Spraying device for waste gas treatment

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to a waste gas treatment spraying device, which is characterized in that when the waste gas treatment spraying device is used, alkaline washing water is contained in a cavity, waste gas is dispersed into the bottom of the cavity by a gas inlet assembly, and a spraying assembly is started, so that the ascending waste gas is secondarily washed by the alkaline washing water above Pall ring packing; the treatment efficiency is improved; comprising a spraying box, supporting legs, a filter screen and Pall ring packing, the supporting legs are arranged at the bottom end of the spraying box, a cavity is formed in the spraying box, a protruding part is arranged at the right end of the spraying box, the protruding part is communicated with the cavity, the filter screen is arranged between the protruding part and the cavity, and the Pall ring packing is arranged in the cavity. A spraying assembly and an air inlet assembly are arranged in the cavity, the spraying assembly is arranged above the Pall ring packing, the air inlet assembly is arranged below the Pall ring packing, and a liquid discharging assembly is arranged at the front end of the spraying box.

Description

Technical Field

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

[0002] Waste gas treatment mainly refers to the work of treating industrial waste gases generated in industrial sites, such as dust particles, flue gas soot, odor gases, and toxic and harmful gases. Common waste gas purification includes factory soot waste gas purification, workshop dust waste gas purification, organic waste gas purification, inorganic waste gas purification, waste gas odor purification, acid-base waste gas purification, chemical waste gas purification, etc. Among them, inorganic waste gas generally adopts the method of liquid spraying, so that the harmful substances in the inorganic waste gas are dissolved in the liquid, so as to achieve the purpose of separating the harmful substances from the gas.

[0003] In the prior art, a patent document with the publication number of CN212119483U discloses a spraying device for waste gas treatment, including a spraying box. The bottom of the inner cavity of the spraying box is fixedly connected with a liquid storage box. The top of the inner cavity of the liquid storage box is fixedly connected with a filter screen. The bottom of the left side of the spraying box is communicated with an air inlet pipe. The middle part of the inner cavity of the spraying box is horizontally fixedly connected with a first mesh plate. The center of the top of the first mesh plate is fixedly connected with a protective shell. The center of the bottom of the first mesh plate is fixedly connected with a driving motor.

[0004] During the use process, it is found that the waste gas of the above device enters the inside of the spraying box through the air inlet pipe, and the waste gas can only passively contact the alkaline washing water through the spiral blades, resulting in a low sufficiency of the dispersed contact between the waste gas and the alkaline washing water. Content of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a waste gas treatment spraying device that improves the sufficiency of contact between waste gas and alkaline washing water.

[0006] An exhaust gas treatment spray device of the utility model includes a spray box, legs, a filter screen and Pall ring packing. Legs are arranged at the bottom end of the spray box. A chamber is arranged inside the spray box. A convex part is arranged at the right end of the spray box. The convex part communicates with the chamber. A filter screen is arranged between the convex part and the chamber. Pall ring packing is arranged in the chamber. It also includes an air inlet component, a spray component and a liquid discharge component. The spray component and the air inlet component are respectively arranged in the chamber. The spray component is above the Pall ring packing, and the air inlet component is below the Pall ring packing. A liquid discharge component is arranged at the front end of the spray box. When in use, alkaline washing water is contained in the chamber. The air inlet component disperses the exhaust gas into the bottom of the chamber. Then the dispersed exhaust gas contacts the alkaline washing water. At the same time, the air inlet component mixes and stirs the alkaline washing water, so that the exhaust gas and the alkaline washing water are further contacted. Then the exhaust gas rises through the Pall ring packing. The spray component is started, so that the alkaline washing water sprays the rising exhaust gas again above the Pall ring packing, improving the treatment efficiency.

[0007] Preferably, the air inlet component includes a support frame, a protective shell, a hollow rotating shaft, a spiral blade, a hollow rod, a jet head, a rotary joint, an air inlet pipe and a fixing rod. A support frame is arranged in the chamber. A protective shell is arranged at the top end of the support frame. A motor is arranged inside the protective shell. The output end of the motor is connected to the top end of the hollow rotating shaft. The bottom end of the hollow rotating shaft extends below the spray box and is rotationally communicated with the output end of the air inlet pipe through a rotary joint. A fixing rod is arranged between the air inlet pipe and the spray box. A spiral blade and multiple groups of hollow rods are installed on the hollow rotating shaft. Multiple groups of hollow rods communicate with the hollow rotating shaft. Multiple groups of jet heads are respectively arranged on each group of hollow rods. The motor is started, so that the hollow rotating shaft drives the spiral blade and multiple groups of hollow rods to rotate. The exhaust gas enters the inside of the hollow rotating shaft through the air inlet pipe and the rotary joint and is dispersed and discharged through multiple groups of hollow rods and jet heads, so that the exhaust gas contacts the alkaline washing water. At the same time, the spiral blade mixes and stirs the exhaust gas and the alkaline washing water, further improving the contact between the alkaline washing water and the exhaust gas and improving the treatment efficiency.

[0008] Preferably, the spray component includes a water pump, a water inlet pipe, a spray pipe rack, a spray head and a spray valve. A water pump is arranged at the top end of the convex part. The input end of the water pump is communicated with the output end of the convex part. The output end of the water pump is provided with a water inlet pipe. A spray pipe rack is installed in the chamber. The output end of the water inlet pipe is communicated with the input end of the spray pipe rack. Multiple groups of spray heads are arranged at the bottom end of the spray pipe rack. A spray valve is arranged on the water inlet pipe. The water pump is started and the spray valve is opened, so that the alkaline washing water at the bottom of the chamber enters the inside of the spray pipe rack through the water inlet pipe. The alkaline washing water entering the inside of the spray pipe rack sprays the rising exhaust gas again through multiple groups of spray heads.

[0009] Preferably, it further includes a return water pipe, a return water valve and a cleaning pipe. The input end of the return water pipe is communicated with the outer side wall of the water inlet pipe. A return water valve is installed on the return water pipe. The output end of the return water pipe extends into the chamber and is communicated with the input end of the cleaning pipe. Multiple groups of water outlet holes are arranged at the bottom end of the cleaning pipe. When alkaline washing water and waste gas impurities need to be discharged, the spray valve is closed and the return water valve is opened. The alkaline washing water flushes the inside of the chamber, so that the alkaline washing water and waste gas impurities are discharged through the liquid discharge assembly, improving convenience.

[0010] Preferably, the liquid discharge assembly includes a drain pipe and a drain valve. A drain pipe is arranged at the front end of the spray box, and a drain valve is installed on the drain pipe. When draining liquid, the drain valve is opened, so that waste gas impurities and alkaline washing water are discharged through the drain pipe.

[0011] Preferably, it further includes a base, and a group of bases are respectively arranged at the bottom ends of each group of legs. The multiple groups of bases and the multiple groups of legs cooperate with each other to stably support the spray box, improving stability.

[0012] Preferably, the filter screen is made of stainless steel.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: When in use, alkaline washing water is contained in the chamber. The air inlet assembly disperses the waste gas into the bottom of the chamber. Then the dispersed waste gas contacts the alkaline washing water. At the same time, the air inlet assembly mixes and stirs the alkaline washing water, so that the waste gas and the alkaline washing water are further contacted. Then the waste gas rises through the Pall ring packing. The spray assembly is started, so that the alkaline washing water washes the rising waste gas above the Pall ring packing, improving the treatment efficiency. Description of the Drawings

[0014] Figure 1 is the axonometric structure schematic diagram of the present utility model;

[0015] Figure 2 is Figure 1 the partial enlarged structure schematic diagram of part A in

[0016] Figure 3 is the sectional structure schematic diagram of the present utility model;

[0017] Figure 4 is the enlarged structure schematic diagram of structures such as the hollow rotating shaft and the hollow rod;

[0018] Figure 5 is the enlarged structure schematic diagram of structures such as the spray pipe rack and the water pump.

[0019] Labels in the drawings: 1. Spray box; 2. Leg; 3. Filter screen; 4. Pall ring packing; 5. Support frame; 6. Protective shell; 8. Hollow rotating shaft; 9. Spiral blade; 10. Hollow rod; 11. Jet head; 12. Rotary joint; 13. Inlet pipe; 14. Fixed rod; 15. Water pump; 16. Inlet pipe; 17. Spray pipe rack; 18. Spray head; 19. Spray valve; 20. Return pipe; 21. Return valve; 22. Cleaning pipe; 23. Drain pipe; 24. Drain valve; 25. Base. Detailed implementation mode

[0020] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0021] Embodiment 1

[0022] An exhaust gas treatment spray device of the present utility model, as Figure 1 and Figure 3 shown, includes a spray box 1, legs 2, a filter screen 3 and pall ring packing 4. Legs 2 are provided at the bottom end of the spray box 1. A chamber is provided inside the spray box 1. A protruding part is provided at the right end of the spray box 1. The protruding part communicates with the chamber. A filter screen 3 is provided between the protruding part and the chamber. Pall ring packing 4 is provided in the chamber. It further includes an air inlet assembly, a spray assembly and a liquid discharge assembly. The spray assembly and the air inlet assembly are respectively provided in the chamber. The spray assembly is above the pall ring packing 4, and the air inlet assembly is below the pall ring packing 4. A liquid discharge assembly is provided at the front end of the spray box 1;

[0023] As Figure 3 and Figure 4 shown, the air inlet assembly includes a support frame 5, a protective shell 6, a hollow rotating shaft 8, spiral blades 9, hollow rods 10, jet heads 11, a rotary joint 12, an inlet pipe 13 and a fixed rod 14. A support frame 5 is provided in the chamber. A protective shell 6 is provided at the top end of the support frame 5. A motor is provided inside the protective shell 6. The output end of the motor is connected to the top end of the hollow rotating shaft 8. The bottom end of the hollow rotating shaft 8 extends below the spray box 1 and is rotationally communicated with the output end of the inlet pipe 13 through the rotary joint 12. A fixed rod 14 is provided between the inlet pipe 13 and the spray box 1. Spiral blades 9 and multiple groups of hollow rods 10 are installed on the hollow rotating shaft 8. Multiple groups of hollow rods 10 communicate with the hollow rotating shaft 8. Multiple groups of jet heads 11 are respectively provided on each group of hollow rods 10;

[0024] As Figure 1 、 Figure 3 and Figure 5As shown in the figure, the spraying assembly includes a water pump 15, a water inlet pipe 16, a spraying pipe rack 17, spraying nozzles 18, and a spraying valve 19. The water pump 15 is arranged at the top end of the protruding part. The input end of the water pump 15 is communicated with the output end of the protruding part. The output end of the water pump 15 is provided with the water inlet pipe 16. The spraying pipe rack 17 is installed in the chamber. The output end of the water inlet pipe 16 is communicated with the input end of the spraying pipe rack 17. Multiple groups of spraying nozzles 18 are arranged at the bottom end of the spraying pipe rack 17. The spraying valve 19 is arranged on the water inlet pipe 16.

[0025] In this embodiment, the motor is started, so that the hollow rotating shaft 8 drives the spiral blade 9 and multiple groups of hollow rods 10 to rotate. The waste gas enters the inside of the hollow rotating shaft 8 through the air inlet pipe 13 and the rotary joint 12 and is dispersed and discharged through multiple groups of hollow rods 10 and the air jet nozzles 11, so that the waste gas contacts the alkaline washing water. At the same time, the spiral blade 9 mixes and stirs the waste gas and the alkaline washing water, further improving the contact between the alkaline washing water and the waste gas. The water pump 15 is started and the spraying valve 19 is opened, so that the alkaline washing water at the bottom of the chamber enters the inside of the spraying pipe rack 17 through the water inlet pipe 16. The alkaline washing water entering the inside of the spraying pipe rack 17 sprays the rising waste gas again through multiple groups of spraying nozzles 18.

[0026] Embodiment 2

[0027] An exhaust gas treatment spraying device of the present utility model, as Figure 1 and Figure 3 shown, includes a spraying box 1, legs 2, a filter screen 3, and Pall ring packings 4. The legs 2 are arranged at the bottom end of the spraying box 1. A chamber is arranged inside the spraying box 1. A protruding part is arranged at the right end of the spraying box 1. The protruding part is communicated with the chamber. A filter screen 3 is arranged between the protruding part and the chamber. Pall ring packings 4 are arranged in the chamber. It further includes an air inlet assembly, a spraying assembly, and a liquid discharge assembly. The spraying assembly and the air inlet assembly are respectively arranged in the chamber. The spraying assembly is above the Pall ring packings 4, and the air inlet assembly is below the Pall ring packings 4. A liquid discharge assembly is arranged at the front end of the spraying box 1;

[0028] As Figure 3 and Figure 4 shown, the air inlet assembly includes a support frame 5, a protective shell 6, a hollow rotating shaft 8, a spiral blade 9, hollow rods 10, air jet nozzles 11, a rotary joint 12, an air inlet pipe 13, and a fixing rod 14. The support frame 5 is arranged in the chamber. The protective shell 6 is arranged at the top end of the support frame 5. A motor is arranged inside the protective shell 6. The output end of the motor is connected to the top end of the hollow rotating shaft 8. The bottom end of the hollow rotating shaft 8 extends below the spraying box 1 and is rotationally communicated with the output end of the air inlet pipe 13 through the rotary joint 12. A fixing rod 14 is arranged between the air inlet pipe 13 and the spraying box 1. The spiral blade 9 and multiple groups of hollow rods 10 are installed on the hollow rotating shaft 8. Multiple groups of hollow rods 10 are all communicated with the hollow rotating shaft 8. Multiple groups of air jet nozzles 11 are respectively arranged on each group of hollow rods 10;

[0029] As Figure 1 , Figure 3 and Figure 5 shown, the spraying assembly includes a water pump 15, a water inlet pipe 16, a spraying pipe rack 17, spraying nozzles 18 and a spraying valve 19. The water pump 15 is arranged at the top end of the protruding part. The input end of the water pump 15 is communicated with the output end of the protruding part. The output end of the water pump 15 is provided with the water inlet pipe 16. The spraying pipe rack 17 is installed in the chamber. The output end of the water inlet pipe 16 is communicated with the input end of the spraying pipe rack 17. Multiple groups of spraying nozzles 18 are arranged at the bottom end of the spraying pipe rack 17. The spraying valve 19 is arranged on the water inlet pipe 16;

[0030] It further includes a water return pipe 20, a water return valve 21 and a cleaning pipe 22. The input end of the water return pipe 20 is communicated with the outer side wall of the water inlet pipe 16. The water return valve 21 is installed on the water return pipe 20. The output end of the water return pipe 20 extends into the chamber and is communicated with the input end of the cleaning pipe 22. Multiple groups of water outlet holes are arranged at the bottom end of the cleaning pipe 22;

[0031] The liquid discharge assembly includes a drain pipe 23 and a drain valve 24. The drain pipe 23 is arranged at the front end of the spraying tank 1. The drain valve 24 is installed on the drain pipe 23.

[0032] In this embodiment, the motor is started, so that the hollow rotating shaft 8 drives the spiral blade 9 and multiple groups of hollow rods 10 to rotate. The waste gas enters the inside of the hollow rotating shaft 8 through the air inlet pipe 13 and the rotary joint 12 and is dispersed and discharged through multiple groups of hollow rods 10 and the jet heads 11, so that the waste gas contacts the alkaline washing water. At the same time, the spiral blade 9 mixes and stirs the waste gas and the alkaline washing water, further improving the contact between the alkaline washing water and the waste gas. The water pump 15 is started and the spraying valve 19 is opened, so that the alkaline washing water at the bottom of the chamber enters the inside of the spraying pipe rack 17 through the water inlet pipe 16. The alkaline washing water entering the inside of the spraying pipe rack 17 sprays the rising waste gas again through multiple groups of spraying nozzles 18. When the alkaline washing water and the waste gas impurities need to be discharged, the spraying valve 19 is closed and the water return valve 21 is opened. The alkaline washing water flushes the inside of the chamber, so that the alkaline washing water and the waste gas impurities are discharged through the drain pipe 23.

[0033] In an exhaust gas treatment spraying device of the present utility model, an exhaust hole is arranged at the top end of the spraying tank 1; the Pall ring packing 4, the motor and the water pump 15 of an exhaust gas treatment spraying device of the present utility model are purchased on the market. Those skilled in the art only need to install and operate according to the attached operation instructions, without the need for those skilled in the art to perform creative labor.

[0034] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. An exhaust gas treatment spray device, comprising a spray box (1), a support leg (2), a filter screen (3) and a ball ring filler (4), wherein the bottom end of the spray box (1) is provided with a support leg (2), a chamber is provided inside the spray box (1), a protrusion is provided at the right end of the spray box (1), the protrusion is communicated with the chamber, a filter screen (3) is provided between the protrusion and the chamber, and a ball ring filler (4) is provided in the chamber, characterized in that: It also includes an air intake assembly, a spray assembly and a liquid discharge assembly. The spray assembly and the air intake assembly are respectively arranged in the chamber. The spray assembly is above the ball ring filler (4), and the air intake assembly is below the ball ring filler (4). The liquid discharge assembly is arranged at the front end of the spray box (1).

2. The waste gas treatment spray device according to claim 1, characterized in that: The air intake assembly comprises a support frame (5), a protective shell (6), a hollow rotating shaft (8), a spiral blade (9), a hollow rod (10), an air jet head (11), a rotating joint (12), an air intake pipe (13) and a fixed rod (14). The support frame (5) is arranged in the chamber. The top of the support frame (5) is provided with a protective shell (6). A motor is arranged inside the protective shell (6). The output end of the motor is connected to the top of the hollow rotating shaft (8). The bottom end of the hollow rotating shaft (8) extends to the bottom of the spray box (1) and is rotatably connected to the output end of the air intake pipe (13) through the rotating joint (12). A fixed rod (14) is arranged between the air intake pipe (13) and the spray box (1). The spiral blade (9) and a plurality of groups of hollow rods (10) are installed on the hollow rotating shaft (8). The plurality of groups of hollow rods (10) are all connected to the hollow rotating shaft (8). A plurality of groups of air jet heads (11) are respectively arranged on each group of hollow rods (10).

3. The waste gas treatment spray device according to claim 1, characterized in that: The spray assembly comprises a water pump (15), a water inlet pipe (16), a spray pipe rack (17), a spray head (18) and a spray valve (19); a water pump (15) is arranged at the top of the protruding portion; an input end of the water pump (15) is connected to an output end of the protruding portion; a water inlet pipe (16) is arranged at the output end of the water pump (15); a spray pipe rack (17) is installed in the chamber; an output end of the water inlet pipe (16) is connected to an input end of the spray pipe rack (17); a plurality of groups of spray heads (18) are arranged at the bottom end of the spray pipe rack (17); and a spray valve (19) is arranged on the water inlet pipe (16).

4. The waste gas treatment spraying device according to claim 3, characterized in that: The invention also comprises a water return pipe (20), a water return valve (21) and a cleaning pipe (22); the input end of the water return pipe (20) is connected to the outer wall of the water inlet pipe (16); the water return valve (21) is installed on the water return pipe (20); the output end of the water return pipe (20) extends into the chamber and is connected to the input end of the cleaning pipe (22); and a plurality of water outlet holes are arranged at the bottom end of the cleaning pipe (22).

5. The waste gas treatment spray device according to claim 1, characterized in that: The liquid drainage component comprises a drainage pipe (23) and a drainage valve (24). The front end of the spray box (1) is provided with a drainage pipe (23), and the drainage valve (24) is installed on the drainage pipe (23).

6. The waste gas treatment spray device according to claim 1, characterized in that: It also comprises a base (25), and a group of bases (25) are respectively arranged at the bottom end of each group of legs (2).

7. The waste gas treatment spray device according to claim 1, characterized in that: The filter screen (3) is made of stainless steel.

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