CN202508886U - Energy-saving furnace for producing zinc oxide through indirect method - Google Patents
Energy-saving furnace for producing zinc oxide through indirect method Download PDFInfo
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- CN202508886U CN202508886U CN2012201145377U CN201220114537U CN202508886U CN 202508886 U CN202508886 U CN 202508886U CN 2012201145377 U CN2012201145377 U CN 2012201145377U CN 201220114537 U CN201220114537 U CN 201220114537U CN 202508886 U CN202508886 U CN 202508886U
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- 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
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Abstract
The utility model provides an energy-saving furnace for producing zinc oxide through an indirect method. The energy-saving furnace comprises a casing, wherein a cavity is arranged inside the casing, and an air inlet and a flue gas outlet are formed in the casing. The energy-saving furnace is characterized in that an air heating chamber, an oxidizing chamber, a zinc evaporating and heating chamber, a zinc vapor volatilizing chamber and a zinc melting chamber are arranged inside the cavity and at the air inlet, an electric heater is mounted inside the air heating chamber, the oxidizing chamber is communicated with the air heating chamber, the zinc evaporating heating chamber in which a zinc evaporating crucible is mounted is communicated with the oxidizing chamber, the zinc vapor volatilizing chamber in which the electric heater is mounted is positioned above the zinc evaporating heating chamber, the zinc melting chamber in which a zinc melting crucible is mounted is positioned at the flue gas outlet, and the zinc melting crucible is communicated with the zinc evaporating crucible through a chute. High-temperature flue gas can be obtained by making the best of chemical energy released by intense oxidation reaction of zinc vapor and hot air, heating and melting, as well as evaporating can be performed on zinc liquid and a zinc ingot by using the high-temperature flue gas, the energy saving effect is quite obvious, 900 kwh electricity and 110.61 kgce/tZnO standard coal can be saved when each ton of zinc oxide is produced.
Description
Technical field
The utility model relates to a kind of device of producing zinc oxide, and especially a kind of is raw material with the zinc ingot metal, accomplishes molten zinc, steams the device of zinc and zinc fume oxidation, belongs to the non-ferrous metal metallurgy technical field.
Background technology
Traditional indirect process zinc oxide production is that metal zinc ingot is put into zinc-melting furnace; Be heated to 600-700 ℃ and make it fusing; Liquid zinc imports zinc column still (or pot) to be continued to be heated to 1300 ℃ and makes it to become zinc fume, again zinc fume import in the oxidizing chamber with warm air in oxygen to directly oxidize, generate zinc oxide (flue dust); Thereafter flue dust is through cooling, separation and collection, packing, and zinc oxide gets product.Present zinc oxide production technology is quite ripe, and industrial scale is developed to tens thousand of ton/a also by thousands of tons of/a.And for production convenient regulation and control, reliable; And guarantee quality product; At present in technology is provided with, all adopt Electric heating to accomplish molten zinc, evaporation zinc, one ton of comprehensive power consumption of zinc oxide of every like this production all >=more than the 1000kwh; Such production technique pattern, wanting to cut down the consumption of energy has not had potentiality and can dig.Therefore, must improve, to satisfy energy-saving and cost-reducing demand to prior art.
Summary of the invention
The purpose of the utility model is to provide a kind of can make full use of oxidation generation heat, and molten zinc, the required heat energy of evaporation zinc are provided, and the indirect method that cuts down the consumption of energy is by a relatively large margin produced the energy-conservation stove of zinc oxide.
The utility model is accomplished through following technical proposal: a kind of indirect method is produced the energy-conservation stove of zinc oxide; Comprise and establish cavity in it; Establish the housing of gas inlet and exhanst gas outlet on it, it is characterized in that being positioned in the cavity gas inlet place and be provided with the hotair chamber that it installs electric heater, the oxidizing chamber that is communicated with hotair chamber; The zinc evaporation heating chamber of zinc evaporation crucible is installed in its that is communicated with oxidizing chamber; Its that is positioned at zinc evaporation heating chamber top is equipped with zinc fume volatilization chamber of electric heater, and its that is positioned at smoke outlet installed the zinc melting chamber of molten zinc crucible, and molten zinc crucible passes through chute and is communicated with the zinc evaporation crucible.
Said zinc melting chamber is separated through partition wall and all the other each chambers, and is communicated with zinc evaporation heating chamber through the opening on the partition wall.
Said zinc fusing partition is provided with a plurality of molten zinc crucibles; The upper end of each molten zinc crucible is uncovered, and passes housing and extend to outside the housing, and between uncovered and housing, the branch's chute that is communicated with molten zinc crucible is set; The outlet of each branch's chute is passed housing and is got in the zinc evaporation heating chamber; And join with chute in the zinc evaporation heating chamber, in each molten zinc crucible, add zinc ingot metal with convenient, make simultaneously in the zinc evaporation crucible of zinc liquid in branch's chute, chute flow into the evaporation heating chamber of fusing.
Said evaporation heating partition is provided with a plurality of zinc evaporation crucible; The upper end of each zinc evaporation crucible is uncovered; And the branch's chute that passes through separately links to each other with chute; This chute links to each other with branch's chute of each molten zinc crucible again, in time sends in each zinc evaporation crucible so that will melt the zinc liquid of fusing in the zinc crucible.
Said hotair chamber, oxidizing chamber, zinc fume volatilization chamber, zinc evaporation heating chamber, zinc melting chamber are symmetricly set in the housing; So that zinc evaporization process with temperature requirement higher (＞907 ℃); Housing cavity middle part is set; And the molten zinc operation of temperature requirement low slightly (＞419 ℃); It is peripheral to be arranged at the housing cavity, makes the high temperature oxidation zinc flue gas of oxidation carry out heating evaporation to the zinc liquid in the zinc evaporation crucible in the zinc evaporation heating chamber earlier, again the zinc ingot metal in the molten zinc crucible in the zinc melting chamber is carried out heat fused thereafter.
The utlity model has advantage and effect: adopt such scheme; Can make full use of that fierce oxidizing reaction takes place for zinc fume and warm air and the chemical energy that discharges; Obtain high-temperature flue gas; And earlier the zinc liquid in the zinc evaporation crucible in the zinc evaporation heating chamber is carried out heating evaporation with this high-temperature flue gas, again the zinc ingot metal in the molten zinc crucible in the zinc melting chamber is carried out heat fused thereafter, electric energy only be used to go into operation air, zinc fume heating when starting.Can carry out zinc evaporation, zinc fusing with oxidation heat energy, its energy-saving effect is quite obvious, makes zinc oxide production comprehensive energy consumption≤100kw/tZnO; Be merely 10% of traditional energy consumption; Be one ton of zinc oxide of every production 900kwh that can economize on electricity, practice thrift mark coal 110.61kgce/ tZnO, the utility model is simple in structure; Easy to operate, economical and practical.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the utility model is done to further describe, be not limited thereto but hold within the utility model.
The indirect method that the utility model provides is produced the device of zinc oxide; Comprise and establish cavity in it; Establish the housing 1 of gas inlet 9 and exhanst gas outlet 14 on it, be positioned at gas inlet 9 places in the cavity and be provided with the hotair chamber 10 that it installs electric heater 7, the oxidizing chamber 8 that is communicated with hotair chamber 10; The zinc evaporation heating chamber 11 of zinc evaporation crucible 5 is installed in its that is communicated with oxidizing chamber 8; Its that is positioned at zinc evaporation heating chamber 11 tops is equipped with zinc fume volatilization chamber 6 of electric heater 7, and its that is positioned at exhanst gas outlet 14 places installed the zinc melting chamber 12 of molten zinc crucible 2, and molten zinc crucible 2 passes through branch's chute 3, chute 4 is communicated with zinc evaporation crucible 5; Said zinc melting chamber 12 is separated through each chamber of partition wall 16 and all the other, and is communicated with zinc evaporation heating chamber 11 through the opening 15 on the partition wall 16; A plurality of molten zinc crucibles 2 are set in the said zinc melting chamber 12 at interval; The upper end of each molten zinc crucible 2 is uncovered; And pass housing 1 and extend to outside the housing 1; And the branch's chute 3 that is communicated with molten zinc crucible 2 is set between uncovered and housing 1, the outlet of each branch's chute 3 is passed housing 1 and is got in the zinc evaporation heating chamber 11, and evaporates heating chamber 11 interior chutes 4 with zinc and join; A plurality of zinc evaporation crucible 5 are set in the said evaporation heating chamber 11 at interval; The upper end of each zinc evaporation crucible 5 is uncovered; And the branch's chute 13 that passes through separately links to each other with chute 4; This chute 4 links to each other with branch's chute 3 of each molten zinc crucible 2 again, in time sends in each zinc evaporation crucible 5 so that will melt the zinc liquid of fusing in the zinc crucible 2; Said hotair chamber 10, oxidizing chamber 8, zinc fume volatilization chamber 6, zinc evaporation heating chamber 11, zinc melting chamber 12 are symmetricly set in the housing 1.Like Fig. 1, Fig. 2, Fig. 3.
During work: air is interior behind electric heater 7 heat temperature raisings from the 9 entering hotair chambers 10 that enter the mouth; Fierce oxidizing reaction takes place with the zinc fume from zinc fume volatilization chamber 6; When zinc fume is oxidized to the zinc oxide flue gas, produce chemical heat energy and become high-temperature flue gas; This high-temperature flue gas carries out heating evaporation to the zinc liquid in the zinc evaporation crucible 5 in the zinc evaporation heating chamber 11 earlier; Again the zinc ingot metals in the molten zinc crucible 2 in the zinc melting chamber 12 are carried out heat fused, the zinc liquid of fusing flows in the zinc evaporation crucible 5 through branch's chute 3, chute 4, branch's chute 13, so constantly molten zinc, constantly evaporate zinc liquid, constantly the zinc oxide steam is the zinc oxide flue gas; Continuous oxidation heat liberation, the zinc oxide flue gas then drains into the postorder water cooler from exhanst gas outlet 14 and is cooled to oxide powder and zinc.
Claims (5)
1. an indirect method is produced the energy-conservation stove of zinc oxide; Comprise and establish cavity in it; Establish the housing of gas inlet and exhanst gas outlet on it, it is characterized in that being positioned in the cavity gas inlet place and be provided with the hotair chamber that it installs electric heater, the oxidizing chamber that is communicated with hotair chamber; The zinc evaporation heating chamber of zinc evaporation crucible is installed in its that is communicated with oxidizing chamber; Its that is positioned at zinc evaporation heating chamber top is equipped with zinc fume volatilization chamber of electric heater, and its that is positioned at smoke outlet installed the zinc melting chamber of molten zinc crucible, and molten zinc crucible passes through chute and is communicated with the zinc evaporation crucible.
2. indirect method according to claim 1 is produced the energy-conservation stove of zinc oxide, it is characterized in that said zinc melting chamber through partition wall and all the other each chamber separations, and is communicated with through opening on the partition wall and zinc evaporation heating chamber.
3. indirect method according to claim 1 is produced the energy-conservation stove of zinc oxide; It is characterized in that said zinc fusing partition is provided with a plurality of molten zinc crucibles; The upper end of each molten zinc crucible is uncovered, and passes housing and extend to outside the housing, and between uncovered and housing, the branch's chute that is communicated with molten zinc crucible is set; The outlet of each branch's chute is passed housing and is got in the zinc evaporation heating chamber, and joins with chute in the zinc evaporation heating chamber.
4. indirect method according to claim 1 is produced the energy-conservation stove of zinc oxide, it is characterized in that said evaporation heating partition is provided with a plurality of zinc evaporation crucible, and the upper end of each zinc evaporation crucible is uncovered, and links to each other with chute through branch's chute separately.
5. indirect method according to claim 1 is produced the energy-conservation stove of zinc oxide, it is characterized in that said hotair chamber, oxidizing chamber, zinc fume volatilization chamber, zinc evaporation heating chamber, zinc melting chamber are symmetricly set in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201145377U CN202508886U (en) | 2012-03-26 | 2012-03-26 | Energy-saving furnace for producing zinc oxide through indirect method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201145377U CN202508886U (en) | 2012-03-26 | 2012-03-26 | Energy-saving furnace for producing zinc oxide through indirect method |
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| Publication Number | Publication Date |
|---|---|
| CN202508886U true CN202508886U (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201145377U Expired - Fee Related CN202508886U (en) | 2012-03-26 | 2012-03-26 | Energy-saving furnace for producing zinc oxide through indirect method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371653A (en) * | 2015-09-08 | 2016-03-02 | 刘建华 | Vertical zinc oxide smelting furnace |
| CN106115770A (en) * | 2016-06-30 | 2016-11-16 | 安徽省含山县锦华氧化锌厂 | A kind of environment-friendly type zinc oxide preparation method |
| CN111204795A (en) * | 2020-02-25 | 2020-05-29 | 兴化市庆丰锌品有限公司 | Indirect zinc oxide self-heating production system |
| CN111233026A (en) * | 2020-02-25 | 2020-06-05 | 兴化市庆丰锌品有限公司 | Indirect method zinc oxide preparation device and preparation method thereof |
| CN111285395A (en) * | 2020-02-25 | 2020-06-16 | 兴化市庆丰锌品有限公司 | Production process of high-purity zinc oxide indirect method |
| CN113578211A (en) * | 2021-08-03 | 2021-11-02 | 安徽锦华氧化锌有限公司 | A energy-saving high-efficient oxidation equipment for zinc oxide production |
-
2012
- 2012-03-26 CN CN2012201145377U patent/CN202508886U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371653A (en) * | 2015-09-08 | 2016-03-02 | 刘建华 | Vertical zinc oxide smelting furnace |
| CN106115770A (en) * | 2016-06-30 | 2016-11-16 | 安徽省含山县锦华氧化锌厂 | A kind of environment-friendly type zinc oxide preparation method |
| CN111204795A (en) * | 2020-02-25 | 2020-05-29 | 兴化市庆丰锌品有限公司 | Indirect zinc oxide self-heating production system |
| CN111233026A (en) * | 2020-02-25 | 2020-06-05 | 兴化市庆丰锌品有限公司 | Indirect method zinc oxide preparation device and preparation method thereof |
| CN111285395A (en) * | 2020-02-25 | 2020-06-16 | 兴化市庆丰锌品有限公司 | Production process of high-purity zinc oxide indirect method |
| CN113578211A (en) * | 2021-08-03 | 2021-11-02 | 安徽锦华氧化锌有限公司 | A energy-saving high-efficient oxidation equipment for zinc oxide production |
| CN113578211B (en) * | 2021-08-03 | 2023-07-18 | 安徽锦华氧化锌有限公司 | Energy-saving efficient oxidation equipment for zinc oxide production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20200326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |