CN111318089A - Highway pitch harmful gas collection device under high temperature environment - Google Patents
Highway pitch harmful gas collection device under high temperature environment Download PDFInfo
- Publication number
- CN111318089A CN111318089A CN202010131738.7A CN202010131738A CN111318089A CN 111318089 A CN111318089 A CN 111318089A CN 202010131738 A CN202010131738 A CN 202010131738A CN 111318089 A CN111318089 A CN 111318089A
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- CN
- China
- Prior art keywords
- fixedly connected
- temperature environment
- asphalt
- circulation chamber
- collecting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
Abstract
The invention discloses a device for collecting harmful gas in highway asphalt in a high-temperature environment, which comprises a collector and a filter tank, wherein the filter tank is fixedly connected to the upper end of the collector, a main circulation chamber is arranged in the collector, a plurality of auxiliary circulation chambers are symmetrically arranged on two sides of the main circulation chamber, the auxiliary circulation chambers are communicated with the main circulation chamber, a fan is rotatably arranged in each auxiliary circulation chamber, a third filter layer and a second filter layer are arranged in the main circulation chamber, the third filter layer is arranged above the second filter layer, and a sealing cover is clamped on the filter tank. According to the device for preventing the asphalt pavement from synchronously moving along with the asphalt paving machine on the asphalt pavement which is just paved, the device is provided with the plurality of circulation cavities, harmful gas emitted by asphalt can be absorbed, a large amount of gas which begins to be emitted is absorbed into the device in time, and harmful components in the harmful gas are filtered through the filter layers, so that the collection and treatment of the harmful gas are realized.
Description
Technical Field
The invention relates to the technical field of gas collecting devices, in particular to a device for collecting harmful gas of highway asphalt in a high-temperature environment.
Background
The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, the asphalt is a waterproof, moistureproof and anticorrosive organic cementing material, the petroleum asphalt is residue after crude oil distillation, the natural asphalt is stored underground, some ore layers are formed or are accumulated on the surface of crust, the asphalt is mainly used for industries such as paint, plastic, rubber and the like and paving pavements, people can often see asphalt paved pavements, the asphalt pavements refer to various pavements paved by using asphalt materials mixed with mineral materials, and the asphalt binder improves the capability of paving granules for resisting damages of driving and natural factors to the pavements, so that the pavements are smooth, less in dust, waterproof and durable, therefore, the asphalt pavements are the high-grade pavements which are most widely used in road construction.
In the process of asphalt pavement and after the asphalt pavement is paved, particularly in high-temperature environmental weather, more harmful gas can be emitted from the pavement on which the asphalt is just paved, and in the initial stage of asphalt pavement paving, as the asphalt needs to be paved in a hot-melting state, the harmful gas is more easily emitted under the condition of high-temperature weather, although the harmful gas on an asphalt road can be gradually reduced, the harmful gas is not solidified when the asphalt road is just paved, the amount of the emitted harmful gas is the largest, and the emission of the harmful gas can pollute the air and also cause troubles for pedestrians.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: in the initial stage of asphalt pavement laying, harmful gas is more easily emitted under the condition of high-temperature weather roasting, and the provided device for collecting harmful gas in highway asphalt in a high-temperature environment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a device for collecting harmful gas in road asphalt in a high-temperature environment comprises a collector and a filter tank, wherein the filter tank is fixedly connected to the upper end of the collector, a main circulation chamber is arranged in the collector, a plurality of auxiliary circulation chambers are symmetrically arranged on two sides of the main circulation chamber and are communicated with the main circulation chamber, a fan is rotatably arranged in each auxiliary circulation chamber, a third filter layer and a second filter layer are arranged in the main circulation chamber, the third filter layer is arranged above the second filter layer, a sealing cover is clamped on the filter tank and is connected with a plurality of outlets, a shell is symmetrically and fixedly arranged on the collector, a driving mechanism is arranged in the shell and is connected with each fan, walking mechanisms are symmetrically arranged on two sides of the collector, and supporting columns are symmetrically and fixedly connected with two sides of the collector, the upper end of the support is fixedly connected with the filter tank.
Preferably, actuating mechanism includes the worm, the worm rotates to be installed in the casing, every the equal fixedly connected with driven worm wheel in one side of fan, fixed mounting has driving motor in the casing, driving motor's drive end fixedly connected with drive worm wheel, drive worm wheel and worm meshing, it is a plurality of driven worm wheel also meshes with the worm.
Preferably, running gear includes first gyro wheel, second gyro wheel and vertical axis, the both sides at the collection body are installed to the vertical axis, be connected with the cross axle between second gyro wheel and the first gyro wheel, cross axle and vertical axis fixed connection, first gyro wheel rotates the one end of installing at the cross axle, the other end fixed mounting of cross axle has the walking motor, the drive end fixedly connected with pivot of walking motor, pivot and second gyro wheel fixed connection.
Preferably, the position that the collector is close to running gear is fixed to be installed and is gone up the connecting block down, the pillar is close to running gear's position fixedly connected with and goes up the connecting block, the vertical axis passes connecting block and lower connecting block, be provided with the fixture block on the inner wall of lower connecting block, set up the spout that corresponds with the fixture block on the vertical axis, a plurality of screw holes have been seted up to the symmetry on the vertical axis, it is connected with the vertical axis through the screw bolt to go up the connecting block, the screw bolt screw thread passes the screw hole.
Preferably, every the opening has all been seted up to one side of assisting circulation chamber, the mounting groove is installed to the opening part, the mounting groove joint is assisting in the circulation chamber, be provided with first filter layer on the mounting groove, the both sides outer wall of mounting groove is provided with the rubber layer, the both sides of mounting groove are the fixed mounting of symmetry still has the installation piece, the installation piece passes through screw fixed connection with the outer wall of the collection body.
Preferably, one side of the collection body, which is far away from the mounting groove, is fixedly provided with a handrail, the collection body is provided with a clamping groove, and the handrail is fixedly connected with the collection body through the clamping groove.
Preferably, the outer side of the second roller is provided with a counterweight, and the counterweight is made of stainless steel.
Compared with the prior art, the invention has the beneficial effects that:
1. through preventing this device along with asphalt paving machine synchronous movement on the bituminous paving that just laid, a plurality of circulation chambeies have been seted up to this device, and the harmful gas that pitch was dispersed can be absorbed and fall, and this device is absorbed to timely a large amount of gases that will begin to give off to filter the harmful component in the harmful gas through each filter layer, realize the collection and the processing to harmful gas.
2. Running gear is installed to the both sides of this device, and running gear can realize the automatically move of this device, also can the manual movement simultaneously to the needs in different places are adapted to, thereby the people of being convenient for use.
Drawings
FIG. 1 is a schematic structural diagram of a front side of a harmful gas collecting device for highway asphalt in a high-temperature environment according to the present invention;
FIG. 2 is a schematic structural diagram of a side surface of a harmful gas collecting device for road asphalt in a high temperature environment according to the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 1;
FIG. 4 is a schematic view of the structure at B in FIG. 1;
fig. 5 is a schematic structural diagram at C in fig. 1.
In the figure: 1 collection body, 2 auxiliary circulation chambers, 3 pillars, 4 filter tanks, 5 first rollers, 6 sealing covers, 7 outlets, 8 vertical shafts, 9 second filter layers, 10 third filter layers, 11 main circulation chambers, 12 worms, 13 fans, 14 machine cases, 15 rubber layers, 16 handrails, 17 transverse shafts, 18 second rollers, 19 walking motors, 20 rotating shafts, 21 clamping blocks, 22 lower connecting blocks, 23 threaded holes, 24 sliding grooves, 25 threaded bolts, 26 upper connecting blocks, 27 driving motors, 28 driving worm wheels, 29 driven worm wheels, 30 first filter layers, 31 mounting grooves, 32 openings and 33 mounting pieces.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a device for collecting harmful gases in road asphalt in a high-temperature environment comprises a collector 1 and a filter tank 4, wherein the filter tank 4 is fixedly connected to the upper end of the collector 1, a main circulation chamber 11 is arranged in the collector 1, a plurality of auxiliary circulation chambers 2 are symmetrically arranged on two sides of the main circulation chamber 11, the plurality of auxiliary circulation chambers 2 are communicated with the main circulation chamber 11, a fan 13 is rotatably arranged in each auxiliary circulation chamber 2, a third filter layer 10 and a second filter layer 9 are arranged in the main circulation chamber 11, the third filter layer 10 is arranged above the second filter layer 9, a sealing cover 6 is clamped on the filter tank 4, a plurality of outlets 7 are connected on the sealing cover 6, a casing 14 is symmetrically and fixedly arranged on the collector 1, a driving mechanism is arranged in the casing 14 and connected with each fan 13, walking mechanisms are symmetrically arranged on two sides of the collector 1, pillars 3 are symmetrically and fixedly connected on two sides of the collector 1, the upper end of the pillar 3 is fixedly connected with the filter tank 4;
wherein, the driving mechanism includes the worm 12, the worm 12 is installed in the chassis 14 rotatably, one side of each fan 13 is fixedly connected with the driven worm wheel 29, the chassis 14 is internally fixedly installed with the driving motor 27, the driving end of the driving motor 27 is fixedly connected with the driving worm wheel 28, the driving worm wheel 28 is engaged with the worm 12, a plurality of driven worm wheels 29 are also engaged with the worm 12, when gas is collected, the driving motor 27 of the driving mechanism drives the driving worm wheel 28 to rotate through the driving end, because the driving worm wheel 28 is engaged with the worm 12, the rotation of the driving worm wheel 28 can drive the worm 12 to rotate, when the worm 12 rotates, each driven worm wheel 29 engaged with the worm will also rotate, each fan 13 will rotate under the drive of the driven worm wheel 29, when the fan 13 rotates in each auxiliary circulation cavity 2, the auxiliary air will be driven to flow, so that the air is led to the upper end from the lower end of the circulation cavity, the asphalt which is just laid in a high-temperature environment can emit harmful gases, when the collector 1 passes by the surface of an asphalt road, the emitted gases can be continuously collected and sucked in by the rotation of the fan 13, and the emitted harmful gases can be effectively absorbed by the rotation of the fan 13;
the traveling mechanism comprises a first roller 5, a second roller 18 and a vertical shaft 8, the vertical shaft 8 is installed on two sides of the collector 1, a transverse shaft 17 is connected between the second roller 18 and the first roller 5, the transverse shaft 17 is fixedly connected with the vertical shaft 8, the first roller 5 is rotatably installed at one end of the transverse shaft 17, a traveling motor 19 is fixedly installed at the other end of the transverse shaft 17, a driving end of the traveling motor 19 is fixedly connected with a rotating shaft 20, the rotating shaft 20 is fixedly connected with the second roller 18, the traveling mechanisms on two sides of the collector 1 can realize the movement of the equipment, the traveling motor 19 drives the second roller 18 to rotate through the driving end, the transverse shaft 17 and the vertical shaft 8 are connected on two sides of the collector 1, the second roller 18 can drive the whole equipment to move through the transverse shaft 17 and the vertical shaft 8 when rotating, and the first roller 5 can assist in the movement;
wherein, the position of the collector 1 close to the running gear is fixedly provided with a lower connecting block 22, the position of the support 3 close to the running gear is fixedly connected with an upper connecting block 26, the vertical shaft 8 passes through the upper connecting block 26 and the lower connecting block 22, the inner wall of the lower connecting block 22 is provided with a fixture block 21, the vertical shaft 8 is provided with a chute 24 corresponding to the fixture block 21, the vertical shaft 8 is symmetrically provided with a plurality of threaded holes 23, the upper connecting block 26 is connected with the vertical shaft 8 through a threaded bolt 25, the threaded bolt 25 penetrates through the threaded holes 23, the vertical shaft 8 can slide up and down in the upper connecting block 26 and the lower connecting block 22, the chute 24 slides up and down along the fixture block 21, when the vertical shaft 8 needs to be fixed, the threaded bolt 25 simultaneously penetrates through the upper connecting block 26 and the threaded holes 23 in the vertical shaft 8, the fixing of the vertical shaft 8 relative to the collector 1 is realized, the, particularly, asphalt is easy to accumulate in the laying process;
wherein, one side of each auxiliary circulation cavity 2 is provided with an opening 32, the opening 32 is provided with a mounting groove 31, the mounting groove 31 is clamped in the auxiliary circulation cavity 2, the mounting groove 31 is provided with a first filter layer 30, the outer walls of two sides of the mounting groove 31 are provided with rubber layers 15, two sides of the mounting groove 31 are also symmetrically and fixedly provided with mounting sheets 33, the mounting sheets 33 are fixedly connected with the outer wall of the collector 1 through screws, one side of each auxiliary circulation cavity 2 is provided with an opening 32, the mounting groove 31 is inserted into the auxiliary circulation cavity 2 through the opening 32, the mounting groove 31 is provided with the first filter layer 30, when toxic gas circulates in the auxiliary circulation cavity 2, the first filter layer 30 has the function of filtering solid impurities, and can filter out impurities such as dust and the like generated in the laying process of asphalt, the rubber layers 15 are made of rubber materials, and can ensure that the mounting groove 31 is well adhered and fixed, the mounting pieces 33 on the two sides of the mounting groove 31 are fixed on the collecting body 1 through screws;
wherein, the fixed handrail 16 that is provided with in one side that the mounting groove 31 was kept away from to the collection body 1, the draw-in groove has been seted up on the collection body 1, handrail 16 passes through draw-in groove and collection body 1 fixed connection, the user can be through the draw-in groove with handrail 16 and collection body 1 joint, realize dismantling of handrail 16, the user can remove through handrail 16 pushing equipment, also can dismantle handrail 16 and realize the automatic movement of whole equipment through actuating mechanism, the outside of second gyro wheel 18 is provided with the counter weight, the material of counter weight is the stainless steel, increase the weight of second gyro wheel 18, keep the balance of whole equipment.
In the invention, when a user uses the device, because the harmful gas emitted by the just paved asphalt pavement is the most, the device synchronously moves along the asphalt paving machine, the walking motor 19 drives the rotating shaft 20 to rotate through the driving end, the rotating shaft 20 drives the second roller 18 to rotate, and the rotation of the second roller 18 can drive the first roller 5 to rotate and the whole equipment to move through the cross shaft 17, so that the device can follow the asphalt paving machine;
in the moving process of the device, the driving end of the driving motor 27 in the machine shell 14 drives the driving worm wheel 28 to rotate, the driving worm wheel 28 is meshed with the worm 12, the worm 12 is driven to rotate by the rotation of the driving worm wheel 28, each driven worm wheel 29 is meshed with the worm 12, the driven worm wheel 29 is also driven to rotate by the rotation of the worm 12, the rotation of each fan 13 can be realized by the rotation of the driven worm wheel 29, the air suction effect is realized when the fan 13 rotates, the diffused harmful gas is absorbed into the auxiliary circulation cavity 2, in the circulation process of the harmful gas in the auxiliary circulation cavity 2, the mounting groove 31 is firstly encountered, the mounting groove 31 is fixed on the collection body 1 through the mounting piece 33 by passing through the opening 32, the solid impurities in the gas can be filtered when the harmful gas passes through the first filter layer 30, the harmful gas enters the main circulation cavity 11 through the auxiliary circulation cavity 2 and is finally conveyed into the filter tank 4, the second filter layer 9 and the third filter layer 10 are installed in the filter tank 4, the second filter layer 9 and the third filter layer 10 contain active carbon components, harmful components can be effectively absorbed, and the gas subjected to filtering treatment is finally discharged through the outlet 7, so that the collection and treatment of harmful gas are realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The device for collecting the harmful gas in the road asphalt under the high-temperature environment comprises a collecting body (1) and a filter tank (4), wherein the filter tank (4) is fixedly connected to the upper end of the collecting body (1), and is characterized in that a main circulation chamber (11) is arranged in the collecting body (1), a plurality of auxiliary circulation chambers (2) are symmetrically arranged on two sides of the main circulation chamber (11), the auxiliary circulation chambers (2) are communicated with the main circulation chamber (11), a fan (13) is rotatably arranged in each auxiliary circulation chamber (2), a third filter layer (10) and a second filter layer (9) are arranged in the main circulation chamber (11), the third filter layer (10) is arranged above the second filter layer (9), a sealing cover (6) is clamped on the filter tank (4), a plurality of outlets (7) are connected on the sealing cover (6), a machine shell (14) is symmetrically and fixedly arranged on the collecting body (1), be provided with actuating mechanism in casing (14), actuating mechanism is connected with each fan (13), running gear is installed to the bilateral symmetry of the collection body (1), collect bilateral symmetry fixedly connected with pillar (3) of the body (1), the upper end and the filter tank (4) fixed connection of pillar (3).
2. The device for collecting harmful gases in road asphalt in a high-temperature environment as claimed in claim 1, wherein the driving mechanism comprises a worm (12), the worm (12) is rotatably installed in a casing (14), one side of each fan (13) is fixedly connected with a driven worm wheel (29), a driving motor (27) is fixedly installed in the casing (14), a driving worm wheel (28) is fixedly connected with a driving end of the driving motor (27), the driving worm wheel (28) is meshed with the worm (12), and a plurality of driven worm wheels (29) are also meshed with the worm (12).
3. The device for collecting harmful gases in road asphalt in a high-temperature environment according to claim 1, wherein the traveling mechanism comprises a first roller (5), a second roller (18) and a vertical shaft (8), the vertical shaft (8) is installed at two sides of the collector (1), a horizontal shaft (17) is connected between the second roller (18) and the first roller (5), the horizontal shaft (17) is fixedly connected with the vertical shaft (8), the first roller (5) is rotatably installed at one end of the horizontal shaft (17), a traveling motor (19) is fixedly installed at the other end of the horizontal shaft (17), a rotating shaft (20) is fixedly connected to a driving end of the traveling motor (19), and the rotating shaft (20) is fixedly connected with the second roller (18).
4. The device for collecting harmful gases in road asphalt in the high-temperature environment as claimed in claim 3, wherein the position of the collector (1) close to the traveling mechanism is fixedly provided with a lower connecting block (22), the position of the support column (3) close to the traveling mechanism is fixedly connected with an upper connecting block (26), the vertical shaft (8) penetrates through the upper connecting block (26) and the lower connecting block (22), the inner wall of the lower connecting block (22) is provided with a clamping block (21), the vertical shaft (8) is provided with a sliding groove (24) corresponding to the clamping block (21), the vertical shaft (8) is symmetrically provided with a plurality of threaded holes (23), the upper connecting block (26) is connected with the vertical shaft (8) through a threaded bolt (25), and the threaded bolt (25) penetrates through the threaded hole (23).
5. The device for collecting harmful gases in road asphalt in a high-temperature environment according to claim 1, wherein an opening (32) is formed in one side of each auxiliary circulation chamber (2), a mounting groove (31) is installed at the opening (32), the mounting groove (31) is clamped in the auxiliary circulation chamber (2), a first filter layer (30) is arranged on the mounting groove (31), rubber layers (15) are arranged on the outer walls of two sides of the mounting groove (31), mounting pieces (33) are symmetrically and fixedly installed on two sides of the mounting groove (31), and the mounting pieces (33) are fixedly connected with the outer wall of the collection body (1) through screws.
6. The device for collecting harmful gases in road asphalt in a high-temperature environment according to claim 5, wherein a handrail (16) is fixedly arranged on one side of the collection body (1) far away from the installation groove (31), a clamping groove is formed in the collection body (1), and the handrail (16) is fixedly connected with the collection body (1) through the clamping groove.
7. The device for collecting harmful gases in asphalt on roads in a high-temperature environment as claimed in claim 3, wherein a counterweight is arranged on the outer side of the second roller (18), and the counterweight is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010131738.7A CN111318089A (en) | 2020-02-29 | 2020-02-29 | Highway pitch harmful gas collection device under high temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010131738.7A CN111318089A (en) | 2020-02-29 | 2020-02-29 | Highway pitch harmful gas collection device under high temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111318089A true CN111318089A (en) | 2020-06-23 |
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ID=71169183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010131738.7A Pending CN111318089A (en) | 2020-02-29 | 2020-02-29 | Highway pitch harmful gas collection device under high temperature environment |
Country Status (1)
| Country | Link |
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| CN (1) | CN111318089A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627873A (en) * | 2020-12-15 | 2021-04-09 | 西南交通大学 | Rock burst prevention and treatment device and prevention and treatment method |
| CN112663467A (en) * | 2021-01-26 | 2021-04-16 | 北京荣华铭科技有限公司 | Road maintenance device for asphalt pavement repair and peculiar smell cleaning |
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| CN204973513U (en) * | 2015-09-11 | 2016-01-20 | 中铁十八局集团轨道交通工程有限公司 | Pitch smoke treatment device for construction of highway |
| CN107803086A (en) * | 2017-11-10 | 2018-03-16 | 长沙翼希网络科技有限公司 | A kind of building industry bituminous paving purifier |
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| CN207591538U (en) * | 2017-11-29 | 2018-07-10 | 辽宁皓工市政工程有限公司 | A kind of construction of the highway environmental protection fume processing device |
| CN208943765U (en) * | 2018-10-24 | 2019-06-07 | 祝清峰 | The purification device of glance coal in a kind of construction of the highway |
| CN110508065A (en) * | 2019-09-16 | 2019-11-29 | 长安大学 | A kind of bituminous concrete paver glance coal collection and purification device |
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2020
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| CN204973513U (en) * | 2015-09-11 | 2016-01-20 | 中铁十八局集团轨道交通工程有限公司 | Pitch smoke treatment device for construction of highway |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112627873A (en) * | 2020-12-15 | 2021-04-09 | 西南交通大学 | Rock burst prevention and treatment device and prevention and treatment method |
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| CN112663467A (en) * | 2021-01-26 | 2021-04-16 | 北京荣华铭科技有限公司 | Road maintenance device for asphalt pavement repair and peculiar smell cleaning |
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