Acid mist absorption tower

Abstract

The utility model relates to the technical field of absorption towers, and discloses an acid mist absorption tower which comprises a tower body, a box body fixedly connected to the outer surface of the tower body, a delivery pump mounted at the top of the box body, a liquid delivery pipe connected to the output end of the delivery pump, a shunt pipe connected to the outer surface of the liquid delivery pipe, and a spray pipe connected to one end of the shunt pipe, the inner wall of the tower body is fixedly connected with a base ring, the top of the base ring is connected with an umbrella-shaped distributor through a bolt, and the inner wall of the tower body is fixedly connected with a grating plate and a connecting plate. The manhole is formed in the surface of the tower body, and the sealing door is arranged, so that when the filler needs to be replaced, a worker can enter the tower body from the manhole only by opening the sealing door, and when the filler needs to be replaced, the old filler is removed firstly, then one end of the new PP filler is aligned and inserted into the straight groove, and the rolling rod is rotated to roll the filler until the filler reaches the diameter range of the grating plate; the operation is simple and fast, the difficulty and the cost of replacing the filler are greatly reduced, and the equipment maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of absorption tower, concretely is a kind of acid mist absorption tower. BACKGROUND

[0002] In numerous industrial production processes such as chemical industry, metallurgy, electronics, a large amount of acid mist waste gas will inevitably be produced. If these acid mist waste gas is directly discharged into the atmosphere without effective treatment, it will cause serious harm to the environment and human health.

[0003] According to the search, China patent document, announcement number: CN220071230U discloses a kind of acid mist absorption tower. By rotating motor drives spray pipeline rotation, so that spray head sprays neutralizing liquid more evenly sufficient, so that neutralization is more sufficient, while passing through condensing plate and the multilayer neutralization of neutralizing material, improve the efficiency of neutralization. But the absorption tower in actual use process only by spray pipe rotation to make the solution that spray head sprays and acid mist neutralize cannot reach sufficient gas-liquid mixing effect, and whole absorption tower is relatively closed, it is difficult to replace packing. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides acid mist absorption tower, with can make acid mist and chemical liquid fully mix, and the advantages such as packing replacement are facilitated, solve the above technical problem.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of acid mist absorption tower, including tower body, the outer surface of the tower body is fixedly connected with box body, the top of the box body is installed with delivery pump, the output end of the delivery pump is connected with liquid sending pipe, the outer surface of the liquid sending pipe is connected with shunt pipe, one end of the shunt pipe is connected with spray pipe, the inner wall of the tower body is fixedly connected with base ring, the top of the base ring is connected with umbrella-shaped distributor by bolt, the inner wall of the tower body is fixedly connected with grating plate and connecting plate, the center of the connecting plate is rotatably connected with roll bar, and packing is arranged between the grating plate and connecting plate.

[0008] Preferably, the outer surface of the tower body is fixedly connected with acid mist inlet pipe near the position of bottom end, and the top of the tower body is fixedly connected with purified gas discharge pipe.

[0009] Preferably, the umbrella-shaped distributor is of ceramic material, and a plurality of through holes are formed in the outer surface of the umbrella-shaped distributor around the axial direction thereof.

[0010] Preferably, both ends of the winding rod are rotatably connected with the grid plate and the connecting plate respectively, and a straight groove is formed through the outer surface of the winding rod, one end of the filler is inserted into the straight groove of the winding rod, and the filler is made of PP material.

[0011] Preferably, a manhole is formed in the outer surface of the tower body, and a sealing door is mounted on the outer surface of the manhole.

[0012] Preferably, the tower body is communicated with the box body, the inside of the box body is filled with acid mist and liquid, a valve is fixedly connected to the outer surface of the box body, one end of the valve is connected with a dosing pipe, one end of the dosing pipe is connected with a dosing barrel, and a liquid level sensor is arranged on the top of the box body.

[0013] Compared with the prior art, the acid mist absorption tower has the following beneficial effects:

[0014] 1、the manhole is formed on the surface of the tower body, and the sealing door is arranged, when the filler needs to be replaced, only the sealing door needs to be opened, the worker can enter the inside of the tower body from the manhole, when replacing, the old filler is removed, then the new PP material filler is inserted into the straight groove, the winding rod is rotated to wind the filler, until the diameter range of the grid plate is reached, the operation is simple and fast, the difficulty and cost of replacing the filler are greatly reduced, and the equipment maintenance efficiency is improved.

[0015] 2、when the acid mist enters the tower body, the acid mist is first neutralized with the neutralizing liquid at the bottom, in the ascending process, the acid mist flow is uniformly dispersed through the through holes of the umbrella-shaped distributor, and the subsequent full contact with the spraying liquid is laid a foundation, the conveying pump is started, the neutralizing liquid falls on the PP material filler with the S-shaped corrugated outer surface from the spraying pipe through the liquid pipe and the shunt pipe, a plurality of small droplets and liquid films are formed, the acid mist shuttles between the filler gaps, the gas-liquid contact area and time are greatly increased, so that the acidic components in the acid mist and the absorption liquid fully react, and the absorption efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a three-dimensional schematic view of the utility model structure;

[0017] Fig. 2 It is a sectional view schematic view of the utility model structure;

[0018] Fig. 3 It is an exploded view schematic view of the umbrella-shaped distributor, the grid plate and the filler and the like components in the utility model.

[0019] Wherein: 1, tower body; 2, box; 3, delivery pump; 4, liquid delivery pipe; 5, shunt pipe; 6, spray pipe; 7, base ring; 8, umbrella distributor; 9, grid plate; 10, connecting plate; 11, winding rod; 12, filler; 13, acid mist inlet pipe; 14, purified gas outlet pipe; 15, perforation; 16, sealing door; 17, valve; 18, dosing pipe; 19, dosing barrel; 20, liquid level sensor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figs. 1-3 An acid mist absorption tower, comprising a tower body 1, the outer surface of the tower body 1 is fixedly connected with a box 2, the top of the box 2 is installed with a delivery pump 3, the output end of the delivery pump 3 is connected with a liquid delivery pipe 4, the outer surface of the liquid delivery pipe 4 is connected with a shunt pipe 5, one end of the shunt pipe 5 is connected with a spray pipe 6, the inner wall of the tower body 1 is fixedly connected with a base ring 7, the top of the base ring 7 is connected with an umbrella distributor 8 through bolts, the inner wall of the tower body 1 is fixedly connected with a grid plate 9 and a connecting plate 10, the center of the connecting plate 10 is rotatably connected with a winding rod 11, and the filler 12 is arranged between the grid plate 9 and the connecting plate 10.

[0022] Specifically, the outer surface of the tower body 1 is fixedly connected with an acid mist inlet pipe 13 near the bottom end, and the top of the tower body 1 is fixedly connected with a purified gas outlet pipe 14. Advantage is that the acid mist generated in production can be sent into the acid mist inlet pipe 13 through the conveying equipment such as fan, and then the acid mist enters the inside of the tower body 1, and since a large amount of acid mist neutralization solution is put in the bottom of the tower body 1, the acid mist will first be neutralized with the acid mist neutralization solution when entering the inside of the tower body 1.

[0023] Specifically, the umbrella distributor 8 is made of ceramic material, and a plurality of perforations 15 are formed on the outer surface of the umbrella distributor 8 around the axial direction. Advantage is that when the acid mist continues to rise after the first neutralization, it will pass through each perforation 15 on the umbrella distributor 8, and in the rising process, the originally unevenly distributed acid mist flow can be more evenly dispersed on the cross section in the tower body 1 through the plurality of perforations 15, which helps the acid mist and the subsequent spray liquid to be more fully and uniformly contacted, avoiding excessive or insufficient gas flow in local area, thereby improving the overall absorption efficiency.

[0024] Specific, both ends of the roll rod 11 are rotatably connected with the grid plate 9 and the connecting plate 10, and the outer surface of the roll rod 11 is provided with a straight groove, one end of the filler 12 is inserted into the straight groove of the roll rod 11, and the filler 12 is made of PP material, the outer surface of the tower body 1 is provided with a manhole, and the outer surface of the manhole is provided with a sealing door 16. The advantage is that when the filler 12 needs to be replaced, only the sealing door 16 needs to be opened, so that the worker enters the inside of the tower body 1 from the manhole, removes the old filler 12, and then inserts one end of the filler 12 made of PP material into the straight groove of the roll rod 11, and then rotates the roll rod 11 to wrap the filler 12, so that when the diameter of the grid plate 9 of the filler 12 is reached, the replacement of the filler 12 is completed. The filler 12 is made of PP material, and the outer surface has S-shaped corrugation. When the acid mist rises and enters the filler 12 from the mesh hole of the grid plate 9, the neutralizing liquid in the acid mist in the tank 2 is drawn into the liquid pipe 4 by starting the delivery pump 3, and then enters the two shunt pipes 5, and then the acid mist neutralizing liquid is sprayed from the spray pipe 6 to fall on the filler 12. The surface of the filler 12 can form a large number of fine droplets and liquid film, and the gas flows in the gap of the filler 12. In this way, the contact area between the gas and the liquid is greatly increased, so that the acidic components in the acid mist can be more fully contacted with the absorbing liquid, thereby improving the absorption efficiency.

[0025] Specific, the tower body 1 is communicated with the tank 2, and the inside of the tank 2 is injected with acid mist neutralizing liquid, the outer surface of the tank 2 is fixedly connected with a valve 17, one end of the valve 17 is connected with a dosing pipe 18, one end of the dosing pipe 18 is connected with a dosing barrel 19, and the top of the tank 2 is provided with a liquid level sensor 20. The advantage is that the unused neutralizing liquid in the process of neutralizing the acid mist will fall to the bottom of the tower body 1. Since the tower body 1 and the tank 2 are communicated, the unused acid mist neutralizing liquid can be reused. By setting the liquid level sensor 20, the change of the liquid level in the tank 2 can be detected in real time. If the remaining amount of the acid mist neutralizing liquid in the tank 2 is insufficient, the liquid in the dosing barrel 19 can be introduced into the tank 2 by opening the valve 17. In this way, the acid mist neutralizing liquid can be supplemented in time.

[0026] In use, the acid mist generated in production is sent into the acid mist inlet pipe 13 by a conveying device such as a fan, and the acid mist enters the inside of the tower body 1 and is first neutralized with the acid mist neutralizing solution at the bottom of the tower body 1, and after the first neutralization, the acid mist continues to rise, passes through the through holes 15 on the umbrella-shaped distributor 8, and makes the acid mist flow uniformly dispersed in the cross section of the tower body 1, so as to prepare for sufficient contact with the subsequent spraying liquid; at the same time, the conveying pump 3 is started to extract the acid mist neutralizing liquid in the box 2, and the neutralizing liquid is sprayed from the spraying pipe 6 on the filler 12 in sequence through the liquid feeding pipe 4 and the shunt pipe 5; the acid mist rises from the mesh of the grid plate 9 into the filler 12, and the surface of the filler 12 makes the neutralizing liquid form fine droplets and liquid film, and the gas shuttles between the gaps of the filler 12, increases the gas-liquid contact area, and improves the absorption efficiency; in the process of neutralizing the acid mist, the unused neutralizing liquid falls to the bottom of the tower body 1, and because the tower body 1 is communicated with the box 2, the neutralizing liquid can be reused, and the liquid level sensor 20 detects the change of the liquid level in the box 2 in real time; if the amount of the acid mist neutralizing liquid is insufficient, the valve 17 is opened, the chemical liquid in the chemical feeding barrel 19 enters the box 2, and the acid mist neutralizing liquid is supplemented in time; when the filler 12 needs to be replaced, the sealing door 16 is opened, the worker enters the inside of the tower body 1 from the manhole, removes the old filler 12, and inserts one end of the filler 12 made of PP material into the straight slot of the winding rod 11, rotates the winding rod 11 to wind the filler 12, until the filler 12 reaches the diameter range of the grid plate 9, and the replacement is completed, and finally, the purified gas is discharged from the purified gas discharge pipe 14.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An acid mist absorption tower, comprising a tower body (1), characterized in that: A box (2) is fixedly connected to the outer surface of the tower body (1). A delivery pump (3) is installed on the top of the box (2). A liquid delivery pipe (4) is connected to the output end of the delivery pump (3). A diversion pipe (5) is connected to the outer surface of the liquid delivery pipe (4). A spray pipe (6) is connected to one end of the diversion pipe (5). A base ring (7) is fixedly connected to the inner wall of the tower body (1). An umbrella-shaped distributor (8) is bolted to the top of the base ring (7). A grid plate (9) and a connecting plate (10) are fixedly connected to the inner wall of the tower body (1). A coil rod (11) is rotatably connected to the center of the connecting plate (10). A packing material (12) is provided between the grid plate (9) and the connecting plate (10).

2. The acid mist absorption tower according to claim 1, characterized in that: An acid mist inlet pipe (13) is fixedly connected to the outer surface of the tower body (1) near the bottom, and a purified gas outlet pipe (14) is fixedly connected to the top of the tower body (1).

3. The acid mist absorption tower according to claim 1, characterized in that: The umbrella-shaped distributor (8) is made of ceramic, and the outer surface of the umbrella-shaped distributor (8) has multiple through holes (15) around its axial direction.

4. The acid mist absorption tower according to claim 1, characterized in that: The two ends of the coil (11) are rotatably connected to the grid plate (9) and the connecting plate (10), and a straight groove is opened through the outer surface of the coil (11). One end of the filler (12) is inserted into the straight groove of the coil (11), and the filler (12) is made of PP material.

5. The acid mist absorption tower according to claim 1, characterized in that: A manhole is provided on the outer surface of the tower body (1), and a sealing door (16) is installed on the outer surface of the manhole.

6. The acid mist absorption tower according to claim 1, characterized in that: The tower body (1) is connected to the box body (2), and the inside of the box body (2) is injected with acid mist neutralizing liquid. A valve (17) is fixedly connected to the outer surface of the box body (2). One end of the valve (17) is connected to a dosing pipe (18), and one end of the dosing pipe (18) is connected to a dosing tank (19). A liquid level sensor (20) is installed on the top of the box body (2).

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