CN219539863U - Flue gas treatment system of asphalt mixing plant - Google Patents

Abstract

The utility model relates to a flue gas treatment system of an asphalt mixing plant, which comprises a flue gas discharge pipe arranged on the mixing plant, wherein the flue gas discharge pipe is connected with an adsorption tank, the adsorption tank is communicated with a discharge pipe, a fan with an input end close to one side of the adsorption tank is arranged on the discharge pipe, two bearing plates with active carbon are arranged in the adsorption tank along the flue gas evacuation direction, the two bearing plates are alternately and slidingly connected in the adsorption tank, and the adsorption tank is provided with a transmission assembly for controlling the two bearing plates to slide. The utility model has the effect of facilitating the activated carbon to perform the adsorption function for a longer time.

Description

Flue gas treatment system of asphalt mixing plant

Technical Field

The utility model relates to the technical field of asphalt flue gas treatment, in particular to a flue gas treatment system of an asphalt mixing plant.

Background

Asphalt mixtures are typically transported to a mixing plant after early production and stored in asphalt tanks. The asphalt mixture in the asphalt tank is typically heated to a certain temperature and maintained for practical use in the production of the mixture. When the mixture is produced, asphalt is pumped into an asphalt weighing hopper through an asphalt pump, and is put into a stirring tank together with aggregate with a certain grading to be stirred, so that an asphalt mixture is produced, and after uniform stirring, the finished product process mixture is put onto a skip car.

In the flue gas treatment process, an operator treats the flue gas by an active carbon adsorption method in an adsorption tank provided with active carbon, and the purpose of purifying the organic waste gas is achieved by adsorbing harmful components.

Aiming at the related technology, in the long-term operation process of the asphalt mixing plant, the smoke is adsorbed by the activated carbon and then is attached to the surface of the activated carbon, the adsorption effect is poor after the adsorption saturation, the new activated carbon needs to be replaced, the smoke exhausted by the asphalt mixing plant needs to be reduced in the replacement process, and the working efficiency is affected.

Disclosure of Invention

In order to facilitate the activated carbon to perform adsorption for a longer time, the utility model provides a flue gas treatment system of an asphalt mixing plant.

The utility model provides a flue gas treatment system of an asphalt mixing plant, which adopts the following technical scheme:

the utility model provides an asphalt mixing plant flue gas processing system, includes the exhaust pipe of installing on the stirring station, the exhaust pipe is connected with the adsorption tank, the adsorption tank is linked together and is had the exhaust pipe, be equipped with the fan that the input is close to adsorption tank one side on the exhaust pipe, be equipped with two loading boards that put the active carbon along the evacuated direction of flue gas in the adsorption tank, two loading boards sliding connection in turn in the adsorption tank, the adsorption tank is equipped with and is used for controlling two loading board gliding drive assembly.

By adopting the technical scheme, the flue gas output from the stirring station is discharged from the smoke exhaust pipe and is input into the adsorption tank. The starting transmission assembly controls a bearing plate with active carbon to slide to the inner wall of the side wall butt adsorption tank, and adsorbs harmful substances in the flue gas, so that the effect of purifying organic waste gas is achieved, and meanwhile, the fan operates to drive the purified flue gas to be discharged from the discharge pipe. In the adsorption process, harmful ingredients are attached to the surface of the activated carbon, after the adsorption effect and activity of the activated carbon are affected, an operator starts a transmission assembly to control the bearing plate to slide in the direction away from the adsorption tank, and simultaneously controls the other bearing plate to synchronously slide to the inner wall of the side wall butt adsorption tank, so that the effect of updating the activated carbon is realized, and the activated carbon can be adsorbed more permanently.

Optionally, the drive assembly includes along the gliding drive block of loading board slip direction, a plurality of drive plate that are used for installing the loading board and slide the drive post in the drive block, the loading board can dismantle with the drive plate and be connected, set up in the drive plate and be used for the gliding transmission hole of drive post, two the drive post slides in two transmission holes in turn, be equipped with the brake assembly who is used for controlling the drive post motion on the drive block.

By adopting the technical scheme, when controlling the motion of different bearing plates, the brake assembly is started to control one of the transmission columns to move into the transmission hole of the transmission plate connected with the bearing plate to be moved, and the other transmission column is abutted against the side wall of the transmission plate. The transmission block slides to drive the connected transmission plate to move, and the other transmission plate is static to replace the position of the two bearing plates in the adsorption tank.

Optionally, sliding connection has the connecting plate that is used for installing the loading board in the drive plate, the loading board passes through bolted connection with the connecting plate, the connecting plate is close to the direction of adsorption tank and is fixed with spring one, the tip that the spring one deviates from the adsorption tank is fixed with the drive plate mutually.

Through adopting above-mentioned technical scheme, drive to keeping away from the adsorption tank by the drive plate after the active carbon that the loading board put on adsorbs a large amount of harmful substance, operating personnel twists the bolt, lift down the loading board from the connecting plate, simultaneously with the higher active carbon that will have on changing to the loading board on after, twist the bolt and be connected loading board and connecting plate, slide to the direction that is close to the adsorption tank on the drive plate under the drive of spring one, the drive plate is kept away from the adsorption tank when being convenient for slide to in the adsorption tank to reduce the occupation of the space that the drive plate carries out the adsorption effect in to the adsorption tank.

Optionally, the brake subassembly includes the drive wheel of rotating with the drive block and being connected, the drive wheel circumference equidistant is fixed with a plurality of blocks of shifting, the quantity of shifting is odd, adjacent shift and be equipped with the recess between the piece, the transmission post with shift piece surface and recess inner wall sliding connection.

Through adopting above-mentioned technical scheme, the drive wheel rotates, and the transformation piece and the recess at the both ends along the straight line direction butt two transmission posts respectively to change the position of transmission post, make one transmission post slide in the transmission downthehole, another transmission post butt drive plate outer wall. The driving wheel rotates to enable the driving columns to slide on the inner walls of the variable position blocks and the grooves, and the positions of the two driving columns are alternately changed, so that the two driving columns alternately slide on the inner walls of the adjacent driving holes.

Optionally, a driving roller is arranged at the end part of the driving column connected with the deflection block, a second spring is fixed between the driving roller and the driving column, and when the second spring is in a natural state, the driving column is close to the driving roller.

By adopting the technical scheme, when the driving wheel rotates, the surface of the shifting block is abutted against the driving roller, and the contact area of the surface is smaller when the shifting block slides mutually, so that the friction force is reduced. The second spring connects the driving roller and the driving column, so that the second spring is compressed under force when the contact surface of the driving roller is changed into a deflection block from the inner wall of the groove, and the stability of the driving column sliding to be close to the driving hole on the surface of the driving plate is improved.

Optionally, the brake assembly further comprises a motor with an output end fixed with the axis of the driving wheel.

Through adopting above-mentioned technical scheme, the motor starts and drives the drive wheel and rotate to save manpower and time, it is more convenient.

Optionally, a cylinder for pushing the transmission block to move is arranged on the outer side of the adsorption tank, and the output end of the cylinder is fixed with the transmission block.

By adopting the technical scheme, the starting cylinder controls the piston rod to stretch out and draw back, so that the transmission block is pushed to slide, the manpower and time are saved, and the device is more convenient.

Optionally, the filter tank is further provided with a filter tank, one end of the filter tank is communicated with the smoke exhaust pipe, the other end of the filter tank is provided with a connecting pipe communicated with the adsorption tank, the upper part in the filter tank is provided with two plasma electric fields, the lower part of the filter tank is provided with an oil collecting tank, and a micropulse plasma power supply for generating corona discharge is arranged in the filter tank.

Through adopting above-mentioned technical scheme, in the flue gas passes through the exhaust pipe input filter tank two plasma electric fields, produces corona discharge through micropulse plasma power, under pulse high voltage electricity effect, the air is activated to produce plasma, make this active free radical can directly open the molecular bond between harmful waste gas various gas molecules, degrade and oxidize, become carbon dioxide and water, further improve the filter effect to the flue gas, reduce the discharge of harmful substance. Meanwhile, part of filtered substances are accumulated in the oil collecting groove, so that the recycling of operators is facilitated.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. through the arrangement that two transmission posts alternately slide in two transmission holes, when one transmission post moves to the transmission hole of the transmission plate connected with the bearing plate to be moved, the other transmission post is abutted against the side wall of the transmission plate. The transmission block slides to drive the connected transmission plate to move, and the other transmission plate is static to replace the positions of the two bearing plates in the adsorption tank;

2. through the alternating arrangement of the variable position blocks and the grooves, the two transmission columns are changed to be respectively abutted against the inner walls of the variable position blocks and the grooves, so that the position of the end part of the transmission column, which is far away from the transmission wheel, is changed, and the effect that one transmission column slides in the transmission hole and the other transmission column is abutted against the transmission plate is achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a flue gas treatment system for an asphalt mixing plant.

Fig. 2 is a schematic view showing the structure of the protruding filter canisters.

Fig. 3 is a schematic view showing the structure of the protruding canister.

Reference numerals illustrate: 1. a stirring station; 11. a smoke exhaust pipe; 2. an adsorption tank; 21. a discharge pipe; 211. a blower; 22. a carrying plate; 23. a cylinder; 3. a transmission assembly; 31. a transmission block; 32. a drive plate; 321. a transmission hole; 322. a connecting plate; 3221. a first spring; 323. a bolt; 33. a drive column; 331. a driving roller; 332. a second spring; 4. a brake assembly; 41. a driving wheel; 411. a shift block; 412. a groove; 42. a motor; 5. a filter tank; 51. a plasma electric field; 52. an oil sump; 53. a connecting pipe; 54. micropulse plasma power supply.

Detailed Description

The present utility model will be described in further detail below with reference to the accompanying drawings.

The embodiment of the utility model discloses a flue gas treatment system of an asphalt mixing plant.

Referring to fig. 1 and 2, a flue gas treatment system for an asphalt mixing plant comprises a flue gas discharge pipe 11, a filter tank 5 and an adsorption tank 2 which are arranged on the mixing plant 1, wherein one end of the filter tank 5 is communicated with the flue gas discharge pipe 11, the other end of the filter tank 5 is provided with a connecting pipe 53 communicated with the adsorption tank 2, the adsorption tank 2 is communicated with a discharge pipe 21, and a fan 211 with an input end close to one side of the adsorption tank 2 is arranged on the discharge pipe 21. The flue gas outputted from the mixing station 1 passes through the flue gas discharge pipe 11, the filter tank 5, the connection pipe 53, the adsorption tank 2, and the discharge pipe 21 in this order. The fan 211 drives the flow of the flue gas. A plasma electric field 51 is arranged in the filter tank 5 to perform preliminary filtration on the flue gas; the adsorption tank 2 is internally provided with activated carbon for secondary filtration of the flue gas, so that the impurity-containing harmful substances in the discharged flue gas are reduced, and the pollution is reduced.

Referring to fig. 2, two plasma electric fields 51 are arranged at the upper part in the filter tank 5, an oil collecting groove 52 is arranged at the lower part, a micropulse plasma power supply 54 for generating corona discharge is arranged in the filter tank 5, the micropulse plasma power supply 54 generates corona discharge, and air is activated under the action of pulse high voltage, so that plasmas are generated, and the active free radicals can directly open molecular bonds among various gas molecules of harmful waste gas to degrade and oxidize into carbon dioxide and water, so that the filtering effect on flue gas is further improved, and the discharge amount of harmful substances is reduced.

Referring to fig. 1 and 3, two bearing plates 22 with active carbon are arranged in the adsorption tank 2 along the direction of smoke evacuation, and the active carbon adsorption method is adopted to adsorb harmful components on the surface of the active carbon, so that the amount of harmful substances in harmful waste gas is reduced, and the filtering effect on smoke is improved. The two bearing plates 22 alternately slide in the adsorption tank 2, so that the activated carbon can be replaced conveniently, and the longer-time filtration of the flue gas by using the activated carbon with higher activity can be improved. The adsorption tank 2 is provided with a transmission assembly 3 for controlling the sliding of the two carrier plates 22.

Referring to fig. 3, the driving assembly 3 includes a plurality of driving plates 32 for mounting the carrier plates 22, the driving plates 32 are slidably coupled with coupling plates 322 for mounting the carrier plates 22, and the carrier plates 22 are coupled with the coupling plates 322 by bolts 323, so that the mounting and dismounting of the carrier plates 22 are facilitated, and thus, the disposal and replacement of the used activated carbon are facilitated. The direction that connecting plate 322 is close to adsorption tank 2 is fixed with spring one 3221, and spring one 3221 deviates from the tip of adsorption tank 2 and is fixed mutually with drive plate 32, is convenient for draw connecting plate 322 to loading board 22 to keep away from adsorption tank 2 to one side that keeps away from adsorption tank 2 at the operating personnel, change the back to the active carbon, shrink drive connecting plate 322 and continuous loading board 22 to the tip slip of drive plate 32 to save the power of control connecting plate 322 motion, it is more convenient.

Referring to fig. 3, the transmission assembly 3 includes a transmission block 31 sliding along the sliding direction of the carrier plate 22 and a transmission column 33 sliding in the transmission block 31, wherein a transmission hole 321 for sliding the transmission column 33 is formed in the transmission plate 32, and the two transmission columns 33 slide in the two transmission holes 321 alternately, so that the transmission block 31 moves to drive the two transmission plates 32 to move alternately. The transmission block 31 is provided with a brake assembly 4 for controlling the movement of the transmission column 33.

Referring to fig. 3, the brake assembly 4 includes a driving wheel 41 rotatably connected with the driving block 31, a plurality of shifting blocks 411 are fixed on the driving wheel 41 at equal intervals in the circumferential direction, the number of the shifting blocks 411 is an odd number, grooves 412 are arranged between adjacent shifting blocks 411, the driving columns 33 are slidably connected with the surfaces of the shifting blocks 411 and the inner walls of the grooves 412, and the shifting blocks 411 and the grooves 412 change the length along the radial direction of the driving wheel 41, so that the positions of the driving columns 33 in the driving block 31 are changed, and the effect that two driving columns 33 alternately slide on the inner walls of the driving holes 321 is achieved. The brake assembly 4 further comprises a motor 42, the output end of which is fixed with the axis of the driving wheel 41, and the motor 42 provides power for the rotation of the driving wheel 41, so that manpower and time are saved.

Referring to fig. 3, a driving roller 331 is disposed at an end portion of the driving post 33 connected to the shifting block 411, the driving roller 331 abuts against a side wall of the shifting block 411 and an inner wall of the groove 412, so that a contact area is reduced, and a sliding friction force of a contact surface is reduced, so that movement of the driving post 33 is more stable, a second spring 332 is fixed between the driving roller 331 and the driving post 33, when the second spring 332 is in a natural state, the driving post 33 is close to the driving roller 331, so that the driving roller 331 slides from the inner wall of the groove 412 to the position of the shifting block 411, the second spring 332 is compressed, and stability of sliding of the driving post 33 on a surface of the driving plate 32 is improved.

Referring to fig. 3, an air cylinder 23 for pushing the transmission block 31 to move is arranged at the outer side of the adsorption tank 2, the output end of the air cylinder 23 is fixed with the transmission block 31, and the air cylinder 23 operates to drive a piston rod to stretch and retract, so that the transmission block 31 is pushed to slide, and manpower and time are saved.

The embodiment of the utility model provides an implementation principle of a flue gas treatment system of an asphalt mixing plant 1, which comprises the following steps: the flue gas is output from the flue gas exhaust pipe 11 of the mixing station 1, passes through the plasma electric field 51 in the filter tank 5, and generates corona discharge through the micro-pulse plasma power supply 54, so that the pulse high-voltage electricity degrades and oxidizes harmful waste gas. The filtered smoke is inputted into the adsorption tank 2 through the connection pipe 53, harmful substances are adsorbed by activated carbon, and then the secondarily filtered smoke is discharged from the discharge pipe 21 through the blower 211.

The purification effect is poor after a large amount of harmful substances are adsorbed on the surface of the current active carbon. The operator activates the cylinder 23 so that the telescopic rod extends in the cylinder 23 to drive the driving plate 32 connected with the current driving column 33 to slide in a direction away from the adsorption tank 2. Then, the motor 42 is started to drive the driving wheel 41 to rotate to the positions of the driving block 31 and the groove 412 to change, one of the driving columns 33 is driven to slide in the driving block 31 to the driving hole 321, the driving plate 32 is connected with the carrying plate 22 which is not used for adsorbing activated carbon, and the telescopic rod is contracted to drive the driving plate 32 to slide towards the direction approaching the adsorption tank 2. At the same time, the operator removes the bolts 323 on the carrier plate 22 remote from the canister 2 to clean and replace the activated carbon.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides an asphalt mixing plant flue gas treatment system, includes to install fume exhaust pipe (11) on stirring station (1), its characterized in that: the smoke exhaust pipe (11) is connected with an adsorption tank (2), the adsorption tank (2) is connected with a discharge pipe (21), a fan (211) with an input end close to one side of the adsorption tank (2) is arranged on the discharge pipe (21), two bearing plates (22) with activated carbon are arranged in the adsorption tank (2) along the direction of smoke evacuation, the two bearing plates (22) are alternately and slidably connected in the adsorption tank (2), and the adsorption tank (2) is provided with a transmission assembly (3) for controlling the two bearing plates (22) to slide.

2. A flue gas treatment system for an asphalt mixing plant according to claim 1, wherein: the transmission assembly (3) comprises a transmission block (31) sliding along the sliding direction of the bearing plate (22), a plurality of transmission plates (32) for installing the bearing plate (22) and transmission columns (33) sliding in the transmission block (31), the bearing plate (22) is detachably connected with the transmission plates (32), transmission holes (321) for sliding the transmission columns (33) are formed in the transmission plates (32), the two transmission columns (33) alternately slide in the two transmission holes (321), and a brake assembly (4) for controlling the transmission columns (33) to move is arranged on the transmission block (31).

3. A flue gas treatment system for asphalt plants according to claim 2, wherein: the device is characterized in that a connecting plate (322) for installing the bearing plate (22) is slidably connected in the transmission plate (32), the bearing plate (22) is connected with the connecting plate (322) through bolts (323), a first spring (3221) is fixed in the direction of the connecting plate (322) close to the adsorption tank (2), and the end part of the first spring (3221) deviating from the adsorption tank (2) is fixed with the transmission plate (32).

4. A flue gas treatment system for asphalt plants according to claim 2, wherein: the brake assembly (4) comprises a driving wheel (41) rotationally connected with a driving block (31), a plurality of shifting blocks (411) are circumferentially and equidistantly fixed on the driving wheel (41), the number of the shifting blocks (411) is odd, grooves (412) are formed between every two adjacent shifting blocks (411), and the driving columns (33) are in sliding connection with the surfaces of the shifting blocks (411) and the inner walls of the grooves (412).

5. A flue gas treatment system for an asphalt mixing plant according to claim 4, wherein: the end part of the transmission column (33) connected with the deflection block (411) is provided with a transmission roller (331), a second spring (332) is fixed between the transmission roller (331) and the transmission column (33), and when the second spring (332) is in a natural state, the transmission column (33) is close to the transmission roller (331).

6. A flue gas treatment system for an asphalt mixing plant according to claim 4, wherein: the brake assembly (4) further comprises a motor (42) with an output end fixed with the axis of the driving wheel (41).

7. A flue gas treatment system for asphalt plants according to claim 2, wherein: the outside of the adsorption tank (2) is provided with a cylinder (23) for pushing the transmission block (31) to move, and the output end of the cylinder (23) is fixed with the transmission block (31).

8. A flue gas treatment system for an asphalt mixing plant according to claim 1, wherein: still include filter tank (5), filter tank (5) one end is linked together with exhaust fume pipe (11), and the other end is equipped with connecting pipe (53) that are linked together with adsorption tank (2), upper portion is equipped with two plasma electric fields (51) in filter tank (5), and the lower part is equipped with oil collecting groove (52), be equipped with micropulse plasma power supply (54) that produce corona discharge in filter tank (5).