Chemical washing device

Abstract

The utility model discloses a chemical washing device which is characterized in that the bottom of a tower body is connected with the upper surface of a base, a frame is arranged in the base, a first filter screen is arranged on the inner side of the frame, a pore plate, a second filter screen and filler are arranged in the tower body through a supporting frame, a spraying pipe is arranged in the tower body and located above the filler, and a waste gas inlet pipe is arranged on one side of the base. The waste gas treatment device is reasonable in structure, quantitative washing liquid can be stored through the base, the first filter screen can be immersed in the washing liquid, when waste gas enters the base, the waste gas makes contact with the washing liquid firstly and is filtered through the first filter screen, and then the waste gas is filtered through the second filter screen. The waste gas enters the tower body and is subjected to secondary treatment and filtration through filler adsorption and a second filter screen while making contact with the spraying liquid, the waste gas treatment effect is greatly improved, meanwhile, the gas distribution pipeline is composed of a main pipe and a plurality of branch pipes, inlet gas distribution is more uniform, contact between the waste gas and washing liquid is improved, and the waste gas treatment effect is improved. Therefore, the waste gas treatment effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of washing towers, in particular to a chemical washing device. Background Art

[0002] In the chemical industry, harmful waste gas is generally produced during production. The waste gas is usually treated by chemical washing. The current chemical washing device generally uses a washing tower.

[0003] The existing chemical washing device (washing tower) generally uses a combination of filters and fillers, and then contacts the waste gas through chemical washing liquid, so as to adsorb and filter the particles or dirt in the waste gas. At present, after the gas in the chemical washing device enters the tower body from one side, it contacts with the spray liquid and is filtered through a single-layer filter. This structure causes the waste gas to be sometimes not treated sufficiently, thus affecting the waste gas treatment. Secondly, the tower body only has one side of the air intake, resulting in no waste gas reaching some areas on the other side of the tower body, thus causing waste. Therefore, an improved technology is urgently needed to solve this problem existing in the existing technology. Utility Model Content

[0004] The purpose of the utility model is to provide a chemical washing device, a base is arranged at the bottom of the tower body, an air distribution pipeline is arranged in the base, and a first filter is also arranged in the base. A quantitative washing liquid can be stored through the base, and the washing liquid can be submerged in the first filter. When the waste gas enters the base, it first contacts with the washing liquid and is filtered through the first filter. Then, it enters the tower body and contacts with the spray liquid, and is subjected to secondary treatment through filler adsorption and the second filter. The secondary treatment and filtration greatly improve the treatment effect of the waste gas, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chemical washing device, including a tower body, a base, a tower top, a frame, a first filter screen, a perforated plate, a second filter screen and a spray pipe, wherein the bottom of the tower body is connected to the upper surface of the base through a flange, the top of the tower body is provided with a tower top, the tower top is provided with an air outlet, the inner wall of the base is provided with a support plate, the inside of the base is provided with a frame, the periphery of the frame is supported on the upper surface of the support plate and is fastened by bolts, the inside of the frame is provided with a first filter screen, the inside of the tower body is provided with a support frame, the upper surface of the support frame is provided with a perforated plate, the upper surface of the perforated plate is provided with A second filter screen is provided, a filler is provided inside the tower body and located above the second filter screen, a hanger is provided inside the tower body and located above the filler, a spray pipe is provided on the lower surface of the hanger, a nozzle is provided at the bottom of the spray pipe, a water inlet is provided on one side of the tower body, the water inlet is connected to the spray pipe, an exhaust gas inlet pipe is provided on one side of the base, a clamp is provided on the tower body, the clamp is connected with the exhaust gas inlet pipe, a connecting pipe is further provided inside the base, the connecting pipe is communicated with one end of the exhaust gas inlet pipe, the other end of the connecting pipe is connected to the air distribution pipeline, and the air distribution pipeline is provided in the base through a support;

[0006] The air distribution pipeline includes a main pipe and a branch pipe, the main pipe is connected to the connecting pipe, a plurality of branch pipes are evenly arranged on both sides of the main pipe, and air holes are opened at the bottom of the main pipe and the branch pipe.

[0007] Preferably, the utility model provides a chemical washing device, wherein a drain outlet is provided on one side of the base.

[0008] Preferably, the utility model provides a chemical washing device, wherein a bottom plate is provided at the bottom of the base, and a plurality of reinforcing plates are provided between the bottom plate and the side walls of the base.

[0009] Preferably, the utility model provides a chemical washing device, wherein the outer surface of the tower body is provided with a manhole, a feeding port and a discharging port, the bottom of the discharging port and the height of the second filter are located at the same horizontal plane, and the feeding port is located above the discharging port.

[0010] Preferably, the utility model provides a chemical washing device, wherein the outer surface of the upper part of the tower body is also provided with a plurality of lifting ears.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) A base is provided at the bottom of the tower body, and an air distribution pipeline is provided in the base. A first filter is also provided in the base. A quantitative amount of washing liquid can be stored in the base, and the washing liquid can be submerged in the first filter. When the waste gas enters the base, it first contacts with the washing liquid and is filtered through the first filter. Then, it enters the tower body and contacts with the spray liquid while being adsorbed by the filler and subjected to secondary treatment by the second filter. The secondary treatment and filtration greatly improve the treatment effect of the waste gas.

[0013] (2) The air distribution pipeline consists of a main pipe and several branch pipes, which makes the air distribution more uniform, improves the contact between the exhaust gas and the scrubbing liquid, and thus further improves the exhaust gas treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the base from a top view;

[0016] Figure 3 is a schematic diagram of the structure of the frame and the first filter;

[0017] Figure 4 This is a schematic diagram of the gas distribution pipeline structure.

[0018] In the figure: tower body 1, base 2, tower top 3, frame 4, first filter 5, orifice plate 6, second filter 7, spray pipe 8, air outlet 9, support plate 10, support frame 11, filler 12, hanger 13, nozzle 14, water inlet 15, exhaust gas inlet pipe 16, clamp 17, connecting pipe 18, air distribution pipeline 19, drain outlet 20, bottom plate 21, reinforcement plate 22, manhole 23, feeding port 24, discharge port 25, lifting ear 26, main pipe 1901, branch pipe 1902, air hole 1903. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model;

[0020] It should be noted that, in the description of the present invention, the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left" and "right" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0021] See also Figure 1-3 The utility model provides a technical solution: a chemical washing device, including a tower body 1, a base 2, a tower top 3, a frame 4, a first filter screen 5, a perforated plate 6, a second filter screen 7 and a spray pipe 8. The bottom of the tower body 1 is connected to the upper surface of the base 2 through a flange, and a drain port 20 is arranged on one side of the base 2 to realize the recovery and discharge of the washing liquid. A bottom plate 21 is arranged at the bottom of the base 2, and a plurality of reinforcing plates 22 are arranged between the bottom plate 21 and the side wall of the base 2. Through this structure, the structural strength of the base 2 is ensured, thereby ensuring the overall stability. The tower body 1 is provided with a tower top 3, the tower top 3 is provided with an air outlet 9, the inner wall of the base 2 is provided with a support plate 10, the base 2 is provided with a frame 4 inside, the periphery of the frame 4 is supported on the upper surface of the support plate 10 and fastened by bolts, the inner side of the frame 4 is provided with a first filter screen 5, the tower body 1 is provided with a support frame 11, the upper surface of the support frame 11 is provided with a perforated plate 6, the upper surface of the perforated plate 6 is provided with a second filter screen 7, the tower body 1 is provided with a filler 12 and located above the second filter screen 7, and the tower body 1 is provided with a hanger 1 above the filler 12. 3. A spray pipe 8 is provided on the lower surface of the hanger 13, and a nozzle 14 is provided at the bottom of the spray pipe 8. A water inlet 15 is provided on one side of the tower body 1, and the water inlet 15 is connected to the spray pipe 8. An exhaust gas inlet pipe 16 is provided on one side of the base 2. A clamp 17 is provided on the tower body 1, and the clamp 17 is connected with the exhaust gas inlet pipe 16. A connecting pipe 18 is also provided inside the base 2. The connecting pipe 18 is connected to one end of the exhaust gas inlet pipe 16, and the other end of the connecting pipe 18 is connected to the air distribution pipeline 19. The air distribution pipeline 19 is arranged in the base 2 through a support. The outer surface of the tower body 1 is provided with a manhole 23, a feeding port 24 and a discharge port 25. The bottom of the discharge port 25 is at the same level as the height of the second filter screen 7. The feeding port 24 is located above the discharge port 25. The filling material is added through the feeding port 24, and the filling material is replaced through the discharge port 25. The manhole is convenient for operators to enter or observe the inside of the tower body from the outside. The outer surface of the upper part of the tower body 1 is also provided with a plurality of lifting ears 26. The lifting ears 26 are used to lift the tower body 1, thereby realizing the installation of the tower body 1 and the base 2;

[0022] like Figure 4As shown, the gas distribution pipeline 19 includes a main pipe 1901 and a branch pipe 1902. The main pipe 1901 is connected to the connecting pipe 18. A plurality of branch pipes 1902 are evenly arranged on both sides of the main pipe 1901. Air holes 1903 are provided at the bottom of the main pipe 1901 and the branch pipes 1902. The exhaust gas can enter the base 2 from multiple positions through the main pipe 1901 and the plurality of branch pipes 1902, thereby improving the contact with the washing liquid.

[0023] Installation method and principle of use: Install the air distribution pipeline 19 in the base 2 through the support, and connect the main pipe 1901 of the air distribution pipeline 19 to the connecting pipe 18, then place the frame 4 with the first filter 5 in the base 2 and support it on the support plate 10, and tighten it with bolts. The support frame 11, orifice plate 6, second filter 7, crane and spray pipe 8 are all pre-installed in the tower body 1, and then the tower body 1 is lifted to the upper surface of the base 2 by the crane, and connected to the base 2 through the flange, and then the clamp 17 is connected to the exhaust gas intake pipe 16 to ensure the stability of the exhaust gas intake pipe 16. Finally, the filler 12 is fed into the tower body 1 from the feeding port 24 and falls on the second filter 7. The installation is completed. During use, the washing liquid is sent into the tower body 1 through the spray pipe 8, and the washing liquid in the base 2 is submerged by the first filter 5. Then the drain port 20 drains the water in an equal amount. At the same time, the exhaust gas enters the air distribution pipeline 19 from the exhaust gas inlet pipe 16, and evenly enters the base 2 from the air holes 1903 of the air distribution pipeline 19, and first contacts with the washing liquid in the base 2. The particles in the exhaust gas are first filtered by the first filter 5, and then the exhaust gas that has been initially treated rises into the tower body 1. While contacting with the spray liquid, it is adsorbed by the filler 12 and filtered by the second filter 7 to complete the secondary treatment of the exhaust gas. Finally, the treated exhaust gas is discharged from the air outlet 9 at the top of the tower 3. The utility model has a reasonable structure. A base 2 is provided at the bottom of the tower body 1. An air distribution pipeline 19 is provided in the base 2. A first filter screen 5 is also provided in the base 2. A quantitative washing liquid can be stored through the base 2, and the washing liquid can be submerged in the first filter screen 5. When the exhaust gas enters the base 2, it first contacts with the washing liquid and is filtered through the first filter screen 5. Then, it enters the tower body 1 and contacts with the spray liquid while being adsorbed by the filler 12 and subjected to secondary treatment by the second filter screen 7. The secondary treatment and filtration greatly improve the treatment effect of the exhaust gas. The air distribution pipeline 19 is composed of a main pipe 1901 and a plurality of branch pipes 1902. The air intake distribution is more uniform, which improves the contact between the exhaust gas and the washing liquid, thereby further improving the treatment effect of the exhaust gas.

[0024] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

[0025] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A chemical washing device, characterized in that: The invention comprises a tower body (1), a base (2), a tower top (3), a frame (4), a first filter screen (5), a perforated plate (6), a second filter screen (7) and a spray pipe (8), wherein the bottom of the tower body (1) is connected to the upper surface of the base (2) via a flange, the top of the tower body (1) is provided with a tower top (3), the tower top (3) is provided with an air outlet (9), the inner wall of the base (2) is provided with a support plate (10), the base (2) is provided with a frame (4) inside, the outer periphery of the frame (4) is supported on the upper surface of the support plate (10) and is fastened by bolts, the inner side of the frame (4) is provided with a first filter screen (5), the tower body (1) is provided with a support frame (11), the upper surface of the support frame (11) is provided with a perforated plate (6), the upper surface of the perforated plate (6) is provided with a second filter screen (7), the tower body (1) is provided with a support frame (11), the upper surface of the support frame (1 ... (7) a filler (12) is arranged at the upper part, a hanger (13) is arranged inside the tower body (1) and above the filler (12), a spray pipe (8) is arranged on the lower surface of the hanger (13), a nozzle (14) is arranged at the bottom of the spray pipe (8), a water inlet (15) is arranged on one side of the tower body (1), the water inlet (15) is connected to the spray pipe (8), an exhaust gas intake pipe (16) is arranged on one side of the base (2), a clamp (17) is arranged on the tower body (1), the clamp (17) is connected to the exhaust gas intake pipe (16), a connecting pipe (18) is further arranged inside the base (2), the connecting pipe (18) is communicated with one end of the exhaust gas intake pipe (16), the other end of the connecting pipe (18) is connected to an air distribution pipeline (19), and the air distribution pipeline (19) is arranged in the base (2) through a support; The air distribution pipeline (19) comprises a main pipe (1901) and a branch pipe (1902); the main pipe (1901) is connected to the connecting pipe (18); a plurality of branch pipes (1902) are evenly arranged on both sides of the main pipe (1901); and air holes (1903) are provided at the bottom of the main pipe (1901) and the branch pipe (1902).

2. A chemical washing device according to claim 1, characterized in that: A drainage outlet (20) is provided on one side of the base (2).

3. A chemical washing device according to claim 1, characterized in that: A bottom plate (21) is provided at the bottom of the base (2), and a plurality of reinforcing plates (22) are provided between the bottom plate (21) and the side wall of the base (2).

4. A chemical washing device according to claim 1, characterized in that: The outer surface of the tower body (1) is provided with a manhole (23), a feeding port (24) and a discharge port (25); the bottom of the discharge port (25) is located at the same level as the height of the second filter screen (7); and the feeding port (24) is located above the discharge port (25).

5. A chemical washing device according to claim 1, characterized in that: A plurality of lifting ears (26) are also provided on the outer surface of the upper portion of the tower body (1).

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