Chemical spray tower for waste gas treatment

Abstract

The utility model discloses a chemical spray tower for waste gas treatment, which comprises a spray tower main body, the spray tower main body consists of a waste liquid reaction tank, a spray bin, an atomization reaction bin and a drying and filtering bin, and steel wire mesh interlayers are arranged at joints of the waste liquid reaction tank, the spray bin, the atomization reaction bin and the drying and filtering bin. A gas inlet pipe opening is formed in one side of the inner wall of the waste liquid reaction tank; the spraying bin, the atomization reaction bin and the drying and filtering bin are arranged in a matched mode for purifying waste gas layer by layer, so that the waste gas is fully reacted and purified when sequentially entering the spraying bin, the atomization reaction bin and the drying and filtering bin, and the spraying pipe and the atomization support are arranged in a matched mode, so that pollution gas in the waste gas is firstly sprayed and purified and then fully reacts with chemical-added atomized gas; pollution gas in the waste gas is more fully purified; a reaction filler layer, a dust impurity filtering layer, a partition plate and a conical gas inlet are matched, so that the waste gas is dispersed and enters the inner side of the spraying bin to be sprayed, purified and contacted more sufficiently.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a chemical spray tower for waste gas treatment. Background Art

[0002] If industrial waste gas is discharged directly into the atmosphere without treatment, it will cause air pollution, lead to environmental damage, and bring serious harm to human health. Therefore, it is necessary to purify its chemical waste gas.

[0003] As disclosed in the utility model with the authorization announcement number CN219615199U, the exhaust gas is finely filtered. This prior art also has the following problems when used: the contact time of the finely treated exhaust gas entering the spraying process is short, and the exhaust gas treatment is not thorough. For this reason, we propose a chemical spray tower for exhaust gas treatment. Summary of the invention

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a chemical spray tower for waste gas treatment, in which a spray chamber, an atomization reaction chamber, and a drying and filtering chamber are arranged in a coordinated manner to purify the waste gas layer by layer, so that the waste gas is fully reacted and purified when entering the spray chamber, the atomization reaction chamber, and the drying and filtering chamber in sequence. The spray pipe and the atomization bracket are arranged in a coordinated manner, and the polluted gas in the waste gas is first sprayed and purified and then fully reacted with the doped atomized gas, so that the polluted gas in the waste gas is purified more fully; the reaction filler layer, the dust and impurity filter layer, the partition, and the conical air inlet are arranged in a coordinated manner, so that the waste gas is dispersed and enters the inner side of the spray chamber for spray purification and contact more fully.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a chemical spray tower for waste gas treatment, comprising a spray tower body, the spray tower body is composed of a waste liquid reaction tank, a spray chamber, an atomization reaction chamber, and a drying and filtering chamber, the waste liquid reaction tank, the spray chamber, the atomization reaction chamber, and the drying and filtering chamber are connected with a steel wire mesh partition, one side of the inner wall of the waste liquid reaction tank is provided with an air inlet, the top surface of the steel wire mesh partition provided at the connection between the waste liquid reaction tank and the spray chamber is provided with a dust and impurity filter layer, the top of the dust and impurity filter layer is provided with a partition, and the surface of the partition is provided with a A conical air inlet is provided, a spray pipe is provided on the top of the partition, an atomization bracket is provided on the top of the spray pipe, the atomization bracket is located at the bottom end of the wire mesh interlayer provided at the connection between the spray bin and the atomization reaction bin, the atomization bracket is composed of a branch pipe and an atomization outlet head, a main pipe is provided at one end of the atomization bracket, an atomizer is provided at one end of the main pipe, a dosing water tank is provided on one side of the atomizer, a reaction filler layer is provided on the top surface of the wire mesh interlayer provided at the connection between the spray bin and the atomization reaction bin and the top surface of the partition, and a purified gas outlet is provided on the top of the drying and filtering bin.

[0006] As an optimal technical solution of the utility model, an equipment box is provided on the outside of the spray tower body, a spiral stirring rod is provided on the inside of the waste liquid reaction tank, a sealing plug is provided on the surface of the spiral stirring rod, and the sealing plug is fixed to the inner wall of the spray tower body, a motor is provided at one end of the spiral stirring rod, a water level detection head is provided on the inside of the waste liquid reaction tank, the water level detection head is located at the bottom of the air inlet pipe, an exhaust fan is provided at one end of the air inlet pipe, an air intake pipe is provided on one side of the exhaust fan, the motor and the exhaust fan are located inside the equipment box, and the air intake pipe passes through the equipment box and extends to the outside of the equipment box.

[0007] As a preferred technical solution of the utility model, a sloped bottom plate is arranged on the inner side of the bottom end of the spray tower body, and a water outlet is arranged on the surface of one side of the spray tower body close to the lower part of the sloped bottom plate.

[0008] As a preferred technical solution of the utility model, a downcomer is provided on one side surface of the partition, and the bottom end of the downcomer is located inside the waste liquid reaction tank.

[0009] As a preferred technical solution of the utility model, a high-pressure water pump is provided at one end of the spray pipe, and the high-pressure water pump is connected to the dosing water tank through a pipeline.

[0010] As a preferred technical solution of the utility model, transparent observation windows are respectively provided on the surface of one side of the outer wall of the spray tower body close to the spray chamber, the atomization reaction chamber, and the drying and filtering chamber.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. The spray chamber, atomization reaction chamber, and drying and filtering chamber are used to purify the waste gas layer by layer, so that the waste gas can be fully reacted and purified when entering the spray chamber, atomization reaction chamber, and drying and filtering chamber in turn. The spray pipe and atomization bracket are used to purify the polluted gas in the waste gas firstly through spray purification and then fully react with the dosing atomization gas, so that the polluted gas in the waste gas can be purified more fully. The reaction packing layer, dust and impurity filter layer, partition, and conical air inlet are used to disperse the waste gas into the spray chamber for spray purification, so that the contact is more sufficient.

[0013] 2. Through the combination of the spiral stirring rod, the motor and the water level detection head, the waste water enters the waste liquid reaction tank after the waste gas is sprayed. The motor rotates to drive the spiral stirring rod to stir and spray the accumulated liquid so that the pollutants in the waste gas can fully react inside the waste liquid reaction tank. Through the combination of the inclined bottom plate and the water outlet, the waste water in the waste liquid reaction tank can be completely discharged. Through the combination of the spray pipe and the high-pressure water pump, the spray liquid at the bottom of the spray pipe can be sprayed more evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the top view structure of the conical air inlet of the utility model.

[0016] Figure 3 It is a schematic diagram of the top view of the structure of the atomizing air outlet bracket of the utility model.

[0017] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0018] Among them: 1. Spray tower body; 2. Waste liquid reaction tank; 3. Air inlet; 4. Spray chamber; 5. Atomization reaction chamber; 6. Drying and filtering chamber; 7. Wire mesh interlayer; 8. Reaction filler layer; 9. Dust and impurity filtration layer; 10. Partition; 11. Conical air inlet; 12. Spray pipe; 13. Atomization bracket; 14. Atomizer; 15. Dosing water tank; 16. High-pressure water pump; 17. Inclined bottom plate; 18. Water outlet; 19. Spiral stirring rod; 20. Equipment box; 21. Motor; 22. Exhaust fan; 23. Air inlet pipe; 24. Drain pipe; 25. Purified air outlet; 26. Atomization outlet head; 27. Branch pipe; 28. Main pipe; 29. ​​Sealing plug; 30. Water level detection head. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention. Example

[0020] Please refer to Figure 1 , Figure 2 , Figure 3As shown, the utility model provides a chemical spray tower for waste gas treatment, including a spray tower body 1, which is composed of a waste liquid reaction tank 2, a spray chamber 4, an atomization reaction chamber 5, and a drying and filtering chamber 6. The waste liquid reaction tank 2, the spray chamber 4, the atomization reaction chamber 5, and the drying and filtering chamber 6 are connected with a steel wire mesh partition 7, and an air inlet 3 is arranged on one side of the inner wall of the waste liquid reaction tank 2. A dust impurity filter layer 9 is arranged on the top surface of the steel wire mesh partition 7 arranged at the connection between the waste liquid reaction tank 2 and the spray chamber 4, and a partition 10 is arranged on the top of the dust impurity filter layer 9. A conical air inlet 11 is arranged on the surface of the partition 10. 0 is provided with a spray pipe 12 at the top, and an atomizing bracket 13 is provided at the top of the spray pipe 12. The atomizing bracket 13 is located at the bottom of the steel mesh interlayer 7 provided at the connection between the spray bin 4 and the atomizing reaction bin 5. The atomizing bracket 13 is composed of a branch pipe 27 and an atomizing gas outlet head 26. A main pipe 28 is provided at one end of the atomizing bracket 13, and an atomizing machine 14 is provided at one end of the main pipe 28. A dosing water tank 15 is provided on one side of the atomizing machine 14. The top surface of the steel mesh interlayer 7 provided at the connection between the spray bin 4 and the atomizing reaction bin 5 and the top surface of the partition 10 are both provided with a reactive filler layer 8. A purified gas outlet 25 is provided at the top of the drying and filtering bin 6.

[0021] The spray chamber 4, the atomizing reaction chamber 5, and the drying and filtering chamber 6 are arranged to purify the exhaust gas layer by layer, so that the exhaust gas is fully reacted and purified when entering the spray chamber 4, the atomizing reaction chamber 5, and the drying and filtering chamber 6 in sequence. The spray pipe 12 and the atomizing bracket 13 are arranged in combination, and the polluted gas in the exhaust gas is first sprayed and purified and then fully reacted with the dosing atomizing gas, so that the polluted gas in the exhaust gas is treated more fully; the reaction packing layer 8, the dust and impurity filter layer 9, the partition 10, and the conical air inlet 11 are arranged in combination, so that the exhaust gas is dispersed and enters the spray chamber 4 inside for spray purification and contact more fully.

[0022] like Figure 1 , Figure 4 As shown, an equipment box 20 is arranged on the outside of the spray tower body 1, a spiral stirring rod 19 is arranged on the inside of the waste liquid reaction tank 2, a sealing plug 29 is sleeved on the surface of the spiral stirring rod 19, and the sealing plug 29 is fixed to the inner wall of the spray tower body 1, a motor 21 is arranged at one end of the spiral stirring rod 19, a water level detection head 30 is arranged on the inside of the waste liquid reaction tank 2, the water level detection head 30 is located at the bottom of the air inlet pipe 3, an exhaust fan 22 is arranged at one end of the air inlet pipe 3, an air inlet pipe 23 is arranged on one side of the exhaust fan 22, the motor 21 and the exhaust fan 22 are located on the inside of the equipment box 20, and the air inlet pipe 23 runs through the equipment box 20 and extends to the outside of the equipment box 20; through the matching arrangement of the spiral stirring rod 19, the motor 21, and the water level detection head 30, the waste water enters the inside of the waste liquid reaction tank 2 after the waste gas is sprayed, and the spiral stirring rod 19 is driven by the rotation of the motor 21 to stir and spray the accumulated liquid so that the pollutants in the waste gas are fully reacted inside the waste liquid reaction tank 2.

[0023] like Figure 1 As shown, a sloped bottom plate 17 is provided on the inner side of the bottom end of the spray tower body 1, and a water outlet 18 is provided on the surface of one side of the spray tower body 1 close to the lower side of the sloped bottom plate 17; through the matching arrangement of the sloped bottom plate 17 and the water outlet 18, the waste water in the waste liquid reaction tank 2 can be completely discharged.

[0024] like Figure 1 , Figure 2 As shown, a downcomer 24 is provided on one side surface of the partition 10, and the bottom end of the downcomer 24 is located inside the waste liquid reaction tank 2; by arranging the bottom end of the downcomer 24 inside the waste liquid reaction tank 2, the sprayed liquid of the spray pipe 12 enters the inside of the waste liquid reaction tank 2 for collection and reaction.

[0025] like Figure 1 As shown, a high-pressure water pump 16 is provided at one end of the spray pipe 12, and the high-pressure water pump 16 is connected to the dosing water tank 15 through a pipeline; through the combination of the spray pipe 12 and the high-pressure water pump 16, the spray liquid at the bottom of the spray pipe 12 is sprayed more evenly.

[0026] like Figure 1 As shown, transparent observation windows are respectively arranged on one side of the outer wall of the spray tower body 1 close to the spray chamber 4, the atomization reaction chamber 5, and the drying and filtering chamber 6; by arranging the transparent observation windows, it is convenient for personnel to observe the reaction conditions.

[0027] Specific working principle:

[0028] The waste gas enters the air intake pipe 23, is sucked in by the exhaust fan 22, and is discharged through the air intake pipe port 3. At this time, the waste gas passes through the wire mesh partition 7 and enters the inner side of the dust and impurity filter layer 9 for filtration, and then enters the inner side of the spray bin 4 through the conical air inlet 11 for spray purification treatment. The purified waste gas enters the inner side of the atomization reaction bin 5 for atomization fusion reaction. The reacted gas enters the inner side of the drying filter bin 6 for filtration and is discharged through the purified gas outlet 25.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A chemical spray tower for waste gas treatment, comprising a spray tower body (1), characterized in that: The spray tower body (1) is composed of a waste liquid reaction tank (2), a spray chamber (4), an atomization reaction chamber (5), and a drying and filtering chamber (6); the waste liquid reaction tank (2), the spray chamber (4), the atomization reaction chamber (5), and the drying and filtering chamber (6) are connected at a steel wire mesh partition (7); an air inlet (3) is provided on one side of the inner wall of the waste liquid reaction tank (2); a dust impurity filter layer (9) is provided on the top surface of the steel wire mesh partition (7) provided at the connection between the waste liquid reaction tank (2) and the spray chamber (4); a partition (10) is provided on the top of the dust impurity filter layer (9); a conical air inlet (11) is provided on the surface of the partition (10); a spray pipe (12) is provided on the top of the partition (10); and the spray pipe ( 12) is provided with an atomizing bracket (13) at the top, the atomizing bracket (13) is located at the bottom of a steel mesh partition (7) provided at the connection between the spray chamber (4) and the atomizing reaction chamber (5), the atomizing bracket (13) is composed of a branch pipe (27) and an atomizing gas outlet head (26), one end of the atomizing bracket (13) is provided with a main pipe (28), one end of the main pipe (28) is provided with an atomizing machine (14), one side of the atomizing machine (14) is provided with a dosing water tank (15), the top surface of the steel mesh partition (7) provided at the connection between the spray chamber (4) and the atomizing reaction chamber (5) and the top surface of the partition (10) are both provided with a reactive filler layer (8), and the top of the drying and filtering chamber (6) is provided with a purified gas outlet (25).

2. A chemical spray tower for waste gas treatment according to claim 1, characterized in that: An equipment box (20) is arranged outside the spray tower body (1), a spiral stirring rod (19) is arranged inside the waste liquid reaction tank (2), a sealing plug (29) is sleeved on the surface of the spiral stirring rod (19), and the sealing plug (29) is fixed to the inner wall of the spray tower body (1), a motor (21) is arranged at one end of the spiral stirring rod (19), a water level detection head (30) is arranged inside the waste liquid reaction tank (2), and the water level detection head (30) is located at the bottom end of the air inlet pipe (3), an exhaust fan (22) is arranged at one end of the air inlet pipe (3), and an air inlet pipe (23) is arranged on one side of the exhaust fan (22), the motor (21) and the exhaust fan (22) are located inside the equipment box (20), and the air inlet pipe (23) passes through the equipment box (20) and extends to the outside of the equipment box (20).

3. A chemical spray tower for waste gas treatment according to claim 1, characterized in that: A sloped bottom plate (17) is provided on the inner side of the bottom end of the spray tower body (1), and a water outlet (18) is provided on the surface of one side of the spray tower body (1) close to the lower side of the sloped bottom plate (17).

4. A chemical spray tower for waste gas treatment according to claim 1, characterized in that: A downcomer (24) is provided on one side surface of the partition (10), and the bottom end of the downcomer (24) is located inside the waste liquid reaction tank (2).

5. The chemical spray tower for waste gas treatment according to claim 1, characterized in that: A high-pressure water pump (16) is provided at one end of the spray pipe (12), and the high-pressure water pump (16) is connected to the dosing water tank (15) through a pipeline.

6. A chemical spray tower for waste gas treatment according to claim 1, characterized in that: Transparent observation windows are respectively provided on the surface of one side of the outer wall of the spray tower body (1) close to the spray chamber (4), the atomization reaction chamber (5), and the drying and filtering chamber (6).

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