Asphalt flue gas treatment device

Abstract

The utility model discloses an asphalt flue gas treatment device, and relates to the technical field of flue gas treatment.The asphalt flue gas treatment device is characterized in that firstly, asphalt flue gas is input through a gas inlet pipe, and meanwhile, a liquid inlet pipe is matched to drive a disc-shaped spraying head and an annular spraying head to spray the asphalt flue gas entering a tower body; the contact area of asphalt flue gas and water can be conveniently enlarged, disc-shaped spraying heads and annular spraying heads are distributed in a staggered mode, the internal space of the tower body is separated, the passing time of the asphalt flue gas in the tower body can be conveniently prolonged, the spraying and purifying effect can be optimized, a filter box is arranged on an exhaust pipe, secondary purification and gas exhaust are facilitated, and the service life of the asphalt flue gas is prolonged. The working efficiency of the asphalt flue gas treatment device is further optimized by utilizing the characteristic of adsorbing harmful gas of an activated carbon material, the connecting plate is detachably connected with the filter box, and the mounting frame is slidably connected with the filter box, so that the adsorption filter element is conveniently and regularly replaced, and the adsorption performance of the filter box on the harmful gas is favorably maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas treatment, in particular to an asphalt flue gas treatment device. Background Art

[0002] Asphalt fume is the aerosol and vapor produced by the heating of asphalt and the combustion of asphalt-containing substances. Asphalt fume is generally mixed with a certain concentration of smoke, is brown or black in color, has a strong irritating effect, and contains compounds with more than 6 carbon atoms, which are carcinogenic to the skin and respiratory system. Studies have confirmed that 3-4 benzopyrene extracted from asphalt is a strong carcinogen.

[0003] For example, publication number CN216604730U, the utility model relates to the field of flue gas treatment technology, specifically, an asphalt flue gas treatment device. It includes a spray tower, a drying tower, a plasma dust removal tower and an activated carbon adsorption tower connected in sequence through pipelines along the gas flow direction. The spray tower includes a shell, a diversion component and a spray component. The diversion component and the spray component are both arranged inside the shell. The spray component is arranged on the upper side of the diversion component. The diversion component includes a horizontally arranged baffle and a vertically arranged diversion plate. The diversion plate is vertically arranged on the upper side of the baffle. A diversion component is arranged in the spray tower to divert the flue gas, so that the flue gas is ejected upward from the air intake interval. The ejected flue gas is in a sheet shape and can fully contact with the water ejected from the spray component, thereby improving the treatment efficiency of the flue gas. In addition, the air intake interval angle in the multi-component diversion component is arranged vertically, which can change the rising direction of the flue gas and further improve the contact efficiency between the flue gas and water.

[0004] Existing asphalt flue gas treatment devices usually use a spraying method to treat waste gas, but this method has limited purification effect and is prone to incomplete waste gas purification. It has certain limitations and is not conducive to improving the working efficiency of the asphalt flue gas treatment device. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides an asphalt flue gas treatment device to solve the problem proposed in the above background technology that the existing asphalt flue gas treatment devices usually use a spraying method to treat waste gas, but this method has limited purification effect, and is prone to incomplete waste gas purification. It has certain limitations and is not conducive to improving the working efficiency of the asphalt flue gas treatment device.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: an asphalt fume treatment device, comprising a tower body, a liquid inlet pipe is fixedly connected to the upper side of the tower body surface, the right end of the liquid inlet pipe extends to the inside of the tower body and is fixedly connected to a connecting pipe, a disc-shaped spray head is arranged inside the tower body, an annular spray head is fixedly installed on the side of the disc-shaped spray head inside the tower body, a ventilation groove is arranged between the disc-shaped spray head and the tower body, a ventilation port is arranged on the inner side of the annular spray head, a liquid outlet pipe is fixedly connected to the lower end of the tower body, an air inlet pipe is fixedly connected to the lower side of the tower body surface, an exhaust pipe is fixedly connected to the upper end of the tower body, a filter box is arranged on the exhaust pipe, a connecting plate is arranged at the right end of the filter box, a mounting frame is fixedly installed at the left end of the connecting plate, a filter screen is fixedly installed at the upper and lower ends of the inner side of the mounting frame, and an adsorption filter element is fixedly installed between the two filter screens.

[0007] Preferably, a connecting frame is fixedly connected to the surface of the tower body, and a supporting foot is fixedly installed at the lower end of the connecting frame.

[0008] Preferably, the sides of the disc-shaped spray heads are fixedly connected to the tower body via connecting pieces, and the disc-shaped spray heads and the annular spray heads are distributed in a staggered manner.

[0009] Preferably, the disc-shaped spray head and the connecting pipe are connected to each other, and the annular spray head and the connecting pipe are connected to each other.

[0010] Preferably, a sealing strip is fixedly installed on the side of the front end of the filter box, and the interior of the adsorption filter element is filled with activated carbon material.

[0011] Preferably, the connecting plate is detachably connected to the filter box, and the mounting frame is slidably connected to the filter box. Beneficial Effects

[0012] The utility model provides an asphalt fume treatment device. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The asphalt flue gas treatment device first inputs asphalt flue gas through the air inlet pipe, and at the same time cooperates with the liquid inlet pipe to drive the disc-shaped spray head and the annular spray head to spray the asphalt flue gas entering the tower body, so as to expand the contact area between the asphalt flue gas and water. The disc-shaped spray head and the annular spray head are distributed in a staggered manner to form a partition of the internal space of the tower body, which is convenient for extending the time when the asphalt flue gas passes through the inside of the tower body, and is conducive to optimizing the spray purification effect of the asphalt flue gas treatment device.

[0014] 2. The asphalt flue gas treatment device is provided with a filter box on the exhaust pipe to facilitate secondary purification of the exhaust gas. The activated carbon material has the property of absorbing harmful gases to further optimize the working efficiency of the asphalt flue gas treatment device. The filter box is detachably connected to the connecting plate, and the mounting frame is slidably connected to the filter box, which is convenient for regular replacement of the adsorption filter element and is beneficial to maintaining the filter box's adsorption performance for harmful gases. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a schematic diagram of the tower structure of the utility model.

[0017] Figure 3 This is a schematic diagram of the filter box structure of the utility model.

[0018] In the figure: 1. tower body; 2. liquid inlet pipe; 3. connecting pipe; 4. disc-shaped spray head; 5. annular spray head; 6. ventilation groove; 7. vent; 8. liquid outlet pipe; 9. air inlet pipe; 10. exhaust pipe; 11. filter box; 12. connecting plate; 13. mounting frame; 14. filter screen; 15. adsorption filter element; 16. connecting frame; 17. supporting foot; 18. sealing strip. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3The utility model provides a technical solution: an asphalt fume treatment device, including a tower body 1, a liquid inlet pipe 2 is fixedly connected to the upper side of the surface of the tower body 1, the right end of the liquid inlet pipe 2 extends to the inside of the tower body 1 and is fixedly connected to a connecting pipe 3, a disc-shaped spray head 4 is arranged inside the tower body 1, an annular spray head 5 is fixedly installed on the side of the disc-shaped spray head 4 inside the tower body 1, a ventilation groove 6 is arranged between the disc-shaped spray head 4 and the tower body 1, a ventilation port 7 is arranged on the inner side of the annular spray head 5, a liquid outlet pipe 8 is fixedly connected to the lower end of the tower body 1, a connecting frame 16 is fixedly connected to the surface of the tower body 1, a supporting foot 17 is fixedly installed at the lower end of the connecting frame 16, and the disc-shaped spray head 4 is fixedly provided with a connecting frame 16. The side is fixedly connected to the tower body 1 through a connecting piece, the disc-shaped spray head 4 and the annular spray head 5 are staggered, the disc-shaped spray head 4 and the connecting pipe 3 are connected to each other, and the annular spray head 5 and the connecting pipe 3 are connected to each other. First, the asphalt fume is input through the air inlet pipe 9, and at the same time, the disc-shaped spray head 4 and the annular spray head 5 are driven by the liquid inlet pipe 2 to spray the asphalt fume entering the tower body 1, so as to expand the contact area between the asphalt fume and water. The disc-shaped spray head 4 and the annular spray head 5 are staggered to form a partition of the internal space of the tower body 1, so as to prolong the time that the asphalt fume passes through the inside of the tower body 1, which is conducive to optimizing the spray purification effect of the asphalt fume treatment device;

[0021] An air inlet pipe 9 is fixedly connected to the lower side of the tower body 1 surface, an exhaust pipe 10 is fixedly connected to the upper end of the tower body 1, a filter box 11 is arranged on the exhaust pipe 10, a connecting plate 12 is arranged at the right end of the filter box 11, the connecting plate 12 is detachably connected to the filter box 11, a mounting frame 13 is slidably connected to the filter box 11, the filter box 11 is detachably connected to the connecting plate 12, and the mounting frame 13 is slidably connected to the filter box 11, which is convenient for regular replacement of the adsorption filter element 15, and is conducive to maintaining the adsorption performance of the filter box 11 for harmful gases;

[0022] A mounting frame 13 is fixedly installed on the left end of the connecting plate 12, and filter screens 14 are fixedly installed on the upper and lower ends of the inner side of the mounting frame 13. An adsorption filter element 15 is fixedly installed between the two filter screens 14. A sealing strip 18 is fixedly installed on the side of the front end of the filter box 11. The interior of the adsorption filter element 15 is filled with activated carbon material. By arranging the filter box 11 on the exhaust pipe 10, secondary purification of the exhaust gas is facilitated. The activated carbon material has the property of adsorbing harmful gases, and the working efficiency of the asphalt flue gas treatment device is further optimized.

[0023] During operation, asphalt fume is first input through the air inlet pipe 9, and at the same time, the disc-shaped spray head 4 and the annular spray head 5 are driven by the liquid inlet pipe 2 to spray the asphalt fume entering the tower body 1, so as to expand the contact area between the asphalt fume and water. The disc-shaped spray head 4 and the annular spray head 5 are staggered to form a partition of the internal space of the tower body 1, so as to extend the time when the asphalt fume passes through the tower body 1. By arranging a filter box 11 on the exhaust pipe 10, it is convenient to purify the exhaust gas for a second time. The activated carbon material has the characteristic of absorbing harmful gases. It is detachably connected to the filter box 11 through the connecting plate 12, and the mounting frame 13 is slidably connected to the filter box 11, so as to facilitate regular replacement of the adsorption filter element 15.

[0024] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. An asphalt flue gas treatment device, comprising a tower body (1), characterized in that: A liquid inlet pipe (2) is fixedly connected to the upper side of the surface of the tower body (1); the right end of the liquid inlet pipe (2) extends to the inside of the tower body (1) and is fixedly connected to a connecting pipe (3); a disc-shaped spray head (4) is arranged inside the tower body (1); an annular spray head (5) is fixedly installed inside the tower body (1) at the side of the disc-shaped spray head (4); a ventilation groove (6) is arranged between the disc-shaped spray head (4) and the tower body (1); a ventilation port (7) is arranged on the inner side of the annular spray head (5); and a lower end of the tower body (1) is fixedly provided with a plurality of air outlets (6). A liquid outlet pipe (8) is connected, an air inlet pipe (9) is fixedly connected to the lower side of the surface of the tower body (1), an exhaust pipe (10) is fixedly connected to the upper end of the tower body (1), a filter box (11) is provided on the exhaust pipe (10), a connecting plate (12) is provided at the right end of the filter box (11), a mounting frame (13) is fixedly mounted on the left end of the connecting plate (12), filter screens (14) are fixedly mounted at the upper and lower ends of the inner side of the mounting frame (13), and an adsorption filter element (15) is fixedly mounted between the two filter screens (14).

2. The asphalt fume treatment device according to claim 1, characterized in that: A connecting frame (16) is fixedly connected to the surface of the tower body (1), and a supporting foot (17) is fixedly mounted on the lower end of the connecting frame (16).

3. The asphalt fume treatment device according to claim 1, characterized in that: The sides of the disc-shaped spray heads (4) are fixedly connected to the tower body (1) via connecting pieces, and the disc-shaped spray heads (4) and the annular spray heads (5) are distributed in a staggered manner.

4. The asphalt fume treatment device according to claim 3, characterized in that: The disc-shaped spray head (4) and the connecting pipe (3) are connected to each other, and the annular spray head (5) and the connecting pipe (3) are connected to each other.

5. The asphalt fume treatment device according to claim 1, characterized in that: A sealing strip (18) is fixedly mounted on the side of the front end of the filter box (11), and the interior of the adsorption filter element (15) is filled with activated carbon material.

6. The asphalt fume treatment device according to claim 5, characterized in that: The connecting plate (12) is detachably connected to the filter box (11), and the mounting frame (13) is slidably connected to the filter box (11).

Images