Humidification-method dust falling device for tail gas generated in threshing and redrying production

Abstract

The utility model relates to the technical field of tobacco production and processing, and discloses a threshing and redrying production tail gas humidification method dust falling device which comprises a platform, the rear end of the right side of the middle of the top end of the platform is fixedly connected with a humidification box, the right end of the humidification box is communicated with an air inlet pipe, and the front end of the right side of the middle of the top end of the platform is fixedly connected with an ultrasonic humidifier. The middle of the top end of the ultrasonic humidifier communicates with a plurality of evenly-distributed atomizing spray pipes, and the left end of the middle of the humidifying box communicates with a flow guide pipe. According to the utility model, the tail gas generated in production enters the humidifying box through the gas inlet pipe, and water flow is uniformly sprayed out from the atomizing spray pipe through the ultrasonic humidifier, so that the tail gas in the threshing and redrying production process is humidified, and then the humidified tail gas is conveyed into the wet dust removal box through the flow guide pipe; a stirring mechanism mounted in the wet dust removal box is used for quickly stirring water flow, so that tail gas and water are fully mixed, and the dust falling effect of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tobacco production and processing, in particular to a dust reduction device for tail gas humidification in leaf threshing and re-roasting production. Background Art

[0002] During the production process of leaf threshing and re-drying (such as re-drying of tobacco leaves), exhaust gas containing a large amount of dust and other pollutants will be generated. Traditional exhaust gas treatment equipment is often not efficient when treating high-concentration dust exhaust gas, and it is difficult to meet environmental protection requirements. In addition, there are problems such as low efficiency, high energy consumption, difficult maintenance and possible secondary pollution, which increase the cost of maintenance and production.

[0003] After searching, Chinese patent announcement number: CN209221687U discloses a pipeline dust reduction device for chemical exhaust gas treatment, including a front pipe, a dust reduction pipe and a rear pipe, the rear pipe is provided with a front end cover connected to the cylinder, the output rod of the cylinder is provided with a telescopic rod, the telescopic rod passes through the rear pipe and is hinged to the hinged rod, the hinged rod is fixedly connected to the dust scraper plate, the top of the dust scraper plate is provided with a sleeve integrally formed therewith, the dust reduction pipe is penetrated by a driving shaft, one end of the driving shaft is fixedly connected to the output shaft of the stepper motor, the driving shaft is fixedly connected to two discs, the two discs are fixedly connected to an impeller, the top of the dust reduction pipe is fixedly connected to a spray pipe, and the bottom of the dust reduction pipe is fixedly connected to a dust collecting pipe. The utility model installs the dust reduction pipe in the exhaust gas emission pipe in the form of a flange connection, and the impeller is driven to rotate by the exhaust gas airflow, so that the impeller and dust are repeatedly in contact, so that the dust adheres to the impeller, which can well achieve the dust reduction effect, has a simple structure, is simple to operate, and is worthy of promotion.

[0004] During use of the above-mentioned equipment, the exhaust gas flow drives the impeller to rotate, so that the impeller and dust are repeatedly in contact, and the dust adheres to the impeller, thereby achieving the dust reduction effect. However, when the impeller of the device rotates at a high speed, due to the centrifugal force, the dust cannot effectively adhere to the impeller, thereby greatly reducing the dust reduction effect. For this reason, a dust reduction device using the leaf beating and re-baking production exhaust gas humidification method is proposed to solve the above-mentioned problem. Utility Model Content

[0005] In order to remedy the above deficiencies, the utility model provides a dust reduction device for exhaust gas humidification during leaf beating and re-roasting production, aiming to improve the problem in the prior art that when the impeller of the device rotates at high speed, the dust cannot effectively adhere to the impeller due to the centrifugal force, thereby greatly reducing the dust reduction effect.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a dust reduction device for tail gas humidification method of leaf threshing and re-roasting production, comprising a platform, a humidification box is fixedly connected to the rear end of the right side of the middle of the top of the platform, the right end of the humidification box is connected to an air intake pipe, an ultrasonic humidifier is fixedly connected to the front end of the right side of the middle of the top of the platform, a plurality of evenly distributed atomizing nozzles are connected to the middle of the top of the ultrasonic humidifier, a guide pipe is connected to the left end of the middle of the humidification box, the left end of the guide pipe is connected to a wet dust removal box, and a stirring mechanism is arranged on the right side of the middle of the wet dust removal box;

[0007] The stirring mechanism includes a motor cover, which is fixedly connected to the right side of the middle part of the wet dust removal box, a fixed motor is arranged inside the motor cover, an output end of the fixed motor is fixedly connected to a rotating shaft, a middle left end of the rotating shaft is fixedly connected to a transmission wheel, a middle outer side of the transmission wheel is rotatably connected to a transmission belt, a plurality of evenly distributed impeller blades are fixedly connected to the middle outer sides of the two rotating shafts, a Π-shaped baffle is fixedly connected to the middle part of the inner wall of the wet dust removal box, two water baffles are fixedly connected to the bottom end of the Π-shaped baffle, baffle-type demisters are fixedly connected to the front and rear ends of the middle part of the inner wall of the wet dust removal box, and a circulation component is arranged on the left side of the bottom end of the humidifying box.

[0008] As a further description of the above technical solution:

[0009] The circulation component includes a return pipe, which is connected to the left side of the bottom end of the humidification box, the other end of the return pipe is fixedly connected to a water storage tank, the middle right side of the return pipe is fixedly connected to a reflux pump, the middle part of the return pipe is fixedly connected to an activated carbon filter tank, the right end of the water storage tank is connected to a water supply pipe, and the other end of the water supply pipe is connected to the left side of the middle part of the ultrasonic humidifier.

[0010] As a further description of the above technical solution:

[0011] The left side of the upper middle end of the wet dust removal box is connected with an exhaust pipe, and the front middle end of the wet dust removal box is connected with a water supply port.

[0012] As a further description of the above technical solution:

[0013] The four corners of the bottom end of the wet dust removal box are fixedly connected with support legs, and a plurality of evenly distributed fixing grooves are opened on the left side of the top end of the platform.

[0014] As a further description of the above technical solution:

[0015] The rear ends of the plurality of atomizing nozzles are all connected to the middle of the top end of the humidifying box, and the outer side walls of the plurality of supporting legs are all slidably connected to the inner side walls of the fixing grooves.

[0016] As a further description of the above technical solution:

[0017] A first limiting groove is provided in the middle of the top of the platform, a second limiting groove is provided on the front side of the middle of the top of the platform, the bottom end of the activated carbon filter tank is slidably connected to the inner wall of the first limiting groove, and the bottom end of the water storage tank is slidably connected to the inner wall of the second limiting groove.

[0018] As a further description of the above technical solution:

[0019] The left front end of the ultrasonic humidifier is connected with an overflow pipe.

[0020] As a further description of the above technical solution:

[0021] A threaded ring is provided on the inner wall of the air intake pipe, a connecting flange is fixedly connected to the right side of the air intake pipe, a controller is fixedly connected to the front left side of the top of the platform, and a protective cover is hinged on the rear end of the controller.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the exhaust gas generated by the production enters the humidification box through the air intake pipe, and the water flow is evenly sprayed out from the atomizing nozzle through the ultrasonic humidifier, so as to humidify the exhaust gas in the leaf beating and re-drying production process, and then the humidified exhaust gas is transported into the wet dust removal box through the guide pipe, and the stirring mechanism installed inside the wet dust removal box quickly stirs the water flow to fully mix the exhaust gas and water, thereby improving the dust reduction effect of the equipment.

[0024] 2. In the utility model, by installing a reflux pipe on the left side of the bottom end of the humidifier box, and connecting a reflux pump and an activated carbon filter tank on the reflux pipe, the waste water inside the humidifier box can be pumped into the activated carbon filter tank through the reflux pipe by the reflux pump for filtering treatment, and then the treated water will flow back to the water storage tank, and again provide water to the ultrasonic humidifier through the water pipe connected to the right end of the water storage tank, thereby forming a complete water cycle and effectively avoiding the waste of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a front view of the dust reduction device for tail gas humidification method in leaf threshing and re-roasting production proposed by the utility model;

[0026] Figure 2 It is a cross-sectional view of the humidifying box of the dust reduction device for tail gas humidification method in leaf threshing and redrying production proposed by the utility model;

[0027] Figure 3 This is a diagram showing the internal structure of the wet dust removal box of the dust reduction device for tail gas humidification in leaf threshing and re-roasting production proposed by the utility model;

[0028] Figure 4 This is a schematic diagram of a fixed motor for the dust reduction device for tail gas humidification in leaf threshing and re-roasting production proposed by the utility model.

[0029] Legend:

[0030] 1. Platform; 2. Humidifier box; 3. Inlet pipe; 4. Ultrasonic humidifier; 5. Atomizing nozzle; 6. Guide pipe; 7. Wet dust removal box; 8. Agitation mechanism; 801. Motor cover; 802. Fixed motor; 803. Rotating shaft; 804. Drive wheel; 805. Drive belt; 806. Impeller blade; 807. Π-shaped baffle; 808. Water baffle; 809. Baffle type demister; 9. Circulation component; 901. Reflux pipe; 902. Water storage tank; 903. Reflux pump; 904. Activated carbon filter tank; 905. Water pipe; 10. Exhaust pipe; 11. Water supply port; 12. Support leg; 13. Fixed groove; 14. First limit groove; 15. Second limit groove; 16. Overflow pipe; 17. Threaded ring; 18. Connecting flange; 19. Controller; 20. Protective cover. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1 , Figure 3 and Figure 4 The utility model provides an embodiment: a dust reduction device for tail gas humidification method in leaf threshing and redrying production, comprising a platform 1, a humidifying box 2 is fixedly connected to the rear end of the right side of the middle of the top of the platform 1, the right end of the humidifying box 2 is connected to an air intake pipe 3, an ultrasonic humidifier 4 is fixedly connected to the front end of the right side of the middle of the top of the platform 1, a plurality of evenly distributed atomizing nozzles 5 are connected to the middle of the top of the ultrasonic humidifier 4, a guide pipe 6 is connected to the left end of the middle of the humidifying box 2, a wet dust removal box 7 is connected to the left end of the guide pipe 6, and a stirring mechanism 8 is arranged on the right side of the middle of the wet dust removal box 7;

[0033] The stirring mechanism 8 includes a motor cover 801, which is fixedly connected to the right side of the middle of the wet dust removal box 7. A fixed motor 802 is arranged inside the motor cover 801. The output end of the fixed motor 802 is fixedly connected to a rotating shaft 803. The left end of the middle part of the rotating shaft 803 is fixedly connected to a transmission wheel 804. The middle outer side of the transmission wheel 804 is rotatably connected to a transmission belt 805. The middle outer sides of the two rotating shafts 803 are fixedly connected to a plurality of evenly distributed impeller blades 806. The middle of the inner wall of the wet dust removal box 7 is fixedly connected to a Π-shaped baffle. Plate 807, two water baffles 808 are fixedly connected to the bottom end of the Π-shaped baffle 807, baffle-type demisters 809 are fixedly connected to the front and rear ends of the middle of the inner wall of the wet dust removal box 7, and a circulation component 9 is arranged on the left side of the bottom end of the humidification box 2; the four corners of the bottom end of the wet dust removal box 7 are fixedly connected to support legs 12, and a plurality of evenly distributed fixed grooves 13 are opened on the left side of the top of the platform 1; the rear ends of the plurality of atomizing nozzles 5 are connected to the middle of the top of the humidification box 2, and the outer side walls of the plurality of support legs 12 are slidably connected to the inner side walls of the fixed grooves 13;

[0034] Specifically: the right end of the humidification box 2 is connected with an air intake pipe 3 so that the exhaust gas to be treated can be transported into the humidification box 2 through the air intake pipe 3; the front end of the right side of the middle of the top of the platform 1 is connected with an ultrasonic humidifier 4, which produces fine water droplets through high-frequency vibration, thereby achieving efficient humidification; the middle of the top of the ultrasonic humidifier 4 is connected with a plurality of evenly distributed atomizing nozzles 5 through a pipeline, and these atomizing nozzles 5 can ensure that the humidification effect is evenly distributed; the left end of the middle of the humidification box 2 is connected with a guide pipe 6, and the left end of the guide pipe 6 is further connected with a wet dust removal box 7, so that the humidified exhaust gas can be transported into the wet dust removal box 7 through the guide pipe 6 for further treatment.

[0035] Reference Figure 1 and Figure 2 The circulation component 9 includes a return pipe 901, which is connected to the left side of the bottom end of the humidification box 2, and the other end of the return pipe 901 is fixedly connected to a water storage tank 902, and a return pump 903 is fixedly connected to the right side of the middle of the return pipe 901. An activated carbon filter tank 904 is fixedly connected to the middle of the return pipe 901, and the right end of the water storage tank 902 is connected to a water delivery pipe 905, and the other end of the water delivery pipe 905 is connected to the left side of the middle of the ultrasonic humidifier 4; the left side of the upper middle end of the wet dust removal box 7 is connected to an exhaust pipe 10, and the front middle part of the wet dust removal box 7 is connected to a water supply port 11;

[0036] Specifically: one end of the return pipe 901 is connected to the left side of the bottom end of the humidification box 2, which serves to connect the humidification box 2 with the water tank 902, and the other end of the return pipe 901 is fixedly connected to the water tank 902, forming a closed circulation system. In this system, the right side of the middle of the return pipe 901 is fixedly connected to the return pump 903, and the middle of the return pipe 901 is also fixedly connected to the activated carbon filter tank 904, which ensures the purity of the water quality. The activated carbon filter tank 904 can effectively remove impurities and odors in the water, making the water mist output by the humidifier 2 purer. The right end of the water tank 902 is also connected to the water pipe 905, and the other end is connected to the left side of the middle of the ultrasonic humidifier 4, providing a stable water source for the ultrasonic humidifier 4, making the entire humidification system both reasonable and efficient, not only realizing the recycling of water, but also ensuring the stability and durability of the humidification effect.

[0037] Reference Figure 1 and Figure 2 A first limiting groove 14 is provided in the middle of the top of the platform 1, a second limiting groove 15 is provided on the front side of the middle of the top of the platform 1, the bottom end of the activated carbon filter tank 904 is slidably connected to the inner wall of the first limiting groove 14, and the bottom end of the water storage tank 902 is slidably connected to the inner wall of the second limiting groove 15; the front end of the left side of the ultrasonic humidifier 4 is connected to an overflow pipe 16; a threaded ring 17 is provided on the inner wall of the air inlet pipe 3, and a connecting flange 18 is fixedly connected to the right side of the air inlet pipe 3, a controller 19 is fixedly connected to the front end of the left side of the top of the platform 1, and a protective cover 20 is hinged at the rear end of the controller 19.

[0038] Specifically: the front end on the left side of the ultrasonic humidifier 4 is connected to the overflow pipe 16, so that the equipment can effectively handle excess moisture during operation to ensure the normal operation of the equipment. A threaded ring 17 is carefully opened on the inner wall of the air inlet pipe 3, which accelerates the exhaust gas to enter the humidifier 2. The right side of the air inlet pipe 3 is fixedly connected with a connecting flange 18, which provides convenience for the installation and maintenance of the equipment. At the front end on the left side of the top of the platform 1, a controller 19 is fixedly connected, which is responsible for controlling and adjusting the working state of the entire equipment to ensure the stable operation of the equipment. The rear end of the controller 19 is hinged with a protective cover 20, which can protect the controller 19 from interference from external factors, so that the equipment can operate normally.

[0039] Working principle: When the device needs to be operated, the exhaust gas generated in the production process will enter the humidification box 2 through the air inlet pipe 3, and fine water droplets will be generated through the high-frequency vibration of the ultrasonic humidifier 4, so as to achieve efficient humidification. The middle part of the top of the ultrasonic humidifier 4 is connected with a plurality of evenly distributed atomizing nozzles 5 through a pipeline. These atomizing nozzles 5 can ensure the even distribution of the humidification effect, so as to humidify the exhaust gas in the leaf beating and re-drying production process, and then the left end of the guide pipe 6 is connected with a wet dust removal box 7, so that the humidified exhaust gas can be transported into the wet dust removal box 7, and the stirring mechanism 8 installed inside the wet dust removal box 7 can quickly stir the water flow to fully mix the exhaust gas and water, thereby improving The dust reduction effect of the equipment is improved. At the same time, a return pipe 901 is installed on the left side of the bottom end of the humidification box 2, and a return pump 903 and an activated carbon filter tank 904 are connected to the return pipe 901. The waste water inside the humidification box 2 can be pumped into the activated carbon filter tank 904 through the return pipe 901 by the return pump 903 for filtering treatment. The activated carbon filter tank 904 can effectively remove impurities and odors in the water, so that the water mist output by the humidifier 2 is purer, and then the treated water flow will flow back to the water storage tank 902, and again provide water to the ultrasonic humidifier 4 through the water supply pipe 905 connected to the right end of the water storage tank 902, thereby forming a complete water cycle and effectively avoiding the waste of water resources.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dust reduction device for tail gas from leaf threshing and re-roasting by humidification method, comprising a platform (1), characterized in that: A humidifying box (2) is fixedly connected to the rear end of the right side in the middle of the top of the platform (1), the right end of the humidifying box (2) is connected to an air inlet pipe (3), an ultrasonic humidifier (4) is fixedly connected to the front end of the right side in the middle of the top of the platform (1), a plurality of evenly distributed atomizing nozzles (5) are connected to the middle of the top of the ultrasonic humidifier (4), a guide pipe (6) is connected to the left end of the middle of the humidifying box (2), the left end of the guide pipe (6) is connected to a wet dust removal box (7), and a stirring mechanism (8) is provided on the right side of the middle of the wet dust removal box (7); The stirring mechanism (8) comprises a motor cover (801), wherein the motor cover (801) is fixedly connected to the right side of the middle part of the wet dust removal box (7), a fixed motor (802) is arranged inside the motor cover (801), an output end of the fixed motor (802) is fixedly connected to a rotating shaft (803), a middle left end of the rotating shaft (803) is fixedly connected to a transmission wheel (804), and a transmission belt (805) is rotatably connected to the outer side of the middle part of the transmission wheel (804), A plurality of evenly distributed impeller blades (806) are fixedly connected to the outer middle parts of the two rotating shafts (803); a Π-shaped baffle (807) is fixedly connected to the middle part of the inner wall of the wet dust removal box (7); two water baffles (808) are fixedly connected to the bottom end of the Π-shaped baffle (807); baffle-type demisters (809) are fixedly connected to the front and rear ends of the middle part of the inner wall of the wet dust removal box (7); and a circulation component (9) is arranged on the left side of the bottom end of the humidifying box (2).

2. The dust reduction device for tail gas humidification in leaf threshing and redrying production according to claim 1 is characterized in that: The circulation component (9) comprises a return pipe (901), wherein the return pipe (901) is connected to the left side of the bottom end of the humidification box (2), the other end of the return pipe (901) is fixedly connected to a water storage tank (902), the middle right side of the return pipe (901) is fixedly connected to a return pump (903), the middle part of the return pipe (901) is fixedly connected to an activated carbon filter tank (904), the right end of the water storage tank (902) is connected to a water supply pipe (905), and the other end of the water supply pipe (905) is connected to the left side of the middle part of the ultrasonic humidifier (4).

3. The dust reduction device for tail gas humidification in leaf threshing and redrying production according to claim 2 is characterized in that: The left side of the upper middle end of the wet dust removal box (7) is connected to an exhaust pipe (10), and the front middle end of the wet dust removal box (7) is connected to a water supply port (11).

4. The dust reduction device for tail gas humidification in leaf threshing and redrying production according to claim 1 is characterized in that: The four corners of the bottom end of the wet dust removal box (7) are fixedly connected to support legs (12), and a plurality of evenly distributed fixing grooves (13) are provided on the left side of the top end of the platform (1).

5. The dust reduction device for tail gas humidification in leaf threshing and redrying production according to claim 4 is characterized in that: The rear ends of the plurality of atomizing nozzles (5) are connected to the middle of the top end of the humidifying box (2), and the outer side walls of the plurality of supporting legs (12) are slidably connected to the inner side walls of the fixing groove (13).

6. The dust reduction device for tail gas humidification in leaf threshing and redrying production according to claim 2 is characterized by: A first limiting groove (14) is provided in the middle of the top of the platform (1), and a second limiting groove (15) is provided on the front side of the middle of the top of the platform (1); the bottom end of the activated carbon filter tank (904) is slidably connected to the inner side wall of the first limiting groove (14), and the bottom end of the water storage tank (902) is slidably connected to the inner side wall of the second limiting groove (15).

7. The dust reduction device for tail gas humidification in leaf threshing and redrying production according to claim 1 is characterized in that: The left front end of the ultrasonic humidifier (4) is connected to an overflow pipe (16).

8. The dust reduction device for tail gas humidification in leaf threshing and redrying production according to claim 1 is characterized by: The inner wall of the air intake pipe (3) is provided with a threaded ring (17), the right side of the air intake pipe (3) is fixedly connected with a connecting flange (18), the front end of the top left side of the platform (1) is fixedly connected with a controller (19), and the rear end of the controller (19) is hinged with a protective cover (20).

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