CN205351940U - Heat recovery system is traded in rare earth oxide production energy -conservation - Google Patents
Heat recovery system is traded in rare earth oxide production energy -conservation Download PDFInfo
- Publication number
- CN205351940U CN205351940U CN201620103048.XU CN201620103048U CN205351940U CN 205351940 U CN205351940 U CN 205351940U CN 201620103048 U CN201620103048 U CN 201620103048U CN 205351940 U CN205351940 U CN 205351940U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- natural gas
- roller kilns
- tube coupling
- powder heat
- 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.)
- Expired - Fee Related
Links
- 229910001404 rare earth metal oxide Inorganic materials 0.000 title claims abstract description 12
- 238000011084 recovery Methods 0.000 title claims abstract description 10
- 238000004134 energy conservation Methods 0.000 title claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000003345 natural gas Substances 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 22
- 230000008676 import Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 27
- 238000007599 discharging Methods 0.000 claims description 15
- 239000007789 gas Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 7
- 238000010168 coupling process Methods 0.000 abstract 7
- 238000005859 coupling reaction Methods 0.000 abstract 7
- 239000000428 dust Substances 0.000 abstract 3
- 239000002994 raw material Substances 0.000 abstract 3
- 239000002253 acid Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 improve productivity Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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]
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Furnace Details (AREA)
Abstract
The utility model discloses a heat recovery system is traded in rare earth oxide production energy -conservation, it includes tombarthite raw materials feeder, powder heat exchanger, cyclone and natural gas roller kilns, wherein tombarthite raw materials feeder's discharge gate with the feed inlet of powder heat exchanger passes through the tube coupling, the discharge gate of powder heat exchanger with the tube coupling is passed through in cyclone's import, cyclone's discharge gate with the feed inlet of natural gas roller kilns passes through the tube coupling, the gas vent of natural gas roller kilns with the air inlet of powder heat exchanger passes through the tube coupling, cyclone's gas vent passes through the tube coupling with the import of dust remover, the gas vent and the high pressure positive blower of dust remover pass through the tube coupling, the discharge gate of dust remover with the feed inlet of natural gas roller kilns passes through the tube coupling. The utility model discloses the heat source has been utilized to existing effect, has increased the prebake of tombarthite raw materials again, has reduced the time of curing in later stage, saves the cost.
Description
Technical field:
This utility model relates to heat recovery field, and particularly rare earth oxide produces energy-conservation heat exchange recovery system.
Background technology:
At present in Rare Earth Production process, namely rare earths material is admitted to natural gas roller kilns without prebake, moisture, ash and the harmful substances (acid impurities etc.) etc. that rare earths material is contained within enter, due to vaporization at high temperature, the smoke processing system that natural gas roller kilns kiln hood is arranged over, a small amount of rare earths material is also swept along entrance smoke processing system, reclaim difficulty, cause wastage of material, reduce production efficiency, if additionally arranging a set of prebake thermal source, construction investment is big, and operation energy consumption is high；And current natural gas roller kilns afterbody is discharged to the heat in air and is also not used and causes energy waste and loss.
Utility model content:
The purpose of this utility model is in that to provide rare earth oxide to produce energy-conservation heat exchange recovery system, solve in current rare earth oxide production process, rare earths material is carried away by the moisture ash at high temperature volatilization process that rare earths material causes because not drying, the problem reducing production efficiency.
In order to solve above-mentioned technical problem, this utility model provides rare earth oxide and produces energy-conservation heat exchange recovery system, it includes rare earths material batch charger, powder heat exchanger, cyclone separator, prebake feed bin and natural gas roller kilns, the discharging opening of wherein said rare earths material batch charger is connected by pipeline with the charging aperture of described powder heat exchanger, the discharging opening of described powder heat exchanger is connected by pipeline with the import of described cyclone separator, the discharging opening of described cyclone separator is connected by pipeline with the charging aperture of described prebake feed bin, the discharging opening of described prebake feed bin is connected by pipeline with described natural gas roller kilns, the air vent of described natural gas roller kilns is connected with the air inlet of described powder heat exchanger.
Advantage of the present utility model: this utility model carries out in prebake process by the heat recovery produced during by natural gas roller kilns roasting rare earth oxide to rare earths material, on the one hand can the effective recycling energy；On the other hand rare earths material is carried out prebake, so can reduce rare earths material and enter the baking time in natural gas roller kilns, save cost, separately avoid moisture and CO that rare earths material is contained within2Vaporization at high temperature process is carried part rare earths material and enters the smoke processing system that natural gas roller kilns kiln hood is arranged over, reclaim difficulty, cause the problem that wastage of material, yield reduce, and increase powder heat exchanger can discharge whole acid impurities, the acid gas obtained is recycling, and avoids the acid gas corrosion of natural gas roller kilns.
Accompanying drawing illustrates:
Fig. 1 is overall structure schematic diagram of the present utility model.
Accompanying drawing illustrates as follows: 1, rare earths material batch charger；2, powder heat exchanger；3, cyclone separator；4, natural gas roller kilns；5, cleaner unit；6, high pressure positive blower；7, prebake feed bin.
Detailed description of the invention:
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, it is described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, in embodiment of the present utility model, rare earth oxide is provided to produce energy-conservation heat exchange recovery system, it includes rare earths material batch charger 1, powder heat exchanger 2, cyclone separator 3, prebake feed bin 7 and natural gas roller kilns 4, wherein the discharging opening of rare earths material batch charger 1 is connected by pipeline with the charging aperture of powder heat exchanger 2, the discharging opening of powder heat exchanger 2 is connected by pipeline with the import of cyclone separator 3, the discharging opening of cyclone separator 3 is connected by pipeline with the charging aperture of prebake feed bin 7, the discharging opening of described prebake feed bin 7 is connected by pipeline with described natural gas roller kilns 4 charging aperture, the air vent of natural gas roller kilns 4 is connected by pipeline with the air inlet of powder heat exchanger 2, the air vent of cyclone separator 3 is connected by pipeline with the import of cleaner unit 5, the air vent of cleaner unit 5 is connected by pipeline with high pressure positive blower 6, the discharging opening of cleaner unit 5 is connected by pipeline with the charging aperture of prebake feed bin 7.Wherein in specific embodiment of the utility model, the material in prebake feed bin 7 adopts existing fire-clay crucible to be placed in the supporting plate above pipeline and delivers in natural gas roller kilns 4, and prebake feed bin 7 is closed container.
Job description: through the entrance of rare earths material batch charger 1, rare earths material is put in powder heat exchanger 2, then remove moisture in rare earths material, CO through powder heat exchanger 22And acid impurities, then steam, CO2Cyclone separator 3, steam, CO is entered with the rare earths material after prebake with sour gas2Discharge from the air vent of cyclone separator 3 with sour gas, rare earths material enters prebake feed bin 7 after discharging from the discharging opening of cyclone separator 3, and then deliver in natural gas roller kilns 4, cyclone separator 3 air vent gas out enters cleaner unit 5, the rare earths material carried in gas is collected in the receiving section of cleaner unit 5, recycling is in prebake feed bin 7, avoid the waste of rare earths material, improve productivity, gas is under the suction function of high pressure positive blower 6, discharge air, the waste heat produced during natural gas roller kilns 4 roasting rare earth oxide enters into powder heat exchanger 2 through pipeline, thermal source is provided for powder heat exchanger 2, heat losses is avoided to waste, rare earth oxide is through the effect of prebake, decrease the baking time in later stage, save cost.
It is above preferred implementation of the present utility model; it should be noted that for those skilled in the art; under the premise without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (1)
1. rare earth oxide produces energy-conservation heat exchange recovery system, it is characterized in that, it includes rare earths material batch charger, powder heat exchanger, cyclone separator, prebake feed bin and natural gas roller kilns, the discharging opening of wherein said rare earths material batch charger is connected by pipeline with the charging aperture of described powder heat exchanger, the discharging opening of described powder heat exchanger is connected by pipeline with the import of described cyclone separator, the discharging opening of described cyclone separator is connected by pipeline with the charging aperture of described prebake feed bin, the discharging opening of described prebake feed bin is connected by pipeline with described natural gas roller kilns charging aperture, the air vent of described natural gas roller kilns is connected with the air inlet of described powder heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620103048.XU CN205351940U (en) | 2016-02-01 | 2016-02-01 | Heat recovery system is traded in rare earth oxide production energy -conservation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620103048.XU CN205351940U (en) | 2016-02-01 | 2016-02-01 | Heat recovery system is traded in rare earth oxide production energy -conservation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205351940U true CN205351940U (en) | 2016-06-29 |
Family
ID=56182345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620103048.XU Expired - Fee Related CN205351940U (en) | 2016-02-01 | 2016-02-01 | Heat recovery system is traded in rare earth oxide production energy -conservation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205351940U (en) |
-
2016
- 2016-02-01 CN CN201620103048.XU patent/CN205351940U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 |