CN211646212U - Energy-efficient dust cleaning equipment is used in highway construction - Google Patents

Energy-efficient dust cleaning equipment is used in highway construction Download PDF

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Publication number
CN211646212U
CN211646212U CN202020070604.4U CN202020070604U CN211646212U CN 211646212 U CN211646212 U CN 211646212U CN 202020070604 U CN202020070604 U CN 202020070604U CN 211646212 U CN211646212 U CN 211646212U
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China
Prior art keywords
dust
filter screen
dust collection
collection box
drawer
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Expired - Fee Related
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CN202020070604.4U
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Chinese (zh)
Inventor
王�华
唐从荣
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Individual
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Individual
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Priority to CN202020070604.4U priority Critical patent/CN211646212U/en
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Publication of CN211646212U publication Critical patent/CN211646212U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a highway construction is with energy-efficient dust cleaning equipment, including installing the brush that cleans in the frame bottom, be located the suction hood that cleans brush one side and fix the dust collection box on the frame, the suction hood passes through the dust absorption pipe and is connected with the dust collection box, cleans the brush and installs the output shaft end at the rotating electrical machines, and the rotating electrical machines passes through the wire and is connected with the inside battery of power supply box, and the inside of dust collection box is provided with the collection dirt drawer, and the collection dirt drawer inserts the inside of dust collection box from the pull mouth. According to the dust collection drawer, through the arrangement of the dust collection drawer, when a certain amount of dust is collected, the dust collection drawer is directly pulled out to clean the dust, and the operation is simple and convenient; through the setting of brush roller and a filter screen, No. two filter screens, can effective filtration dust, and a filter screen and No. two filter screens remove the in-process all the time with the contact of brush roller for a filter screen and No. two filter screens can obtain effectual cleanness, guarantee the filter effect of filter screen.

Description

Energy-efficient dust cleaning equipment is used in highway construction
Technical Field
The utility model relates to a highway construction technical field, in particular to high-efficient energy-saving dust cleaning equipment is used in highway construction.
Background
The highway is constructed according to the national technical standard and is approved by the highway administration department, and is connected among cities, villages and industrial and mining bases. During highway construction, especially when cement road surfaces of large-flow road sections are leveled and paved, a large amount of dust is generated in the construction process, and the large-flow road sections are difficult to close for construction.
However, most of the dust cleaning equipment for highway construction on the current market usually comprises a brush for cleaning the road surface, a dust hood for collecting dust and a dust box, the whole structure is simple, in the using process, the dust box for collecting dust is often inconvenient to clean, and the filter screen for filtering dust often influences the filtering effect easily due to the accumulation of dust.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a highway construction is with energy-efficient dust cleaning equipment can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a highway construction is with energy-efficient dust cleaning equipment, is including installing the brush that cleans in the frame bottom, being located the suction hood that cleans brush one side and fixing the dust collection box on the frame, the suction hood passes through the dust absorption pipe and is connected with the dust collection box, the bottom of frame is installed and is removed the wheel, the one end of frame is fixed with the push rod, it installs the output shaft end at the rotating electrical machines to clean the brush, the rotating electrical machines passes through the bolt fastening on the frame, the rotating electrical machines passes through the wire and is connected with the inside battery of power supply box, the top at the frame is fixed to the power supply box, the inside of dust collection box is provided with the collection dirt drawer, the collection dirt drawer inserts the inside of dust collection.
Preferably, the bottom of collection dirt drawer is provided with the intake pipe, the position of intake pipe and the output port position of dust absorption pipe communicate each other, it is provided with the tapered plate to be located directly over the intake pipe to collect dirt drawer's inside, be connected through the bracing piece between tapered plate and the collection dirt drawer inner wall.
Preferably, the size and the collection dirt drawer looks adaptation of pull-out mouth, collection dirt drawer is provided with sealed the pad with the one end of pull-out mouth contact, sealed pad closely offsets with the top of pull-out mouth, the collection dirt drawer is located the outside one end integrated into one piece of dust collection box and has the baffle, the one side that the baffle is close to the dust collection box outer wall is inlayed and is had a magnet piece No. one, it has magnet piece No. two to inlay on the outer wall that dust collection box and baffle offset, magnet piece absorption is on magnet piece No. two.
Preferably, the top of the dust collection box is fixed with an exhaust fan through screws, the exhaust fan is connected with an exhaust port in the top of the dust collection box through an exhaust pipe, and the exhaust port is located in the middle of the top wall of the dust collection box.
Preferably, the inside of dust collection box is provided with a filter screen and No. two filter screens, a filter screen and No. two filter screens are located the below of gas vent and are located the top of collection dirt drawer, a filter screen is located the top of intake pipe, a filter screen and No. two filter screens are parallel to each other, be provided with a plurality of brush rollers between a filter screen and No. two filter screens, the brush roller offsets with the top of a filter screen and the bottom of No. two filter screens all the time, the roller bearing at brush roller both ends is fixed on the inner wall of dust collection box, the brush roller is located the middle part of dust collection box.
Preferably, the two sides of the first filter screen and the second filter screen are both fixed with wire sleeves, the wire sleeves are distributed along the length direction of the first filter screen or the second filter screen, the length of the wire sleeves is equal to that of the first filter screen or the second filter screen, and one side, away from the first filter screen or the second filter screen, of each wire sleeve is abutted against the inner wall of the dust collection box.
Preferably, the screw sleeve thread suit on the first filter screen is on a lead screw, the screw sleeve thread suit on the second filter screen is on No. two lead screws, equal perpendicular to brush roller of a lead screw and No. two lead screws, the both ends of a lead screw and No. two lead screws are all installed on the inner wall of dust collection box through the bearing rotation, the one end of a lead screw and No. two lead screws is all connected with the lead screw motor through the shaft coupling, the lead screw motor passes through the screw fixation on the outer wall of dust collection box.
Preferably, the one end that the brush roller was kept away from to a filter screen is fixed with the closing plate No. one, the one end that the brush roller was kept away from to No. two filter screens is fixed with the closing plate No. two, the top of closing plate and closing plate No. two all offsets with the top inner wall of dust collection box, closing plate and closing plate No. two are located the both sides of gas vent respectively, set up the through-hole that supplies No. two lead screws to pass on the closing plate.
Preferably, the sliding blocks are fixed at the tops of the first sealing plate and the second sealing plate, the sliding blocks are sleeved in the sliding grooves, and the sliding grooves are formed in the inner wall of the top of the dust collection box.
Compared with the prior art, the utility model discloses following beneficial effect has: according to the efficient energy-saving dust cleaning equipment for highway construction, due to the arrangement of the dust collecting drawer, when a certain amount of dust is collected, the dust can be cleaned by directly pulling out the dust collecting drawer, and the operation is simple and convenient;
through the arrangement of the brush roller, the first filter screen and the second filter screen, dust can be effectively filtered, and dust pollution caused by the fact that the dust returns to the air is avoided; and in the removal in-process of a filter screen and No. two filter screens, because a closing plate and No. two closing plates offset with dust collection box top inner wall all the time, enclose into an exhaust space between a closing plate, a filter screen, brush roller, No. two filter screens, No. two closing plates for the air homoenergetic that enters into this exhaust space can be through the filtration of a filter screen, No. two filter screens or brush roller, effectively ensures the effect of cleaing away of dust.
Drawings
FIG. 1 is a general schematic view of the high-efficiency energy-saving dust-cleaning equipment for highway construction of the present invention;
FIG. 2 is a schematic cross-sectional view of a dust collecting box of the efficient energy-saving dust cleaning equipment for highway construction of the present invention;
FIG. 3 is an exploded view of the dust box of the efficient energy-saving dust cleaning device for highway construction;
FIG. 4 is a schematic view of the appearance of the dust box of the efficient energy-saving dust cleaning equipment for highway construction;
fig. 5 is a schematic view of a dust collection drawer of the high-efficiency energy-saving dust cleaning device for road construction.
In the figure: 1. a frame; 2. a moving wheel; 3. a push rod; 4. cleaning a brush; 5. a rotating electric machine; 6. a power supply box; 7. a storage battery; 8. a dust hood; 9. a dust collection pipe; 10. a dust collection box; 11. an exhaust fan; 12. an exhaust port; 13. an air inlet pipe; 14. a support bar; 15. a tapered plate; 16. a dust collection drawer; 17. a baffle plate; 18. a gasket; 19. a first filter screen; 20. a second filter screen; 21. a first sealing plate; 22. a second sealing plate; 23. a slider; 24. a chute; 25. a screw motor; 26. a first screw rod; 27. a second screw rod; 28. a brush roller; 29. a first magnet block; 30. a second magnet block; 31. drawing the opening; 32. and (4) sheathing the silk.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-5, a high-efficiency energy-saving dust cleaning device for road construction comprises a cleaning brush 4 installed at the bottom of a frame 1, a dust hood 8 located on one side of the cleaning brush 4, and a dust collection box 10 fixed on the frame 1, wherein the dust hood 8 is connected with the dust collection box 10 through a dust collection pipe 9, a movable wheel 2 is installed at the bottom of the frame 1, a push rod 3 is fixed at one end of the frame 1, the cleaning brush 4 is installed at the tail end of an output shaft of a rotating motor 5, the rotating motor 5 is fixed on the frame 1 through a bolt, the rotating motor 5 is connected with a storage battery 7 inside a power supply box 6 through a wire, the power supply box 6 is fixed at the top of the frame 1, a dust collection drawer 16 is arranged inside the dust collection box 10, and the dust collection drawer 16 is inserted into the dust collection box 10 from.
Referring to fig. 2 and 5, the bottom of the dust collection drawer 16 is provided with an air inlet pipe 13, the air inlet pipe 13 penetrates through the inside of the dust collection drawer 16, an air outlet port of the air inlet pipe 13 is located inside the dust collection drawer 16 and below a conical plate 15, the position of the air inlet pipe 13 is communicated with an output port of the dust collection pipe 9, the conical plate 15 is arranged right above the air inlet pipe 13 inside the dust collection drawer 16, and the inner walls of the conical plate 15 and the dust collection drawer 16 are connected through a support rod 14.
Referring to fig. 2-5, the size and the collection dirt drawer 16 looks adaptation of pull-out mouth 31, collection dirt drawer 16 is provided with sealed 18 with the one end of pull-out mouth 31 contact, sealed 18 closely offsets with the top of pull-out mouth 31, collection dirt drawer 16 is located the outside one end integrated into one piece of dust collection box 10 and has a baffle 17, one side that baffle 17 is close to the outer wall of dust collection box 10 is inlayed and is had a magnet piece 29, it has magnet piece 30 No. two to inlay on the outer wall that dust collection box 10 and baffle 17 offset, magnet piece 29 adsorbs on magnet piece 30 No. two.
Through adopting above-mentioned technical scheme, through the setting of collection dirt drawer 16, when a certain amount is collected to the dust, directly pull out collection dirt drawer 16 and just can clear up the dust, easy operation is convenient.
The first magnet block 29 and the second magnet block 30 are arranged so that the baffle 17 of the dust collection drawer 16 can be fixed on the outer wall of the dust collection box 10 in an absorbing manner, thereby being beneficial to ensuring the sealing property between the dust collection drawer 16 and the dust collection box 10.
The conical plate 15 is arranged, so that dust falling from the first filter screen 19 and the second filter screen 20 cannot directly fall into the air inlet pipe 13.
Referring to fig. 1 to 5, an exhaust fan 11 is fixed at the top of the dust box 10 through screws, the exhaust fan 11 is connected with an exhaust port 12 at the top of the dust box 10 through an exhaust pipe, and the exhaust port 12 is located at the middle of the top wall of the dust box 10.
Referring to fig. 2-3, the inside of dust collection box 10 is provided with filter screen 19 and No. two filter screens 20, filter screen 19 and No. two filter screens 20 are located the below of gas vent 12 and are located the top of collection dirt drawer 16, filter screen 19 is located the top of intake pipe 13, filter screen 19 and No. two filter screens 20 are parallel to each other, be provided with a plurality of brush rollers 28 between filter screen 19 and No. two filter screens 20, brush rollers 28 offsets with the top of filter screen 19 and the bottom of No. two filter screens 20 all the time, the roller of brush rollers 28 both ends is fixed on the inner wall of dust collection box 10, brush rollers 28 are located the middle part of dust collection box 10.
Referring to fig. 2-3, both sides of the first filter screen 19 and the second filter screen 20 are fixed with thread sleeves 32, the thread sleeves 32 are distributed along the length direction of the first filter screen 19 or the second filter screen 20, the length of the thread sleeves 32 is equal to that of the first filter screen 19 or the second filter screen 20, and one side of the thread sleeves 32, which is far away from the first filter screen 19 or the second filter screen 20, is abutted against the inner wall of the dust box 10.
Referring to fig. 2-3, the thread sleeve 32 on the first filter screen 19 is sleeved on the first screw rod 26, the thread sleeve 32 on the second filter screen 20 is sleeved on the second screw rod 27, the first screw rod 26 and the second screw rod 27 are both perpendicular to the brush roller 28, both ends of the first screw rod 26 and the second screw rod 27 are rotatably installed on the inner wall of the dust collection box 10 through bearings, one ends of the first screw rod 26 and the second screw rod 27 are both connected with the screw rod motor 25 through couplers, and the screw rod motor 25 is fixed on the outer wall of the dust collection box 10 through screws.
Referring to fig. 2-3, a first sealing plate 21 is fixed to one end, away from the brush roller 28, of the first filter screen 19, a second sealing plate 22 is fixed to one end, away from the brush roller 28, of the second filter screen 20, tops of the first sealing plate 21 and the second sealing plate 22 are respectively abutted to an inner wall of the top of the dust collection box 10, the first sealing plate 21 and the second sealing plate 22 are respectively located on two sides of the exhaust port 12, and a through hole for the second lead screw 27 to pass through is formed in the first sealing plate 21.
Referring to fig. 2-3, the sliding blocks 23 are fixed on the tops of the first sealing plate 21 and the second sealing plate 22, the sliding blocks 23 are sleeved in the sliding grooves 24, the sliding grooves 24 are formed in the inner wall of the top of the dust collection box 10, and the sliding blocks 23 and the sliding grooves 24 can guide the movement of the first sealing plate 21 or the second sealing plate 22, so that the stability of the movement of the first filter screen 19 or the second filter screen 20 is ensured.
By adopting the technical scheme, through the arrangement of the brush roller 28, the first filter screen 19 and the second filter screen 20, dust can be effectively filtered, and dust pollution caused by the fact that the dust returns to the air is avoided, meanwhile, the first filter screen 19 and the second filter screen 20 can respectively move along the first screw rod 26 and the second screw rod 27, and the first filter screen 19 and the second filter screen 20 are always in contact with the brush roller 28 in the moving process, so that the dust accumulated on the first filter screen 19 and the second filter screen 20 can fall off under the cleaning of the brush roller 28 and are collected in the dust collection drawer 16, the first filter screen 19 and the second filter screen 20 can be effectively cleaned, and the filtering effect of the filter screens is ensured; and in the removal in-process of filter screen 19 and No. two filter screens 20, because a closing plate 21 and No. two closing plates 22 all the time with the top inner wall of dust collection box 10 counterbalance, enclose into an exhaust space between a closing plate 21, a filter screen 19, brush roller 28, No. two filter screens 20, No. two closing plates 22 for the air that enters into this exhaust space all can be through the filtration of a filter screen 19, No. two filter screens 20 or brush roller 28, effectively ensures the effect of cleaing away of dust.
It should be noted that the utility model relates to a high-efficient energy-saving dust cleaning equipment for highway construction, when using, promote the equipment to the region that needs to clean through push rod 3, in the in-process that the equipment removed, rotating electrical machines 5 drive cleans brush 4 and constantly cleans the road surface, dust that air exhauster 11 will be raised in the cleaning process is collected in dust collection box 10 through the dust cage, in dust collection box 10, the air that contains the dust enters dust collection box 10 from intake pipe 13, the gas that contains the dust can receive the obstruction of filter screen 19, brush roller 28 or No. two filter screens 20 in the process of flowing upwards, and then say that the dust in the gas filters, and discharge from gas vent 12 at the top of dust collection box 10; because a sealing plate 21 and No. two sealing plates 22 all the time with the dust collection box 10 top inner wall offset, enclose into an exhaust space between a sealing plate 21, a filter screen 19, brush roller 28, No. two filter screens 20, No. two sealing plates 22 for the air that enters into this exhaust space all can be through the filtration of a filter screen 19, No. two filter screens 20 or brush roller 28, effectively ensures the effect of cleaing away of dust.
After cleaning for a period of time, the screw rod motor 25 drives the first screw rod 26 or the second screw rod 27 to rotate, the screw sleeve 32 carries the first filter screen 19 or the second filter screen 20 to respectively move along the first screw rod 26 or the second screw rod 27 under the action of the screw threads, and in the moving process of the first filter screen 19 or the second filter screen 20, the brush roller 28 is always in contact with the screw threads, so that dust accumulated on the first filter screen 19 or the second filter screen 20 can be cleaned off, the filtering effect of the first filter screen 19 and the second filter screen 20 is ensured, in the moving process of the first filter screen 19 and the second filter screen 20, the brush roller 28 is always in contact with the two filter screens, the first sealing plate 21 at one end of the first filter screen 19 and the second sealing plate 22 at one end of the second filter screen 20 are both in contact with the inner wall of the top of the dust collection box 10, the screw sleeves 32 at both sides of the filter screens are also always abutted against the inner wall of the, thus, the air containing dust is filtered by the first filter screen 19, the second filter screen 20 or the brush roller 28 as necessary when flowing to the exhaust port 12, thereby ensuring the dust filtering effect.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims (9)

1. The utility model provides a highway construction is with energy-efficient dust cleaning equipment which characterized in that: comprises a cleaning brush (4) arranged at the bottom of a frame (1), a dust hood (8) positioned at one side of the cleaning brush (4) and a dust collection box (10) fixed on the frame (1), the dust hood (8) is connected with the dust box (10) through a dust suction pipe (9), the bottom of the frame (1) is provided with a movable wheel (2), one end of the frame (1) is fixed with a push rod (3), the cleaning brush (4) is arranged at the tail end of an output shaft of the rotating motor (5), the rotating motor (5) is fixed on the frame (1) through bolts, the rotating motor (5) is connected with a storage battery (7) inside the power box (6) through a lead, the power box (6) is fixed on the top of the frame (1), the dust collection drawer (16) is arranged in the dust collection box (10), the dust collection drawer (16) is inserted into the dust box (10) from the drawing opening (31).
2. The high-efficiency energy-saving dust cleaning equipment for highway construction according to claim 1, which is characterized in that: the bottom of collection dirt drawer (16) is provided with intake pipe (13), the position of intake pipe (13) and the output port position of dust absorption pipe (9) communicate each other, the inside of collection dirt drawer (16) is located and is provided with tapered plate (15) directly over intake pipe (13), be connected through bracing piece (14) between tapered plate (15) and collection dirt drawer (16) inner wall.
3. The high-efficiency energy-saving dust cleaning equipment for highway construction according to claim 2, wherein: the size and the collection dirt drawer (16) looks adaptation of pull-out mouth (31), collection dirt drawer (16) are provided with sealed pad (18) with the one end of pull-out mouth (31) contact, sealed pad (18) closely offsets with the top of pull-out mouth (31), collection dirt drawer (16) are located the outside one end integrated into one piece of dust collection box (10) and have baffle (17), baffle (17) are close to one side of dust collection box (10) outer wall and are inlayed and have magnet piece (29) No. one, it has magnet piece (30) No. two to inlay on the outer wall that dust collection box (10) and baffle (17) offset, magnet piece (29) adsorb on magnet piece (30) No. two.
4. The high-efficiency energy-saving dust cleaning equipment for highway construction according to claim 3, wherein: an exhaust fan (11) is fixed at the top of the dust collection box (10) through screws, the exhaust fan (11) is connected with an exhaust port (12) at the top of the dust collection box (10) through an exhaust pipe, and the exhaust port (12) is located in the middle of the top wall of the dust collection box (10).
5. The high-efficiency energy-saving dust cleaning equipment for road construction according to claim 4, characterized in that: the dust collection box is characterized in that a first filter screen (19) and a second filter screen (20) are arranged inside the dust collection box (10), the first filter screen (19) and the second filter screen (20) are located below the exhaust port (12) and above the dust collection drawer (16), the first filter screen (19) is located above the air inlet pipe (13), the first filter screen (19) and the second filter screen (20) are parallel to each other, a plurality of brush rollers (28) are arranged between the first filter screen (19) and the second filter screen (20), the brush rollers (28) are always abutted to the top of the first filter screen (19) and the bottom of the second filter screen (20), the rollers at the two ends of the brush rollers (28) are fixed on the inner wall of the dust collection box (10), and the brush rollers (28) are located in the middle of the dust collection box (10).
6. The high-efficiency energy-saving dust cleaning equipment for road construction according to claim 5, characterized in that: the both sides of a filter screen (19) and No. two filter screens (20) all are fixed with silk cover (32), the length direction of a filter screen (19) or No. two filter screens (20) is distributed along silk cover (32), the length of silk cover (32) equals the length of a filter screen (19) or No. two filter screens (20), one side that a filter screen (19) or No. two filter screens (20) were kept away from in silk cover (32) all offsets with the inner wall of dust collection box (10).
7. The high-efficiency energy-saving dust cleaning equipment for road construction according to claim 6, characterized in that: screw sleeve (32) screw thread suit on filter screen (19) is on lead screw (26), screw sleeve (32) screw thread suit on No. two filter screens (20) is on No. two lead screws (27), equal perpendicular to brush roller (28) of lead screw (26) and No. two lead screws (27), the both ends of lead screw (26) and No. two lead screws (27) are all rotated through the bearing and are installed on the inner wall of dust collection box (10), the one end of lead screw (26) and No. two lead screws (27) is all connected with lead screw motor (25) through the shaft coupling, lead screw motor (25) pass through the screw fixation on the outer wall of dust collection box (10).
8. The high-efficiency energy-saving dust cleaning equipment for road construction according to claim 7, characterized in that: one end of the first filter screen (19) far away from the brush roller (28) is fixed with a sealing plate (21), one end of the second filter screen (20) far away from the brush roller (28) is fixed with a second sealing plate (22), the tops of the first sealing plate (21) and the second sealing plate (22) are all abutted to the inner wall of the top of the dust collection box (10), the first sealing plate (21) and the second sealing plate (22) are respectively located on two sides of the exhaust port (12), and a through hole for the second lead screw (27) to pass through is formed in the first sealing plate (21).
9. The high-efficiency energy-saving dust cleaning equipment for road construction according to claim 8, characterized in that: the top of the first sealing plate (21) and the top of the second sealing plate (22) are both fixed with sliding blocks (23), the sliding blocks (23) are sleeved in sliding grooves (24), and the sliding grooves (24) are formed in the inner wall of the top of the dust collection box (10).
CN202020070604.4U 2020-01-13 2020-01-13 Energy-efficient dust cleaning equipment is used in highway construction Expired - Fee Related CN211646212U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020070604.4U CN211646212U (en) 2020-01-13 2020-01-13 Energy-efficient dust cleaning equipment is used in highway construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020070604.4U CN211646212U (en) 2020-01-13 2020-01-13 Energy-efficient dust cleaning equipment is used in highway construction

Publications (1)

Publication Number Publication Date
CN211646212U true CN211646212U (en) 2020-10-09

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Application Number Title Priority Date Filing Date
CN202020070604.4U Expired - Fee Related CN211646212U (en) 2020-01-13 2020-01-13 Energy-efficient dust cleaning equipment is used in highway construction

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113069850A (en) * 2021-03-05 2021-07-06 陈红梅 Chemical raw material combustion tail gas treatment device
CN114055421A (en) * 2021-11-29 2022-02-18 黑龙江省科学院高技术研究院 IT infrastructure operation and maintenance safety management device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113069850A (en) * 2021-03-05 2021-07-06 陈红梅 Chemical raw material combustion tail gas treatment device
CN114055421A (en) * 2021-11-29 2022-02-18 黑龙江省科学院高技术研究院 IT infrastructure operation and maintenance safety management device

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