Asphalt flue gas treatment device for asphalt mixing station

Abstract

The utility model discloses an asphalt flue gas treatment device for an asphalt mixing station, and belongs to the technical field of asphalt flue gas treatment devices.The asphalt flue gas treatment device comprises an air inlet valve, an air inlet channel is installed on one side of the air inlet valve, a filtering bin is installed at the other end of the air inlet channel, a filtering air channel is formed in the filtering bin, and the air inlet channel communicates with the filtering air channel; and a filter layer is arranged in the filter air duct, the other end of the filter air duct communicates with a first fan pipe, and a fan is arranged in the first fan pipe. According to the device, asphalt flue gas is filtered through an efficient filter material, particulate matter and harmful substances in the asphalt flue gas are removed, the harmful substances in the asphalt flue gas are condensed and solidified through a condensation method, and the asphalt flue gas is condensed and cured. According to the system, the emission of harmful substances is further reduced, the condensed asphalt flue gas is subjected to combustion treatment through an efficient combustion technology, the harmful substances in the asphalt flue gas are thoroughly decomposed, the treated asphalt flue gas is discharged into the atmosphere, and it is ensured that the discharged flue gas meets the environmental protection standard.

Description

Technical Field

[0001] This application relates to the technical field of asphalt fume treatment devices, and particularly to an asphalt fume treatment device for an asphalt mixing plant. Background Art

[0002] An asphalt mixing plant is an important device for producing asphalt mixtures. During the production process, a large amount of asphalt fumes will be generated. These fumes contain a large number of harmful substances, such as benzo[a]pyrene, polycyclic aromatic hydrocarbons, etc., which pose hazards to human health and the environment. Therefore, how to effectively treat asphalt fumes and reduce their harm to the environment and human body is an important issue in the field of asphalt mixing plant equipment.

[0003] Existing asphalt fume treatment devices have problems such as low treatment efficiency, high energy consumption, and easy blockage. Summary of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, this application provides an asphalt fume treatment device for an asphalt mixing plant, which overcomes the deficiencies of the existing technology and aims to solve the problems of low treatment efficiency, high energy consumption, and easy blockage existing in the existing asphalt fume treatment devices in the existing technology.

[0005] To achieve the above object, this application provides the following technical solution: An asphalt fume treatment device for an asphalt mixing plant, including an air inlet door. One side of the air inlet door is provided with an air inlet duct. The other end of the air inlet duct is provided with a filtration chamber. A filtration air duct is opened inside the filtration chamber. The air inlet duct is communicated with the filtration air duct. A filtration layer is provided inside the filtration air duct. The other end of the filtration air duct is communicated with a first blower pipe. A blower is provided inside the first blower pipe. One side of the blower is provided with an intake pipe. One side of the blower is provided with a condenser. The intake pipe is located inside the condenser. A condensation pipeline is provided inside the condenser. The condensation pipeline is communicated with one end of the intake pipe. Multiple groups of refrigeration plates are provided on the outer side of the condensation pipeline. The other end of the condensation pipeline is provided with an air duct. The other end of the air duct is provided with a second blower pipe. A second blower is provided inside the second blower pipe. One side of the second blower pipe is provided with a burner. A combustion chamber and an exhaust duct are provided inside the burner. Multiple groups of burner heads are provided inside the combustion chamber. One side of the burner is communicated with the exhaust duct. The exhaust duct penetrates through one side of the burner and is communicated to the outside.

[0006] By adopting the above technical solution, by setting up a filtering layer, the asphalt fumes can be efficiently filtered. The filtered fumes are blown into the interior of the condensation pipeline by a blower pipe, and then are simultaneously cooled by multiple groups of refrigeration plates to condense the fumes. Subsequently, the condensed fumes are introduced into the interior of the combustion chamber by a second blower, and then pass through a burner to achieve the combustion of the fumes. The combusted fumes are discharged into the atmosphere through an exhaust duct. Such a setting can filter the asphalt fumes through an efficient filtering material to remove the particulate matters and harmful substances therein. By means of the condensation method, the harmful substances in the asphalt fumes are condensed and solidified, further reducing the emission of harmful substances. Through the efficient combustion technology, the condensed asphalt fumes are combusted to completely decompose the harmful substances therein. The system discharges the treated asphalt fumes into the atmosphere to ensure that the discharged fumes meet the environmental protection standards.

[0007] As a preferred technical solution of the present application, an activated carbon adsorption layer, a silica gel adsorption layer and an aerogel adsorption layer are arranged inside the filtering layer.

[0008] By adopting the above technical solution, by setting up an activated carbon adsorption layer, a silica gel adsorption layer and an aerogel adsorption layer, during use, the porous internal structure and high specific surface area of the adsorbent can be effectively utilized to achieve the effective removal of polycyclic aromatic hydrocarbons and benzo[a]pyrene, improving the removal efficiency of the device.

[0009] As a preferred technical solution of the present application, a filter net is installed inside the intake valve.

[0010] By adopting the above technical solution, by setting up a filter net, large-particle debris can be filtered to prevent it from entering the interior of the device and affecting other steps.

[0011] As a preferred technical solution of the present application, a first temperature sensor is installed inside the condensation pipeline, and a second temperature sensor is installed inside the burner.

[0012] By adopting the above technical solution, by setting up the first temperature sensor and the second temperature sensor, the staff can realize the real-time monitoring of the temperatures inside the condenser and the burner, improving the practicability of the device.

[0013] As a preferred technical solution of the present application, multiple groups of empty holes are opened below the condensation pipeline, and a collection tank is installed below the condenser.

[0014] By adopting the above technical solution, by setting up the empty holes, after the fumes are condensed, particulate substances may be generated inside. By setting up a collection tank, they can be effectively collected to avoid deposition inside the condensation pipeline.

[0015] As a preferred technical solution of the present application, an exhaust valve is installed inside the exhaust duct, and a rain cover is installed on the top of the exhaust duct.

[0016] By adopting the above technical solution, by setting the exhaust valve, the emission timing of the flue gas can be effectively controlled. By setting the rain cover, it can prevent external sundries or rainwater from entering the inside of the exhaust duct and affecting the normal emission.

[0017] Beneficial effects of the present application:

[0018] 1. By setting the filter layer, the asphalt fume can be efficiently filtered. The filtered fume is blown into the inside of the condensation pipeline by the blower pipe, and then is simultaneously cooled by multiple groups of refrigeration plates to condense the fume. Subsequently, the condensed fume is introduced into the inside of the combustion chamber by the second blower, and then passes through the burner to realize the combustion of the fume. The combusted fume is discharged into the atmosphere through the exhaust duct. Such a setting can filter the asphalt fume through the high-efficiency filter material to remove the particulate matter and harmful substances therein. Through the condensation method, the harmful substances in the asphalt fume are condensed and solidified, further reducing the emission of harmful substances. Through the high-efficiency combustion technology, the condensed asphalt fume is combusted to completely decompose the harmful substances therein. The system discharges the treated asphalt fume into the atmosphere to ensure that the discharged fume meets the environmental protection standards.

[0019] 2. By setting the activated carbon adsorption layer, the silica gel adsorption layer and the aerogel adsorption layer, during use, the porous internal structure and high specific surface area of the adsorbent can be effectively utilized to effectively remove polycyclic aromatic hydrocarbons and benzo[a]pyrene, improving the removal efficiency of the device. Description of the Drawings

[0020] Figure 1 is the overall structural schematic diagram of the present application;

[0021] Figure 2 is the sectional structural schematic diagram of the present application;

[0022] Figure 3 is the structural schematic diagram of the filter layer of the present application;

[0023] Figure 4 is the structural schematic diagram of the burner of the present application.

[0024] In the figure: 1. Intake valve; 101. Filter screen; 2. Intake duct; 3. Filter chamber; 301. Filter air duct; 302. Filter layer; 303. Activated carbon adsorption layer; 304. Silica gel adsorption layer; 305. Aerogel adsorption layer; 4. Fan pipe 1; 401. Fan; 402. Intake pipe; 5. Condenser; 501. Condensing pipe; 502. Refrigeration plate; 503. Empty hole; 504. Collection tank; 505. Temperature sensor; 506. Air duct; 6. Fan pipe 2; 601. Second fan; 7. Burner; 701. Combustion chamber; 702. Burner head; 703. Temperature sensor; 8. Exhaust duct; 801. Exhaust valve; 802. Rain cover. Specific implementation mode

[0025] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

[0026] Refer to Figures 1-3 , an asphalt fume treatment device for an asphalt mixing plant, including an intake valve 1, an intake duct 2 is installed on one side of the intake valve 1, a filter chamber 3 is installed at the other end of the intake duct 2, a filter air duct 301 is provided inside the filter chamber 3, the intake duct 2 is communicated with the filter air duct 301, a filter layer 302 is arranged inside the filter air duct 301, the other end of the filter air duct 301 is communicated with a fan pipe 1 4, a fan 401 is arranged inside the fan pipe 1 4, an intake pipe 402 is arranged on one side of the fan 401, a condenser 5 is arranged on one side of the fan 401, the intake pipe 402 is located inside the condenser 5, a condensing pipe 501 is arranged inside the condenser 5, the condensing pipe 501 is communicated with one end of the intake pipe 402, a plurality of refrigeration plates 502 are arranged on the outer side of the condensing pipe 501, the other end of the condensing pipe 501 is installed with an air duct 506, the other end of the air duct 506 is installed with a fan pipe 2 6, a second fan 601 is arranged inside the fan pipe 2 6, a burner 7 is installed on one side of the fan pipe 2 6, a combustion chamber 701 and an exhaust duct 8 are arranged inside the burner 7, a plurality of burner heads 702 are arranged inside the combustion chamber 701, one side of the burner 7 is communicated with the exhaust duct 8, and the exhaust duct 8 penetrates through one side of 9 and is communicated to the outside. A filter screen 101 is installed inside the intake valve 1.

[0027] By setting up the filter layer 302, the asphalt fumes can be efficiently filtered. The filtered fumes are blown into the interior of the condensation pipeline 501 by the blower pipe 4, and then are simultaneously cooled by multiple groups of refrigeration plates 502 to condense the fumes. Subsequently, the condensed fumes are introduced into the interior of the combustion chamber 701 by the blower 601, and then pass through the burner head 702 to achieve the combustion of the fumes. The combusted fumes are discharged into the atmosphere through the exhaust duct 8. Such a setting can filter the asphalt fumes through high-efficiency filter materials to remove the particulate matters and harmful substances therein. Through the condensation method, the harmful substances in the asphalt fumes are condensed and solidified, further reducing the emission of harmful substances. Through high-efficiency combustion technology, the condensed asphalt fumes are combusted to completely decompose the harmful substances therein. This system discharges the treated asphalt fumes into the atmosphere to ensure that the discharged fumes meet the environmental protection standards. By setting up the filter net 101, large-particle sundries can be filtered to prevent them from entering the interior of the device and affecting other steps.

[0028] Refer to Figure 1 , an activated carbon adsorption layer 303, a silica gel adsorption layer 304 and an aerogel adsorption layer 305 are arranged inside the filter layer 302; a temperature sensor 505 is installed inside the condensation pipeline 501, and a temperature sensor 703 is installed inside the burner 7; an exhaust valve 801 is installed inside the exhaust duct 8, and a rain cover 802 is installed on the top of the exhaust duct 8; by setting up the activated carbon adsorption layer 303, the silica gel adsorption layer 304 and the aerogel adsorption layer 305, during use, the porous internal structure and high specific surface area of the adsorbent can be effectively utilized to achieve the effective removal of polycyclic aromatic hydrocarbons and benzo[a]pyrene, improving the removal efficiency of the device; by setting up the temperature sensor 505 and the temperature sensor 703, the staff can realize the real-time monitoring of the internal temperatures of the condenser 5 and the burner 7, improving the practicability of the device; by setting up the exhaust valve 801, the emission timing of the fumes can be effectively controlled, and by setting up the rain cover 802, it can prevent external sundries or rainwater from entering the interior of the exhaust duct 8 and affecting the normal emission.

[0029] Refer to Figure 1 , multiple groups of empty holes 503 are opened below the condensation pipeline 501, and a collection tank 504 is installed below the condenser 5; by setting up the empty holes 503, after the fumes are condensed, particulate matters may be generated inside. By setting up the collection tank 504, they can be effectively collected to avoid deposition inside the condensation pipeline 501.

[0030] Working principle: By setting up the filtering layer 302, efficient filtration of the asphalt fumes can be achieved. The filtered fumes are blown into the interior of the condensation pipeline 501 by the blower pipe 4, and then are simultaneously cooled by multiple groups of refrigeration plates 502 to condense the fumes. Subsequently, the condensed fumes are introduced into the interior of the combustion chamber 701 by the second blower 601, and then pass through the burner head 702 to achieve the combustion of the fumes. The combusted fumes are discharged into the atmosphere through the exhaust duct 8. Such a setting can filter the asphalt fumes through high-efficiency filtering materials to remove the particulate matters and harmful substances therein. Through the condensation method, the harmful substances in the asphalt fumes are condensed and solidified to further reduce the emission of harmful substances. Through high-efficiency combustion technology, the condensed asphalt fumes are combusted to completely decompose the harmful substances therein. This system discharges the treated asphalt fumes into the atmosphere to ensure that the discharged fumes meet the environmental protection standards. By setting up the activated carbon adsorption layer 303, the silica gel adsorption layer 304 and the aerogel adsorption layer 305, during use, the porous internal structure and high specific surface area of the adsorbent can be effectively utilized to achieve effective removal of polycyclic aromatic hydrocarbons and benzo[a]pyrene, improving the removal efficiency of the device;

[0031] Among them, by setting up the filter net 101, large-particle sundries can be filtered to prevent them from entering the interior of the device and affecting other steps. By setting up the first temperature sensor 505 and the second temperature sensor 703, the staff can achieve real-time monitoring of the internal temperatures of the condenser 5 and the burner 7, improving the practicability of the device;

[0032] Meanwhile, by setting up the empty holes 503, after the fumes are condensed, particulate matters may be generated inside. By setting up the collection tank 504, they can be effectively collected to avoid deposition inside the condensation pipeline 501;

[0033] In addition, by setting up the exhaust valve 801, the emission timing of the fumes can be effectively controlled. By setting up the rain cover 802, external sundries or rainwater, etc. can be prevented from entering the interior of the exhaust duct 8 and affecting the normal emission.

[0034] The above are only the preferred embodiments of the present application and are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. An asphalt fume treatment device for an asphalt mixing plant, characterized in that, It includes an intake valve (1). An intake duct (2) is installed on one side of the intake valve (1). The other end of the intake duct (2) is installed with a filter chamber (3). A filter air duct (301) is provided inside the filter chamber (3). The intake duct (2) communicates with the filter air duct (301). A filter layer (302) is provided inside the filter air duct (301). The other end of the filter air duct (301) is connected to a first blower pipe (4). A blower (401) is provided inside the first blower pipe (4). An intake pipe (402) is provided on one side of the blower (401). A condenser (5) is provided on one side of the blower (401). The intake pipe (402) is located inside the condenser (5). A condensation pipeline (501) is provided inside the condenser (5). The condensation pipeline (501) is connected to one end of the intake pipe (402). Multiple refrigeration plates (502) are provided on the outer side of the condensation pipeline (501). The other end of the condensation pipeline (501) is installed with an air duct (506). The other end of the air duct (506) is installed with a second blower pipe (6). A second blower (601) is provided inside the second blower pipe (6). A burner (7) is installed on one side of the second blower pipe (6). A combustion chamber (701) and an exhaust duct (8) are provided inside the burner (7). Multiple burner heads (702) are provided inside the combustion chamber (701). One side of the burner (7) communicates with the exhaust duct (8). The exhaust duct (8) penetrates through one side of the burner (7) and communicates to the outside.

2. The asphalt fume treatment device for an asphalt mixing plant according to claim 1, wherein, An activated carbon adsorption layer (303), a silica gel adsorption layer (304) and an aerogel adsorption layer (305) are provided inside the filter layer (302).

3. An asphalt fume treatment device for an asphalt mixing plant according to claim 1, characterized in that, A filter screen (101) is installed inside the intake valve (1).

4. An asphalt fume treatment device for an asphalt mixing plant according to claim 1, characterized in that, A first temperature sensor (505) is installed inside the condensation pipeline (501), and a second temperature sensor (703) is installed inside the burner (7).

5. The asphalt fume treatment device for an asphalt mixing plant according to claim 1, characterized in that, Multiple empty holes (503) are provided below the condensation pipeline (501), and a collection tank (504) is installed below the condenser (5).

6. The asphalt fume treatment device for an asphalt mixing plant according to claim 1, characterized in that, An exhaust valve (801) is installed inside the exhaust duct (8), and a rain shield (802) is installed on the top of the exhaust duct (8).

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