CN219897488U - Pulse dust collector for asphalt mixing flue gas treatment - Google Patents

Abstract

The utility model relates to the technical field of asphalt processing technology, in particular to a pulse dust collector for asphalt stirring flue gas treatment. A pulse dust collector for asphalt mixing flue gas treatment comprises a box body with a dust collection cavity, an air inlet pipe arranged on one side of the box body and communicated with the dust collection cavity, an air outlet pipe arranged on the top end of the box body and communicated with the dust collection cavity, and a pulse dust collector arranged in the dust collection cavity; the pulse dust collector comprises an air injection assembly, a support rod, a slotted hole, a dust removing bag and a net cover. According to the utility model, the net cover is sleeved outside the pulse dust collector by changing the connection mode of the dust collection bag in the pulse dust collector, so that the adhesion of the smoke generated by stirring to the dust collection bag is reduced, the dust collection bag and the net cover are easy to detach, a user can conveniently replace the dust collection bag, and meanwhile, the bottom of the box body is provided with the temperature control assembly for controlling the temperature of gas in the dust collection cavity, so that the smoke is prevented from adhering to the wall of the box when the temperature of the smoke is too low.

Description

Pulse dust collector for asphalt mixing flue gas treatment

Technical Field

The utility model relates to the technical field of asphalt processing technology, in particular to a pulse dust collector for asphalt stirring flue gas treatment.

Background

The asphalt fume is a mixed fume containing a mixture of a large amount of polycyclic aromatic hydrocarbon and a small amount of sulfur nitrogen oxygen, which is discharged in the production process of asphalt and asphalt products, usually exists in the form of aerosol, and the direct discharge can cause huge pollution to the environment, such as the suction of human bodies, the cancer probability is greatly increased, so that the fume generated in the stirring process of regular asphalt production and processing factories is required to be purified.

In the prior art, a plurality of treatment modes are provided for flue gas generated in the asphalt stirring process, for example, a dust collection bag is arranged at an outlet, large-particle dust and harmful substance particles are adhered to the cloth bags in a physical mode, and gas subjected to primary adsorption passes through gaps among the cloth bags and then is subjected to subsequent more refined treatment.

Disclosure of Invention

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and the appended drawings.

The utility model aims to overcome the defects, and provides the pulse dust collector for processing the asphalt stirring flue gas, which is characterized in that a net cover is sleeved outside the pulse dust collector by changing the connection mode of the dust collection bag in the pulse dust collector, so that the adhesion of the flue gas generated by stirring to the dust collection bag is reduced, the dust collection bag and the net cover are easier to detach and are convenient for a user to replace, and meanwhile, the bottom of the box body is provided with a temperature control assembly for controlling the temperature of gas in a dust collection cavity and preventing the adhesion of the flue gas on the wall when the temperature of the flue gas is too low.

The utility model provides a pulse dust collector for asphalt mixing flue gas treatment, which comprises a box body, an air inlet pipe, an air outlet pipe and a pulse dust collector, wherein a dust collection cavity is arranged in the box body, the air inlet pipe is arranged on one side of the box body and is communicated with the dust collection cavity, the air outlet pipe is arranged at the top end of the box body and is communicated with the dust collection cavity, and the pulse dust collector is arranged in the dust collection cavity; the pulse dust collector comprises an air jet assembly, a support rod, slotted holes, dust removal bags and a net cover, wherein the air jet assembly is arranged in the dust removal cavity, the support rod is arranged below the air jet assembly, a plurality of slotted holes are formed in the support rod, the net cover is clamped on the slotted holes, and the dust removal bags are arranged in the net cover. The setting of box, intake pipe and outlet duct constitutes the basic form of this dust remover, is provided with dust collector in this dust removal intracavity, and the dust removal bag in the dust collector is used for adsorbing smoke and dust granule and harmful substance in the flue gas with the screen panel, and the cooperation of bracing piece and slotted hole is used for fixed dust removal bag and the position of screen panel, and the dust removal bag top is provided with jet equipment for when dust removal bag deposition reaches certain degree, jet compressed air makes the bag body produce the shake, thereby trembles the deposit on the bag body, reaches the effect of timely clearance.

In some embodiments, the air injection assembly comprises a compressed air pipe and a pulse valve, the compressed air pipe is transversely arranged in the dust removing cavity, a plurality of pulse valves are arranged on the compressed air pipe in an arrayed manner, and the positions of air injection ports of the pulse valves correspond to the positions of the slots. The arrangement of the compressed air pipe and the pulse valve is used for cleaning the dust bag, and it should be understood that the technical scheme of communicating the outside through the compressed air pipe and enabling the pulse valve to jet is a common technology in the existing pulse dust collector, the specific structure can refer to the existing pulse dust collector, and the pulse dust collector further comprises a pulse control instrument, an air bag, a control assembly and the like, and does not represent the necessary components for realizing the function in the jet assembly.

In some embodiments, a limiting ring is disposed on top of the mesh enclosure, the limiting ring has a diameter larger than that of the slot, and the mesh enclosure penetrates the slot and extends below the slot. The screen cover is sleeved on the periphery of the dust removal bag and is used for primarily isolating viscous substances in smoke, the screen cover is placed in the screen cover from the upper part of the slotted hole when the screen cover is installed, and the limiting ring is arranged above the screen cover and has a diameter larger than that of the slotted hole, so that the position of the screen cover can be limited, the screen cover can be taken from the upper part only, and preferably, an annular groove can be arranged at the outer edge of the slotted hole and used for fixing the position of the limiting ring.

In some embodiments, the limiting ring is provided with a fixing groove, the bag mouth of the dust removing bag is provided with an elastic fixing ring, the elastic fixing ring is clamped on the fixing groove, and the bottom of the dust removing bag is provided with a balancing weight. For fixed this dust removal bag position, offer the fixed slot on the spacing ring, this dust removal bag sack sets up the elasticity solid fixed ring, puts into the net with the dust removal bag to in pressing into the fixed slot with the elasticity solid fixed ring, can avoid producing the aversion, the balancing weight of dust removal bag bottom plays the drainage effect, probably adhere on the dust removal bag with liquid form after granule such as tar in the flue gas is heated, and the design of balancing weight can make the oil drop fall into the below smoothly.

In some embodiments, the supporting rod is transversely arranged in the dust removing cavity, sliding grooves are formed in inner walls of two sides of the dust removing cavity, protrusions are correspondingly arranged at two ends of the supporting rod, and the protrusions are in sliding connection with the sliding grooves. When the dust collector works normally, the pulse valve corresponds to the dust collection bag, but when the mesh cover and the dust collection bag are replaced, the mesh cover is required to be lifted upwards, the support rod is arranged to be movable in order to ensure the normal operation of the replacement step, the position of the support rod is changed under the condition that the position of the pulse valve is unchanged, the mesh cover can be taken out smoothly, and preferably, the sliding groove can be transversely or longitudinally arranged and corresponds to the transverse or longitudinal movement of the support rod.

In some embodiments, the bottom of the box is further provided with a drain, the drain is obliquely arranged, the outer side of the drain is provided with a temperature control assembly, and the support rod is further provided with a temperature sensor. Asphalt flue gas is easy to cause explosion because of substances in asphalt when the temperature is too high and the temperature is too low, the asphalt flue gas is likely to be adhered to the wall of a box without reaching the upper part of a dust removing cavity, and the asphalt flue gas is easy to cause explosion because of substances in asphalt when the temperature is too high, so that the exhaust process can be normally carried out only when the temperature is required to be kept within a certain interval range, a temperature control component is arranged outside the box body, a heating wire is arranged in the temperature control component and used for heating under the condition of low temperature, a temperature in a sensing cavity of a temperature sensor is arranged, and a drain port which is obliquely arranged plays a role in drainage, so that grease in the flue gas can be prevented from being condensed at the bottom when the grease in the flue gas drops below.

In some embodiments, a secondary adsorption box is further arranged between the box body and the air outlet pipe, a drawing opening is arranged on the side edge of the secondary adsorption box, a U-shaped drawing piece is arranged in the drawing opening, and a filtering opening is arranged at the bottom of the drawing piece. The filtering mouth corresponds with the position of this box gas outlet, and the gas after the dust removal of exhaust pocket in just box, this gas gets into the secondary adsorption case, and the active carbon is equipped with in the secondary adsorption case for carry out the secondary absorption, but this U type pull spare pull for change active carbon wherein, still can be provided with the extraction valve on the outlet duct for guide the flue gas in the cavity to upwards drift.

In some embodiments, the air inlet pipe is obliquely arranged on the side edge of the box body and is detachably connected with the box body, a limiting groove is formed in the side edge of the box body, a sliding block is arranged on the side, in contact with the box body, of the air inlet pipe, and the sliding block is matched with the limiting groove. The air inlet pipe is detachable, when the air inlet pipe is installed, the sliding block is aligned with the sliding groove, and is aligned with and inserted into the limit groove, so that the air inlet pipe is connected with the box body.

In some embodiments, a bolt is arranged on the air inlet pipe, a screw hole is arranged at a corresponding position on the side edge of the box body, and the bolt is matched with the screw hole. In order to ensure the tightness of the air inlet pipe, bolts and screw holes are arranged, so that the air inlet pipe is more tightly connected with the box body.

In some embodiments, the side of the box body is also provided with a turnover window, the turnover window is movably connected with the box body through a handle, and the turnover window is provided with a sealing strip. The design of the turnover window is used for facilitating the replacement of the inner mesh enclosure and the dust bag by workers, the opening and closing of the window and the door can be realized by rotating the handle, the sealing strip is arranged for guaranteeing the tightness, and the design of the turnover window and the handle is a common technology, and the specific structure of the turnover window and the handle is not described.

By adopting the technical scheme, the utility model has the beneficial effects that:

according to the utility model, the net cover is sleeved outside the pulse dust collector by changing the connection mode of the dust collection bag in the pulse dust collector, so that the adhesion of the smoke generated by stirring to the dust collection bag is reduced, the dust collection bag and the net cover are easy to detach, the movable supporting rod is required to be replaced, the net cover and the dust collection bag are taken out from the upper part, a user can conveniently replace the dust collection bag, the bottom of the dust collection bag is provided with the balancing weight, and if tar particles in the smoke adhere to the dust collection bag, the oil drops can drop to the bottom surface under the drainage of the balancing weight.

The utility model is provided with a temperature control assembly at the bottom of the box body, which is used for controlling the temperature of the gas in the dust removing cavity, so that the gas keeps active within a certain temperature range, a drawable secondary filter box is arranged above the box body, substances such as active carbon and the like are arranged in the box body, the substances such as active carbon and the like are used for purifying the gas which is primarily filtered by the mesh enclosure and the dust removing bag in the cavity again, and a turnover window is also arranged at the side edge of the box body, so that a user can conveniently replace the internal parts.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

It is apparent that these and other objects of the present utility model will become more apparent from the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings and figures.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of the preferred embodiments, as illustrated in the accompanying drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model, without limitation to the utility model.

In the drawings, like parts are designated with like reference numerals and are illustrated schematically and are not necessarily drawn to scale.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only one or several embodiments of the utility model, and that other drawings can be obtained according to such drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a pulse dust collector according to some embodiments of the present utility model;

FIG. 2 is a schematic illustration of a pulse cleaner in cross-section in some embodiments of the utility model;

FIG. 3 is a schematic illustration of an air inlet connection in some embodiments of the utility model;

fig. 4 is a schematic view of a dust bag and a mesh enclosure according to some embodiments of the utility model.

The main reference numerals illustrate:

1. a case;

11. a limit groove;

2. a dust removal cavity;

3. an air inlet pipe;

31. a slide block; 32. a bolt;

4. an air outlet pipe;

5. a pulse dust collector;

51. a jet assembly;

511. a compressed air pipe;

512. a pulse valve;

52. a support rod;

53. a slot hole;

54. a dust removal bag;

541. balancing weight;

55. a mesh enclosure;

551. a limiting ring; 552. a fixing groove;

6. a sewage outlet;

7. a temperature control assembly;

8. a temperature sensor;

9. a secondary adsorption tank;

91. a drawing member;

10. and (5) turning over the window.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the following detailed description. It should be understood that the detailed description is presented merely to illustrate the utility model, and is not intended to limit the utility model.

In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that direct connection indicates that the two bodies connected together do not form a connection relationship through a transition structure, but are connected together to form a whole through a connection structure. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1, fig. 1 is a schematic diagram of the overall structure of a pulse dust collector according to some embodiments of the present utility model.

According to some embodiments of the present utility model, the present utility model provides a pulse dust collector for asphalt mixing flue gas treatment, comprising a box 1 provided with a dust collection cavity 2 therein, an air inlet pipe 3 arranged at one side of the box 1 and communicated with the dust collection cavity 2, an air outlet pipe 4 arranged at the top end of the box 1 and communicated with the dust collection cavity 2, and a pulse dust collection device 5 arranged in the dust collection cavity 2; the pulse dust collector 5 comprises an air injection assembly 51, a support rod 52, a slot 53, a dust removal bag 54 and a mesh enclosure 55, wherein the air injection assembly 51 is arranged in the dust removal cavity 2, the support rod 52 is arranged below the air injection assembly 51, a plurality of the slot 53 are arranged on the support rod 52, the mesh enclosure 55 is clamped on the slot 53, and the dust removal bag 54 is positioned in the mesh enclosure 55. The box 1, the air inlet pipe 3 and the air outlet pipe 4 form the basic form of the dust remover, the dust removing device is arranged in the dust removing cavity 2, a dust removing bag 54 and a net cover 55 in the dust removing device are used for adsorbing dust particles and harmful substances in smoke, the supporting rod 52 and the groove hole 53 are matched for fixing the positions of the dust removing bag 54 and the net cover 55, an air injection device is arranged above the dust removing bag 54 and is used for injecting compressed air to enable the bag body to shake when the dust removing bag 54 deposits to a certain extent, so that sediment on the bag body is shaken off, and the effect of timely cleaning is achieved.

The bottom of the box body 1 is also provided with a drain outlet 6, the drain outlet 6 is obliquely arranged, the outer side of the drain outlet 6 is provided with a temperature control assembly 7, and the support rod 52 is also provided with a temperature sensor 8. Asphalt flue gas is easy to cause explosion because substances in asphalt are easy to cause explosion when the temperature is too high because the asphalt flue gas is adhered to the wall of a box without reaching the upper part of a dust removing cavity 2 due to the characteristic of high temperature, high humidity and high viscosity, a temperature control component 7 is arranged on the periphery of a box body 1, a heating wire is arranged in the temperature control component 7 and used for heating under the low temperature condition, a temperature sensor 8 is arranged for sensing the temperature in the cavity, and a drain outlet 6 which is obliquely arranged plays a role in drainage, so that grease in the flue gas can be prevented from condensing at the bottom when the grease in the flue gas drops below.

A secondary adsorption box 9 is further arranged between the box body 1 and the air outlet pipe 4, a drawing opening is formed in the side edge of the secondary adsorption box 9, a U-shaped drawing piece 91 is arranged in the drawing opening, and a filtering opening is formed in the bottom of the drawing piece 91. The position of the filtering mouth corresponds with the position of this box 1 gas outlet, and when the gas after the dust removal of dust removal bag 54 is discharged in the initial box 1, this gas gets into secondary adsorption case 9, and the active carbon is equipped with in the secondary adsorption case 9 for carry out secondary absorption, but this U type pull 91 pull for change active carbon wherein, still can be provided with the bleeder valve on the outlet duct for the flue gas in the guiding cavity upwards wafts.

The side of the box body 1 is also provided with a turnover window 10, the turnover window 10 is movably connected with the box body 1 through a handle, and the turnover window 10 is provided with a sealing strip. The design of the turnover window 10 is used for facilitating the replacement of the inner mesh enclosure and the dust-proof bag by the staff, the opening and closing of the window and door can be realized by rotating the handle, the arrangement of the sealing strip is used for guaranteeing the tightness, the design of the turnover window 10 and the handle is a common technology, and the specific structure thereof is not described here.

Referring to fig. 2, fig. 2 is a schematic cross-sectional view of a pulse dust collector in accordance with some embodiments of the present utility model.

According to some embodiments of the present utility model, optionally, the air injection assembly 51 includes a compressed air pipe 511 and a pulse valve 512, the compressed air pipe 511 is transversely disposed in the dust removing cavity 2, and a plurality of pulse valves 512 are disposed on the compressed air pipe 511 in an aligned manner, and the air injection port of the pulse valve 512 corresponds to the slot 53. The arrangement of the compressed air pipe 511 and the pulse valve 512 is used for cleaning the dust removing bag 54, and it should be understood that the technical scheme of communicating the outside through the compressed air pipe 511 and making the pulse valve 512 jet is a common technology in the existing pulse dust collector, and the specific structure can refer to the existing pulse dust collector, and further includes a pulse controller, an air bag, a control assembly and the like, which do not represent the lack of necessary components for implementing the function in the jet assembly 51.

The supporting rod 52 is transversely arranged in the dust removing cavity 2, sliding grooves are formed in the inner walls of the two sides of the dust removing cavity 2, protrusions are correspondingly arranged at the two ends of the supporting rod 52, and the protrusions are in sliding connection with the sliding grooves. When the dust collector works normally, the pulse valve 512 corresponds to the position of the dust collecting bag 54, but when the mesh enclosure 55 and the dust collecting bag 54 are replaced, the mesh enclosure needs to be lifted upwards, in order to ensure the normal operation of the replacing step, the support rod 52 is arranged to be movable, the position of the support rod 52 is changed under the condition that the position of the pulse valve 512 is unchanged, so that the mesh enclosure 55 can be smoothly taken out, preferably, the sliding groove can be transversely arranged or longitudinally arranged, and corresponds to the transverse movement or the longitudinal movement of the support rod 52.

Referring to fig. 3, fig. 3 is a schematic view illustrating connection of an intake pipe according to some embodiments of the utility model.

According to some embodiments of the present utility model, optionally, the air inlet pipe 3 is obliquely disposed at a side of the box 1 and the air inlet pipe 3 is detachably connected with the box 1, a limit groove 11 is disposed at the side of the box 1, a slider 31 is disposed at a side of the air inlet pipe 3 contacting with the box 1, and the slider 31 is matched with the limit groove 11. The air inlet pipe 3 is detachable, when the air inlet pipe 3 is installed, the sliding block 31 is aligned with the sliding groove, the sliding block 31 is aligned with and inserted into the limit groove 11, and the air inlet pipe 3 can be connected with the box body 1.

The air inlet pipe 3 is provided with a bolt 32, a screw hole is arranged at a corresponding position of the side edge of the box body 1, and the bolt 32 is matched with the screw hole. In order to ensure the tightness of the air inlet pipe 3, a bolt 32 and a screw hole are arranged, so that the air inlet pipe 3 is more tightly connected with the box body 1.

Referring to fig. 4, fig. 4 is a schematic view illustrating a dust bag and a mesh enclosure according to some embodiments of the utility model.

According to some embodiments of the present utility model, optionally, a stop ring 551 is disposed on top of the mesh enclosure 55, the diameter of the stop ring 551 is larger than that of the slot 53, and the mesh enclosure 55 extends through the slot 53 and under the slot 53. The mesh enclosure 55 is sleeved on the periphery of the dust removal bag 54 and is used for primarily isolating viscous substances in smoke, the mesh enclosure 55 is placed in the mesh enclosure 55 from the upper part of the slotted hole 53 when the mesh enclosure 55 is installed, and the limiting ring 551 is arranged above the mesh enclosure 55, so that the diameter of the limiting ring 551 is larger than that of the slotted hole 53, the position of the mesh enclosure 55 can be limited, the mesh enclosure 55 can only be taken from the upper part, and preferably, an annular groove can be arranged at the outer edge of the slotted hole 53 and used for fixing the position of the limiting ring 551.

The limiting ring 551 is provided with a fixing groove 552, the bag mouth of the dust removal bag 54 is provided with an elastic fixing ring, the elastic fixing ring is clamped on the fixing groove 552, and the bottom of the dust removal bag 54 is provided with a balancing weight 541. In order to fix the position of the dust removing bag 54, a fixing groove 552 is formed in the limiting ring 551, an elastic fixing ring is arranged at the bag opening of the dust removing bag 54, the dust removing bag 54 is placed into a net, the elastic fixing ring is pressed into the fixing groove 552, displacement can be avoided, a balancing weight 541 at the bottom of the dust removing bag 54 plays a role in drainage, particles such as tar in flue gas possibly adhere to the dust removing bag 54 in a liquid form after being heated, and oil drops can smoothly fall below due to the design of the balancing weight 541.

The working principle of the utility model is as follows: when the flue gas enters the box body 1 through the air inlet pipe 3, under the cooperation of the temperature sensor 8 and the temperature control component 7, the flue gas carries out primary adsorption on dust and impurity particles through the mesh cover 55 and the dust bag 54 when upwards flowing, then carries out secondary adsorption through the secondary adsorption box 9, finally flows out from the air outlet pipe 4, when sediment is gathered to a certain extent on the mesh cover 55 and the dust bag 54, the pulse valve 512 sprays compressed gas, the mesh cover 55 is driven to vibrate together when the dust bag 54 is vibrated, the sediment is fallen off at the moment and discharged from the drain 6, when the dust bag 54 and the mesh cover 55 need to be replaced, the turnover window 10 is opened, the position of the support rod 52 is moved, the mesh cover 55 and the dust bag 54 are taken out from the upper part, a new mesh cover 55 and the dust bag 54 are replaced, then the support rod 52 is pushed back to the original position, the turnover window 10 is closed, when the active carbon in the secondary adsorption box 9 needs to be replaced, the top of the box body 1 is lifted through an escalator, the drawing-out piece 91 is pulled out, and new active carbon is pushed into the box.

It is to be understood that the disclosed embodiments are not limited to the specific process steps or materials disclosed herein, but are intended to extend to equivalents of such features as would be understood by one of ordinary skill in the relevant arts. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.

Reference in the specification to "an embodiment" means that a particular feature, or characteristic, described in connection with the embodiment is included in at least one embodiment of the utility model. Thus, appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.

Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, numbers, etc., to provide a thorough understanding of embodiments of the utility model. One skilled in the relevant art will recognize, however, that the utility model can be practiced without one or more of the specific details, or with other methods, components, materials, etc.

Claims (10)

1. A pulse dust collector for pitch stirring flue gas treatment is characterized by including

The box body is internally provided with a dust removing cavity;

the air inlet pipe is arranged at one side of the box body and is communicated with the dust removing cavity;

the air outlet pipe is arranged at the top end of the box body and is communicated with the dust removing cavity;

the pulse dust collector is arranged in the dust collection cavity;

the pulse dust collector comprises an air jet assembly, a support rod, slotted holes, dust removal bags and a net cover, wherein the air jet assembly is arranged in the dust removal cavity, the support rod is arranged below the air jet assembly, a plurality of slotted holes are formed in the support rod, the net cover is clamped on the slotted holes, and the dust removal bags are arranged in the net cover.

2. The pulse dust collector for asphalt mixing fume treatment according to claim 1, wherein the air injection assembly comprises a compressed air pipe and pulse valves, the compressed air pipe is transversely arranged in the dust collection cavity, a plurality of pulse valves are arranged on the compressed air pipe in an aligned manner, and the positions of air injection ports of the pulse valves correspond to the positions of the slots.

3. The pulse dust collector for asphalt mixing fume treatment according to claim 1, wherein a limiting ring is arranged at the top of the net cover, the diameter of the limiting ring is larger than that of the slot hole, and the net cover penetrates through the slot hole and extends to the lower part of the slot hole.

4. The pulse dust collector for asphalt mixing flue gas treatment according to claim 3, wherein the limiting ring is provided with a fixing groove, an elastic fixing ring is arranged at the bag mouth of the dust removal bag, the elastic fixing ring is clamped on the fixing groove, and a balancing weight is arranged at the bottom of the dust removal bag.

5. The pulse dust collector for asphalt mixing flue gas treatment according to claim 3, wherein the supporting rods are transversely arranged in the dust collection cavity, sliding grooves are formed in the inner walls of the two sides of the dust collection cavity, protrusions are correspondingly arranged at the two ends of the supporting rods, and the protrusions are in sliding connection with the sliding grooves.

6. The pulse dust collector for asphalt mixing flue gas treatment according to claim 1, wherein a drain outlet is further arranged at the bottom of the tank body, the drain outlet is obliquely arranged, a temperature control assembly is arranged at the outer side of the drain outlet, and a temperature sensor is further arranged on the supporting rod.

7. The pulse dust collector for asphalt mixing flue gas treatment according to claim 1, wherein a secondary adsorption box is further arranged between the box body and the air outlet pipe, a drawing port is arranged on the side edge of the secondary adsorption box, a U-shaped drawing piece is arranged in the drawing port, and a filtering port is arranged at the bottom of the drawing piece.

8. The pulse dust collector for asphalt mixing flue gas treatment according to claim 1, wherein the air inlet pipe is obliquely arranged on the side edge of the box body and is detachably connected with the box body, a limit groove is formed on the side edge of the box body, a sliding block is arranged on the side, in contact with the box body, of the air inlet pipe, and the sliding block is matched with the limit groove.

9. The pulse dust collector for asphalt mixing fume treatment according to claim 1, wherein a bolt is arranged on the air inlet pipe, a screw hole is arranged at a corresponding position of the side edge of the box body, and the bolt is matched with the screw hole.

10. The pulse dust collector for asphalt mixing flue gas treatment according to claim 1, wherein a turnover window is further formed on the side edge of the box body, the turnover window is movably connected with the box body through a handle, and a sealing strip is arranged on the turnover window.