CN116379788A - Aluminothermic reaction furnace for preparing intermediate alloy - Google Patents
Aluminothermic reaction furnace for preparing intermediate alloy Download PDFInfo
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- CN116379788A CN116379788A CN202310384407.8A CN202310384407A CN116379788A CN 116379788 A CN116379788 A CN 116379788A CN 202310384407 A CN202310384407 A CN 202310384407A CN 116379788 A CN116379788 A CN 116379788A
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- 239000000956 alloy Substances 0.000 title claims abstract description 42
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 41
- 238000007133 aluminothermic reaction Methods 0.000 title abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 134
- 239000011261 inert gas Substances 0.000 claims abstract description 27
- 239000000376 reactant Substances 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 230000007306 turnover Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000003832 thermite Substances 0.000 claims 9
- 239000000428 dust Substances 0.000 abstract description 14
- 239000000779 smoke Substances 0.000 abstract description 14
- 239000002893 slag Substances 0.000 abstract description 11
- 238000003723 Smelting Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 description 14
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003886 thermite process Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the technical field of smelting equipment, and provides an aluminothermic reaction furnace for preparing intermediate alloy, which comprises a shell, wherein a reaction container and a crucible are arranged in the shell, a turnover part and a residue filtering part are arranged between the reaction container and the shell, and a sliding part is arranged between the crucible and the shell and used for sliding the crucible out of the shell; the furnace door is hinged to the bottom of the side wall of the shell and is arranged close to the crucible; an inert gas flowing part, two ends of which are respectively communicated with the inside of the shell; a splash-proof sealing part arranged at the top of the shell and used for preventing reactants from splashing when the reaction is carried out; and the ignition part is used for igniting reactants, and the ignition part is connected with the inert gas flowing part through an alternate movement assembly. The invention can reduce the contact time of reactants and air, effectively treat smoke dust, realize automatic slag inclusion filtration, and simultaneously ensure safe and reliable reaction process.
Description
Technical Field
The invention belongs to the technical field of smelting equipment, and particularly relates to an aluminothermic reaction furnace for preparing intermediate alloy.
Background
The intermediate alloy is an important raw material in the smelting process of special steel, titanium alloy, high-temperature alloy and other materials. With the rapid advance of material technology, the performance requirements of alloy materials are more and more severe, and higher quality standards are also put forward for intermediate alloys serving as raw materials. The thermite process is a process for reducing certain metal oxides with aluminum at high temperatures to obtain certain elemental metals or alloys, and is currently the simplest and largest gauge master alloy production process.
The existing aluminothermic reaction furnace has some problems in structure, for example, the reaction process is easily influenced by oxygen to generate oxides, and the content of tiny slag inclusion in the smelted alloy is higher, so that the purity of the alloy is influenced; a large amount of smoke dust generated during the reaction cannot be effectively absorbed, and the workshop environment is easy to be polluted; the general aluminothermic reaction furnace has the problem that no sputtering prevention protection mechanism is arranged, operators are easy to sputter, and the safety is poor. In order to avoid the above problems, there is a need for an aluminothermic reaction furnace that can reduce the contact time of reactants with air, can effectively treat smoke dust during the reaction process, can automatically filter slag inclusion after the reaction is finished, and can safely and reliably prepare intermediate alloy during the reaction process.
Disclosure of Invention
The invention aims to provide an aluminothermic reaction furnace for preparing intermediate alloy, which solves the problems, reduces the contact time of reactants and air, can effectively treat smoke dust in the reaction process, can automatically filter slag inclusion after the reaction is finished, and is safe and reliable in the reaction process.
In order to achieve the above object, the present invention provides the following solutions: an aluminothermic reaction furnace for preparing a master alloy comprising:
the device comprises a shell, wherein a reaction container and a crucible are arranged in the shell, main preparation reaction is carried out in the reaction container, the crucible is used for containing intermediate alloy after the reaction, a turnover part and a filter residue part are arranged between the reaction container and the shell, the turnover part and the filter residue part are used for pouring clean substances in the reaction container into the crucible after the reaction is completed, a sliding part is arranged between the crucible and the shell, and the sliding part is used for sliding the crucible out of the shell;
the furnace door is hinged to the bottom of the side wall of the shell and is arranged close to the crucible;
the inert gas flow part is communicated with the inside of the shell at two ends respectively and is used for circulating inert gas in the shell and filtering the inert gas;
a splash-proof seal portion provided at a top of the housing for preventing the reactants from splashing out when the reaction proceeds;
and the ignition part is used for igniting reactants, and the ignition part is connected with the inert gas flowing part through an alternate motion assembly.
Preferably, the turnover part comprises a base fixedly connected with the bottom inside the shell, two groups of support rods are vertically and fixedly connected to the base, the reaction vessel is rotationally connected between the two groups of support rods through two groups of rotating shafts horizontally arranged, a second shell is fixedly connected to the outer side wall of the shell, a second motor is fixedly connected to the inner side of the second shell, and an output shaft of the second motor penetrates through the shell and is fixedly connected with one end, away from the reaction vessel, of the rotating shaft in a coaxial line mode.
Preferably, the filter residue portion is including articulating the filter at reaction vessel top, the filter with reaction vessel's open-top looks adaptation, the one end that the pin joint was kept away from to the filter with be provided with locking subassembly between the reaction vessel, fixedly connected with hoist shell on the outer wall of shell, hoist shell internal rotation is connected with the hoist, hoist with be provided with first drive assembly between the hoist shell, the round joint has the one end of steel wire on the hoist, the other end of steel wire runs through the shell and corresponds the setting with locking subassembly.
Preferably, the locking assembly comprises a clamping hook and a clamping block, the clamping hook is hinged to one end of the filtering plate, which is far away from the hinging point of the filtering plate and the reaction container, the clamping block is fixedly connected to the side wall of the hinging point of the filtering plate and the reaction container, the bottom of the clamping hook is correspondingly arranged with the bottom surface of the clamping block, the top of the clamping hook is far away from a plumb block fixedly connected to the side wall of the filtering plate, the plumb block is located above the hinging point of the clamping hook, and the steel wire is far away from one end of the winding and the top of the clamping hook is fixedly connected.
Preferably, the inert gas flow part comprises a gas jet pipe penetrating through the side wall of the shell, the gas outlet end of the gas jet pipe is correspondingly arranged with the reaction vessel, the gas inlet end of the gas jet pipe is communicated with one end of a hose, the other end of the hose is communicated with the gas outlet end of a second air pump, the gas inlet end of the second air pump is communicated with the gas outlet end of a gas storage tank through a pipeline, the gas inlet end of the gas storage tank is communicated with the gas outlet end of a filter assembly through a pipeline, the gas inlet end of the filter assembly is communicated with the gas outlet end of a first air pump through a pipeline, and the gas inlet end of the first air pump is communicated with the inside of the shell through a splash-proof sealing part.
Preferably, the filter assembly comprises a filter shell, a filter screen is fixedly connected in the filter shell, and an air inlet end of the filter shell and an air outlet end of the filter shell are respectively positioned at two sides of the filter screen.
Preferably, the ignition section includes a burner tube extending through the housing, and the alternating motion assembly is disposed between the burner tube and the gas lance.
Preferably, the alternating motion assembly comprises a third shell fixedly connected to the outer wall of the shell, two groups of racks are horizontally and slidably connected between the third shell and the shell, gears are meshed between the two groups of racks, the gears are located in the third shell and a second driving assembly is arranged between the gears and the third shell, and the air spraying pipe and the combustion pipe are respectively and fixedly connected to two groups of side walls of the racks away from the gears.
Preferably, the splash-proof sealing part comprises a top cover, the top cover is matched with the opening of the shell, a first shell is fixedly connected to the side wall of the shell, an air cylinder is vertically and rotationally connected to the top of the first shell, the top end of a telescopic rod of the air cylinder is fixedly connected with the side wall of the top cover, a first motor is fixedly connected in the first shell, and an output shaft of the first motor penetrates through the first shell and is fixedly connected with the same axis as the air cylinder.
Preferably, the sliding part comprises a sliding rail horizontally and fixedly connected to the bottom of the inner side of the shell, the sliding rail is correspondingly arranged with the furnace door, a sliding table is slidably connected to the sliding rail, and the crucible is fixedly connected to the sliding table.
Compared with the prior art, the invention has the following advantages and technical effects: the main function of the turnover part is to drive the reaction vessel to turn over after the reaction in the reaction vessel is finished, and pour the liquid alloy in the reaction vessel into the crucible; the main function of the aluminum slag part is to filter at the opening of the reaction vessel when pouring out the liquid alloy, and to block slag inclusion in the reaction vessel, so that the purity of the prepared liquid alloy is higher; the main function of the inert gas flowing part is to fill excessive inert gas into the shell in the reaction process to isolate reactants from air, and simultaneously, the gas is discharged from the shell to carry out smoke dust and adsorb the smoke dust; the splash-proof sealing part has the main functions of blocking the opening at the top of the shell when the reaction is carried out, preventing the situation of liquid splashing and improving the safety; the main function of the ignition part is to ignite reactants to make the reaction proceed; the main function of the alternate movement assembly is to enable the end part of the ignition part and the air outlet of the inert gas flow part to be close to the reaction container when needed and far away from the reaction container when not needed, so that the reaction is prevented from being baked for a long time in the high-temperature reaction when the distance is too close. In the whole, the invention can effectively treat the smoke dust in the reaction process, avoid the pollution of the workshop environment, reduce the contact time of reactants and air, automatically filter slag inclusion after the reaction is finished, improve the purity and quality of the smelting alloy, and simultaneously ensure the safety and reliability of the reaction process.
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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic front view of a reaction furnace according to the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is an enlarged view of part B of FIG. 1;
FIG. 4 is a left side cross-sectional view of the reactor of the present invention;
FIG. 5 is a schematic view showing the tilting state of the reaction furnace according to the present invention;
FIG. 6 is an enlarged view of part C of FIG. 5;
FIG. 7 is a partial enlarged view of D in FIG. 5;
FIG. 8 is a schematic view of the reactor of the present invention with the crucible 16 removed;
wherein, 1, the shell; 2. a heat preservation layer; 3. a base; 4. a support rod; 5. a reaction vessel; 6. a filter plate; 7. a top cover; 8. a first air pump; 9. a filter housing; 10. a filter screen; 11. a gas storage tank; 12. a second air pump; 13. a hose; 14. a gas lance; 15. a combustion tube; 16. a crucible; 17. a slide rail; 18. a sliding table; 19. a winding housing; 20. hoisting; 21. a steel wire; 22. a furnace door; 23. a hook; 24. a cylinder; 25. a first motor; 26. a first housing; 27. a second housing; 28. a second motor; 29. a rotating shaft; 30. a rack; 31. a gear; 32. a clamping block; 33. a plumb block; 34. a third housing; 35. and an external sliding rail.
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.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 8, the present invention provides an aluminothermic reaction furnace for preparing a master alloy, comprising:
the reaction device comprises a shell 1, wherein a reaction container 5 and a crucible 16 are arranged in the shell 1, main preparation reaction is carried out in the reaction container 5, the crucible 16 is used for containing intermediate alloy after the reaction, a turnover part and a residue filtering part are arranged between the reaction container 5 and the shell 1, the turnover part and the residue filtering part are used for pouring clean substances in the reaction container 5 into the crucible 16 after the reaction is completed, a sliding part is arranged between the crucible 16 and the shell 1, and the sliding part is used for sliding the crucible 16 out of the shell 1;
the furnace door 22, the furnace door 22 is hinged at the bottom of the side wall of the shell 1 and is arranged close to the crucible 16;
the inert gas flow part is respectively communicated with the inside of the shell 1 at two ends, and is used for circulating inert gas in the shell 1 and filtering the inert gas;
a splash-proof seal part provided at the top of the housing 1 for preventing the reactants from splashing out when the reaction proceeds;
and the ignition part is used for igniting reactants, and the ignition part is connected with the inert gas flowing part through an alternate movement assembly.
The main function of the turnover part is to drive the reaction vessel 5 to turn over after the reaction in the reaction vessel 5 is finished, and pour the liquid alloy in the reaction vessel into the crucible 16; the main function of the aluminum slag part is to filter at the opening of the reaction vessel 5 when pouring out the liquid alloy, and to block slag inclusion in the reaction vessel 5, so that the purity of the prepared liquid alloy is higher; the main function of the inert gas flow part is to fill excessive inert gas into the shell 1 in the reaction process to isolate reactants from air, and simultaneously, the gas is discharged from the shell 1 to carry out smoke dust and adsorb the smoke dust; the splash-proof sealing part has the main functions of blocking the opening at the top of the shell 1 when the reaction is carried out, preventing the situation of liquid splashing and improving the safety; the main function of the ignition part is to ignite reactants to make the reaction proceed; the main function of the alternate motion assembly is to make the end of the ignition part and the air outlet of the inert gas flow part close to the reaction vessel 5 when needed and far away from the reaction vessel 5 when not needed, so as to avoid the too close distance from being baked for a long time in the high temperature reaction. In the whole, the invention can effectively treat the smoke dust in the reaction process, avoid the pollution of the workshop environment, reduce the contact time of reactants and air, automatically filter slag inclusion after the reaction is finished, improve the purity and quality of the smelting alloy, and simultaneously ensure the safety and reliability of the reaction process.
Further optimizing scheme, the inside of shell 1 and furnace gate 22 is fixedly connected with heat preservation 2 respectively.
The heat preservation layer 2 is made of alumina ash.
Further optimizing scheme, upset portion includes the base 3 of fixed connection in the inboard bottom of shell 1, two sets of bracing pieces 4 of vertical fixedly connected with on the base 3, and reaction vessel 5 rotates through the pivot 29 of two sets of level settings and connects between two sets of bracing pieces 4, fixedly connected with second casing 27 on the lateral wall of shell 1, fixedly connected with second motor 28 in the second casing 27, and the output shaft of second motor 28 runs through shell 1 and with one end coaxial line fixed connection that reaction vessel 5 was kept away from to pivot 29.
As shown in fig. 4, after the smelting reaction is finished, the second motor 28 is controlled to rotate, the second motor 28 drives the rotating shaft 29 to rotate on the supporting rod 4, the rotating shaft 29 rotates to drive the reaction vessel 5 to rotate and lodge, and finally, the liquid alloy in the reaction vessel 5 flows into the crucible 16.
Further optimizing scheme, filter residue portion is including articulating the filter 6 at reaction vessel 5 top, the open-top looks adaptation of filter 6 and reaction vessel 5 is provided with locking subassembly between the one end that the pin joint was kept away from to filter 6 and the reaction vessel, fixedly connected with hoist shell 19 on the outer wall of shell 1, hoist shell 19 internal rotation is connected with hoist 20, be provided with first drive assembly between hoist 20 and the hoist shell 19, the last one end that has the wire 21 of reel joint of hoist 20, the other end of wire 21 runs through shell 1 and corresponds the setting with locking subassembly.
Further preferably, the first driving part includes a gear motor (not shown in the figure) fixedly connected in the winding housing 19, and an output shaft of the gear motor is fixedly connected with a rotating shaft of the winding 20 coaxially.
As shown in fig. 1, 2 and 5, in the state of non-pouring liquid alloy, the reaction vessel 5 is in a flat state, the gear motor winds the steel wire 21 by driving the winch 20 to rotate, and the steel wire 21 lifts the filter plate 6 by pulling the locking assembly, so that the opening at the top of the reaction vessel 5 is not blocked, and reactants can be smoothly placed in the reaction vessel 5.
Before the liquid alloy needs to be poured, the gear motor is reversed to drive the winch 20 to be reversed, the steel wire 21 is released, the filter plate 6 is lowered, and the filter plate 6 is attached to the opening of the reaction container 5.
Further optimizing scheme, the locking subassembly includes trip 23 and fixture block 32, trip 23 articulates the one end of keeping away from the pin joint of filter 6 and reaction vessel 5 at filter 6, fixture block 32 fixed connection is kept away from on the lateral wall of pin joint of filter 6 and reaction vessel 5 at reaction vessel 5, the bottom of trip 23 corresponds the setting with the bottom surface of fixture block 32, fixedly connected with plumb block 33 on the lateral wall of keeping away from filter 6 at the top of trip 23, plumb block 33 is located the top of pin joint of trip 23, the one end that hoist 20 was kept away from to wire 21 and the top fixed connection of trip 23.
As shown in fig. 6, when the liquid alloy needs to be poured, the winch 20 releases the steel wire 21, the steel wire 21 stretches to enable the filter plate 6 to be lowered, and after the filter plate 6 is attached to the reaction vessel 5, the clamping hooks 23 are clamped on the bottom surfaces of the clamping blocks 32 in the inclined plane guide mode. Because of the gravity action of the plumb block 33 at the top of the clamping hook 23, the clamping hook 23 generates an inward rotating moment along the hinge shaft, thereby avoiding the risk that the clamping hook 23 is separated from the clamping block 32 in the process of dumping the reaction container 5, enabling the filter plate 6 to always seal the opening of the reaction container 5 and ensuring the effectiveness of the aluminum slag action. During the process of pouring the reaction vessel 5, the winch 20 continues to release the steel wire, avoiding pulling the hook 23.
When the reaction container 5 is restored to a flat state, the gear motor drives the winch 20 to rotate to recover the steel wire 21, the steel wire 21 pulls the clamping hook 23, the clamping hook 23 rotates outwards around the hinge shaft and is separated from the clamping block 32, the steel wire 21 continues to tighten the steel wire 21, and the steel wire 21 can pull up the filter plate 6 by driving the clamping hook 23.
Further optimizing scheme, inert gas flow portion is including the gas jet 14 that runs through shell 1 lateral wall, the end of giving vent to anger of gas jet 14 corresponds the setting with reaction vessel 5, the inlet end intercommunication of gas jet 14 has the one end of hose 13, the other end intercommunication of hose 13 has the end of giving vent to anger of second air pump 12, the inlet end of second air pump 12 has the end of giving vent to anger of gas holding vessel 11 through the pipeline intercommunication, the inlet end of gas holding vessel 11 has the end of giving vent to anger of filter equipment through the pipeline intercommunication, the inlet end of filter equipment has the end of giving vent to anger of first air pump 8 through the pipeline intercommunication, the inlet end of first air pump 8 passes through splash seal portion and the inside intercommunication of shell 1.
Further optimizing scheme, filter assembly includes filtering casing 9, and filtering casing 9 internal fixation has filter screen 10, and filtering casing 9's inlet end and filtering casing 9's end of giving vent to anger are located the both sides of filter screen 10 respectively.
After the ignition part ignites and starts the reaction, the second air pump 12 blows the inert gas in the gas storage tank 11 into the reaction vessel 5 through the hose 13 and the air injection pipe 14, so that the reaction vessel 5 is filled with the inert gas, and the contact of reactants and oxygen is avoided. Simultaneously, the first air pump 8 is started, the first air pump 8 pumps out the smoke dust generated by the gas communication reaction in the shell 1 through a pipeline and sends the smoke dust into the filtering shell 9, inert gas returns to the gas storage tank 11 through the filter screen 10 in the filtering shell 9, and the carried smoke dust is blocked on the wind receiving side of the filter screen 10, so that the purpose of filtering and collecting the smoke dust is realized.
Further preferably, the ignition section comprises a burner tube 15 extending through the housing 1, and the alternating motion assembly is arranged between the burner tube 15 and the gas lance 14.
Further optimizing scheme, the alternating motion assembly includes the third casing 34 of fixed connection on the shell 1 outer wall, and horizontal sliding connection has two sets of racks 30 between third casing 34 and the shell 1, and the meshing has gear 31 between two sets of racks 30, and gear 31 is located in third casing 34 and is provided with the second drive assembly with between the third casing 34, and jet tube 14 and combustion tube 15 are fixed connection respectively on the lateral wall that gear 31 was kept away from to two sets of racks 30.
In a further preferred embodiment, the second driving assembly includes a third motor (not shown) fixedly connected to the third housing 34, and an output shaft of the third motor is fixedly connected to the gear 31 coaxially.
As shown in fig. 7, before the thermit reaction, the third motor drives the gear 31 to rotate, and the gear 31 rotates to drive the rack 30 fixedly connected with the combustion tube 15 to move towards the direction of approaching the reaction vessel 5, so that the rack 30 fixedly connected with the air injection tube 14 moves towards the direction of separating from the reaction vessel 5, and the combustion tube 15 stretches into the reaction vessel 5 to ignite the magnesium strip, so that the reaction starts. Then, the third motor is reversed, and the two groups of racks 30 are driven to enable the air ejector 14 to extend into the reaction container 5, so that inert gas ejected from the air ejector 14 is convenient to contact with reactants, and meanwhile, the combustion tube 15 is enabled to move backwards and away from the reaction container 5, and long-time baking is avoided.
Further optimizing scheme, splash proof sealing portion includes top cap 7, and top cap 7 and the open-ended looks adaptation of shell 1, fixedly connected with first casing 26 on the lateral wall of shell 1, the vertical rotation in top of first casing 26 is connected with cylinder 24, and the telescopic link top and the lateral wall fixed connection of top cap 7 of cylinder 24, fixedly connected with first motor 25 in the first casing 26, the output shaft of first motor 25 runs through first casing 26 and with cylinder 24 coaxial line fixed connection.
As shown in fig. 1 and 3, when a reactant needs to be added into the reaction container 5, the cylinder 24 is controlled to extend to lift the top cover 7, then the first motor 25 is controlled to drive the cylinder 24 to rotate, and the cylinder 24 rotates to drive the top cover 7 to rotate together, so that the top cover 7 moves away from the opening of the housing 1, and the reactant is convenient for an operator to add. After the addition is finished, the first motor 25 is controlled to rotate reversely, the cylinder 24 is controlled to recycle, the top cover 7 is tightly covered on the shell 1, liquid splashing during the reaction is avoided, and the safety is improved.
Further optimizing scheme, the sliding part includes the slide rail 17 of horizontal fixed connection in shell 1 inboard bottom, and slide rail 17 corresponds the setting with furnace gate 22, and sliding connection has slip table 18 on the slide rail 17, and crucible 16 fixed connection is on slip table 18.
As shown in fig. 8, after the reaction is completed and the liquid alloy in the reaction vessel 5 is poured into the crucible 16, the operator opens the furnace door 22 and connects a section of external slide rail 35 at the end of the slide rail 17, so that the slide table 18 can be moved to the outside of the casing 1 by pulling the slide table 18 to slide the crucible 16 out of the casing 1, thereby facilitating the subsequent processing work.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (10)
1. An aluminothermic reactor for preparing a master alloy comprising:
the reaction device comprises a shell (1), wherein a reaction container (5) and a crucible (16) are arranged in the shell (1), main preparation reaction is carried out in the reaction container (5), the crucible (16) is used for containing intermediate alloy after the reaction, a turnover part and a filter residue part are arranged between the reaction container (5) and the shell (1), the turnover part and the filter residue part are used for pouring clean substances in the reaction container (5) into the crucible (16) after the reaction is completed, and a sliding part is arranged between the crucible (16) and the shell (1) and used for sliding the crucible (16) out of the shell (1);
the furnace door (22) is hinged to the bottom of the side wall of the shell (1) and is arranged close to the crucible (16);
an inert gas flow part, both ends of which are respectively communicated with the inside of the housing (1), for circulating inert gas in the housing (1) and filtering the inert gas;
a splash-proof seal part provided on the top of the housing (1) for preventing the reactants from splashing out when the reaction proceeds;
and the ignition part is used for igniting reactants, and the ignition part is connected with the inert gas flowing part through an alternate motion assembly.
2. The thermite reaction furnace for preparing a master alloy according to claim 1, wherein: the turnover part comprises a base (3) fixedly connected to the bottom of the inner side of the shell (1), two groups of support rods (4) are vertically and fixedly connected to the base (3), the reaction vessel (5) is rotationally connected between the two groups of support rods (4) through two groups of rotating shafts (29) which are horizontally arranged, a second shell (27) is fixedly connected to the outer side wall of the shell (1), a second motor (28) is fixedly connected to the inner side of the second shell (27), and an output shaft of the second motor (28) penetrates through the shell (1) and is coaxially and fixedly connected with one end, far away from the reaction vessel (5), of the rotating shafts (29).
3. The thermite reaction furnace for preparing a master alloy according to claim 1, wherein: filter residue portion is including articulating filter (6) at reaction vessel (5) top, filter (6) with the open-top looks adaptation of reaction vessel (5), the one end that the pin joint was kept away from to filter (6) with be provided with locking subassembly between the reaction vessel, fixedly connected with hoist shell (19) on the outer wall of shell (1), hoist shell (19) internal rotation is connected with hoist (20), hoist (20) with be provided with first drive assembly between hoist shell (19), the one end of wire (21) has been winded on hoist (20), the other end of wire (21) runs through shell (1) and corresponds the setting with locking subassembly.
4. A thermite reaction furnace for producing a master alloy as claimed in claim 3, wherein: the locking assembly comprises a clamping hook (23) and a clamping block (32), wherein the clamping hook (23) is hinged to the filter plate (6) and is far away from one end of a hinge joint of the filter plate (6) and the reaction container (5), the clamping block (32) is fixedly connected to the side wall of the hinge joint of the filter plate (6) and the reaction container (5) far away from the reaction container (5), the bottom of the clamping hook (23) and the bottom surface of the clamping block (32) are correspondingly arranged, a plumb block (33) is fixedly connected to the top of the clamping hook (23) and is far away from the side wall of the filter plate (6), the plumb block (33) is located above the hinge joint of the clamping hook (23), and one end of the steel wire (21) far away from the winch (20) is fixedly connected to the top of the clamping hook (23).
5. The thermite reaction furnace for preparing a master alloy according to claim 1, wherein: the inert gas flow part comprises an air jet pipe (14) penetrating through the side wall of the shell (1), the air outlet end of the air jet pipe (14) is correspondingly arranged with the reaction vessel (5), the air inlet end of the air jet pipe (14) is communicated with one end of a hose (13), the other end of the hose (13) is communicated with the air outlet end of a second air pump (12), the air inlet end of the second air pump (12) is communicated with the air outlet end of a gas storage tank (11) through a pipeline, the air inlet end of the gas storage tank (11) is communicated with the air outlet end of a filter assembly through a pipeline, the air inlet end of the filter assembly is communicated with the air outlet end of a first air pump (8) through a pipeline, and the air inlet end of the first air pump (8) is communicated with the inside of the shell (1) through a splash-proof sealing part.
6. The thermite reaction furnace for preparing a master alloy according to claim 5, wherein: the filter assembly comprises a filter shell (9), a filter screen (10) is fixedly connected in the filter shell (9), and an air inlet end of the filter shell (9) and an air outlet end of the filter shell (9) are respectively positioned on two sides of the filter screen (10).
7. The thermite reaction furnace for preparing a master alloy according to claim 5, wherein: the ignition section comprises a combustion tube (15) penetrating the housing (1), the alternating motion assembly being arranged between the combustion tube (15) and the gas lance (14).
8. The thermite reaction furnace for preparing a master alloy according to claim 7, wherein: the alternating motion assembly comprises a third shell (34) fixedly connected to the outer wall of the shell (1), two groups of racks (30) are horizontally and slidably connected between the third shell (34) and the shell (1), gears (31) are meshed between the two groups of racks (30), the gears (31) are located in the third shell (34) and a second driving assembly is arranged between the third shell (34), and the air ejector tube (14) and the combustion tube (15) are respectively and fixedly connected to the side walls of the two groups of racks (30) away from the gears (31).
9. The thermite reaction furnace for preparing a master alloy according to claim 5, wherein: the splash-proof sealing part comprises a top cover (7), the top cover (7) is matched with an opening of the shell (1), a first shell (26) is fixedly connected to the side wall of the shell (1), an air cylinder (24) is vertically connected to the top of the first shell (26) in a rotating mode, the top end of a telescopic rod of the air cylinder (24) is fixedly connected with the side wall of the top cover (7), a first motor (25) is fixedly connected in the first shell (26), and an output shaft of the first motor (25) penetrates through the first shell (26) and is fixedly connected with the air cylinder (24) in a coaxial line mode.
10. The thermite reaction furnace for preparing a master alloy according to claim 5, wherein: the sliding part comprises a sliding rail (17) horizontally and fixedly connected to the bottom of the inner side of the shell (1), the sliding rail (17) is correspondingly arranged with the furnace door (22), a sliding table (18) is connected to the sliding rail (17) in a sliding manner, and the crucible (16) is fixedly connected to the sliding table (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310384407.8A CN116379788B (en) | 2023-04-12 | 2023-04-12 | Aluminothermic reaction furnace for preparing intermediate alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310384407.8A CN116379788B (en) | 2023-04-12 | 2023-04-12 | Aluminothermic reaction furnace for preparing intermediate alloy |
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| CN116379788B CN116379788B (en) | 2024-04-30 |
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| GB831887A (en) * | 1957-04-12 | 1960-04-06 | Geraetebau Anstalt | Improvements in and relating to vacuum melting- and casting-plants |
| JPH08252650A (en) * | 1995-03-17 | 1996-10-01 | Shinko Electric Co Ltd | Casting equipment of vacuum induction melting furnace |
| CN207850043U (en) * | 2017-12-15 | 2018-09-11 | 郑州机械研究所有限公司 | A kind of fine silver melt material vacuum melting device |
| CN112325304A (en) * | 2020-11-04 | 2021-02-05 | 浙江三龙催化剂有限公司 | Burn burning furnace that combustion efficiency is high |
| CN214842447U (en) * | 2021-07-15 | 2021-11-23 | 上海驰声新材料有限公司 | Smelting furnace with air cooling device |
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2023
- 2023-04-12 CN CN202310384407.8A patent/CN116379788B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB831887A (en) * | 1957-04-12 | 1960-04-06 | Geraetebau Anstalt | Improvements in and relating to vacuum melting- and casting-plants |
| JPH08252650A (en) * | 1995-03-17 | 1996-10-01 | Shinko Electric Co Ltd | Casting equipment of vacuum induction melting furnace |
| CN207850043U (en) * | 2017-12-15 | 2018-09-11 | 郑州机械研究所有限公司 | A kind of fine silver melt material vacuum melting device |
| CN112325304A (en) * | 2020-11-04 | 2021-02-05 | 浙江三龙催化剂有限公司 | Burn burning furnace that combustion efficiency is high |
| CN214842447U (en) * | 2021-07-15 | 2021-11-23 | 上海驰声新材料有限公司 | Smelting furnace with air cooling device |
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| CN116379788B (en) | 2024-04-30 |
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