Layered spraying device for organic waste gas treatment

Abstract

The utility model discloses a layered spraying device for organic waste gas treatment, which comprises a shell, a gas-liquid diverter, a water collecting tank, a spraying pipe and a water tank, the interior of the shell is divided into a gas inlet tower body, at least two stages of spraying tower bodies and a gas exhaust tower body from bottom to top, and the spraying tower bodies are arranged in an upper-and-lower laminated manner; the spraying pipes and the gas-liquid diverters are arranged in the spraying tower bodies from top to bottom, the water collecting tanks are arranged around the gas-liquid diverters, the number of the water tanks is the same as that of the spraying tower bodies, the spraying pipes are connected with the corresponding water tanks through liquid conveying pipes, the water collecting tanks are provided with backflow ports, and the backflow ports are communicated with the spraying tower bodies. And the backflow port penetrates out of the shell and is connected with the corresponding water tank through a backflow pipe. According to the utility model, the spraying liquid at the uppermost level can be kept clean to a certain degree, the spraying liquid at each level can be replaced in a targeted manner, and the amount of the spraying liquid replaced each time is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment equipment, in particular to a layered spraying device for treating organic waste gas. Background Art

[0002] Organic waste gas mainly comes from waste gas discharged during industrial production. If untreated organic waste gas is discharged into the air, it will not only pollute the environment but also affect human health. Therefore, it is necessary to purify the organic waste gas. Spray tower is a commonly used gas purification equipment, which is used for pre-treatment of industrial organic waste gas treatment, waste gas purification, dust removal, etc. The existing spray tower has a large amount of water to be replaced each time, and the top layer of spray liquid has poor water quality, which affects subsequent treatment. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art and to provide a stratified spraying device for organic waste gas treatment, which can maintain a certain cleanliness of the spraying liquid of the top layer, can replace the spraying liquid of each layer in a targeted manner, and reduce the amount of spraying liquid replaced each time.

[0004] The utility model is realized through the following technical scheme: a stratified spray device for treating organic waste gas, comprising a shell, a gas-liquid diverter, a water collecting tank, a spray pipe, and a water tank. The shell is divided into an air intake tower body, a spray tower body, and an exhaust tower body from bottom to top. The spray tower body is provided with at least two levels and the upper and lower levels are stacked. The spray pipe and the gas-liquid diverter are arranged from top to bottom in the spray tower body. The water collecting tank is arranged around the gas-liquid diverter. The number of the water tanks is the same as the number of the spray tower bodies. The spray pipe is connected to the corresponding water tank through a liquid infusion pipe. The water collecting tank is provided with a reflux port, and the reflux port passes through the shell. The reflux port is connected to the corresponding water tank through a reflux pipe.

[0005] Furthermore: the gas-liquid splitter at each stage has the same structure, and is respectively composed of a plurality of gas-liquid splitter plates which are parallel to each other and arranged horizontally in parallel.

[0006] Furthermore: the shell is provided with a first-level spray tower body, a second-level spray tower body, and a third-level spray tower body which are stacked from bottom to top, the first-level spray pipe of the first-level spray tower body is connected to the first-level water tank through a first-level liquid infusion pipe, the first-level reflux port of the first-level spray tower is connected to the first-level water tank through a first-level reflux pipe, the second-level spray pipe of the second-level spray tower body is connected to the second-level water tank through a second-level liquid infusion pipe, the second-level reflux port of the second-level spray tower is connected to the second-level water tank through a second-level reflux pipe, the third-level spray pipe of the third-level spray tower body is connected to the third-level water tank through a third-level liquid infusion pipe, and the third-level reflux port of the third-level spray tower is connected to the third-level water tank through a third-level reflux pipe.

[0007] Furthermore: the gas-liquid diverter plate includes a vertical section, a horizontal section, an upward inclined section, and a downward inclined section connected in sequence from right to left, the downward inclined section of each gas-liquid diverter plate is located above the vertical section of the gas-liquid diverter plate adjacent to it, and a ventilation channel for exhaust gas to pass through is formed between the upward inclined section and the downward inclined section of each gas-liquid diverter plate and the vertical section of the gas-liquid diverter plate adjacent to it, a liquid guide groove is formed between the upward inclined section, the horizontal section, and the vertical section, and the two ends of the liquid guide groove are respectively connected to the water collecting tank.

[0008] Furthermore: the gas-liquid splitter plate is made of an integral metal material.

[0009] Furthermore: the first-level infusion tube is provided with a first-level water pump, the second-level infusion tube is provided with a second-level water pump, and the third-level infusion tube is provided with a third-level water pump.

[0010] Furthermore: the primary water tank, the secondary water tank, and the tertiary water tank are arranged in parallel on the bottom side of the shell.

[0011] Furthermore: the water collecting trough includes an outer plate, an inner plate, and a bottom plate, the inner plate is located inside the outer plate, the bottom plate is connected between the bottom of the outer plate and the bottom of the inner plate to form a square trough, the gas-liquid diverter plate is arranged in the inner plate, and the two ends of the liquid guide trough are respectively connected to the square trough, and the reflux port is arranged on the outer plate and connected to the square trough.

[0012] Furthermore: sealing plates are respectively arranged at both ends between two adjacent gas-liquid diversion plates, and the vertical section of one of the two adjacent gas-liquid diversion plates is connected to one side of the sealing plate, and the upward inclined section of the other one of the two adjacent gas-liquid diversion plates is connected to the other side of the sealing plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model arranges a multi-stage spray tower body in a shell body in a stacked manner from bottom to top, respectively arranges a spray pipe and a gas-liquid diverter from top to bottom in each stage of the spray tower body, arranges a water collecting tank around the gas-liquid diverter of each stage, the spray pipe in the spray tower body of each stage is connected to its corresponding water tank through a liquid infusion pipe, the water collecting tank in the spray tower body of each stage is connected to its corresponding water tank through a corresponding reflux port and a reflux pipe, each stage of the spray tower body collects the spray liquid in each stage of the spray tower body into the water collecting tank of each stage separately through the gas-liquid diverter therein, and the water in the water collecting tank of each stage is recycled into the corresponding water tank of each stage, thereby realizing the separate collection of the spray liquid in each stage of the spray tower body, which can ensure that the spray liquid of the top stage maintains a certain cleanliness, and the spray liquid of each stage can be replaced in a targeted manner without replacing all of them, thereby reducing the amount of spray liquid replaced each time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the first-stage spray tower body of the utility model;

[0017] Figure 3 It is a cross-sectional view of the secondary spray tower body of the utility model;

[0018] Figure 4 It is a cross-sectional view of the three-stage spray tower body of the utility model;

[0019] Figures 5 to 7 It is a structural schematic diagram of the gas-liquid diverter of the utility model;

[0020] Figure 8 It is a structural schematic diagram of the gas-liquid diverter and the water collecting tank of the utility model.

[0021] Description of the accompanying drawings: 1-shell, 2-gas-liquid diverter, 3-water collecting tank, 4-air inlet tower body, 5-exhaust tower body, 6-first-stage spray tower body, 7-second-stage spray tower body, 8-third-stage spray tower body, 9-first-stage spray pipe, 10-first-stage infusion pipe, 11-first-stage water tank, 12-first-stage reflux port, 13-first-stage reflux pipe, 14-second-stage spray pipe, 15-second-stage infusion pipe, 16-second-stage water tank, 17-second-stage reflux port, 18-second-stage reflux pipe, 19- Three-stage spray pipe, 20-three-stage infusion pipe, 21-three-stage water tank, 22-three-stage reflux port, 23-three-stage reflux pipe, 24-first-stage water pump, 25-second-stage water pump, 26-third-stage water pump, 27-gas-liquid diverter plate, 28-vertical section, 29-horizontal section, 30-upward inclined section, 31-downward inclined section, 32-ventilation channel, 33-liquid guide groove, 34-outer plate, 35-inner plate, 36-bottom plate, 37-square groove, 38-blocking plate. DETAILED DESCRIPTION

[0022] Figures 1 to 8 A schematic structural diagram of an embodiment of a stratified spray device for treating organic waste gas provided by the utility model comprises a shell 1, a gas-liquid diverter 2, a water collecting tank 3, a spray pipe, and a water tank. The shell 1 is divided into an air intake tower body 4, a spray tower body, and an exhaust tower body 5 from bottom to top. The spray tower body is provided with at least two levels and the upper and lower levels are stacked. The spray tower body is provided with a spray pipe and a gas-liquid diverter 2 from top to bottom. A water collecting tank 3 is provided around the gas-liquid diverter 2. The number of water tanks is the same as the number of spray tower bodies. The spray pipe is connected to its corresponding water tank through an infusion tube. The water collecting tank 3 is provided with a reflux port, and the reflux port passes through the shell 1. The reflux port is connected to its corresponding water tank through a reflux pipe.

[0023] A primary spray tower body 6, a secondary spray tower body 7, and a tertiary spray tower body 8 are arranged in a stacked manner from bottom to top in the shell 1. The primary spray pipe 9 of the primary spray tower body 6 is connected to the primary water tank 11 through a primary liquid infusion pipe 10, the primary reflux port 12 of the primary spray tower is connected to the primary water tank 11 through a primary reflux pipe 13, the secondary spray pipe 14 of the secondary spray tower body 7 is connected to the secondary water tank 16 through a secondary liquid infusion pipe 15, the secondary reflux port 17 of the secondary spray tower is connected to the secondary water tank 16 through a secondary reflux pipe 18, the tertiary spray pipe 19 of the tertiary spray tower body 8 is connected to the tertiary water tank 21 through a tertiary liquid infusion pipe 20, and the tertiary reflux port 22 of the tertiary spray tower is connected to the tertiary water tank 21 through a tertiary reflux pipe 23.

[0024] The primary infusion tube 10 is provided with a primary water pump 24 , the secondary infusion tube 15 is provided with a secondary water pump 25 , and the tertiary infusion tube 20 is provided with a tertiary water pump 26 .

[0025] The primary water tank 11 , the secondary water tank 16 , and the tertiary water tank 21 are arranged in parallel on the bottom side of the housing 1 .

[0026] During operation, the exhaust gas enters from the air inlet of the air inlet tower body 4, passes through the gas-liquid diverter 2 in the primary spray tower body 6, enters the secondary spray tower body 7, then passes through the gas-liquid diverter 2 in the secondary spray tower body 7, enters the tertiary spray tower body 8, and finally passes through the gas-liquid diverter 2 of the tertiary spray tower body 8, enters the exhaust tower body 5, and is discharged from the exhaust port outside the shell 1; in the process of the exhaust gas passing through the primary spray tower body 6, under the action of the primary water pump 24, The spray liquid in the primary water tank 11 is transported to the primary spray pipe 9 through the primary liquid delivery pipe 10. The primary spray pipe 9 sprays the spray liquid into the primary spray tower body 6 and falls on the gas-liquid diverter 2 in the primary spray tower body 6. The gas-liquid diverter 2 guides the spray liquid to the water collecting tank 3. The spray liquid in the water collecting tank 3 flows back to the primary water tank 11 from the primary reflux port 12 through the primary reflux pipe 13. Similarly, when the exhaust gas passes through the secondary spray tower body 7, Under the action of the secondary water pump 25, the spray liquid in the secondary water tank 16 is transported to the secondary spray pipe 14 through the secondary liquid delivery pipe 15. The secondary spray pipe 14 sprays the spray liquid into the secondary spray tower body 7 and falls on the gas-liquid diverter 2 in the secondary spray tower body 7. The gas-liquid diverter 2 guides the spray liquid to the water collection tank 3. The spray liquid in the water collection tank 3 flows back to the secondary water tank 16 from the secondary reflux port 17 through the secondary reflux pipe 18. After the exhaust gas passes through the third-stage spray During the tower body 8, under the action of the tertiary water pump 26, the spray liquid in the tertiary water tank 21 is transported to the tertiary spray pipe 19 through the tertiary liquid delivery pipe 20, and the tertiary spray pipe 19 sprays the spray liquid into the tertiary spray tower body 8 and falls on the gas-liquid diverter 2 in the tertiary spray tower body 8. The gas-liquid diverter 2 guides the spray liquid to the water collecting tank 3, and the spray liquid in the water collecting tank 3 flows back to the tertiary water tank 21 from the tertiary reflux port 22 through the tertiary reflux pipe 23.

[0027] The gas-liquid splitter 2 at each stage has the same structure, and is respectively composed of a plurality of gas-liquid splitter plates 27 which are parallel to each other and arranged horizontally in parallel.

[0028] The gas-liquid splitter plate 27 is made of metal material in one piece.

[0029] The gas-liquid diverter plate 27 includes a vertical section 28, a horizontal section 29, an upwardly inclined section 30, and an upwardly inclined section 31 which are connected in sequence from right to left. The upwardly inclined section 31 of each gas-liquid diverter plate 27 is located above the vertical section 28 of the gas-liquid diverter plate 27 adjacent thereto, and a ventilation channel 32 for exhaust gas to pass through is formed between the upwardly inclined section 30 and the upwardly inclined section 31 of each gas-liquid diverter plate 27 and the vertical section 28 of the gas-liquid diverter plate 27 adjacent thereto. A liquid guide groove 33 is formed between the upwardly inclined section 30, the horizontal section 29, and the vertical section 28, and both ends of the liquid guide groove 33 are respectively connected to the water collecting tank 3.

[0030] The water collecting trough 3 includes an outer plate 34, an inner plate 35, and a bottom plate 36. The inner plate 35 is located inside the outer plate 34. The bottom of the outer plate 34 and the bottom of the inner plate 35 are connected to the bottom plate 36 to form a square groove 37. The gas-liquid diverter plate 27 is arranged in the inner plate 35, and the two ends of the liquid guide groove 33 are respectively connected to the square groove 37. The reflux port is arranged on the outer plate 34 and is connected to the square groove 37.

[0031] Sealing plates 38 are respectively provided at both ends between two adjacent gas-liquid diverter plates 27, and the vertical section 28 of one of the two adjacent gas-liquid diverter plates 27 is connected to one side of the sealing plate 38, and the upward inclined section 30 of the other one of the two adjacent gas-liquid diverter plates 27 is connected to the other side of the sealing plate 38.

[0032] The exhaust gas flows from bottom to top in the housing 1. When the exhaust gas passes through the gas-liquid splitter 2, the exhaust gas ventilation channel 32 flows (such as Figure 5 As shown), that is, the exhaust gas flows from the bottom of the gas-liquid splitter 2 to the top of the gas-liquid splitter 2 through the ventilation channel 32. When the exhaust gas flows through the ventilation channel 32, the exhaust gas touches the upward inclined section 30 and the upward inclined section 31, so that the liquid and gas in the exhaust gas mixture are separated; when the spray liquid falls on the gas-liquid splitter 2, the spray liquid flows along the upward inclined section 31 to the liquid guide groove 33 of the gas-liquid splitter plate 27 adjacent thereto, and / or flows along the upward inclined section 30 to its liquid guide groove 33 (as shown in FIG. Figure 5 As shown), the spray liquid is collected in the liquid guide groove 33, and then the spray liquid flows from the two ends of the liquid guide groove 33 to the square groove 37, and finally the spray liquid is recovered to the corresponding water tank by the corresponding reflux ports of each stage, so that the spray liquid in the spray tower body of each stage is collected separately, which can ensure that the spray liquid of the top layer maintains a certain degree of cleanliness, and the spray liquid of each stage can be replaced in a targeted manner, which can reduce the amount of replacement of the spray liquid.

[0033] The above detailed description is a specific description of a feasible embodiment of the utility model. The embodiment is not intended to limit the patent scope of the utility model. Any equivalent implementation or modification that does not deviate from the utility model should be included in the patent scope of this case.

Claims

1. A layered spraying device for treating organic waste gas, characterized in that: It includes a shell, a gas-liquid diverter, a water collecting tank, a spray pipe, and a water tank. The shell is divided into an air intake tower body, a spray tower body, and an exhaust tower body from bottom to top. The spray tower body is provided with at least two levels and the upper and lower levels are stacked. The spray pipe and the gas-liquid diverter are arranged from top to bottom in the spray tower body. The water collecting tank is arranged around the gas-liquid diverter. The number of the water tanks is the same as the number of the spray tower bodies. The spray pipe is connected to the corresponding water tank through an infusion pipe. The water collecting tank is provided with a reflux port, and the reflux port passes through the outside of the shell. The reflux port is connected to the corresponding water tank through a reflux pipe.

2. According to claim 1, a layered spraying device for treating organic waste gas is characterized in that: The gas-liquid splitter at each stage has the same structure, and is respectively composed of a plurality of gas-liquid splitter plates which are parallel to each other and arranged horizontally in parallel.

3. The stratified spraying device for treating organic waste gas according to claim 1, characterized in that: The shell is provided with a first-level spray tower body, a second-level spray tower body, and a third-level spray tower body which are stacked from bottom to top. The first-level spray pipe of the first-level spray tower body is connected to the first-level water tank through a first-level liquid infusion pipe, the first-level reflux port of the first-level spray tower is connected to the first-level water tank through a first-level reflux pipe, the second-level spray pipe of the second-level spray tower body is connected to the second-level water tank through a second-level liquid infusion pipe, the second-level reflux port of the second-level spray tower is connected to the second-level water tank through a second-level reflux pipe, the third-level spray pipe of the third-level spray tower body is connected to the third-level water tank through a third-level liquid infusion pipe, and the third-level reflux port of the third-level spray tower is connected to the third-level water tank through a third-level reflux pipe.

4. The stratified spraying device for treating organic waste gas according to claim 2, characterized in that: The gas-liquid diverter plate includes a vertical section, a horizontal section, an upward inclined section, and a downward inclined section connected in sequence from right to left. The downward inclined section of each gas-liquid diverter plate is located above the vertical section of the gas-liquid diverter plate adjacent to it, and a ventilation channel for exhaust gas to pass through is formed between the upward inclined section and the downward inclined section of each gas-liquid diverter plate and the vertical section of the gas-liquid diverter plate adjacent to it. A liquid guide groove is formed between the upward inclined section, the horizontal section, and the vertical section, and the two ends of the liquid guide groove are respectively connected to the water collecting tank.

5. The layered spraying device for treating organic waste gas according to claim 2, characterized in that: The gas-liquid splitter plate is made of metal material in one piece.

6. The layered spraying device for treating organic waste gas according to claim 3, characterized in that: The first-level infusion tube is provided with a first-level water pump, the second-level infusion tube is provided with a second-level water pump, and the third-level infusion tube is provided with a third-level water pump.

7. The layered spraying device for treating organic waste gas according to claim 3, characterized in that: The primary water tank, the secondary water tank and the tertiary water tank are arranged in parallel on the bottom side of the shell.

8. The layered spraying device for treating organic waste gas according to claim 4, characterized in that: The water collecting trough includes an outer plate, an inner plate, and a bottom plate. The inner plate is located inside the outer plate. The bottom of the outer plate and the bottom of the inner plate are connected to the bottom plate to form a square trough. The gas-liquid diverter plate is arranged in the inner plate, and the two ends of the liquid guide trough are respectively connected to the square trough. The reflux port is arranged on the outer plate and connected to the square trough.

9. The layered spraying device for treating organic waste gas according to claim 8, characterized in that: Sealing plates are respectively arranged at both ends between two adjacent gas-liquid diverter plates, and the vertical section of one of the two adjacent gas-liquid diverter plates is connected to one side of the sealing plate, and the upward inclined section of the other one of the two adjacent gas-liquid diverter plates is connected to the other side of the sealing plate.

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