CN115072204B

CN115072204B - Asphalt flue gas treatment device

Info

Publication number: CN115072204B
Application number: CN202210642426.1A
Authority: CN
Inventors: 张谦; 王新辉; 吕军会; 张晔; 肖锦军; 李静; 徐鹏; 吴高峰; 王锐; 韩雨杭; 刘拓
Original assignee: Xi'an No2 Municipal Engineering Co
Current assignee: Xi'an No2 Municipal Engineering Co
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2023-07-07
Anticipated expiration: 2042-06-08
Also published as: CN115072204A

Abstract

The utility model relates to an asphalt flue gas treatment device, which relates to the technical field of asphalt production and comprises a finished product bin, a sampling piece and a sealing component, wherein the finished product bin comprises a discharging pipe, a discharging pipe and a first driving piece, the discharging pipe is communicated with the lower part of the finished product bin, the discharging pipe is in sliding connection with the discharging pipe, and the first driving piece is arranged at one end of the discharging pipe far away from the discharging pipe; the sampling piece comprises a sampling tube, the sampling tube is positioned between the discharging tube and the first driving piece, and the sampling tube is provided with an opening which faces upwards; the sealing assembly comprises a collecting box, a first sealing plate, a second sealing plate and an air draft piece, one end of the collecting box is connected with the bottom of the finished product bin, the first sealing plate and the second sealing plate are symmetrically arranged on two sides of the collecting box, driving parts are arranged on the first sealing plate and the second sealing plate and used for driving the first sealing plate and the second sealing plate to move oppositely or back to back, and the air draft piece is arranged in the collecting box. The asphalt fume sucking device has the effect of reducing the possibility that asphalt fume is sucked by operators.

Description

Asphalt flue gas treatment device

Technical Field

The application relates to the technical field of asphalt production, in particular to an asphalt flue gas treatment device.

Background

Pollution control and haze reduction become important links of environmental management, so how to reduce environmental pollution generated in the construction production process of building construction enterprises becomes a main problem. Particularly, when the asphalt concrete finished product material is discharged and conveyed, a large amount of smoke is generated.

In the related art, when the asphalt concrete finished product is conveyed, the asphalt concrete finished product is directly dropped into a carriage from a stirring pot, then the asphalt concrete finished product is conveyed by a vehicle, and in the blanking process, operators are required to check the appearance of the asphalt concrete finished product and measure the temperature of the asphalt concrete finished product.

With respect to the related art in the above, the inventors consider that asphalt fumes just produced from asphalt concrete finished products falling into a cabin in a stirred tank are easily inhaled by operators, affecting the health of the operators.

Disclosure of Invention

In order to reduce the possibility of asphalt fumes being inhaled by operators, the present application provides an asphalt fume treatment apparatus.

The application provides a pitch flue gas processing apparatus adopts following technical scheme:

the utility model provides a pitch flue gas processing apparatus, includes finished product feed bin, sampling piece and seal assembly, and the finished product feed bin includes discharging pipe, unloading pipe and first driving piece, and discharging pipe and finished product feed bin below intercommunication are provided with damping piece between unloading pipe and the discharging pipe to unloading pipe sliding connection, and first driving piece sets up in the unloading pipe one end of keeping away from the discharging pipe, and first driving piece is used for sealing or opening the opening of unloading pipe; the sampling piece comprises a sampling tube, the sampling tube is positioned between the discharging tube and the first driving piece, the sampling tube is provided with an opening, the opening faces upwards, one end of the sampling tube is inserted into the discharging tube, and the other end of the sampling tube extends out of the side wall of the discharging tube; the sealing assembly comprises a collecting box, a first sealing plate, a second sealing plate and an air draft piece, wherein one end of the collecting box is connected with the bottom of a finished product bin, a discharging pipe and a discharging pipe are arranged in the collecting box in a surrounding mode, the first sealing plate and the second sealing plate are symmetrically arranged on two sides of the collecting box, the first sealing plate and the second sealing plate are connected with the collecting box in a sliding mode and overlap with each other, the sliding direction is horizontal sliding, driving parts are arranged on the first sealing plate and the second sealing plate and used for driving the first sealing plate and the second sealing plate to move oppositely or back to back, the air draft piece is arranged in the collecting box, and the air draft piece is used for extracting smoke in the collecting box and filtering the smoke.

Through adopting above-mentioned technical scheme, pack into the finished product feed bin with the finished product material of asphalt concrete that produces in, when needing to carry the finished product material, be connected unloading pipe and transport vechicle, start the updraft ventilator, take out the sample piece by operating personnel and observe and detect the finished product material, install the updraft ventilator after observing, operating personnel keeps away from the unloading pipe, start first driving piece, first driving piece makes unloading pipe and transport vechicle intercommunication carry out the blanking, driving piece drive first closing plate and second closing plate centre gripping are on the lateral wall of unloading pipe during the blanking, make and form the flue gas reflux chamber between first closing plate, second closing plate and the collection box, the flue gas of intracavity is taken out and is discharged after filtering via the updraft ventilator, thereby reduce the possibility that asphalt flue gas is inhaled by operating personnel.

Optionally, a heating element is further arranged in the collecting box, and the heating element is used for heating and removing impurities from the flue gas in the collecting box.

Through adopting above-mentioned technical scheme, when unloading, produce a large amount of flue gas in the collecting box, the heating member burns the flue gas in the collecting box, takes out via the air exhauster after the burning, and dust etc. that can not burn drop on first closing plate and second closing plate, when accumulating the dust more, clear up first closing plate and second closing plate.

Optionally, still be provided with sealed canopy on the finished product feed bin, sealed canopy encloses to establish sealing assembly for carry out secondary seal to sealing assembly, sealed canopy symmetrical both sides are provided with sealing door.

Through adopting above-mentioned technical scheme, when operating personnel detects the finished product material and carries out blanking, the sealing door on the sealed canopy is the closed condition, reduces the possibility that the flue gas is excessive by operating personnel's inhalation.

Optionally, at least one vent hole is formed in the blanking pipe, a leakage-proof net is arranged in the vent hole, a plugging piece is arranged at the vent hole of the blanking pipe, and the plugging piece is used for plugging the vent hole.

Through adopting above-mentioned technical scheme, when unloading pipe and transport vechicle intercommunication carry out the blanking, open the shutoff piece, make the air vent circulate the intraductal air of unloading, reduce the possibility that the aggregate flue gas is too much in the transport vechicle.

Optionally, the plugging piece includes picture peg and inserted block, and the inserted block is connected near the air vent department with the unloading pipe, has seted up the slot on the inserted block, and the picture peg is pegged graft in the slot.

By adopting the technical scheme, when the vent hole is required to be opened, the plugboard is pulled out, so that the vent hole is communicated with the blanking pipe and the collecting box, and smoke generated during blanking in the blanking pipe is discharged.

Optionally, the sampling piece still includes a mounting, and a mounting sets up in the unloading pipe one side that is close to the sampling tube, and a mounting is used for fixed sampling tube that stretches out the unloading pipe.

Through adopting above-mentioned technical scheme, when extracting the sampling tube, remove the fixed of first mounting to the sampling tube, when installing the sampling tube, use first mounting to fix the sampling tube, reduce the possibility that the sampling tube dropped.

Optionally, the drive part includes rack, gear and second driving piece, and the rack is connected with first closing plate or second closing plate, and the gear meshes with the rack, and the second driving piece is connected with the gear, and the second driving piece is fixed on the lateral wall of collecting box, and the second driving piece is used for driving the gear rotation, and the direction of movement of rack is the same with the slip direction of first closing plate or second closing plate.

Through adopting above-mentioned technical scheme, when unloading, promote the unloading pipe near the finished product feed bin for the unloading pipe is retracted to first closing plate and second closing plate top, starts the second driving piece, and the second driving piece drives the gear rotation, and the rack horizontal direction is driven to slide by the gear, makes first closing plate and second closing plate move in opposite directions, until first closing plate and second closing plate seal the collecting box, start heating piece and updraft ventilator handle the flue gas in the collecting box.

Optionally, a sealing ring is connected to the bottom end of the blanking pipe.

By adopting the technical scheme, the tightness between the blanking pipe and the transport vehicle is further improved

Optionally, an observation window is arranged on one side of the sealing shed far away from the sealing door.

Through adopting above-mentioned technical scheme, the unloading condition of operating personnel in sealed canopy outward appearance transport vechicle of being convenient for reduces the possibility that operating personnel inhaled pitch flue gas.

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

1. the lifting blanking pipe is arranged below the finished product bin, the sampling piece is arranged on the blanking pipe, the blanking pipe is connected with the transport vehicle during discharging, the possibility that an operator sucks a large amount of asphalt smoke is reduced by detecting the asphalt concrete finished product through the sampling piece, meanwhile, the sealing component is arranged below the finished product bin, the smoke is collected in the collecting box by the sealing component, filtered and discharged, and the possibility that the asphalt smoke is sucked by the operator is reduced;

2. the sealing shed is additionally arranged on the peripheral side of the sealing assembly, so that the flue gas which is scattered out of the sealing assembly is further subjected to sealing collection treatment, and the possibility of sucking by operators caused by asphalt flue gas overflow is reduced;

3. the vent holes are arranged on the blanking pipe, so that the possibility of excessive asphalt smoke in the tank of the transport vehicle is reduced during blanking.

Drawings

Fig. 1 is a schematic structural diagram of an asphalt fume treatment device according to an embodiment of the present application.

Fig. 2 is a perspective cross-sectional view of an asphalt fume treatment apparatus according to an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural view of a sampling member of an asphalt fume treatment apparatus according to an embodiment of the present application.

Fig. 5 is a schematic view of a part of the structure of a hidden collection box of an asphalt fume treatment apparatus according to an embodiment of the present application.

Fig. 6 is a partial perspective cutaway view of an asphalt fume treatment apparatus according to an embodiment of the present application.

Fig. 7 is a schematic view of a part of a hidden sealing shed of an asphalt fume treatment device according to an embodiment of the present application.

Reference numerals illustrate: 1. a finished product bin; 11. a discharge pipe; 12. discharging pipes; 121. a vent hole; 122. a leakage preventing net; 13. a damping member; 14. a first driving member; 15. a seal ring; 16. a mounting frame; 2. sampling a sample piece; 21. a sampling tube; 22. a first fixing member; 221. a plug pin; 222. a fixing plate; 23. a handle; 3. a seal assembly; 31. a collection box; 311. a bleed hole; 312. a baffle; 313. a cylinder; 32. a first sealing plate; 33. a second sealing plate; 34. an air suction member; 35. a rubber pad; 4. sealing the shed; 41. sealing the door; 42. an observation window; 5. a driving part; 51. a rack; 52. a gear; 53. a second driving member; 6. a heating member; 7. a blocking member; 71. inserting plate; 72. inserting blocks; 721. a slot.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

The embodiment of the application discloses an asphalt flue gas treatment device.

Referring to fig. 1, fig. 2 and fig. 3, an asphalt fume treatment device comprises a finished product bin 1, a sampling part 2, a sealing assembly 3 and a sealing shed 4, wherein the bottom of the finished product bin 1 is bucket-shaped, a discharging pipe 11 is welded at the bottom of the finished product bin 1, a discharging pipe 12 is sleeved on the discharging pipe 11, the discharging pipe 12 is slidably connected with the discharging pipe 11, the discharging pipe 12 can ascend and descend along the discharging pipe 11, a damping part 13 is adhered to the inner peripheral side of the discharging pipe 12, the damping part 13 is positioned between the discharging pipe 12 and the discharging pipe 11, one end, far away from the discharging pipe 11, of the discharging pipe 12 is fixedly connected with a first driving part 14 through a bolt, the first driving part 14 is an electric plugboard 71 valve, a sealing ring 15 is adhered to the lower surface of the discharging pipe 12, the sealing ring 15 is a rubber ring, the sealing performance when the discharging pipe 12 is connected with a transport vehicle is improved, a mounting frame 16 is welded at one end, far away from the discharging pipe 11, of the mounting frame 16 is fixedly connected with the transport vehicle through the bolt.

With reference to fig. 1, 2 and 3, the sampling member 2 is inserted into a side wall of the discharging pipe 12, which is far away from the discharging pipe 11, and the sampling member 2 is drawn out to detect asphalt concrete finished products, meanwhile, the sealing assembly 3 is covered at the bottom of the finished product bin 1 to seal the discharging pipe 11 and the discharging pipe 12, so that the possibility of asphalt flue gas overflow is reduced; and sealing canopy 4 cover establishes sealing subassembly 3 week side, further seals sealing subassembly 3 to cover whole transport vechicle and establish in sealing canopy 4, after the transport vechicle loading, collect the flue gas in the sealing canopy 4 and open sealing canopy 4 again after handling, operating personnel goes into in and operates, further reduces operating personnel's possibility of inhaling pitch flue gas.

Referring to fig. 1, 2 and 3, the left and right sides of sealed canopy 4 all is provided with sealing door 41, and sealing door 41 is electronic shutter door, and sealing canopy 4 is kept away from on the lateral wall of sealing door 41 through bolt fixedly connected with observation window 42, and observation window 42 is convenient for operating personnel observe the condition of unloading in the sealed canopy 4.

Referring to fig. 2 and 3, the seal assembly 3 includes a collecting box 31, a first sealing plate 32, a second sealing plate 33 and an air draft member 34, the collecting box 31 is a square frame, one end of the collecting box 31 provided with an opening is welded with the bottom of the finished product bin 1, the first sealing plate 32 and the second sealing plate 33 are horizontally arranged at one end of the collecting box 31 far away from the finished product bin 1, the first sealing plate 32 and the second sealing plate 33 are symmetrically arranged at two sides of the collecting box 31, the first sealing plate 32 and the second sealing plate 33 penetrate through the collecting box 31 and are in sliding connection with the collecting box 31, one side of the first sealing plate 32 close to the second sealing plate 33 is in a step shape, one side of the second sealing plate 33 close to the first sealing plate 32 is attached to the first sealing plate 32, a rubber pad 35 is adhered to the first sealing plate 32, the rubber pad 35 is also in a step shape, and the rubber pad 35 reduces the possibility of collision between the first sealing plate 32 and the second sealing plate 33 on one hand, and improves the friction between the first sealing plate 32 and the second sealing plate 33 on the other hand.

Referring to fig. 2 and 3, the upper surfaces of the first sealing plate 32 and the second sealing plate 33 are respectively provided with a driving part 5, the driving part 5 comprises a rack 51, a gear 52 and a second driving part 53, the driving part 5 on the first sealing plate 32 and the driving part 5 on the second sealing plate 33 are installed in the same mode, the rack 51 on the first sealing plate 32 is welded with the upper surface of the first sealing plate 32, the gear 52 is rotationally connected to the upper surface of the first sealing plate 32 through a rotating shaft, the gear 52 is meshed with the rack 51, the output end of the second driving part 53 is in key connection with the gear 52, the shell of the second driving part 53 is fixedly connected with the outer side wall of the collecting box 31 through a bolt, and the second driving part 53 is a servo motor.

The second driving member 53 is driven, the second driving member 53 drives the gear 52 to rotate, and the gear 52 drives the rack 51 to slide horizontally, so as to drive the first sealing plate 32 to slide, and further enable the first sealing plate 32 and the second sealing plate 33 to move in opposite directions or opposite directions.

Referring to fig. 2 and 3, a heating element 6 is disposed in the collecting box 31, the heating element 6 is a flue gas heater, the heating element 6 can heat and remove impurities in flue gas, the impurities generated after heating in the flue gas fall on the first sealing plate 32 and the second sealing plate 33, and an operator periodically cleans the upper surfaces of the first sealing plate 32 and the second sealing plate 33; the air extracting member 34 is arranged above the heating member 6, the air extracting opening of the air extracting member 34 is positioned in the collecting box 31, and the air outlet is communicated with the upper surface of the sealing shed 4 through a connecting pipe, so that the treated gas is discharged into the sealing shed 4 through the connecting pipe.

Referring to fig. 3 and 4, the sampling member 2 includes a sampling tube 21 and a first fixing member 22, one end of the sampling tube 21 is inserted into the blanking tube 12, the other end extends out of the side wall of the blanking tube 12, one end inserted into the blanking tube 12 is provided with an inclined surface and an opening, meanwhile, the sampling tube 21 is provided with an opening for loading the sampling tube 21 upwards, the upward opening is convenient for detecting asphalt concrete finished products in the sampling tube 21, and the inclined surface is convenient for inserting the sampling tube 21; meanwhile, a handle 23 is welded to one end of the sampling tube 21 extending out of the blanking tube 12. The first fixing member 22 includes a pin 221 and a fixing plate 222, the fixing plate 222 is welded on a side wall of the blanking tube 12 near the handle 23, and the pin 221 sequentially penetrates through the fixing plate 222 and the handle 23, so as to fix the sampling tube 21.

Referring to fig. 5 and 6, the discharging pipe 11 and the discharging pipe 12 may be cylindrical or rectangular or square, in this embodiment, the discharging pipe 11 and the discharging pipe 12 are square, the four side walls of the discharging pipe 12 near the discharging pipe 11 are all provided with vent holes 121, a leakage-proof net 122 is welded in the vent holes 121, the outside of the discharging pipe 12 is provided with a plugging piece 7 at the vent holes 121, the plugging piece 7 comprises a plugging plate 71 and a plugging block 72, the plugging block 72 and the discharging pipe 12 near the vent holes 121 are symmetrically welded with two plugging pieces, slots 721 are all provided on the plugging block 72, the cross section of the plugging block 72 is in an L shape, the plugging plate 71 is plugged in the slots 721, and the plugging plate 71 is in a T shape. When the vent hole 121 is closed, the insert plate 71 may be inserted into the insertion groove 721.

Referring to fig. 7, the collecting box 31 is symmetrically provided with a vent hole 311, the vent hole 311 is cuboid, a baffle plate 312 is slidably connected at the vent hole 311, the baffle plate 312 penetrates through the collecting box 31 and is inserted into the vent hole 311, a side wall of the baffle plate 312, which is far away from the second driving piece 53, is connected with an air cylinder 313 through a bolt, and the air cylinder 313 is fixedly connected with the collecting box 31 through a fixing seat.

The flue gas purifier is placed in the sealed shed 4, not shown in the figure, when the flue gas is too much in the collection box 31, the cylinder 313 is started, the baffle 312 is started to be pulled away, the air vent 311 is opened, the flue gas purifier in the sealed shed 4 is used for strengthening and purifying, and the efficiency of purifying the flue gas is improved.

The implementation principle of the asphalt flue gas treatment device in the embodiment of the application is as follows: when the transport vehicle is charged, the discharging pipe 12 is connected with the transport vehicle, the sampling pipe 21 is pulled out to detect the asphalt concrete finished product material, after the detection is qualified, the plugging piece 7 is opened, meanwhile, an operator leaves the sealed shed 4, the first driving piece 14 is started to discharge, and the heating piece 6 and the air draft piece 34 are started to treat the flue gas in the collecting box 31; after the unloading is finished, before the sealed shed 4 is opened, the air cylinder 313 is required to be started, the air cylinder 313 pumps the baffle plate 312, so that the flue gas in the collecting box 31 enters the sealed shed 4 from the collecting box 31, then the flue gas in the sealed shed 4 is purified by the flue gas purifier, and after the purification treatment, an operator enters the sealed shed 4 again to operate, and the possibility that asphalt flue gas is inhaled by the operator is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides an asphalt flue gas treatment device, includes finished product feed bin (1), sampling piece (2) and seal assembly (3), its characterized in that:

the finished product bin (1), finished product bin (1) includes discharging pipe (11), unloading pipe (12) and first driving piece (14), discharging pipe (11) and finished product bin (1) below intercommunication, unloading pipe (12) and discharging pipe (11) sliding connection, be provided with damping piece (13) between unloading pipe (12) and discharging pipe (11), first driving piece (14) set up in unloading pipe (12) keep away from the one end of discharging pipe (11), first driving piece (14) are used for closing or opening the opening of unloading pipe (12);

the sampling piece (2), the sampling piece (2) comprises a sampling tube (21), the sampling tube (21) is positioned between the discharging tube (11) and the first driving piece (14), the sampling tube (21) is provided with an opening, the opening is upward, one end of the sampling tube (21) is inserted into the discharging tube (12), and the other end of the sampling tube extends out of the side wall of the discharging tube (12);

at least one vent hole (121) is formed in the discharging pipe (12), a leakage-proof net (122) is arranged in the vent hole (121), a plugging piece (7) is arranged at the position of the vent hole (121) in the discharging pipe (12), and the plugging piece (7) is used for plugging the vent hole (121);

the sealing assembly (3), sealing assembly (3) include collecting box (31), first closing plate (32), second closing plate (33) and updraft ventilator (34), collecting box (31) one end is connected with the bottom of finished product feed bin (1), enclose unloading pipe (12) and discharging pipe (11) and establish in collecting box (31), first closing plate (32) and second closing plate (33) symmetry set up in the both sides of collecting box (31), first closing plate (32) and second closing plate (33) and collecting box (31) sliding connection overlap joint each other, the slip direction is the horizontal slip, form flue gas backward flow chamber between first closing plate (32), second closing plate (33) and the collecting box (31), still be equipped with heating element (6) in collecting box (31), heating element (6) are used for carrying out heating edulcoration to the flue gas in the collecting box (31). The first sealing plate (32) and the second sealing plate (33) are both provided with a driving part (5), the driving part (5) is used for driving the first sealing plate (32) and the second sealing plate (33) to move in opposite directions or in opposite directions, the air draft piece (34) is arranged in the collecting box (31), and the air draft piece (34) is used for extracting flue gas in the collecting box (31) and filtering the flue gas; still be provided with sealed canopy (4) on finished product feed bin (1), sealed canopy (4) enclose and establish sealing assembly (3) for carry out secondary seal to sealing assembly (3), sealed canopy (4) symmetrical both sides are provided with sealing door (41).

2. An asphalt fume treatment assembly according to claim 1, wherein: the plugging piece (7) comprises an inserting plate (71) and an inserting block (72), the inserting block (72) is connected with the blanking pipe (12) close to the vent hole (121), the inserting block (72) is provided with an inserting groove (721), and the inserting plate (71) is inserted into the inserting groove (721).

3. An asphalt fume treatment assembly according to claim 1, wherein: the sampling piece (2) further comprises a first fixing piece (22), the first fixing piece (22) is arranged on one side, close to the sampling tube (21), of the blanking tube (12), and the first fixing piece (22) is used for fixing the sampling tube (21) extending out of the blanking tube (12).

4. An asphalt fume treatment assembly according to claim 1, wherein: the driving part (5) comprises a rack (51), a gear (52) and a second driving piece (53), wherein the rack (51) is connected with the first sealing plate (32) or the second sealing plate (33), the gear (52) is meshed with the rack (51), the second driving piece (53) is connected with the gear (52), the second driving piece (53) is fixed on the outer side wall of the collecting box (31), the second driving piece (53) is used for driving the gear (52) to rotate, and the moving direction of the rack (51) is the same as the sliding direction of the first sealing plate (32) or the second sealing plate (33).

5. An asphalt fume treatment assembly according to claim 1, wherein: the bottom end of the blanking pipe (12) is connected with a sealing ring (15).

6. An asphalt fume treatment assembly according to claim 1, wherein: one side of the sealing shed (4) far away from the sealing door (41) is provided with an observation window (42).