CN114715893B - Calcium carbide smelting furnace - Google Patents
Calcium carbide smelting furnace Download PDFInfo
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- CN114715893B CN114715893B CN202210470241.7A CN202210470241A CN114715893B CN 114715893 B CN114715893 B CN 114715893B CN 202210470241 A CN202210470241 A CN 202210470241A CN 114715893 B CN114715893 B CN 114715893B
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- electrode shell
- electrode
- fixedly connected
- motor
- millstone
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- 239000005997 Calcium carbide Substances 0.000 title claims abstract description 39
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000003723 Smelting Methods 0.000 title claims abstract description 15
- 238000000227 grinding Methods 0.000 claims description 36
- 230000007246 mechanism Effects 0.000 claims description 29
- 238000007599 discharging Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 239000000571 coke Substances 0.000 abstract description 45
- 238000004519 manufacturing process Methods 0.000 abstract description 27
- 238000006243 chemical reaction Methods 0.000 abstract description 26
- 239000000126 substance Substances 0.000 abstract description 2
- 239000011230 binding agent Substances 0.000 description 24
- 238000010891 electric arc Methods 0.000 description 13
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 12
- 235000011941 Tilia x europaea Nutrition 0.000 description 12
- 239000002003 electrode paste Substances 0.000 description 12
- 239000004571 lime Substances 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000005245 sintering Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 8
- 239000002994 raw material Substances 0.000 description 7
- 230000003068 static effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- -1 and in the process Chemical compound 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/942—Calcium carbide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention belongs to the technical field of chemical industry, and particularly relates to a calcium carbide smelting furnace which comprises a furnace body, an electrode shell assembly, a feeding assembly and a motor I, wherein the electrode shell assembly, the feeding assembly and the motor I are mutually matched to integrate electrode rod production and calcium carbide production into a one-piece structure, meanwhile, the motor I drives the feeding assembly to work, the feeding assembly drives the lower half part of the electrode shell assembly to rotate, and the lower half part of the electrode shell assembly rotates to drive sintered coke, namely an electrode rod, to slowly move downwards into the furnace body, so that the electrode rod can be automatically replenished in time in the chemical reaction of the furnace body, and the calcium carbide production efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of chemical industry, and particularly relates to a calcium carbide smelting furnace.
Background
In the industrial calcium carbide production, an electric furnace smelting method is generally adopted, lime and coke in a calcium carbide furnace are heated to more than 2000 ℃ by utilizing the high temperature generated by an electric arc, molten calcium carbide is generated after the molten calcium carbide stays for a certain time, in the process of generating the high temperature by utilizing the electric arc, a carbon rod is often communicated with high-voltage electricity to generate the electric arc, at the moment, one end of the carbon rod generating the electric arc is positioned in the furnace, and the coke and the lime in the furnace are heated by utilizing the high temperature of the electric arc, so that chemical reaction is generated to generate the calcium carbide and CO.
However, in the existing calcium carbide production, two raw materials of coke and lime are required to be subjected to chemical reaction at the high temperature of an electric arc generated by an electrode rod, the electrode rod is formed by adding crushed coke and binder into an electrode shell and performing chemical reaction on the crushed coke and binder through different temperature layers, the temperature inside the electrode shell is gradually increased from top to bottom, the coke and binder in the electrode shell are subjected to high temperature and then sequentially subjected to three stages of softening, volatilizing and sintering to form the electrode rod, and carbon elements are arranged in the electrode rod, so that the high temperature released by the electric arc generated by the electrode rod provides chemical reaction conditions for the coke and the lime in the furnace, and the carbon elements of the electrode rod also participate in the chemical reaction in the furnace, so that the electrode rod can be consumed and need to be timely supplemented into the furnace.
In view of the above, the invention provides a calcium carbide smelting furnace, which improves the technical problems.
Disclosure of Invention
The invention aims to solve the technical problems that the existing calcium carbide production requires two raw materials of coke and lime to be subjected to chemical reaction at the high temperature of an electric arc generated by an electrode rod, the electrode rod is formed by adding crushed coke and binder into an electrode shell and performing chemical reaction on the crushed coke and binder through different temperature layers, the internal temperature of the electrode shell is gradually increased from top to bottom, the coke and binder in a motor shell are subjected to high temperature and then sequentially undergo three stages of softening, volatilizing and sintering to form the electrode rod, and carbon elements are arranged in the electrode rod, so that the high temperature released by the electric arc generated by the electrode rod provides chemical reaction conditions for the coke and the lime in a furnace, and the carbon elements of the electrode rod also participate in the chemical reaction in the furnace, so that the electrode rod can be consumed and is needed to be timely supplemented into the furnace.
The invention provides a calcium carbide smelting furnace, which comprises a furnace body and further comprises:
the electrode shell assembly is arranged above the furnace body;
the feeding assembly is arranged below the electrode shell assembly and is used for realizing automatic feeding of the electrode rod;
the first motor is arranged outside the electrode shell assembly and used for providing power for the feeding assembly.
Preferably, the electrode case assembly includes:
the first electrode shell penetrates through the upper surface of the furnace body and is fixedly connected with the furnace body;
the second electrode shell is positioned above the first electrode shell and sleeved on the first electrode shell, and the second electrode shell is rotationally connected with the outer surface of the first electrode shell.
Preferably, the feeding assembly comprises:
the first gear tooth-shaped bulge uniformly surrounds the outer surface of the first electrode shell in a circumferential shape and is fixedly connected with the outer surface of the first electrode shell;
the first gear is fixedly connected with the first motor rotating shaft and meshed with the first gear tooth-shaped bulge;
the Y-shaped discharging hole is formed in the inner surface of the first electrode shell;
the spiral bulge is fixedly connected with the wall of the Y-shaped discharging hole.
Preferably, a bracket is rotationally connected with the outer surface of the first electrode shell, one end, away from the first electrode shell, of the first bracket is fixedly connected with the furnace body, and the upper surface of the first bracket is fixedly connected with the first motor.
Preferably, the second electrode case is provided with a Y-shaped structure.
Preferably, the upper part of the second electrode shell is provided with a grinding mechanism, and the grinding mechanism comprises:
the lower surface of the second bracket is rotationally connected with the upper surface of the second electrode shell;
the hydraulic mechanism is fixedly connected with the upper surface of the second bracket, and the output end of the hydraulic mechanism is positioned in the second electrode shell;
the top end of the conical millstone is fixedly connected with the output end of the hydraulic mechanism;
the arc millstone is positioned below the conical millstone and fixedly connected with the second electrode shell;
the second gear tooth-shaped bulge uniformly surrounds the outer surface of the second electrode shell in a circumferential shape and is fixedly connected with the outer surface of the second electrode shell;
the third support is rotationally connected with the outer surface of the second electrode shell, and one end, far away from the second electrode shell, of the third support is fixedly connected with the furnace body;
the second motor is fixedly connected with the third bracket;
the second gear is fixedly connected with a second motor rotating shaft and meshed with the second gear tooth-shaped bulge;
and the material leakage holes are formed in the arc-shaped millstone.
Preferably, the diameter of the bottom surface of the conical millstone is smaller than the chord length of the arc millstone by 2-4mm.
Preferably, stirring rods with different lengths are fixedly connected on the inner surface of the second electrode shell and below the arc-shaped grinding disc in a staggered manner.
Preferably, the first motor and the second motor are respectively arranged at two sides of the electrode shell assembly.
Preferably, the conical millstone, the arc millstone and the stirring rod are all made of tungsten steel.
The beneficial effects of the invention are as follows:
the invention provides a calcium carbide smelting furnace, which integrates electrode rod production and calcium carbide production into a whole structure by arranging an electrode shell assembly, a feeding assembly and a motor I, and simultaneously drives the feeding assembly to work by the motor I, the feeding assembly drives the lower half part of the electrode shell assembly to rotate, and the lower half part of the electrode shell assembly rotates to drive sintered coke, namely the electrode rod, to slowly move downwards into a furnace body, so that the electrode rod can be automatically replenished in time in the chemical reaction of the furnace body, and the calcium carbide production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic elevational cross-sectional view of the present invention;
FIG. 2 is a schematic elevation sectional view of the conical millstone of the present invention;
FIG. 3 is a schematic view of the structure of the conical grinding disc and the arc grinding disc of the invention;
FIG. 4 is an enlarged view of the invention at A;
FIG. 5 is a schematic top view of an electrode shell assembly of the present invention;
in the figure: furnace body 1, electrode shell subassembly 2, electrode shell 21, no. two electrode shells 22, material loading subassembly 3, no. one tooth form protruding 31, no. one gear 32, Y shape discharge opening 33, heliciform protruding 34, no. one support 735, no. one motor 4, grinding mechanism 5, no. two support 51, hydraulic mechanism 52, conical mill 53, arc mill 54, no. two tooth form protruding 55, no. three support 56, no. two motor 57, no. two gear 58, leak orifice 59, puddler 6, no. one support 7.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
According to the invention, by providing the calcium carbide smelting furnace, the problem that the existing calcium carbide production needs two raw materials of coke and lime to be subjected to chemical reaction at the high temperature of an electric arc generated by an electrode rod is solved, the electrode rod is formed by adding crushed coke and binder into an electrode shell and performing chemical reaction on the crushed coke and binder through different temperature layers, the internal temperature of the electrode shell is gradually increased from top to bottom, the coke and binder in the motor shell are sequentially subjected to three stages of softening, volatilizing and sintering after being subjected to high temperature to form the electrode rod, and carbon elements are arranged in the electrode rod, so that the high temperature released by the electric arc generated by the electrode rod provides chemical reaction conditions for the coke and the lime in the furnace, and the carbon elements of the electrode rod participate in the chemical reaction in the furnace, so that the electrode rod is lost and needs to be timely supplemented into the furnace;
the technical scheme of the invention aims to improve the technical problems, and the general idea is as follows: electrode shell assembly 2, feeding assembly 3 and motor 4 are mutually matched, so that electrode rod production and calcium carbide production are integrated into a whole structure, meanwhile, motor 4 drives the lower half part of electrode shell assembly 2 to rotate, and the lower half part of electrode shell assembly 2 rotates to drive feeding assembly 3 to work, so that sintered coke, namely electrode rod, is slowly moved downwards into furnace body 1, timely automatic replenishment of the electrode rod in chemical reaction of furnace body 1 can be realized, and calcium carbide production efficiency is improved;
in order to better understand the above technical solutions, the following detailed description will be given with reference to the accompanying drawings and specific embodiments;
the invention provides a calcium carbide smelting furnace, which comprises a furnace body 1 and further comprises:
an electrode case assembly 2, the electrode case assembly 2 being disposed above the furnace body 1;
the feeding assembly 3 is arranged below the electrode shell assembly 2 and is used for realizing automatic feeding of the electrode rod;
the first motor 4 is arranged outside the electrode shell assembly 2 and is used for providing power for the feeding assembly 3;
by adopting the technical scheme, when calcium carbide is produced, coke and lime are added into the furnace body 1, then a group of electrode bars are electrically communicated with high voltage in the electrode shell, so that the group of electrode bars generate electric arcs and release high temperature to preheat the electrode shell assembly 2 and the furnace body 1, when the temperature in the furnace body 1 is raised to more than 2000 ℃, the coke in the furnace body 1 and the lime are subjected to chemical reaction to generate calcium carbide, and in the process, carbon elements in the electrode bars also participate in the chemical reaction to cause the electrode bars to be self-worn, so that the furnace needs to be timely supplemented;
when the electrode rod is damaged, starting a motor No. 4, and driving the lower half part of the electrode shell assembly 2 to rotate through power transmission of the feeding assembly 3 after the motor No. 4 is started;
meanwhile, the coke and the binder are added into the electrode shell assembly 2 from the upper part of the electrode shell assembly 2 by workers, and as the electrode rod is positioned at the lower half part of the electrode shell assembly 2, the furnace body 1 is positioned below the electrode shell assembly 2, so that the temperature in the electrode shell is gradually reduced from bottom to top, different temperature areas of 900-1000 ℃, 650-750 ℃ and 120-200 ℃ are sequentially formed from bottom to top, when the coke and the binder enter from the upper half part of the electrode shell assembly 2 and then fall into the bottom of the electrode shell assembly 2 due to gravity, the coke and the binder are sequentially softened into liquid electrode paste through a softening stage of 120-200 ℃, then volatilize the binder through a volatilizing stage of 650-750 ℃, and finally are gradually sintered into a hard electrode rod from the liquid electrode paste through a sintering stage of 900-1000 ℃ of the lower half part of the electrode shell;
when the sintering stage of 900-1000 ℃ of the lower half part of the electrode shell is performed, the lower half part of the electrode shell assembly 2 is driven to rotate through the power transmission of the feeding assembly 3 after the first motor 4 is started, the lower half part of the electrode shell assembly 2 rotates to drive the sintered coke, namely the electrode rod, to slowly move downwards into the furnace body 1, and the loss of the electrode rod at one end of the furnace body 1 is supplemented, so that the continuous running of calcium carbide production is ensured;
compared with the prior art that two raw materials of coke and lime are required to be subjected to chemical reaction at the high temperature of an electric arc generated by an electrode rod in the production of the calcium carbide, the electrode rod is formed by adding crushed coke and binder into an electrode shell and performing chemical reaction on the crushed coke and binder through different temperature layers, the temperature inside the electrode shell is gradually increased from top to bottom, the coke and the binder in the motor shell are sequentially softened, volatilized and sintered after being subjected to the high temperature to form the electrode rod, and carbon elements are arranged in the electrode rod, so that the high temperature released by the electric arc generated by the electrode rod provides chemical reaction conditions for the coke and the lime in a furnace, and the carbon elements of the electrode rod also participate in the chemical reaction in the furnace, so that the electrode rod can be worn and need to be supplemented into the furnace in time;
according to the invention, through the mutual matching of the electrode shell assembly 2, the feeding assembly 3 and the first motor 4, the electrode rod production and the calcium carbide production are integrated into a one-piece structure, meanwhile, the first motor 4 drives the feeding assembly 3 to work, the feeding assembly 3 drives the lower half part of the electrode shell assembly 2 to rotate, the lower half part of the electrode shell assembly 2 rotates to drive the sintered coke, namely the electrode rod to slowly move downwards into the furnace body 1, so that the electrode rod can be automatically replenished in time in the chemical reaction of the furnace body 1, and the calcium carbide production efficiency is improved.
As an embodiment of the present invention, the electrode case assembly 2 includes:
the first electrode shell 21 penetrates through the upper surface of the furnace body 1 and is fixedly connected with the furnace body 1;
the second electrode shell 22 is positioned above the first electrode shell 21 and sleeved on the first electrode shell 21, and the second electrode shell 22 is rotationally connected with the outer surface of the first electrode shell 21;
as an embodiment of the present invention, the feeding assembly 3 includes:
the first gear tooth-shaped protrusion 31 is circumferentially and uniformly surrounded on the outer surface of the first electrode shell 21 and fixedly connected with the outer surface of the first electrode shell 21;
the first gear 32 is fixedly connected with the rotating shaft of the first motor 4, and the first gear 32 is meshed with the first gear tooth-shaped protrusion 31;
a Y-shaped discharge hole 33, wherein the Y-shaped discharge hole 33 is formed on the inner surface of the first electrode shell 21;
the spiral bulge 34 is fixedly connected with the lower half part of the wall of the Y-shaped discharging hole 33;
as an implementation mode of the invention, the outer surface of the first electrode shell 21 is rotationally connected with a first bracket 7, one end of the first bracket 7 far away from the first electrode shell 21 is fixedly connected with the furnace body 1, the first motor 4 is fixedly connected with the first bracket 7, and a rotating shaft of the first motor 4 penetrates through the first bracket 7 downwards and is rotationally connected with the first bracket 7;
by adopting the technical scheme, when the electrode rod is damaged, the first motor 4 fixedly connected with the first bracket 7 is started, the rotation shaft of the first motor 4 drives the first gear 32 fixedly connected with the first motor to rotate, the first gear 32 drives the first electrode shell 21 meshed with the first electrode shell through the first gear tooth-shaped bulge 31 to rotate, and the first electrode shell 21 is rotationally connected with the second electrode shell 22 above the first electrode shell 21, so that the first electrode shell 21 rotates, the second electrode shell 22 is static, and the Y-shaped discharge hole 33 is formed in the inner surface of the first electrode shell 21, so that electrode paste in a sintering stage flows downwards into a discharge hole in a vertical state in the Y-shaped discharge hole along the slope of the Y-shaped discharge hole 33, and is sintered into a hard electrode rod due to the continuous action of high temperature after the electrode paste enters the vertical feed hole;
meanwhile, when electrode paste in the sintering stage flows downwards into the smooth part of the vertical discharging hole along the slope of the Y-shaped discharging hole 33, after a hard electrode rod is gradually formed, the first gear 32 drives the first electrode shell 21 to rotate, the Y-shaped discharging hole 33 is formed on the inner surface of the first electrode shell 21, and the spiral bulge 34 is fixedly connected with the lower half part of the wall of the Y-shaped discharging hole 33, so that the rotating first electrode shell 21 drives the spiral bulge 34 to rotate, the spiral bulge 34 is contacted with the surface of the electrode rod, and the upper end of the electrode rod positioned in the vertical part of the Y-shaped discharging hole 33 is pasty and can have traction force on the electrode rod, so that the electrode rod cannot rotate greatly along with the first electrode shell 21 in the rotating process of the spiral bulge 34, but moves vertically downwards under the screw transmission of the spiral bulge 34, namely, the electrode paste is continuously subjected to the action of a high temperature in the process of moving downwards in the Y-shaped discharging hole 33 and is gradually sintered into the hard electrode rod, but still subjected to the spiral transmission action of the rotating spiral bulge 34 to gradually move downwards into the hard electrode rod 1;
the electrode rod production and the calcium carbide production are integrated into a whole structure, so that the electrode rod is automatically and timely supplemented in the chemical reaction of the furnace body 1, and the calcium carbide production efficiency is improved;
meanwhile, since the first motor 4 and the second motor 57 both have a self-locking function through circuit control, and the first electrode shell 21 is rotationally connected with the second electrode shell 22, when the first motor 4 is started and the first electrode shell 21 is driven to rotate through power transmission, the second motor 57 is in a self-locking state, the second motor 57 is self-locked, the second gear 58 is static, one end of the third bracket 56 far away from the second electrode shell 22 is fixedly connected with the furnace body 1, the first electrode shell 21 cannot drive the second electrode shell 22 to rotate when rotating, the first electrode shell 21 is rotationally connected with one end of the first bracket 7, and therefore the first electrode shell 21 cannot drive the first bracket 7 to rotate when rotating.
As an embodiment of the present invention, the second electrode case 22 is provided with a Y-shaped structure;
as an embodiment of the present invention, the upper portion of the electrode case No. two 22 is provided with a grinding mechanism 5, and the grinding mechanism 5 includes:
the second bracket 51, the lower surface of the second bracket 51 is rotatably connected with the upper surface of the second electrode shell 22;
the hydraulic mechanism 52 is fixedly connected with the upper surface of the second bracket 51, and the output end of the hydraulic mechanism 52 is positioned in the second electrode shell 22;
the top end of the conical millstone 53 is fixedly connected with the output end of the hydraulic mechanism 52;
the arc millstone 54 is positioned below the conical millstone 53 and is fixedly connected with the second electrode shell 22;
the second gear tooth-shaped protrusion 55, wherein the second gear tooth-shaped protrusion 55 circumferentially and uniformly surrounds the outer surface of the second electrode shell 22 and is fixedly connected with the outer surface of the second electrode shell 22;
the third bracket 56, the third bracket 56 is rotationally connected with the outer surface of the second electrode shell 22, and one end of the third bracket 56 far away from the second electrode shell 22 is fixedly connected with the furnace body 1;
the second motor 57, the second motor 57 is fixedly connected with the third bracket 56;
the second gear 58, the second gear 58 is fixedly connected with the rotation shaft of the second motor 57, and the second gear 58 is meshed with the second gear tooth-shaped protrusion 55;
the material leakage holes 59 are formed in the arc-shaped millstone 54;
by adopting the technical scheme, the large-scale production is usually carried out in the calcium carbide production, so that more electrode rod raw materials are needed, and when the conditions that the raw materials still generate electrode rods enough for providing chemical reaction for coke and quicklime in the furnace body 1, the conical grinding disc 53 is driven to move downwards by the hydraulic mechanism 52, so that the conical grinding disc 53 seals the second electrode shell 22;
namely: the hydraulic mechanism 52 is started, the output end of the hydraulic mechanism 52 extends downwards to drive the conical grinding disc 53 to move downwards, but as the second electrode shell 22 is of a Y-shaped structure with a wide upper part and a narrow lower part, the conical grinding disc 53 is of a structure with a narrow upper part and a wide lower part, when the inner diameter of the conical grinding disc 53 is equal to that of the second electrode shell 22 in the process of gradually moving downwards, the conical grinding disc 53 cannot move at the moment, and the output end of the hydraulic mechanism 52 stops extending downwards at the moment, so that the conical grinding disc 53 contacts with the upper surface of the arc grinding disc 54 at the moment to block a material leakage hole 59 on the arc grinding disc 54, thereby forming a sealing cover at the upper end of the second electrode shell 22 and sealing the second electrode shell 22;
when the raw materials in the furnace body 1 are insufficient for producing electrode rods, the first motor 4 is firstly turned off, coke and binder particles are added into the second electrode shell 22, at the moment, the coke is all on the upper surface of the conical millstone 53, at the moment, the hydraulic mechanism 52 is controlled again, the output end of the hydraulic mechanism 52 is contracted upwards to drive the conical millstone 53 to move upwards to a certain height, then the hydraulic mechanism 52 is turned off, the larger bottom of the conical millstone 53 moves towards the wider side of the upper part of the second electrode shell 22 away from the narrower part of the second electrode shell 22, a gap exists between the conical millstone 53 and the second electrode shell 22, the coke and the binder particles on the upper surface of the conical millstone 53 move downwards along the gradient of the conical millstone 53 under the action of the self weight of the coke and the binder particles, and the coke slides down to the middle of the arc millstone 54 on the arc millstone 54 due to the concave structure of the arc millstone 54, after the gap between the conical millstone 53 and the arc millstone 54 is filled by the fallen coke, a motor No. two 57 is started, after the motor No. two 57 is started, the motor No. two 57 rotates to drive a gear No. two 58 fixedly connected with the motor No. two 57 to rotate, the gear No. two 58 rotates to drive the electrode No. two 22 meshed with the gear No. two through the gear tooth-shaped protrusions 55 to rotate, and meanwhile, the output end of the hydraulic mechanism 52 is controlled to extend downwards again to drive the conical millstone 53 fixedly connected with the hydraulic mechanism to move downwards until the electrode No. two 22 is sealed;
at this time, since the lower surface of the second bracket 51 is rotationally connected with the upper surface of the second electrode shell 22, the hydraulic mechanism 52 is fixedly connected with the upper surface of the second bracket 51, the output end of the hydraulic mechanism 52 is fixedly connected with the top end of the conical grinding disc 53, and both sides of the arc grinding disc 54 are fixedly connected with the inner surface of the second electrode shell 22, so that the second electrode shell 22 rotates to drive the arc grinding disc 54 to rotate, but since the second bracket 51 is rotationally connected with the upper surface of the second electrode shell 22, the second electrode shell 22 rotates to be static with the second bracket 51, the hydraulic mechanism 52 and the conical grinding disc 53 cannot rotate when the second bracket 51 is static, and therefore the gradually downward moving conical grinding disc 53 and the rotating arc grinding disc 54 squeeze and grind coke between the two, and small coke drops from the leakage hole 59 after grinding;
and by arranging a connecting rod; one end of the connecting rod is fixedly connected with the upper surface of the second bracket 51, one end of the connecting rod, which is far away from the second bracket 51, is fixedly connected with the third bracket 56, so that the second bracket 51 is fixed, and the second bracket 51 is prevented from rotating when the second electrode shell 22 rotates.
Meanwhile, the coke which passes through the gap between the conical millstone 53 and the second electrode shell 22 is doped with a binder with smaller particles, the particle diameter of the binder is smaller than the radius of the material leakage hole 59, and the normal falling of the binder is ensured, so that the integration of coke grinding, electrode rod production and calcium carbide production is realized, and the working efficiency is further improved;
meanwhile, since the first motor 4 and the second motor 57 both have a self-locking function through circuit control, and the first electrode shell 21 is rotationally connected with the second electrode shell 22, when the second motor 57 is started, the first motor 4 is in a self-locking state when the second electrode shell 22 is driven to rotate through power transmission, the first motor 4 is self-locked, the first gear 32 is static, one end of the first bracket 7, far away from the first electrode shell 21, is fixedly connected with the furnace body 1, therefore, the second electrode shell 22 cannot drive the first electrode shell 21 to rotate when rotating, and the second electrode shell 22 is rotationally connected with one end of the third bracket 56, and therefore, the third bracket 56 cannot be driven to rotate when the second electrode shell 22 rotates.
As one embodiment of the invention, the diameter of the bottom surface of the conical millstone 53 is 2-4mm smaller than the chord length of the arc millstone 54;
by adopting the technical scheme, as the conical millstone 53 forms the sealing cover of the second electrode shell 22 when contacting the arc millstone 54 in the downward moving process, in order to avoid abrasion of the surface of the second electrode shell 22 caused by the conical millstone 53 in the upward and downward moving process of the second electrode shell 22, the diameter of the bottom surface of the conical millstone 53 is smaller than the chord length of the arc millstone 54 by 2-4mm, so that abrasion of the side surface of the conical millstone 53 and the surface of the second electrode shell 22 is avoided;
simultaneously, the diameter of the bottom surface of the conical grinding disc 53 is larger than the maximum distribution diameter of the material leakage holes 59 on the arc grinding disc 54, the lower surface of the conical grinding disc 53 can cover the material leakage holes 59 on the arc grinding disc 54, and the sealing effect of the arc grinding disc 54 is ensured.
As an implementation mode of the invention, stirring rods 6 with different lengths are fixedly connected on the inner surface of the second electrode shell 22 and below the arc-shaped grinding disc 54 in a staggered manner;
through adopting above-mentioned technical scheme, through setting up on the electrode shell 22 internal surface No. two and being located arc mill 54 below and all stagger fixedly connected with puddler 6 of different length for when electrode shell 22 rotates under the drive of motor 57 No. two, electrode shell 22 drives its internal surface fixedly connected's puddler 6 rotation, thereby coke and the binder that falls from weeping hole 59 are through staggering and the stirring of the pivoted puddler 6 of different length in the whereabouts in-process, make coke and binder misce bene.
As an embodiment of the present invention, the first motor 4 and the second motor 57 are respectively disposed at two sides of the electrode case assembly 2;
through adopting above-mentioned technical scheme, through setting up motor 4 and No. two motor 57 symmetry and setting up in electrode shell both sides for the motor gravity that electrode shell subassembly 2 both sides received is balanced, guarantees electrode shell subassembly 2's stability.
As one embodiment of the invention, the conical grinding disc 53, the arc grinding disc 54 and the stirring rod 6 are all made of tungsten steel;
through adopting above-mentioned technical scheme, through setting up toper mill 53, arc mill 54 and puddler 6 and all adopting tungsten steel to make, because the temperature is higher in the furnace body 1 can reach more than 2000 degrees, and electrode shell subassembly 2 communicates with each other with furnace body 1, consequently set up toper mill 53, arc mill 54 and puddler 6 and all adopt tungsten steel to make, and tungsten steel has hardness height, heat-resisting and corrosion-resistant characteristics, can guarantee the normal work of toper mill 53, arc mill 54 and puddler 6.
Working principle: when the electrode rod is damaged, a first motor 4 fixedly connected to a first bracket 7 is started, the first motor 4 rotates to drive a first gear 32 fixedly connected with the first motor 4 to rotate, the first gear 32 rotates to drive a first electrode shell 21 meshed with the first gear 32 through a first gear tooth-shaped bulge 31 to rotate, and the first motor 4 shell is rotationally connected with a second electrode shell 22 above the first motor 4, so the first electrode shell 21 rotates, the second electrode shell 22 is static, and as a Y-shaped discharge hole 33 is formed in the inner surface of the first electrode shell 21, electrode paste in a sintering stage flows downwards into a discharge hole in a vertical state of the Y-shaped discharge hole along the slope of the Y-shaped discharge hole 33, and is sintered into a hard electrode rod due to the continuous action of high temperature after the electrode paste enters the vertical feed hole;
meanwhile, in the process that electrode paste in the sintering stage flows downwards into the vertical discharging hole along the slope of the Y-shaped discharging hole 33, as the first gear 32 drives the first electrode shell 21 to rotate, the Y-shaped discharging hole 33 is formed on the inner surface of the first electrode shell 21, the electrode paste is positioned in the vertical discharging hole of the Y-shaped discharging hole 33, and the spiral bulge 34 is fixedly connected with the wall of the Y-shaped discharging hole 33, the rotating first electrode shell 21 drives the spiral bulge 34 to rotate, the electrode paste positioned in the Y-shaped discharging hole 33 slowly moves downwards in the Y-shaped discharging hole 33 under the action of self gravity and the spiral transmission through the spiral bulge 34, and in the process that the electrode paste continuously receives the action of high temperature to be gradually sintered into a hard electrode rod, but still receives the spiral transmission action of the rotating spiral bulge 34 to gradually move downwards into the furnace body 1;
the electrode rod production and the calcium carbide production are integrated into a whole structure, so that the electrode rod can be automatically and timely supplemented in the chemical reaction of the furnace body 1, and the calcium carbide production efficiency is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a carbide smelting furnace, includes furnace body (1), its characterized in that: further comprises:
the electrode shell assembly (2), the said electrode shell assembly (2) is set up above furnace body (1);
the feeding assembly (3) is arranged below the electrode shell assembly (2) and is used for realizing automatic feeding of the electrode rod;
the first motor (4) is arranged outside the electrode shell assembly (2) and is used for providing power for the feeding assembly (3);
the electrode case assembly (2) includes:
the first electrode shell (21) penetrates through the upper surface of the furnace body (1) and is fixedly connected with the furnace body (1);
the second electrode shell (22) is positioned above the first electrode shell (21) and sleeved on the first electrode shell (21), and the second electrode shell (22) is rotationally connected with the outer surface of the first electrode shell (21);
the feeding assembly (3) comprises:
the first gear tooth-shaped bulge (31) uniformly surrounds the outer surface of the first electrode shell (21) in a circumferential shape and is fixedly connected with the outer surface of the first electrode shell (21);
the first gear (32) is fixedly connected with the rotating shaft of the first motor (4), and the first gear (32) is meshed with the first gear tooth-shaped protrusion (31);
the Y-shaped discharging hole (33) is formed in the inner surface of the first electrode shell (21);
the spiral bulge (34) is fixedly connected with the lower half part of the wall of the Y-shaped discharging hole (33);
the outer surface of the first electrode shell (21) is rotationally connected with a first bracket (7), one end, far away from the first electrode shell (21), of the first bracket (7) is fixedly connected with the furnace body (1), the first motor (4) is fixedly connected with the first bracket (7), and a rotating shaft of the first motor (4) downwards penetrates through the first bracket (7) and is rotationally connected with the first bracket (7);
the second electrode shell (22) is of a Y-shaped structure;
the upper portion of the second electrode shell (22) is provided with a grinding mechanism (5), and the grinding mechanism (5) comprises:
the lower surface of the second bracket (51) is rotationally connected with the upper surface of the second electrode shell (22);
the hydraulic mechanism (52) is fixedly connected with the upper surface of the second bracket (51), and the output end of the hydraulic mechanism (52) is positioned in the second electrode shell (22);
the top end of the conical millstone (53) is fixedly connected with the output end of the hydraulic mechanism (52);
the arc millstone (54) is positioned below the conical millstone (53) and is fixedly connected with the second electrode shell (22);
the second gear tooth-shaped bulge (55), wherein the second gear tooth-shaped bulge (55) uniformly surrounds the outer surface of the second electrode shell (22) in a circumferential shape and is fixedly connected with the outer surface of the second electrode shell (22);
the third support (56) is rotationally connected with the outer surface of the second electrode shell (22), and one end, far away from the second electrode shell (22), of the third support (56) is fixedly connected with the furnace body (1);
the second motor (57) is fixedly connected with the third bracket (56);
the second gear (58), the second gear (58) is fixedly connected with a rotating shaft of the second motor (57), and the second gear (58) is meshed with the second gear tooth-shaped protrusion (55);
and the material leakage holes (59), wherein the material leakage holes (59) are formed in the arc-shaped millstone (54).
2. The calcium carbide smelting furnace according to claim 1, wherein: the diameter of the bottom surface of the conical millstone (53) is smaller than the chord length of the arc millstone (54) by 2-4mm.
3. The calcium carbide smelting furnace according to claim 1, wherein: stirring rods (6) with different lengths are fixedly connected on the inner surface of the second electrode shell (22) and are positioned below the arc-shaped grinding disc (54) in a staggered mode.
4. The calcium carbide smelting furnace according to claim 1, wherein: the first motor (4) and the second motor (57) are respectively arranged at two sides of the electrode shell assembly (2).
5. The calcium carbide smelting furnace according to claim 1, wherein: the conical millstone (53), the arc millstone (54) and the stirring rod (6) are all made of tungsten steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210470241.7A CN114715893B (en) | 2022-04-28 | 2022-04-28 | Calcium carbide smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210470241.7A CN114715893B (en) | 2022-04-28 | 2022-04-28 | Calcium carbide smelting furnace |
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| CN114715893B true CN114715893B (en) | 2023-10-10 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876220A (en) * | 2015-05-12 | 2015-09-02 | 内蒙古鄂尔多斯电力冶金股份有限公司氯碱化工分公司 | Feed system and feed method of calcium carbide furnace |
| CN107500295A (en) * | 2017-09-21 | 2017-12-22 | 神雾科技集团股份有限公司 | Smelting furnace |
| CN110986595A (en) * | 2019-12-11 | 2020-04-10 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Automatic electrode paste adding device and method for submerged arc furnace |
| CN111811254A (en) * | 2020-08-05 | 2020-10-23 | 河南省德耀节能科技股份有限公司 | High-production-efficiency adjustable calcium carbide or ferroalloy production system |
-
2022
- 2022-04-28 CN CN202210470241.7A patent/CN114715893B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876220A (en) * | 2015-05-12 | 2015-09-02 | 内蒙古鄂尔多斯电力冶金股份有限公司氯碱化工分公司 | Feed system and feed method of calcium carbide furnace |
| CN107500295A (en) * | 2017-09-21 | 2017-12-22 | 神雾科技集团股份有限公司 | Smelting furnace |
| CN110986595A (en) * | 2019-12-11 | 2020-04-10 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Automatic electrode paste adding device and method for submerged arc furnace |
| CN111811254A (en) * | 2020-08-05 | 2020-10-23 | 河南省德耀节能科技股份有限公司 | High-production-efficiency adjustable calcium carbide or ferroalloy production system |
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| CN114715893A (en) | 2022-07-08 |
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