Tail gas environment-friendly treatment device for asphalt mixture production

Abstract

The utility model relates to the technical field of waste gas treatment, and discloses an environment-friendly tail gas treatment device for asphalt mixture production, which comprises a dust removal box, an adsorption box is fixedly connected to the side surface of the dust removal box, a filter screen plate is fixedly connected to the inner wall of the dust removal box, and a water storage box is fixedly connected to the back surface of the dust removal box. A water suction pump is fixedly installed on the upper surface of the water storage tank, the input end of the water suction pump is fixedly connected with a water suction pipe, the water suction pipe extends into the water storage tank and communicates with the interior of the water storage tank, the output end of the water suction pump is fixedly connected with a three-way pipe, and the two output ends of the three-way pipe are both fixedly connected with water outlet pipes; and the output end of the water outlet pipe extends into the dust removal box, the output end of the water outlet pipe is fixedly connected with a spray head, and the output end of the spray head corresponds to the surface of the filter screen plate. And dust removal treatment on the tail gas is achieved, so that the filter screen plate is kept clean, and use by workers is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to an environmentally friendly tail gas treatment device used in asphalt mixture production. Background Art

[0002] Asphalt mixture is a composite material, mainly composed of asphalt, coarse aggregate, fine aggregate, mineral powder, and some also have polymers and wood cellulose added. These materials of different quality and quantity are mixed to form different structures and have different mechanical properties. In the production process of various asphalt materials, the asphalt needs to be heated, transported and made into asphalt mixtures that meet various process requirements for production use. In this process, a large amount of carcinogenic asphalt fume and smoke will be generated, and arbitrary emission will easily pollute the air.

[0003] The utility model document with the patent application number CN202322030864.5 discloses an exhaust gas treatment device for producing highway asphalt mixture, which relates to the technical field of asphalt production waste gas treatment equipment, including an asphalt combustion chamber, an exhaust gas re-ignition device arranged in the inner cavity of the asphalt combustion chamber, a smoke filter device embedded and installed on the top of the asphalt combustion chamber, a cooling device fixedly installed on the top of the smoke filter device, a water circulation device arranged around the outer surface of the asphalt combustion chamber, and a dust removal and desulfurization device arranged on one side of the asphalt combustion chamber. The utility model reduces the temperature of the asphalt exhaust gas through the cooling device and the water circulation device, and insulates the combustion chamber to reduce energy consumption; through the smoke filter device, fine aggregates are filtered down, so as to avoid the exhaust gas taking away a large amount of fine aggregates, which causes the ratio of the asphalt mixture to change and affects the product quality; through the cooling device and the water circulation device, a layer of water curtain is arranged on the inner wall of the pipeline to avoid smoke and dust remaining on the inner wall of the pipeline, and the cooling water brings the smoke and dust to the water treatment box for separation and treatment.

[0004] The above application document proposes an exhaust gas treatment device for producing highway asphalt mixture. When treating the exhaust gas, due to the presence of smoke and dust in the exhaust gas, it will cause blockage inside the device, affecting subsequent use. The above device cannot solve this problem. Based on this, the above problems need to be further improved. Utility Model Content

[0005] The purpose of the utility model is to provide an environmentally friendly exhaust gas treatment device for asphalt mixture production to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an environmentally friendly exhaust gas treatment device for asphalt mixture production, comprising a dust removal box, a side surface of the dust removal box is fixedly connected to an adsorption box, the lower surfaces of the dust removal box and the adsorption box are fixedly connected to two supporting legs, the inner wall of the dust removal box is fixedly connected to a filter screen plate, the back of the dust removal box is fixedly connected to a water storage tank, the upper surface of the water storage tank is fixedly installed with a water pump, the input end of the water pump is fixedly connected to a water suction pipe, the water suction pipe extends to the interior of the water storage tank and is connected to the interior of the water storage tank, the output end of the water pump is fixedly connected to a three-way pipe, the two output ends of the three-way pipe are fixedly connected to a water outlet pipe, the output end of the water outlet pipe extends to the interior of the dust removal box, the output end of the water outlet pipe is fixedly connected to a nozzle, and the output end of the nozzle corresponds to the surface of the filter screen plate.

[0007] In a preferred embodiment of the utility model, an air inlet pipe is fixedly connected to the side surface of the dust removal box, the output end of the air inlet pipe is connected to the interior of the dust removal box, the input end of the air inlet pipe is rotatably connected to a sealing cover, and a drain pipe is symmetrically fixedly connected to the lower surface of the dust removal box, the input end of the drain pipe is connected to the interior of the dust removal box, and a valve is fixedly connected to the surface of the drain pipe. When the valve is opened, sewage can be discharged through the drain pipe.

[0008] In a preferred embodiment of the utility model, a water inlet pipe is fixedly connected to the upper surface of the water tank, the output end of the water inlet pipe is connected to the interior of the water tank, and the input end of the water inlet pipe is rotatably connected to a round cover, and water is transported to the interior of the water tank through the water inlet pipe.

[0009] In a preferred embodiment of the utility model, a first vacuum pump is fixedly installed on the upper surface of the dust removal box, and an input end of the first vacuum pump is fixedly connected to an exhaust pipe, which extends to the interior of the dust removal box and is communicated with the interior of the dust removal box.

[0010] In a preferred embodiment of the utility model, the output end of the first vacuum pump is fixedly connected with a guide tube, the surface of the guide tube is fixedly connected with a sealing ring, the sealing ring is fixedly connected to the upper surface of the adsorption box, and the guide tube extends to the interior of the adsorption box and is communicated with the interior of the adsorption box.

[0011] In a preferred embodiment of the utility model, an activated carbon bag is slidably connected to the inner wall of the adsorption box, a rectangular cover plate is fixedly connected to the top of the activated carbon bag, the rectangular cover plate is sealingly connected to the upper surface of the adsorption box, a pull-out handle is fixedly connected to the upper surface of the rectangular cover plate, a second vacuum pump is fixedly installed on the side surface of the adsorption box, an input end of the second vacuum pump is fixedly connected to an intake pipe, the intake pipe is communicated with the interior of the adsorption box, an output end of the second vacuum pump is fixedly connected to an exhaust pipe, and exhaust gas can be discharged using the second vacuum pump and the exhaust pipe. Beneficial Effects

[0012] The utility model provides an environmentally friendly exhaust gas treatment device for asphalt mixture production, which has the following beneficial effects:

[0013] 1. The exhaust gas environmental protection treatment device for asphalt mixture production is provided with a filter screen plate and a nozzle, and uses an air inlet pipe to transport the exhaust gas to the inside of a dust removal box, and uses the filter screen plate to filter the exhaust gas, and filters the dust in the exhaust gas. The water pump is turned on, and the water in the water storage tank is transported to the three-way pipe through the water suction pipe, so that the water is transported to the water outlet pipe, and then the water is transported to the inside of the nozzle, and the water is sprayed out by the nozzle to clean the surface of the filter screen plate, thereby realizing the dust removal treatment of the exhaust gas, keeping the filter screen plate clean, and facilitating the use of the staff.

[0014] 2. The exhaust gas environmental protection treatment device for asphalt mixture production is provided with a first air pump and an activated carbon bag. The first air pump is used to transport the exhaust gas inside the dust removal box to the guide pipe through the air suction pipe, and then the exhaust gas is transported to the inside of the adsorption box. The activated carbon bag is used to adsorb harmful substances in the exhaust gas. The activated carbon bag can be replaced by pulling the handle and the rectangular cover plate. The second air pump is used to discharge the exhaust gas through the air suction pipe and the air outlet pipe, thereby realizing the adsorption treatment of the exhaust gas, making the exhaust gas emission more environmentally friendly and convenient for the staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of the utility model from a first stereoscopic viewing angle;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model in a front section;

[0017] Figure 3 It is a schematic diagram of the structure of the utility model from the side;

[0018] Figure 4 It is a structural schematic diagram of the second stereoscopic viewing angle of the utility model.

[0019] In the figure: 1. dust removal box; 2. adsorption box; 3. filter screen; 4. water storage tank; 5. water pump; 6. water suction pipe; 7. three-way pipe; 8. water outlet pipe; 9. nozzle; 10. air inlet pipe; 11. sealing cover; 12. drain pipe; 13. valve; 14. water inlet pipe; 15. first vacuum pump; 16. vacuum pipe; 17. guide pipe; 18. sealing ring; 19. activated carbon bag; 20. rectangular cover plate; 21. second vacuum pump; 22. suction pipe; 23. outlet pipe. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 The utility model provides a technical solution: an environmentally friendly exhaust gas treatment device for asphalt mixture production, including a dust removal box 1, a side surface of the dust removal box 1 is fixedly connected to an adsorption box 2, the lower surfaces of the dust removal box 1 and the adsorption box 2 are fixedly connected to two supporting legs, the inner wall of the dust removal box 1 is fixedly connected to a filter screen plate 3, the back of the dust removal box 1 is fixedly connected to a water storage tank 4, the upper surface of the water storage tank 4 is fixedly installed with a water pump 5, the input end of the water pump 5 is fixedly connected to a water suction pipe 6, the water suction pipe 6 extends to the inside of the water storage tank 4 and is connected to the inside of the water storage tank 4, the output end of the water pump 5 is fixedly connected to a three-way pipe 7, the two output ends of the three-way pipe 7 are fixedly connected to a water outlet pipe 8, and the water outlet The output end of the pipe 8 extends to the interior of the dust removal box 1, and the output end of the water outlet pipe 8 is fixedly connected to a nozzle 9, and the output end of the nozzle 9 corresponds to the surface of the filter screen plate 3. The exhaust gas is transported to the interior of the dust removal box 1 by using the intake pipe 10, and the exhaust gas is filtered by using the filter screen plate 3 to filter the dust in the exhaust gas. The water pump 5 is turned on, and the water inside the water tank 4 is transported to the three-way pipe 7 through the suction pipe 6, so that the water is transported to the water outlet pipe 8, and then the water is transported to the interior of the nozzle 9. The water is sprayed out by using the nozzle 9 to clean the surface of the filter screen plate 3, thereby realizing the dust removal of the exhaust gas, keeping the filter screen plate 3 clean, and facilitating the use of the staff.

[0022] An air inlet pipe 10 is fixedly connected to the side surface of the dust removal box 1, and the output end of the air inlet pipe 10 is connected to the interior of the dust removal box 1, and a sealing cover 11 is rotatably connected to the input end of the air inlet pipe 10; a drain pipe 12 is symmetrically fixedly connected to the lower surface of the dust removal box 1, and the input end of the drain pipe 12 is connected to the interior of the dust removal box 1; a valve 13 is fixedly connected to the surface of the drain pipe 12; a water inlet pipe 14 is fixedly connected to the upper surface of the water tank 4, and the output end of the water inlet pipe 14 is connected to the interior of the water tank 4, and a round cover is rotatably connected to the input end of the water inlet pipe 14.

[0023] A first air pump 15 is fixedly installed on the upper surface of the dust removal box 1, and an air extraction pipe 16 is fixedly connected to the input end of the first air pump 15. The air extraction pipe 16 extends to the interior of the dust removal box 1 and is communicated with the interior of the dust removal box 1. A guide pipe 17 is fixedly connected to the output end of the first air pump 15, and a sealing ring 18 is fixedly connected to the surface of the guide pipe 17. The sealing ring 18 is fixedly connected to the upper surface of the adsorption box 2, and the guide pipe 17 extends to the interior of the adsorption box 2 and is communicated with the interior of the adsorption box 2.

[0024] The inner wall of the adsorption box 2 is slidably connected with an activated carbon bag 19, the top of the activated carbon bag 19 is fixedly connected with a rectangular cover plate 20, the rectangular cover plate 20 is sealed and connected to the upper surface of the adsorption box 2, the upper surface of the rectangular cover plate 20 is fixedly connected with a pull-out handle, and the side surface of the adsorption box 2 is fixedly installed with a second air pump 21, the input end of the second air pump 21 is fixedly connected to an air suction pipe 22, the air suction pipe 22 is connected to the inside of the adsorption box 2, and the output end of the second air pump 21 is fixedly connected to an air outlet pipe 23. The exhaust pump 15 transports the exhaust gas inside the dust removal box 1 to the guide pipe 17 through the exhaust pipe 16, and then transports the exhaust gas to the interior of the adsorption box 2, and uses the activated carbon bag 19 to adsorb harmful substances in the exhaust gas. The activated carbon bag 19 can be replaced by pulling the handle and the rectangular cover 20, and the second exhaust pump 21 is used to discharge the exhaust gas through the suction pipe 22 and the exhaust pipe 23, thereby realizing the adsorption treatment of the exhaust gas, making the exhaust gas emission more environmentally friendly and convenient for the staff to use.

[0025] Working principle: First, the staff uses the air intake pipe 10 to transport the exhaust gas to the inside of the dust removal box 1, uses the filter plate 3 to filter the dust in the exhaust gas, starts the water pump 5, and transports the water inside the water tank 4 to the three-way pipe 7 through the water suction pipe 6, so that the water is transported to the outlet pipe 8, and then the water is transported to the inside of the nozzle 9, and the nozzle 9 is used to spray the water to clean the surface of the filter plate 3, open the valve 13, and discharge the sewage through the drain pipe 12, start the first vacuum pump 15, and transport the exhaust gas inside the dust removal box 1 to the guide pipe 17 through the vacuum pipe 16, so that the exhaust gas is transported to the inside of the adsorption box 2, and the activated carbon bag 19 is used to adsorb the exhaust gas, turn on the second vacuum pump 21, and transport the exhaust gas to the outlet pipe 23 through the suction pipe 22, and then discharge the exhaust gas. The activated carbon bag 19 can be replaced using the pull handle and the rectangular cover 20, which is convenient for the staff to use.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly exhaust gas treatment device for asphalt mixture production, comprising a dust removal box (1), a side surface of the dust removal box (1) is fixedly connected to an adsorption box (2), and the lower surfaces of the dust removal box (1) and the adsorption box (2) are both fixedly connected to two supporting legs, characterized in that: The inner wall of the dust removal box (1) is fixedly connected to a filter screen plate (3), the back of the dust removal box (1) is fixedly connected to a water storage tank (4), the upper surface of the water storage tank (4) is fixedly mounted with a water pump (5), the input end of the water pump (5) is fixedly connected to a water suction pipe (6), the water suction pipe (6) extends to the interior of the water storage tank (4) and is in communication with the interior of the water storage tank (4), the output end of the water pump (5) is fixedly connected to a three-way pipe (7), both output ends of the three-way pipe (7) are fixedly connected to a water outlet pipe (8), the output end of the water outlet pipe (8) extends to the interior of the dust removal box (1), the output end of the water outlet pipe (8) is fixedly connected to a nozzle (9), the output end of the nozzle (9) corresponds to the surface of the filter screen plate (3).

2. The exhaust gas environmental protection treatment device for asphalt mixture production according to claim 1 is characterized by: An air intake pipe (10) is fixedly connected to the side surface of the dust removal box (1), an output end of the air intake pipe (10) is connected to the interior of the dust removal box (1), and an input end of the air intake pipe (10) is rotatably connected to a sealing cover (11).

3. The exhaust gas environmental protection treatment device for asphalt mixture production according to claim 2 is characterized by: A drain pipe (12) is symmetrically and fixedly connected to the lower surface of the dust removal box (1); an input end of the drain pipe (12) is connected to the interior of the dust removal box (1); and a valve (13) is fixedly connected to the surface of the drain pipe (12).

4. The exhaust gas environmental protection treatment device for asphalt mixture production according to claim 3 is characterized by: A water inlet pipe (14) is fixedly connected to the upper surface of the water storage tank (4), the output end of the water inlet pipe (14) is connected to the interior of the water storage tank (4), and the input end of the water inlet pipe (14) is rotatably connected to a round cover.

5. The exhaust gas environmental protection treatment device for asphalt mixture production according to claim 4 is characterized by: A first air pump (15) is fixedly mounted on the upper surface of the dust removal box (1); an input end of the first air pump (15) is fixedly connected to an air extraction pipe (16); the air extraction pipe (16) extends into the interior of the dust removal box (1) and is in communication with the interior of the dust removal box (1).

6. The exhaust gas environmental protection treatment device for asphalt mixture production according to claim 5 is characterized by: The output end of the first vacuum pump (15) is fixedly connected to a guide tube (17), the surface of the guide tube (17) is fixedly connected to a sealing ring (18), the sealing ring (18) is fixedly connected to the upper surface of the adsorption box (2), and the guide tube (17) extends to the interior of the adsorption box (2) and is in communication with the interior of the adsorption box (2).

7. The exhaust gas environmental protection treatment device for asphalt mixture production according to claim 6 is characterized by: An activated carbon bag (19) is slidably connected to the inner wall of the adsorption box (2), a rectangular cover plate (20) is fixedly connected to the top of the activated carbon bag (19), the rectangular cover plate (20) is sealingly connected to the upper surface of the adsorption box (2), and a pull-out handle is fixedly connected to the upper surface of the rectangular cover plate (20).

8. The exhaust gas environmental protection treatment device for asphalt mixture production according to claim 7 is characterized by: A second air pump (21) is fixedly mounted on the side surface of the adsorption box (2); an input end of the second air pump (21) is fixedly connected to an air suction pipe (22); the air suction pipe (22) is in communication with the interior of the adsorption box (2); and an output end of the second air pump (21) is fixedly connected to an air outlet pipe (23).

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