CN220149501U - Liquid low-melting-point metal circulation cooling immersed type feeding device - Google Patents
Liquid low-melting-point metal circulation cooling immersed type feeding device Download PDFInfo
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- CN220149501U CN220149501U CN202221977471.4U CN202221977471U CN220149501U CN 220149501 U CN220149501 U CN 220149501U CN 202221977471 U CN202221977471 U CN 202221977471U CN 220149501 U CN220149501 U CN 220149501U
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- Prior art keywords
- cooling
- bismuth liquid
- lead bismuth
- lead
- annular skirt
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- 239000007788 liquid Substances 0.000 title claims abstract description 92
- 238000001816 cooling Methods 0.000 title claims abstract description 71
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 title claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000001301 oxygen Substances 0.000 claims abstract description 81
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 81
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 73
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 62
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052742 iron Inorganic materials 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims description 27
- 239000007924 injection Substances 0.000 claims description 27
- 238000005192 partition Methods 0.000 claims description 9
- 239000011819 refractory material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 2
- 230000003134 recirculating effect Effects 0.000 claims 1
- 239000000498 cooling water Substances 0.000 abstract description 9
- 239000002826 coolant Substances 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 abstract description 4
- 239000002910 solid waste Substances 0.000 description 16
- 239000007789 gas Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000002309 gasification Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 229910001152 Bi alloy Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- OBOXTJCIIVUZEN-UHFFFAOYSA-N [C].[O] Chemical compound [C].[O] OBOXTJCIIVUZEN-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model provides a liquid low-melting-point metal circulating cooling immersed type feeding device, which comprises a molten pool type gasifier, wherein molten iron is filled in the molten pool type gasifier, an annular skirt cover is arranged on the molten pool type gasifier, the lower end of the annular skirt cover stretches into the molten iron, a main jet oxygen lance is arranged at the upper end of the annular skirt cover, a cooling cavity is arranged in an annular area between the radial inner side surface and the radial outer side surface of the annular skirt cover, a lead bismuth liquid inlet pipe and a lead bismuth liquid outlet pipe are arranged at the upper end of the cooling cavity, one ends of the lead bismuth liquid inlet pipe and the lead bismuth liquid outlet pipe are communicated with the cooling cavity, and a cooling system is arranged between the other ends of the lead bismuth liquid inlet pipe and the lead bismuth liquid outlet pipe; and the lead bismuth liquid in the cooling cavity flows out of the lead bismuth liquid outlet pipe and flows back into the cooling cavity through the lead bismuth liquid inlet pipe after being cooled by the cooling system. In the utility model, molten lead bismuth liquid is used as a circulating coolant instead of traditional cooling water, so that explosion accidents caused by leakage of the cooling water are avoided, and the use safety is high.
Description
Technical Field
The utility model relates to the field of energy, in particular to a liquid low-melting-point metal circulating cooling submerged feeding device.
Background
In terms of the energy utilization of organic garbage solid waste and biomass waste, compared with the traditional process, the molten iron bath gasification is a more advanced process for converting harmful waste into low-carbon energy. The molten iron bath gasification is to blow organic solid waste particles into molten iron liquid at a high speed, blow gasification agent such as pure oxygen to carry out thorough treatment and conversion, and convert hydrocarbon into clean synthesis gas (carbon monoxide and hydrogen), which can be used as fuel gas or chemical synthesis, such as methanation to prepare natural gas, fischer-Tropsch synthesis to prepare gasoline, diesel oil and the like, while most of inorganic matters remain in slag floating on the surface to realize reduction, harmless and recycling treatment.
The utilization of a molten pool type gasifier to treat organic solid waste to generate synthesis gas or further produce hydrogen is an emerging energy technology at present. The method is characterized in that molten iron is pre-contained in a gasification furnace, organic solid waste is sent into the molten iron in various modes, oxygen is introduced, the cracking-gasification process of the organic solid waste is always completed in a liquid environment immersed above 1500 ℃, the cracking-gasification process is quite rapid, dioxin is not generated, heavy metals and oxides thereof (reduced) enter the molten iron or sink to the lower layer of the molten iron for recycling, and the whole treatment process of the organic solid waste only needs to introduce oxygen (the incomplete combustion of carbon and oxygen is an exothermic reaction) without additional reheating, so that hydrogen-rich energy sources are prepared by low-cost and low-carbon emission.
A feeding oxygen gun is arranged on the traditional molten pool type gasifier, and organic solid waste raw materials and oxygen are introduced into the molten pool type gasifier through the feeding oxygen gun. However, the muzzle temperature of the feeding oxygen lance is high, usually about 1500-1600 ℃, so that the muzzle of the feeding oxygen lance needs to be cooled in order to ensure the normal operation of the feeding oxygen lance. The traditional cooling mode is to carry out circulation cooling through cooling water, once the cooling water leaks, cooling water contacts with high-temperature molten iron, can produce a large amount of vapor in the twinkling of an eye to the molten iron meets water and takes place chemical reaction and produce hydrogen, and violent volume expansion in the twinkling of an eye leads to the emergence explosion accident, therefore traditional cooling mode has great potential safety hazard.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a liquid low-melting-point metal circulating cooling submerged feeding device.
The utility model aims at realizing the following technical scheme: the liquid low-melting-point metal circulating cooling immersed type feeding device comprises a molten pool type gasifier, molten iron is filled in the molten pool type gasifier, an annular skirt cover is arranged on the molten pool type gasifier, the lower end of the annular skirt cover stretches into the molten iron, a main jet oxygen gun is arranged at the upper end of the annular skirt cover, a cooling cavity is arranged in an annular area between the radial inner side surface and the radial outer side surface of the annular skirt cover, a lead bismuth liquid inlet pipe and a lead bismuth liquid outlet pipe are arranged at the upper end of the cooling cavity, one ends of the lead bismuth liquid inlet pipe and the lead bismuth liquid outlet pipe are communicated with the cooling cavity, and a cooling system is arranged between the other ends of the lead bismuth liquid inlet pipe and the lead bismuth liquid outlet pipe; and the lead bismuth liquid in the cooling cavity flows out of the lead bismuth liquid outlet pipe and flows back into the cooling cavity through the lead bismuth liquid inlet pipe after being cooled by the cooling system.
Preferably, the cooling system comprises a cooler and a lead bismuth liquid circulating pump, wherein a lead bismuth liquid outlet pipe is connected with the inlet end of the cooler, the lead bismuth liquid inlet pipe is connected with the output end of the lead bismuth liquid circulating pump, and a constant-temperature storage tank is arranged between the outlet end of the cooler and the input end of the lead bismuth liquid circulating pump.
Preferably, a partition plate is arranged in the cooling cavity, the partition plate divides the cooling cavity into two cavities, the lower end of the partition plate is higher than the bottom surface of the cooling cavity, and the lower ends of the two cavities are communicated; the lead bismuth liquid inlet pipe and the lead bismuth liquid outlet pipe are respectively arranged above the two cavities.
Preferably, the annular skirt cover is provided with four cooling cavities, the four cooling cavities are arranged on the annular skirt cover in a circular array mode, and the cross sections of the cooling cavities are fan-shaped.
Preferably, the annular skirt is made of steel.
Preferably, the outer wall of the annular skirt cover is provided with an annular skirt cover outer wall refractory material, and the inner wall of the cooling cavity is provided with an annular skirt cover inner wall refractory material.
Preferably, the main jet oxygen lance comprises a feeding pipe, a main oxygen injection pipeline positioned at the outer side of the feeding pipe, and an accompanying oxygen pipeline positioned at the outer side of the main oxygen injection pipeline, wherein a main oxygen injection channel is formed between the feeding pipe and the main oxygen injection pipeline, an accompanying oxygen channel is formed between the accompanying oxygen pipeline and the main oxygen injection pipeline, the main oxygen injection pipeline is connected with a main oxygen injection inlet pipe, and the accompanying oxygen pipeline is connected with an accompanying oxygen inlet pipe; the lower end part of the main oxygen injection pipeline is sequentially provided with a necking section, a throat, an expansion section and a parallel section from top to bottom, and the lower end of the feeding pipe is positioned at the position where the necking section is positioned.
The beneficial effects of the utility model are as follows: in the utility model, molten lead bismuth liquid is used as a circulating coolant instead of traditional cooling water, so that explosion accidents caused by leakage of the cooling water are avoided, and the use safety is high.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a structural transverse cross-sectional view of the annular skirt.
FIG. 3 is a schematic structural view of a main jet oxygen lance.
In the figure: 1. the device comprises an organic solid waste particle inlet, 2, a main jet oxygen gun, 3, an accompanying oxygen jet inlet, 4, a constant-temperature storage tank, 5, a lead-bismuth liquid circulating pump, 6, a cooler, 7, a lead-bismuth liquid inlet pipe, 8, a lead-bismuth liquid outlet pipe, 9, a synthesis gas outlet, 10, a molten pool gasifier, 11, slag liquid, 12, molten iron liquid, 13, an annular skirt cover outer wall refractory, 14, molten lead-bismuth alloy liquid, 15, a baffle plate, 19, oxygen-carbon dioxide-solid waste particle high-speed jet, 20, a molten pool type gasification furnace cover, 21, an annular skirt cover, 27, a main oxygen jet inlet, 28, an annular skirt cover inner wall refractory, 29, a cooling cavity, 30, an accompanying oxygen pipeline, 31, a main oxygen pipeline, 33, a charging pipe, 34, an accompanying oxygen charging pipe, 35 and a main oxygen charging pipe.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
As shown in figures 1-3, the liquid low-melting-point metal circulating cooling submerged feeding device comprises a molten pool type gasifier 10, molten iron 12 is filled in the molten pool type gasifier 10, and a synthetic gas outlet 9 is arranged on the molten pool type gasifier 10. The molten pool gasifier 10 is provided with an annular skirt cover 21, the lower end of the annular skirt cover 21 stretches into molten iron 12, and the upper end of the annular skirt cover 21 is provided with a main jet oxygen lance 2. The annular region between the radially inner and outer surfaces on the annular skirt 21 is provided with a cooling cavity. In the utility model, four cooling cavities 29 are arranged on the annular skirt cover 21, the four cooling cavities 29 are arranged on the annular skirt cover 21 in a circular array mode, and the cross section of the cooling cavities 29 is in a fan shape. Wherein, annular skirt 21 is made of steel, is equipped with annular skirt outer wall resistant material 13 on the outer wall of annular skirt 21, is equipped with annular skirt inner wall resistant material 28 on the inner wall of cooling chamber 29. The outer wall refractory 13 of the annular skirt and the inner wall refractory 28 of the annular skirt are made of refractory materials.
The upper end of the cooling cavity 29 is provided with a lead bismuth liquid inlet pipe 7 and a lead bismuth liquid outlet pipe 8, one ends of the lead bismuth liquid inlet pipe 7 and the lead bismuth liquid outlet pipe 8 are communicated with the cooling cavity 29, and a cooling system is arranged between the other ends of the lead bismuth liquid inlet pipe 7 and the lead bismuth liquid outlet pipe 8. And the lead bismuth liquid in the cooling cavity flows out of the lead bismuth liquid outlet pipe and flows back into the cooling cavity through the lead bismuth liquid inlet pipe after being cooled by the cooling system.
Specifically, the cooling system comprises a cooler 6 and a lead bismuth liquid circulating pump 5, a lead bismuth liquid outlet pipe 8 is connected with the inlet end of the cooler 6, a lead bismuth liquid inlet pipe 7 is connected with the output end of the lead bismuth liquid circulating pump 5, and a constant-temperature storage tank 4 is arranged between the outlet end of the cooler 6 and the input end of the lead bismuth liquid circulating pump 5.
Further, a partition plate 15 is arranged in the cooling cavity 29, the partition plate 15 divides the cooling cavity 29 into two cavities, the lower end of the partition plate 15 is higher than the bottom surface of the cooling cavity 29, and the lower ends of the two cavities are communicated; the lead bismuth liquid inlet pipe 7 and the lead bismuth liquid outlet pipe 8 are respectively arranged above the two cavities.
In the utility model, the traditional single oxygen lance feeding is changed into the combination of the main jet oxygen lance 2 and the annular skirt cover 21, the lower end of the annular skirt cover 21 is inserted into the molten iron 12, the main jet oxygen lance 2 is arranged at the upper part of the annular skirt cover 21 and is completely positioned outside the molten bath gasifier, and is far away from the molten iron, and the whole production process only needs to effectively cool the annular skirt cover 21. When the annular skirt cover 21 is cooled, lead bismuth liquid is taken as a circulating coolant, enters one of the cooling cavities 29 through the lead bismuth liquid inlet pipe 7, bypasses the partition plate 15 from the lower end of the cavity and enters the other cavity, and finally flows out of the lead bismuth liquid outlet pipe 8; during this process, heat exchange occurs between the lead-bismuth liquid and the annular skirt, and the lead-bismuth liquid absorbs part of the heat on the annular skirt 21, so that the temperature rises; the lead bismuth liquid flowing out of the lead bismuth liquid outlet pipe 8 sequentially passes through the cooler 6, the constant-temperature storage tank 4 and the lead bismuth liquid circulating pump 5 and then flows back to the cooling cavity again, and the lead bismuth liquid is circulated in such a way, so that the annular skirt cover is continuously cooled. Wherein the lead-bismuth alloy is a low-melting-point alloy, the lowest melting point is about 130 ℃, the boiling point is higher, and the temperature of lead-bismuth liquid in the constant-temperature storage tank 4 is maintained at about 200 ℃. In the utility model, molten lead bismuth liquid is used as a circulating coolant instead of traditional cooling water, so that explosion accidents caused by leakage of the cooling water are avoided, and the use safety is high.
The main jet oxygen lance 2 comprises a charging pipe 33, a main oxygen injection pipeline 31 positioned outside the charging pipe 33, and an accompanying oxygen pipeline 30 positioned outside the main oxygen injection pipeline 31, wherein a main oxygen injection channel is formed between the charging pipe 33 and the main oxygen injection pipeline 31, an accompanying oxygen channel is formed between the main oxygen injection pipeline 31 and the accompanying oxygen pipeline 30, a main oxygen injection inlet pipe 35 is connected to the main oxygen injection pipeline 31, and an accompanying oxygen inlet pipe 34 is connected to the accompanying oxygen pipeline 30. Wherein the main oxygen injection pipe 35 passes through the accompanying oxygen pipe 30, and the sealing treatment is performed at the position where the main oxygen injection pipe 35 passes through the accompanying oxygen pipe. The lower end part of the main oxygen injection pipeline is sequentially provided with a necking section, a throat, an expansion section and a parallel section from top to bottom, and the lower end of the feeding pipe is positioned at the position where the necking section is positioned. The upper end of the feeding pipe 33 is provided with a carbon dioxide and organic solid waste particle inlet 1, one end of the accompanying oxygen inlet pipe 34 is provided with an accompanying oxygen jet inlet 3, and one end of the main oxygen inlet pipe 35 is provided with a main oxygen jet inlet 35. During feeding, mixed gas flow of carbon dioxide and organic solid waste particles is fed from a carbon dioxide and organic solid waste particle inlet 1 on a feeding pipe 33, injection flow oxygen and accompanying jet oxygen are respectively fed into a main jet oxygen jet inlet 35 and an accompanying oxygen jet inlet 3, the main jet oxygen forms supersonic oxygen jet after passing through a necking section-a throat-expanding section when passing through a necking section, and is converged with the mixed gas flow of the carbon dioxide and the organic solid waste particles to form oxygen-CO 2-solid waste particle high-speed jet 20, the accompanying jet oxygen is positioned at the periphery of the oxygen-CO 2-solid waste particle high-speed jet 20, the attenuation of the central high-speed jet is greatly reduced under the accompanying of the peripheral accompanying jet oxygen, the high-speed jet impacts molten slag, the impact enters the molten iron, the organic solid waste is decomposed and gasified in the molten iron, the synthetic gas is generated, and the synthetic gas is discharged from a synthetic gas outlet 9.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.
Claims (7)
1. The liquid low-melting-point metal circulating cooling immersed type feeding device comprises a molten pool type gasifier, molten iron is filled in the molten pool type gasifier, and is characterized in that an annular skirt cover is arranged on the molten pool type gasifier, the lower end of the annular skirt cover stretches into molten iron, a main jet oxygen lance is arranged at the upper end of the annular skirt cover, a cooling cavity is arranged in an annular area between the radial inner side surface and the radial outer side surface of the annular skirt cover, a lead bismuth liquid inlet pipe and a lead bismuth liquid outlet pipe are arranged at the upper end of the cooling cavity, one ends of the lead bismuth liquid inlet pipe and the lead bismuth liquid outlet pipe are communicated with the cooling cavity, and a cooling system is arranged between the lead bismuth liquid inlet pipe and the other end of the lead bismuth liquid outlet pipe; and the lead bismuth liquid in the cooling cavity flows out of the lead bismuth liquid outlet pipe and flows back into the cooling cavity through the lead bismuth liquid inlet pipe after being cooled by the cooling system.
2. The liquid low-melting-point metal circulating cooling submerged type feeding device according to claim 1, wherein the cooling system comprises a cooler and a lead-bismuth liquid circulating pump, a lead-bismuth liquid outlet pipe is connected with an inlet end of the cooler, a lead-bismuth liquid inlet pipe is connected with an output end of the lead-bismuth liquid circulating pump, and a constant-temperature storage tank is arranged between the outlet end of the cooler and an input end of the lead-bismuth liquid circulating pump.
3. The liquid low-melting-point metal circulating cooling submerged feeding device according to claim 1, wherein a partition plate is arranged in the cooling cavity and divides the cooling cavity into two cavities, the lower end of the partition plate is higher than the bottom surface of the cooling cavity, and the lower ends of the two cavities are communicated; the lead bismuth liquid inlet pipe and the lead bismuth liquid outlet pipe are respectively arranged above the two cavities.
4. The liquid low-melting-point metal circulating cooling submerged feeding device according to claim 1, wherein the annular skirt cover is provided with four cooling cavities, the four cooling cavities are arranged on the annular skirt cover in a circular array mode, and the cross sections of the cooling cavities are in a sector shape.
5. A liquid low melting point metal recirculating cooled submerged entry fitting as claimed in claim 1 wherein said annular skirt is made of steel.
6. The liquid low-melting-point metal circulating cooling submerged feeding device according to claim 5, wherein the outer wall of the annular skirt is provided with an annular skirt outer wall refractory material, and the inner wall of the cooling cavity is provided with an annular skirt inner wall refractory material.
7. The liquid low-melting point metal circulating cooling submerged type feeding device according to any one of claims 1 to 6, wherein the main jet oxygen lance comprises a feeding pipe, a main oxygen injection pipeline positioned at the outer side of the feeding pipe and an accompanying oxygen pipeline positioned at the outer side of the main oxygen injection pipeline, a main oxygen injection channel is formed between the feeding pipe and the main oxygen injection pipeline, an accompanying oxygen channel is formed between the accompanying oxygen pipeline and the main oxygen injection pipeline, a main oxygen injection inlet pipe is connected to the main oxygen injection pipeline, and an accompanying oxygen inlet pipe is connected to the accompanying oxygen pipeline; the lower end part of the main oxygen injection pipeline is sequentially provided with a necking section, a throat, an expansion section and a parallel section from top to bottom, and the lower end of the feeding pipe is positioned at the position where the necking section is positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221977471.4U CN220149501U (en) | 2022-07-28 | 2022-07-28 | Liquid low-melting-point metal circulation cooling immersed type feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221977471.4U CN220149501U (en) | 2022-07-28 | 2022-07-28 | Liquid low-melting-point metal circulation cooling immersed type feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220149501U true CN220149501U (en) | 2023-12-08 |
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ID=89020461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221977471.4U Active CN220149501U (en) | 2022-07-28 | 2022-07-28 | Liquid low-melting-point metal circulation cooling immersed type feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149501U (en) |
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2022
- 2022-07-28 CN CN202221977471.4U patent/CN220149501U/en active Active
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