CN112344732A - Full oxygen combustion calcium aluminate furnace - Google Patents

Full oxygen combustion calcium aluminate furnace Download PDF

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Publication number
CN112344732A
CN112344732A CN202011336354.5A CN202011336354A CN112344732A CN 112344732 A CN112344732 A CN 112344732A CN 202011336354 A CN202011336354 A CN 202011336354A CN 112344732 A CN112344732 A CN 112344732A
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furnace
furnace body
calcium aluminate
oxy
melting tank
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CN202011336354.5A
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Chinese (zh)
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刘持强
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/0806—Charging or discharging devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/14—Arrangements of heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/14—Arrangements of heating devices
    • F27B14/143—Heating of the crucible by convection of combustion gases
    • 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
    • F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/0806—Charging or discharging devices
    • F27B2014/0818—Discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B2014/0843—Lining or casing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2003/00—Type of treatment of the charge
    • F27M2003/13—Smelting
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

The invention relates to an industrial steelmaking melting device, in particular to a total-oxygen combustion calcium aluminate furnace, which comprises a furnace body and a total-oxygen combustion device, wherein the total-oxygen combustion device is arranged on the furnace body, a melting tank is arranged in the furnace body, a feed inlet is arranged on the furnace body at one end of the melting tank, a material flowing port communicated with the outside is arranged at the other end of the melting tank, a smoke outlet can be arranged in parallel with the feed inlet or the material discharging port according to the actual situation of a construction site, a plurality of groups of spraying and burning ports are arranged on the furnace body at two sides of the melting tank, and the outlet end of the smoke outlet is connected with. According to the invention, the calcium aluminate raw material is melted in the melting tank and flows out through the discharge port, the thermal efficiency and the utilization rate are improved by using the oxy-fuel combustion device, a desulfurization and denitration device is not needed, the environment is protected, the energy is saved, the energy-saving effect is better and the waste gas discharge amount is less compared with the traditional air combustion-supporting calcium aluminate kiln, and the use and labor cost of refractory materials are reduced.

Description

Full oxygen combustion calcium aluminate furnace
Technical Field
The invention relates to a refining agent melting device for industrial steelmaking, in particular to a total oxygen combustion calcium aluminate furnace.
Background
Calcium aluminate is a series of inorganic compounds formed by melting calcium oxide and alumina at high temperature, and is used in steel smelting due to its excellent purification effect on molten steel.
During the production of calcium aluminate, a smelting furnace is needed to be adopted to melt materials, the existing smelting furnace mostly adopts air to support combustion, 78% of nitrogen in the air inevitably reacts with oxygen in a high-temperature furnace to generate nitrogen oxides, and the tail gas of the smelting furnace containing the nitrogen oxides is directly discharged to cause serious pollution to the atmosphere due to high cost and difficult bearing of enterprises in removing the tail gas of the smelting furnace containing the nitrogen oxides; in addition, the heat accumulating type melting furnace has low fuel heat efficiency utilization rate, and the heat accumulating chamber is built to waste a large amount of refractory materials and labor cost.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the full-oxygen combustion calcium aluminate furnace is provided, the calcium aluminate raw material is melted in the melting tank and flows out through the discharge port, the full-oxygen combustion device is utilized to improve the heat efficiency and the utilization rate, the desulfurization and the denitration device are not needed, the environment protection and the energy saving are realized, the better energy saving effect and the less exhaust emission are realized compared with the traditional air combustion-supporting calcium aluminate furnace, and the use and labor cost of refractory materials are reduced simultaneously.
The invention is realized by adopting the following technical scheme:
the total-oxygen combustion calcium aluminate furnace comprises a furnace body and a total-oxygen combustion device, wherein the total-oxygen combustion device is installed on the furnace body, a melting tank is arranged inside the furnace body, a feed inlet is formed in one end of the melting tank on the furnace body, a discharge outlet communicated with the outside is formed in the other end of the melting tank, a discharge outlet can be arranged in parallel with the feed inlet or the discharge outlet according to actual conditions of a construction site, multiple groups of spraying and burning ports are formed in the furnace bodies on two sides of the melting tank, and a smoke discharging, dust removing and cooling device is connected to the outlet end of.
And the furnace body at the discharge port is fixedly connected with a molten liquid clarifying brick inserted to the bottom of the melting tank, and the molten liquid clarifying brick is provided with one or more liquid flow holes for molten liquid to pass through.
The lower end of the discharge port is a movable wall capable of moving up and down.
The spraying and burning port is a channel made of corundum refractory material and is arranged in the furnace body, and one end of the channel is connected with the total oxygen combustion device.
The calcium aluminate raw materials suspend on the surface of the molten liquid in the melting tank, the high-temperature flame sprayed from the burner port melts the calcium aluminate raw materials, the formed flue gas enters into the smoke exhaust and dust removal device through the smoke exhaust port, the cooling device removes dust and cools down, the furnace body at the discharge port is fixedly connected with the molten liquid clarifying brick inserted into the bottom of the melting tank, one or more liquid flow holes are arranged on the molten liquid clarifying brick, the incompletely clarified calcium aluminate on the upper part of the melting tank can be prevented from flowing out of the furnace body, the lower end of the movable flow port is a movable wall capable of moving up and down and is used for controlling the size of the outflow of the molten liquid, and the.
The total-oxygen combustion device comprises a combustor connected to one end of a spraying port, a fuel pipeline and an oxygen pipeline are arranged on the combustor, the fuel pipeline is connected with fuel supply equipment, the oxygen pipeline is connected with oxygen making equipment, and flow controllers are arranged on the fuel pipeline and the oxygen pipeline.
Fuel supply equipment and oxygenerator are provided oxygen and fuel for the combustor by the pipeline, set up the supply proportion of the steerable fuel of flow controller and oxygen, and the fuel adopts natural gas or fuel, does not need desulphurization unit because of natural gas or fuel are clean energy and do not contain sulphur, and the combustion-supporting gas is oxygen, adopts the oxy-fuel combustion of oxy-fuel combustion device, because of no nitrogen participation can not produce nitrogen oxide, need not denitrification facility.
And a melting tank protective layer is laid at the bottom of the melting tank.
The furnace body bottom sets gradually bearing layer, bedding course, the embedded furnace body heat preservation of bedding course.
The furnace body is fixed on the steel structure supporting table through the steel structure secondary beam, the steel structure supporting table is provided with a fixing frame, the fixing frame is provided with a furnace support, and the furnace body is provided with a groove clamped with the furnace support.
Melting tank protective layer is laid to melting tank bottom, improves the thermal insulation performance of melting tank bottom, and the furnace body bottom sets gradually bearing layer, bedding course, the embedded furnace body heat preservation of bedding course, the support of strengthening the furnace body, the thermal insulation performance who improves the furnace body set up steel construction secondary beam, steel construction brace table, stove support and strengthen the furnace body and support.
When the calcium aluminate is prepared, the aluminum ash, the limestone and the grade regulator are added into a mixer for mixing. And after mixing, adding the mixed raw materials into a total-oxygen combustion calcium aluminate furnace through a feeder, melting at high temperature, and after the raw materials are fully melted, discharging through a discharge hole. Two ways of finished product collection can be performed: firstly, collecting by using a chain plate machine, and obtaining a finished material block in this way; and secondly, naturally flowing out and cooling, and crushing after cooling in the mode to obtain a finished product. After the finished product is prepared by the two methods, the finished product is qualified by inspection, packaged and warehoused.
Compared with the prior art, the invention has the following beneficial effects:
(1) the total-oxygen combustion calcium aluminate furnace is provided with the melt clarifying brick, one or more flow holes for the melt to pass through are arranged on the melt clarifying brick, the melt clarifying brick can form a blocking effect on the incompletely molten melt at the upper part of the melting tank, and the flow holes can enable the melt with good liquid forming property at the lower part of the melting tank to flow out from the movable flow port;
(2) according to the total oxygen combustion calcium aluminate furnace, the outlet end of the smoke outlet is connected with the smoke discharging, dedusting and cooling device, so that dedusting and cooling treatment are performed on smoke, and enterprise cost is saved.
(3) According to the total-oxygen combustion calcium aluminate furnace, the bearing layer and the bedding layer are sequentially arranged at the bottom of the furnace body, and the furnace body heat-insulating layer is embedded in the bedding layer, so that the heat-insulating effect at the bottom of the furnace body is improved; the furnace body is supported by steel construction brace table and stove support, consolidates the furnace body, improves the security in the furnace body uses.
(4) The total-oxygen combustion calcium aluminate furnace is provided with the total-oxygen combustion device connected with the burner ports, has better energy-saving effect and less waste gas discharge compared with an air combustion-supporting calcium aluminate furnace, does not need a desulfurization and denitration device, and is environment-friendly and energy-saving.
(5) The smoke outlet can be designed to be arranged in parallel with the feeding port or the discharging port according to the actual situation of a construction site, so that the production is more convenient, and the efficiency is higher.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic structural view of example 2 of the present invention; (ii) a
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic structural view of the oxy-fuel combustion apparatus of the present invention;
in the figure: 1. a melting tank; 2. a discharge port; 3. spraying and burning the opening; 4. a feed inlet; 5. a smoke outlet; 6. a smoke discharging, dust removing and cooling device; 7. clarifying the molten liquid brick; 8. a liquid flowing hole; 9. a movable wall; 10. a molten pool protective layer; 11. a bearing layer; 12. a furnace body heat-insulating layer; 13. paving a cushion layer; 14. a steel structure secondary beam; 15. a steel structure support table; 16. a fixed frame; 17. a furnace support; 18. a fuel supply device; 19. a fuel line; 20. a flow controller; 21. an oxygen generation device; 22. an oxygen line; 23. a burner.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, 2 and 5, the total-oxygen combustion calcium aluminate furnace comprises a furnace body and a total-oxygen combustion device, wherein the total-oxygen combustion device is installed on the furnace body, a melting tank 1 is arranged in the furnace body, a charging port 4 is arranged on the furnace body at one end of the melting tank 1, a discharging port 2 communicated with the outside is arranged at the other end of the melting tank 1, a plurality of groups of flame ports 3 are arranged on the furnace body at two sides of the melting tank 1, the outlet end of the smoke port 5 is connected with a smoke discharging and dust removing and cooling device 6, and the smoke discharging and dust removing and cooling device 6 is composed of a smoke collecting pipe and an alkali liquor tank and is used for removing dust and cooling; a melt clarifying brick 7 inserted into the bottom of the melting tank 1 is fixedly connected to the furnace body at the discharge port 2, and one or more liquid flow holes 8 for the melt to pass through are formed in the melt clarifying brick 7; the lower end of the discharge port 2 is provided with a movable wall 9 which can move up and down; the spraying and burning port 3 is a channel made of corundum refractory material and built with a crown, one end of the channel is positioned in the furnace body, and the other end of the channel is connected with the total oxygen combustion device; the total oxygen combustion device comprises a combustor 23 connected to one end of the injection port 3, a fuel pipeline 19 and an oxygen pipeline 22 are arranged on the combustor 213, the fuel pipeline 19 is connected with a fuel supply device 18, the oxygen pipeline 22 is connected with an oxygen making device 21, and flow controllers 20 are arranged on the fuel pipeline 19 and the oxygen pipeline 22.
Melting tank protective layer 10 is laid to melting tank 1 bottom, the furnace body bottom sets gradually bearing layer 11, bedding layer 13, embedded furnace body heat preservation 12 of bedding layer 13. The furnace body is fixed on a steel structure supporting platform 15 through a steel structure secondary beam 14, a fixing frame 16 is arranged on the steel structure supporting platform 15, a furnace support 17 is arranged on the fixing frame 16, and a groove clamped with the furnace support 17 is arranged on the furnace body.
Example 2
As shown in fig. 3-5, the total-oxygen combustion calcium aluminate furnace comprises a furnace body and a total-oxygen combustion device, wherein the total-oxygen combustion device is installed on the furnace body, a melting tank 1 is arranged inside the furnace body, a feed inlet 4 is arranged on the furnace body at one end of the melting tank 1, a discharge outlet 2 communicated with the outside is arranged at the other end of the melting tank 1, a plurality of groups of flame ports 3 are arranged on the furnace body at two sides of the melting tank 1, the outlet end of the discharge outlet 5 is connected with a smoke discharging and dust removing and cooling device 6, and the smoke discharging and dust removing and cooling device 6 is composed of a smoke collecting pipe and an alkali liquor tank for dust removal and cooling; a melt clarifying brick 7 inserted to the bottom of the melting tank is fixedly connected to the furnace body at the discharge port 2, and one or more liquid flow holes 8 for the melt to pass through are formed in the melt clarifying brick 7; the lower end of the discharge port 2 is provided with a movable wall 9 which can move up and down; the spraying and burning port 3 is a channel made of corundum refractory material and built with a crown, one end of the channel is positioned in the furnace body, and the other end of the channel is connected with the total oxygen combustion device; the total-oxygen combustion device comprises a combustor 23 connected to one end of a combustion spraying opening, a fuel pipeline 19 and an oxygen pipeline 22 are arranged on the combustor 23, the fuel pipeline 19 is connected with a fuel supply device 18, the oxygen pipeline 22 is connected with an oxygen making device 21, and a flow controller 20 is arranged on each of the fuel pipeline 19 and the oxygen pipeline 22. Melting pond protective layer 10 is laid to 1 bottom in melting pond, the furnace body bottom sets gradually bearing layer 11, bedding layer 13, the embedded furnace body heat preservation 12 of bedding layer 13, the furnace body passes through steel construction secondary beam 14 to be fixed on steel construction brace table 15, set up fixed frame 16 on the steel construction brace table 15, be equipped with the stove on the fixed frame 16 and hold in the palm 17, be equipped with the recess with stove support 17 block on the furnace body.
The melting tank protection layer 10 is made of zircon ramming mass, the bearing layer 11 is made of mullite cast bricks, the bedding layer 13 is made of low-porosity bricks, and the furnace body heat insulation layer 12 is made of heat insulation bricks; the fuel supply device 18 and the oxygen generation device 21 supply oxygen and natural gas or fuel oil fuel to the combustor 23 through pipelines, and a flow controller 20 is arranged to control the supply ratio of the fuel and the oxygen; melting pond protective layer 10 is laid to 1 bottom in melting pond, improves the thermal insulation performance of melting pond bottom, and the furnace body bottom sets gradually bearing layer 11, bedding layer 13, the embedded furnace body heat preservation 12 of bedding layer 13 strengthens the support of furnace body, improves the thermal insulation performance of furnace body, sets up steel construction secondary beam 14, steel construction brace table 15, stove support 17 and strengthens the furnace body and support.
According to actual measurement, the energy is saved by about 40 percent compared with an air combustion-supporting calcium aluminate furnace, the exhaust emission is only 20-30 percent of the air combustion-supporting calcium aluminate furnace, 124 yuan is saved by adopting natural gas fuel per ton of calcium aluminate to melt the invention, and 324 yuan is saved by adopting fuel oil per ton of calcium aluminate to melt the invention. The nitrate content of the flue gas after calcium aluminate is melted by adopting the oxy-fuel combustion device can reach the current national emission standard, and the flue gas can reach zero emission after being treated by the smoke discharging, dust removing and cooling device.
When the calcium aluminate is prepared, the aluminum ash, the limestone and the grade regulator are added into a mixer for mixing, the mixed raw materials are added into the total oxygen combustion calcium aluminate furnace through a feeder after mixing, the raw materials are melted at high temperature, and the raw materials flow out through a discharge hole after being fully melted. Two ways of finished product collection can be performed: firstly, collecting by using a chain plate machine, and obtaining a finished material block in this way; and secondly, naturally flowing out and cooling, and crushing after cooling in the mode to obtain a finished product. After the finished product is prepared by the two methods, the finished product is qualified by inspection, packaged and warehoused.
Of course, the foregoing is only a preferred embodiment of the invention and should not be taken as limiting the scope of the embodiments of the invention. The present invention is not limited to the above examples, and equivalent changes and modifications made by those skilled in the art within the spirit and scope of the present invention should be construed as being included in the scope of the present invention.

Claims (10)

1. An oxy-fuel combustion calcium aluminate furnace is characterized in that: including furnace body and oxy-fuel combustion device, oxy-fuel combustion device installs on the furnace body, inside melting tank (1) that sets up of furnace body, set up charge door (4) on melting tank (1) one end furnace body, the other end sets up discharge gate (2) with external intercommunication, and exhaust port (5) and charge door (4) or discharge gate (2) arrange side by side, it spouts burning mouth (3) to set up the multiunit on melting tank (1) both sides furnace body, dust removal, heat sink (6) are discharged fume in the connection of exhaust port (5) exit end.
2. The oxy-fuel combustion calcium aluminate furnace of claim 1, characterized in that: the molten liquid clarifying brick is characterized in that a furnace body at the discharge port (2) is fixedly connected with a molten liquid clarifying brick (7) inserted into the bottom of the melting tank (1), and one or more liquid flow holes (8) for molten liquid to pass through are formed in the molten liquid clarifying brick (7).
3. The oxy-fuel combustion calcium aluminate furnace of claim 1, characterized in that: the lower end of the discharge hole (2) is provided with a movable wall (9) which can move up and down.
4. The oxy-fuel combustion calcium aluminate furnace of claim 1, characterized in that: the spraying and burning port (3) is a channel made of corundum refractory material for bricking, one end of the channel is positioned in the furnace body, and the other end of the channel is connected with the total oxygen combustion device.
5. The oxy-fuel combustion calcium aluminate furnace of claim 1, characterized in that: the total-oxygen combustion device comprises a combustor (23) connected to one end of a combustion spraying opening, a fuel pipeline (19) and an oxygen pipeline (22) are arranged on the combustor (23), the fuel pipeline (19) is connected with a fuel supply device (18), the oxygen pipeline (22) is connected with an oxygen generation device (21), and flow controllers (20) are arranged on the fuel pipeline (19) and the oxygen pipeline (22).
6. The oxy-fuel combustion calcium aluminate furnace of claim 5, characterized in that: the fuel supply device (18) supplies natural gas or fuel oil.
7. The oxy-fuel combustion calcium aluminate furnace of claim 1, characterized in that: and a melting tank protective layer (10) is laid at the bottom of the melting tank (1).
8. The oxy-fuel combustion calcium aluminate furnace of claim 1, characterized in that: the furnace body bottom sets gradually bearing layer (11), bedding layer (13), embedded furnace body heat preservation (12) of bedding layer (13).
9. The oxy-fuel combustion calcium aluminate furnace of claim 1, characterized in that: the furnace body is fixed on a steel structure supporting platform (15) through a steel structure secondary beam (14), a fixing frame (16) is arranged on the steel structure supporting platform (15), a furnace support (17) is arranged on the fixing frame (16), and a groove clamped with the furnace support (17) is formed in the furnace body.
10. The oxy-fuel combustion calcium aluminate furnace of claims 1-9, characterized in that: when the calcium aluminate is prepared, the raw materials are added into a mixer to be mixed, the mixed raw materials are added into the total oxygen combustion calcium aluminate furnace of claims 1 to 8 through a feeder after being mixed, the raw materials are melted at high temperature, and the raw materials flow out through a discharge hole after being fully melted.
CN202011336354.5A 2020-11-25 2020-11-25 Full oxygen combustion calcium aluminate furnace Withdrawn CN112344732A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011336354.5A CN112344732A (en) 2020-11-25 2020-11-25 Full oxygen combustion calcium aluminate furnace

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Application Number Priority Date Filing Date Title
CN202011336354.5A CN112344732A (en) 2020-11-25 2020-11-25 Full oxygen combustion calcium aluminate furnace

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CN112344732A true CN112344732A (en) 2021-02-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024098278A1 (en) * 2022-11-09 2024-05-16 刘铠 Calcium aluminate melting pool and calcium aluminate furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024098278A1 (en) * 2022-11-09 2024-05-16 刘铠 Calcium aluminate melting pool and calcium aluminate furnace

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