Silicon-manganese alloy smelting waste gas collecting device

Abstract

The utility model relates to the technical field of waste gas treatment, and discloses a silicomanganese alloy smelting waste gas collecting device which comprises a filter cartridge and further comprises a slag discharging barrel arranged at the bottom of the filter cartridge, a gas inlet pipe is fixedly connected to the top of the filter cartridge, a slag receiving piece is arranged at the bottom of the slag discharging barrel, and a filter piece is arranged in the filter cartridge; the gas conveying pipe is arranged on the outer side of the filter cartridge, a purification tower is arranged on the outer side of the gas conveying pipe, and a spraying piece is arranged on the outer side of the purification tower; waste gas is discharged into the filter cartridge through the gas inlet pipe, the waste gas is filtered through the filter part in the filter cartridge, cleaned filter residues are received and treated through the residue receiving part, the filtered waste gas enters the purification tower through the gas conveying pipe, and the waste gas is purified through the spraying part and the rotational flow plate, so that the cleanliness of the waste gas is improved; sprayed water falls into the water purification cylinder and is purified by liquid medicine, and the treated water falls into the water collection tank and is reused.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a silicon-manganese alloy smelting waste gas collection device. Background Art

[0002] High silicon silicon manganese alloy is an alloy composed of manganese, silicon, iron and a small amount of carbon and other elements. It is a ferroalloy with a wide range of uses and a large output. Manganese silicon alloy is a commonly used composite deoxidizer in steelmaking, and is also a reducing agent for producing medium and low carbon ferromanganese and producing metallic manganese by electro-silicon thermal method. Manganese and silicon are the main alloying elements used in carbon steel. In the production process of high silicon silicon manganese alloy, the raw materials are smelted in a hot melting furnace. The high silicon silicon manganese alloy smelting device will produce a large amount of waste gas in the process of smelting the raw materials.

[0003] Comparative document CN217929826U discloses an environmentally friendly high-silicon silicon-manganese alloy smelting device, in which a dust collecting bag filters particulate matter in the exhaust gas, and the filtered exhaust gas is discharged into a third fixed box through a one-way valve, and then water is pumped from the water tank through a second water pump, and the water is discharged into the third fixed box through a water outlet. The water in the third fixed box absorbs odor and dust in the exhaust gas, and the absorbed exhaust gas is discharged through an exhaust pipe, and the waste water is discharged through a second drain pipe. In the above device, water is used to purify the exhaust gas, and the purified waste water is directly discharged, which not only pollutes the environment but also wastes water resources. Utility Model Content

[0004] The purpose of the utility model is to provide a silicon-manganese alloy smelting waste gas collection device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silicon-manganese alloy smelting waste gas collection device, including a filter cartridge, and also including: a slag discharge cartridge arranged at the bottom of the filter cartridge, the top of the filter cartridge is fixedly connected with an air inlet pipe, the bottom of the slag discharge cartridge is provided with a slag receiving piece, and a filter element is arranged inside the filter cartridge; an air supply pipe arranged on the outside of the filter cartridge, a purification tower is arranged on the outside of the air supply pipe, a spray element is arranged on the outside of the purification tower, a water purification cartridge is fixedly connected to the bottom of the water purification cartridge, a water collecting pool is arranged at the bottom of the water purification cartridge, an exhaust pipe is fixedly connected to the top of the purification tower, and a swirl plate is fixedly connected to the inside of the purification tower.

[0006] Preferably, the slag receiving member comprises a slag receiving box fixedly connected to the bottom of the slag discharge barrel, and a drawer is inserted into the interior of the slag receiving box.

[0007] Preferably, the filter element comprises a filter screen arranged inside the filter cartridge, a filter element is fixedly connected to the bottom of the filter screen, and a mounting rod is fixedly connected to the top of the filter screen.

[0008] Preferably, a solenoid valve is provided inside the water purification cylinder.

[0009] Preferably, the spraying member comprises a circulation pump arranged outside the water collecting tank, a water outlet pipe is arranged outside the circulation pump, a branch pipe is arranged outside the water outlet pipe, and a spray head is fixed outside the branch pipe.

[0010] Preferably, there are three groups of branch pipes and nozzles, which are evenly arranged inside the purification tower.

[0011] Preferably, a mounting ring is fixedly connected to the outer side of the cyclone plate, and the mounting ring is fixed inside the purification tower.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model discharges the waste gas into the filter cartridge through the air inlet pipe, filters the waste gas through the filter element inside the filter cartridge, receives and processes the cleaned filter residue through the residue receiving element, and the filtered waste gas enters the purification tower through the air transmission pipe, purifies the waste gas through the spray element and the swirl plate to improve the cleanliness of the waste gas, and the water after spraying falls into the water purification cartridge and is purified by the liquid medicine, and the treated water falls into the water collection tank and is reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of the silicon-manganese alloy smelting waste gas collection device provided by the utility model;

[0015] Figure 2 A schematic diagram of the filter cartridge structure provided by the utility model;

[0016] Figure 3 A schematic diagram of the filter structure provided by the utility model;

[0017] Figure 4 A schematic diagram of the purification tower structure provided by the utility model;

[0018] Figure 5 A schematic diagram of the branch pipe and nozzle connection structure provided by the utility model;

[0019] Figure 6 This is a schematic diagram of the swirl plate structure provided by the utility model.

[0020] In the figure: 1. filter cartridge; 2. slag discharge cartridge; 3. air inlet pipe; 4. slag receiving part; 401. slag receiving box; 402. drawer; 5. filter element; 501. filter screen; 502. filter element; 503. mounting rod; 6. water collecting tank; 7. water purification cartridge; 8. purification tower; 9. spray part; 901. circulation pump; 902. water outlet pipe; 903. branch pipe; 904. nozzle; 10. air supply pipe; 11. exhaust pipe; 12. swirl plate; 13. mounting ring. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-6 As shown, a silicon-manganese alloy smelting waste gas collection device includes a filter cartridge 1, and also includes: a slag discharge cartridge 2 arranged at the bottom of the filter cartridge 1, the top of the filter cartridge 1 is fixedly connected with an air inlet pipe 3, the bottom of the slag discharge cartridge 2 is provided with a slag receiving member 4, and the interior of the filter cartridge 1 is provided with a filter member 5; an air supply pipe 10 arranged on the outside of the filter cartridge 1, a purification tower 8 is provided on the outside of the air supply pipe 10, a spray member 9 is provided on the outside of the purification tower 8, a water purification cartridge 7 is fixedly connected to the bottom of the purification tower 8, a water collecting tank 6 is provided at the bottom of the water purification cartridge 7, an exhaust pipe 11 is fixedly connected to the top of the purification tower 8, and a swirl plate 12 is fixedly connected to the interior of the purification tower 8.

[0023] It should be noted that: the exhaust gas enters the filter cartridge 1 through the air inlet pipe 3, is filtered by the filter element 5 inside the filter cartridge 1, the cleaned filter residue is received and processed by the residue receiving element 4, the filtered exhaust gas enters the purification tower 8 through the air supply pipe 10, is purified by the spray element 9 and the cyclone plate 12 to improve the cleanliness of the exhaust gas, the water after spraying falls into the water purification cartridge 7 and is purified by the liquid medicine, and the treated water falls into the water collecting tank 6 for reuse.

[0024] refer to Figure 1 , Figure 2 and Figure 3 As shown, the slag receiving member 4 includes a slag receiving box 401 fixedly connected to the bottom of the slag discharge barrel 2, and a drawer 402 is inserted into the slag receiving box 401; the filter member 5 includes a filter screen 501 arranged inside the filter barrel 1, a filter element 502 is fixedly connected to the bottom of the filter screen 501, and a mounting rod 503 is fixedly connected to the top of the filter screen 501. When the waste gas enters the filter barrel 1, it first passes through the filter screen 501 to filter out large particles of impurities, and the waste gas after the initial filtration enters the filter element 502 for further filtration. After the filtration, the waste residue inside the filter barrel 1 is cleaned and falls into the drawer 402 inside the slag receiving box 401. The drawer 402 can be pulled out to facilitate the cleaning of the waste residue.

[0025] refer to Figure 1 , Figure 4 , Figure 5 and Figure 6As shown, a solenoid valve is arranged inside the water purification cylinder 7; the spray part 9 includes a circulation pump 901 arranged outside the water collecting tank 6, an outlet pipe 902 is arranged outside the circulation pump 901, a branch pipe 903 is arranged outside the outlet pipe 902, and a nozzle 904 is fixed outside the branch pipe 903; there are three groups of branch pipes 903 and nozzles 904, which are evenly arranged inside the purification tower 8; the outer side of the swirl plate 12 is fixedly connected with a mounting ring 13, and the mounting ring 13 is fixed inside the purification tower 8. The filtered exhaust gas is discharged into the purification tower 8 through the air supply pipe 10, and the airflow is introduced into the rotating channel through the cyclone plate 12, so that the airflow rotates when passing through the rotating channel, thereby forming a vortex area. In the vortex area, gases of different densities will separate, light gases will move away from the vortex center, and heavy gases will move close to the vortex center, and will be discharged downward at the vortex center to separate and filter impurities in the gas. At the same time, the circulating pump 901 draws clean water from the water collection tank 6 into the outlet pipe 902 and the branch pipe 903, and sprays it out through the nozzle 904 to absorb and treat the odor and dust in the exhaust gas, and the waste water is discharged into the water purification cylinder 7, and the waste water is purified by the liquid medicine inside the water purification cylinder 7. After purification, the solenoid valve inside the water purification cylinder 7 is opened to discharge the water into the water collection tank 6 for recycling.

[0026] Working principle: the exhaust gas enters the filter cartridge 1 through the air inlet pipe 3. After entering the filter cartridge 1, the exhaust gas first passes through the filter screen 501 to filter out large particles of impurities. The exhaust gas after the initial filtration enters the filter element 502 for further filtration. After the filtration, the waste residue inside the filter cartridge 1 is cleaned and the waste residue falls into the drawer 402 inside the residue receiving box 401. The drawer 402 can be pulled out to facilitate the cleaning of the waste residue. The filtered exhaust gas is discharged to the purification tower 8 through the air delivery pipe 10. The airflow is introduced into the rotating channel through the swirl plate 12, so that the airflow rotates when passing through the rotating channel, thereby forming a swirl. Vortex area, in the vortex area, gases of different densities will separate, light gas will move away from the vortex center, heavy gas will move closer to the vortex center, and will be discharged downward at the vortex center to separate and filter impurities in the gas. At the same time, the circulating pump 901 draws clean water in the collection tank 6 into the outlet pipe 902 and the branch pipe 903, and sprays it out through the nozzle 904 to absorb the odor and dust in the exhaust gas, and the waste water is discharged into the water purification cylinder 7, and the waste water is purified by the liquid medicine in the water purification cylinder 7. After purification, the solenoid valve inside the water purification cylinder 7 is opened to discharge the water into the collection tank 6 for recycling.

[0027] 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 sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A silicon-manganese alloy smelting waste gas collection device, comprising a filter cartridge (1), characterized in that: Also includes: A slag discharge cylinder (2) is arranged at the bottom of the filter cylinder (1), the top of the filter cylinder (1) is fixedly connected to an air inlet pipe (3), a slag receiving member (4) is arranged at the bottom of the slag discharge cylinder (2), and a filter member (5) is arranged inside the filter cylinder (1); An air delivery pipe (10) is arranged outside the filter cartridge (1), a purification tower (8) is arranged outside the air delivery pipe (10), a spraying element (9) is arranged outside the purification tower (8), a water purification cartridge (7) is fixedly connected to the bottom of the purification tower (8), a water collecting tank (6) is arranged at the bottom of the water purification cartridge (7), an exhaust pipe (11) is fixedly connected to the top of the purification tower (8), and a swirl plate (12) is fixedly connected inside the purification tower (8).

2. The silicon-manganese alloy smelting waste gas collection device according to claim 1, characterized in that: The slag receiving member (4) comprises a slag receiving box (401) fixedly connected to the bottom of the slag discharge tube (2), and a drawer (402) is inserted into the interior of the slag receiving box (401).

3. The silicon-manganese alloy smelting waste gas collection device according to claim 1, characterized in that: The filter element (5) comprises a filter screen (501) arranged inside the filter cartridge (1), a filter element (502) being fixedly connected to the bottom of the filter screen (501), and a mounting rod (503) being fixedly connected to the top of the filter screen (501).

4. The silicon-manganese alloy smelting waste gas collection device according to claim 1, characterized in that: A solenoid valve is arranged inside the water purification cylinder (7).

5. The silicon-manganese alloy smelting waste gas collection device according to claim 1, characterized in that: The spraying element (9) comprises a circulation pump (901) arranged outside the water collecting tank (6), a water outlet pipe (902) is arranged outside the circulation pump (901), a branch pipe (903) is arranged outside the water outlet pipe (902), and a spray head (904) is fixed outside the branch pipe (903).

6. The silicon-manganese alloy smelting waste gas collection device according to claim 5, characterized in that: There are three groups of branch pipes (903) and nozzles (904), which are evenly arranged inside the purification tower (8).

7. The silicon-manganese alloy smelting waste gas collection device according to claim 1, characterized in that: The outer side of the cyclone plate (12) is fixedly connected with a mounting ring (13), and the mounting ring (13) is fixed inside the purification tower (8).

Images