CN220583125U - Scattered gas carbon trapping device of silicon carbide smelting furnace - Google Patents
Scattered gas carbon trapping device of silicon carbide smelting furnace Download PDFInfo
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- CN220583125U CN220583125U CN202322026236.XU CN202322026236U CN220583125U CN 220583125 U CN220583125 U CN 220583125U CN 202322026236 U CN202322026236 U CN 202322026236U CN 220583125 U CN220583125 U CN 220583125U
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- silicon carbide
- smelting furnace
- carbide smelting
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- collecting cover
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- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 62
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000003723 Smelting Methods 0.000 title claims abstract description 59
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 42
- 239000000178 monomer Substances 0.000 claims abstract description 29
- 239000003546 flue gas Substances 0.000 claims abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 14
- 239000010935 stainless steel Substances 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 210000001503 joint Anatomy 0.000 claims 1
- 238000005086 pumping Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 238000000815 Acheson method Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model provides a dissipation gas carbon capturing device of a silicon carbide smelting furnace, which is characterized in that a telescopic collecting cover made of a high-temperature resistant stainless steel plate is arranged on the periphery of the silicon carbide smelting furnace, adjacent monomer structures are in sleeved contact and can slide relatively, the outermost monomer structures at two ends are provided with sealing plates or sealing doors or connecting air suction connectors, the rest monomer structures are in a front-back open type, each monomer structure is provided with a corresponding slideway, a flue gas pipeline interface is arranged on the collecting cover and is used for connecting an induced draft fan, a CO gas storage tank is connected behind the induced draft fan, a CO concentration receptor is arranged in the collecting cover and is connected with a controller, the controller is connected with the induced draft fan, and the controller controls the rotating speed of the induced draft fan. Carbon capture is accomplished by pumping the gas from the collection hood away for reuse. Solves the problem of the unorganized emission of CO and other gases of silicon carbide enterprises.
Description
Technical Field
The utility model belongs to the technical field of environment protection matched with silicon carbide smelting, and relates to a device for collecting and treating dissipated gas of a silicon carbide smelting furnace.
Background
The silicon carbide smelting furnace adopts an Acheson method, the main body is a rectangular groove body which is several tens of meters long, the silicon carbide smelting furnace is built by refractory bricks, a graphite electrode is arranged in the silicon carbide smelting furnace, heat is generated by electrifying, and furnace materials react. The smelting temperature of silicon carbide reaches about 2600 ℃, furnace burden reacts to generate silicon carbide, CO overflows, and the CO is burned into CO on the surface of the furnace 2 The small part of unburned CO is dissipated in the atmosphere outside the silicon carbide smelting furnace to cause air pollution, so that silicon carbide smelting is an industry with high energy consumption and high pollution, and along with the increase of environmental protection, matching gas treatment equipment is necessary, but the current gas treatment equipment is very much more expensive, the enterprise is not born, and then the silicon carbide enterprise faces the embarrassment of being stopped, and the local economy and employment are affected. The inventor researches domestic and foreign treatment experience, and provides an effective solution to solve the problem of tail gas pollution in silicon carbide smelting with low cost on the basis of summarizing the prior art.
Disclosure of Invention
The utility model aims to provide a carbon trapping device for dissipated gas of a silicon carbide smelting furnace, which solves the problem of environmental pollution caused by the dissipated gas of the silicon carbide smelting furnace.
The technical scheme of the utility model is as follows: the collecting cover is a telescopic structure, the collecting cover is made of high-temperature resistant stainless steel plates, the telescopic structure is formed by combining a plurality of single structures covering the body of the silicon carbide smelting furnace in a mode that the thickness of the stainless steel plates is gradually decreased in a difference, adjacent single structures are in sleeved contact and can slide relatively, the outermost single structures at two ends are provided with sealing plates or sealing doors or connecting air suction connectors, the other single structures are of front-back opening type, each single structure is provided with a corresponding slideway, the slideway is made of high-temperature resistant stainless steel, the slideway is fixed on the ground at two sides of the silicon carbide smelting furnace, a flue gas pipeline interface is arranged on the collecting cover and is used for connecting an induced draft fan or an air suction connector, the induced draft fan is used for forming a negative pressure environment in the collecting cover, the induced draft fan is connected with a CO gas storage tank or a CO burner after that the induced draft fan is connected, the collecting cover is internally provided with a CO concentration sensor, the CO concentration sensor is connected with a controller, the controller is connected with the induced draft fan, and the controller is used for receiving the change of a CO concentration signal, and the rotating speed is controlled.
Preferably, the single structure of collecting the cover is the equidimension arch around, and flue gas pipeline interface establishes at collecting the cover top, and single structure opens has the air intake for the air inlet, flue gas pipeline interface all sets up about and in the middle, is concentrated through the pipeline and is connected to the total trachea, and the draught fan is connected to the total trachea.
Further, the relatively large-size top of the adjacent monomer structures is provided with a downward anti-slip small baffle, the relatively small-size top is provided with an upward anti-slip small baffle, and when the two anti-slip small baffles are in a pulling state, the adjacent monomer structures are not completely slipped.
Preferably, the monomer structure of collecting the cover is the front and back size gradual change tubaeform, collects the cover and is stretched to the other end by one end, and the monomer structure of jumbo size end is equipped with the closed door, sets up the air intake on the closed door, and air intake department is equipped with air inlet adjustment mechanism, and the small-size end is equipped with the connection buckle, connects the air extraction joint through the connection buckle, the air extraction joint connects the draught fan.
Further, the air intake is the shape of falling U, air inlet adjustment mechanism includes the air door regulating plate of falling U-shaped, the mounting panel, rotate the wheel, a spring, adjusting threaded rod, the cross-section of air door regulating plate of falling U-shaped is trapezoidal, through the size that changes the intake with the distance adjustment of air intake, the mounting panel both ends are fixed at the air door regulating plate surface of falling U-shaped, adjusting threaded rod fixes the surface at the closed door, adjusting threaded rod passes the mounting panel in proper order, rotate the wheel, the spring housing is on adjusting threaded rod, be located between closed door and the mounting panel, the mounting panel is adjusting threaded rod sliding connection, rotate the wheel at adjusting threaded rod threaded connection.
The edge of the single structure is fixed with a high-temperature-resistant reinforcing rib plate, so that the single structure is reinforced and supported.
The slide is the border and turns over a groove structure, imbeds in the terrace, turns over a limit and nails tightly with the steel nail, and when the monomer structure shrink was not used, the slide was covered dustproof by the apron.
The two sets of collecting covers stretch from two ends to the middle, the two middle monomer structures are butted, and the monomer structures which are close to each other are connected by the connecting mechanism.
The preferred attachment mechanism is a bolt or a clasp.
The gap at the joint of the monomer structure, the gap between the monomer structure and the slideway, and the gap at the edge of the sealing door or the air extraction joint (3) are all sealed by refractory clay.
The utility model has the beneficial effects that: according to the length of the furnace body, the main material of the utility model is high-temperature resistant 310S type stainless steel plate with the dosage of 15 tons to 30 tons and 2mm, and the cost of the steel is 29.25 ten thousand to 58.5 ten thousand per ton of 19500 yuan, and the total cost of the steel is not more than 60 ten thousand by adding processing cost, induced draft fan and storage tank, so that the tail gas treatment problem of the silicon carbide smelting furnace is solved with lower cost. The utility model has simple structure, is convenient and efficient for treating the dissipated gas of the silicon carbide smelting furnace, and the collected CO gas can be used for preparing methanol, thereby changing waste into valuables and realizing the balance of economic benefit and ecological benefit. Solves the problem of unorganized emission of CO and other gases in silicon carbide enterprises, and provides an effective solution for reaching the standard of carbon in the silicon carbide enterprises.
Drawings
FIG. 1 is a schematic illustration of the flow direction of an air stream within a collection hood of a trumpet shaped monolithic structure;
FIG. 2 is a schematic diagram of a process for assembling a horn-shaped monolithic structure;
FIG. 3 is a side view of the suction connector in use of the collection housing in a horn-shaped monolithic structure;
FIG. 4 is a side view of the closure door in the use of the collection hood in a trumpet-shaped unitary structure;
FIG. 5 is a schematic diagram of an inverted U-shaped damper panel opening adjustment mechanism;
FIG. 6 is a schematic diagram of the air volume adjustment principle of the inverted U-shaped air door adjusting plate;
FIG. 7 is a schematic diagram of an arch monomer structure using a combination process;
FIG. 8 is a schematic structural view of a single structure and a high temperature resistant reinforcing plate;
FIG. 9 is a schematic view of a slideway structure;
in the figure: 1-silicon carbide smelting furnace, 2-collecting cover, 3-air extraction joint, 4-slideway, 5-induced draft fan, 6-flue gas pipeline interface, 7-main air pipe, 8-anti-slip small baffle, 9-closed door, 10-reverse U-shaped air door regulating plate, 15-high temperature resistant reinforcing rib plate, 16-steel nail and 17-cover plate.
Detailed Description
As shown in the figure, the collecting cover 2 is arranged on the periphery of the silicon carbide smelting furnace 1, the collecting cover 2 is of a telescopic structure, the silicon carbide smelting furnace 1 is sealed in the collecting cover 2 in a pulled state, and the distance between the collecting cover 2 and the outer surface of the silicon carbide smelting furnace 1 is more than 10 cm, so that air flow can smoothly flow. The collecting cover 2 is made of high-temperature resistant stainless steel plates, the telescopic structure is formed by combining a plurality of single structures covering the silicon carbide smelting furnace body 1 in a mode that the thickness of the stainless steel plates is gradually decreased in a difference value step by step, adjacent single structures are in sleeved contact and can slide relatively, the outermost single structure is provided with a sealing plate, the rest single structures in the middle are opened front and back, and the single structures are arch-shaped with equal sizes front and back. The edge of the single structure is fixed with a high-temperature-resistant reinforcing rib plate 15, which plays a role in reinforcing and supporting the single structure.
Each single structure is provided with a corresponding slideway 4, the slideway 4 is made of high-temperature resistant stainless steel, the slideway 4 is fixed on the ground at two sides of a silicon carbide smelting furnace, the top of the collecting cover 2 is provided with a flue gas pipeline interface 6, the flue gas pipeline interface 6 is directly perforated on the single structure so as not to prevent shrinkage, a plurality of bolt holes are formed in the periphery of the flue gas pipeline interface 6, the flue gas pipeline interface is connected to the bolt holes through nonstandard flange joints matched with the radian of the top of the single structure in a pulling-open state by adding bolts, the nonstandard flange joints are connected with pipelines again, and the nonstandard flange joints are removed in the shrinkage state. The thickness of the single structure is not changed by the flue gas pipeline interface and the bolt hole, and the sliding of the single structure when the single structure needs to be contracted is not blocked. The air inlet is arranged between the single structures and used for air inlet, the flue gas pipeline interface 6 is arranged in the left and right and middle, the flue gas pipeline interface is connected to the main air pipe 7 in a concentrated mode through pipelines, the main air pipe 7 is connected with the induced draft fan 5, the induced draft fan 5 is used for collecting negative pressure environments formed in the hood, the induced draft fan 5 is connected with the CO air storage tank or the CO burner (CO can be used for heating, generating electricity, producing methanol and the like), the CO concentration sensor is arranged in the collecting hood 2 and connected with the controller, the controller is connected with the induced draft fan, and the controller controls the rotating speed of the induced draft fan 5 according to the change of receiving CO concentration signals so as to adjust the air quantity.
The small anti-slip baffle plate 8 is arranged at the top of the relatively large size of the adjacent single structure, the small anti-slip baffle plate 8 is arranged at the top of the relatively small size, and when the two small anti-slip baffle plates 8 are in a pull-open state, the adjacent single structure does not completely slip.
The collecting cover can be stretched from one end to the other end, and the single structure at the tail end is provided with a sealing door; or the two ends of the single-piece structure are stretched towards the middle, and the single-piece structure is combined together and connected, and can adopt the connection modes of bolts, buckles and the like.
The gas explosion concentration detector is arranged in the collecting cover and connected with the alarm arranged outside the collecting cover, so that a warning effect is achieved, and the safety of surrounding personnel is improved.
A method for using a gas carbon trapping device dissipated by a silicon carbide smelting furnace with an arch-shaped single structure in front and back is characterized in that a power supply line of the silicon carbide smelting furnace is led into the ground through a pipeline and then extends out of the outer side of a slideway, so that the placement of a collecting cover 2 is not hindered by the power supply line, two ends of the silicon carbide smelting furnace 1 are respectively provided with a set of collecting covers 2, the single structure is placed on a corresponding slideway 4, the two sets of collecting covers 2 are respectively stretched from two ends to the middle, and a connecting mechanism (a bolt or a buckle) is arranged on the single structure in the middle. The connecting mechanism connects the single structures close together, the silicon carbide smelting furnace is covered, the flue gas pipeline interface 6 is connected with the installation pipeline, the pipeline is connected with the induced draft fan 5, the induced draft fan 5 is connected with the CO gas storage tank or the CO burner, the CO concentration receptor is arranged in the collecting cover, the CO concentration receptor and the induced draft fan 5 realize linkage control through the controller, the induced draft fan is started, negative pressure is formed in the collecting cover, the air inlet (the air inlet is indicated by three small circles on the lower side in FIG. 7) of the single structure is used for entering external air, and the gas dissipated by the silicon carbide smelting furnace 1 is controlled in the collecting cover 2 and is pumped away by the induced draft fan 5; when the silicon carbide smelting furnace 1 finishes smelting a batch, the power is cut for cooling, the collecting cover 2 is still kept in a pulled state in the cooling stage, after cooling for a period of time, the dissipated gas is not generated any more, the connecting mechanism is opened, the pipeline connected with the flue gas pipeline is taken down, the collecting cover 2 is contracted, the cooling of the silicon carbide smelting furnace is accelerated, and the cooling is finished for carrying out furnace skimming and material taking.
The arch-shaped single structures with equal sizes are pulled open and contracted conveniently, but the air inlet is formed by punching on the single structures, the internal air flowing route is more complex, an air detention area possibly exists, the single structures of the collecting cover 2 can be further designed into a horn shape with gradually changed front and back sizes in order to achieve better air collecting effect, the collecting cover 2 is stretched from one end to the other end, and one end with larger size can be blocked by the small-size head of the other single structure when pulled open due to gradually changed size (gaps between the single structures are not filled with sealing materials and are not sealed, a small amount of air passes through the gaps without influencing the main air flowing direction, and the gaps can be filled with fire clay without air inlet) and the small anti-slip baffle 8 and the like are not needed. After the silicon carbide smelting furnace 1 is covered, the collecting cover 2 and the outer surface of the silicon carbide smelting furnace 1 are spaced by more than 10 cm. The monomer structure of jumbo size end is equipped with seals door 9, sets up the air intake on the sealing door 9, and air intake department is equipped with air inlet adjustment mechanism, and the jumbo size end is equipped with the connection buckle (can adopt the used buckle structure of van door), and the air extraction connects 3 to be equipped with supporting buckle accessory, connects 3, air extraction connects 3 to connect draught fan 5 through the connection buckle. The small-sized end unit structure can also be connected with the air extraction joint 3 by other connection modes, such as bolts. The air intake is the shape of falling U, air inlet adjustment mechanism includes the air door regulating plate 10 of falling U-shaped, mounting panel 11, rotate wheel 12, spring 13, adjusting threaded rod 14, the cross-section of air door regulating plate 10 of falling U-shaped is trapezoidal, through the size that changes the intake with the distance adjustment of air intake, mounting panel 11 both ends are fixed at the air door regulating plate 10 surface of falling U-shaped, adjusting threaded rod 14 is fixed at the surface of closing door 9, adjusting threaded rod 14 passes mounting panel 11 in proper order, rotate wheel 12, spring 13 cover is on adjusting threaded rod 14, be located between closing door 9 and the mounting panel 11, mounting panel 11 is adjusting threaded rod 14 sliding connection, rotate wheel 12 at adjusting threaded rod 14 threaded connection. When the weight of the reverse U-shaped air door adjusting plate 10 is large, a bracket can be placed at a place close to the closed door 9, the bottom of the bracket is fixed on the ground or pressed by a heavy object, two flat extending rods are welded at the top of the bracket, the flat section of the upper part of the reverse U-shaped air door adjusting plate 10 is placed on the rods, the rods share the weight of the reverse U-shaped air door adjusting plate 10, and the adjusting threaded rod 14 and the two rods jointly stabilize the reverse U-shaped air door adjusting plate 10.
The using mode of the front-back size gradual change horn-shaped single structure comprises the following steps: the power supply circuit is arranged as above, each silicon carbide smelting furnace 1 is provided with a set of collecting cover 2, after the collecting cover is placed in place from one end of the silicon carbide smelting furnace 1, the minimum size monomer structure is not moved, other size monomer structures are pulled, the collecting cover 2 is pulled to open and cover the silicon carbide smelting furnace, the maximum size monomer structure is connected with a sealing door 9, the sealing door 9 is detachably connected with the maximum size monomer structure through a connecting and fastening mechanism, an air inlet adjusting mechanism is arranged at an air inlet of the sealing door, the minimum size monomer structure is connected with an air suction connector 3, the air suction connector 3 is connected with an induced draft fan 5, the induced draft fan 5 is connected with a CO gas storage tank or a CO burner, a CO concentration receptor is arranged in the collecting cover (preferably, one is arranged at each of two ends, namely, one is arranged at a place close to the sealing door 9), the joint of the air extraction joint 3 is provided with one), the CO concentration sensor and the induced draft fan realize linkage control through the controller, the induced draft fan 5 is started, negative pressure is formed in the collecting cover, the air inlet is used for entering outside air, gas scattered and escaped from the silicon carbide smelting furnace 1 is controlled in the collecting cover, the induced draft fan 5 is used for extracting, the pulled collecting cover is horn-shaped, the horn-shaped gas collecting cover and the outer side surface of the silicon carbide smelting furnace body form an inverted U-shaped gas flow flue, smooth gas channels for air inlet and air exhaust are formed, the gas flow directions are uniform, the gas flows from one end of the maximum size monomer structure to one end of the minimum size monomer structure, the sufficient collection of the gas scattered from the silicon carbide smelting furnace is ensured, the gas enters the air exhaust system in real time, and the air exhaust efficiency is high; when the silicon carbide smelting furnace completes smelting of a batch, power failure cooling is carried out, a cooling stage is started, the collecting cover is still kept in a pulled-open state, after cooling for a period of time, the dissipated gas is not generated any more, the sealing door 9 is opened, the collecting cover is pushed to shrink, the induced draft fan air pipe connected with the flue gas pipeline is taken down, the cooling of the silicon carbide smelting furnace is accelerated, and the cooling is completed to take off and take materials.
One embodiment of the slide 4 is a structure with a groove turned over along the edge, embedded in the terrace, the turned over edge is nailed by the steel nails 16, when the single structure is not contracted, the slide is covered by the cover plate 17 to prevent dust, the dust blocking piece is stuck on the bottom surface of the cover plate 17 (the material can be selected from the dustproof wool tops of window gaps, the width is increased compared with the wool tops for windows), the contact tightness with the cement surface is increased, and the slide is better dustproof. The cover plate 17 can also be hinged with the cement floor through a hinge, a pull ring is added on the cover plate 17, when the single structure is required to slide, the pull ring is pulled up, the cover plate 17 is turned 180 degrees, the slide way is exposed, and the cover plate 17 covers the slide way when the slide way is not used. For the collection covers of the arch single structures with equal front and back sizes, the sliding ways are parallel, the lengths of the sliding ways are unequal, and the lengths of the sliding ways needed by the single structures with the longest pulling distance are longest. The front-back size gradual change horn-shaped single structure can widen the slide way because the moving track is not a straight line, and the gap between the slide way and the bottom edge of the single structure is sealed by refractory clay.
The high-temperature resistant stainless steel adopted by the utility model can be selected from a stainless steel plate with the high temperature resistance of 2mm produced by a spring iron and steel group Limited liability company, wherein the price per ton is 19500 yuan. The melting point of the 310S type stainless steel is 1398-1454 ℃, the internal temperature of a silicon carbide smelting furnace is about 2600 ℃, the external temperature of the furnace is about 1000 ℃, and the steel is not deformed when the temperature resistance reaches 1100 ℃, so that the requirement of being heated and not deformed in the use process can be met.
Claims (10)
1. The scattered gas carbon trapping device of the silicon carbide smelting furnace is characterized in that: the method comprises the steps that a collecting cover (2) is arranged on the periphery of a silicon carbide smelting furnace (1), the collecting cover (2) is of a telescopic structure, the silicon carbide smelting furnace (1) is covered in the collecting cover (2) in a pulling state, the collecting cover (2) is made of high-temperature-resistant stainless steel plates, the telescopic structure is formed by combining a plurality of single structures covering the furnace body of the silicon carbide smelting furnace in a mode that the thickness of the stainless steel plates is gradually decreased in a difference value step, adjacent single structures are in sleeved connection and can slide relatively, a sealing plate or a sealing door is arranged or an air suction connector (3) is connected at the outermost single structures at the two ends, the other single structures are of front-back open type, each single structure is provided with a slideway (4) corresponding to each single structure, the slideway (4) is made of high-temperature-resistant stainless steel and is fixed on the ground at the two sides of the silicon carbide smelting furnace, a flue gas pipeline interface (6) is arranged on the collecting cover and used for connecting an induced draft fan (5), or the air suction connector (3) is arranged and used for connecting the induced draft fan (5), the draft fan (5) is used for forming a negative pressure environment in the collecting cover (2), a CO gas storage tank or a CO combustor is connected in the back of the induced fan (5), the draft fan (5) is connected, a CO concentration controller is connected in the collecting cover (2), and the CO controller is used for controlling the change of a signal.
2. The silicon carbide smelting furnace stray gas carbon trapping device according to claim 1, wherein: the single structure of the collecting hood is in an arch shape with equal size in the front and back, the flue gas pipeline connector (6) is arranged at the top of the collecting hood, the single structure is provided with an air inlet for air intake, the flue gas pipeline connector (6) is arranged in the left and right and in the middle, and is connected to the main air pipe (7) in a concentrated manner through a pipeline, and the main air pipe (7) is connected with the induced draft fan (5).
3. The silicon carbide smelting furnace stray gas carbon trapping device according to claim 1, wherein: the small anti-slip baffle (8) downward is arranged at the top of the relatively large size of the adjacent single structure, the small anti-slip baffle (8) upward is arranged at the top of the relatively small size, and when the two small anti-slip baffles (8) are in butt joint in a pulling state, the adjacent single structure does not completely slip.
4. The silicon carbide smelting furnace stray gas carbon trapping device according to claim 1, wherein: the monomer structure of collecting cover (2) is the front and back size gradual change tubaeform, and the monomer structure of collecting cover (2) from one end to the other end is tensile, and the monomer structure of jumbo size end is equipped with seals door (9), seals and sets up the air intake on door (9), and air intake department is equipped with air inlet adjustment mechanism, and the jumbo size end is equipped with the connection buckle, connects air extraction joint (3), air extraction joint (3) connection draught fan (5) through the connection buckle.
5. The carbon capture device for the dissipation gas of the silicon carbide smelting furnace according to claim 4, wherein the carbon capture device is characterized in that: the utility model provides a novel air intake, including air intake adjustment mechanism, air intake adjustment mechanism is the shape of falling U, air intake adjustment mechanism is including falling U-shaped air door regulating plate (10), mounting panel (11), rotate wheel (12), spring (13), adjusting threaded rod (14), the cross-section of falling U-shaped air door regulating plate (10) is trapezoidal, through the size that changes the intake with the distance adjustment of air intake, mounting panel (11) both ends are fixed at the surface of falling U-shaped air door regulating plate (10), adjusting threaded rod (14) are fixed at the surface of closing door (9), adjusting threaded rod (14) pass mounting panel (11) in proper order, rotate wheel (12), spring (13) cover is on adjusting threaded rod (14), be located between closing door (9) and mounting panel (11), mounting panel (11) are adjusting threaded rod (14) sliding connection, rotate wheel (12) at adjusting threaded rod (14).
6. The silicon carbide smelting furnace stray gas carbon trapping device according to any one of claims 1 to 5, wherein: the edge of the single structure is fixed with a high-temperature-resistant reinforcing rib plate (15) which plays a role in reinforcing and supporting the single structure.
7. The silicon carbide smelting furnace stray gas carbon trapping device according to any one of claims 1 to 5, wherein: the slide (4) is of a rim folding groove structure, is embedded into the terrace, and is nailed by steel nails (16), and when the single structure is not used in shrinkage, the slide is covered by a cover plate (17) to prevent dust.
8. The silicon carbide smelting furnace stray gas carbon trapping device according to any one of claims 1 to 5, wherein: the two sets of collecting covers (2) are stretched from two ends to the middle, the two most middle monomer structures are butted, and the monomer structures which are close to each other are connected by the connecting mechanism.
9. The silicon carbide smelting furnace stray gas carbon trapping device according to claim 8, wherein: the connecting mechanism is a bolt or a buckle.
10. The silicon carbide smelting furnace stray gas carbon trapping device according to any one of claims 1 to 5, wherein: the gap at the joint of the monomer structure, the gap between the monomer structure and the slideway, and the gap at the edge of the sealing door or the air extraction joint (3) are all sealed by refractory clay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026236.XU CN220583125U (en) | 2023-07-31 | 2023-07-31 | Scattered gas carbon trapping device of silicon carbide smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026236.XU CN220583125U (en) | 2023-07-31 | 2023-07-31 | Scattered gas carbon trapping device of silicon carbide smelting furnace |
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| Publication Number | Publication Date |
|---|---|
| CN220583125U true CN220583125U (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322026236.XU Active CN220583125U (en) | 2023-07-31 | 2023-07-31 | Scattered gas carbon trapping device of silicon carbide smelting furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN220583125U (en) |
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2023
- 2023-07-31 CN CN202322026236.XU patent/CN220583125U/en active Active
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