Acid mist absorption device for sulfur dioxide recovery

Abstract

The utility model relates to the technical field of acid mist absorption, and discloses an acid mist absorption device for recycling sulfur dioxide, which comprises a bottom plate, a discharge control reflux mechanism is arranged at the top of the bottom plate, an acid mist filtering mechanism is arranged in the discharge control reflux mechanism, a support column is fixedly connected to the bottom of the bottom plate, and the support column is fixedly connected to the bottom of the bottom plate. The discharge control backflow mechanism comprises a backflow control assembly and a discharge assembly, and the backflow control assembly is arranged at the bottom of the discharge assembly. Treated gas is detected through a mist acid detection device, the detected gas drives a baffle in a rotary pentagonal disc to move in an auxiliary rotary disc through a gear disc, a control pipe is opened, a fan is driven by a second motor to rotate in a mounting plate, and therefore the treated gas can be discharged easily; a stirring plate is driven by a motor III to rotate in a fixed plate, so that the mist acid and the solution can be sufficiently mixed, and the mist acid can be effectively treated.

Description

Technical Field

[0001] The utility model relates to the technical field of acid mist absorption, in particular to an acid mist absorption device for sulfur dioxide recovery. Background Art

[0002] The primary pollutants that cause atmospheric acidification are sulfur dioxide and nitrogen oxides emitted during the combustion of fossil fuels, and the emission of acid mist cannot be ignored because it is more corrosive and toxic than combustion flue gas. For example, sulfuric acid mist is about 10 times more toxic than sulfur dioxide, so an acid mist absorption device for sulfur dioxide recovery is needed.

[0003] According to the description of an acid mist absorption device disclosed on the patent website (authorization announcement number: CN 215654640 U), "the utility model discloses an acid mist absorption device, including an acid mist discharge pipe, one end of the acid mist discharge pipe is arranged in an acid absorption tank, a grid plate is arranged in the acid absorption tank, a filler is arranged at the upper end of the grid plate, an air inlet groove is arranged below the grid plate, an alkali liquid groove is arranged below the air inlet groove, and the side end of the alkali liquid groove is connected to a spraying device; the spraying device includes a penetration hole, a conveying pipe, a control valve, a water storage tray and a high-pressure nozzle, a penetration hole is arranged in the middle of the water storage tray, and a high-pressure nozzle is installed below the water storage tray. The utility model is an acid mist absorption device, multiple nozzles are used for spraying, so that the alkali liquid and the acid mist are fully integrated, the acid in the acid mist is absorbed, the quality of the acid mist treatment is effectively improved, the alkali liquid is recycled, and the waste is reduced. By setting a sewage collection box, the internal pollutants can be cleaned regularly, the use efficiency is improved, the quality of the exhausted air is guaranteed, the exhaust of harmful gases is avoided, and the environmental protection benefits are increased."

[0004] In response to the above description, the applicant believes that the following problems exist: when the device is in use, alkali liquid is sprayed on the acid mist through a spraying device. The alkali liquid serves as an absorbent and is sprayed by multiple nozzles to fully blend the alkali liquid with the acid mist, absorb the acid in the acid mist, and effectively improve the quality of acid mist treatment. The alkali liquid is recycled to reduce waste. Since the spraying may be uneven, the harmful substances in the mist acid cannot be removed, affecting the treatment effect. Utility Model Content

[0005] The utility model aims to provide an acid mist absorption device for sulfur dioxide recovery to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: an acid mist absorption device for sulfur dioxide recovery, comprising a bottom plate, a discharge control reflux mechanism is arranged on the top of the bottom plate, an acid mist filtering mechanism is arranged inside the discharge control reflux mechanism, and a support column is fixedly connected to the bottom of the bottom plate;

[0007] The discharge control reflux mechanism comprises a reflux control component and a discharge component, and the reflux control component is arranged at the bottom of the discharge component.

[0008] Preferably, the reflux control component includes a processing box, the processing box is fixedly connected to the top of the base plate, the top of the processing box is fixedly connected with a control tube, the outside of the control tube is fixedly connected with a connecting plate, the outside of the connecting plate is fixedly connected with a motor 1, the output end of the motor 1 is fixedly connected with a gear, the outer surface of the gear is meshed with a gear plate, the top of the control tube is fixedly connected with a circular plate, the bottom of the gear plate is fixedly connected with a rotating five-sided plate, the inside of the control tube is fixedly connected with an auxiliary rotating plate, the inside of the auxiliary rotating plate is movably connected with a baffle, the outside of the control tube is fixedly connected with a reflux tube, and the inside of the control tube is fixedly connected with a mist acid detection device. Since the processing box is provided, it is beneficial to provide an installation basis for other components.

[0009] Preferably, slide grooves are provided at corresponding positions of the rotating five-sided disk and the baffle, and the baffle is movably connected to the inside of the rotating five-sided disk. The provision of the baffle is conducive to controlling the discharge of the treated gas.

[0010] Preferably, through holes are provided at corresponding positions of the circular disk and the gear disk, and the gear disk is rotatably connected to the inside of the circular disk. The provision of the gear disk is conducive to driving the baffle to move inside the auxiliary rotating disk.

[0011] Preferably, the discharge assembly includes a discharge pipe, which is fixedly connected to the top of the disc, the inside of the disc is fixedly connected to a mounting plate, the outside of the mounting plate is fixedly connected to motor 2, and the output end of motor 2 is fixedly connected to a fan. The provision of motor 2 is beneficial for providing power for the rotation of the fan.

[0012] Preferably, through holes are provided at corresponding positions of the mounting plate and the fan, the fan is rotatably connected to the inside of the mounting plate, and the end of the reflux pipe away from the control pipe is fixedly connected to the outside of the treatment box. Since the reflux pipe is provided, it is beneficial to return the untreated mist acid to the inside of the treatment box.

[0013] Preferably, the acid mist filtering mechanism includes a filler, which is fixedly connected to the interior of a treatment box, a fixed plate is fixedly connected to one end of the interior of the treatment box away from the filler, a motor three is fixedly connected to the top of the fixed plate, a stirring plate is fixedly connected to the output end of the motor three, a gas output pipe is fixedly connected to the outside of the treatment box, a water inlet pipe is fixedly connected to the side of the outside of the treatment box away from the gas output pipe, and a drain pipe is fixedly connected to the bottom of the treatment box. Since the stirring plate is provided, it is beneficial to fully mix the mist acid and the solution.

[0014] Compared with the prior art, the utility model provides an acid mist absorption device for sulfur dioxide recovery, which has the following beneficial effects:

[0015] 1. The acid mist absorption device for sulfur dioxide recovery is provided with a reflux control component and a discharge component in a discharge control reflux mechanism. The reflux control component is arranged at the bottom of the discharge component. The treated gas is detected by a mist acid detection device. The detected gas drives the baffle inside the rotating five-sided disk through the gear disk to move inside the auxiliary rotating disk, opens the control tube, and drives the fan through the second motor to rotate inside the mounting plate, thereby facilitating the discharge of the treated gas.

[0016] 2. The acid mist absorption device for sulfur dioxide recovery is used by an acid mist filtering mechanism in conjunction with a discharge control reflux mechanism. The stirring plate is driven by motor 3 to rotate inside the fixed plate, which is beneficial for fully mixing the mist acid with the solution, thereby facilitating the effective treatment of the mist acid. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0018] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the discharge control reflux mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the reflux control component of the discharge control reflux mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the discharge component of the discharge control reflux mechanism of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the acid mist filtering mechanism of the utility model.

[0023] In the figure: 1. bottom plate; 2. discharge control reflux mechanism; 21. reflux control component; 211. treatment box; 212. control pipe; 213. connecting plate; 214. motor one; 215. gear; 216. disc; 217. gear plate; 218. rotating five-sided disc; 219. auxiliary rotating disc; 2110. baffle; 2111. reflux pipe; 2112. mist acid detection device; 22. discharge component; 221. discharge pipe; 222. mounting plate; 223. motor two; 224. fan; 3. acid mist filtering mechanism; 31. filler; 32. fixing plate; 33. motor three; 34. stirring plate; 35. gas output pipe; 36. water inlet pipe; 37. drain pipe; 4. support column. DETAILED DESCRIPTION

[0024] 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.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1:

[0026] See also Figure 1-5 The utility model provides a technical solution: an acid mist absorption device for sulfur dioxide recovery, comprising a bottom plate 1, a discharge control reflux mechanism 2 is arranged on the top of the bottom plate 1, an acid mist filtering mechanism 3 is arranged inside the discharge control reflux mechanism 2, and a support column 4 is fixedly connected to the bottom of the bottom plate 1;

[0027] The discharge control reflux mechanism 2 comprises a reflux control component 21 and a discharge component 22 , wherein the reflux control component 21 is arranged at the bottom of the discharge component 22 .

[0028] Furthermore, the reflux control component 21 includes a processing box 211, which is fixedly connected to the top of the base plate 1, and a control tube 212 is fixedly connected to the top of the processing box 211, and a connecting plate 213 is fixedly connected to the outside of the control tube 212, and a motor 214 is fixedly connected to the outside of the connecting plate 213, and a gear 215 is fixedly connected to the output end of the motor 214, and a gear plate 217 is meshed on the outside of the gear 215, and a circular plate 216 is fixedly connected to the top of the control tube 212, and a rotating five-sided plate 218 is fixedly connected to the bottom of the gear plate 217, and an auxiliary rotating plate 219 is fixedly connected to the inside of the control tube 212, and a baffle 2110 is movably connected to the inside of the auxiliary rotating plate 219, and a reflux tube 2111 is fixedly connected to the outside of the control tube 212, and a mist acid detection device 2112 is fixedly connected to the inside of the control tube 212. Since the processing box 211 is provided, it is beneficial to provide an installation basis for other components.

[0029] Furthermore, slide grooves are provided at corresponding positions of the rotating five-sided disk 218 and the baffle 2110, and the baffle 2110 is movably connected to the inside of the rotating five-sided disk 218. The provision of the baffle 2110 is helpful for controlling the discharge of the treated gas.

[0030] Furthermore, through holes are provided at corresponding positions of the circular disk 216 and the gear disk 217 , and the gear disk 217 is rotatably connected to the inside of the circular disk 216 . The provision of the gear disk 217 is conducive to driving the baffle 2110 to move inside the auxiliary rotating disk 219 .

[0031] Furthermore, the discharge component 22 includes a discharge pipe 221, which is fixedly connected to the top of the disc 216. The inside of the disc 216 is fixedly connected to a mounting plate 222, the outside of the mounting plate 222 is fixedly connected to a motor 223, and the output end of the motor 223 is fixedly connected to a fan 224. Since the motor 223 is provided, it is beneficial to provide power for the rotation of the fan 224.

[0032] Furthermore, through holes are opened at corresponding positions of the mounting plate 222 and the fan 224, and the fan 224 is rotatably connected to the inside of the mounting plate 222. The end of the return pipe 2111 away from the control pipe 212 is fixedly connected to the outside of the processing box 211. Since the return pipe 2111 is set, it is beneficial to return the untreated mist acid to the inside of the processing box 211. Embodiment 2:

[0033] See also Figure 5, and combined with Example 1, it is further obtained that the acid mist filtering mechanism 3 includes a filler 31, the filler 31 is fixedly connected to the inside of the processing box 211, the end of the inside of the processing box 211 away from the filler 31 is fixedly connected to a fixed plate 32, the top of the fixed plate 32 is fixedly connected to a motor 33, the output end of the motor 33 is fixedly connected to a stirring plate 34, the outside of the processing box 211 is fixedly connected to a gas output pipe 35, the side of the outside of the processing box 211 away from the gas output pipe 35 is fixedly connected to a water inlet pipe 36, and the bottom of the processing box 211 is fixedly connected to a drain pipe 37. Since the stirring plate 34 is provided, it is beneficial to fully mix the mist acid with the solution.

[0034] In actual operation, when the device is used, first, the solution is fed into the interior of the treatment box 211 through the water inlet pipe 36, the gas output pipe 35 is connected to other devices, the mist acid is discharged into the interior of the reflux control component 21 through the gas output pipe 35, and the stirring plate 34 is driven by the motor 33 to rotate inside the fixed plate 32, so that the solution and the mist acid are fully mixed for treatment, and the treated mist acid is processed by the filler 31 and detected by the mist acid detection device 2112 inside the control tube 212. The gas that fails the inspection returns to the interior of the processing box 211 through the reflux pipe 2111 for processing. If the gas passes the inspection, the motor 1 214 drives the gear plate 217 outside the gear 215 to rotate inside the disc 216, so that the gear plate 217 drives the baffle 2110 inside the rotating five-sided disc 218 to move inside the auxiliary rotating disc 219, so that the baffle 2110 rotates open, and the motor 2 223 drives the fan 224 to rotate inside the mounting plate 222, so that the processed gas is discharged.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. An acid mist absorption device for sulfur dioxide recovery, comprising a bottom plate (1), characterized in that: A discharge control reflux mechanism (2) is arranged on the top of the bottom plate (1), an acid mist filtering mechanism (3) is arranged inside the discharge control reflux mechanism (2), and a support column (4) is fixedly connected to the bottom of the bottom plate (1); The discharge control reflux mechanism (2) comprises a reflux control component (21) and a discharge component (22), wherein the reflux control component (21) is arranged at the bottom of the discharge component (22); The reflux control assembly (21) comprises a processing box (211), the processing box (211) being fixedly connected to the top of the bottom plate (1), the top of the processing box (211) being fixedly connected to a control tube (212), the outside of the control tube (212) being fixedly connected to a connecting plate (213), the outside of the connecting plate (213) being fixedly connected to a motor 1 (214), the output end of the motor 1 (214) being fixedly connected to a gear (215), the outer surface of the gear (215) being meshed with a gear plate (214). 17), the top of the control tube (212) is fixedly connected to a disc (216), the bottom of the gear plate (217) is fixedly connected to a rotating five-sided disc (218), the interior of the control tube (212) is fixedly connected to an auxiliary rotating disc (219), the interior of the auxiliary rotating disc (219) is movably connected to a baffle (2110), the exterior of the control tube (212) is fixedly connected to a reflux pipe (2111), and the interior of the control tube (212) is fixedly connected to a mist acid detection device (2112); The acid mist filtering mechanism (3) comprises a filler (31), the filler (31) being fixedly connected to the inside of a processing box (211), a fixed plate (32) being fixedly connected to one end of the processing box (211) away from the filler (31), a motor three (33) being fixedly connected to the top of the fixed plate (32), a stirring plate (34) being fixedly connected to the output end of the motor three (33), a gas output pipe (35) being fixedly connected to the outside of the processing box (211), a water inlet pipe (36) being fixedly connected to one side of the outside of the processing box (211) away from the gas output pipe (35), and a drain pipe (37) being fixedly connected to the bottom of the processing box (211).

2. The acid mist absorption device for sulfur dioxide recovery according to claim 1, characterized in that: Slide grooves are provided at corresponding positions of the rotating five-sided disk (218) and the baffle (2110), and the baffle (2110) is movably connected inside the rotating five-sided disk (218).

3. The acid mist absorption device for sulfur dioxide recovery according to claim 1, characterized in that: Through holes are provided at corresponding positions of the circular disk (216) and the gear disk (217), and the gear disk (217) is rotatably connected to the inside of the circular disk (216).

4. The acid mist absorption device for sulfur dioxide recovery according to claim 1, characterized in that: The discharge assembly (22) comprises a discharge pipe (221), the discharge pipe (221) being fixedly connected to the top of the disc (216), the inside of the disc (216) being fixedly connected to a mounting plate (222), the outside of the mounting plate (222) being fixedly connected to a second motor (223), and the output end of the second motor (223) being fixedly connected to a fan (224).

5. The acid mist absorption device for sulfur dioxide recovery according to claim 4, characterized in that: Through holes are provided at corresponding positions of the mounting plate (222) and the fan (224); the fan (224) is rotatably connected to the inside of the mounting plate (222); and one end of the return pipe (2111) away from the control pipe (212) is fixedly connected to the outside of the processing box (211).

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