Metallurgical waste gas environment-friendly treatment device

Abstract

The utility model relates to the field of waste gas treatment, in particular to a metallurgical waste gas environment-friendly treatment device which comprises a gas inlet pipe, a spraying pipe and a treatment box, the gas inlet pipe is arranged on the left side of a device shell, spraying liquid is arranged in the device shell, the right side of the device shell is communicated with the spraying pipe, a spraying head is arranged on the spraying pipe, and treatment liquid is arranged on the lower portion in the treatment box. An activated carbon adsorption plate is arranged inside the treatment box, a drying plate is arranged above the activated carbon adsorption plate, an exhaust pipe is arranged in the center of the upper end of the treatment box in a communicated mode, and an exhaust fan is installed on the exhaust pipe. The environment and human health are protected; a closed circulating treatment mode is adopted, so that secondary pollution to the environment is reduced, and water resources and energy are saved; the filter screen does not need to be detached and is cleaned regularly, so that the intercepting effect of the filter screen is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to an environmentally friendly treatment device for metallurgical waste gas. Background Art

[0002] Metallurgy refers to the process and technology of extracting metals or metal compounds from minerals and using various processing methods to make metals into metal materials with certain properties. During the metallurgical process, a lot of waste gas will be generated. In order to reduce the pollutants in the waste gas, the waste gas environmental protection treatment device will be used to treat the waste gas. In the waste gas treatment process, spray treatment is a more common treatment method.

[0003] In the related art, a large amount of water resources are used in the process of spraying waste gas treatment. If fresh water is used for a long time, it will cause a waste of water resources. For this reason, we propose an environmentally friendly treatment device for metallurgical waste gas.

[0004] The above information disclosed in this Background section is only for understanding the background of the present inventive concept and therefore it may contain information that does not constitute prior art. Utility Model Content

[0005] The purpose of the utility model is to provide an environmentally friendly treatment device for metallurgical waste gas, so as to solve the problem that a large amount of water resources are used in the process of spraying waste gas treatment proposed in the above background technology. If fresh water is used for a long time, it will cause a waste of water resources.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A metallurgical waste gas environmental protection treatment device comprises a device shell, an air intake pipe, a spray pipe and a treatment box, wherein the lower left end of the device shell is connected to the air intake pipe, the air intake pipe is connected to the inside of the device shell, an air intake fan is installed on the air intake pipe, the lower inner end of the device shell is filled with spray liquid, the right side of the device shell is connected to the spray pipe, the lower end of the spray pipe is connected to the spray liquid inside the device shell, the upper end of the spray pipe passes through the right side wall of the device shell, the upper end of the spray pipe is horizontally arranged inside the device shell, and the upper end of the spray pipe is installed at intervals below A plurality of groups of spray heads are provided, a filter is horizontally installed above the spray pipe inside the device shell, a connecting pipe is connected to the upper right end of the device shell, an air supply fan is installed on the connecting pipe, the right side of the connecting pipe is connected to the lower left end of the processing box, the lower part of the processing box is filled with processing liquid, an activated carbon adsorption plate is installed at the upper end of the processing liquid in the processing box, a drying plate is horizontally installed inside the processing box above the activated carbon adsorption plate, an exhaust pipe is connected to the central position of the upper end of the processing box, an exhaust fan is installed on the exhaust pipe.

[0008] In some embodiments, a mounting plate is horizontally installed at the lower end of the filter screen inside the device housing, a rotating stud is rotatably arranged inside the mounting plate, the right side of the rotating stud is rotatably arranged in a movable sleeve, the left side of the rotating stud is connected to the output end of the driving motor inside the mounting plate, a mounting block is threadedly engaged with the outer side of the rotating stud, a fixing plate is fixedly arranged on the upper end of the mounting block, a cleaning component is installed on the upper end of the fixing plate, and the upper end of the cleaning component is fitted with the lower end of the filter screen.

[0009] In some embodiments, the right side of the drying plate passes through the wall of the processing box, a sealing plate is installed at the contact position between the drying plate and the processing box, a connecting plate is fixedly provided on the right side of the drying plate, a connecting stud is penetrated by the connecting plate, and a fastening nut is matched on the connecting stud, and the right side structure of the activated carbon adsorption plate is the same as that of the drying plate.

[0010] In some embodiments, a liquid level sensor is installed at the lower left end of the inner part of the device housing and the processing box, and a supplementary water pipe and a drain pipe are connected to the front end of the device housing and the processing box. A stop valve is installed on the supplementary water pipe and the drain pipe.

[0011] In some embodiments, an observation window is installed at the front end of the device housing and the processing box, and a controller is installed on the right side of the observation window at the front end of the device housing.

[0012] In some embodiments, a maintenance opening is provided at the front end of the device housing at a position corresponding to the filter.

[0013] The beneficial effects of the utility model are:

[0014] It can effectively purify metallurgical waste gas, reduce the content of harmful substances in the waste gas, and protect the environment and human health; it adopts a closed-loop treatment method to reduce secondary pollution to the environment and save water resources and energy; the filter does not need to be disassembled, and the filter is cleaned regularly to ensure the interception effect of the filter. At the same time, the activated carbon adsorption plate and the drying plate are detachable, which is convenient for replacement of the activated carbon adsorption plate and the drying plate; it has the characteristics of automation and intelligence, easy operation, safety and reliability, and low maintenance cost; it has the characteristics of compact structure, small footprint, and strong adaptability, and can be adjusted and optimized according to the characteristics of different metallurgical waste gases. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a metallurgical waste gas environmental protection treatment device proposed by the utility model;

[0016] Figure 2 This is a front view of a metallurgical waste gas environmental protection treatment device proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the installation plate and cleaning components of a metallurgical waste gas environmental protection treatment device proposed by the utility model;

[0018] Figure 4 This is an enlarged view of point A of a metallurgical waste gas environmental protection treatment device proposed by the utility model.

[0019] In the figure: 1 is the device housing, 2 is the liquid level sensor, 3 is the spray liquid, 4 is the air intake pipe, 5 is the air intake fan, 6 is the spray pipe, 7 is the spray head, 8 is the filter screen, 9 is the mounting plate, 10 is the spray pump, 11 is the connecting pipe, 12 is the air delivery fan, 13 is the processing box, 14 is the processing liquid, 15 is the activated carbon adsorption plate, 16 is the drying plate, 17 is the exhaust pipe, 18 is the exhaust fan, 19 is the observation window, 20 is the controller, 21 is the inspection port, 22 is the drain pipe, 23 is the supplementary water pipe, 24 is the rotating stud, 25 is the mounting block, 26 is the fixing plate, 27 is the cleaning component, 28 is the driving motor, 29 is the movable sleeve, 30 is the connecting plate, 31 is the connecting stud, 32 is the fastening nut, and 33 is the sealing plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] It should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0022] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected 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.

[0023] Reference Figure 1 , 2 3. A metallurgical waste gas environmental protection treatment device comprises a device shell 1, an air intake pipe 4, a spray pipe 6 and a treatment box 13. The left lower end of the device shell 1 is connected to the air intake pipe 4, and the air intake pipe 4 is connected to the inside of the device shell 1. An air intake fan 5 is installed on the air intake pipe 4. The lower end of the inside of the device shell 1 is filled with a spray liquid 3. The right side of the device shell 1 is connected to the spray pipe 6. The lower end of the spray pipe 6 is connected to the spray liquid 3 inside the device shell 1. The upper end of the spray pipe 6 passes through the right side wall of the device shell 1. The upper end of the spray pipe 6 is horizontally arranged inside the device shell 1. A plurality of groups of spray heads 7 are installed at intervals below the upper end of the spray pipe 6. A filter screen 8 is horizontally installed above the spray pipe 6 inside the device shell 1. The device shell 1 is connected to the upper right end thereof, and an air delivery fan 12 is installed on the connecting pipe 11. The right side of the connecting pipe 11 is connected to the lower left end of the processing box 13. The processing box 13 is filled with a processing liquid 14 at the lower part thereof. An activated carbon adsorption plate 15 is installed at the upper end of the processing liquid 14 in the processing box 13. A drying plate 16 is horizontally installed inside the processing box 13 above the activated carbon adsorption plate 15. An exhaust pipe 17 is connected to the central position of the upper end of the processing box 13, and an exhaust fan 18 is installed on the exhaust pipe 17. Impurities in the exhaust gas are preliminarily treated through the spray pipe 6 and the filter 8, and then the exhaust gas is transported to the processing box 13 through the air delivery fan 12, and harmful components in the exhaust gas are treated through the processing liquid 14.

[0024] When the embodiments of the present utility model are implemented, Figure 1 ,3 As shown, a mounting plate 9 is horizontally installed at the lower end of the filter 8 inside the device housing 1, a rotating stud 24 is rotatably arranged inside the mounting plate 9, the right side of the rotating stud 24 is rotatably arranged in a movable sleeve 29, the left side of the rotating stud 24 is connected to the output end of the driving motor 28 inside the mounting plate 9, a mounting block 25 is arranged on the outer side of the rotating stud 24 in threaded engagement, a fixing plate 26 is fixedly arranged on the upper end of the mounting block 25, a cleaning component 27 is installed on the upper end of the fixing plate 26, the upper end of the cleaning component 27 is fitted with the lower end of the filter 8, the cleaning component 27 is fitted with the filter 8, and the filter 8 that has been used for a long time can be cleaned by the cleaning component 27 to avoid clogging of the filter 8.

[0025] When the embodiments of the present utility model are implemented, Figure 1 , 4 As shown, the right side of the drying plate 16 passes through the wall of the processing box 13, and a sealing plate 33 is installed at the contact position between the drying plate 16 and the processing box 13. A connecting plate 30 is fixedly provided on the right side of the drying plate 16, and a connecting stud 31 is penetrated by the connecting plate 30. A fastening nut 32 is matched on the connecting stud 31. The right side structure of the activated carbon adsorption plate 15 is the same as that of the drying plate 16. By connecting the stud 31, the fastening nut 32 and the connecting plate 30, the activated carbon adsorption plate 15 and the drying plate 16 can be quickly replaced.

[0026] When the embodiments of the present utility model are implemented, Figure 1 , 2 As shown, a liquid level sensor 2 is installed at the lower left end of the inner part of the device housing 1 and the processing box 13, a supplementary water pipe 23 and a drain pipe 22 are connected to the front end of the device housing 1 and the processing box 13, and a stop valve is installed on the supplementary water pipe 23 and the drain pipe 22. An observation window 19 is installed at the front end of the device housing 1 and the processing box 13, and a controller 20 is installed on the right side of the observation window 19 at the front end of the device housing 1. An inspection port 21 is opened at the front end of the device housing 1 at the corresponding position of the filter screen 8, and the spray liquid 3 and the processing liquid 14 can be replenished in time through the set liquid level sensor 2.

[0027] In this embodiment, the metallurgical waste gas is sucked into the air intake pipe 4 by the air intake fan 5, and then enters the interior of the device housing 1, and is fully contacted with the spray liquid 3. The spray liquid 3 is sprayed out by the spray pipe 6 and the spray head 7 to form a mist, which physically or chemically reacts with the impurities and harmful components in the waste gas, is dissolved or neutralized, and then settles at the lower end of the device housing 1; the waste gas treated by the spray liquid 3 is then filtered by the filter 8 to remove residual solid particles or droplets, thereby improving the cleanliness of the waste gas. A cleaning component 27 is installed at the lower end of the filter 8, which can clean the filter 8 regularly or irregularly to prevent the filter 8 from being blocked and affecting the efficiency; the waste gas treated by the filter 8 is sent into the connecting pipe 11 by the air delivery fan 12, and then enters the interior of the treatment box 13, and is fully contacted with the treatment liquid 14. The treatment liquid 14 can be based on Different reagents are selected according to the composition of the exhaust gas to further oxidize or reduce the harmful components in the exhaust gas to convert them into harmless or low-harm substances, such as carbon dioxide, water, sulfate, etc.; the exhaust gas treated by the treatment liquid 14 is then adsorbed by the activated carbon adsorption plate 15 to remove residual organic matter or other difficult-to-treat substances, thereby improving the purification degree of the exhaust gas. The right side of the activated carbon adsorption plate 15 can be quickly replaced by connecting the stud 31, the fastening nut 32 and the connecting plate 30, so as to facilitate recycling and regeneration; the exhaust gas treated by the activated carbon adsorption plate 15 is then dried by the drying plate 16 to remove excess moisture, prevent condensation, and improve the stability of the exhaust gas; the exhaust gas treated by the drying plate 16 is sent to the exhaust pipe 17 by the exhaust fan 18, and then discharged into the atmosphere to meet the environmental emission standards.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A metallurgical waste gas environmental treatment device, comprising a device housing (1), an air intake pipe (4), a spray pipe (6) and a treatment box (13), characterized in that: An air intake pipe (4) is provided at the lower left end of the device housing (1), the air intake pipe (4) is connected to the interior of the device housing (1), an air intake fan (5) is installed on the air intake pipe (4), the interior lower end of the device housing (1) is filled with spray liquid (3), a spray pipe (6) is provided at the right side of the device housing (1), the lower end of the spray pipe (6) is connected to the spray liquid (3) inside the device housing (1), the upper end of the spray pipe (6) passes through the right side wall of the device housing (1), the upper end of the spray pipe (6) is horizontally arranged inside the device housing (1), a plurality of groups of spray heads (7) are installed at intervals below the upper end of the spray pipe (6), and the upper end of the spray pipe (6) is located in the device housing (1). A filter screen (8) is installed horizontally inside, a connecting pipe (11) is connected to the upper right end of the device housing (1), an air delivery fan (12) is installed on the connecting pipe (11), the right side of the connecting pipe (11) is connected to the lower left end of the processing box (13), the lower part of the processing box (13) is filled with a processing liquid (14), an activated carbon adsorption plate (15) is installed inside the processing box (13) at the upper end of the processing liquid (14), a drying plate (16) is installed horizontally inside the processing box (13) above the activated carbon adsorption plate (15), an exhaust pipe (17) is connected to the central position of the upper end of the processing box (13), and an exhaust fan (18) is installed on the exhaust pipe (17).

2. The environmental protection treatment device for metallurgical waste gas according to claim 1 is characterized in that: The lower end of the filter screen (8) is horizontally mounted with a mounting plate (9) inside the device housing (1); a rotating stud (24) is rotatably mounted inside the mounting plate (9); the right side of the rotating stud (24) is rotatably mounted inside a movable sleeve (29); the left side of the rotating stud (24) is connected to the output end of a driving motor (28) inside the mounting plate (9); a mounting block (25) is threadedly engaged with the outer side of the rotating stud (24); a fixing plate (26) is fixedly mounted on the upper end of the fixing plate (26); a cleaning component (27) is mounted on the upper end of the fixing plate (26); the upper end of the cleaning component (27) is fitted with the lower end of the filter screen (8).

3. The environmental protection treatment device for metallurgical waste gas according to claim 1 is characterized in that: The right side of the drying plate (16) passes through the wall of the processing box (13); a sealing plate (33) is installed at the contact position between the drying plate (16) and the processing box (13); a connecting plate (30) is fixedly provided on the right side of the drying plate (16); a connecting stud (31) is provided through the connecting plate (30); a fastening nut (32) is matched with the connecting stud (31); the right side structure of the activated carbon adsorption plate (15) is the same as that of the drying plate (16).

4. The environmental protection treatment device for metallurgical waste gas according to claim 1 is characterized in that: A liquid level sensor (2) is installed at the lower left end of the device housing (1) and the processing box (13); a supplementary water pipe (23) and a drainage pipe (22) are connected to the front end of the device housing (1) and the processing box (13); and stop valves are installed on the supplementary water pipe (23) and the drainage pipe (22).

5. The environmental protection treatment device for metallurgical waste gas according to claim 1 is characterized in that: An observation window (19) is installed at the front end of the device housing (1) and the processing box (13), and a controller (20) is installed on the right side of the observation window (19) at the front end of the device housing (1).

6. The environmental protection treatment device for metallurgical waste gas according to claim 1 is characterized in that: A maintenance opening (21) is provided at the front end of the device housing (1) at a position corresponding to the filter screen (8).

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