CN218272061U - Melting dripping experimental device - Google Patents
Melting dripping experimental device Download PDFInfo
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- CN218272061U CN218272061U CN202222256628.0U CN202222256628U CN218272061U CN 218272061 U CN218272061 U CN 218272061U CN 202222256628 U CN202222256628 U CN 202222256628U CN 218272061 U CN218272061 U CN 218272061U
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Abstract
The utility model discloses a melting dripping experimental apparatus, including the mounting bracket: the inner wall of mounting bracket is provided with the melting heating element, and the bottom of melting heating element is provided with the case that drips, the top of mounting bracket is provided with the pneumatic cylinder, and the bottom of pneumatic cylinder is provided with the pressurization piece that extends to in the melting heating element, be provided with the combustor on the melting heating element, and the air inlet of combustor is provided with the air duct that extends to on the pressurization piece, and the gas outlet and the purification subassembly of combustor are connected. The utility model discloses in, this experimental apparatus is through the purification subassembly that sets up, can play leading-in purification treatment to the waste gas that produces when the iron ore melting after the combustor burning drips for iron ore melting drips exhaust sulfur dioxide gas can be in the purification subassembly with the aqueous ammonia of interpolation large tracts of land contact and adsorb or react, thereby makes sulfur dioxide gas can be disposed by the absorption as far as, avoids direct outside emission and causes environmental pollution's phenomenon.
Description
Technical Field
The utility model relates to a melting technical field that drips especially relates to a melting experimental apparatus that drips.
Background
The iron ore high-temperature load reduction reflow dripping experiment is used for testing the performance of iron ore reflow and dripping, and is used for detecting important parameters such as the expansion amount, the softening interval, the pressure difference of reducing gas, the melting interval, the dripping temperature and the like of ores in a simulated blast furnace smelting state. The method is an important detection means for evaluating the smelting performance of the sintered ore, pellet ore and lump ore blast furnace, so that a melting and dropping experimental device is required to be used for carrying out experimental operation in order to obtain the dropping parameter data of the iron ore.
Chinese patent publication No.: CN202614702U discloses an experimental device for melting and dripping of iron ore, which comprises a graphite crucible, a graphite pressurizing rod device, a graphite heating device, a burner, a sampling box, a vertical column and a pressurizing rod lifting device; the graphite crucible is placed in a hearth of the graphite heating device, the graphite pressurizing rod device is arranged at the upper part of the graphite crucible, and the iron ore in the crucible is pressurized through the lifting of the pressurizing rod; the pressure rod lifting device is arranged on the upright column and is used for driving the graphite pressure rod device to move up and down in the graphite crucible body; the combustor is positioned above the hearth of the graphite heating device and is used for combusting waste gas volatilized from the graphite heating device; the sampling box is positioned below a hearth of the graphite heating device and is used for receiving the dropped molten iron ores; the upper end of the graphite pressurizing rod device is provided with a load sensor and a pressure gauge; the lower end of the graphite pressurizing rod device is provided with a temperature measuring device; and the graphite pressurizing rod device is also provided with a displacement meter for measuring the displacement of the graphite pressurizing rod.
And iron ore is when the melting experiment of drippage, because contain the sulphur impurity in the iron ore, can produce sulphur gas when it is heated after, and sulphur gas can become harmful sulfur dioxide gas after the combustor burning, and current melting experimental apparatus that drippage is usually collected sulfur dioxide gas after through unified reaction treatment for sulfur dioxide can stop longer time producing between the processing, takes place the phenomenon of sulfur dioxide gas leakage easily, has reduced experimental apparatus's result of use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adopt the purification structure of multistage formula U-shaped structure, realize the melting dripping experimental apparatus of the gaseous very fast high efficiency purification treatment effect of sulfur dioxide.
In order to achieve the above object, the present invention provides the following technical solutions: a fusion dripping experiment device, comprising a mounting frame:
the inner wall of the mounting rack is provided with a melting heating assembly, and the bottom of the melting heating assembly is provided with a dripping box;
the top of the mounting frame is provided with a hydraulic cylinder, and the bottom of the hydraulic cylinder is provided with a pressurizing piece extending into the melting and heating assembly;
the melting heating assembly is provided with a burner, an air inlet of the burner is provided with an air guide pipe extending to the pressurizing piece, and an air outlet of the burner is connected with the purification assembly and flows along a multi-section U-shaped path in the inner cavity of the purification assembly.
As a further description of the above technical solution:
the melting heating assembly comprises a furnace body arranged on the inner wall of the mounting frame, a melting chamber is arranged on the inner wall of the furnace body, a graphite heater is arranged on the inner wall of the melting chamber, and a filter plate is arranged on the inner wall of the bottom opening end of the melting chamber.
As a further description of the above technical solution:
the outer wall of the melting chamber is provided with a corundum tube, and the outer wall of the corundum tube is provided with insulating bricks.
As a further description of the above technical solution:
the pressurizing part comprises a transmission rod arranged at the output end of the hydraulic cylinder, and a pressurizing part extending into the melting chamber is arranged at the bottom of the transmission rod.
As a further description of the above technical solution:
and the pressurizing part is respectively provided with a temperature sensor and an air pressure sensor.
As a further description of the above technical solution:
the purification component comprises a purification bin arranged on the mounting frame, a purification pipe which is connected with a burner gas outlet and has a multi-section U-shaped structure is arranged in the purification bin, a through hole is formed in the purification pipe, and a discharge pipe is arranged on the purification bin.
As a further description of the above technical solution:
the top of purifying storehouse is provided with the feed liquor pipe, the bottom of purifying storehouse is provided with the drain pipe.
As a further description of the above technical solution:
the dripping box is provided with a vent pipe, and the vent pipe is provided with an electromagnetic valve.
In the technical scheme, the utility model provides a pair of melting dripping experimental apparatus has following beneficial effect:
this experimental apparatus can play leading-in purification treatment to the waste gas that produces when the iron ore melting after the combustor burning drips through the purification subassembly that sets up for iron ore melting drips exhaust sulfur dioxide gas can be in purification subassembly with the aqueous ammonia of interpolation large tracts of land contact and absorption or reaction, thereby makes sulfur dioxide gas can be fallen by adsorption treatment as far as, avoids direct outside emission and causes environmental pollution's phenomenon.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a melting and dripping experiment apparatus provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of a pressing member according to an embodiment of the present invention;
fig. 3 is a schematic view of an internal structure of a melting and heating assembly according to an embodiment of the present invention;
fig. 4 is an internal structure schematic diagram of the purification assembly provided by the embodiment of the present invention.
Description of the reference numerals:
1. a hydraulic cylinder; 2. a pressing member; 21. a transmission rod; 22. a pressurization part; 23. a temperature sensor; 24. an air pressure sensor; 3. a mounting frame; 4. melting the heating assembly; 41. a furnace body; 42. insulating bricks; 43. a corundum tube; 44. a graphite heater; 45. a melting chamber; 46. filtering a plate; 5. a burner; 6. an air duct; 7. a purification component; 71. a purifying bin; 72. a purge tube; 73. a through hole; 74. a liquid inlet pipe; 75. a discharge pipe; 76. a liquid outlet pipe; 8. a dripping tank; 9. a breather pipe; 10. an electromagnetic valve.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.
As shown in fig. 1 to 4, a melt dripping experimental apparatus includes a mounting frame 3:
the inner wall of the mounting frame 3 is provided with a melting heating assembly 4, the bottom of the melting heating assembly 4 is provided with a dripping box 8, iron ore raw materials are added into the melting heating assembly 4, the iron ore raw materials are melted at high temperature by utilizing high temperature generated by the melting heating assembly 4, so that fluid materials of iron ore are obtained, the fluid materials flow downwards under the action of gravity and drip in the dripping box 8 for collection, and then subsequent detection experiment treatment is carried out on the dripped iron ore fluid materials;
the top of the mounting frame 3 is provided with a hydraulic cylinder 1, the bottom of the hydraulic cylinder 1 is provided with a pressurizing part 2 extending into the melting heating assembly 4, and the amplitude of the pressurizing part 2 entering the melting heating assembly 4 can be adjusted under the driving action of the hydraulic cylinder 1, so that the size of a cavity in the melting heating assembly 4 is changed, and the pressurizing effect on a melting environment can be realized;
be provided with combustor 5 on melting heating element 4, and the air inlet of combustor 5 is provided with the flexible air duct 6 that extends to on the pressure part 2, combustor 5's gas outlet and purification subassembly 7 are connected, and be the flow of multistage U-shaped route along the inner chamber that purifies subassembly 7, purify the aqueous ammonia contact of adding in the subassembly 7 and react, can produce sour gas after the iron ore melting, and sour gas passes through air duct 6 and enters into combustor 5 after the burning, form sulfur dioxide gas, sulfur dioxide gas can enter into in purifying subassembly 7 this moment, and flow with the route of multistage U-shaped in purifying subassembly 7, increase sulfur dioxide and then with the area of contact of the aqueous ammonia that adds in purifying subassembly 7, can be with sulfur dioxide gas absorption processing, thereby make sulfur dioxide gas can be adsorbed by as far as possible and handle, avoid direct outside emission and cause environmental pollution's phenomenon.
The melting heating assembly 4 comprises a furnace body 41 arranged on the inner wall of the mounting frame 3, a melting chamber 45 is arranged on the inner wall of the furnace body 41, a graphite heater 44 is arranged on the inner wall of the melting chamber 45, a filter plate 46 is arranged on the inner wall of the bottom opening end of the melting chamber 45, a corundum tube 43 is arranged on the outer wall of the melting chamber 45, an insulating brick 42 is arranged on the outer wall of the corundum tube 43, iron ore raw materials are added into the melting chamber 45 through the top of the melting chamber 45, the pressurizing piece 2 is moved into the melting chamber 45 to seal the opening of the melting chamber 45, the graphite heater 44 works to generate high-temperature heat and melt the iron ore raw materials to obtain fluid iron ore materials, at the moment, the molten iron ore materials can drop downwards after being filtered by the filter plate 46, and the corundum tube 43 and the insulating brick 42 are matched to play a role in efficient heat preservation on the furnace body 41, so that the dissipation rate of the heat in the furnace body 41 is reduced.
The pressurizing part 2 comprises a transmission rod 21 arranged at the output end of the hydraulic cylinder 1, a pressurizing part 22 extending into the melting chamber 45 is arranged at the bottom of the transmission rod 21, the transmission rod 21 is pushed to move downwards under the driving of the hydraulic cylinder 1, so that the pressurizing part 22 moves downwards on the inner wall of the melting chamber 45, the relative space in the melting chamber 45 can be reduced, the air pressure in the melting chamber 45 is increased, the iron ore raw material is pressurized and melted, a temperature sensor 23 and an air pressure sensor 24 are respectively arranged on the pressurizing part 22, the temperature sensor 23 can detect the melting temperature in the melting chamber 45 in real time, and the air pressure sensor 24 can detect the melting air pressure in the melting chamber 45 in real time, so that the melting heating component 4 is ensured to be in a proper and efficient melting working state.
Purification component 7 is including setting up purification storehouse 71 on mounting bracket 3, it connects and multistage U-shaped structure's purification tube 72 to be provided with combustor 5 gas outlet in the purification storehouse 71, and be equipped with through-hole 73 on the purification tube 72, the quantity of through-hole 73 is a plurality of, be provided with delivery pipe 75 on the purification storehouse 71, the top of purification storehouse 71 is provided with feed liquor pipe 74, the bottom of purification storehouse 71 is provided with drain pipe 76, add the aqueous ammonia into purification storehouse 71 through feed liquor pipe 74, make the aqueous ammonia submerge purification tube 72 completely, the sulfur dioxide gas that forms then through combustor 5 at this moment can get into purification tube 72, and discharge from through-hole 73 and enter into in the aqueous ammonia, make sulfur dioxide gas react after contacting with the aqueous ammonia, increase area of contact between them, make sulfur dioxide form the sulfur salt after being reacted, material such as water and clean gas, and clean it outwards discharges through delivery pipe 75, on the other hand pipe 76 also can play the processing of empting to the aqueous ammonia mixture in the purification storehouse 71, conveniently change the aqueous ammonia mixture in the purification storehouse 71, it can be handled by the efficient reaction to improve sulfur dioxide gas.
The dripping tank 8 is provided with a vent pipe 9, the vent pipe 9 is provided with an electromagnetic valve 10, an air inlet of the vent pipe 9 is connected with an air supply pipeline of carbon monoxide, and on the basis of opening the electromagnetic valve 10, carbon monoxide gas is guided into the dripping tank 8 and enters the melting chamber 45, so that the carbon monoxide gas and iron ore raw materials are subjected to a reduction reaction at a high temperature, and the melting effect of the iron ore is improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.
Claims (8)
1. The utility model provides a melting dripping experimental apparatus, includes mounting bracket (3), its characterized in that:
the inner wall of the mounting rack (3) is provided with a melting heating assembly (4), and the bottom of the melting heating assembly (4) is provided with a dripping box (8);
the top of the mounting frame (3) is provided with a hydraulic cylinder (1), and the bottom of the hydraulic cylinder (1) is provided with a pressurizing piece (2) extending into the melting and heating assembly (4);
the melting heating assembly (4) is provided with a burner (5), an air inlet of the burner (5) is provided with an air guide pipe (6) extending to the pressurizing piece (2), an air outlet of the burner (5) is connected with the purification assembly (7), and the air guide pipe flows along the inner cavity of the purification assembly (7) in a multi-section U-shaped path.
2. A molten drop experimental apparatus according to claim 1, wherein: the melting heating assembly (4) comprises a furnace body (41) arranged on the inner wall of the mounting frame (3), a melting chamber (45) is arranged on the inner wall of the furnace body (41), a graphite heater (44) is arranged on the inner wall of the melting chamber (45), and a filter plate (46) is arranged on the inner wall of the bottom opening end of the melting chamber (45).
3. A molten drop experimental apparatus according to claim 2, wherein: the outer wall of the melting chamber (45) is provided with a corundum tube (43), and the outer wall of the corundum tube (43) is provided with a heat-insulating brick (42).
4. A molten drop experimental apparatus according to claim 1, wherein: the pressurizing part (2) comprises a transmission rod (21) arranged at the output end of the hydraulic cylinder (1), and a pressurizing part (22) extending into the melting chamber (45) is arranged at the bottom of the transmission rod (21).
5. A molten drop experimental apparatus according to claim 4, wherein: the pressurizing part (22) is respectively provided with a temperature sensor (23) and an air pressure sensor (24).
6. A molten drop experimental apparatus according to claim 1, wherein: purify subassembly (7) including setting up purifying storehouse (71) on mounting bracket (3), be provided with in purifying storehouse (71) that combustor (5) gas outlet is connected and multistage U-shaped structure's purge tube (72), and be equipped with through-hole (73) on purge tube (72), be provided with delivery pipe (75) on purifying storehouse (71).
7. A molten drop experimental apparatus according to claim 6, wherein: the top of purification storehouse (71) is provided with feed liquor pipe (74), the bottom of purification storehouse (71) is provided with drain pipe (76).
8. A molten drop experimental apparatus according to claim 1, wherein: the dripping box (8) is provided with a vent pipe (9), and the vent pipe (9) is provided with an electromagnetic valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222256628.0U CN218272061U (en) | 2022-08-26 | 2022-08-26 | Melting dripping experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222256628.0U CN218272061U (en) | 2022-08-26 | 2022-08-26 | Melting dripping experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218272061U true CN218272061U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222256628.0U Active CN218272061U (en) | 2022-08-26 | 2022-08-26 | Melting dripping experimental device |
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| Country | Link |
|---|---|
| CN (1) | CN218272061U (en) |
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2022
- 2022-08-26 CN CN202222256628.0U patent/CN218272061U/en active Active
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