A kind of acid mist absorption tower

Abstract

The utility model relates to the technical field of acid mist purification equipment, and discloses an acid mist absorption tower, including a tower body, a rotating motor located at both ends of the top of the tower body, and an alkaline solution injection pipe located on one side of the top of the tower body, wherein the tower body includes: a feed pipe arranged inside the tower body; a discharge pipe arranged at the bottom of the tower body, and a control valve is arranged at one end of the feed pipe and the discharge pipe away from the tower body, and the output ends of the two sets of rotating motors are connected to a rotating rod that penetrates the inside of the tower body. The utility model can manually control the on-off of the feed pipe and the discharge pipe respectively through two sets of control valves, and transport the acid mist to the solution inside the tower body through the feed pipe for neutralization reaction, and drive the stirring rod to rotate through the rotating motor and the rotating rod to stir the solution, so that the reaction efficiency of the neutralization reaction is higher, thereby accelerating the absorption of the acid mist and improving the purification efficiency of the absorption tower.

Description

Technical Field

[0001] The utility model relates to the technical field of acid mist purification equipment, in particular to an acid mist absorption tower. Background Art

[0002] Acid mist usually refers to misty acid substances. Pickling is a necessary process before galvanizing iron parts. A certain proportion of pickling liquid is configured in the pickling tank in the workshop. During the pickling and acid replenishing process of the workpiece, acid mist will be formed due to the high volatility of the acid, which will cause harm to the human body and corrode buildings and production equipment.

[0003] Application No. CN202321356250.X discloses an acid mist absorption tower. It includes a tower body, an acid mist neutralization tank is fixedly installed at the bottom of the tower body, and the acid mist neutralization tank is filled with neutralizing liquid. The acid mist is first discharged from the acid mist inlet pipe into the acid mist neutralization tank for preliminary absorption... and the rotating motor drives the rotating rod to rotate, and the bottom of the rotating rod is welded to the spray pipe to drive the spray pipe to rotate, so that the acid mist and the neutralizing liquid are in contact more fully; this absorption tower directly passes the acid mist into the neutralization tank, and the acid mist is absorbed by the reaction between the neutralization tank and the acid mist. The absorption efficiency of the acid mist is low, and the absorption of the acid mist will affect the absorption performance of the neutralizing liquid, resulting in poor absorption effect of the acid mist, which is not convenient for purification of more acid mist. Utility Model Content

[0004] The utility model aims to provide an acid mist absorption tower to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: an acid mist absorption tower, comprising a tower body, rotating motors located at both ends of the top of the tower body, and an alkaline solution injection pipe located on one side of the top of the tower body, wherein the tower body comprises:

[0006] A feed pipe arranged inside the tower body;

[0007] A liquid discharge pipe is arranged at the bottom of the tower body, and a control valve is arranged inside the feed pipe and the liquid discharge pipe at one end away from the tower body.

[0008] Preferably, the output ends of the two groups of rotating motors are connected to rotating rods that penetrate into the inside of the tower body, and multiple groups of stirring rods are arranged on the outside of one end of the two groups of rotating rods located inside the tower body. An air outlet pipe is arranged on the top of the tower body, and a filter head is arranged on the top of the air outlet pipe. An activated carbon filter element is arranged inside the filter head, and a cover plate is arranged on the top of the inside of the filter head.

[0009] Preferably, a water injection pipe is provided on the other side of the top of the tower body, the alkaline solution injection pipe and the end of the water injection pipe away from the tower body are both provided with solenoid valves, a PH sensor is provided on one side of the tower body, and a liquid level sensor is provided on the other side of the tower body.

[0010] Preferably, the top end of the feed pipe penetrates to the outside of the tower shell, and a connecting flange is provided at one end of the feed pipe away from the tower body.

[0011] Preferably, the bottom end of the filter head is welded to the top end of the air outlet pipe, and the filter head is connected to the tower body through the air outlet pipe.

[0012] Preferably, a mounting groove is provided inside the filter head, and the activated carbon filter element is detachably connected to the filter head via the mounting groove.

[0013] Preferably, a groove is provided at the top end of the inner wall of the filter head, the cover plate is detachably connected to the filter head via the groove, and a plurality of groups of through holes are provided inside the cover plate.

[0014] Preferably, a control cabinet is provided on the outer side of the tower body, and the two groups of solenoid valves are electrically connected to the pH sensor and the liquid level sensor through the control cabinet.

[0015] Preferably, the pH sensor and the liquid level sensor are both detachably connected to the tower body via fixing bolts, and the ends of the alkaline solution injection pipe and the water injection pipe away from the tower body are both provided with connecting flanges.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model can manually control the on-off of the feed pipe and the discharge pipe respectively through two groups of control valves, and transport the acid mist to the solution inside the tower body through the feed pipe for neutralization reaction, and drive the stirring rod to rotate by the rotating motor and the rotating rod to stir the solution, so that the reaction efficiency of the neutralization reaction is higher, thereby accelerating the absorption of the acid mist and improving the purification efficiency of the absorption tower;

[0018] 2. The utility model can monitor the liquid level and pH value of the solution in the tower body in real time through the pH sensor and the liquid level sensor. According to the monitored values, the solenoid valve is controlled by the control cabinet to control the on-off of the alkaline solution inlet pipe and the water injection pipe, and the activated carbon filter element inside the filter head is used for absorption, so that the purification effect of the absorption tower is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a cross-sectional view of the utility model.

[0022] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0023] In the figure: 1. tower body; 101. feed pipe; 102. discharge pipe; 103. control valve; 2. rotating motor; 201. rotating rod; 202. stirring rod; 203. outlet pipe; 204. filter head; 205. activated carbon filter element; 206. cover plate; 3. alkaline solution injection pipe; 301. water injection pipe; 302. solenoid valve; 303. PH sensor; 304. liquid level sensor. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and 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 orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0028] See also Figure 1-3 The utility model provides an acid mist absorption tower embodiment: an acid mist absorption tower, comprising a tower body 1, a rotating motor 2 located at both ends of the top of the tower body 1, and an alkaline solution injection pipe 3 located on one side of the top of the tower body 1, the tower body 1 comprises: a feed pipe 101 arranged inside the tower body 1; a discharge pipe 102 arranged at the bottom of the tower body 1, and a control valve 103 is arranged at one end of the feed pipe 101 and the discharge pipe 102 away from the tower body 1, and the two groups of control valves 103 can be manually controlled to be on and off the feed pipe 101 and the discharge pipe 102 respectively.

[0029] Please refer to Figure 1 and Figure 3 The output ends of the two sets of rotating motors 2 are both connected to a rotating rod 201 that penetrates into the interior of the tower body 1. The two sets of rotating rods 201 are located on the outside of one end of the interior of the tower body 1 and are provided with multiple sets of stirring rods 202. The rotating motor 2 can drive the stirring rods 202 to rotate through the rotating rods 201, so as to stir the solution inside the tower body 1. An air outlet pipe 203 is provided at the top of the tower body 1, and a filter head 204 is provided at the top of the air outlet pipe 203. An activated carbon filter element 205 is provided inside the filter head 204. The gas can be adsorbed and filtered through the activated carbon filter element 205, so as to make the use effect of the absorption tower better. A cover plate 206 is provided at the top of the interior of the filter head 204 to facilitate the replacement of the activated carbon filter element 205.

[0030] Please refer to Figure 2 and Figure 3A water injection pipe 301 is arranged on the other side of the top of the tower body 1, and the alkaline solution injection pipe 3 and the end of the water injection pipe 301 away from the tower body 1 are both provided with an electromagnetic valve 302. The two sets of electromagnetic valves 302 can respectively control the opening and closing of the alkaline solution injection pipe 3 and the water injection pipe 301. A pH sensor 303 is arranged on one side of the tower body 1 to monitor the pH value of the solution inside the tower body 1. A liquid level sensor 304 is arranged on the other side of the tower body 1 to monitor the liquid level of the solution inside the tower body 1, so as to facilitate the adjustment of the pH value inside the tower body 1.

[0031] Please refer to Figure 1 and Figure 3 The top of the feed pipe 101 penetrates the outer side of the tower body 1 shell, and a connecting flange is provided at one end of the feed pipe 101 away from the tower body 1, so as to facilitate the installation between the acid mist delivery pipe and the feed pipe 101. Both sets of rotating motors 2 are detachably connected to the tower body 1 through fixing bolts. The two sets of rotating motors 2 are installed on the top of the tower body 1. The stirring rod 202 is connected to the rotating rod 201 through the rotating rod 201, which can drive the stirring rod 202 to rotate, stir the solution inside the tower body 1, and accelerate the neutralization reaction inside the tower body 1. The bottom end of the filter head 204 is welded to the top end of the outlet pipe 203. The filter head 20 The filter head 204 is connected to the tower body 1 through the gas outlet pipe 203, and the filter head 204 is connected to the tower body 1 through the gas outlet pipe 203, so that the gas can be transported to the inside of the filter head 204. The filter head 204 is provided with a mounting groove inside, and the activated carbon filter element 205 is detachably connected to the filter head 204 through the mounting groove. The activated carbon filter element 205 can be disassembled and assembled, so that the purification effect of the absorption tower is better. The top of the inner wall of the filter head 204 is provided with a groove, and the cover plate 206 is detachably connected to the filter head 204 through the groove. The cover plate 206 is provided with multiple groups of through holes inside, and the disassembly effect of the activated carbon filter element 205 is better through the cover plate 206.

[0032] Please refer to Figure 2 and Figure 3 A control cabinet is provided on the outside of the tower body 1. The two sets of solenoid valves 302 are electrically connected to the PH sensor 303 and the liquid level sensor 304 through the control cabinet, and the PH value and liquid level data of the solution are transmitted to the control cabinet. The use of the two sets of solenoid valves 302 is controlled by the control cabinet, so as to control the on-off of the alkaline solution injection pipe 3 and the water injection pipe 301, so as to facilitate the adjustment of the PH value of the solution inside the absorption tower. The PH sensor 303 and the liquid level sensor 304 are detachably connected to the tower body 1 through fixing bolts, so that the PH sensor 303 and the liquid level sensor 304 are installed inside the absorption tower. The ends of the alkaline solution injection pipe 3 and the water injection pipe 301 away from the tower body 1 are both provided with connecting flanges, which are convenient for installing and using the absorption tower. The alkaline solution includes sodium hydroxide solution or potassium hydroxide solution.

[0033] Working principle: Before using the utility model, the absorption tower is installed, the acid mist delivery pipe is connected to the feed pipe 101 through the connecting flange, the alkaline solution delivery pipe is connected to the alkaline solution injection pipe 3 through the connecting flange, and the water delivery pipe is connected to the water injection pipe 301 through the connecting flange. When in use, the power supply is connected, the control valve 103 at the discharge pipe 102 is closed, and the alkaline solution and water are injected into the tower body 1 through the alkaline solution injection pipe 3 and the water injection pipe 301, and the pH value of the solution inside the tower body 1 is detected by the pH sensor 303. After reaching the set pH value, the two sets of solenoid valves 30 are closed through the control cabinet. 2, and then open the control valve at the feed pipe 101 to transport the acid mist to the solution inside the tower body 1. The stirring rod 202 can be driven to rotate by rotating the motor 2 and the rotating rod 201 to stir the solution inside the tower body 1, thereby accelerating the neutralization of the acid mist and the solution inside the tower body 1, and generating water and other substances. The liquid level inside the tower body 1 can be detected by the liquid level sensor 304, and the liquid inside the tower body 1 can be discharged in time through the drain pipe 102. The treated gas is transported to the inside of the filter head 204 through the outlet pipe 203, and is adsorbed and filtered by the activated carbon filter element 205, so as to have a better purification effect on the acid mist.

[0034] The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. An acid mist absorption tower, characterized in that: The tower body (1) comprises a tower body (1), a rotating motor (2) located at two ends of the top of the tower body (1), and an alkaline solution injection pipe (3) located at one side of the top of the tower body (1). The tower body (1) comprises: A feed pipe (101) arranged inside the tower body (1); A liquid discharge pipe (102) is arranged at the bottom of the tower body (1), and a control valve (103) is arranged at one end of the feed pipe (101) and the liquid discharge pipe (102) away from the tower body (1); The output ends of the two groups of rotating motors (2) are both connected to a rotating rod (201) that penetrates into the interior of the tower body (1); a plurality of stirring rods (202) are arranged outside one end of the two groups of rotating rods (201) located inside the tower body (1); an air outlet pipe (203) is arranged at the top of the tower body (1); a filter head (204) is arranged at the top of the air outlet pipe (203); an activated carbon filter element (205) is arranged inside the filter head (204); and a cover plate (206) is arranged at the top of the interior of the filter head (204); A water injection pipe (301) is arranged on the other side of the top of the tower body (1); an electromagnetic valve (302) is arranged on the alkaline solution injection pipe (3) and the end of the water injection pipe (301) away from the tower body (1); a pH sensor (303) is arranged on one side of the tower body (1); and a liquid level sensor (304) is arranged on the other side of the tower body (1).

2. An acid mist absorption tower according to claim 1, characterized in that: The top end of the feed pipe (101) penetrates to the outside of the tower body (1) shell, and a connecting flange is provided at one end of the feed pipe (101) away from the tower body (1).

3. An acid mist absorption tower according to claim 1, characterized in that: The bottom end of the filter head (204) is welded to the top end of the air outlet pipe (203), and the filter head (204) is connected to the tower body (1) via the air outlet pipe (203).

4. An acid mist absorption tower according to claim 1, characterized in that: The filter head (204) is provided with a mounting groove inside, and the activated carbon filter element (205) is detachably connected to the filter head (204) via the mounting groove.

5. The acid mist absorption tower according to claim 1, characterized in that: The top end of the inner wall of the filter head (204) is provided with a groove, the cover plate (206) is detachably connected to the filter head (204) via the groove, and a plurality of groups of through holes are provided inside the cover plate (206).

6. An acid mist absorption tower according to claim 1, characterized in that: A control cabinet is provided on the outside of the tower body (1), and the two groups of solenoid valves (302) are electrically connected to the pH sensor (303) and the liquid level sensor (304) through the control cabinet.

7. An acid mist absorption tower according to claim 1, characterized in that: The pH sensor (303) and the liquid level sensor (304) are both detachably connected to the tower body (1) via fixing bolts, and the ends of the alkaline solution injection pipe (3) and the water injection pipe (301) away from the tower body (1) are both provided with connecting flanges.

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