Glass fiber reinforced plastic multistage spraying acid mist purification device

Abstract

The utility model provides a glass fiber reinforced plastic multistage spraying acid mist purification device, which relates to the field of acid mist purification and comprises a glass fiber reinforced plastic purification tank and an air inlet component, an exhaust port is arranged at the top of the glass fiber reinforced plastic purification tank, and a spraying pipe is arranged in the glass fiber reinforced plastic purification tank. A flow guide cylinder is arranged in the glass fiber reinforced plastic purification tank, a feeding assembly is arranged on the lower side of the flow guide cylinder, a feeding assembly is arranged on the upper side of the flow guide cylinder, the feeding assembly comprises a material guide pipe obliquely inserted into the glass fiber reinforced plastic purification tank, the outer end of the flow guide pipe is connected with a storage hopper, and the air inlet assembly comprises an air inlet pipe. The middle of each impeller blade is connected with a shaft sleeve, and meanwhile the lower end of each shaft sleeve is connected with a rotating shaft. The glass fiber reinforced plastic purification tower solves the problems that an existing glass fiber reinforced plastic purification tower for acid mist treatment cannot compensate the concentration of alkali liquor in time, and the reaction effect of bubble acid mist and the alkali liquor is deviated.

Description

Technical Field

[0001] The utility model relates to the technical field of acid mist purification, in particular to a glass fiber reinforced plastic multi-stage spraying acid mist purification device. Background Art

[0002] Acid mist purification tower is also called acid gas purification tower, acid mist purification tower, acid mist absorption tower, waste gas purification tower and FRP acid mist purification tower. The FRP acid mist purification tower plays the role of removing harmful gases in exhaust gas. It has the characteristics of wide application range, high purification efficiency, low equipment resistance and small footprint. After searching, the prior art (publication number: CN220939969U) records "a glass fiber reinforced plastic purification tower for acid mist treatment, belonging to the field of purification towers, including a glass fiber reinforced plastic purification tower body, one side of the glass fiber reinforced plastic purification tower body is fixedly connected to an acid mist input pipe, the interior of the glass fiber reinforced plastic purification tower body is provided with a spray assembly, the bottom of one side of the glass fiber reinforced plastic purification tower body is fixedly connected to a liquid extraction pipe, the external thread sleeve of the top of the liquid extraction pipe is connected with a filter box, the interior of the filter box is fixedly connected to a filter screen, and the top of the filter box is provided with a circulation assembly; the glass fiber reinforced plastic purification tower for acid mist treatment, by providing a filter box and a filter screen, can be used when the alkaline solution at the bottom of the inner cavity of the glass fiber reinforced plastic purification tower body is recycled, and the particulate impurities in the solution are filtered and processed, thereby avoiding the problem of subsequent nozzle blockage and prolonging the service life of the nozzle, thereby bringing convenience to the use of the glass fiber reinforced plastic purification tower."

[0003] Although the acid mist treated FRP purification tower in the prior art has achieved good recycling of alkali solution, there are still some shortcomings: in the process of recycling alkali solution in the existing acid mist treated FRP purification tower, the concentration of the alkali solution gradually decreases due to the reaction of acid mist with alkali solution to produce salt and water, and then the concentration of the alkali solution extracted and sprayed through the spray pipe is relatively small, and the secondary absorption treatment of the acid mist cannot be achieved; secondly, the air inlet pipe involved sends the acid mist gas into the alkali solution, which may form bubbles, and the bubbles quickly overflow the alkali solution, resulting in the acid mist in the bubbles cannot be absorbed and reacted, thereby causing a deviation in the purification effect. Utility Model Content

[0004] In order to overcome the defects of the prior art, a FRP multi-stage spray acid mist purification device is provided to solve the problem that the existing FRP purification tower for acid mist treatment cannot achieve timely compensation for the concentration of alkali solution, and there is a deviation in the reaction effect between the bubble acid mist and the alkali solution.

[0005] To achieve the above-mentioned purpose, a FRP multi-stage spray acid mist purification device is provided, comprising: a FRP purification tank and an air intake assembly, wherein an exhaust port is provided at the top of the FRP purification tank, and a spray pipe is provided inside the FRP purification tank, a guide tube is provided inside the FRP purification tank, and a feeding assembly is provided on the upper side of the guide tube, the feeding assembly comprises a guide tube obliquely inserted into the FRP purification tank, and a storage hopper is connected to the outer end of the guide tube, the air intake assembly comprises an air intake pipe, and an impeller blade is provided inside the air intake pipe, and a shaft sleeve is connected to the middle part of the impeller blade, and a rotating shaft is connected to the lower end of the shaft sleeve, a rotating sheet is connected to the lower end of the rotating shaft, and a rack is connected to the upper side of the rotating sheet, and a stirring rod is symmetrically connected to the outer side of the rotating sheet.

[0006] Furthermore, the lower end of the exhaust port is connected to an air collecting hood, and the lower end of the air collecting hood is provided with a water absorbing layer, and the water absorbing layer is located on the upper side of the spray pipe.

[0007] Furthermore, a circulating pipe with an L-shaped structure is connected to the center of the upper end of the spray pipe, and a circulating pump is connected to the pipeline of the circulating pipe, and the liquid extraction end of the circulating pump is connected to the alkali solution at the bottom of the inner side of the FRP purification tank through a pipeline.

[0008] Furthermore, the feeding assembly includes a storage hopper filled with quicklime particles, a cover plate is provided on the top of the storage hopper, and a stirring motor is installed on the upper side of the cover plate.

[0009] Furthermore, a first fixing frame and a second fixing frame are installed in the vertical pipe of the air intake pipe, and the shaft sleeve is rotatably connected to the middle part of the first fixing frame, and the impeller blades are respectively located on the upper and lower sides of the first fixing frame.

[0010] Furthermore, the first fixing frame and the second fixing frame are both configured as a cross structure, and the second fixing frame is located at the lower side of the first fixing frame, and the rotating shaft rotates through the center of the second fixing frame.

[0011] Furthermore, the rotating plate includes two upper and lower cones, and the rack is vertically fixed on the upper cone, and the rotating plate is located at the lower side of the air outlet of the air inlet pipe, and the rack surrounds the outer side of the air outlet of the air inlet pipe.

[0012] The beneficial effects of the utility model are:

[0013] 1. When in use, the alkaline solution inside the FRP purification tank is pumped to the upper side of the guide tube through the circulation pump, circulation pipe and spray pipe, and then the acid mist overflowing from the alkali solution is sprayed to react, so as to achieve secondary treatment. At the same time, the acid mist introduced by the air intake pipe is treated in the alkali solution. When the concentration of the alkali solution decreases, the guide pipe and stirring motor at the bottom of the feed assembly are opened to transport the quicklime particles in the storage tank to the inside of the FRP purification tank, and then enter the alkali solution through the guide tube, thereby increasing the concentration of the alkali solution and ensuring the reaction treatment effect with the acid mist.

[0014] 2. In the process of introducing the acid mist gas through the air inlet pipe, the acid mist gas flow flows inside the pipe body and drives the rotation of the impeller blades, which in turn drives the shaft sleeve and the rotating shaft to rotate, and then drives the rotating plate connected to the air outlet on the lower side of the air inlet pipe to rotate, so that the bubbles formed by the gas introduced from the air outlet on the lower side of the air inlet pipe are destroyed by the rack driven by the rotating plate, so that the acid mist gas contacts the alkali solution over a large area, and at the same time, the rotating plate drives the stirring rod connected to the outside to rotate, so that it is convenient to stir the added quicklime to achieve a rapid dissolution effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the front cross-section structure of an embodiment of the utility model.

[0016] Figure 2 For the utility model embodiment Figure 1 Schematic diagram of the structure at point A in the middle.

[0017] Figure 3 For the utility model embodiment Figure 1 Schematic diagram of the structure at point B in the middle.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the rotating piece according to an embodiment of the utility model.

[0019] In the figure: 1. FRP purification tank; 11. Exhaust port; 12. Air collecting hood; 13. Water absorption layer; 14. Circulation pipe; 15. Spray pipe; 16. Circulation pump; 2. Feed assembly; 3. Guide tube; 4. Intake assembly; 41. Intake pipe; 42. First fixed frame; 43. Bushing; 44. Impeller; 45. Second fixed frame; 46. Rotating shaft; 47. Rotating piece; 471. Cone; 472. Rack; 48. Stirring rod. DETAILED DESCRIPTION

[0020] Reference Figures 1 to 4As shown, the utility model provides a glass fiber reinforced plastic multi-stage spray acid mist purification device, comprising: a glass fiber reinforced plastic purification tank 1 and an air intake assembly 4, the top of the glass fiber reinforced plastic purification tank 1 is provided with an exhaust port 11, and the glass fiber reinforced plastic purification tank 1 is provided with a spray pipe 15, the glass fiber reinforced plastic purification tank 1 is provided with a guide tube 3, and the upper side of the guide tube 3 is provided with a feed assembly 2, the feed assembly 2 includes a guide tube obliquely inserted in the glass fiber reinforced plastic purification tank 1, and the outer end of the guide tube is connected to a storage hopper, and the feed assembly 2 includes a guide tube The inside of the enclosed storage hopper is filled with quicklime particles, and a cover plate is provided on the top of the storage hopper, and a stirring motor is installed on the upper side of the cover plate, the air intake assembly 4 includes an air intake pipe 41, and an impeller blade 44 is provided inside the air intake pipe 41, and a shaft sleeve 43 is connected to the middle part of the impeller blade 44, and a rotating shaft 46 is connected to the lower end of the shaft sleeve 43, and a rotating piece 47 is connected to the lower end of the rotating shaft 46, and a rack 472 is connected to the upper side of the rotating piece 47, and a stirring rod 48 is symmetrically connected to the outer side of the rotating piece 47.

[0021] In this embodiment, the FRP purification tank 1, the air intake assembly 4 and the feed assembly 2 constitute the main structure of the FRP multi-stage spray acid mist purification device involved in this application.

[0022] Specifically, a pin-type solution concentration sensor is installed on the outer wall of the FRP purification tank 1, and a threshold parameter is set. It is electrically connected to the discharge electric control valve on the lower side of the feed component 2 through the external controller to realize automatic discharge space.

[0023] Specifically, the guide tube 3 is configured as two upper and lower bell-mouth structures that are arranged in opposite directions, and the bell-mouths are connected by a cylinder, and the guide tube 3 is fixed to the inner wall of the glass fiber reinforced plastic purification tank 1 .

[0024] As a preferred embodiment, by setting the guide tube 3, on the one hand, the acid mist emerging from the bottom upward can be quickly gathered in a small-area cylinder, and then discharged from the bell mouth on the upper side, thereby reducing the diffusion range of the acid mist inside the bell mouth and inside the cylinder, so that the sprayed alkali solution can contact the acid mist over a large area, thereby improving the reaction efficiency; on the other hand, the quicklime particles introduced into the tank body can be directed to the center of the alkali solution at the bottom, which is convenient for rapid stirring, uniform diffusion and dissolution.

[0025] like Figure 1 As shown, the lower end of the exhaust port 11 is connected to an air collecting hood 12, and the lower end of the air collecting hood 12 is provided with a water absorbing layer 13, and the water absorbing layer 13 is located on the upper side of the spray pipe 15, and the center of the upper end of the spray pipe 15 is connected to a circulation pipe 14 of an L-shaped structure, and a circulation pump 16 is connected to the pipeline of the circulation pipe 14, and the liquid extraction end of the circulation pump 16 is connected to the alkaline solution at the bottom of the inner side of the FRP purification tank 1 through a pipeline.

[0026] Specifically, the water absorption layer 13, the circulation pipe 14 and the circulation pump 16 are consistent with the relevant structures involved in the comparative documents in the background technology, and a filter box is also provided in the circulation pipe 14 to realize the recycling of the alkali solution after power is discharged.

[0027] like Figure 1 , Figure 2 and Figure 3 As shown, a first fixing frame 42 and a second fixing frame 45 are installed in the vertical pipe of the air intake pipe 41, and the sleeve 43 is rotatably connected to the middle part of the first fixing frame 42, and the impeller blades 44 are respectively located on the upper and lower sides of the first fixing frame 42, and the first fixing frame 42 and the second fixing frame 45 are both configured as a cross structure, and the second fixing frame 45 is located on the lower side of the first fixing frame 42, and the rotating shaft 46 rotates through the center of the second fixing frame 45, the rotating piece 47 includes two upper and lower cones 471, and the rack 472 is vertically fixed on the upper cone 471, and the rotating piece 47 is located on the lower side of the air outlet of the air intake pipe 41, and the rack 472 surrounds the outer side of the air outlet of the air intake pipe 41.

[0028] Specifically, the structure of the impeller blade 44 can realize self-rotation when being blown by airflow, and the installation position of the impeller blade 44 inside the air inlet pipe 41 is higher than the liquid level of the alkali solution.

[0029] Specifically, a booster pump is installed in the outer pipe of the air inlet pipe 41 to accelerate the flow rate of the acid mist, thereby generating a larger rotational thrust on the impeller blades 44, thereby overcoming the rotational resistance of the rotating shaft 46 and driving the rotating shaft 46 to rotate.

[0030] As a preferred embodiment, by providing a rack 472 around the air outlet on the lower side of the air inlet pipe 41, it is convenient to destroy the bubbles formed by the acid mist gas overflowing from the air outlet, thereby increasing the contact area between the acid mist gas and the alkali solution.

[0031] When in use, the alkaline solution inside the FRP purification tank is pumped to the upper side of the guide tube through the circulation pump, the circulation pipe and the spray pipe, and then the acid mist overflowing from the alkaline solution is sprayed for reaction to achieve secondary treatment. At the same time, the acid mist introduced by the air inlet pipe is subjected to primary treatment in the alkaline solution. When the concentration of the alkaline solution decreases, the guide pipe and the stirring motor at the bottom of the feed assembly are opened to transport the quicklime particles in the storage tank to the inside of the FRP purification tank, and then enter the alkaline solution through the guide tube, thereby increasing the concentration of the alkaline solution and ensuring the reaction treatment effect with the acid mist. In the process of introducing the acid mist gas through the air inlet pipe, the acid mist gas flow flows inside the pipe body and drives the rotation of the impeller blades, thereby driving the shaft sleeve and the rotating shaft to rotate, thereby driving the rotating plate connected to the air outlet on the lower side of the air inlet pipe to rotate, so that the bubbles formed by the gas introduced at the air outlet on the lower side of the air inlet pipe are destroyed by the rack driven by the rotating plate, thereby making the acid mist gas contact with the alkaline solution over a large area.

[0032] The FRP multi-stage spraying acid mist purification device of the utility model can effectively solve the problems that the existing FRP purification tower for acid mist treatment cannot realize timely compensation for the concentration of alkali solution, and there is a deviation in the reaction effect between the bubble acid mist and the alkali solution. It realizes, on the basis of the existing FRP multi-stage spraying acid mist purification device technology, the timely compensation for the concentration of the alkali solution inside the purification device is realized, the absorption reaction effect of the acid mist is guaranteed, and at the same time it is convenient to destroy the bubbles formed by the acid mist, thereby improving the treatment effect of the acid mist in the alkali solution.

Claims

1. A glass fiber reinforced plastic multi-stage spraying acid mist purification device, comprising: A glass fiber reinforced plastic purification tank (1) and an air intake assembly (4), wherein the top of the glass fiber reinforced plastic purification tank (1) is provided with an exhaust port (11), and the interior of the glass fiber reinforced plastic purification tank (1) is provided with a spray pipe (15), characterized in that: a guide tube (3) is provided inside the glass fiber reinforced plastic purification tank (1), and a feed assembly (2) is provided on the upper side of the guide tube (3), and the feed assembly (2) includes a guide tube obliquely inserted into the interior of the glass fiber reinforced plastic purification tank (1), and the outer end of the guide tube is connected to The material storage hopper, the air intake assembly (4) comprises an air intake pipe (41), and an impeller blade (44) is arranged inside the air intake pipe (41), and the middle part of the impeller blade (44) is connected to a shaft sleeve (43), and the lower end of the shaft sleeve (43) is connected to a rotating shaft (46), the lower end of the rotating shaft (46) is connected to a rotating piece (47), and the upper side of the rotating piece (47) is connected to a rack (472), and the outer side of the rotating piece (47) is symmetrically connected to a stirring rod (48).

2. A glass fiber reinforced plastic multi-stage spraying acid mist purification device according to claim 1, characterized in that: The lower end of the exhaust port (11) is connected to an air collecting hood (12), and a water absorbing layer (13) is provided at the lower end of the air collecting hood (12), and the water absorbing layer (13) is located on the upper side of the spray pipe (15).

3. A glass fiber reinforced plastic multi-stage spraying acid mist purification device according to claim 1, characterized in that: A circulating pipe (14) with an L-shaped structure is connected to the center of the upper end of the spray pipe (15), and a circulating pump (16) is connected to the pipeline of the circulating pipe (14), and the liquid extraction end of the circulating pump (16) is connected to the alkali solution at the bottom of the inner side of the glass fiber reinforced plastic purification tank (1) through a pipeline.

4. A glass fiber reinforced plastic multi-stage spraying acid mist purification device according to claim 1, characterized in that: The feeding assembly (2) comprises a storage hopper filled with quicklime particles, a cover plate is provided on the top of the storage hopper, and a stirring motor is installed on the upper side of the cover plate.

5. The FRP multi-stage spraying acid mist purification device according to claim 1 is characterized in that: A first fixing frame (42) and a second fixing frame (45) are installed in the vertical pipe of the air intake pipe (41), and the shaft sleeve (43) is rotatably connected to the middle of the first fixing frame (42), and the impeller blades (44) are respectively located on the upper and lower sides of the first fixing frame (42).

6. A glass fiber reinforced plastic multi-stage spraying acid mist purification device according to claim 5, characterized in that: The first fixing frame (42) and the second fixing frame (45) are both configured as a cross structure, and the second fixing frame (45) is located at the lower side of the first fixing frame (42), and the rotating shaft (46) rotates through the center of the second fixing frame (45).

7. The FRP multi-stage spraying acid mist purification device according to claim 1 is characterized in that: The rotating plate (47) comprises two upper and lower cones (471), and the rack (472) is vertically fixed on the upper cone (471), and the rotating plate (47) is located at the lower side of the air outlet of the air inlet pipe (41), and the rack (472) surrounds the outer side of the air outlet of the air inlet pipe (41).

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