Device for recovering and filtering boric anhydride in flue gas

By designing a spiral auger and scraper to clean the deposits on the inner wall of the device, combined with a detachable filter adsorption plate, the problem of pollutant deposition and adhesion during the recovery of boron anhydride in flue gas was solved, achieving efficient cleaning and recovery results.

CN223628370UActive Publication Date: 2025-12-05HENAN ZHONGBO NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202422942026.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-30
Publication Date
2025-12-05
Estimated Expiration
2034-11-30

AI Technical Summary

Technical Problem

In existing technologies, during the recovery of boron anhydride from flue gas, gaseous pollutants dissolve into the absorbent or react with active components and enter the liquid phase, leading to pollutant deposition and adhesion, making it difficult to clean the inner wall of the filter device.

Method used

A boron anhydride recovery and filtration device for flue gas was designed. It utilizes a spiral auger and scraper to clean the deposits on the inner wall of the device, and captures pollutants through a detachable filter adsorption plate. Combined with a servo motor and an electric telescopic frame, it achieves automated cleaning and replacement.

Benefits of technology

This facilitates the cleaning of deposits on the inner wall of the device, improves filtration and recovery efficiency, and makes the device easier to disassemble and maintain.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of boric anhydride recovery in flue gas, and discloses a device for recovering and filtering boric anhydride in flue gas, which comprises a body, a base and a mounting bolt, the outer surface of the body is provided with a cover plate, the outer surface of the cover plate is connected with a gas inlet pipe in a penetrating manner, and the outer surface of the body is communicated with a liquid inlet pipe; according to the device for recovering and filtering boric anhydride in flue gas, absorption liquid is injected into the body through the liquid inlet pipe, the output end of the gas inlet pipe is located in the absorption liquid, flue gas is absorbed and filtered in the absorption liquid under the flow guide of the gas inlet pipe, and boric anhydride and particulate matters after filtration are deposited at the bottom of the body, so that the boric anhydride in the flue gas is recovered and filtered. And after treatment is finished, a servo motor is controlled to operate, a spiral auger and a scraping plate are driven to synchronously operate, filtered objects adhered to the interior of the body and the inner wall of the connecting pipeline are scraped off, and finally the filtered objects are discharged from a discharging guide piece, so that the effect of conveniently cleaning deposited pollutants and adhered to the inner wall of the filtering device is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of boron trioxide recovery in flue gas, in particular to a boron trioxide recovery filtering device in flue gas. BACKGROUND

[0002] Boron trioxide has the chemical formula B2O3 and is also known as boron oxide. It is a colorless glassy crystal or powder with a smooth surface and no odor. Boron trioxide can strongly absorb water in the air to form boric acid and can be reduced to monomeric boron at high temperatures by alkali metals or magnesium and aluminum. It is soluble in acid, ethanol, and hot water, slightly soluble in cold water, and can form boron glass with several metals, which has a characteristic color. It can also completely dissolve with alkali, copper, silver, aluminum, arsenic, and tin oxides. The existing boron trioxide firing equipment has a direct flue gas system, and a small amount of boron trioxide is entrained in the flue gas, which not only causes serious environmental pollution but also results in a certain loss of yield.

[0003] Currently, in the recovery of boron trioxide in flue gas, gaseous pollutants are dissolved in absorption liquid or react with certain active components in the absorption liquid to enter the liquid phase, thereby separating gaseous pollutants from waste gas. This method can easily cause pollutants to deposit and adhere to the inner wall of the filtering device, making it difficult to clean. UTILITY MODEL CONTENT

[0004] To overcome the shortcomings of the prior art, the utility model provides a boron trioxide recovery filtering device in flue gas to solve the problem of easy deposition and adhesion of pollutants to the inner wall of the filtering device in the current recovery of boron trioxide in flue gas by dissolving gaseous pollutants in absorption liquid or reacting with certain active components in the absorption liquid to enter the liquid phase, thereby separating gaseous pollutants from waste gas.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a boron trioxide recovery filtering device in flue gas, including body, base and mounting bolt, the outer surface of body is provided with cover plate, the outer surface of cover plate is connected with air inlet pipe, the outer surface of body is connected with liquid inlet pipe, the bottom of body is fixedly connected with connecting pipeline, the outer surface of connecting pipeline is provided with servo motor, the output end of servo motor is fixedly installed with spiral auger, the outer surface of spiral auger is rotatably connected with the inner wall of connecting pipeline, the outer surface of spiral auger is fixedly installed with scraper, the outer surface of scraper is rotatably connected with the inner wall of body, the outer surface of connecting pipeline is connected with discharge guide.

[0006] Preferably, the outer surface of the base is fixedly provided with an electric telescopic bracket, the outer surface of the electric telescopic bracket is fixedly connected with the outer surface of the body, the output end of the electric telescopic bracket is fixedly connected with the outer surface of the cover plate, the outer surface of the cover plate is communicatively provided with an air outlet pipe, the outer surface of the air inlet pipe is slidably connected with a filter adsorption plate, the inside of the filter adsorption plate is provided with an adsorption inner core, and the filter adsorption plate is fixedly connected with the air inlet pipe through the mounting bolt.

[0007] Preferably, the filter adsorption plate is conical, and the outer surface of the filter adsorption plate is fixedly provided with a fixing plate, the outer surface of the fixing plate is slidably connected with the inner wall of the body, and the body is conical.

[0008] Preferably, the outer surfaces of the liquid inlet pipe and the material discharging guide are provided with valve elements, and the liquid inlet pipe is arranged at an angle of 90 degrees with the air inlet pipe.

[0009] Preferably, the outer surface of the base is provided with a controller, and the controller is electrically connected with the servo motor and the electric telescopic bracket.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The flue gas boron trioxide recovery filter device, through the liquid inlet pipe, the absorption liquid is injected into the body, the output end of the air inlet pipe is located in the absorption liquid, the flue gas is absorbed in the absorption liquid under the guidance of the air inlet pipe, the filtered boron trioxide and particulate matter are deposited at the bottom of the body, the servo motor is controlled to operate after the treatment is completed, the spiral auger and the scraper are synchronously operated, the filter material adhered to the inner wall of the body and the connecting pipeline is scraped off, and finally the filter material is discharged from the material discharging guide, so that the effect of conveniently cleaning the pollutant deposition and adhesion filter device inner wall is achieved.

[0012] 2. The flue gas boron trioxide recovery filter device, through the filter adsorption plate fixedly connected with the air inlet pipe through the mounting bolt, the adsorption inner core captures the pollutants in the flue gas after the absorption liquid treatment, and when the electric telescopic bracket operates, the cover plate is away from the body, the mounting bolt is disassembled to disassemble and replace the filter adsorption plate, so that the effects of improving the recovery filtering efficiency and facilitating disassembly and replacement are achieved. ACCURACY

[0013] Figure 1 It is a three-dimensional schematic view of the utility model structure;

[0014] Figure 2 It is a side sectional view of the utility model structure;

[0015] Figure 3 It is a three-dimensional schematic view of the utility model structure Figure 2 A schematic view of the utility model structure;

[0016] Figure 4 It is a structure front view of the utility model.

[0017] In the figure: 1, the body; 2, base; 3, cover plate; 4, air inlet pipe; 5, liquid inlet pipe; 6, air outlet pipe; 7, connecting pipeline; 8, servo motor; 9, spiral auger; 10, discharge guide; 11, scraper; 12, electric telescopic machine frame; 13, filter adsorption plate; 14, adsorption inner core; 15, fixed plate; 16, mounting bolt. DETAILED DESCRIPTION

[0018] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0019] Embodiment 1:

[0020] Please refer to Figs. 1-4,

[0021] A kind of boron trioxide recovery filter device in flue gas, including body 1, base 2 and mounting bolt 16, the outer surface of body 1 is provided with cover plate 3, cover plate 3 is penetrated and is connected with air inlet pipe 4, the outer surface of body 1 is provided with liquid inlet pipe 5, the bottom of body 1 is fixedly connected with connecting pipeline 7, the outer surface of connecting pipeline 7 is provided with servo motor 8, servo motor 8 is fixedly installed with spiral auger 9 on output end, the outer surface of spiral auger 9 is rotatably connected with the inner wall of connecting pipeline 7, the outer surface of spiral auger 9 is fixedly installed with scraper 11, the outer surface of scraper 11 is rotatably connected with the inner wall of body 1, the outer surface of connecting pipeline 7 is provided with discharge guide 10.

[0022] Specifically, by liquid inlet pipe 5 injects into body 1 absorption liquid, make the output end of air inlet pipe 4 be located in absorption liquid, make flue gas carry out absorption filtration in absorption liquid under the guidance of air inlet pipe 4, boron trioxide and particulate matter after filtration deposit in the bottom of body 1, after treatment, control servo motor 8 to operate, drive spiral auger 9 and scraper 11 to operate synchronously, scrape the filter material adhered in the inner wall of body 1 and connecting pipeline 7, finally discharge from discharge guide 10, so that the effect that it is convenient to clean the pollutant deposition and adhered filter device inner wall is achieved.

[0023] In the embodiment: the outer surface of liquid inlet pipe 5 and discharge guide 10 is provided with valve, liquid inlet pipe 5 and air inlet pipe 4 are arranged at the angle of 90 degrees.

[0024] Specifically, the valve is arranged on the outer surface of the liquid inlet pipe 5 and the discharge guide 10, the valve controls the inlet and outlet of the absorption liquid, avoids the smoke leakage, and the liquid inlet pipe 5 is arranged at an angle of 90 degrees with the air inlet pipe 4, so that the operation does not affect each other.

[0025] Working principle: the outer surface of the body 1 is provided with a cover plate 3, and the outer surface of the cover plate 3 is connected with an air inlet pipe 4, the outer surface of the body 1 is communicated with a liquid inlet pipe 5, and the bottom of the body 1 is fixedly connected with a connecting pipeline 7, the outer surface of the connecting pipeline 7 is provided with a servo motor 8, and the output end of the servo motor 8 is fixedly installed with a spiral auger 9, the outer surface of the spiral auger 9 is rotatably connected with the inner wall of the connecting pipeline 7, and the outer surface of the spiral auger 9 is fixedly installed with a scraper 11, the outer surface of the scraper 11 is rotatably connected with the inner wall of the body 1, and the outer surface of the connecting pipeline 7 is communicated with a discharge guide 10, the liquid inlet pipe 5 injects the absorption liquid into the body 1, the output end of the air inlet pipe 4 is located in the absorption liquid, the smoke is absorbed in the absorption liquid under the guidance of the air inlet pipe 4, the filtered borax and particulate matter are deposited at the bottom of the body 1, the servo motor 8 is controlled to operate after the treatment is completed, the spiral auger 9 and the scraper 11 are synchronously operated, the filter adhered to the inner wall of the body 1 and the connecting pipeline 7 is scraped, and finally is discharged from the discharge guide 10. Compared with the related art, the smoke borax recovery filter device has the following beneficial effects: the effect of facilitating the cleaning of the pollutant deposition and adhesion filter device inner wall is achieved.

[0026] Embodiment 2:

[0027] Please refer to Figs. 1-4,

[0028] The outer surface of the base 2 is fixedly installed with an electric telescopic machine frame 12, the outer surface of the electric telescopic machine frame 12 is fixedly connected with the outer surface of the body 1, the output end of the electric telescopic machine frame 12 is fixedly connected with the outer surface of the cover plate 3, the outer surface of the cover plate 3 is communicated with an air outlet pipe 6, the outer surface of the air inlet pipe 4 is slidably connected with a filter adsorption plate 13, the inside of the filter adsorption plate 13 is provided with an adsorption inner core 14, and the filter adsorption plate 13 is fixedly connected with the air inlet pipe 4 through mounting bolts 16.

[0029] Specifically, the filter adsorption plate 13 is fixedly connected with the air inlet pipe 4 through the mounting bolts 16, the adsorption inner core 14 captures the pollutants in the smoke after the absorption liquid treatment, the cover plate 3 is away from the body 1 during the operation of the electric telescopic machine frame 12, the filter adsorption plate 13 is disassembled and replaced by disassembling the mounting bolts 16, so that the effect of improving the recovery and filtration efficiency and facilitating the disassembly and replacement is achieved.

[0030] In the embodiment: the filter adsorption plate 13 is conical, and the outer surface of the filter adsorption plate 13 is fixedly provided with a fixed plate 15, the outer surface of the fixed plate 15 is in sliding connection with the inner wall of the body 1, and the body 1 is conical.

[0031] Specifically, since the filter adsorption plate 13 is conical, and the outer surface of the filter adsorption plate 13 is fixedly provided with the fixed plate 15, the outer surface of the fixed plate 15 is in sliding connection with the inner wall of the body 1, the fixed plate 15 is convenient to scrape and clean the inner wall of the body 1 under the operation of the electric telescopic machine frame 12, and impurities are collected, and the body 1 is conical, so that boron anhydride pollutants are conveniently deposited.

[0032] In the embodiment: the outer surface of the base 2 is provided with a controller, and the controller is in electrical connection with the servo motor 8 and the electric telescopic machine frame 12.

[0033] Specifically, the outer surface of the base 2 is provided with the controller, and the controller is in electrical connection with the servo motor 8 and the electric telescopic machine frame 12, the controller is a prior structure, and the control circuit can be realized through simple programming of a person skilled in the art, which belongs to the common knowledge in the art, and only the use is described, without modification, so that the control mode and the circuit connection are not described in detail, and the related structures are conveniently controlled.

[0034] Working principle: the outer surface of the electric telescopic machine frame 12 is fixedly connected with the outer surface of the body 1, and the output end of the electric telescopic machine frame 12 is fixedly connected with the outer surface of the cover plate 3, the outer surface of the cover plate 3 is in communication with the gas outlet pipe 6, the outer surface of the gas inlet pipe 4 is in sliding connection with the filter adsorption plate 13, the inside of the filter adsorption plate 13 is provided with the adsorption inner core 14, and the filter adsorption plate 13 is fixedly connected with the gas inlet pipe 4 through the mounting bolt 16, the filter adsorption plate 13 is fixedly connected with the gas inlet pipe 4 through the mounting bolt 16, so that the adsorption inner core 14 captures the pollutants in the flue gas treated by the absorption liquid, and the cover plate 3 is away from the body 1 when the electric telescopic machine frame 12 operates, the mounting bolt 16 is disassembled to disassemble and replace the filter adsorption plate 13, compared with the related art, the flue gas boron anhydride recovery filter device has the following beneficial effects: the recovery and filtering efficiency is improved, and the filter device is convenient to disassemble and replace.

[0035] 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. A flue gas boron trioxide recovery filter device comprising a body (1), a base (2) and mounting bolts (16), characterized in that: The outer surface of the body (1) is provided with a cover plate (3), the outer surface of the cover plate (3) is connected with an air inlet pipe (4), the outer surface of the body (1) is provided with a liquid inlet pipe (5), the bottom of the body (1) is fixedly connected with a connecting pipeline (7), the outer surface of the connecting pipeline (7) is provided with a servo motor (8), the output end of the servo motor (8) is fixedly installed with a spiral auger (9), the outer surface of the spiral auger (9) is rotatably connected with the inner wall of the connecting pipeline (7), the outer surface of the spiral auger (9) is fixedly installed with a scraper (11), the outer surface of the scraper (11) is rotatably connected with the inner wall of the body (1), and the outer surface of the connecting pipeline (7) is provided with a discharge guide (10).

2. A device for recovering boron trioxide from flue gas according to claim 1, characterized in that: The outer surface of the base (2) is fixedly installed with an electric telescopic rack (12), the outer surface of the electric telescopic rack (12) is fixedly connected with the outer surface of the body (1), the output end of the electric telescopic rack (12) is fixedly connected with the outer surface of the cover plate (3), the outer surface of the cover plate (3) is provided with an air outlet pipe (6), the outer surface of the air inlet pipe (4) is slidably connected with a filter adsorption plate (13), the inside of the filter adsorption plate (13) is provided with an adsorption inner core (14), and the filter adsorption plate (13) is fixedly connected with the air inlet pipe (4) through the mounting bolt (16).

3. A device for recovering boron trioxide from flue gas according to claim 2, characterized in that: The filter adsorption plate (13) is conical, and the outer surface of the filter adsorption plate (13) is fixedly installed with a fixed plate (15), the outer surface of the fixed plate (15) is slidably connected with the inner wall of the body (1), and the body (1) is conical.

4. A device for recovering boron trioxide from flue gas according to claim 1, characterized in that: The outer surfaces of the liquid inlet pipe (5) and the discharge guide (10) are provided with valve parts, and the liquid inlet pipe (5) and the air inlet pipe (4) are arranged at an angle of 90 degrees.

5. A device for recovering boron trioxide from flue gas according to claim 2, characterized in that: The outer surface of the base (2) is provided with a controller, and the controller is electrically connected with the servo motor (8) and the electric telescopic rack (12).