CN219630879U - Ferronickel refining furnace - Google Patents
Ferronickel refining furnace Download PDFInfo
- Publication number
- CN219630879U CN219630879U CN202320778590.5U CN202320778590U CN219630879U CN 219630879 U CN219630879 U CN 219630879U CN 202320778590 U CN202320778590 U CN 202320778590U CN 219630879 U CN219630879 U CN 219630879U
- Authority
- CN
- China
- Prior art keywords
- waste gas
- exhaust
- ferronickel
- reaction tank
- exhaust gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910000863 Ferronickel Inorganic materials 0.000 title claims abstract description 32
- 238000007670 refining Methods 0.000 title claims abstract description 23
- 239000002912 waste gas Substances 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 20
- 238000004887 air purification Methods 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- 239000012670 alkaline solution Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000002378 acidificating effect Effects 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001710 laterite Inorganic materials 0.000 description 1
- 239000011504 laterite Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Abstract
The utility model discloses a ferronickel refining furnace, which comprises a combustion furnace body, wherein the side surface of the combustion furnace body is hermetically connected with an exhaust gas purifying box through an exhaust gas pipe, a circulating filter bin is arranged in the exhaust gas purifying box, an active carbon filter screen layer and a HEPA filter screen layer are respectively arranged in the circulating filter bin, the side surface of the circulating filter bin is hermetically connected with an air purifying tank through a filter pipeline, the bottom end of the air purifying tank is hermetically connected with an exhaust gas reaction tank through a conveying pipeline, and the air outlet end of the exhaust gas reaction tank is connected with an exhaust chimney through a flange. When the ferronickel raw material in the combustion furnace is quenched, the utility model can rapidly remove and treat the particulate matters and acidic harmful substances in the waste gas, ensures that the discharge of the furnace body smoke meets the green environment-friendly requirement, and has the advantage of high filtration and purification efficiency.
Description
Technical Field
The utility model relates to a ferronickel refining furnace.
Background
Currently, more than 60% of the world's nickel products are from sulphide ores, while more than 60% of world's nickel resources are present in laterite ores. The ferronickel obtained by reducing and smelting laterite-nickel ore by a blast furnace or an electric furnace can be used as a substitute of electrolytic nickel for producing stainless steel after refining.
Chinese issued patent document with publication number CN208791677U discloses a ferronickel refining apparatus, which comprises: the ferronickel refining furnace is provided with an opening at one side of the top of the ferronickel refining furnace; the device also comprises a melt adding pipeline, wherein one end of the melt adding pipeline extends from an opening of the ferronickel refining furnace into the ferronickel refining furnace, and the other end of the melt adding pipeline is connected with an outlet of an electric furnace or a blast furnace for smelting crude ferronickel melt; also comprises a spray gun. The beneficial effects of the utility model are as follows: the multi-ring jet opening on the spray gun can realize that inert gas or a mixture of oxygen and a impurity removing agent is sprayed into the crude ferronickel melt in the ferronickel refining furnace, so that the purposes of effectively stirring the crude ferronickel melt and fully mixing the oxygen and the impurity removing agent with the crude ferronickel melt are realized; the sealing cylinder in the spray gun can slide up and down under the drive of the telescopic structure, and can blow generated slag during slag skimming, so that purified ferronickel melt is prevented from being scraped out along with the slag, and the recovery rate of refined ferronickel is improved.
In the prior art, when ferronickel is refined, waste gas in a refining furnace cannot be purified effectively in time, so that the problem of environmental pollution is caused, and therefore, a novel ferronickel refining furnace needs to be developed.
Disclosure of Invention
The utility model aims to provide a ferronickel refining furnace, which solves the problem that in the prior art, when ferronickel is refined, the waste gas in the refining furnace cannot be effectively purified in time, so that the environment is polluted.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ferronickel refining stove, includes the burning furnace body, the side surface of burning furnace body has waste gas purifying box through waste gas calandria sealing connection, and waste gas purifying box's inside is provided with the circulation filtration storehouse, and activated carbon filter screen layer and HEPA filter screen layer are installed respectively to the inside in circulation filtration storehouse, and the side surface in circulation filtration storehouse has air purification jar through filtration pipeline sealing connection, and air purification jar's bottom has waste gas reaction tank through pipeline sealing connection, and waste gas reaction tank's end of giving vent to anger has exhaust chimney through flange joint.
Preferably, the front end surface of the combustion furnace body is provided with a sealing furnace door, and the surface of the sealing furnace door is provided with a control panel.
Preferably, the side surface of the exhaust gas purifying box is provided with two exhaust gas inlets, and the exhaust gas inlets are correspondingly connected with the exhaust gas discharge pipes.
Preferably, an exhaust port is formed in the side surface of the exhaust gas purifying box, and the exhaust port is correspondingly connected with the filtering pipeline.
Preferably, the inside of pipeline is provided with first filtration membrane, and pipeline is connected with the air purification jar through the ring flange, and exhaust stack's inside is provided with the second filtration membrane.
Preferably, the waste gas reaction tank is internally provided with alkaline solution, the side surface of the waste gas reaction tank is provided with a waste liquid discharge pipe, and the waste liquid discharge pipe is internally provided with a switch valve.
Compared with the prior art, the utility model has the beneficial effects that:
when the ferronickel raw material in the combustion furnace is quenched, the utility model can rapidly remove and treat the particulate matters and acidic harmful substances in the waste gas, ensures that the discharge of the furnace body smoke meets the green environment-friendly requirement, and has the advantage of high filtration and purification efficiency.
Drawings
FIG. 1 is an overall front view of the present utility model;
FIG. 2 is a schematic view showing an internal structure of the exhaust gas purifying tank of the present utility model;
fig. 3 is a schematic view of a partial installation structure of the present utility model.
In the figure: 1. a combustion furnace body; 2. sealing the furnace door; 3. a control panel; 4. an exhaust gas pipe; 5. an exhaust gas purifying tank; 6. a filter tube; 7. an air purifying tank; 8. an exhaust stack; 9. a flange plate; 10. a delivery conduit; 11. an exhaust gas reaction tank; 12. a waste liquid discharge pipe; 13. an exhaust gas inlet; 14. a circulating filter bin; 15. an activated carbon filter screen layer; 16. HEPA filter screen layer; 17. an exhaust port; 18. a first filtration membrane; 19. a second filtration membrane.
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.
Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a ferronickel refining furnace, including burning furnace body 1, the side surface of burning furnace body 1 has waste gas purifying box 5 through waste gas calandria 4 sealing connection, the inside of waste gas purifying box 5 is provided with cyclic filtration storehouse 14, activated carbon filter screen layer 15 and HEPA filter screen layer 16 are installed respectively to cyclic filtration storehouse 14's inside, cyclic filtration storehouse 14's side surface has air purification jar 7 through filtering tube 6 sealing connection, air purification jar 7's bottom has waste gas reaction tank 11 through pipeline 10 sealing connection, waste gas reaction tank 11's end of giving vent to anger has exhaust stack 8 through flange joint.
Further, a sealing furnace door 2 is arranged on the front end surface of the combustion furnace body 1, and a control panel 3 is arranged on the surface of the sealing furnace door 2.
Further, the side surface of the exhaust gas purifying tank 5 is provided with two exhaust gas inlets 13, and the exhaust gas inlets 13 are correspondingly connected with the exhaust gas discharge pipes 4.
Further, the side surface of the exhaust gas purifying tank 5 is provided with an exhaust port 17, and the exhaust port 17 is correspondingly connected to the filter pipe 6.
Further, a first filter membrane 18 is provided inside the delivery pipe 10, the delivery pipe 10 is connected to the air purification tank 7 via the flange 9, and a second filter membrane 19 is provided inside the exhaust stack 8.
Further, an alkaline solution is provided in the waste gas reaction tank 11, a waste liquid discharge pipe 12 is provided on the side surface of the waste gas reaction tank 11, and an on-off valve is provided in the waste liquid discharge pipe 12.
Working principle: during the use, the side surface of burning furnace body 1 has waste gas purifying box 5 through waste gas calandria 4 sealing connection, waste gas purifying box 5's inside is provided with circulation filtration storehouse 14, activated carbon filter screen layer 15 and HEPA filter screen layer 16 are installed respectively to circulation filtration storehouse 14's inside, can produce a large amount of waste gas material when carrying out the burning operation to the ferronickel raw materials to burning furnace body 1, through in blowing into waste gas purifying box 5 with waste gas through waste gas calandria 4, through activated carbon filter screen layer 15 and HEPA filter screen layer 16 in circulation filtration storehouse 14, can adsorb the impurity particulate matter in the waste gas and clear away, simultaneously circulation filtration storehouse 14's side surface has air purification jar 7 through filtration pipeline 6 sealing connection, air purification jar 7's bottom is provided with waste gas reaction tank 11 through pipeline 10 sealing connection, waste gas reaction tank 11's inside is provided with alkaline solution, can absorb neutralization to the acid material in the waste gas, the gas after the final purification is discharged from exhaust chimney 8, the emission of furnace body flue gas accords with green environmental protection requirement, possess the advantage that filtration purification efficiency is high.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a ferronickel refining stove, includes combustion furnace body (1), its characterized in that, the side surface of combustion furnace body (1) is through exhaust pipe (4) sealing connection have waste gas purifying box (5), the inside of waste gas purifying box (5) is provided with circulation filtration storehouse (14), activated carbon filter screen layer (15) and HEPA filter screen layer (16) are installed respectively to the inside of circulation filtration storehouse (14), the side surface of circulation filtration storehouse (14) is through filtering tube (6) sealing connection have air purification jar (7), the bottom of air purification jar (7) is through pipeline (10) sealing connection have waste gas reaction tank (11), the end of giving vent to anger of waste gas reaction tank (11) is through flange joint has exhaust chimney (8).
2. A ferronickel refining furnace as claimed in claim 1, wherein: the front end surface of the combustion furnace body (1) is provided with a sealing furnace door (2), and the surface of the sealing furnace door (2) is provided with a control panel (3).
3. A ferronickel refining furnace as claimed in claim 1, wherein: two waste gas inlets (13) are formed in the side surface of the waste gas purifying box (5), and the waste gas inlets (13) are correspondingly connected with the waste gas exhaust pipes (4).
4. A ferronickel refining furnace as claimed in claim 1, wherein: an exhaust port (17) is formed in the side surface of the exhaust gas purifying box (5), and the exhaust port (17) is correspondingly connected with the filtering pipeline (6).
5. A ferronickel refining furnace as claimed in claim 1, wherein: the inside of pipeline (10) is provided with first filtration membrane (18), and pipeline (10) are connected with air purification jar (7) through ring flange (9), and the inside of exhaust stack (8) is provided with second filtration membrane (19).
6. A ferronickel refining furnace as claimed in claim 1, wherein: the waste gas reaction tank is characterized in that alkaline solution is arranged in the waste gas reaction tank (11), a waste liquid discharge pipe (12) is arranged on the side surface of the waste gas reaction tank (11), and an on-off valve is arranged in the waste liquid discharge pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320778590.5U CN219630879U (en) | 2023-04-11 | 2023-04-11 | Ferronickel refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320778590.5U CN219630879U (en) | 2023-04-11 | 2023-04-11 | Ferronickel refining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219630879U true CN219630879U (en) | 2023-09-05 |
Family
ID=87806695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320778590.5U Active CN219630879U (en) | 2023-04-11 | 2023-04-11 | Ferronickel refining furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219630879U (en) |
-
2023
- 2023-04-11 CN CN202320778590.5U patent/CN219630879U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |