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CN-121971980-A - Asphalt mixing waste gas purifying device for expressway construction

CN121971980ACN 121971980 ACN121971980 ACN 121971980ACN-121971980-A

Abstract

The invention discloses an asphalt mixing waste gas purifying device for expressway construction, and belongs to the field of waste gas purification. The device comprises a filtering and separating mechanism, wherein a spraying and purifying mechanism is arranged on the right side of the filtering and separating mechanism, the filtering and separating mechanism comprises a filtering box, a plurality of clapboards are integrally formed above the inside of the filtering box, an activated carbon adsorption layer is arranged above the plurality of clapboards in the filtering box, filter cloth is detachably arranged on the two sides of the plurality of clapboards in the inside of the filtering box through bolts, fine impurity particles in waste gas are filtered through the filter cloth, part of harmful components in the gas are adsorbed by the activated carbon adsorption layer, and then the pesticide mixed solution matched with the spraying mechanism is sprayed to further decompose residual harmful gas, so that waste gas generated by asphalt mixing is purified in an omnibearing manner, and the environment-friendly emission requirement is met.

Inventors

  • Ou Richun
  • JIANG WENFANG
  • OU JIAWEI

Assignees

  • 湖南旭特建筑工程有限公司

Dates

Publication Date
20260505
Application Date
20260211

Claims (9)

  1. 1. The asphalt mixing waste gas purifying device for expressway construction comprises a filtering and separating mechanism (1) and is characterized in that a spraying and purifying mechanism (2) is arranged on the right side of the filtering and separating mechanism (1); The filtering and separating mechanism (1) comprises a filtering box (101), wherein a plurality of partition plates (102) are integrally formed above the inside of the filtering box (101), an activated carbon adsorption layer (103) is arranged inside the filtering box (101) and above the plurality of partition plates (102), and filter cloth (104) is detachably arranged inside the filtering box (101) and on two sides of the plurality of partition plates (102) through bolts; An air inlet nozzle (105) is integrally formed below the left side of the filter box (101), an air outlet barrel (106) is rotatably connected to the inside of the filter box (101) and below the plurality of partition boards (102) through a rotating shaft, and an air inlet pipe (107) is fixedly communicated with the air outlet barrel (106) and the air inlet nozzle (105); The front end of a central shaft of the air outlet tube (106) is fixedly connected with a shaft column (108) in front of the filter box (101), the front end of the shaft column (108) is fixedly connected with a circular gear I (109), and torsion springs I (110) are fixedly connected to opposite sides of the circular gear I (109) and the filter box (101) and are positioned on the outer side of the shaft column (108); the top of rose box (101) fixed mounting has fan (122), the output of fan (122) is fixed to be connected with blast pipe (123).
  2. 2. The asphalt mixing exhaust gas purification device for highway construction according to claim 1, wherein the front surface of the filter box (101) is fixedly connected with an L-shaped support (111) above the circular gear (109), the inner side of the L-shaped support (111) is fixedly connected with a motor (112), the rear end of an output shaft of the motor (112) is fixedly connected with an incomplete gear (113), and the outer side wall of the incomplete gear (113) is in meshed connection with the outer side wall of the circular gear (109).
  3. 3. The asphalt mixing exhaust gas purification device for highway construction according to claim 1, wherein round bars (114) are fixedly connected to two sides of the partition board (102), special-shaped knocking bars (115) are rotatably connected to the outer side walls of the round bars (114) through rotating shafts, and the lower surfaces of the special-shaped knocking bars (115) are attached to the upper surfaces of the filter cloth (104).
  4. 4. The asphalt mixing exhaust gas purification device for highway construction according to claim 3, wherein a rotating rod (116) is rotatably connected between a plurality of partition boards (102) in the filter box (101), a plurality of knocking blocks (117) are fixedly connected to the outer side wall of the rotating rod (116), the knocking blocks (117) are respectively in one-to-one correspondence with the abnormal-shaped knocking rods (115), the knocking blocks (117) are distributed at equal intervals along the circumference of the rotating rod (116), an L-shaped bracket II (118) is fixedly connected to the right side of the filter box (101), a motor II (119) is fixedly connected to the inner side of the L-shaped bracket II (118), and the left end of an output shaft of the motor II (119) is fixedly connected with the right end of the rotating rod (116).
  5. 5. The asphalt mixing exhaust gas purification device for highway construction according to claim 1, wherein a collecting box (120) is slidably mounted below the inside of the filter box (101), and the front end of the collecting box (120) penetrates to the front of the filter box (101) and is fixedly connected with a drawing cover plate (121).
  6. 6. The asphalt mixing exhaust gas purification device for highway construction according to claim 1, wherein the spraying purification mechanism (2) comprises a spraying box (201), the right end of the exhaust pipe (123) is fixedly communicated with the inside of the spraying box (201), an exhaust nozzle (202) is fixedly communicated with the front surface of the spraying box (201), and a drain valve (203) is fixedly arranged below the front surface of the spraying box (201).
  7. 7. The asphalt mixing exhaust gas purification device for highway construction according to claim 6, wherein a baffle plate (204) is fixedly connected to the right of the exhaust pipe (123) inside the spray box (201), a spray cylinder (205) is connected to the right of the baffle plate (204) and the right of the inside of the spray box (201) in a rotating mode, a water tank (206) is fixedly connected to the right of the spray box (201), a water pump (207) is fixedly connected to the top of the water tank (206), the input end of the water pump (207) penetrates into the water tank (206), the right of the spray cylinder (205) penetrates to the right of the spray box (201) and is fixedly connected with a shaft tube (208), and the output end of the water pump (207) is fixedly communicated with the right end of the shaft tube (208).
  8. 8. The asphalt mixing exhaust gas purification device for highway construction according to claim 7, wherein a circular gear II (209) is fixedly connected to the right of the outer side wall of the shaft tube (208), and a torsion spring II (210) is fixedly connected to the circular gear II (209) and the opposite side of the spray box (201) and is positioned on the outer side of the shaft tube (208).
  9. 9. The asphalt mixing exhaust gas purification device for highway construction according to claim 8, wherein the right side of the spray box (201) is fixedly connected with an L-shaped bracket III (211) above the circular gear II (209), the inner side of the L-shaped bracket III (211) is fixedly connected with a motor III (212), the left end of an output shaft of the motor III (212) is fixedly connected with an incomplete gear II (213), and the outer side wall of the incomplete gear II (213) is in meshed connection with the outer side wall of the circular gear II (209).

Description

Asphalt mixing waste gas purifying device for expressway construction Technical Field The invention relates to the field of waste gas purification, in particular to an asphalt mixing waste gas purification device for highway construction. Background Asphalt is a blackish brown complex mixture composed of hydrocarbon compounds with different molecular weights and nonmetallic derivatives thereof, is one of high-viscosity organic liquids, mostly exists in a liquid or semisolid petroleum form, has black surface and is soluble in carbon disulfide and carbon tetrachloride. Asphalt is a waterproof, moistureproof and anticorrosive organic cementing material, and can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt, wherein the coal tar asphalt is a coking byproduct; During the production process of asphalt, the asphalt is required to be mixed, during which the flue gas contains fine impurity particles and harmful gas, and the flue gas can be discharged to the external environment after being purified; The existing dust collector for asphalt production still has the defects that the dust collector is troublesome in taking, placing and replacing the filter bag, and the filter bag is easy to shake in the process of taking and replacing, so that dust on the filter bag is raised, the dust collection effect is poor, a large amount of dust can be produced in the process of producing asphalt in an asphalt mixing plant, some toxic gases can be produced, the existing dust collector for asphalt production cannot be provided with the functions of dust collection and centralized treatment of harmful gases, and therefore, the asphalt mixing waste gas purification device for highway construction is provided. Disclosure of Invention The invention aims to solve the problems that the filter bag is troublesome to replace, dust is easy to raise and the filter bag is not provided with a dust removing function and can treat harmful gas in the prior art. The technical scheme is that the asphalt mixing waste gas purifying device for highway construction comprises a filtering and separating mechanism, wherein a spraying and purifying mechanism is arranged on the right side of the filtering and separating mechanism; The filtering and separating mechanism comprises a filtering box, a plurality of partition plates are integrally formed above the inside of the filtering box, an activated carbon adsorption layer is arranged above the plurality of partition plates in the filtering box, and filter cloth is detachably arranged on the two sides of the plurality of partition plates in the filtering box through bolts; An air inlet nozzle is integrally formed below the left side of the filter box, an air outlet cylinder is rotatably connected to the inside of the filter box and below the plurality of partition boards through a rotating shaft, and the air outlet cylinder is fixedly communicated with the air inlet nozzle through an air inlet pipe; The front end of the central shaft of the air outlet cylinder is positioned in front of the filter box and is fixedly connected with a shaft column, the front end of the shaft column is fixedly connected with a circular gear I, and torsion springs I are fixedly connected to the circular gear I and the opposite side of the filter box and are positioned on the outer side of the shaft column; the top fixed mounting of rose box has the fan, the output fixed intercommunication of fan has the blast pipe. Furthermore, the front surface of the filter box is fixedly connected with an L-shaped support which is positioned above the first circular gear, the inner side of the L-shaped support is fixedly connected with a first motor, the rear end of an output shaft of the first motor is fixedly connected with a first incomplete gear, and the outer side wall of the first incomplete gear is meshed and connected with the outer side wall of the first circular gear. Furthermore, round bars are fixedly connected to two sides of the partition plate, the outer side walls of the round bars are rotationally connected with special-shaped knocking bars through rotating shafts, and the lower surfaces of the special-shaped knocking bars are attached to the upper surfaces of the filter cloth. Still further, the inside of rose box just is located a plurality of rotate through the pivot and be connected with a bull stick between the baffle, the lateral wall fixedly connected with of bull stick a plurality of beats the piece, a plurality of beat the piece respectively with a plurality of abnormal shape beat the pole one-to-one, a plurality of beat the piece along bull stick circumference equidistance distributes, the right side fixedly connected with L type support second of rose box, the inboard fixedly connected with motor second of L type support, the output shaft left end of motor second with the right-hand member fixed connection of bull stick. Furthermore, the inside below slidable mounting of rose box has