Spraying device for waste gas treatment

Abstract

The utility model discloses a spraying device for waste gas treatment, which comprises a shell, a gas inlet pipe and a gas outlet pipe are arranged on the shell, a water tank and a motor are fixedly connected to the upper surface of the shell, a water pump is arranged on the water tank, a connecting pipe is fixedly connected to the output end of the water pump, and an annular pipe is arranged at the other end of the connecting pipe. The annular pipe is provided with a nozzle; the output end of the motor is rotationally connected with a main shaft, the bottom of the main shaft is fixedly connected with a rotating disc, the rotating disc is provided with an inclined hole, the interior of the shell is fixedly connected with a first flow guide plate, a second flow guide plate, a third flow guide plate and a connecting column, and the first flow guide plate, the second flow guide plate and the third flow guide plate are all provided with flow guide holes. The connecting column is provided with a spiral hole and a flow guide groove. Through the device, waste gas can be effectively scattered and the flow velocity can be reduced through the cooperation of the guide plate, the spiral hole and the inclined hole, the contact time of the waste gas and spraying liquid is prolonged, and the purification efficiency of the waste gas is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field especially relates to a spray device for waste gas treatment. BACKGROUND

[0002] At present, the waste gas produced in industrial production is complex in composition and contains various harmful substances, which seriously threatens the environment and human health.

[0003] The existing waste gas treatment technology mostly adopts direct spraying through a spraying device, but this way has low treatment efficiency and insufficient gas-liquid contact, such as the Chinese patent "waste gas spraying tower device for waste gas treatment" with the application number "CN202323606577.0", which adopts a side plate to enable the box to be completely opened, facilitating thorough cleaning, and compared with the existing sealed box, it no longer needs to be washed by multiple water filling, improving the cleaning efficiency and cleanliness, but the airflow speed is fast and it is difficult to stay long enough to complete decomposition or absorption. SUMMARY

[0004] The utility model discloses a kind of spray devices for waste gas treatment, by rotating disc high-speed rotation, liquid is scattered by the power of rotation when passing through inclined hole on rotating disc, is scattered in all directions, it is dispersed initially by the flow guide hole of first flow guide plate, then pass through spiral groove on connecting column, spiral groove promotes waste gas to be in spiral rising tendency, further increase airflow dynamic disturbance, then waste gas sequentially pass through second flow guide plate and third flow guide plate, since flow guide hole diameter gradually reduces, waste gas is scattered in tower constantly, greatly extend its residence time, so that waste gas can be mixed with liquid and contact fully.

[0005] The utility model discloses still provide with above-mentioned one kind waste gas treatment spray device, it include: shell, be provided with inlet pipe and outlet pipe on the shell, water tank and motor are fixedly connected on the shell upper surface, water pump is provided on the water tank, the output of water pump is fixedly connected with connecting pipe, the other end of connecting pipe is provided with ring pipe, and nozzle is provided on the ring pipe;The output of motor is rotatably connected with main shaft, and the bottom of main shaft is fixedly connected with rotating disc, and inclined hole is provided on the rotating disc, and first flow guide plate, second flow guide plate, third flow guide plate and connecting column are fixedly connected in the shell, and flow guide hole is provided on first flow guide plate, second flow guide plate and third flow guide plate, and spiral hole and flow guide groove are provided on connecting column. Through above device, by the cooperation of flow guide plate, spiral hole and inclined hole, waste gas can be effectively scattered and flow rate is reduced, contact time of waste gas and spray liquid is extended, and the purification efficiency of waste gas is improved.

[0006] The utility model relates to a kind of spraying devices for waste gas treatment, the lower surface of the shell is fixedly connected with support leg, the shell bottom is provided with valve.By the above device, by support leg and valve, the structure of device can be stabilized and excess liquid is conveniently discharged.

[0007] The utility model relates to a kind of spraying devices for waste gas treatment, the left side bottom of shell is located in air inlet pipe, the right side top of shell is located in air outlet pipe.By the above device, by air inlet pipe and air outlet pipe, the flow of waste gas from bottom to top can be realized, and the contact time of spraying liquid and waste gas is enhanced.

[0008] The utility model relates to a kind of spraying devices for waste gas treatment, the inner top of shell is located in ring pipe, the ring pipe is annular shape, the inside of shell is fixedly connected with connecting frame, and the ring pipe is fixedly connected on connecting frame.By the above device, by connecting frame and ring pipe, spraying liquid can be evenly distributed, and the flow path of waste gas is ensured to be covered.

[0009] The utility model relates to a kind of spraying devices for waste gas treatment, the carousel is located just below ring pipe, the inclined hole is inclined, and the inclined hole penetrates carousel.By the above device, by inclined hole, spraying liquid can be effectively dispersed, the speed of liquid descending is reduced, liquid can be scattered, and purification efficiency is improved.

[0010] The utility model relates to a kind of spraying devices for waste gas treatment, the first flow guide plate is located just below second flow guide plate, the second flow guide plate is located just below third flow guide plate, the number of connecting column is two, the connecting column is located between first flow guide plate and second flow guide plate, and another connecting column is located between second flow guide plate and third flow guide plate.By the above device, by the staggered flow guide structure formed by multiple flow guide plates and connecting column, waste gas and spraying liquid can be guided to flow in different levels, and gas-liquid contact path is prolonged.

[0011] The utility model relates to a kind of spraying devices for waste gas treatment, the flow guide hole aperture on the first flow guide plate is greater than the flow guide hole aperture on the second flow guide plate, and the flow guide hole aperture on the second flow guide plate is greater than the flow guide hole aperture on the third flow guide plate.By the above device, by the size of flow guide hole, waste gas flow rate can be reduced layer by layer, and gas-liquid contact effect is improved.

[0012] The utility model relates to a kind of spraying devices for waste gas treatment, the spiral hole is communicated with flow guide groove, the spiral hole is spiral, and the flow guide groove is located on the upper and lower sides of connecting column.By the above device, by the cooperation of spiral hole and flow guide groove, spraying liquid can form spiral flow trajectory in flow process, and liquid flow disturbance is increased.

[0013] Beneficial effects

[0014] Compared with the prior art, the spraying device for waste gas treatment, through high-speed rotation of the rotating disc, the liquid is scattered by the rotating force when passing through the inclined hole on the rotating disc, and is scattered in all directions, flows through the flow guide hole of the first flow guide plate, is preliminarily dispersed, then passes through the spiral groove on the connecting column, the spiral groove promotes the waste gas to be in a spiral upward state, further increases the flow dynamic disturbance, and then the waste gas sequentially passes through the second flow guide plate and the third flow guide plate, and since the flow guide hole diameter gradually decreases, the waste gas is continuously scattered in the tower, the residence time is greatly prolonged, and the waste gas can be fully mixed and contacted with the liquid. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further illustrated below in combination with the drawings and embodiments.

[0016] Figure 1 It is a front view of the spraying device for waste gas treatment of the utility model;

[0017] Figure 2 It is a front view of the spraying device for waste gas treatment of the utility model; Figure 1 Internal structure view;

[0018] Figure 3 It is an internal sectional view of the spraying device for waste gas treatment of the utility model; Figure 1

[0019] Figure 4 It is an enlarged view of position A in the spraying device for waste gas treatment of the utility model; Figure 2

[0020] Figure 5 It is an enlarged view of position B in the spraying device for waste gas treatment of the utility model. Figure 3

[0021] Legend:

[0022] 1, shell; 2, inlet pipe; 3, outlet pipe; 4, supporting leg; 5, valve; 6, water tank; 7, water pump; 8, connecting pipe; 9, connecting frame; 10, ring pipe; 11, nozzle; 12, motor; 13, main shaft; 14, rotating disc; 15, inclined hole; 16, first flow guide plate; 17, second flow guide plate; 18, third flow guide plate; 19, flow guide hole; 20, connecting column; 21, spiral hole; 22, flow guide groove. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference​​​Figures 1-5 The utility model discloses an embodiment of a spraying device for waste gas treatment, which comprises: a shell 1, the lower surface of the shell 1 is fixedly connected with a supporting leg 4, the supporting leg 4 supports the shell 1, a valve 5 is arranged at the bottom of the shell 1, the valve 5 controls the discharge of liquid in the shell 1, an air inlet pipe 2 and an air outlet pipe 3 are arranged on the shell 1, the air inlet pipe 2 and the air outlet pipe 3 convey waste gas, the air inlet pipe 2 is located at the left bottom of the shell 1, the air outlet pipe 3 is located at the right top of the shell 1, a water tank 6 and a motor 12 are fixedly connected to the upper surface of the shell 1, the water tank 6 stores spraying liquid, a water pump 7 is arranged on the water tank 6, a connecting pipe 8 is fixedly connected to the output end of the water pump 7, the other end of the connecting pipe 8 is provided with a ring pipe 10, the ring pipe 10 is located at the inner top of the shell 1, the ring pipe 10 is in the shape of a ring, a connecting frame 9 is fixedly connected inside the shell 1, the ring pipe 10 is fixedly connected to the connecting frame 9, a spray opening 11 is arranged on the ring pipe 10, and the spray opening 11 sprays liquid into fine mist.

[0025] The output end of the motor 12 is rotationally connected with a main shaft 13, the bottom of the main shaft 13 is fixedly connected with a rotating disc 14, the rotating disc 14 is provided with an inclined hole 15, the inclined hole 15 makes the liquid form multi-directional atomization spraying when rotating, the rotating disc 14 is located directly below the ring pipe 10, the inclined hole 15 is inclined, the inclined hole 15 penetrates through the rotating disc 14, a first flow guide plate 16, a second flow guide plate 17, a third flow guide plate 18 and a connecting column 20 are fixedly connected inside the shell 1, the first flow guide plate 16 is located directly below the second flow guide plate 17, the second flow guide plate 17 is located directly below the third flow guide plate 18, the number of the connecting columns 20 is two, one connecting column 20 is located between the first flow guide plate 16 and the second flow guide plate 17, and the other connecting column 20 is located between the second flow guide plate 17 and the third flow guide plate 18, flow guide holes 19 are arranged on the first flow guide plate 16, the second flow guide plate 17 and the third flow guide plate 18, the flow guide holes 19 allow gas to flow through, the diameter of the flow guide holes 19 on the first flow guide plate 16 is larger than that of the flow guide holes 19 on the second flow guide plate 17, the diameter of the flow guide holes 19 on the second flow guide plate 17 is larger than that of the flow guide holes 19 on the third flow guide plate 18, helical holes 21 and flow guide grooves 22 are arranged on the connecting column 20, the helical holes 21 disturb the flow of gas, increase the purification effect, the helical holes 21 are in communication with the flow guide grooves 22, the helical holes 21 are in the shape of a spiral, and the flow guide grooves 22 are located on the upper and lower sides of the connecting column 20.

[0026] Working principle: when in use, the air inlet pipe 2 sends waste gas into the shell 1, the gas rises through the flow guide holes 19 of the first flow guide plate 16, then passes through the helical grooves 21, and then passes through the second flow guide plate 17 and the third flow guide plate 18, due to the gradually reduced diameter, the waste gas is forced to be scattered in the tower, thereby prolonging the residence time, then the spray opening 11 at the top sprays liquid, the rotating disc 14 rotates, and the liquid is dispersed when passing through the inclined hole 15, thereby fully contacting with the liquid, and the purification treatment is completed.

[0027] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range that the person skilled in the art has possesses without departing from the utility model's tenet under the precondition that the knowledge range that the person skilled in the art has possesses.

Claims

1. A spray device for treating waste gas, characterized in that, Include: The shell (1), the air inlet pipe (2) and the air outlet pipe (3) are arranged on the shell (1), the water tank (6) and the motor (12) are fixedly connected to the upper surface of the shell (1), the water pump (7) is arranged on the water tank (6), the connecting pipe (8) is fixedly connected to the output end of the water pump (7), the ring pipe (10) is arranged at the other end of the connecting pipe (8), and the nozzle (11) is arranged on the ring pipe (10); The motor (12) is rotatably connected to the output end of the main shaft (13), the main shaft (13) is fixedly connected to the bottom of the rotating disc (14), the rotating disc (14) is provided with an inclined hole (15), the first guide plate (16), the second guide plate (17), the third guide plate (18) and the connecting column (20) are fixedly connected inside the shell (1), the guide holes (19) are arranged on the first guide plate (16), the second guide plate (17) and the third guide plate (18), and the spiral hole (21) and the guide groove (22) are arranged on the connecting column (20).

2. The spray device for exhaust gas treatment according to claim 1, characterized by The lower surface of the shell (1) is fixedly connected with the supporting leg (4), and the valve (5) is arranged at the bottom of the shell (1).

3. The spray device for exhaust gas treatment according to claim 1, characterized by The air inlet pipe (2) is located at the left bottom of the shell (1), and the air outlet pipe (3) is located at the right top of the shell (1).

4. The spray device for exhaust gas treatment according to claim 1, characterized by The ring pipe (10) is located at the inner top of the shell (1), the ring pipe (10) is annular, the connecting frame (9) is fixedly connected inside the shell (1), and the ring pipe (10) is fixedly connected to the connecting frame (9).

5. The spray device for exhaust gas treatment according to claim 1, wherein The rotating disc (14) is located directly below the ring pipe (10), the inclined hole (15) is inclined, and the inclined hole (15) penetrates the rotating disc (14).

6. The spray device for exhaust gas treatment according to claim 1, wherein The first guide plate (16) is located directly below the second guide plate (17), the second guide plate (17) is located directly below the third guide plate (18), the number of the connecting column (20) is two, the connecting column (20) is located between the first guide plate (16) and the second guide plate (17), and the other connecting column (20) is located between the second guide plate (17) and the third guide plate (18).

7. The spray device for exhaust gas treatment according to claim 1, wherein The diameter of the guide hole (19) on the first guide plate (16) is larger than that of the guide hole (19) on the second guide plate (17), and the diameter of the guide hole (19) on the second guide plate (17) is larger than that of the guide hole (19) on the third guide plate (18).

8. The spray device for exhaust gas treatment according to claim 1, characterized by The spiral hole (21) and the guide groove (22) are communicated, the spiral hole (21) is spiral, and the guide groove (22) is located on the upper and lower sides of the connecting column (20).

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