Special dust remover for asphalt mixing plant
By using a serpentine cooling pipe cooling and activated carbon box filtration system, the problems of equipment damage and odor in the high-temperature exhaust gas treatment of asphalt mixing plants have been solved. This has achieved effective exhaust gas cooling and odor removal, extended equipment life, and improved the environment and health conditions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-03-24
AI Technical Summary
The existing bag filters in asphalt mixing plants are easily damaged in the treatment of high-temperature exhaust gases, and the irritating odors in the exhaust gases are harmful to the environment and health. Existing technologies are difficult to effectively cool down and remove odors.
The system employs a serpentine cooling tube cooling and activated carbon box filtration system. The serpentine cooling tube cools the water with a cooling liquid, while the activated carbon box adsorbs VOCs and odors. Combined with a cleaning mechanism and a drive mechanism, the serpentine cooling tube can be cleaned and the activated carbon box can be replaced.
It effectively cools high-temperature exhaust gases and removes odors, extends equipment life, and improves environmental and health impacts.
Smart Images
Figure CN224024533U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to dust removal equipment technical field, concretely relates to a special dust remover of asphalt mixing building. BACKGROUND
[0002] Asphalt mixing building is a special equipment for producing asphalt mixture, and is widely used in road construction and maintenance engineering. The waste gas generated in the working process of the asphalt mixing building is usually removed by a bag dust collector.
[0003] The waste gas generated by the asphalt mixing building is usually high in temperature. Because the aggregate needs to be heated to above 160 DEG C, and the asphalt also needs to be heated to above 140 DEG C, the high-temperature waste gas entering the bag dust collector is easy to scald the bag, greatly reducing the service life of the bag. The waste gas generated by the asphalt mixing building has a strong irritating odor, mainly from asphalt smoke and VOCs, which affects the surrounding environment and the health of residents. Therefore, we propose a special dust remover for asphalt mixing building. UTILITY MODEL CONTENTS
[0004] The utility model provides a special dust remover for asphalt mixing building to solve the technical problem proposed in the above background technology.
[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:
[0006] A special dust remover for asphalt mixing building, comprising a rectangular pipe fixedly communicated with the left side of a cooling tank, a gas inlet pipe fixedly communicated with the left side of the rectangular pipe, a connecting pipe fixedly communicated with the right side of the cooling tank, the connecting pipe being communicated with a bag dust collector, a serpentine cooling pipe fixedly installed in the cooling tank, the two ends of the serpentine cooling pipe being vertically upwardly through the top plate of the cooling tank and fixedly connected therewith, and the two ends of the serpentine cooling pipe being fixedly connected with flanges respectively, the flanges being communicated with external cooling circulating equipment, a cleaning mechanism arranged in the cooling tank for wiping and cleaning the surface of the serpentine cooling pipe, a rectangular exhaust pipe fixedly connected with the top end of the bag dust collector, a rotating groove being formed in the right side of the rectangular exhaust pipe, a rotating disc rotatably connected with the top end of the bag dust collector, a plurality of activated carbon boxes being detachably connected with the rotating disc at equal intervals, the rotating disc being sealingly rotatably connected in the rotating groove, and a driving mechanism arranged on the rotating disc for driving the rotation thereof.
[0007] Further, the cleaning mechanism comprises two moving plates arranged on the front and back sides of the serpentine cooling pipe respectively, a plurality of cleaning bristles being fixedly connected with the opposite sides of the two moving plates at equal intervals, the cleaning bristles being in abutment with the serpentine cooling pipe, a sliding rod being fixedly connected with the opposite sides of the two moving plates respectively, and the sliding rods extending leftward and slidingly through the left side wall of the cooling tank.
[0008] Further, the rectangular pipe is rotationally connected with a rotating shaft, the outer side of the rotating shaft is fixedly connected with a plurality of blades which are distributed along the circumferential direction of the rotating shaft, a partition plate is fixedly connected inside the rectangular pipe and on the left side of the blades, the front and rear ends of the rotating shaft are respectively fixedly connected with first connecting rods, the end of the first connecting rod away from the rotating shaft is rotationally connected with a second connecting rod, and the end of the second connecting rod away from the first connecting rod is rotationally connected with the left end of the sliding rod.
[0009] Further, the driving mechanism comprises a threaded hole penetrating the top end of the cloth bag dust collector, a threaded rod is threadedly connected in the threaded hole, a movable hole coaxially penetrates the middle part of the rotating disc, the threaded rod coaxially penetrates the movable hole, and the inner walls of the movable hole are respectively fixedly connected with limiting blocks on the left and right sides, and limiting grooves are formed in the left and right sides of the threaded rod.
[0010] Further, a plurality of mounting holes are formed on the rotating disc and are distributed along the circumferential direction of the rotating disc, the inner walls of the mounting holes are formed with internal threads, the outer wall of the active carbon box is formed with external threads, and the active carbon box is threadedly connected in the mounting hole.
[0011] Compared with the prior art, the technical progress achieved by the utility model lies in that: during the work of the utility model, the waste gas generated by the green mixing building is transported into the air inlet pipe by the air suction pump, enters the cooling box through the rectangular pipe, circulates and injects the cooling liquid into the serpentine cooling pipe, the high-temperature waste gas is cooled by being in contact with the serpentine cooling pipe for heat exchange, then the cooled waste gas enters the cloth bag dust collector through the connecting pipe, the waste gas is filtered and dedusted, the filtered gas is discharged through the rectangular exhaust pipe, the gas passes through the active carbon box during the discharging process, the active carbon in the active carbon box further removes VOCs in the gas and adsorbs the irritating odor, so that the discharged gas has no irritating odor, the utility model can cool the high-temperature waste gas and remove the odor; after the serpentine cooling pipe is used for a long time, a certain amount of dust impurities will adhere to the outer wall of the serpentine cooling pipe, the dust impurities will affect the heat exchange efficiency of the high-temperature gas, by starting the cleaning mechanism, the dust impurities on the surface of the serpentine cooling pipe can be wiped and cleaned, the active carbon is easily deactivated after being used for a long time, so that the active carbon needs to be replaced, by starting the driving mechanism to rotate the rotating disc, the deactivating active carbon box is removed from the rotating groove, and another new active carbon box is rotated into the rotating groove, so that the replacement of the active carbon box is completed, and the utility model is convenient for replacing the active carbon box. BRIEF DESCRIPTION OF DRAWINGS
[0012] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation on the utility model.
[0013] In the drawings:
[0014] Figure 1 It is the structural schematic view of the utility model;
[0015] Figure 2 It is Figure 1 It is the enlarged view of A in the middle;
[0016] Figure 3 It is Figure 1 It is the enlarged view of B in the middle;
[0017] Figure 4 It is the sectional view of the cooling tank and the rectangular pipe connection of the utility model;
[0018] Figure 5 It is Figure 4 It is the enlarged view of C in the middle;
[0019] Figure 6 It is the front view sectional view of the rectangular exhaust pipe and the rotary disc connection of the utility model;
[0020] Figure 7 It is the top view sectional view of the rectangular exhaust pipe and the rotary disc connection of the utility model.
[0021] Marked parts: 1, cooling tank; 2, rectangular pipe; 3, air inlet pipe; 4, connecting pipe; 5, cloth bag dust collector; 6, serpentine cooling pipe; 7, flange plate; 8, rectangular exhaust pipe; 9, rotating groove; 10, rotary disc; 11, active carbon box; 12, moving plate; 13, cleaning brush; 14, slide rod; 15, rotating shaft; 16, blade; 17, partition plate; 18, first connecting rod; 19, second connecting rod; 20, threaded rod; 21, movable hole; 22, limit block; 23, limit groove; 24, mounting hole. DETAILED DESCRIPTION
[0022] The preferred embodiments of the utility model are described below in conjunction with the drawings. It should be understood that the preferred embodiments described here are only for illustrating and explaining the utility model, and are not used to limit the utility model.
[0023] The utility model discloses a special dust collector for asphalt mixing building, like Figures 1-7As shown, including fixed communication in the left side of the cooling box 1 rectangular tube 2, the left side of the rectangular tube 2 fixed communication with the air inlet pipe 3, the right side of the cooling box 1 fixed communication with the connecting pipe 4, the connecting pipe 4 and cloth bag dust collector 5 communication, cooling box 1 fixedly installed with the serpentine cooling pipe 6, the two ends of the serpentine cooling pipe 6 pass through the cooling box 1 top plate along the vertical direction upward, and fixedly connected with the cooling box 1 top plate, the two ends of the serpentine cooling pipe 6 are fixedly connected with the flange plate 7, the flange plate 7 is communicated with the external cooling circulating equipment, the cleaning mechanism is arranged in the cooling box 1, the cleaning mechanism is used for wiping and cleaning the surface of the serpentine cooling pipe 6, the top end of the cloth bag dust collector 5 is fixedly connected with the rectangular exhaust pipe 8, the right side of the rectangular exhaust pipe 8 is provided with a rotating groove 9, the top end of the cloth bag dust collector 5 is rotatably connected with the rotating disc 10, a plurality of active carbon boxes 11 are detachably connected on the rotating disc 10, the rotating disc 10 is sealingly rotatably connected in the rotating groove 9, and the driving mechanism is arranged on the rotating disc 10, the driving mechanism is used for driving the rotating disc 10 to rotate;
[0024] The working principle and advantages of the utility model are that: the exhaust gas generated by the asphalt mixing building is transported into the air inlet pipe 3 by the air suction pump, enters into the cooling box 1 through the rectangular pipe 2, circulates and injects the cooling liquid into the serpentine cooling pipe 6, the high-temperature exhaust gas is cooled by contacting and heat exchanging with the serpentine cooling pipe 6, then the cooled exhaust gas enters into the cloth bag dust collector 5 through the connecting pipe 4, filters and removes dust from the exhaust gas, the filtered gas is discharged through the rectangular exhaust pipe 8, the gas passes through the active carbon box 11 in the discharging process, the activated carbon in the active carbon box 11 further removes VOCs in the gas and adsorbs the irritating odor, so that the discharged gas has no irritating odor, the utility model can cool the high-temperature exhaust gas and remove odor; after long-term use of the serpentine cooling pipe 6, a certain amount of dust impurities will adhere to the outer wall of the serpentine cooling pipe 6, which will affect the heat exchange efficiency of the high-temperature gas, by starting the cleaning mechanism, the dust impurities on the surface of the serpentine cooling pipe 6 can be wiped and cleaned, and the activated carbon is easily deactivated after long-term use, so that the activated carbon needs to be replaced, by starting the driving mechanism to rotate the rotating disc 10, the deactivated active carbon box 11 is removed from the rotating groove 9 under the driving of the rotating disc 10, and at the same time, another new active carbon box 11 is rotated into the rotating groove 9, so that the replacement of the active carbon box 11 is completed, and the utility model is convenient for replacing the active carbon box 11.
[0025] As an optimal embodiment of the utility model, the cleaning mechanism comprises two moving plates 12 arranged respectively at the front and back of the serpentine cooling pipe 6, a plurality of cleaning bristles 13 are fixedly connected at equal intervals on the opposite sides of the two moving plates 12, the cleaning bristles 13 abut against the serpentine cooling pipe 6, the opposite sides of the two moving plates 12 are fixedly connected with slide rods 14 respectively, the slide rods 14 extend to the left and slide through the left side wall of the cooling box 1, a rotating shaft 15 is rotatably connected in the rectangular pipe 2, a plurality of blades 16 are fixedly connected at equal intervals on the outer side of the rotating shaft 15, a partition plate 17 is fixedly connected inside the rectangular pipe 2 and on the left side of the blades 16, first connecting rods 18 are fixedly connected respectively at the front and back of the rotating shaft 15, second connecting rods 19 are rotatably connected at the ends of the first connecting rods 18 away from the rotating shaft 15, and the ends of the second connecting rods 19 away from the first connecting rods 18 are rotatably connected with the left ends of the slide rods 14, when the exhaust gas is sucked into the inlet pipe 3 and the rectangular pipe 2 by the air suction pump, the flowing exhaust gas passes through the gap above the partition plate 17 and impacts the blades 16 to rotate, thereby driving the rotating shaft 15 to rotate, the rotating shaft 15 drives the first connecting rods 18 to rotate, the first connecting rods 18 drive the slide rods 14 to move horizontally and reciprocally through the second connecting rods 19, thereby driving the moving plates 12 to reciprocate left and right, and the cleaning bristles 13 reciprocally wipe the outer side wall of the serpentine cooling pipe 6.
[0026] As an optimal embodiment of the utility model, the driving mechanism comprises a threaded hole penetrating the top end of the cloth bag dust collector 5, a threaded rod 20 is threadedly connected in the threaded hole, a movable hole 21 coaxially penetrates the middle part of the rotating disc 10, the threaded rod 20 coaxially penetrates the movable hole 21, limit blocks 22 are fixedly connected respectively on the left and right inner walls of the movable hole 21, limit grooves 23 are formed respectively on the left and right sides of the threaded rod 20, and the limit blocks 22 are slidably connected in the limit grooves 23; by rotating the threaded rod 20, the threaded rod 20 is driven to rotate and move up and down, the limit grooves 23 and the limit blocks 22 are arranged, thereby driving the rotating disc 10 to rotate, and the inactivated activated carbon box 11 is replaced through the rotation of the rotating disc 10, so that the new activated carbon box 11 enters the rotating groove 9.
[0027] As an optimal embodiment of the utility model, a plurality of mounting holes 24 are formed at equal intervals on the circumferential direction of the rotating disc 10, the inner walls of the mounting holes 24 are formed with internal threads, the outer side wall of the activated carbon box 11 is formed with external threads, and the activated carbon box 11 is threadedly connected in the mounting hole 24; by arranging the activated carbon box 11 to be threadedly connected in the mounting hole 24, the activated carbon box 11 is disassembled and assembled.
[0028] It should be explained finally: the above described is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the scope of protection of the utility model claim.
Claims
1. A dust collector for an asphalt plant, characterized in that: The utility model provides a kind of dust removal device, including fixed communication with the rectangular pipe of left side of cooling tank, the left side of the rectangular pipe is fixedly connected with air inlet pipe, the right side of the cooling tank is fixedly connected with connecting pipe, the connecting pipe is communicated with cloth bag dust collector, serpentine cooling pipe is fixedly installed in the cooling tank, the both ends of serpentine cooling pipe are vertically upwards and fixedly connected with its top plate, and the both ends of serpentine cooling pipe are fixedly connected with flange respectively, the flange is communicated with external cooling circulating equipment, cleaning mechanism for wiping and cleaning the surface of serpentine cooling pipe is arranged in the cooling tank, the top of the cloth bag dust collector is fixedly connected with rectangular exhaust pipe, and rotating groove is arranged in the right side of rectangular exhaust pipe, the top of the cloth bag dust collector is rotatably connected with rotating disc, a plurality of activated carbon boxes are detachably connected on the rotating disc and equidistantly distributed, and the rotating disc is sealingly rotatably connected in rotating groove, and driving mechanism for driving the rotation of rotating disc is arranged on the rotating disc.
2. The special dust collector for asphalt mixing plant according to claim 1, characterized in that: The cleaning mechanism includes moving plates arranged on the front and back sides of the serpentine cooling pipe respectively, a plurality of cleaning bristles are fixedly connected to the opposite sides of the two moving plates and equidistantly distributed, the cleaning bristles abut against the serpentine cooling pipe, sliding rods are fixedly connected to the opposite sides of the two moving plates away from each other, and the sliding rods extend leftwards and slide through the left side wall of the cooling tank.
3. The special dust collector for asphalt mixing plant according to claim 2, characterized in that: A rotating shaft is rotatably connected in the rectangular pipe, a plurality of blades are fixedly connected to the outer side of the rotating shaft and equidistantly distributed along the circumferential direction of the rotating shaft, a partition plate is fixedly connected inside the rectangular pipe and to the left side of the blades, first connecting rods are fixedly connected to the front and back ends of the rotating shaft respectively, a second connecting rod is rotatably connected to the end of the first connecting rod away from the rotating shaft, and the end of the second connecting rod away from the first connecting rod is rotatably connected to the left end of the sliding rod.
4. The special dust collector for asphalt mixing plant according to claim 3, characterized in that: The driving mechanism includes a threaded hole penetrating the top of the cloth bag dust collector, a threaded rod is screwedly connected in the threaded hole, an active hole coaxially penetrates the middle part of the rotating disc, the threaded rod coaxially penetrates the active hole, and limit blocks are fixedly connected to the inner walls of the active hole on the left and right sides respectively, limit grooves are formed on the left and right sides of the threaded rod respectively, and the limit blocks are slidingly connected in the limit grooves.
5. A dust collector for an asphalt plant as defined in claim 4, characterized in that: A plurality of mounting holes are formed on the rotating disc and equidistantly distributed along the circumferential direction of the rotating disc, internal threads are formed on the inner side walls of the mounting holes, external threads are formed on the outer side walls of the activated carbon boxes, and the activated carbon boxes are screwedly connected in the mounting holes.