Waste gas treatment device

Abstract

The utility model belongs to the technical field of seasoning processing, particularly relates to a waste gas treatment device, and aims to solve the problems that activated carbon and filter cotton are inconvenient to disassemble and replace and the waste gas filtering effect is influenced after the existing waste gas treatment, and provides the following scheme: the waste gas treatment device comprises a rectangular air pipe, and a horn mouth is arranged on the outer side of the rectangular air pipe; a collecting mechanism is arranged at the bottom of the horn mouth, a suction fan is arranged in the rectangular air pipe, two limiting strips are installed on the inner wall of the bottom of the rectangular air pipe, a rectangular box is arranged between the two limiting strips, an air inlet is formed in the left side of the rectangular box, an air outlet is formed in the right side of the rectangular box, and a waste gas filtering mechanism is arranged in the rectangular box. And the top of the rectangular box is opened. The waste gas filtering device is simple in structure, waste gas can be conveniently filtered, the two handle rods are pressed and pulled upwards, the filtering cotton, the drying cotton and a plurality of activated carbon particles can be conveniently guided out and replaced, and waste gas filtering use cannot be affected.

Description

Technical Field

[0001] The utility model relates to the technical field of condiment processing, in particular to a waste gas treatment device. Background Art

[0002] Condiments mainly include salt, monosodium glutamate, sugar, spices, chili powder, hydrolyzed vegetable protein, etc. Dust particles will be generated in multiple processing steps. The particles will diffuse in the air and inhale into the human body, which will cause harm to health. Odors will also be generated in the mixing, stirring, weighing and packaging processes. In addition, harmful gases will be generated in the production process, generally including hydrogen sulfide, methyl mercaptan, methyl sulfide, dimethyl disulfide, carbon disulfide, ammonia, trimethylamine, styrene, etc., which will cause serious harm to human health and the ecological environment. The existing condiment waste gas treatment device uses a fan to collect the waste gas when in use, and uses filter cotton and activated carbon to purify the wind. The search announcement number is: CN216963956U A condiment processing waste gas treatment device with a purification structure includes a placement tube, filter cotton, a placement tube, a connecting tube, an air duct and an oil collecting box. An air inlet hood is fixed to one end of the placement tube. A filter is fixed inside one end of the air inlet hood, and the filter cotton is placed inside the placement tube, a connecting plate is fixed in the middle of the lower end of the placement tube, and the connecting plate is at a right angle, a connecting sleeve is fixed in the middle of one side of the oil collecting box, and the oil collecting box is connected to one end of the connecting plate through the connecting sleeve, and a fixing buckle is fixed in an annular shape at the end of the outer side of the placement tube facing away from the air inlet hood, and the placement tube is fixed to one end of the connecting tube through the fixing buckle, and a filter is fixed inside one end of the placement tube, and a limiting ring is threadedly installed at one end of the placement tube away from the filter, which is beneficial to the effect of filtering and purifying the exhaust gas, the filter cotton is placed in the placement tube, and the activated carbon is placed inside the placement tube, and the placement tube is installed in the connecting tube, and both ends of the connecting tube are connected and installed with the placement tube and the air duct, and the exhaust gas can be absorbed by starting the fan in the air duct, and the exhaust gas is filtered and purified by the filter cotton and the activated carbon.

[0003] After the existing waste gas treatment, it is inconvenient to disassemble and replace the activated carbon and filter cotton, which affects the waste gas filtering effect. Utility Model Content

[0004] The utility model aims to propose an exhaust gas treatment device in order to solve the disadvantage that after the existing exhaust gas treatment, it is inconvenient to disassemble and replace the activated carbon and the filter cotton, which affects the exhaust gas filtering effect.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A waste gas treatment device comprises a rectangular air duct, a bell mouth is arranged on the outer side of the rectangular air duct, a collecting mechanism is arranged at the bottom of the bell mouth, an air intake fan is arranged in the rectangular air duct, two limit strips are installed on the inner wall of the bottom of the rectangular air duct, the same rectangular box is arranged between the two limit strips, an air inlet hole is arranged on the left side of the rectangular box, an air outlet hole is arranged on the right side of the rectangular box, an exhaust gas filtering mechanism is arranged in the rectangular box, the top of the rectangular box is opened, a sealing plug is arranged on the inner wall of the rectangular box, a rectangular plate is fixedly installed on the top of the sealing plug, two rectangular strips are fixedly installed on the top of the rectangular air duct, two rectangular grooves are arranged at the bottom of the rectangular plate, the two rectangular strips are movably connected to the two rectangular grooves, a groove is arranged at the top of the rectangular plate, two locking mechanisms are arranged in the groove, and the locking mechanisms cooperate with the corresponding rectangular strips.

[0007] Preferably, the exhaust gas filtering mechanism includes two filter screens, both of which are fixedly installed in a rectangular box, a plurality of activated carbon particles are placed between the two filter screens, and filter cotton and drying cotton are respectively arranged on the left and right sides of the two filter screens; the filter cotton is used to filter the exhaust gas, the drying cotton is used to dry the exhaust gas, the two filter screens are used to filter the exhaust gas particles, and the activated carbon particles can adsorb the odor of the exhaust gas.

[0008] Preferably, the two locking mechanisms include two elastic plates, two locking rods are fixedly installed on the outer sides of the two elastic plates, two sliding holes are provided on the inner walls on both sides of the groove, the sliding holes are connected with the corresponding rectangular grooves, the locking rods are slidably connected with the inner walls of the sliding holes, two locking grooves are provided on the rectangular bar, and the locking rods are clamped with the locking grooves; a tension spring is sleeved on the outer side of the locking rod, one end of the tension spring is fixedly installed on the inner wall of the groove, and the other end of the tension spring is fixedly installed on the elastic plate; the locking rod is entered into the locking groove by the tension of the tension spring.

[0009] Preferably, two slide bars are fixedly mounted on the inner wall of the groove, two elastic plates are slidably mounted on the outside of the two slide bars, and handle bars are fixedly mounted on the top of the two elastic plates; the two handle bars can operate the two elastic plates.

[0010] Preferably, a mounting hole is provided on the top of the rectangular air duct, and the rectangular box is movably connected to the mounting hole.

[0011] Preferably, the collection mechanism includes a placement shell and a collection box, a vertical plate is fixedly installed at the bottom of the rectangular air duct, two telescopic rods are arranged on the inner side of the vertical plate, the output ends of the two telescopic rods are fixedly installed on the placement shell, and the collection box is placed in the placement shell; the collection box is moved by pulling the placement shell, so that the collection box can be taken out for cleaning conveniently.

[0012] In the utility model, the beneficial effects of the exhaust gas treatment device are:

[0013] This solution starts the suction fan, and the exhaust gas enters the rectangular air duct through the bell mouth. The filter cotton is set to filter the exhaust gas, and then the activated carbon particles are used to absorb the odor. The two filters are set to filter the exhaust gas, and then the gas is discharged through the rectangular air duct. The collection box is set to collect oil stains;

[0014] When the exhaust gas filter mechanism needs to be replaced in this solution, the two handle rods are pressed to drive the two elastic plates to move closer to each other, and the elastic plates drive the two locking rods to leave the two locking grooves, releasing the fixation between the rectangular plate and the two rectangular strips, and then the two handle rods are pulled upward to drive the rectangular plate to move upward, and the rectangular plate drives the rectangular box to move upward and leave the rectangular air duct through the sealing plug, and the exhaust gas filter mechanism is removed from the rectangular air duct, and then the rectangular plate is pulled hard to pull the sealing plug out of the inner wall of the rectangular box, and then the filter cotton, drying cotton and multiple activated carbon particles are taken out and replaced, which will not affect the use of exhaust gas filtration;

[0015] The utility model has a simple structure and is convenient for filtering exhaust gas. By pressing two handle rods and pulling upwards, the filter cotton, drying cotton and multiple activated carbon particles can be easily exported and replaced without affecting the use of exhaust gas filtering. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of an exhaust gas treatment device proposed by the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of an exhaust gas treatment device proposed by the utility model;

[0018] Figure 3 This is a schematic structural diagram of part A of an exhaust gas treatment device proposed by the utility model;

[0019] Figure 4 This is a three-dimensional structural schematic diagram of the elastic plate, two locking rods and the handle rod proposed by the utility model.

[0020] In the figure: 1. rectangular air duct; 2. bell mouth; 3. suction fan; 4. limit strip; 5. rectangular box; 6. air inlet; 7. air outlet; 8. filter cotton; 9. filter net; 10. activated carbon particles; 11. sealing plug; 12. drying cotton; 13. vertical plate; 14. telescopic rod; 15. placement shell; 16. collection box; 17. rectangular plate; 18. groove; 19. slide rod; 20. elastic plate; 21. handle rod; 22. slide hole; 23. tension spring; 24. rectangular strip; 25. rectangular groove; 26. locking groove; 27. locking rod; 28. mounting hole; 29. ​​arc ball; 30. arc slot. DETAILED DESCRIPTION

[0021] The technical solution of this embodiment will be clearly and completely described below in conjunction with the drawings in this embodiment. Obviously, the described embodiment is only a part of this embodiment, rather than all of the embodiments.

[0022] Embodiment 1

[0023] Reference Figure 1-Figure 4 , an exhaust gas treatment device comprises a rectangular air duct 1, a bell mouth 2 is arranged on the outer side of the rectangular air duct 1, a collecting mechanism is arranged at the bottom of the bell mouth 2, an air suction fan 3 is arranged in the rectangular air duct 1, two limit strips 4 are installed on the inner wall of the bottom of the rectangular air duct 1, a same rectangular box 5 is arranged between the two limit strips 4, an air inlet 6 is arranged on the left side of the rectangular box 5, an air outlet 7 is arranged on the right side of the rectangular box 5, an exhaust gas filtering mechanism is arranged in the rectangular box 5, the top of the rectangular box 5 is opened, a sealing plug 11 is arranged on the inner wall of the rectangular box 5, a rectangular plate 17 is fixedly installed on the top of the sealing plug 11, two rectangular strips 24 are fixedly installed on the top of the rectangular air duct 1, two rectangular grooves 25 are opened at the bottom of the rectangular plate 17, the two rectangular strips 24 are movably connected with the two rectangular grooves 25, a groove 18 is opened at the top of the rectangular plate 17, two locking mechanisms are arranged in the groove 18, and the locking mechanisms cooperate with the corresponding rectangular strips 24.

[0024] In this embodiment, a mounting hole 28 is opened on the top of the rectangular air duct 1, and the rectangular box 5 is movably connected to the mounting hole 28.

[0025] In this embodiment, the exhaust gas filtering mechanism includes two filter screens 9, and the two filter screens 9 are fixedly installed in the rectangular box 5. A plurality of activated carbon particles 10 are placed between the two filter screens 9. Filter cotton 8 and drying cotton 12 are respectively arranged on the left and right sides of the two filter screens 9; the filter cotton 8 is used to filter the exhaust gas, and the drying cotton 12 is used to dry the exhaust gas. The two filter screens 9 are used to filter the exhaust gas particles, and the activated carbon particles 10 can absorb the odor of the exhaust gas.

[0026] In this embodiment, the two locking mechanisms include two elastic plates 20, and two locking rods 27 are fixedly installed on the outer sides of the two elastic plates 20. Two sliding holes 22 are provided on the inner walls of both sides of the groove 18, and the sliding holes 22 are connected to the corresponding rectangular grooves 25. The locking rod 27 is slidably connected to the inner walls of the sliding holes 22. Two locking grooves 26 are provided on the rectangular bar 24, and the locking rod 27 is engaged with the locking groove 26; a tension spring 23 is sleeved on the outer side of the locking rod 27, one end of the tension spring 23 is fixedly installed on the inner wall of the groove 18, and the other end of the tension spring 23 is fixedly installed on the elastic plate 20; the locking rod 27 enters the locking groove 26 through the tension of the tension spring 23.

[0027] In this embodiment, two slide bars 19 are fixedly installed on the inner wall of the groove 18, and two elastic plates 20 are slidably installed on the outside of the two slide bars 19. Handle bars 21 are fixedly installed on the top of the two elastic plates 20; the two handle bars 21 can operate the two elastic plates 20.

[0028] In this embodiment, the collecting mechanism includes a placing shell 15 and a collecting box 16. A vertical plate 13 is fixedly installed at the bottom of the rectangular air duct 1. Two telescopic rods 14 are arranged on the inner side of the vertical plate 13. The output ends of the two telescopic rods 14 are fixedly installed with the placing shell 15. The collecting box 16 is placed in the placing shell 15. Pulling the placing shell 15 drives the collecting box 16 to move, so that the collecting box 16 can be taken out and cleaned conveniently.

[0029] Working principle: when in use, turn on the power supply and PLC controller to control the electrical appliances. The prior art will not be described in detail here. Start the suction fan 3, and the exhaust gas enters the rectangular air duct 1 through the bell mouth 2. The filter cotton 8 is set to filter the exhaust gas, and then the activated carbon particles 10 are used to absorb the odor. The two filter screens 9 are set to filter the exhaust gas, and then the gas is discharged through the rectangular air duct 1. The collection box 16 is set to collect oil stains. When the exhaust gas filter mechanism needs to be replaced, press the two handle rods 21 to drive the two elastic plates 20 to move closer to each other, and the elastic plates 20 drive the two locking rods 27 to leave the two locking grooves 26 to release. In addition to the fixation between the rectangular plate 17 and the two rectangular bars 24, the two handle rods 21 are pulled upward to drive the rectangular plate 17 to move upward. The rectangular plate 17 drives the rectangular box 5 to move upward and leave the rectangular air duct 1 through the sealing plug 11, and the exhaust gas filtering mechanism is removed from the rectangular air duct 1. Then the rectangular plate 17 is pulled hard to pull the sealing plug 11 out of the inner wall of the rectangular box 5, and then the filter cotton 8, drying cotton 12 and multiple activated carbon particles 10 are exported and replaced. After reinstallation, the rectangular bar 24 is inserted into the rectangular groove 25. Through the tension of the tension spring 23, the locking rod 27 enters the locking groove 26, so that the rectangular plate 17 can be fixed and reused.

[0030] Embodiment 2

[0031] The difference between Example 2 and Example 1 is that arc-shaped grooves 30 are provided on both sides of the sealing plug 11, and an arc-shaped ball 29 is fixedly installed on the inner wall of the rectangular box 5, and the arc-shaped ball 29 is engaged with the arc-shaped groove 30. The sealing plug 11 is made of rubber material and has elasticity. The arc-shaped ball 29 enters the arc-shaped groove 30, and the sealing plug 11 and the rectangular box 5 can be sealed and squeezed together. This application includes all structural shapes, sizes and materials of Example 1. In order to meet specific usage conditions, they can all be selected and adjusted. The accompanying drawings are all schematic structural diagrams, and the specific actual sizes can be appropriately adjusted.

[0032] The above is only a preferred specific implementation of this embodiment, but the protection scope of this embodiment is not limited to this. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of this embodiment within the technical scope disclosed in this embodiment, which should be covered by the protection scope of this embodiment.

Claims

1. An exhaust gas treatment device, comprising a rectangular air duct (1), wherein a bell mouth (2) is arranged on the outer side of the rectangular air duct (1), characterized in that: A collecting mechanism is arranged at the bottom of the bell mouth (2), an air intake fan (3) is arranged in the rectangular air duct (1), two limit strips (4) are installed on the inner wall of the bottom of the rectangular air duct (1), a rectangular box (5) is arranged between the two limit strips (4), an air inlet (6) is arranged on the left side of the rectangular box (5), an air outlet (7) is arranged on the right side of the rectangular box (5), an exhaust gas filtering mechanism is arranged in the rectangular box (5), the top of the rectangular box (5) is opened, and the rectangular box (5) is provided with an exhaust gas filter. The inner wall is provided with a sealing plug (11), a rectangular plate (17) is fixedly installed on the top of the sealing plug (11), two rectangular strips (24) are fixedly installed on the top of the rectangular air duct (1), two rectangular grooves (25) are provided at the bottom of the rectangular plate (17), the two rectangular strips (24) are movably connected to the two rectangular grooves (25), a groove (18) is provided at the top of the rectangular plate (17), two locking mechanisms are provided in the groove (18), and the locking mechanisms cooperate with the corresponding rectangular strips (24).

2. The exhaust gas treatment device according to claim 1, characterized in that: The collection mechanism comprises a placement shell (15) and a collection box (16); a vertical plate (13) is fixedly mounted on the bottom of the rectangular air duct (1); two telescopic rods (14) are arranged on the inner side of the vertical plate (13); the output ends of the two telescopic rods (14) are fixedly mounted on the placement shell (15); and the collection box (16) is placed in the placement shell (15).

3. The exhaust gas treatment device according to claim 1, characterized in that: The exhaust gas filtering mechanism comprises two filter screens (9), the two filter screens (9) are fixedly mounted in a rectangular box (5), a plurality of activated carbon particles (10) are placed between the two filter screens (9), and filter cotton (8) and drying cotton (12) are respectively arranged on the left and right sides of the two filter screens (9).

4. The exhaust gas treatment device according to claim 1, characterized in that: The two locking mechanisms include two elastic plates (20), two locking rods (27) are fixedly mounted on the outer sides of the two elastic plates (20), two sliding holes (22) are provided on the inner walls of both sides of the groove (18), the sliding holes (22) are connected with the corresponding rectangular grooves (25), the locking rods (27) are slidably connected with the inner walls of the sliding holes (22), and two locking grooves (26) are provided on the rectangular strip (24), and the locking rods (27) are clamped with the locking grooves (26).

5. The exhaust gas treatment device according to claim 4, characterized in that: A tension spring (23) is sleeved on the outer side of the locking rod (27), one end of the tension spring (23) is fixedly mounted on the inner wall of the groove (18), and the other end of the tension spring (23) is fixedly mounted on the elastic plate (20).

6. The exhaust gas treatment device according to claim 4, characterized in that: Two slide bars (19) are fixedly mounted on the inner wall of the groove (18), two elastic plates (20) are slidably mounted on the outer sides of the two slide bars (19), and handle bars (21) are fixedly mounted on the tops of the two elastic plates (20).

7. The exhaust gas treatment device according to claim 1, characterized in that: A mounting hole (28) is provided on the top of the rectangular air duct (1), and the rectangular box (5) is movably connected to the mounting hole (28).

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