CN105403036A - Red mud titanium-extraction roasting equipment - Google Patents
Red mud titanium-extraction roasting equipment Download PDFInfo
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- CN105403036A CN105403036A CN201510961201.2A CN201510961201A CN105403036A CN 105403036 A CN105403036 A CN 105403036A CN 201510961201 A CN201510961201 A CN 201510961201A CN 105403036 A CN105403036 A CN 105403036A
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- cylindrical shell
- rotary kiln
- cooling
- water
- cylinder
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Classifications
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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
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/02—Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
- C22B34/1218—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by dry processes
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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
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/38—Arrangements of cooling devices
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- 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
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
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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
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/02—Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type
- F27B2007/022—Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type the drum having a non-uniform section along its length
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- 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
- F27M2003/03—Calcining
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses red mud titanium-extraction roasting equipment. The equipment comprises a variable-diameter rotary kiln and a water cooling cylinder, wherein the variable-diameter rotary kiln comprises a variable-diameter cylinder body which is mounted on a riding wheel device and driven through a transmission device; the variable-diameter cylinder body is composed of a feeding area cylinder body, a roasting area cylinder body and a burning area cylinder body; the diameter of the roasting area cylinder body is larger than the diameters of the feeding area cylinder body and the burning area cylinder body; the front end of the feeding area cylinder body is connected with the feeding opening of the rotary kiln, a self-driving hammer is arranged at the outer part of the roasting area cylinder body, and the tail end of the roasting area cylinder body is connected with the discharging opening of the rotary kiln; the water cooling cylinder is in an interlayer sleeve type structure externally provided with a water cooling sleeve, and a scraping plate is arranged on the inner wall of the water cooling cylinder; the feeding opening of the cooling cylinder is connected with the discharging opening of the rotary kiln, a cooling water inlet is formed in the discharging end of the water cooling sleeve, and a cooling water outlet is formed in the feeding end of the water cooling sleeve; the water cooling cylinder is mounted on the riding wheel device. The red mud titanium-extraction roasting equipment is easy to operate, the desilicication and titanium-extraction effects of red mud roasting are good, roasting and cooling are integrated, and the usage rate of cooling water recycling equipment is high.
Description
Technical field
The invention belongs to roasting apparatus technical field, be specifically related to a kind of red mud and carry titanium roasting apparatus.
Background technology
Red mud is a kind of secondary mineral resources containing multiple rare precious metals such as titanium, scandium, vanadium, and wherein the grade of titanium dioxide is 4% ~ 15%.At present, the method extracting titanium dioxide from red mud mainly sulfuric acid directly leaches-solvent extraction-hydrolysis calcination process (Agatzini, L.S., Oustadakis, P., Tsakiridis, P.E., etal.Titaniumleachingfromredmudbydilutedsulfuricacidatat mosphericpressure [J] .JournalofHazardousMaterials, 2008,157:579-586; Zhu Guohai, Wang Keqin, Wanghao, etc. sulfuric acid leaching red mud slag reclaims the research [J] of titanium dioxide. non-ferrous metal (Smelting Part), 2012,7:23-26; Zhang Guiqing, Zhang Qixiu, Zhou Kanggen, wait the research [J] of the titanium-extraction parameters in .N1923 extraction and recovery titanium dioxide hydrolysis spent acid. mining metallurgical engineering, 2002,22 (3): 86-88; Liang Huanlong, Zhu Tingjian, Fan Yanjin, etc. low concentration titanium hydrolysis prepares the research [J] of metatitanic acid. non-ferrous metal (Smelting Part), 2014,7:25-27).It is large to there is sulfuric acid consumption in this process, the defect that in leachate, the impurity content such as silicon, aluminium, iron, calcium is high.
The patent application that Chinese Patent Application No. is " 201510360507.2 " proposes segmentation and leaches the method extracting high-purity titanium dioxide, wherein roasting operation is the main process removing the impurity such as silicon, aluminium, also be the committed step affecting final products grade of titanium dioxide and impurity content, this process need completes high-temperature roasting and water logging two operations, but do not relate to corresponding roasting apparatus, and suitable equipment choose be process conditions realize guarantee.
Summary of the invention
In order to provide one to be specially adapted to, Chinese Patent Application No. is " 201510360507.2 " to object of the present invention, name is called that the red mud of " a kind of red mud puies forward titanium technique " carries titanium roasting apparatus just, it is effective that this equipment operating is simple, red mud Desilication by roasting carries titanium, roasting-cooling integration, cooling water can recycle to water logging operation, and utilization rate of equipment and installations is high.
Object of the present invention realizes by following technique measures:
Red mud of the present invention is carried titanium roasting apparatus and is comprised reducing rotary kiln and cooling by water cylinder; Described reducing rotary kiln comprises the reducing cylindrical shell be arranged on by actuator drives on riding wheel apparatus; Described reducing cylindrical shell is made up of feed zone cylindrical shell, roast area cylindrical shell and firing zone cylindrical shell three sections, the diameter being positioned at the roast area cylindrical shell at middle part is greater than the diameter of feed zone cylindrical shell and firing zone cylindrical shell, and the front end of described feed zone cylindrical shell connects rotary kiln charging aperture, there are several from hammer in the outer setting of roast area cylindrical shell, connect rotary kiln discharging opening at the tail end of firing zone cylindrical shell; Described cooling by water cylinder is the isometrical cylindrical shell of the interlayer nested structure being equipped with water collar cylinder outward, the inwall of internal layer cylinder is provided with several material scraping plates, cooling cylinder charging aperture is directly connected with rotary kiln discharging opening, at the discharge end of water-cooled sleeve, cooling water inlet is set, arrange coolant outlet at the feed end of water-cooled sleeve, cooling cylinder discharging opening is directly connected with follow-up leaching equipment with coolant outlet; And described cooling by water cylinder is arranged on riding wheel apparatus and does gyration by actuator drives.
For providing the heater of thermal source to be arranged on rotary kiln discharge outlet for roast area in the present invention.
The wall thickness of the cylindrical shell of reducing described in the present invention is 15 ~ 20mm, and material is 316L stainless-steel sheet, and outer wall is laid with insulation material; The internal diameter of the feed zone cylindrical shell of described reducing cylindrical shell is 600 ~ 900mm, and length is 15 ~ 20m; The internal diameter of roast area cylindrical shell is 900 ~ 1200mm, and length is 15 ~ 20m; The internal diameter of firing zone cylindrical shell is 600 ~ 900mm, and length is 10 ~ 15m;
In described cooling by water cylinder, the internal diameter of internal layer cylinder is 300 ~ 450mm, and length is 40 ~ 60m, and internal layer cylinder wall thickness is 8 ~ 15mm; Internal diameter 500 ~ the 700mm of described water-cooled sleeve, wall thickness is 5 ~ 8mm; In described cooling by water cylinder, the material of internal layer cylinder and water-cooled sleeve is 304 stainless-steel sheets.
The thickness of described material scraping plate is 5 ~ 10mm, and length is 50 ~ 80mm, and width is 40 ~ 60mm, and material is 316L stainless-steel sheet, and the length direction between each material scraping plate is spaced apart 100mm ~ 200mm, and spaced radial is 30 ~ 60mm.
The described diameter from hammer is 304 stainless steel rebars of 10 ~ 20mm, and the bent angle of reinforcing bar is 60 ~ 90
o, be arranged on roast area cylindrical shell by articulated manner outside, can not move freely at the axial direction of rotary kiln, can rotate along with rotary kiln in the radial direction of rotary kiln and move.
Beneficial effect of the present invention is as follows:
Chemical composition main in red mud is titanium dioxide, aluminium oxide, silica, iron oxide and calcium oxide etc.Wherein silica is the main impurity of the rich titanium item position of impact and final titanium dioxide product quality.In red mud, silica is removed by alkaline process roasting-water logging operation, and in this technical process, the titanium in red mud can be present in rich titanium material with the titanate solid-state form of sodium.In order to titanium effect is put forward in the desiliconization obtained, red mud needs roasting time long, and material fluidity is good, material loosening after roasting, and after roasting, material leaches in 70 ~ 100 DEG C of water.The present invention carries out roasting by reducing rotary kiln to red mud, and roast area cylinder internal diameter is large, and residence time of material is long, need not adjust the effect that rotary kiln inclination angle and rotating speed just can reach long-time roasting.In addition, red mud and alkali generation chemical reaction in roasting process, material melts easy adhesion rotary kiln inwall, fixing and can not move at axial direction through fixture from hammer in the present invention, but radial direction along with rotary kiln turn to highest point after can knock rotary kiln outer wall voluntarily, shoot down the material sticked on rotary kiln inwall, reach the effect that material fluidity is good.Temperature of charge after roasting can reach 300 ~ 400 DEG C, not easily directly leach, need through cooling processing, be different from common air-cooled operation, cooling by water cylinder in the present invention can realize the cooling procedure of material, and after cooling, temperature of charge is 100 ~ 150 DEG C, and cooling water temperature after cooling material reaches 60 ~ 90 DEG C simultaneously, can directly as the leaching agent of water logging process, leaching process is without the need to heating.In addition, in cooling by water cylinder, material scraping plate is set, also can be fully loose by material.
Therefore, the present invention have simple to operate, that red mud Desilication by roasting carries titanium is effective, roasting-cooling integration, cooling water can recycle to water logging operation, the feature that utilization rate of equipment and installations is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structure chart from hammer.
Fig. 3 is the installation site schematic diagram (axis) from hammer.
Fig. 4 is the operation principle schematic diagram (i.e. the side view of Fig. 3) from hammer.
In figure, sequence number illustrates: 1, rotary kiln charging aperture, 2, reducing rotary kiln, 3, riding wheel apparatus, 4, from hammer, 5, transmission device, 6, rotary kiln discharging opening, 7,8, cooling cylinder charging aperture, 9, coolant outlet, 10, cooling by water cylinder, 11, water-cooled sleeve, 12, material scraping plate, 13, cooling cylinder discharging opening, 14, cooling water inlet, A, feed zone cylindrical shell, B, roast area cylindrical shell, C, firing zone cylindrical shell, D, shoot down district from hammer, N, rotary kiln rotation direction.
Detailed description of the invention
The present invention is further described below with reference to embodiment (accompanying drawing).
embodiment 1
As shown in Figure 1, red mud of the present invention is carried titanium roasting apparatus and is comprised reducing rotary kiln 2 and cooling by water cylinder 10; Described reducing rotary kiln 2 comprises the reducing cylindrical shell being arranged on and riding wheel apparatus 3 is driven by transmission device 5; Described reducing cylindrical shell is made up of feed zone cylindrical shell A, roast area cylindrical shell B and firing zone cylindrical shell C tri-sections, the diameter being positioned at the roast area cylindrical shell B at middle part is greater than the diameter of feed zone cylindrical shell A and firing zone cylindrical shell C, and the front end of described feed zone cylindrical shell A connects rotary kiln charging aperture 1, have several from hammer 4 in the outer setting of roast area cylindrical shell B, the tail end of firing zone cylindrical shell C connects rotary kiln discharging opening 6; Described cooling by water cylinder 10 is the isometrical cylindrical shell of the interlayer nested structure being equipped with water collar cylinder 11 outward, the inwall of internal layer cylinder is provided with several material scraping plates 12, cooling cylinder charging aperture 8 and rotary kiln discharging opening 6) be directly connected, at the discharge end of water-cooled sleeve 11, cooling water inlet 14 is set, arrange coolant outlet 9 at the feed end of water-cooled sleeve 11, cooling cylinder discharging opening 13 is directly connected with follow-up leaching equipment with coolant outlet 9; And described cooling by water cylinder 10 be arranged on riding wheel apparatus 3 by transmission device 5 drive do gyration.
For providing the heater 7 of thermal source for roast area in the present invention) be arranged on rotary kiln discharging opening 6 place.
The wall thickness of the cylindrical shell of reducing described in the present invention is 15 ~ 20mm, and material is 316L stainless-steel sheet, and outer wall is laid with insulation material; The internal diameter of described feed zone cylindrical shell is 750 ~ 900mm, and length is 15 ~ 20m; The internal diameter of roast area cylindrical shell is 1050 ~ 1200mm, and length is 15 ~ 20m; The internal diameter of firing zone cylindrical shell is 750 ~ 900mm, and length is 10 ~ 15m;
In described cooling by water cylinder 10, the internal diameter of internal layer cylinder is 400 ~ 450mm, and length is 40 ~ 60m, internal layer cylinder wall thickness 8 ~ 15mm; The internal diameter of described water-cooled sleeve 11 is 600 ~ 700mm, and wall thickness is 5 ~ 8mm; Material is 304 stainless-steel sheets.
The thickness of described material scraping plate 12 is 5 ~ 10mm, and length is 50 ~ 80mm, and width is 40 ~ 60mm, and material is 316L stainless-steel sheet, and the length direction between each material scraping plate is spaced apart 100mm ~ 200mm, and spaced radial is 30 ~ 60mm.
As shown in Figure 2,3, 4, the described diameter from hammer 4 is 304 stainless steel rebars of 10 ~ 20mm, and the bent angle of reinforcing bar is 60 ~ 90
o, be arranged on the outside of roast area cylindrical shell B by articulated manner, can not move freely at the axial direction of rotary kiln, can rotate along with rotary kiln in the radial direction of rotary kiln and move.After rotary kiln turns to highest point, rotary kiln outer wall can be knocked voluntarily from hammer 4, shoot down the material sticked on rotary kiln inwall, reach the effect that material fluidity is good.
The red mud treating capacity of this equipment is more than 15t/h, and the desiliconization rate of red mud is more than 93%, and in Ti-enriched slag, the grade of titanium dioxide is more than 65%.
embodiment 2
The present embodiment is except following technical parameter, and all the other are with embodiment 1:
The cylindrical shell of reducing rotary kiln 2 is welded by feed zone cylindrical shell A, roast area cylindrical shell B and firing zone cylindrical shell C tri-sections, and wherein the internal diameter of feed zone cylindrical shell A is 600 ~ 750mm, and length is 15 ~ 20m; The internal diameter of roast area cylindrical shell B is 900 ~ 1050mm, and length is 15 ~ 20m; The internal diameter of firing zone cylindrical shell C is 600 ~ 750mm, and length is 10 ~ 15m.
Internal layer cylinder in cooling by water cylinder 10 is internal diameter is 300 ~ 400mm, length is the latus rectum cylindrical shell of 40 ~ 60m, in inner barrel, material scraping plate 12 is set, cooling cylinder charging aperture 8 is directly connected with rotary kiln discharging opening 6, it is 500 ~ 600mm that cylindrical shell outer end arranges internal diameter, and length is the water-cooled sleeve 11 of 40 ~ 60m.
The red mud treating capacity of this equipment is more than 12t/h, and the desiliconization rate of red mud is 96%, and in Ti-enriched slag, the grade of titanium dioxide is more than 70%.
This detailed description of the invention adopts reducing rotary kiln 2 pairs of red muds to carry out roasting, and roast area cylindrical shell B internal diameter is large, and residence time of material is long, need not adjust the effect that rotary kiln inclination angle and rotating speed just can reach long-time roasting.Roasting process generation chemical reaction causes material melts easy adhesion rotary kiln inwall, can knock rotary kiln outer wall voluntarily, shoot down the material sticked on rotary kiln inwall, reach the effect that material fluidity is good from hammer 4 at rotary kiln rotation process.Temperature of charge after roasting can reach 300 ~ 400 DEG C, not easily directly leach, need through cooling processing, cooling by water cylinder 10 can realize the cooling of material, and after cooling, temperature of charge is 100 ~ 150 DEG C, and cooling water temperature after cooling can reach 60 ~ 90 DEG C simultaneously, can directly as the leaching agent of water logging process, leaching process, without the need to heating, arranges material scraping plate 12 in cooling by water cylinder 10 simultaneously, also can be fully loose by material.The desiliconization rate of red mud reaches more than 93%, and in Ti-enriched slag, the grade of titanium dioxide reaches more than 65%.
Therefore, this equipment have simple to operate, that red mud Desilication by roasting carries titanium is effective, roasting-cooling integration, cooling water can recycle to water logging operation, the feature that utilization rate of equipment and installations is high.
Claims (6)
1. red mud carries a titanium roasting apparatus, it is characterized in that: described roasting apparatus comprises reducing rotary kiln and cooling by water cylinder; Described reducing rotary kiln comprises the reducing cylindrical shell be arranged on by actuator drives on riding wheel apparatus; Described reducing cylindrical shell is made up of feed zone cylindrical shell, roast area cylindrical shell and firing zone cylindrical shell three sections, the diameter being positioned at the roast area cylindrical shell at middle part is greater than the diameter of feed zone cylindrical shell and firing zone cylindrical shell, and the front end of described feed zone cylindrical shell connects rotary kiln charging aperture, have several from hammer in the outer setting of roast area cylindrical shell, the tail end of firing zone cylindrical shell connects rotary kiln discharging opening; Described cooling by water cylinder is the isometrical cylindrical shell of the interlayer nested structure being equipped with water collar cylinder outward, the inwall of internal layer cylinder is provided with several material scraping plates, cooling cylinder charging aperture is directly connected with rotary kiln discharging opening, at the discharge end of water-cooled sleeve, cooling water inlet is set, arrange coolant outlet at the feed end of water-cooled sleeve, cooling cylinder discharging opening is directly connected with follow-up leaching equipment with coolant outlet; And described cooling by water cylinder is arranged on riding wheel apparatus and does gyration by actuator drives.
2. red mud according to claim 1 carries titanium roasting apparatus, it is characterized in that: be arranged on rotary kiln discharge outlet for providing the heater of thermal source for roast area.
3. red mud according to claim 1 carries titanium roasting apparatus, it is characterized in that: the wall thickness of described reducing cylindrical shell is 15 ~ 20mm, and material is 316L stainless-steel sheet, and outer wall is laid with insulation material; The internal diameter of the feed zone cylindrical shell of described reducing cylindrical shell is 600 ~ 900mm, and length is 15 ~ 20m; The internal diameter of roast area cylindrical shell is 900 ~ 1200mm, and length is 15 ~ 20m; The internal diameter of firing zone cylindrical shell is 600 ~ 900mm, and length is 10 ~ 15m.
4. red mud according to claim 1 carries titanium roasting apparatus, it is characterized in that: in described cooling by water cylinder, the internal diameter of internal layer cylinder is 300 ~ 450mm, and length is 40 ~ 60m, and internal layer cylinder wall thickness is 8 ~ 15mm; The internal diameter of described water-cooled sleeve is 500 ~ 700mm, and wall thickness is 5 ~ 8mm; In described cooling by water cylinder, the material of internal layer cylinder and water-cooled sleeve is 304 stainless-steel sheets.
5. red mud according to claim 1 carries titanium roasting apparatus, it is characterized in that: the thickness of described material scraping plate is 5 ~ 10mm, length is 50 ~ 80mm, width is 40 ~ 60mm, material is 316L stainless-steel sheet, length direction between each material scraping plate is spaced apart 100mm ~ 200mm, and spaced radial is 30 ~ 60mm.
6. red mud according to claim 1 carries titanium roasting apparatus, it is characterized in that: the described diameter from hammer is 304 stainless steel rebars of 10 ~ 20mm, and the bent angle of reinforcing bar is 60 ~ 90
o, be arranged on roast area cylindrical shell by articulated manner outside, can not move freely at the axial direction of rotary kiln, can rotate along with rotary kiln in the radial direction of rotary kiln and move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961201.2A CN105403036A (en) | 2015-12-21 | 2015-12-21 | Red mud titanium-extraction roasting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961201.2A CN105403036A (en) | 2015-12-21 | 2015-12-21 | Red mud titanium-extraction roasting equipment |
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| Publication Number | Publication Date |
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| CN105403036A true CN105403036A (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510961201.2A Pending CN105403036A (en) | 2015-12-21 | 2015-12-21 | Red mud titanium-extraction roasting equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639430A (en) * | 2019-10-15 | 2020-01-03 | 宁夏洪腾科技开发有限公司 | Recarburizer granulating system for comprehensively utilizing fine powder of calcined coal furnace |
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| CN202171388U (en) * | 2011-07-15 | 2012-03-21 | 攀枝花泓兵钒镍有限责任公司 | Rotary kiln for smelting red soil nickel ores |
| CN104697324A (en) * | 2015-01-16 | 2015-06-10 | 广西泓达生物能源科技有限公司 | Multi-section rotary kiln for petroleum coke |
| CN204421705U (en) * | 2014-12-12 | 2015-06-24 | 江苏安达环保科技有限公司 | A kind of swinging water chiller |
| CN204757653U (en) * | 2015-06-30 | 2015-11-11 | 常州市建林五金厂 | Splashproof rotary kiln |
| CN205262165U (en) * | 2015-12-21 | 2016-05-25 | 河南理工大学 | Titanium roasting apparatus is carried to red mud |
-
2015
- 2015-12-21 CN CN201510961201.2A patent/CN105403036A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1834963A (en) * | 1928-07-23 | 1931-12-08 | Allis Chalmers Mfg Co | Process of producing cement |
| CN101566347A (en) * | 2009-05-22 | 2009-10-28 | 徐州燃控科技股份有限公司 | Helical tube panel roller slag cooler |
| CN202171388U (en) * | 2011-07-15 | 2012-03-21 | 攀枝花泓兵钒镍有限责任公司 | Rotary kiln for smelting red soil nickel ores |
| CN204421705U (en) * | 2014-12-12 | 2015-06-24 | 江苏安达环保科技有限公司 | A kind of swinging water chiller |
| CN104697324A (en) * | 2015-01-16 | 2015-06-10 | 广西泓达生物能源科技有限公司 | Multi-section rotary kiln for petroleum coke |
| CN204757653U (en) * | 2015-06-30 | 2015-11-11 | 常州市建林五金厂 | Splashproof rotary kiln |
| CN205262165U (en) * | 2015-12-21 | 2016-05-25 | 河南理工大学 | Titanium roasting apparatus is carried to red mud |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639430A (en) * | 2019-10-15 | 2020-01-03 | 宁夏洪腾科技开发有限公司 | Recarburizer granulating system for comprehensively utilizing fine powder of calcined coal furnace |
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Application publication date: 20160316 |
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