type dust collector (20) is hermetically connected with a first dust collection pipe (21), the tail end of the first dust collection pipe (21) is hermetically connected with a second dust collection pipe (11), the side wall of the second dust collection pipe (11) is hermetically connected with a plurality of short dust collection pipes, and the extension ends of the short dust collection pipes are communicated with the interior of the flash bin (5); the second dust collection pipe (11) is sleeved with two fixing rings (12), fixing pieces (13) are fixed on the outer sides of the overflow bins (5), and the fixing pieces (13) are connected and fixed with the corresponding fixing rings (12) through connecting plates (14).

3. The asphalt mixing dust handling equipment of claim 2, wherein: dust disposal mechanism still includes jar district dust absorption subassembly, jar district dust absorption subassembly including connect in third dust absorption pipeline on the first dust absorption pipeline, the extension end of third dust absorption pipeline is connected with a plurality of pitch jar dust absorption pipes (15), and is a plurality of the output of pitch jar dust absorption pipe (15) is linked together with pitch jar (2) inside respectively.

4. A bitumen agitated dust handling equipment as claimed in claim 3 wherein: at least one filtering component is arranged in the first dust suction pipe, the second dust suction pipe and the third dust suction pipe respectively, the filtering component comprises a filtering shell (16), an opening is formed in the filtering shell (16), a limiting shell (17) is clamped at the opening end of the filtering shell (16), a plurality of air holes are formed in the filtering shell (16) and the limiting shell (17), a filtering cavity is formed between the filtering shell (16) and the limiting shell (17), and a filtering screen is arranged in the filtering cavity.

5. The asphalt mixing dust handling equipment of claim 4, wherein: the limiting shell (17) is integrally of a hollow round table structure, the cross section of the limiting shell (17) is trapezoidal, the upper bottom end of the limiting shell is located in the filtering shell (16), the lower bottom end of the limiting shell is provided with a clamping groove structure which is turned outwards, and the clamping groove structure is clamped with the opening end of the limiting shell (17).

6. The asphalt mixing dust handling equipment of claim 4, wherein: a limiting ring (18) is clamped on the inner wall of the filter shell (16), the open end of the filter screen is fixed on the inner side end of the limiting ring, and the limiting ring (18) is positioned in the filter cavity; the filter shell (16) is formed by fixedly connecting a cylindrical structure and a circular truncated cone structure, a limiting folding surface (161) is formed at the joint of the filter shell and the circular truncated cone structure, and the limiting ring (18) is clamped on the inner side surface of the limiting folding surface (161).

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