CN116899369B - Flue gas treatment system of asphalt mixing plant and working method thereof - Google Patents
Flue gas treatment system of asphalt mixing plant and working method thereof Download PDFInfo
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- CN116899369B CN116899369B CN202311181298.6A CN202311181298A CN116899369B CN 116899369 B CN116899369 B CN 116899369B CN 202311181298 A CN202311181298 A CN 202311181298A CN 116899369 B CN116899369 B CN 116899369B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 31
- 238000002156 mixing Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims description 37
- 239000003546 flue gas Substances 0.000 title claims description 37
- 239000000779 smoke Substances 0.000 claims abstract description 52
- 238000001914 filtration Methods 0.000 claims description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 74
- 238000005507 spraying Methods 0.000 claims description 30
- 238000000889 atomisation Methods 0.000 claims description 26
- 241000196324 Embryophyta Species 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 19
- 241000220317 Rosa Species 0.000 claims description 14
- 235000019504 cigarettes Nutrition 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 10
- 239000003595 mist Substances 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000011384 asphalt concrete Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
Classifications
-
- 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
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/266—Drying gases or vapours by filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Road Paving Machines (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a smoke treatment system of an asphalt mixing plant and a working method thereof, belonging to the technical field of smoke emission treatment of asphalt mixing plants.
Description
Technical Field
The invention relates to a flue gas treatment system of an asphalt mixing plant and a working method thereof, belonging to the technical field of flue gas emission treatment of asphalt mixing plants.
Background
Asphalt mixing plant, which may also be referred to as asphalt concrete mixing plant, refers to a plant for mass production of asphalt concrete.
When the asphalt mixing plant is used for producing and processing asphalt, high-temperature heating and melting asphalt are needed to be carried out and stirred, a large amount of smoke containing harmful substances and harmful peculiar smell can be generated in the process, if the smoke is directly discharged, the surrounding environment can be seriously polluted, the environment is not up to the standard, and the problems are solved.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a flue gas treatment system of an asphalt mixing plant and a working method thereof so as to solve the existing problems.
In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides an asphalt mixing plant flue gas processing system, includes flue gas processing filter equipment, connects in the air inlet hose on flue gas processing filter equipment top, connects in the angle modulation smoke nozzle subassembly of air inlet hose other end, flue gas processing filter equipment includes the rose box group, sets up in the flue gas reposition of redundant personnel subassembly of rose box group cavity upper end, sets up the atomizing of rose box group front side lower extreme and sprays filter equipment, atomizing sprays filter equipment one end and extends to flue gas reposition of redundant personnel subassembly top both sides one by one respectively, atomizing sprays the filter equipment other end and extends to the lower extreme in the rose box group cavity, flue gas reposition of redundant personnel subassembly lower extreme both sides symmetry respectively are connected with first peculiar smell filter component and second peculiar smell filter component, first peculiar smell filter component and second peculiar smell filter component other end extend respectively to outside the rose box group left and right sides, the angle modulation smoke nozzle subassembly is including adjusting the chassis group, the activity sets up in adjusting the air nozzle frame group of adjusting chassis upper end one side, sets up the air inlet pipe connecting seat on adjusting chassis group, be connected with first air inlet hose between adjusting air inlet pipe connecting seat.
The filter box is characterized in that a water storage tank is arranged at the lower end in the cavity of the filter box group, the filter box is further arranged above the water storage tank in a communicating manner, the air inlet pipe box is arranged in the middle of the top end of the filter box in a communicating manner, the exhaust fan is arranged in the cavity of the air inlet pipe box, the plurality of water mist clamping plates are symmetrically arranged beside two sides of the lower end of the air inlet pipe box, and the two ends of the front side face of the filter box are respectively hinged with a first filter element box door and a second filter element box door.
The flue gas diverting assembly comprises an isolation diaphragm, a diverting plate arranged in the middle of the top surface of the isolation diaphragm, a first inlet and a second inlet which are respectively arranged beside two ends of the diverting plate, and a flow gathering hopper arranged in the middle of the bottom surface of the isolation diaphragm, wherein a plurality of flow gathering plates are symmetrically arranged on two sides of the middle in a cavity of the flow gathering hopper, and a first exhaust port and a second exhaust port are respectively arranged on two sides of the lower end of the flow gathering hopper.
The further improvement is, atomizing sprays filtering mechanism includes the water pump, connects in the first atomizing of water pump play water end and sprays subassembly and second atomizing respectively, the water pump advances water end and is connected with and sprays the drinking-water pipe, first atomizing sprays the subassembly and includes the outlet pipe, connects in the spray board of outlet pipe upper end, interval set up in a plurality of atomizing of spray board opposite side and spray the line head, first atomizing sprays the subassembly and sprays the subassembly structure the same with the second atomizing.
Further improved, the first peculiar smell filtering component comprises a peculiar smell grading filtering box group, an peculiar smell filtering air inlet pipe which is communicated with the lower end of the peculiar smell grading filtering box group, an exhaust air hose which is connected with the upper end of the peculiar smell grading filtering box group, and an exhaust outer pipe which is connected with the other end of the exhaust air hose, wherein the other end of the exhaust outer pipe is provided with a rain cover, the peculiar smell grading filtering box group comprises a grading filtering box, a primary water-absorbing gas filtering box, a secondary water-absorbing gas filtering box, a primary peculiar smell absorbing filtering box, a secondary peculiar smell absorbing filtering box and a tertiary peculiar smell absorbing filtering box which are respectively sleeved in a cavity of the grading filtering box from bottom to top, and the first peculiar smell filtering component and the second peculiar smell filtering component are identical in structure.
The further improvement is that the adjusting chassis group comprises a vertical frame, an adjusting chassis welded at the upper end of the vertical frame, a plurality of positioning clamping blocks welded at one side surface of the adjusting chassis, and a plurality of fixing screw holes arranged at the side surface of the adjusting chassis, wherein the lower end of the vertical frame is welded with a first mounting seat and a second mounting seat respectively.
The further improvement is that the adjusting suction nozzle frame group comprises an adjusting face plate, a suction nozzle frame welded on one side of the adjusting face plate, a suction nozzle arranged at the other end of the suction nozzle frame, and an isolation net sheet arranged on the bottom surface of the suction nozzle, wherein a plurality of fixing screw grooves and a plurality of positioning clamping grooves are respectively formed in the adjusting face plate.
The further improvement is that the first-stage water-absorbing gas filter box is provided with the second-stage water-absorbing gas filter box, and water filtering hollow balls are arranged in the second-stage water-absorbing gas filter box.
Further improved is that the first-level peculiar smell absorbing filter box is internally provided with honeycomb activated carbon.
Further improved is that the secondary peculiar smell absorbing filter box is internally provided with granular columnar activated carbon.
Further improved is that the three-stage odor absorbing filter box is internally provided with activated carbon cotton.
Further improved is that the upper end of one side of the water storage tank is provided with an external water inlet pipe, and one side of the bottom surface of the water storage tank is provided with a sewage draining pipe.
In addition, the invention also provides a working method of the flue gas treatment system of the asphalt mixing plant, which comprises the following steps:
the method comprises the steps of S1, firstly, installing an angle adjusting cigarette holder assembly beside a smoke outlet of an asphalt mixing station, then adjusting the angle of a suction nozzle according to the actual condition of the smoke discharging direction, selecting and clamping in different directions in each positioning clamping groove through each positioning clamping block on an adjusting chassis and an adjusting face disk, then fixing bolts of the adjusting chassis and the adjusting face disk through each fixing screw hole and each fixing screw groove, and then communicating an air inlet hose with the angle adjusting cigarette holder assembly through an air inlet pipeline connecting seat to finish the accurate installation of the suction nozzle and the smoke outlet of the asphalt mixing station;
s2, firstly, opening an exhaust fan on a filter box group, enabling smoke exhausted from a smoke outlet of an asphalt mixing plant to be sucked by a suction nozzle, enabling the smoke to flow into an air inlet pipe box through a first air inlet hose, an air inlet pipe connecting seat and an air inlet hose, enabling the smoke to flow away from two sides by being split by a splitter plate when flowing downwards to a smoke splitting assembly, simultaneously, enabling a water pump on an atomization spraying filter mechanism to pump water into a water storage tank through a spraying water suction pipe, symmetrically spraying water mist to two sides from each atomization spraying head at the upper ends of two atomization spraying assemblies, separating harmful substances in the smoke, enabling the harmful substances to flow into a flow gathering hopper together with water flow, and enabling water and the harmful substances to flow into the water storage tank together at each flow gathering plate to finish separation and filtration treatment of the harmful substances in the smoke;
s3, enabling the smoke with peculiar smell after filtering out the harmful substances to flow upwards into the first peculiar smell filtering component and the second peculiar smell filtering component respectively from two exhaust ports on two sides of the lower end of the flow gathering hopper, enabling the smoke to sequentially pass through the first-stage water-absorbing gas filtering box and the second-stage water-absorbing gas filtering box to absorb, filter and separate water vapor in the smoke when flowing upwards to the lower end of the peculiar smell grading filtering box group from the peculiar smell filtering air inlet pipe, then sequentially passing through the first-stage peculiar smell-absorbing filtering box, the second-stage peculiar smell-absorbing filtering box and the third-stage peculiar smell-absorbing filtering box upwards to absorb, filtering out the peculiar smell in the smoke, and finally exhausting the air after filtering out the harmful substances, the water vapor and the peculiar smell from the upper end of the exhaust outer pipe through the exhaust air hose.
The invention has the beneficial effects that:
the invention provides a flue gas treatment system of an asphalt mixing station and a working method thereof, which are characterized in that a system for adapting to the flue gas emission treatment of the asphalt mixing station is formed by the structural combination design of a flue gas treatment and filtration device, an air inlet hose and an angle adjustment cigarette holder assembly, the treatment system is convenient for the accurate suction of high-level smoke discharged by the asphalt mixing station, and has the treatment functions of spraying and separating harmful substances by water mist, filtering and absorbing and separating water vapor by a water filtering ball, absorbing and separating harmful odor by active carbon and other systems, so that the air discharged outside after filtration meets the environmental protection emission requirement and does not pollute the surrounding environment.
Drawings
FIG. 1 is a schematic diagram of a flue gas treatment system for an asphalt mixing plant according to the present invention;
FIG. 2 is a schematic view of an angle-adjusted smoking nozzle assembly according to the present invention;
FIG. 3 is a schematic diagram of a filter box assembly according to the present invention;
FIG. 4 is a schematic diagram of a smoke diversion assembly according to the present invention;
FIG. 5 is a schematic diagram of the structure of the atomizing spray filtration mechanism of the present invention;
fig. 6 is a schematic structural view of a first odor filter assembly according to the present invention.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
Referring to fig. 1-6, the invention provides a flue gas treatment system of an asphalt mixing plant, comprising a flue gas treatment filter device 1, an air inlet hose 2 connected to the top end of the flue gas treatment filter device 1, and an angle adjusting cigarette holder assembly 3 connected to the other end of the air inlet hose 2, wherein the flue gas treatment filter device 1 comprises a filter box group 4, a flue gas diversion assembly 5 arranged at the upper end in a cavity of the filter box group 4, an atomization spray filter mechanism 6 arranged at the lower end of the front side of the filter box group 4, one end of the atomization spray filter mechanism 6 extends to one side of the two sides of the top end of the flue gas diversion assembly 5, the other end of the atomization spray filter mechanism 6 extends to the lower end in the cavity of the filter box group 4, two sides of the lower end of the flue gas diversion assembly 5 are symmetrically connected with a first odor filter assembly 7 and a second odor filter assembly 8, the other ends of the first odor filtering component 7 and the second odor filtering component 8 extend to the outside of the left side and the right side of the filtering box group 4 respectively, the angle adjusting cigarette holder component 3 comprises an adjusting underframe group 31, an adjusting cigarette holder group 32 movably arranged at one side of the upper end of the adjusting underframe group 31 and an air inlet pipe connecting seat 33 arranged on the adjusting underframe group 31, a first air inlet hose 34 is connected between the adjusting cigarette holder group 32 and the air inlet pipe connecting seat 33, a water storage tank 41 is arranged at the lower end in a cavity of the filtering box group 4, the angle adjusting cigarette holder component further comprises a filtering chamber 42 communicated with the upper part of the water storage tank 41, an air inlet pipe box 43 communicated with the middle part of the top end of the filtering chamber 42, an exhaust fan 44 arranged in the cavity of the air inlet pipe box 43 and a plurality of water mist clamping plates 45 symmetrically arranged at two sides of the lower end of the air inlet pipe box 43, the two ends of the front side surface of the filtering chamber 42 are respectively hinged with a first replacement filter element box door 46 and a second replacement filter element box door 47, the smoke diversion assembly 5 comprises an isolation transverse plate 51, a diversion plate 52 arranged in the middle of the top surface of the isolation transverse plate 51, a first inlet 53 and a second inlet 54 which are respectively arranged beside the two ends of the diversion plate 52, a flow collecting hopper 55 arranged in the middle of the bottom surface of the isolation transverse plate 51, a plurality of flow collecting plates 56 are symmetrically arranged on two sides of the middle in a cavity of the flow collecting hopper 55, a first exhaust port 57 and a second exhaust port 58 are respectively arranged on two sides of the lower end of the flow collecting hopper 55, the atomization spray filtering mechanism 6 comprises a water pump 61, a first atomization spray assembly 62 and a second atomization spray assembly 63 which are respectively connected with the water outlet end of the water pump 61, the water inlet end of the water pump 61 is connected with a spray water pumping pipe 64, the first atomization spraying component 62 comprises a water outlet pipe 621, a spraying plate 622 connected to the upper end of the water outlet pipe 621, and a plurality of atomization spraying heads 623 arranged at the other side of the spraying plate 622 at intervals, the first atomization spraying component 62 and the second atomization spraying component 63 have the same structure, the first odor filtering component 7 comprises an odor classification filtering box group 71, an odor filtering air inlet pipe 72 communicated with the lower end of the odor classification filtering box group 71, an exhaust air hose 73 connected to the upper end of the odor classification filtering box group 71, an exhaust outer pipe 74 connected to the other end of the exhaust air hose 73, a rain cover 75 is arranged at the other end of the exhaust outer pipe 74, the odor classification filtering box group 71 comprises a classification filtering box 711, a first-stage water absorbing air filtering box 712, a second-stage water absorbing air filtering box 713, a first-stage odor absorbing filtering box 714, a second-stage odor absorbing filtering box 715 and a third-stage odor absorbing filtering box 716 which are respectively sleeved in the cavity of the classification filtering box from bottom to top, the first odor filtering component 7 and the second odor filtering component 8 have the same structure, the adjusting chassis set 31 comprises a vertical frame 311, an adjusting chassis 312 welded at the upper end of the vertical frame 311, a plurality of positioning clamping blocks 313 welded at one side of the adjusting chassis 312, a plurality of fixing screw holes 314 formed at the side of the adjusting chassis 312, a first mounting seat 315 and a second mounting seat 316 are welded at the lower end of the vertical frame 311, the adjusting suction nozzle set 32 comprises an adjusting surface plate 321, a suction nozzle frame 322 welded at one side of the adjusting surface plate 321, a suction nozzle 323 arranged at the other end of the suction nozzle frame 322, and an isolating net piece 324 arranged at the bottom surface of the suction nozzle 323, wherein a plurality of fixing screw grooves 325 and a plurality of positioning clamping grooves 326 are formed on the adjusting surface plate 321.
Example two
The working method of the flue gas treatment system of the asphalt mixing plant comprises the following steps:
s1, firstly, installing an angle adjusting cigarette holder assembly 3 beside a smoke outlet of an asphalt mixing plant, then adjusting the angle of a suction nozzle 323 according to the actual condition of the smoke discharging direction, selecting and clamping in different directions in each positioning clamping groove 326 through each positioning clamping block 313 on an adjusting chassis 312 and an adjusting face plate 321, then fixing bolts of the adjusting chassis 312 and the adjusting face plate 321 through each fixing screw hole 314 and each fixing screw groove 325, and then communicating an air inlet hose 2 with the angle adjusting cigarette holder assembly 3 through an air inlet pipeline connecting seat to finish the accurate installation of the suction nozzle 323 and the smoke outlet of the asphalt mixing plant;
s2, firstly, an exhaust fan 44 on a filter box group 4 is opened, so that the smoke exhausted from a smoke outlet of an asphalt mixing plant is sucked by a suction nozzle 323, flows into an air inlet pipe box 43 through a first air inlet hose 34, an air inlet pipe connecting seat 33 and an air inlet hose 2, and when the smoke flows downwards to a smoke splitting component 5, the smoke is split by a splitting plate 52 and flows away from two sides, meanwhile, a water pump 61 on an atomization spraying filtering mechanism 6 pumps water into a water storage tank 41 through a spraying water suction pipe 64, water mist is symmetrically sprayed to two sides from each atomization spraying head 623 at the upper ends of two atomization spraying components, harmful substances in the smoke are separated, the harmful substances and water flow together flow into a flow gathering hopper 55 through two inlets, and the water and the harmful substances flow together into the water storage tank 41 at each flow gathering plate 56, so that the separation and filtering treatment of the harmful substances in the smoke is completed;
and S3, the odor smoke filtered out of harmful substances flows upwards into the first odor filtering component 7 and the second odor filtering component 8 respectively from two exhaust ports on two sides of the lower end of the flow gathering hopper 55, when flowing upwards to the lower end of the odor grading filtering box group 71 from the odor filtering air inlet pipe 72, the odor smoke sequentially passes through the first-stage water-absorbing gas filtering box 712 and the second-stage water-absorbing gas filtering box 713 to absorb and separate water vapor in the smoke, then sequentially passes through the first-stage odor-absorbing filtering box 714, the second-stage odor-absorbing filtering box 715 and the third-stage odor-absorbing filtering box 716 upwards to absorb and separate odor in the smoke, and finally the air filtered out of the harmful substances, the water vapor and the odor is discharged from the upper end of the exhaust outer pipe 74 through the exhaust air hose 73.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. An asphalt mixing plant flue gas treatment system which is characterized in that: including flue gas treatment filter equipment (1), connect in air inlet hose (2) on flue gas treatment filter equipment (1) top, connect in angle modulation cigarette holder subassembly (3) of air inlet hose (2) other end, flue gas treatment filter equipment (1) are including filter box group (4), set up flue gas reposition of redundant personnel subassembly (5) in upper end in filter box group (4) cavity, set up in atomizing spray filter mechanism (6) of filter box group (4) front side lower extreme, atomizing spray filter mechanism (6) one end extends to flue gas reposition of redundant personnel subassembly (5) top both sides one side respectively, atomizing spray filter mechanism (6) other end extends to filter box group (4) cavity inner lower extreme, flue gas reposition of redundant personnel subassembly (5) lower extreme both sides are symmetry respectively connected with first peculiar smell filter component (7) and second peculiar smell filter component (8), first peculiar smell filter component (7) and second peculiar smell filter component (8) other end extend respectively outside filter box group (4) left and right sides, angle modulation cigarette holder subassembly (3) are including adjusting group (31), set up in adjusting seat (31) one side of adjusting group on adjusting seat (31), the adjustable suction nozzle frame group (32) and the air inlet pipe connecting seat (33) are connected with a first air inlet hose (34), a water storage tank (41) is arranged at the lower end in the cavity of the filter box group (4), the adjustable suction nozzle frame group further comprises a filter chamber (42) which is communicated with the upper part of the water storage tank (41), an air inlet pipe box (43) which is communicated with the middle part of the top end of the filter chamber (42), an exhaust fan (44) which is arranged in the cavity of the air inlet pipe box (43), a plurality of water blocking mist plates (45) which are symmetrically arranged beside two sides of the lower end of the air inlet pipe box (43), a first filter element replacing box door (46) and a second filter element replacing box door (47) are respectively hinged at two ends of the front side of the filter chamber (42), the flue gas diverting assembly (5) comprises an isolation diaphragm (51), a diverting plate (52) arranged at the middle part of the top surface of the isolation diaphragm (51), a first inlet (53) and a second inlet (54) which are respectively arranged beside two ends of the diverting plate (52), and a flow gathering hopper (55) arranged at the middle part of the bottom surface of the isolation diaphragm (51), wherein a plurality of flow gathering plates (56) are symmetrically arranged at two sides of the middle part in a cavity of the flow gathering hopper (55), a first exhaust port (57) and a second exhaust port (58) are respectively arranged at two sides of the lower end of the flow gathering hopper (55), and the atomization spraying filtering mechanism (6) comprises a water pump (61), the first atomization spraying assembly (62) and the second atomization spraying assembly (63) are respectively connected to the water outlet end of the water pump (61), the water inlet end of the water pump (61) is connected with a spraying water suction pipe (64), the first atomization spraying assembly (62) comprises a water outlet pipe (621), a spraying plate (622) connected to the upper end of the water outlet pipe (621), and a plurality of atomization spraying heads (623) arranged on the other side of the spraying plate (622) at intervals, and the first atomization spraying assembly (62) and the second atomization spraying assembly (63) are identical in structure.
2. A flue gas treatment system for an asphalt mixing plant according to claim 1, wherein: the utility model provides a first peculiar smell filter unit (7) include peculiar smell hierarchical rose box group (71), the intercommunication sets up in peculiar smell filtration intake pipe (72) of peculiar smell hierarchical rose box group (71) lower extreme, connect in exhaust gas hose (73) of peculiar smell hierarchical rose box group (71) upper end, connect in exhaust outer tube (74) of exhaust gas hose (73) other end, exhaust outer tube (74) other end is provided with rain-proof cover (75), peculiar smell hierarchical rose box group (71) include hierarchical rose box (711), locate first order water vapor filter box (712), second grade water vapor filter box (713), first order peculiar smell rose box (714), second grade peculiar smell rose box (715) and tertiary peculiar smell rose box (716) of inhaling from the lower movable sleeve in hierarchical rose box (711) cavity respectively, first peculiar smell filter unit (7) are the same with second peculiar smell filter unit (8) structure, first order water vapor filter box (712) and second grade water vapor filter box (713) are interior all put the hollow ball of straining, first order water vapor filter box (714) have the active carbon that the active carbon in the level carbon filtration case has, the active carbon filtration case (716) is inhaled to the tertiary active carbon.
3. A flue gas treatment system for an asphalt mixing plant according to claim 1, wherein: the adjusting chassis group (31) comprises a vertical frame (311), an adjusting chassis (312) welded at the upper end of the vertical frame (311), a plurality of positioning clamping blocks (313) welded on one side surface of the adjusting chassis (312), a plurality of fixing screw holes (314) formed in the side surface of the adjusting chassis (312), a first mounting seat (315) and a second mounting seat (316) are welded at the lower end of the vertical frame (311) respectively, the adjusting suction nozzle frame group (32) comprises an adjusting surface plate (321), a suction nozzle frame (322) welded on one side of the adjusting surface plate (321), a suction nozzle (323) arranged at the other end of the suction nozzle frame (322) and an isolating net piece (324) arranged on the bottom surface of the suction nozzle (323), and a plurality of fixing screw grooves (325) and a plurality of positioning clamping grooves (326) are formed in the adjusting surface plate (321) respectively.
4. A method of operating a flue gas treatment system for a bituminous mixing plant according to any one of claims 1 to 3, characterised by the steps of:
s1, firstly, installing an angle adjusting cigarette holder assembly (3) at one side of a smoke outlet of an asphalt mixing plant, then adjusting the angle of a suction nozzle (323) according to the actual condition of the smoke outlet direction, selecting and clamping all positioning clamping blocks (313) on an adjusting chassis (312) and an adjusting face plate (321) in different directions in all positioning clamping grooves (326), then fixing bolts of the adjusting chassis (312) and the adjusting face plate (321) through all fixing screw holes (314) and all fixing screw grooves (325), and then communicating an air inlet hose (2) with the angle adjusting cigarette holder assembly (3) through an air inlet pipeline connecting seat (3), so as to finish the accurate installation of the suction nozzle (323) and the smoke outlet of the asphalt mixing plant;
s2, firstly, an exhaust fan (44) on a filter box group (4) is opened, so that smoke exhausted from a smoke outlet of an asphalt mixing plant is sucked by a suction nozzle (323), flows into an air inlet pipe box (43) through a first air inlet hose (34), an air inlet pipe connecting seat (33) and an air inlet hose (2), when the smoke flows downwards to a smoke splitting component (5), the smoke is split by a splitting plate (52) and flows away from two sides, meanwhile, a water pump (61) on an atomization spraying and filtering mechanism (6) pumps water into a water storage tank (41) through a spraying water pipe (64), water mist is symmetrically sprayed to two sides from each atomization spraying head (623) at the upper ends of the two atomization spraying components, harmful substances in the smoke are separated, the water mist flows into a flow gathering hopper (55) together with water flow, and flows together into the water storage tank (41) at each flow gathering plate (56), and the harmful substances are gathered together, so that the separation and filtering treatment of the harmful substances in the smoke is completed;
s3, the smoke with the peculiar smell after filtering the harmful substances flows upwards into the first peculiar smell filtering component (7) and the second peculiar smell filtering component (8) respectively from two exhaust ports at two sides of the lower end of the flow gathering hopper (55), when the smoke flows upwards to the lower end of the peculiar smell grading filtering box group (71) from the peculiar smell filtering air inlet pipe (72), the smoke sequentially passes through the first-stage water-absorbing gas filtering box (712) and the second-stage water-absorbing gas filtering box (713) to absorb and filter the water vapor in the smoke, then sequentially passes through the first-stage peculiar smell-absorbing filtering box (714), the second-stage peculiar smell-absorbing filtering box (715) and the third-stage peculiar smell-absorbing filtering box (716) to absorb and filter the peculiar smell in the smoke, and finally, the air after filtering the harmful substances, the water vapor and the peculiar smell is discharged from the upper end of the exhaust outer pipe (74) through the exhaust air hose (73).
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| CN116899369A (en) | 2023-10-20 |
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