CN212523645U

CN212523645U - Flue gas recovery device in asphalt production process

Info

Publication number: CN212523645U
Application number: CN202021028105.5U
Authority: CN
Inventors: 牛永峰; 孙绘宏; 李雪; 徐�明; 张范
Original assignee: Liaoning Baolai Bio Energy Co Ltd
Current assignee: Liaoning Baolai Bio Energy Co Ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-12
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a pitch production process flue gas recovery unit, comprising a base plate, the top fixed mounting of bottom plate has processing cabinet and water tank, handles and has seted up purification chamber and stock solution chamber on the cabinet, and one side fixed mounting that the processing cabinet kept away from the water tank has the tobacco pipe, and the tobacco pipe communicates mutually with purification intracavity portion, and fixed mounting has the suction fan in the tobacco pipe, purifies the intracavity and is equipped with the drain pipe, and equidistant fixed mounting in bottom of drain pipe has a plurality of shower nozzles, purifies intracavity fixed mounting and has the fender dirt filter plate that is located the drain pipe top, activated carbon plate and the board of congealing, and activated carbon plate is located the fender dirt filter plate and congeals between the water plate. The utility model relates to a rationally, the practicality is good, and is good to the flue gas purification effect that produces in the pitch production process, and purification efficiency is high, is difficult for causing the pollution of environment, can utilize the waste heat in the flue gas to heat the clear water moreover, can regard as domestic water to use, carries out recycle to the waste heat in the flue gas, has energy-conserving effect.

Description

Flue gas recovery device in asphalt production process

Technical Field

The utility model relates to a flue gas recovery plant technical field specifically is a pitch production process flue gas recovery unit.

Background

Asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and non-metallic derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, is soluble in carbon disulfide, is a waterproof, moistureproof and anticorrosive organic gelled material, and can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt, wherein the coal tar asphalt is a coking byproduct, the petroleum asphalt is residue after crude oil distillation, the natural asphalt is stored underground, some ore layers are formed or accumulated on the surface of a crust, the asphalt is mainly used for industries such as paint, plastic, rubber and the like and paving road surfaces, and smoke is generated in the production and processing process of the asphalt, and along with the national emphasis and strict control on environmental protection, smoke needs to be recovered and purified by using smoke recovery processing equipment and then is discharged to the outside, to reduce contamination and damage to the environment.

However, in the prior art, the flue gas recovery processing device commonly used in the asphalt production process has poor purification effect on the flue gas generated in the asphalt production process, has low purification efficiency, is easy to cause secondary pollution to the environment when being discharged to the outside, contains a large amount of waste heat in the flue gas, cannot recover and reuse the waste heat in the flue gas, causes resource waste, and does not have an energy-saving effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a pitch production process flue gas recovery unit has solved the flue gas purification effect that flue gas recovery treatment facility produced in to pitch production process not good, and purification efficiency is low, discharges to the external secondary pollution who causes the environment easily, can not retrieve the waste heat in the flue gas moreover and recycle, causes the wasting of resources, does not have the problem of energy-conserving effect.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the flue gas recovery device in the asphalt production process comprises a bottom plate, wherein a treatment cabinet and a water cabinet are fixedly mounted at the top of the bottom plate, a purification cavity and a liquid storage cavity are formed in the treatment cabinet, a smoke tube is fixedly mounted at one side of the treatment cabinet, which is far away from the water cabinet, and is communicated with the interior of the purification cavity, a suction fan is fixedly mounted in the smoke tube, a liquid outlet tube is arranged in the purification cavity, a plurality of spray heads are fixedly mounted at the bottom of the liquid outlet tube at equal intervals, a dust blocking filter plate, an activated carbon plate and a water condensing plate are fixedly mounted in the purification cavity, the activated carbon plate is positioned between the dust blocking filter plate and the water condensing plate, a water pump is fixedly mounted at one side of the treatment cabinet, which is far away from the water cabinet, one end of the liquid outlet tube extends out of the treatment cabinet and is fixedly connected with the discharge end of the water pump, a water suction end, be equipped with eight puddlers in the pivot, eight puddlers are two bisymmetry settings, the mounting hole has been seted up on the one side inner wall that the water cabinet was kept away from in the stock solution chamber, one side fixed mounting that the water cabinet was kept away from to the processing cabinet has the motor, the one end of pivot run through the mounting hole and with the output shaft fixed connection of motor, one side fixed mounting who handles the cabinet has the exhaust fan that is located the water cabinet top, the suction end fixed mounting of exhaust fan has first gas-supply pipe, the one end that the exhaust fan was kept away from to first gas-supply pipe and the one side fixed connection who handles the cabinet, first gas-supply pipe is linked together with the purification chamber, the exhaust end fixedly connected with second gas-supply pipe of exhaust fan, fixed mounting has the U type pipe in the water cabinet, the both ends of U type pipe all extend to outside the water cabinet, the one end fixed connection of exhaust fan and U type.

Preferably, one side fixed mounting that the processing cabinet was kept away from to the water tank has feed pipe and drain pipe, and equal fixed mounting has the stop valve on feed pipe and the drain pipe, and feed pipe and drain pipe all are linked together with water tank inside, and the feed pipe is located the top of drain pipe.

Preferably, a feeding pipe is fixedly installed on one side of the processing cabinet, the feeding pipe is communicated with the liquid storage cavity, and an end cover is installed on the top end of the feeding pipe in a threaded mode.

Preferably, one side of the treatment cabinet is fixedly provided with a residue discharge pipe, a residue discharge valve is fixedly arranged on the residue discharge pipe, and the residue discharge pipe is communicated with the purification cavity.

Preferably, an access hole is formed in the inner wall of one side of the purification cavity, an access door is fixedly mounted on one side of the treatment cabinet, and the access door is matched with the access hole.

Preferably, a round hole is formed in the inner wall of one side of the water tank, and a glass mirror is fixedly mounted in the round hole.

Preferably, the rotating shaft is fixedly sleeved with a bearing, and an outer ring of the bearing is fixedly connected with the inner wall of the mounting hole.

(III) advantageous effects

The utility model provides a pitch production process flue gas recovery unit. The method has the following beneficial effects:

(1) this pitch production process flue gas recovery unit, through unscrewing the end cover on the feeding pipe, can add appropriate amount clear water and purification medicament in the stock solution intracavity, the starter motor, the motor drives pivot and eight puddler rotation, utilize the rotation of eight puddlers, can mix the stirring to clear water and purification medicament, form purifying solution, through starting suction fan work, the flue gas that produces in the pitch production process is inhaled the purification intracavity through the tobacco pipe, through starting the water pump, the purifying solution of stock solution intracavity is from a plurality of shower nozzles atomizing blowout, the dust granule in atomizing spun purifying solution and the flue gas that gets into the purification intracavity bumps and condenses into the drop of water and falls to the bottom inner wall that purifies the chamber on, acidic harmful gas in purifying solution and the flue gas takes place neutralization reaction, can carry out preliminary purification to the flue gas.

(2) The flue gas recovery device in the asphalt production process starts an exhaust fan to work, the flue gas after primary purification sequentially penetrates through a dust blocking filter plate, an activated carbon plate and a condensate plate to be sucked into a first gas transmission pipe, the dust blocking filter plate is used for blocking dust particles in the flue gas to prevent the dust particles from entering the first gas transmission pipe, the activated carbon plate is used for carrying out secondary adsorption and purification on fine particles, peculiar smell and the like in the flue gas after primary purification, the condensate plate is used for blocking water vapor carried in the flue gas to prevent the water vapor from being sucked into the first gas transmission pipe, the purified flue gas sequentially passes through a second gas transmission pipe and a U-shaped pipe and is finally discharged to the outside from an exhaust pipe, the pollution and the damage to the environment are greatly reduced, when the flue gas passes through the U-shaped pipe, clean water in a water tank can be heated by using waste heat in the flue gas, and the waste heat in the flue gas is recycled, have energy-conserving effect, through setting up the U type pipe, it is long when having increased the interior flow of water cabinet again of flue gas, make the waste heat absorption effect to in the flue gas better, through opening the stop valve on the drain pipe, can be the clear water discharge to the heating in the water cabinet, can regard as domestic water to use, but periodically dismantle down the access door, to keeping off dirt filter plate, activated carbon plate, the condensate plate surface is clean, change activated carbon plate depending on the circumstances, can regularly beat the incomplete valve of putting on the open incomplete pipe, the waste liquid discharge of purifying the intracavity.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

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

In the figure: 1. a base plate; 2. a processing cabinet; 3. a water tank; 4. a purification chamber; 5. a liquid storage cavity; 6. a smoke pipe; 7. a suction fan; 8. a liquid outlet pipe; 9. a spray head; 10. a dust-blocking filter plate; 11. an activated carbon plate; 12. a water condensation plate; 13. a water pump; 14. a suction pipe; 15. a rotating shaft; 16. a stirring rod; 17. mounting holes; 18. a motor; 19. an exhaust fan; 20. a first gas delivery pipe; 21. a second gas delivery pipe; 22. a U-shaped pipe; 23. an exhaust pipe; 24. a water supply pipe; 25. a drain pipe; 26. a feeding pipe; 27. discharging a residual pipe; 28. an access door; 29. a glass mirror.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a flue gas recovery device in the asphalt production process comprises a bottom plate 1, a treatment cabinet 2 and a water tank 3 are fixedly installed at the top of the bottom plate 1, a purification cavity 4 and a liquid storage cavity 5 are formed in the treatment cabinet 2, a smoke tube 6 is fixedly installed at one side of the treatment cabinet 2, which is far away from the water tank 3, the smoke tube 6 is communicated with the interior of the purification cavity 4, a suction fan 7 is fixedly installed in the smoke tube 6, a liquid outlet tube 8 is arranged in the purification cavity 4, a plurality of spray heads 9 are fixedly installed at the bottom of the liquid outlet tube 8 at equal intervals, a dust-blocking filter plate 10, an activated carbon plate 11 and a water condensing plate 12 are fixedly installed in the purification cavity 4, the activated carbon plate 11 is positioned between the dust-blocking filter plate 10 and the water condensing plate 12, a water pump 13 is fixedly installed at one side of the treatment cabinet 2, which is far away from the water tank 3, one end of the liquid outlet tube 8 extends out of the treatment cabinet, one end of the water suction pipe 14 far away from the water pump 13 extends into the liquid storage cavity 5, a rotating shaft 15 is arranged in the liquid storage cavity 5, eight stirring rods 16 are arranged on the rotating shaft 15 in pairwise symmetry, a mounting hole 17 is formed in the inner wall of one side of the liquid storage cavity 5 far away from the water tank 3, a motor 18 is fixedly mounted on one side of the processing cabinet 2 far away from the water tank 3, one end of the rotating shaft 15 penetrates through the mounting hole 17 and is fixedly connected with an output shaft end of the motor 18, an exhaust fan 19 positioned above the water tank 3 is fixedly mounted on one side of the processing cabinet 2, a first air pipe 20 is fixedly mounted on the suction end of the exhaust fan 19, one end of the first air pipe 20 far away from the exhaust fan 19 is fixedly connected with one side of the processing cabinet 2, the first air pipe 20 is communicated with the purification cavity 4, a second air pipe 21 is fixedly connected with the exhaust end of the exhaust fan 19, a U-shaped pipe 22 is fixedly, one end of the second air pipe 21 far away from the exhaust fan 19 is fixedly connected with one end of the U-shaped pipe 22, and one end of the U-shaped pipe 22 far away from the first air pipe 20 is fixedly connected with an exhaust pipe 23.

One side fixed mounting that processing cabinet 2 was kept away from to water tank 3 has feed pipe 24 and drain pipe 25, equal fixed mounting has the stop valve on feed pipe 24 and the drain pipe 25, feed pipe 24 and drain pipe 25 all are linked together with water tank 3 is inside, feed pipe 24 is located the top of drain pipe 25, one side fixed mounting of processing cabinet 2 has feeding pipe 26, feeding pipe 26 is linked together with stock solution chamber 5, the end cover is installed to feeding pipe 26's top screw thread, one side fixed mounting of processing cabinet 2 has incomplete pipe 27 of putting, fixed mounting has the valve of putting incomplete on the incomplete pipe 27 of putting, it is linked together with purification chamber 4 to put incomplete pipe 27, the access hole has been seted up on one side inner wall of purification chamber 4, one side fixed mounting of processing cabinet 2 has access door 28, access door 28 and access hole looks adaptation, the round hole has been seted up on one side inner wall of water tank 3, fixed mounting has glass mirror 29 in the round hole, be equipped with the bearing in the pivot 15.

When the device is used, the treatment cabinet 2 is provided with the control switch and the power line, the suction fan 7, the water pump 13, the motor 18, the exhaust fan 19, the control switch and the power line are sequentially and electrically connected to form a loop, the control switch can respectively control the start and stop work of the suction fan 7, the water pump 13, the motor 18 and the exhaust fan 19, the water supply pipe 24 is connected with an external clean water pipe, a stop valve on the water supply pipe 24 is opened, clean water can be added into the water cabinet 3, the water level in the water cabinet 3 can be observed through the glass mirror 29, the water can be supplemented in time, the access door 28 is fixedly arranged on the treatment cabinet 2 through a plurality of screws and can be disassembled, the access door 28 blocks the access hole in a sealing way, the activated carbon plate 11 is fixedly arranged in the purification cavity 4 through the screws and can be disassembled, the end cover on the feeding pipe 26 is unscrewed, a proper amount of clean water and a purification medicament can be added into the, the clean water and the purifying agent can be uniformly mixed and stirred by utilizing the rotation of eight stirring rods 16 to form a purifying solution, a suction fan 7 is started to work, the smoke generated in the asphalt production process is sucked into the purifying cavity 4 through a smoke tube 6, a water pump 13 is started to work, the purifying solution in the liquid storage cavity 5 sequentially passes through a water suction tube 14, the water pump 13 and a liquid outlet tube 8 and is finally atomized and sprayed out from a plurality of spray heads 9, the atomized and sprayed purifying solution collides with dust particles in the smoke entering the purifying cavity 4 and is condensed into water drops to fall onto the inner wall of the bottom of the purifying cavity 4, the purifying solution and acidic harmful gas in the smoke are subjected to neutralization reaction, so that the smoke can be preliminarily purified, an exhaust fan 19 is started to work, the preliminarily purified smoke sequentially penetrates through a dust blocking filter plate 10, an active carbon plate 11 and a water condensing plate 12 to be sucked into a first gas conveying pipe 20, and the dust blocking filter plate 10 is utilized to block the dust particles in the smoke, the dust particles are prevented from entering the first gas pipe 20, the activated carbon plate 11 is used for adsorbing and purifying fine particles, peculiar smell and the like in the preliminarily purified flue gas again, the water condensation plate 12 is used for blocking water vapor carried in the flue gas, the water vapor is prevented from being sucked into the first gas pipe 20, the purified flue gas passes through the second gas pipe 21 and the U-shaped pipe 22 in sequence and is discharged to the outside from the exhaust pipe 23 finally under the conveying action of the exhaust fan 19, so that the pollution and the damage to the environment are greatly reduced, when the flue gas passes through the U-shaped pipe 22, the waste heat in the flue gas is transmitted to the clean water in the water tank 3 through the U-shaped pipe 22, the clean water in the water tank 3 can be heated by the waste heat in the flue gas, the waste heat in the flue gas is recycled, the energy-saving effect is achieved, the flowing time of the flue gas in the water tank 3 is prolonged by arranging the U-shaped pipe 22, and the waste heat absorption effect in the flue gas, through opening the stop valve on the drain pipe 25, can be the clear water discharge to the heating in the water tank 3, can regard as domestic water to use, after flue gas recovery purification treatment, stop suction fan 7 water pump 13 and exhaust fan 19 work can, can dismantle access door 28 down regularly, clean dust blocking filter plate 10, activated carbon plate 11, congeal water plate 12 surface, change activated carbon plate 11 depending on the circumstances, can beat the residual valve of putting on the open residual pipe 27 regularly, discharge the waste liquid in the purification chamber 4, the content that does not make detailed description in this specification all belongs to the prior art that the professional technical personnel in this field know simultaneously.

In conclusion, the flue gas recovery device in the asphalt production process can add a proper amount of clean water and purifying chemicals into the liquid storage cavity 5 by unscrewing the end cover on the feeding pipe 26, the motor 18 is started, the motor 18 drives the rotating shaft 15 and the eight stirring rods 16 to rotate, the clean water and the purifying chemicals can be uniformly mixed and stirred by utilizing the rotation of the eight stirring rods 16 to form a purifying solution, the flue gas generated in the asphalt production process is sucked into the purifying cavity 4 through the smoke pipe 6 by starting the suction fan 7, the purifying solution in the liquid storage cavity 5 is atomized and sprayed out from the plurality of nozzles 9 by starting the water pump 13, the atomized and sprayed purifying solution collides with dust particles in the flue gas entering the purifying cavity 4 and is condensed into water drops to fall onto the inner wall of the bottom of the purifying cavity 4, the purifying solution and acidic harmful gas in the flue gas are subjected to neutralization reaction, and the flue gas can be primarily purified, by starting the exhaust fan 19, the flue gas after preliminary purification sequentially penetrates through the dust-blocking filter plate 10, the activated carbon plate 11 and the water condensing plate 12 to be sucked into the first gas pipe 20, the dust-blocking filter plate 10 is used for blocking dust particles in the flue gas to prevent the dust particles from entering the first gas pipe 20, the activated carbon plate 11 is used for adsorbing and purifying fine particles, peculiar smell and the like in the flue gas after preliminary purification again, the water condensing plate 12 is used for blocking water vapor carried in the flue gas to prevent the water vapor from being sucked into the first gas pipe 20, the purified flue gas sequentially passes through the second gas pipe 21 and the U-shaped pipe 22 and is finally discharged from the exhaust pipe 23 to the outside, the pollution and the damage to the environment are greatly reduced, when the flue gas passes through the U-shaped pipe 22, clear water in the water tank 3 can be heated by using waste heat in the flue gas, the waste heat in the flue gas is recycled, and the energy-saving effect is achieved, by arranging the U-shaped pipe 22, the flowing time of the flue gas in the water re-filling cabinet 3 is prolonged, so that the waste heat absorption effect of the flue gas is better, and by opening the stop valve on the drain pipe 25, the water tank 3 can be heated and the clean water is discharged, can be used as domestic water, the access door 28 can be periodically detached, the surfaces of the dust-blocking filter plate 10, the activated carbon plate 11 and the water condensation plate 12 are cleaned, the activated carbon plate 11 is replaced according to the situation, the residue discharge valve on the residue pipe 27 can be opened periodically to discharge the waste liquid in the purifying cavity 4, the utility model has reasonable design and good practicability, has good effect of purifying the flue gas generated in the asphalt production process, high purification efficiency and difficult environmental pollution, and the waste heat in the flue gas can be utilized to heat the clear water, the clear water can be used as domestic water, the waste heat in the flue gas is recycled, and the energy-saving effect is achieved.

Claims

1. Pitch production process flue gas recovery unit, including bottom plate (1), its characterized in that: the top fixed mounting of bottom plate (1) has treatment cabinet (2) and water tank (3), it purifies chamber (4) and stock solution chamber (5) to have seted up on treatment cabinet (2), one side fixed mounting that water tank (3) were kept away from in treatment cabinet (2) has tobacco pipe (6), tobacco pipe (6) are linked together with purification chamber (4) are inside, fixed mounting has suction fan (7) in tobacco pipe (6), be equipped with drain pipe (8) in purifying chamber (4), equidistant fixed mounting has a plurality of shower nozzles (9) in the bottom of drain pipe (8), fixed mounting has dust-retaining filter plate (10) that are located drain pipe (8) top in purifying chamber (4), activated carbon plate (11) and water condensing plate (12), activated carbon plate (11) are located between dust-retaining filter plate (10) and water condensing plate (12), one side fixed mounting that water tank (3) were kept away from in treatment cabinet (2) has water pump (13), the one end of drain pipe (8) extends to and handles outside 2) and with the fixed connection discharge end of water pump (13) The suction end of the water pump (13) is fixedly connected with a water suction pipe (14), one end of the water suction pipe (14) far away from the water pump (13) extends into the liquid storage cavity (5), a rotating shaft (15) is arranged in the liquid storage cavity (5), eight stirring rods (16) are arranged on the rotating shaft (15), the eight stirring rods (16) are arranged in pairwise symmetry, a mounting hole (17) is formed in the inner wall of one side of the liquid storage cavity (5) far away from the water tank (3), a motor (18) is fixedly installed on one side of the treatment cabinet (2) far away from the water tank (3), one end of the rotating shaft (15) penetrates through the mounting hole (17) and is fixedly connected with the output shaft end of the motor (18), an exhaust fan (19) positioned above the water tank (3) is fixedly installed on one side of the treatment cabinet (2), a first air conveying pipe (20) is fixedly installed on the suction end of the exhaust fan (19), one end of the first air conveying pipe (20) far away, first gas-supply pipe (20) are linked together with purification chamber (4), the exhaust end fixedly connected with second gas-supply pipe (21) of exhaust fan (19), fixed mounting has U type pipe (22) in water tank (3), the both ends of U type pipe (22) all extend to outside water tank (3), the one end fixed connection of exhaust fan (19) and U type pipe (22) is kept away from in second gas-supply pipe (21), the one end fixedly connected with blast pipe (23) of first gas-supply pipe (20) are kept away from in U type pipe (22).

2. The asphalt production process flue gas recovery device according to claim 1, characterized in that: one side fixed mounting that processing cabinet (2) was kept away from in water cabinet (3) has feed pipe (24) and drain pipe (25), and equal fixed mounting has the stop valve on feed pipe (24) and drain pipe (25), and feed pipe (24) and drain pipe (25) all are linked together with water cabinet (3) inside, and feed pipe (24) are located the top of drain pipe (25).

3. The asphalt production process flue gas recovery device according to claim 1, characterized in that: a feeding pipe (26) is fixedly installed on one side of the processing cabinet (2), the feeding pipe (26) is communicated with the liquid storage cavity (5), and an end cover is installed on the top end of the feeding pipe (26) in a threaded mode.

4. The asphalt production process flue gas recovery device according to claim 1, characterized in that: one side of the treatment cabinet (2) is fixedly provided with a residue discharge pipe (27), a residue discharge valve is fixedly arranged on the residue discharge pipe (27), and the residue discharge pipe (27) is communicated with the purification cavity (4).

5. The asphalt production process flue gas recovery device according to claim 1, characterized in that: an access hole is formed in the inner wall of one side of the purification cavity (4), an access door (28) is fixedly mounted on one side of the treatment cabinet (2), and the access door (28) is matched with the access hole.

6. The asphalt production process flue gas recovery device according to claim 1, characterized in that: a round hole is formed in the inner wall of one side of the water tank (3), and a glass mirror (29) is fixedly mounted in the round hole.

7. The asphalt production process flue gas recovery device according to claim 1, characterized in that: the rotating shaft (15) is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the mounting hole (17).