CN214233412U - Asphalt flue gas purification treatment device - Google Patents

Abstract

The utility model belongs to the flue gas treatment device field especially relates to an asphalt gas cleaning processing apparatus, include along flue gas trend pretreatment device body, spray column, drying cabinet and the adsorption tower that sets gradually, its characterized in that keeps away from spray column one side be provided with the adsorption tower, spray column and adsorption tower between be provided with the drying cabinet, be close to spray column one side be provided with the pretreatment device body, the drying cabinet in be provided with the drier. The utility model discloses increase the preliminary treatment equipment body before the flue gas gets into the spray column, carry out cooling treatment to the pitch flue gas, improve follow-up entrapment effect to tar in the pitch flue gas, get rid of the impurity in the waste gas simultaneously, reduce its attaches the wall phenomenon at the pipeline, and avoid impurity to cause the damage to spray column inside, through set up the drying cabinet behind the spray column, can dry the flue gas, prevent that the aqueous vapor from reducing the ability of other materials of active carbon adsorption, promote the result of use of active carbon.

Description

Asphalt flue gas purification treatment device

Technical Field

The utility model belongs to flue gas treatment facility field especially relates to a pitch gas cleaning processing apparatus.

Background

The asphalt smoke is aerosol and steam generated by heating asphalt and combusting asphalt-containing substances, the asphalt smoke contains various particles and has strong pungent smell, the asphalt smoke becomes one of air pollutants when being discharged into the atmosphere, the components of the asphalt smoke are very complex and vary with different asphalt sources, and the asphalt smoke contains solid and liquid particles formed by condensing asphalt volatile components and organic matters in a steam state.

The asphalt flue gas treatment system in the prior art comprises a spray tower, an adsorption tower communicated with the spray tower and an exhaust chimney communicated with the adsorption tower, when the asphalt flue gas treatment system is used, the asphalt flue gas firstly passes through the shower of the spray tower to remove some particles in the asphalt flue gas, then the asphalt flue gas passes through active carbon in the adsorption tower to adsorb the particles in the asphalt flue gas again, and the treated asphalt flue gas is directly discharged from the exhaust chimney.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to foretell waste gas impurity causes equipment damage easily and reduces the adsorption effect's of active carbon technical problem exists with waste gas moisture, provide a reasonable in design, simple structure, processing convenience and can filter waste gas impurity and dry waste gas promotion active carbon adsorption effect's pitch gas cleaning processing apparatus.

In order to achieve the purpose, the technical scheme adopted by the utility model is an asphalt flue gas purification treatment device, which comprises a pretreatment equipment body, a spray tower, a drying box and an adsorption tower which are sequentially arranged along the flue gas trend, wherein one side far away from the spray tower is provided with the adsorption tower, the drying box is arranged between the spray tower and the adsorption tower, one side near the spray tower is provided with the pretreatment equipment body, the pretreatment equipment body comprises a filtering area and a condensing area which are arranged up and down, a filtering screen plate is arranged in the filtering area, an air inlet is arranged outside the pretreatment equipment body, the air inlet is arranged at the lower end of the pretreatment equipment body, a condensing pipe is arranged in the condensing area, the air inlet is connected with the condensing pipe, the upper end of the condensing pipe is provided with an air guide port, the air guide port is arranged in the middle of the filtering area and the cooling condensing area, the spray tower and the drying cabinet between be provided with the draught fan, the draught fan setting be being close to drying cabinet department, the drying cabinet in be provided with the drier, the adsorption tower outside be provided with the gas vent, the gas vent setting be being close to adsorption tower upper end department.

Preferably, the spray tower comprises a stainless steel wire mesh, a circular pipe, a spray device and a filter plate which are arranged up and down, the stainless steel wire net is obliquely arranged at the upper end of the spray tower, a round pipe is arranged below the spray tower, the lower end of the circular pipe is provided with a spray head which is annularly arrayed at the lower end of the circular pipe, spray devices are also arranged below the circular pipe, the three spray devices are linearly arrayed at the geometric center of the spray tower, the filter plate is arranged at the lower end of the spraying device, the lower end of the spraying tower is provided with a liquid outlet, the lower end of the liquid outlet is provided with a liquid storage tank, one side of the liquid storage tank is provided with a circulating water pump which connects the liquid storage tank, the spraying device and the circular pipe together, and maintenance doors are arranged outside the spray tower, and the four maintenance doors, the circular pipe and the spray device are positioned on the same horizontal line.

Preferably, a feeding port is arranged above the adsorption tower, a discharge port is arranged below the adsorption tower, and the spray heads are annularly arrayed at the lower end of the circular pipe.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. increase the pre-treatment device body before the flue gas gets into the spray column, cool off the pitch flue gas and handle, improve follow-up entrapment effect to tar in the pitch flue gas, can get rid of impurity etc. in the waste gas simultaneously, reduce its attaches the wall phenomenon at the pipeline, and avoid impurity to cause the damage inside the spray column.

2. Through set up the drying cabinet behind the spray column, can dry the pitch flue gas via the spray column, prevent that the aqueous vapor from reducing the ability of other materials of active carbon adsorption, promote the result of use of active carbon.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural diagram of an asphalt flue gas purification treatment device;

FIG. 2 is a schematic diagram of the structure of the condensation zone;

FIG. 3 is a schematic structural view of a circular tube;

in the above figures, 1, an air inlet; 2. a condensation zone; 21. a condenser tube; 22. an air guide port; 3. a filtration zone; 31. a filter screen plate; 4. a spraying device; 5. a spray tower; 6. a circular tube; 61. a spray head; 7. a stainless steel wire mesh; 8. repairing the door; 9. a pipeline; 10. a liquid storage tank; 11. a liquid outlet; 12. filtering the plate; 13. a water circulating pump; 14. an induced draft fan; 15. a drying oven; 16. an adsorption tower; 161. a feeding port; 162. a discharge port; 17. and (7) an exhaust port.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

In the embodiment, as shown in fig. 1, fig. 2, and fig. 3, an asphalt flue gas purification processing apparatus includes a pretreatment apparatus body, a spray tower 5, a drying box 15, and an adsorption tower 16, which are sequentially arranged along a flue gas direction, the pretreatment apparatus body, the spray tower 5, the drying box 15, and the adsorption tower 16 are connected together by a pipeline 9, the pipeline 9 effectively prevents leakage of asphalt flue gas, the spray tower 5 performs operations such as sulfur removal and dust removal on asphalt waste gas to process the flue gas, the adsorption tower 16 is arranged on a side away from the spray tower 5, the adsorption tower 16 adsorbs harmful substances remaining in the asphalt flue gas to achieve a dischargeable standard, the drying box 15 is arranged between the spray tower 5 and the adsorption tower 16, and the drying box 15 can absorb moisture in the flue gas to prevent the moisture from affecting an adsorption effect of activated carbon, a pretreatment equipment body is arranged near one side of a spray tower 5, the pretreatment equipment carries out primary treatment on the flue gas entering the device, the pretreatment equipment body comprises a filtering area 3 and a condensing area 2 which are arranged up and down, a filtering screen plate 31 is arranged in the filtering area 3, the filtering screen plate 31 filters impurities in the asphalt flue gas, an air inlet 1 is arranged outside the pretreatment equipment body, the air inlet 1 is arranged at the lower end of the pretreatment equipment body, the air inlet 1 is an inlet of the asphalt flue gas entering equipment and is convenient for carrying out evolution treatment on the flue gas, a condensing pipe 21 is arranged in the condensing area 2, the air inlet 1 is connected with the condensing pipe 21, the condensing pipe 21 carries out cooling treatment on the asphalt flue gas, an air guide port 22 is arranged at the upper end of the condensing pipe 21, the air guide port 22 is arranged between the filtering area 3 and the condensation area, the air guide port 22 guides the flue gas in the condensing area 2 into the filtering area 3, and an induced draft fan 14 is arranged between the spray tower 5 and a drying box 15, draught fan 14 sets up and is being close to drying cabinet 15 department, draught fan 14 provides power, lead the flue gas in the spray column 5 in the drying cabinet 15, be provided with the drier in the drying cabinet 15, be used for absorbing the steam in the flue gas via spray column 5, 16 outsides of adsorption tower are provided with gas vent 17, gas vent 17 sets up and is being close to 16 upper ends of adsorption tower, gas vent 17 is convenient for discharge standard's pitch flue gas to the atmosphere in will reaching, increase condensation zone 2 and filtering area 3 before pitch flue gas gets into spray column 5, condensation zone 2 carries out cooling process to the pitch flue gas, improve follow-up entrapment effect to tar in the pitch flue gas, filtering area 3 can get rid of the impurity etc. in the waste gas, reduce its attaches the wall phenomenon at pipeline 9, avoid impurity to cause the damage to spray column 5 inside simultaneously.

In order to carry out sulfur removal and dust removal on asphalt flue gas, a spray tower 5 comprises a stainless steel wire mesh 7, a circular pipe 6, a spray device 4 and a filter plate 12 which are arranged up and down, the stainless steel wire mesh 7 is obliquely arranged at the upper end of the spray tower 5, the treated flue gas is condensed, the oblique placement is beneficial to flowing a fluid mixture into the spray tower, the circular pipe 6 is arranged below the spray tower 5, the lower end of the circular pipe 6 is provided with a spray head 61, the spray head 61 is annularly arrayed at the lower end of the circular pipe 6, the spray head 61 is convenient to clean oil drops thrown and attached to the tower wall, the spray device 4 is also arranged below the circular pipe 6, three spray devices 4 are linearly arrayed at the geometric center of the spray tower 5, the spray device 4 is used as main equipment for sulfur removal and dust removal, the contact area and the contact time of the flue gas and spray liquid are increased, the working process of the device is improved, the filter plate 12 is arranged at the lower end of the spray device 4, the filter plate 12 filters the flue gas dust and the like which are treated, the lower end of the spray tower 5 is provided with a liquid outlet 11, the liquid outlet 11 is an inlet for the spray liquid to flow into the liquid storage tank 10, the lower end of the liquid outlet 11 is provided with the liquid storage tank 10, the liquid storage tank 10 provides a working space for the circulation of the spray liquid, one side of the liquid storage tank 10 is provided with a circulating water pump 13, the liquid storage tank 10 is connected with the spray device 4 and the circular pipe 6 by the circulating water pump 13, the circulating water pump 13 plays a vital role, on one hand, the spray liquid in the liquid storage tank 10 is conveyed to the circular pipe 6, on the other hand, the spray liquid is conveyed to each spray device 4, so that the device can smoothly run, the outside of the spray tower 5 is provided with the maintenance door 8, the four maintenance doors 8, the circular pipe 6 and the spray device 4 are positioned on the same horizontal line, and the maintenance door 8 is convenient for maintenance workers to clean and maintain the spray tower 5.

In order to facilitate the placement and replacement of the materials in the adsorption tower 16, a feeding port 161 is arranged above the adsorption tower 16 and serves as an inlet for putting the activated carbon, the activated carbon is sealed by a cover plate after being put in, a discharge port 162 is arranged below the adsorption tower 16, and when the activated carbon is inactivated and needs to be replaced, a valve at the discharge port 162 is opened to allow the activated carbon to flow out of the adsorption tower 16.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (3)

1. An asphalt flue gas purification treatment device comprises a pretreatment equipment body, a spray tower, a drying box and an adsorption tower which are sequentially arranged along the flue gas trend, and is characterized in that one side of the spray tower is provided with the adsorption tower, the drying box is arranged between the spray tower and the adsorption tower, one side of the spray tower which is close to is provided with the pretreatment equipment body, the pretreatment equipment body comprises a filtering area and a condensing area which are arranged from top to bottom, a filtering screen plate is arranged in the filtering area, an air inlet is arranged outside the pretreatment equipment body, the air inlet is arranged at the lower end of the pretreatment equipment body, a condensing pipe is arranged in the condensing area, the air inlet is connected with the condensing pipe, the upper end of the condensing pipe is provided with an air guide port which is arranged in the middle of the filtering area and a cool condensing area, and an induced draft fan is arranged between the spray tower and the drying box, the draught fan set up and be being close to drying cabinet department, the drying cabinet in be provided with the drier, the adsorption tower outside be provided with the gas vent, the gas vent setting be being close to adsorption tower upper end department.

2. The asphalt flue gas purification treatment device according to claim 1, wherein the spray tower comprises a stainless steel wire mesh, a circular pipe, spray devices and a filter plate which are arranged from top to bottom, the stainless steel wire mesh is obliquely arranged at the upper end of the spray tower, the circular pipe is arranged below the spray tower, the lower end of the circular pipe is provided with a spray head, the spray head is annularly arrayed at the lower end of the circular pipe, the spray devices are further arranged below the circular pipe, the three spray devices are arranged at the geometric center of the spray tower in a linear array manner, the filter plate is arranged at the lower end of the spray devices, the lower end of the spray tower is provided with a liquid outlet, the lower end of the liquid outlet is provided with a liquid storage tank, one side of the liquid storage tank is provided with a circulating water pump, the circulating water pump connects the liquid storage tank with the spray devices and the circular pipe, and the outside of the spray tower is provided with a maintenance door, the four maintenance doors, the circular pipe and the spraying device are positioned on the same horizontal line.

3. The asphalt flue gas purification treatment device according to claim 2, wherein a feeding port is arranged above the adsorption tower, and a discharge port is arranged below the adsorption tower.

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