Smelting furnace flue gas pollution and carbon reduction system based on high-purity silicon

Abstract

The utility model belongs to the technical field of flue gas treatment, and particularly discloses a flue gas pollution and carbon reduction system based on a high-purity silicon smelting furnace, which comprises a base plate and a filter box, the filter box is mounted on the left side of the top end of the base plate, a tower body is longitudinally arranged on the left side in the filter box, and clamping blocks are respectively fixed at four corners in the tower body. An inner box is clamped and fixed between the clamping blocks, and a bent pipe is mounted between the bottom of the tower body and the lower left corner of the filter box. According to the flue gas pollution and carbon reduction system based on the high-purity silicon smelting furnace, the space between the inner box and the filter plates is filled with bamboo charcoal particles, waste gas can be continuously input into the tower body by opening the second air pump or the first air pump, the waste gas passes through the filter plates layer by layer and is preliminarily purified and adsorbed by the bamboo charcoal particles, and gas from bottom to top is guided out after the upper valve is opened; gas from top to bottom is guided out after the lower valve is opened and is continuously pumped to other places through the suction pipe on the right side, and the problem that the gas inlet position is fixed is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flue gas pollution reduction and carbon reduction system based on high-purity silicon smelting furnace. BACKGROUND

[0002] The high-purity silicon smelting furnace is a device that can reduce silicon oxides in silicon ore raw materials into metallic silicon, which can avoid the generation of a large amount of sulfur dioxide, carbon dioxide, and dust waste due to high ambient temperature during the process, which is not conducive to environmental protection.

[0003] Referring to the existing patent number CN202223122349.1, a flue gas pollution reduction and carbon reduction system based on high-purity silicon smelting furnace. The utility model discloses a smelting furnace, a waste heat boiler, a dust removal module, a denitration module, a desulfurization module, a decarbonization module, and a chimney. The dust removal module includes a first-stage dust removal module and a second-stage dust removal module. The water-cooled section of the smelting furnace, the waste heat boiler, the first-stage dust removal module, the second-stage dust removal module, the denitration module, the desulfurization module, the decarbonization module, and the chimney are connected in sequence. The structural features are that the first-stage dust removal module includes a cyclone dust collector, the second-stage dust removal module includes a bag-type dust collector, the denitration module includes an ozone grid, the desulfurization module includes a desulfurization tower, the decarbonization module includes an absorption tower, a phase separator, and a regeneration tower, and the waste heat boiler, the cyclone dust collector, the bag-type dust collector, the ozone grid, the desulfurization tower, the absorption tower, the phase separator, the regeneration tower, and the chimney are connected in sequence. The purpose is to cooperatively control dust, NOx, SO2, CO2, HCl, HF, and other pollutants. This device does not clearly describe the pipeline for waste gas in and out. If the gas density is not the same, it will not be convenient to transfer to the next device, and the applicability is poor.

[0004] Now, a new flue gas pollution reduction and carbon reduction system based on high-purity silicon smelting furnace is proposed to solve the above problems. Utility model content

[0005] The utility model aims to provide a flue gas pollution reduction and carbon reduction system based on high-purity silicon smelting furnace to solve the problem of fixed air inlet position in the background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high-purity silicon smelting furnace flue gas pollution reduction and carbon reduction system based on, including base plate and filter box, the left side of base plate top is equipped with filter box, and the left side inside filter box is vertically provided with tower body, the inside four corners of tower body are respectively fixed with clamping block, and inner box is fixedly connected between clamping block, bend pipe is installed between the lower left corner of tower body bottom and filter box, and air pump one is installed in the lower left corner of filter box outside, straight pipe is installed between the left side of filter box top and tower body, and air pump two is installed on straight pipe, upper valve is installed in the right side of tower body top, lower valve is installed in the right side of tower body bottom, three groups of filter plates are horizontally installed in inner box, bamboo charcoal particles are filled between inner box and filter plate, hose is installed between the top and bottom of inner box and tower body respectively, tank body is installed in the right side of base plate top.

[0007] As a further technical scheme of the utility model, the filter plate and the tower body are in the same vertical plane, and the inner box can move back and forth in the cavity formed between the clamping blocks.

[0008] As a further technical scheme of the utility model, a frame is installed between the upper and lower portions of the right side inside the filter box, and a screw rod is movably connected between the upper and lower portions inside the frame, a threaded block is sleeved on the outside of the screw rod, a suction pipe is fixed transversely on the front end of the threaded block, a connecting pipe is installed on the right side of the suction pipe, air pump three is installed on the upper left corner of the outside of the tank body, a servo motor is installed on the right side of the top end of the outside of the filter box, and a sliding groove is longitudinally arranged on the surface of the back plate of the frame.

[0009] As a further technical scheme of the utility model, the bottom of the output end of the servo motor penetrates through the filter box, the frame, and the screw rod to be fixedly connected, and the threaded block is embedded in the sliding groove at the rear.

[0010] As a further technical scheme of the utility model, the right side of the connecting pipe is fixedly connected with air pump three, and the right side of the suction pipe is connected with the connecting pipe.

[0011] As a further technical scheme of the utility model, a baffle is longitudinally welded at the center of the inside of the tank body, and an adsorption chamber is formed between the baffle and the tank body on both sides, a left air guide pipe is fixed on the upper left corner inside the tank body, a right air guide pipe is installed on the upper portion inside the baffle, and air pump four is installed on the right air guide pipe, stirring rods are installed on both sides of the inside of the top end of the tank body, and inclined rods are welded on both sides of the bottom of the stirring rods, a bevel gear two is welded on the upper portion of the stirring rod, a liquid outlet pipe is welded on the top end of the bevel gear two, and a liquid pump is installed on the liquid outlet pipe, vertical plates are installed on both sides of the upper surface of the tank body, a driving motor is installed on the right side of the vertical plate, a threaded block is movably connected on the left side of the vertical plate, suction ports are arranged on the front end and the rear end of the bottom of the stirring rod, and shaft sleeves are fixed on both sides of the bottom end inside the tank body.

[0012] As a further technical scheme of the utility model, the bottom of the stirring rod is embedded in the shaft sleeve, and the stirring rod rotates synchronously with the second bevel gear and the liquid outlet pipe.

[0013] As a further technical scheme of the utility model, the left side of the output end of the driving motor is fixedly connected with the first bevel gear, and the first bevel gear and the second bevel gear form a right-angle linkage structure.

[0014] Compared with the prior art, the system has the advantages that the system based on high-purity silicon smelting furnace flue gas pollution reduction and carbon reduction not only adjusts the air inlet position, facilitates the transmission of waste gas, but also facilitates the extraction of waste residue and waste liquid.

[0015] The inner box and the filter plate are filled with bamboo charcoal particles, the waste gas is injected from the straight pipe at the top or the elbow at the bottom according to the density of the waste gas, the waste gas is continuously input into the tower body by only opening the air pump two or the air pump one, the waste gas is subjected to preliminary purification and adsorption by the bamboo charcoal particles after passing through the filter plates layer by layer, the gas from the bottom to the top is guided out after the upper valve is opened, the gas from the top to the bottom is guided out after the lower valve is opened, and the gas is continuously sucked to another place by the suction pipe on the right side, so that the air inlet height of the device is adjusted.

[0016] The suction pipe is fixed transversely at the front end of the threaded block, the servo motor at the top end is started, the screw rod rotates in the inner part of the frame body, the threaded block sleeved with the screw rod can vertically ascend and descend under the limitation of the slide groove on the inner side of the frame body, the suction pipe installed on the threaded block also moves up and down, and different layers of gas in the filter box are sucked and transferred, so that the waste gas can be completely sucked into the tank body for continuous treatment, and gas leakage of the filter box can be avoided.

[0017] The suction ports are arranged at the front end and the rear end of the bottom of the stirring rod, the waste gas is mixed with the reagent stored in the adsorption chamber on the left side through the left gas guide pipe under the extraction of the air pump three, the gas separated out continues to react with different reagents through the right gas guide pipe under the extraction of the air pump four, a notch is reserved at the right upper corner of the tank body for connecting the gas outlet pipeline, and the notch is blocked and sealed if there is no demand, in the process, the driving motor can be started and the first bevel gear is rotated, the bottom second bevel gear is driven to rotate and mix the gas and the liquid, the reaction is promoted, then the driving motor is stopped, the liquid and the sediment stored in the adsorption chamber are extracted through the suction ports at the bottom of the stirring rod by the liquid pump, and the inner wall of the tank body is conveniently cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view of the sectional structure of the utility model;

[0019] Figure 2The utility model discloses a filter box front view sectional structure schematic diagram for the utility model discloses a filter box front view sectional structure schematic diagram.

[0020] Figure 3 The utility model discloses a Figure 1 The utility model discloses a filter box front view sectional structure schematic diagram for the utility model discloses a filter box front view sectional structure schematic diagram.

[0021] Figure 4 The utility model discloses a filter box front view sectional structure schematic diagram for the utility model discloses a filter box front view sectional structure schematic diagram.

[0022] Figure 5 The utility model discloses a filter box front view sectional structure schematic diagram for the utility model discloses a filter box front view sectional structure schematic diagram.

[0023] Figure 6 The utility model discloses a filter box front view sectional structure schematic diagram for the utility model discloses a filter box front view sectional structure schematic diagram. Figure 1 The utility model discloses a filter box front view sectional structure schematic diagram for the utility model discloses a filter box front view sectional structure schematic diagram.

[0024] In the drawing: 1, base plate, 2, filter box, 3, elbow, 4, air pump one, 5, tower body, 6, inner box, 7, filter plate, 8, bamboo charcoal particle, 9, hose, 10, straight pipe, 11, air pump two, 12, servo motor, 13, connecting pipe, 14, air pump three, 15, left gas guide pipe, 16, adsorption chamber, 17, baffle, 18, right gas guide pipe, 19, jar body, 20, stirring rod, 21, frame, 22, upper valve, 23, lower valve, 24, suction tube, 25, liquid outlet pipe, 26, bevel gear one, 27, vertical plate, 28, drive motor, 29, bevel gear two, 30, inclined rod, 31, suction port, 32, shaft sleeve, 33, liquid pump, 34, clamping block, 35, screw rod, 36, threaded block, 37, sliding groove, 38, air pump four. DETAILED DESCRIPTION

[0025] 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 work fall within the scope of the utility model.

[0026] Please refer to Figures 1-6The utility model provides an embodiment: a kind of based on high-purity silicon smelting furnace flue gas pollution reduction and carbon reduction system, including substrate 1 and filter box 2, the left side of substrate 1 top end is equipped with filter box 2, and the left side inside filter box 2 is longitudinally provided with tower body 5, and the inside four corners of tower body 5 are respectively fixed with clamping block 34, and inner box 6 is clamped and fixed between clamping block 34, and elbow pipe 3 is installed between the lower left corner of filter box 2 and the bottom of tower body 5, and air pump one 4 is installed in the lower left corner of filter box 2 outside, and straight pipe 10 is installed between the left side of filter box 2 top and tower body 5, and air pump two 11 is installed on straight pipe 10, upper valve 22 is installed on the right side of tower body 5 top, lower valve 23 is installed on the right side of tower body 5 bottom, three groups of filter plate 7 are transversely installed in inner box 6, bamboo charcoal particles 8 are filled between inner box 6 and filter plate 7, hose 9 is installed between the top, bottom of inner box 6 and tower body 5 respectively, tank body 19 is installed on the right side of substrate 1 top end;

[0027] Filter plate 7 and tower body 5 are in the same vertical plane, and inner box 6 can move back and forth in the cavity formed between clamping block 34.

[0028] Specifically, as shown in Figure 1 and Figure 2 , whether the waste gas is injected from the upper straight pipe 10 or the lower elbow pipe 3 can be rotated according to the density of the waste gas, just open air pump two 11 or air pump one 4 to continuously input waste gas to tower body 5, the waste gas will pass through layer after layer of filter plate 7 and be preliminarily purified and adsorbed by bamboo charcoal particles 8, the gas from bottom to top is guided out after upper valve 22 is opened, and the gas from top to bottom is guided out after lower valve 23 is opened, and continues to be sucked to other places by right side suction pipe 24.

[0029] Frame 21 is installed between the upper and lower right sides inside filter box 2, and screw rod 35 is movably connected between the upper and lower inside frame 21, screw block 36 is sleeved on the outside of screw rod 35, suction pipe 24 is transversely fixed on the front end of screw block 36, connecting pipe 13 is installed on the right side of suction pipe 24, air pump three 14 is installed on the left upper corner of tank body 19 outside, servo motor 12 is installed on the right side of filter box 2 top end outside, and sliding groove 37 is longitudinally arranged on the surface of frame 21 back plate.

[0030] The bottom of the output end of servo motor 12 penetrates filter box 2, frame 21 and screw rod 35 fixedly connected, screw block 36 is embedded in sliding groove 37 rear, the right side of connecting pipe 13 is fixedly connected with air pump three 14, and the right side of suction pipe 24 is connected with connecting pipe 13.

[0031] Specifically, as shown in Figure 1 , Figure 3 and Figure 4As shown, the starting top servo motor 12, in the body 21 inside the screw rod 35, in the body 21 side groove 37 under the constraints of the vertical lifting of the screw block 36, the screw block 36 on the installation of the suction tube 24 also moves up and down, and the different layers of gas in the filter box 2 are extracted and transferred, which can completely extract the exhaust gas to the tank body 19 for further processing.

[0032] The center of the inside of the tank body 19 is longitudinally welded with a partition plate 17, and the two sides between the partition plate 17 and the tank body 19 form an adsorption chamber 16. The upper left corner inside the tank body 19 is fixed with a left gas guide pipe 15. The upper part inside the partition plate 17 is installed with a right gas guide pipe 18, and the right gas guide pipe 18 is installed with a gas pump four 38. The two sides of the inside of the top of the tank body 19 are respectively installed with stirring rods 20, and the two sides of the bottom of the stirring rod 20 are respectively welded with inclined rods 30. The upper part of the stirring rod 20 is welded with a bevel gear two 29. The top of the bevel gear two 29 is welded with a liquid outlet pipe 25, and the liquid outlet pipe 25 is installed with a liquid pump 33. The two sides of the upper surface of the tank body 19 are respectively installed with vertical plates 27, and the right side of the vertical plate 27 is installed with a driving motor 28. The left side of the vertical plate 27 is movably connected with a screw block 36. The front end and the rear end of the bottom of the stirring rod 20 are respectively provided with suction ports 31. The two sides of the inside bottom of the tank body 19 are respectively fixed with shaft sleeves 32.

[0033] The bottom of the stirring rod 20 is embedded in the shaft sleeve 32. The stirring rod 20 rotates synchronously with the bevel gear two 29 and the liquid outlet pipe 25. The left side of the output end of the driving motor 28 is fixedly connected with the bevel gear one 26. The bevel gear one 26 and the bevel gear two 29 form a right-angle linkage structure.

[0034] Specifically, as shown in Figure 1 , Figure 5 and Figure 6 , the exhaust gas is extracted by the gas pump three 14 to enter the left adsorption chamber 16 through the left gas guide pipe 15, and is mixed with the stored medicament in the adsorption chamber 16 to react. The separated gas continues to be extracted by the gas pump four 38 to enter the right adsorption chamber 16 through the right gas guide pipe 18, and continues to react with different medicaments. The right upper corner of the tank body 19 also has a notch for connecting the gas outlet pipe. If there is no demand, it is blocked and sealed. In the process, the driving motor 28 can be started and the bevel gear one 26 is rotated, thereby meshing and pushing the bottom bevel gear two 29 to guide the stirring rod 20 and the liquid outlet pipe 25 to rotate and mix the gas and the liquid, and to promote the reaction. Then stop the driving motor 28. The liquid and the precipitate stored in the adsorption chamber 16 are extracted by the liquid pump 33 through the suction ports 31 at the bottom of the stirring rod 20.

[0035] Working principle: the utility model discloses in use, can according to the density of waste gas and inject waste gas from the straight pipe 10 of top or the elbow pipe 3 of lower part, only need to open air pump two 11 or air pump one 4 can continue to input waste gas to tower body 5, waste gas will pass through filter plate 7 and receive the preliminary purification adsorption of bamboo charcoal particle 8, from below to above gas is guided out after the opening of upper valve 22, from above to below gas is guided out after the opening of lower valve 23, continue to be drawn to other places by right side's suction tube 24, then start the servo motor 12 of top, rotate screw rod 35 in the inside of frame body 21, can vertically lift the screw block 36 of the sleeve joint of screw rod 35 under the restriction of the right side slide groove 37 of frame body 21, the suction tube 24 installed on screw block 36 also moves up and down, and the gas of different degrees of filtration box 2 is extracted and transferred, waste gas is extracted under the air pump three 14 and enters the adsorption chamber 16 of left side through left air guide pipe 15, and is mixed with the reagent stored in adsorption chamber 16, and the gas is extracted under the air pump four 38 and enters the adsorption chamber 16 of right side through right air guide pipe 18, and continues to react with different reagents, and the upper right corner of jar body 19 still has a notch for the connection of outlet gas pipe, if there is no demand, then blockage is sealed, in the process, drive motor 28 can be started and rotate bevel gear one 26, thereby meshing and pushing bottom bevel gear two 29, guiding stirring rod 20 and outlet pipe 25 to rotate and mix gas and liquid, and promoting the reaction, then stop drive motor 28, and the liquid and precipitate stored in adsorption chamber 16 are extracted through liquid pump 33 and suction port 31 at the bottom of stirring rod 20.

[0036] It is apparent for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A high-purity silicon smelting furnace flue gas pollution reduction and carbon reduction system, comprising a base plate (1) and a filter box (2), characterized in that: The left side of the top of the base plate (1) is provided with a filter box (2), and the left side of the inside of the filter box (2) is longitudinally provided with a tower body (5), the inside of the tower body (5) is respectively fixed with a clamping block (34) at the four corners, and the clamping block (34) is fixed with an inner box (6) between the clamping blocks (34), a bend pipe (3) is arranged between the bottom of the tower body (5) and the lower left corner of the filter box (2), and a gas pump one (4) is arranged at the lower left corner of the outside of the filter box (2), a straight pipe (10) is arranged between the left side of the top of the filter box (2) and the tower body (5), and a gas pump two (11) is arranged on the straight pipe (10), an upper valve (22) is arranged at the right side of the top of the tower body (5), a lower valve (23) is arranged at the right side of the bottom of the tower body (5), three groups of filter plates (7) are transversely arranged in the inner box (6), bamboo charcoal particles (8) are filled between the inner box (6) and the filter plates (7), and hoses (9) are arranged between the top and the bottom of the inner box (6) and the tower body (5), respectively. A tank body (19) is arranged at the right side of the top of the base plate (1).

2. The system for reducing pollution and carbon based on high-purity silicon smelting furnace flue gas according to claim 1, characterized in that: The filter plate (7) and the tower body (5) are in the same vertical plane, and the inner box (6) can move back and forth in the cavity formed between the clamping blocks (34).

3. The system for reducing pollution and carbon emission from flue gas of high-purity silicon smelting furnace according to claim 1, characterized in that: A frame body (21) is arranged between the upper and lower parts of the right side of the inside of the filter box (2), a lead screw (35) is movably connected between the upper and lower parts of the inside of the frame body (21), a threaded block (36) is sleeved on the outside of the lead screw (35), a suction pipe (24) is fixed transversely at the front end of the threaded block (36), a connecting pipe (13) is arranged at the right side of the suction pipe (24), a gas pump three (14) is arranged at the upper left corner of the outside of the tank body (19), a servo motor (12) is arranged at the right side of the top of the outside of the filter box (2), and a sliding groove (37) is longitudinally arranged on the surface of the back plate of the frame body (21).

4. The system for reducing pollution and carbon based on high-purity silicon smelting furnace flue gas according to claim 3, characterized in that: The bottom of the output end of the servo motor (12) penetrates the filter box (2), the frame body (21) and the lead screw (35) and is fixedly connected, the rear of the threaded block (36) is embedded in the sliding groove (37).

5. The system for reducing pollution and carbon emission from the flue gas of a high-purity silicon smelting furnace according to claim 3, characterized in that: The right side of the connecting pipe (13) is fixedly connected with the gas pump three (14), and the right side of the suction pipe (24) is connected with the connecting pipe (13).

6. The system for reducing pollution and carbon based on high-purity silicon smelting furnace flue gas according to claim 1, characterized in that: The left gas guide pipe (15) is fixed to the upper left corner inside the tank body (19), the right gas guide pipe (18) is installed above the partition plate (17), and the air pump four (38) is installed on the right gas guide pipe (18), the stirring rods (20) are installed on both sides of the top end inside the tank body (19), the inclined rods (30) are welded on both sides of the bottom of the stirring rods (20), the bevel gear two (29) is welded above the stirring rods (20), the liquid outlet pipe (25) is welded on the top end of the bevel gear two (29), the liquid pump (33) is installed on the liquid outlet pipe (25), the vertical plates (27) are installed on both sides of the upper surface of the tank body (19), the driving motor (28) is installed on the right side of the vertical plates (27), the threaded blocks (36) are movably connected to the left side of the vertical plates (27), the suction ports (31) are arranged on the front end and the rear end of the bottom of the stirring rods (20), and the shaft sleeves (32) are fixed to both sides of the bottom end inside the tank body (19).

7. The system for reducing pollution and carbon emission from the flue gas of a high-purity silicon smelting furnace according to claim 6, characterized in that: The bottom of the stirring rod (20) is embedded in the shaft sleeve (32), and the stirring rod (20) rotates synchronously with the bevel gear two (29) and the liquid outlet pipe (25).

8. The system for reducing pollution and carbon based on high-purity silicon smelting furnace flue gas according to claim 6, characterized in that: The output end left side of the driving motor (28) is fixedly connected with the bevel gear one (26), and the bevel gear one (26) and the bevel gear two (29) form a right-angle linkage structure.

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