CN204094147U - A kind of secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line - Google Patents
A kind of secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line Download PDFInfo
- Publication number
- CN204094147U CN204094147U CN201420377104.XU CN201420377104U CN204094147U CN 204094147 U CN204094147 U CN 204094147U CN 201420377104 U CN201420377104 U CN 201420377104U CN 204094147 U CN204094147 U CN 204094147U
- Authority
- CN
- China
- Prior art keywords
- rear end
- magnetic separation
- conveying belt
- zinc oxide
- ball mill
- 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
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses a kind of secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line, comprise the feeding warehouse, reciprocating sieve, vertical hammer-crusher, magnetic separation belt, first single storehouse ball mill, the first wet type half counter-current magnetic separator, the first precipitating type grader, second single storehouse ball mill, the second wet type half counter-current magnetic separator, the second precipitating type grader, vibrated and dehydrated device, dry kiln, swinging hydrogen reducing furnace, three-D reciprocating sieve and the discharging bin that set gradually.The utility model energy-saving and emission-reduction, realize resource circulation utilization, effectively reduce energy consumption, manually, and improve the quality of products.
Description
Technical field
The utility model relates to firing equipment, refers in particular to a kind of secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization technique.
Background technology
The existing whole nation produces secondary zinc oxide enterprise at about 140, the annual zinc oxide slag produced has more than 6,000,000 tons, although each zinc oxide enterprise processing the waste residue of oneself all in various degree, because the process of technical matters reason to waste residue does not accomplish that eating dry net benefit of squeezing maximizes.The utility model can carry out the degree of depth to zinc oxide waste residue and utilize efficiently, big upgrade resource utilization and economic benefit.The major metal component of zinc oxide slag is Fe, the content of Fe is greatly about 20%--30%, the process prevailing technology of existing domestic zinc oxide slag is: ball milling---magnetic separation, the product of this explained hereafter is Iron concentrate, its iron content is 50%---between 70%, because of its metal Ferrum content large percentage, so there is the phenomenon of jaundice caking, steel plant generally directly do not use, and product price is cheap.Also some producer carries out landfill disposal, does not only have economic benefit, also needs to drop into great amount of cost.Existing zinc oxide slag treatment process is cheap because of its product price, so substantially do not bring benefits, or only has meagre profit can not recycle thoroughly cadmia.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, a kind of energy-conservation energy-saving and emission-reduction are provided, realize resource circulation utilization, effectively reduce energy consumption, manually, and the secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line improved the quality of products.
The technical scheme that the utility model is taked is as follows:
A kind of secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line, comprises the feeding warehouse, reciprocating sieve, vertical hammer-crusher, magnetic separation belt, first single storehouse ball mill, the first wet type half counter-current magnetic separator, the first precipitating type grader, second single storehouse ball mill, the second wet type half counter-current magnetic separator, the second precipitating type grader, vibrated and dehydrated device, dry kiln, swinging hydrogen reducing furnace, three-D reciprocating sieve and the discharging bin that set gradually.
Preferably, lower end first material-conveying belt of described feeding warehouse, first material-conveying belt is obliquely installed, its rear end extends to reciprocating sieve top, and material is sent in reciprocating sieve sieves, the rear end of reciprocating sieve is provided with the second material-conveying belt, and the rear end of the second material-conveying belt extends to the top of vertical hammer-crusher, and the material after shaking-sieving is passed to vertical hammer-crusher.
Preferably, the bottom of described vertical hammer-crusher is provided with magnetic separation belt, falls on magnetic separation belt carry out dry magnetic separation through the vertical hammer-crusher material carried out after fragmentation; The rear end of magnetic separation belt extends on first single storehouse ball mill, carries out ball milling; Above-mentioned first wet type half counter-current magnetic separator comprises two, and two first wet type half counter-current magnetic separators are successively set on the rear end of first single storehouse ball mill, to carry out magnetic separation to the material after ball milling, remove the part of not ferric charge; The rear end of the first wet type half counter-current magnetic separator is provided with the first precipitating type grader.
Preferably, the first described precipitating type grader carries out gravity treatment to the material after magnetic separation, to improve the content of Fe, and dewaters to material; The rear end of the first precipitating type grader is provided with second single storehouse ball mill.
Preferably, described second single storehouse ball mill carries out ball milling to the material after gravity treatment, and the rear end of second single storehouse ball mill sets gradually two the second wet type half counter-current magnetic separators, to carry out magnetic separation to the material after ball milling, removes the part of not ferric charge; The rear of the second wet type half counter-current magnetic separator arranges the second precipitating type grader, to carry out gravity treatment to the material after magnetic separation, to improve the content of Fe, and dewaters to material.
Preferably, below the rear end of the second described precipitating type grader, vibrated and dehydrated device is set, to carry out predrainage to material; The rear end of vibrated and dehydrated device is provided with the 3rd material-conveying belt, and the material after predrainage is passed in dry kiln by the 3rd material-conveying belt, carries out drying and dehydrating; The rear end of dry kiln is provided with the 4th material-conveying belt, and material is passed to swinging hydrogen reducing furnace by the 4th material-conveying belt.
Preferably, described swinging hydrogen reducing furnace reduces to the material after dehydration, the rear end of swinging hydrogen reducing furnace arranges the 5th material-conveying belt, material after reduction is passed in three-D reciprocating sieve and sieves by the 5th material-conveying belt, divide three ranks to sieve by granular size material, the material after screening is passed in discharging bin by the 6th material-conveying belt and stores.
The beneficial effects of the utility model are:
The utility model, by carrying out fragmentation to zinc oxide slag, ball milling, magnetic separation, gravity treatment, is dried, and reduction, multiple flow processs such as screening, produce secondary reduction iron powder.The utility model has carried out recycling of the degree of depth to cadmia, and the product of each link can directly in the face of market, and real accomplishes energy-conserving and environment-protective; And each product can produce considerable economic benefit.Particularly: the magnetic field intensity configuration of 1, magnetic separation link, rational magnetic field intensity proportioning can effectively be upgrade, and reduces mechanical energy consumption and runs ore deposit phenomenon; 2, the use of novel rotation reduction furnace, domesticly uses this kind of reduction furnace for iron powder reducing without enterprise temporarily; Rotary reduction furnace can reduce hydrogen usage, has again better reduction effect simultaneously; 3, the mechanical arrangements model of whole flow process, reasonably configures machinery, effectively reduces energy consumption, manually, and improves the quality of products.At present, both at home and abroad all temporarily without the technique using cadmia to manufacture secondary reduction powder.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present utility model.
Fig. 2 is the structural representation of the utility model feeding warehouse and reciprocating sieve.
Fig. 3 is the structural representation of the vertical hammer-crusher of the utility model and magnetic separation belt.
Fig. 4 is the structural representation of the utility model first single storehouse ball mill, the first wet type half counter-current magnetic separator and the first precipitating type grader.
Fig. 5 is the structural representation of the utility model second single storehouse ball mill, the second wet type half counter-current magnetic separator, the second precipitating type grader and vibrated and dehydrated device.
Fig. 6 is the structural representation of the utility model dry kiln.
Fig. 7 is the structural representation of the utility model swinging hydrogen reducing furnace, three-D reciprocating sieve and discharging bin.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figures 1 to 7, the technical scheme that the utility model is taked is as follows: a kind of secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line, comprises the feeding warehouse 1, reciprocating sieve 3, vertical hammer-crusher 5, magnetic separation belt 6, first single storehouse ball mill 7, first wet type half counter-current magnetic separator 8, first precipitating type grader 9, second single storehouse ball mill 10, second wet type half counter-current magnetic separator 11, second precipitating type grader 12, vibrated and dehydrated device 13, dry kiln 15, swinging hydrogen reducing furnace 17, three-D reciprocating sieve 19 and the discharging bin 21 that set gradually.
Lower end first material-conveying belt 2 of feeding warehouse 1, first material-conveying belt 2 is obliquely installed, its rear end extends to reciprocating sieve 2 top, and material is sent in reciprocating sieve 2 sieves, the rear end of reciprocating sieve 2 is provided with the second material-conveying belt 4, the rear end of the second material-conveying belt 4 extends to the top of vertical hammer-crusher 5, and the material after shaking-sieving is passed to vertical hammer-crusher 5.
The bottom of vertical hammer-crusher 5 is provided with magnetic separation belt 6, and the material after vertical hammer-crusher 5 carries out fragmentation falls on magnetic separation belt 6 and carries out dry magnetic separation; The rear end of magnetic separation belt 6 extends on first single storehouse ball mill 7, carries out ball milling; Above-mentioned first wet type half counter-current magnetic separator 8 comprises two, and two first wet type half counter-current magnetic separators 8 are successively set on the rear end of first single storehouse ball mill 7, to carry out magnetic separation to the material after ball milling, remove the part of not ferric charge; The rear end of the first wet type half counter-current magnetic separator 8 is provided with the first precipitating type grader 9.
Material after first 9 pairs, precipitating type grader magnetic separation carries out gravity treatment, to improve the content of Fe, and dewaters to material; The rear end of the first precipitating type grader 9 is provided with second single storehouse ball mill 10.
Material after the 10 pairs of gravity treatments of second single storehouse ball mill carries out ball milling, and the rear end of second single storehouse ball mill 10 sets gradually two the second wet type half counter-current magnetic separators 11, to carry out magnetic separation to the material after ball milling, removes the part of not ferric charge; The rear of the second wet type half counter-current magnetic separator 11 arranges the second precipitating type grader 12, to carry out gravity treatment to the material after magnetic separation, to improve the content of Fe, and dewaters to material.
Below the rear end of the second precipitating type grader 12, vibrated and dehydrated device 13 is set, to carry out predrainage to material; The rear end of vibrated and dehydrated device 13 is provided with the 3rd material-conveying belt the 14, three material-conveying belt 14 and is passed in dry kiln 15 by the material after predrainage, carries out drying and dehydrating; The rear end of dry kiln 15 is provided with the 4th material-conveying belt the 16, four material-conveying belt and material is passed to swinging hydrogen reducing furnace 17.
Swinging hydrogen reducing furnace 17 reduces to the material after dehydration, the rear end of swinging hydrogen reducing furnace 17 arranges the 5th material-conveying belt 18, material after reduction is passed in three-D reciprocating sieve 19 and sieves by the 5th material-conveying belt 18, divide three ranks to sieve by granular size material, the material after screening is passed in discharging bin 21 by the 6th material-conveying belt 20 and stores.
Further, the utility model secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization technique, comprises following processing step:
S1, screening: the iron block in secondary zinc oxide slag screens by the vibratory sieve utilizing sieve aperture to be 80*80mm;
S2, fragmentation: secondary zinc oxide slag remaining after screening in step S1 is carried out fragmentation by vertical hammer-crusher;
S3, dry magnetic separation: the secondary zinc oxide slag after fragmentation in step S2 is carried out dry magnetic separation by magnetic separation belt, the material not containing iron powder is removed;
S4, ball milling: material transferring to the single storehouse ball mill after magnetic separation dry in step S3 is carried out ball milling, makes material particles degree reach at least 20 orders;
S5, magnetic separation: carry out further magnetic separation to the material after ball milling in step S4, remove the tailing not containing iron powder in material, make material Fe content be increased to 75%-79%;
S6, gravity treatment: utilize precipitating type grader that material is carried out gravity treatment, improve the content of Fe further to 80-89%, and dewater to material, to carry out subsequent ball milling operation;
S7, ball milling: carry out ball milling by single storehouse ball mill to material, further the granularity of cadmia is reduced to more than 80 orders, and carry out slag sluicing system, reduce cinder inclusion phenomenon, be convenient to choosing of Fe;
S8, magnetic separation: use two wet type half counter-current magnetic separators to carry out magnetic separation to the material after ball milling, improve the content of Fe to 90%-92%;
S9, gravity treatment: utilize precipitating type grader to be carried out again by material, make the content of Fe be increased to more than 92%, and dewater to material;
S10, dehydration: the material after step S9 process is transferred in vibrated and dehydrated device and dry kiln successively and dewaters;
S11, reduction: the material after dehydration is sent in swinging hydrogen reducing furnace and reduces;
S12, screening: the material after reduction is passed to three-D and revolves riddler and sieve, material is divided into below 100 orders by granular size, more than 100-200 order and 200 orders.
S13, packaging, packed the product after screening by vacuum packing machine, be oxidized to avoid product.In step S6 and step S9, the material removed after carrying out gravity treatment carries out magnetic separation, obtains the Iron concentrate that Fe3O4 content reaches more than 55%, for use in joining ore deposit.Material is carried out predrainage by vibrated and dehydrated device, makes the water content of material reach less than 6%, to reduce the energy consumption of dry kiln, reduces production cost.
Further, the utility model is embodied as:
1. sieve: secondary zinc oxide slag (hereinafter referred to as cadmia) is unstable because of reducing atmosphere in process of production, and the reason of non-uniform temperature is understood some Fe and directly become iron block, and the effect of screening is separated this part iron block exactly.Iron block can be directly used in electric furnace steel making.Use reciprocating sieve to sieve, sieve aperture is 80mm*80mm.Oversize is iron block, and minus mesh enters downstream.
2. broken: broken act as the energy consumption reducing subordinate's flow process, improves operation rate of machinery, and isolates the little iron block in cadmia further.Use vertical hammer-crusher to carry out fragmentation, because the cadmia after screening is also containing some little iron blocks, uses Hubei Province examination disintegrating machine often to there will be card machine phenomenon, cause flow process obstructed.Use vertical hammer-crusher can head it off, because hammer-crusher inner space is larger, after little iron block that cannot be broken enters to beat by, therefore can not cause card machine phenomenon.Hammer-crusher model is determined according to treating capacity.To process 6000 tons of cadmias the moon, use the vertical hammer-crusher of 1000mm*1200mm, discharging opening joins sieve plate, and sieve aperture is 20mm, and oversize is iron block, and minus mesh enters downstream.
3. dry magnetic separation: a part of nonferrous material (hereinafter referred to as tail powder) is removed in acting as of dry magnetic separation, reduces downstream energy consumption.Tail powder can be used for environmental protection brick, cement brick, the manufacture of common brick.Dry magnetic separation uses magnetic separation belt to carry out, and magnetic cylinder magnetic field intensity is 3000 Gausses.What do not go up magnetic material is tail powder, and upper magnetic material enters downstream.
4. ball milling: acting as of ball milling reduces cadmia granularity (reaching more than 20 orders), is convenient to choosing of Fe.Use single storehouse energy-saving ball mill, the raw meal particle size needed because of downstream is relatively even, therefore single storehouse energy-saving ball mill than two storehouses grinding machine or compartment mill better.Ball mill model is determined according to treating capacity.To process 6000 tons of cadmias the moon, coordinate above-mentioned flow process, use 1557 single storehouse energy-saving ball mills to carry out ball milling, make raw meal particle size reach more than 20 orders.After ball milling, material enters downstream.
5. magnetic separation: a part of nonferrous material is removed in acting as of magnetic separation, improves the Fe content (reaching more than 75%) of material.Removing material is tail powder, and tail powder can be used for environmental protection brick, cement brick, the manufacture of common brick.Use two wet type half counter-current magnetic separators to carry out magnetic separation, wet type half counter-current magnetic separator has good effect to raising Iron grade, and can not produce airborne dust.Wet type half counter-current magnetic separator model is determined according to treating capacity.To process 6000 tons of cadmias the moon, coordinate above-mentioned flow process, use 1000mm*1800mm, each one of 800mm*1800mm, it is 1800 Gausses that magnetic field intensity is respectively 1000mm*1800mm wet type half counter-current magnetic separator, 800mm*1800mm wet type half counter-current magnetic separator is 1200 Gausses, and two equipment are contacted.What do not go up magnetic material is tail powder, and upper magnetic material enters downstream.
6. gravity treatment: acting as of gravity treatment improves the Fe content (reaching more than 80%) of material, and to the dehydration that material carries out to a certain degree, make the material moisture entering next stage ball milling up to standard.Remove material and carry out being Iron concentrate after magnetic separation.Iron concentrate main component is Fe3o4, and content can reach more than 55%, can be used for joining ore deposit.Use immersion grader to carry out gravity treatment, the long-range about shaking table of grader treating capacity, gravity treatment effect is also more satisfactory, and connection can be formed between magnetic separator and ball mill, do not need to re-use sludge pump, the equipment such as concentrator, thus reach ideal energy-saving effect.Immersion grader model is determined according to treating capacity.To process 6000 tons of cadmias the moon, coordinate above-mentioned flow process, use 750mm*6000mm immersion grader to carry out gravity treatment, emersion physics carries out magnetic separation, and unclassified stores enters downstream.
7. ball milling: acting as of ball milling reduces cadmia granularity (reaching more than 80 orders) further, carries out slag sluicing system to greatest extent, reduces cinder inclusion phenomenon, is convenient to choosing of Fe.Use single storehouse energy-saving ball mill.Ball mill model is determined according to treating capacity.To process 6000 tons of cadmias the moon, coordinate above-mentioned flow process, use 1245 single storehouse energy-saving ball mills to carry out ball milling, make more than raw meal particle size average out to 100 order.After ball milling, material enters downstream.
8. magnetic separation: a part of nonferrous material is removed in acting as of magnetic separation, improves the Fe content (reaching more than 90%) of material.Removing material is tail powder, and tail powder can be used for environmental protection brick, cement brick, the manufacture of common brick.Two wet type half counter-current magnetic separators are used to carry out magnetic separation.Wet type half counter-current magnetic separator model is determined according to treating capacity.To process 6000 tons of cadmias the moon, coordinate above-mentioned flow process, use 1000mm*1500mm, 800mm*1500mm one, it is 1000 Gausses that magnetic field intensity is respectively 1000mm*1500mm wet type half counter-current magnetic separator, 800mm*1500mm wet type half counter-current magnetic separator is 800 Gausses, and two equipment are contacted.What do not go up magnetic material is tail powder, and upper magnetic material enters downstream.
9. gravity treatment: acting as of gravity treatment improves the Fe content (reaching more than 92%) of material, and to the dehydration that material carries out to a certain degree, the material moisture entering next stage flow process is reduced.Remove material and carry out being Iron concentrate after magnetic separation.Iron concentrate main component is Fe3o4, and content can reach more than 55%, can be used for joining ore deposit.Use immersion grader (or shaking table, spiral concentrator) to carry out gravity treatment immersion grader model to determine according to treating capacity.To process 6000 tons of cadmias the moon, coordinate above-mentioned flow process, use 750mm*6000mm immersion grader to carry out gravity treatment, emersion thing carries out magnetic separation, and unclassified stores enters downstream.
10. dewater: dehydration is for next step reduction provides dry material.Vibrated and dehydrated device and dry kiln is used to dewater.Because material iron content is high, than great, use vibrated and dehydrated device dehydrating effect obvious, material moisture can be made to reach within 6%, significantly reduce production cost and dry kiln energy consumption.Vibrated and dehydrated device and dry kiln are determined according to treating capacity.To process 6000 tons of cadmias the moon, coordinate above-mentioned flow process, vibrated and dehydrated device uses 1000*1600 vibrated and dehydrated device, and dry kiln uses 1000mm*12000mm dry kiln.Downstream is entered after dry materials.
11. reduction: acting as of reduction removes oxygen molecule contained by material, carbon molecule and other harmful elements, improves material Fe content (reaching more than 95%).The indices of material is made to reach product standard.Use swinging hydrogen reducing furnace to reduce, swinging hydrogen reducing furnace is better than traditional belt type reducing furnace reduction effect more energy-conservation.Swinging hydrogen reducing furnace model is determined according to treating capacity.To process 6000 tons of cadmias the moon, coordinate above-mentioned flow process, use 1200mm*5000mm swinging hydrogen reducing furnace to reduce, after reduction, material enters downstream.
12. screenings: the effect of screening is that each grade product is classified, the product order number needed because of each producer is different, so we must come product by the classification of order number, is divided into 3 ranks: less than 100 products, 100 order to 200 order products, the above product of 200 order.Use three-D to revolve riddler to sieve, it is stable that three-D revolves riddler, and maintenance rate is low.Three-D revolves riddler model to be determined according to treating capacity.To process 6000 tons of cadmias the moon, coordinate above-mentioned flow process, use 800mm three-D to revolve riddler, ground floor screen cloth uses 100 eye mesh screens, and the second layer uses 200 eye mesh screens.All product introduction downstream.
13. packagings: product secondary pollution and oxidation are avoided in acting as of packaging, convenient storage and transport.Use vacuum packing machine to pack, adopt vacuum packaging shell to avoid product to contact with air as far as possible, prevent product to be oxidized, extend shelf life of products.Vacuum packing machine model is determined according to treating capacity to process 6000 tons of cadmias the moon, coordinates above-mentioned flow process, uses NT-850 vacuum packing machine to pack.Be finished product after packaging.
Embodiment of the present utility model just introduces its detailed description of the invention, does not lie in and limits its protection domain.The technical staff of the industry can make some amendment under the inspiration of the present embodiment, therefore all equivalences done according to the utility model the scope of the claims change or modify, and all belong within the scope of the utility model Patent right requirement.
Claims (7)
1. a secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line, it is characterized in that: comprise the feeding warehouse (1) set gradually, reciprocating sieve (3), vertical hammer-crusher (5), magnetic separation belt (6), first single storehouse ball mill (7), first wet type half counter-current magnetic separator (8), first precipitating type grader (9), second single storehouse ball mill (10), second wet type half counter-current magnetic separator (11), second precipitating type grader (12), vibrated and dehydrated device (13), dry kiln (15), swinging hydrogen reducing furnace (17), three-D reciprocating sieve (19) and discharging bin (21).
2. secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line according to claim 1, it is characterized in that: the lower end first material-conveying belt (2) of described feeding warehouse (1), first material-conveying belt (2) is obliquely installed, its rear end extends to reciprocating sieve (2) top, and material is sent in reciprocating sieve (2) and sieves, the rear end of reciprocating sieve (2) is provided with the second material-conveying belt (4), the rear end of the second material-conveying belt (4) extends to the top of vertical hammer-crusher (5), and the material after shaking-sieving is passed to vertical hammer-crusher (5).
3. secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line according to claim 2, it is characterized in that: the bottom of described vertical hammer-crusher (5) is provided with magnetic separation belt (6), the material after vertical hammer-crusher (5) carries out fragmentation falls on magnetic separation belt (6) and carries out dry magnetic separation; The rear end of magnetic separation belt (6) extends on first single storehouse ball mill (7), carries out ball milling; Above-mentioned first wet type half counter-current magnetic separator (8) comprises two, two first wet type half counter-current magnetic separators (8) are successively set on the rear end in first single storehouse ball mill (7), to carry out magnetic separation to the material after ball milling, remove the part of not ferric charge; The rear end of the first wet type half counter-current magnetic separator (8) is provided with the first precipitating type grader (9).
4. secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line according to claim 3, it is characterized in that: the first described precipitating type grader (9) carries out gravity treatment to the material after magnetic separation, to improve the content of Fe, and to dewater to material; The rear end of the first precipitating type grader (9) is provided with second single storehouse ball mill (10).
5. secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line according to claim 4, it is characterized in that: ball milling is carried out to the material after gravity treatment in described second single storehouse ball mill (10), the rear end in second single storehouse ball mill (10) sets gradually two the second wet type half counter-current magnetic separators (11), to carry out magnetic separation to the material after ball milling, remove the part of not ferric charge; The rear of the second wet type half counter-current magnetic separator (11) arranges the second precipitating type grader (12), to carry out gravity treatment to the material after magnetic separation, to improve the content of Fe, and dewaters to material.
6. secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line according to claim 5, it is characterized in that: below the rear end of the second described precipitating type grader (12), vibrated and dehydrated device (13) is set, to carry out predrainage to material; The rear end of vibrated and dehydrated device (13) is provided with the 3rd material-conveying belt (14), and the material after predrainage is passed in dry kiln (15) by the 3rd material-conveying belt (14), carries out drying and dehydrating; The rear end of dry kiln (15) is provided with the 4th material-conveying belt (16), and material is passed to swinging hydrogen reducing furnace (17) by the 4th material-conveying belt.
7. secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line according to claim 6, it is characterized in that: described swinging hydrogen reducing furnace (17) reduces to the material after dehydration, the rear end of swinging hydrogen reducing furnace (17) arranges the 5th material-conveying belt (18), material after reduction is passed in three-D reciprocating sieve (19) and sieves by the 5th material-conveying belt (18), three ranks are divided to sieve by granular size material, material after screening is passed in discharging bin (21) by the 6th material-conveying belt (20) and stores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377104.XU CN204094147U (en) | 2014-07-09 | 2014-07-09 | A kind of secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377104.XU CN204094147U (en) | 2014-07-09 | 2014-07-09 | A kind of secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204094147U true CN204094147U (en) | 2015-01-14 |
Family
ID=52262617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420377104.XU Expired - Fee Related CN204094147U (en) | 2014-07-09 | 2014-07-09 | A kind of secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204094147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174861A (en) * | 2014-07-09 | 2014-12-03 | 邱建彪 | Comprehensive recycling process of second zinc oxide rotary kiln tailings and production line of comprehensive recycling process |
-
2014
- 2014-07-09 CN CN201420377104.XU patent/CN204094147U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174861A (en) * | 2014-07-09 | 2014-12-03 | 邱建彪 | Comprehensive recycling process of second zinc oxide rotary kiln tailings and production line of comprehensive recycling process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105597915B (en) | The wide dual Jie's whole coarse slime separating process of grade can be achieved in one kind | |
| CN100569381C (en) | The iron-removing concentrating process of potassic feldspar | |
| CN106587116B (en) | A kind of method for extracting lithium carbonate and aluminium hydroxide using lepidolite and flyash | |
| CN101693928B (en) | Method for purifying primarily selected slag steel | |
| CN104028358B (en) | A kind of Bed for Fine Coal microwave-medium strengthening magnetic separation clean system and technique | |
| CN105293530B (en) | A kind of powder desalinization of soil by flooding or leaching production method and device | |
| CN102069033A (en) | Method for separating and extracting feldspar ore with complex impurity components | |
| CN106179717A (en) | A kind of full level of thermal coal is selected in simplified heavy medium sorting process | |
| CN104174861A (en) | Comprehensive recycling process of second zinc oxide rotary kiln tailings and production line of comprehensive recycling process | |
| CN103041904A (en) | Steel slag powder producing method employing roller press | |
| CN103045777A (en) | Dry processing technique for iron-containing steel slag | |
| CN103752593A (en) | Process for selecting and recovering heavy metal substances in domestic garbage incineration slag | |
| CN109734335A (en) | A method of high-quality steel-making slag powder is produced based on steel slag modifying agent | |
| CN105921258A (en) | Method for impurity removal and whitening of potassium feldspar | |
| CN100569963C (en) | A kind of method of purification of granular slag steel | |
| CN203695205U (en) | Spodumene beneficiation production line | |
| CN103316764B (en) | A kind of method that reclaims titanium dioxide from titanium dioxide acid hydrolysis body refuse | |
| CN106116196A (en) | A kind of vertical mill grinding slag, lithium slag composite powder production method | |
| CN204094147U (en) | A kind of secondary zinc oxide rotary kiln tailings comprehensive cyclic utilization produce line | |
| CN106116195A (en) | A kind of vertical mill grinding slag, lithium slag add modifying agent composite powder production method | |
| CN105344473B (en) | The coal mine roof plate aluminium shale processing kaolinic method of sorting | |
| CN209989272U (en) | System for preparing magnesium oxide from low-grade magnesite | |
| CN216337329U (en) | Overhaul slag ash recovery device | |
| CN210001883U (en) | device for producing iron concentrate powder by using red mud | |
| CN103230831A (en) | Processing and utilizing method for extracting carbon and iron from blast furnace metallurgy dust and sludge |
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: 20150114 Termination date: 20170709 |