CN106766870A - A kind of high-efficient metallurgical rotary kiln for processing lead-zinc - Google Patents
A kind of high-efficient metallurgical rotary kiln for processing lead-zinc Download PDFInfo
- Publication number
- CN106766870A CN106766870A CN201710144865.9A CN201710144865A CN106766870A CN 106766870 A CN106766870 A CN 106766870A CN 201710144865 A CN201710144865 A CN 201710144865A CN 106766870 A CN106766870 A CN 106766870A
- Authority
- CN
- China
- Prior art keywords
- kiln
- kiln body
- rotary kiln
- revolution
- blast
- 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.)
- Pending
Links
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 239000000567 combustion gas Substances 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 28
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910020218 Pb—Zn Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
-
- 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 specially adapted for rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The present invention relates to a kind of high-efficient metallurgical rotary kiln for processing lead-zinc, belong to the structure design and application field of colored metallurgical industrial equipment, the high-efficient metallurgical rotary kiln of described treatment lead-zinc includes that revolution kiln body, charging aperture, blast apparatus, blast pipe, heat exchanger, hot blast add mouth, discharging opening, exhanst gas outlet, revolution kiln body support roller, revolution kiln body mechanical driving, warm-air pipe；The present invention increases heat exchanger outside reducing zone, the air of blast apparatus output is heated to 500 DEG C or so, in heating kiln while material by heat exchanger, there is provided the air in kiln needed for reaction, so as to ensure that reducing zone temperature reaches 1,200 1300 DEG C, it is ensured that reaction is normally carried out；And; gas nozzle is provided with rotary kiln end position; if reducing zone temperature does not reach 1,200 1300 DEG C; gas nozzle can be lighted to be heated; so that it is guaranteed that the temperature of reducing zone; ensure material in the effective volatiling reaction in reducing zone, while reducing material knot kiln in kiln, extend the production cycle of rotary kiln.
Description
Technical field
The invention belongs to the structure design and application field of colored metallurgical industrial equipment, specifically, it is related to a kind for the treatment of
The high-efficient metallurgical rotary kiln of lead-zinc.
Background technology
Rotary kiln refers to rotary calcining kiln（It is commonly called as rotary kiln）, rotary kiln by treatment material difference can be divided into cement kiln, metallurgy
Chemical industry kiln and limekiln.In nonferrous metallurgy, it can be common that using kiln to the ores such as the metals such as lead, zinc, concentrate, intermediate
Etc. being sintered, calcination process.
At present, it is during treatment lead zinc oxidation lead and zinc ores to use kiln more.Its process is to aoxidize lead, zinc
Ore deposit and coke powder, raw coal etc. are carried out in dispensing addition rotary kiln, and coke powder, raw coal combustion produce substantial amounts of heat and CO gas,
Make to be kept in stove valuable metal quilts from its oxide such as temperature and certain reducing atmosphere higher, lead, zinc, germanium in material
It is reduced into metal vapors and evaporates into stove upper space, is aoxidized by the carbon dioxide or oxygen in stove again, metal oxidation
Thing is collected into dust collecting system together with flue dust form with flue gas.What is be widely used at present is tradition revolution stove, its stove
Preheating zone temperature is between 600-680 DEG C, reaction zone temperature is between 900-1000 DEG C.Stove thermal effect fails performance very well.Thing
Valuable metal in material can not obtain effectively volatilization and reclaim.
The content of the invention
In order to overcome problem present in background technology, the present invention to propose a kind of high-efficient metallurgical for processing lead-zinc
Rotary kiln, hot air apparatus is increased on the basis of conventional metallurgical rotary kiln, using the heat of rotary kiln itself output by air blast
The high-pressure blast of equipment output is heated to 500 DEG C or so, changes traditional rotary kiln and uses 20-30 DEG C of normal temperature to press high-pressure blast thermal effect low
Deficiency.Meanwhile, less than 1200 DEG C it is to light gas injection in rotary kiln temperature in rotary kiln head position increase gas nozzle
Mouth is heated, and effectively can be improved between 1200-1300 DEG C the reducing zone temperature in kiln, is made in kiln
Zinc in material fully volatilizees and reacts so as to effectively be reclaimed under the high temperature conditions, changes traditional rotary kiln and relies only on and matches somebody with somebody
The defect that coal or Jiao in raw material are heated.
To achieve the above object, the present invention is achieved through the following technical solutions：
The high-efficient metallurgical rotary kiln of described treatment lead-zinc includes revolution kiln body 1, charging aperture 2, blast apparatus 3, air intake
Pipe 4, heat exchanger 5, hot blast add mouth 6, discharging opening 9, exhanst gas outlet 10, revolution kiln body support roller 11, revolution kiln body machinery to pass
Dynamic component 12, warm-air pipe 14, described revolution kiln body 1 may be rotatably mounted in revolution kiln body support roller 11, turn round kiln body 1 and return
Rotary kiln body mechanical driving 12 is connected, and cooling zone 15, reducing zone 16, preheating zone are in turn divided into the firing chamber for turning round kiln body 1
17, heat exchanger 5 is provided with outside the reducing zone 16 for turning round kiln body 1, the air inlet of heat exchanger 5 passes through blast pipe 4 and air blast
Equipment 3 is connected, and the air outlet of heat exchanger 5 adds mouth 6 to be connected by warm-air pipe 14 and hot blast, and hot blast adds mouth 6 to be arranged on back
The kiln hood position of rotary kiln body 1, is provided with charging aperture 2 in the front end side wall for turning round kiln body 1, turn round kiln body（1）Rear end bottom set
There is discharging opening 9.
Gas nozzle 7 is provided with the kiln hood position of revolution kiln body 1, gas nozzle 7 connects with the gas pipeline 8 for connecting combustion gas
Connect.
Beneficial effects of the present invention：
1）Heat exchanger is increased outside rotary kiln kiln body reducing zone, be heated to for the air of blast apparatus output by heat exchanger
500 DEG C or so, blasted from the Hot-blast Heating mouthful of rotary kiln head position, in heating kiln while material, there is provided in kiln needed for reaction
Air, so as to ensure that reduction temperature is reached between 1200-1300 DEG C, it is ensured that reaction be normally carried out.
2）Gas nozzle is provided with rotary kiln end position, needed for reducing zone temperature is not reached in rotary kiln body
During 1200-1300 DEG C of temperature, gas nozzle can be lighted and heated, so that it is guaranteed that reducing zone temperature in rotary kiln, it is ensured that
Material is in the effective volatiling reaction in reducing zone.Material knot kiln in rotary kiln is reduced simultaneously, extends the rotary kiln production cycle.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
In figure, 1- revolutions kiln body, 2- charging apertures, 3- blast apparatuses, 4- blast pipes, 5- heat exchangers, 6- hot blasts add mouth, 7- combustions
Gas jets, 8- gas pipelines, 9- discharging openings, 10- exhanst gas outlets, 11- revolution kiln bodies support roller, 12- revolution kiln body machine drivings
Component, 13- rotary kilns smoke-box, 14- warm-air pipes, 15- cooling zones, 16- reducing zones, 17- preheating zones.
Specific embodiment
Below in conjunction with the embodiment of the present invention and accompanying drawing, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
The present invention provides a kind of high-efficient metallurgical rotary kiln for processing lead-zinc, as shown in figure 1, described treatment oxidation
The high-efficient metallurgical rotary kiln of Pb-Zn deposits includes revolution kiln body 1, charging aperture 2, blast apparatus 3, blast pipe 4, heat exchanger 5, hot blast
Mouth 6, discharging opening 9, exhanst gas outlet 10, revolution kiln body support roller 11, revolution kiln body mechanical driving 12, warm-air pipe 14 are added,
Described revolution kiln body 1 may be rotatably mounted in revolution kiln body support roller 11, turn round kiln body 1 with revolution kiln body mechanical driving
12 connections, drive revolution kiln body 1 to rotate by turning round kiln body mechanical driving 12, realize the transmission of material in revolution kiln body 1.
Cooling zone 15, reducing zone 16, preheating zone 17 are in turn divided into the firing chamber for turning round kiln body 1, are turned round outside the reducing zone 16 of kiln body 1
Heat exchanger 5 is provided with, the air inlet of heat exchanger 5 is connected by blast pipe 4 with blast apparatus 3, the air outlet of heat exchanger 5
Mouth 6 is added to be connected by warm-air pipe 14 and hot blast, hot blast adds mouth 6 to be arranged on revolution kiln body 1 kiln hood position, and blast apparatus 3 is produced
Raw high-pressure blast is heated to form hot blast of the temperature at 500 DEG C or so through heat exchanger 5, and mouth 6 is added from hot blast by warm-air pipe 14
Add to the reducing zone 16 of rotary kiln.Material is still heated at 1200-1300 DEG C under hot blast effect, and gold is reduced in material
There is fierce oxidation reaction with the air in hot blast in category steam.Charging aperture 2 is provided with the front end side wall for turning round kiln body 1, is returned
Rotary kiln body（1）Rear end bottom be provided with discharging opening 9.
In the present invention, rotary kiln smoke-box 13, the top of rotary kiln smoke-box 13 are provided with the kiln tail of described revolution kiln body 1
Portion is provided with exhanst gas outlet 10, negative pressure is produced by setting rotary kiln smoke-box 13, in material in reduced metal steam and hot blast
Air reducing zone 16 occur fierceness oxidation reaction after, under the conditions of the suction function of rotary kiln smoke-box 13, with flue gas by
Exhanst gas outlet 10 enters concentrated dust collecting system, is reclaimed.
In the present invention, gas nozzle 7, gas nozzle 7 and the combustion for connecting combustion gas are provided with the kiln hood position of revolution kiln body 1
Feed channel 8 is connected, if the hot blast heated through heat exchanger 5, adds mouth 6 to add to revolution kiln body 1 from hot blast by warm-air pipe 14
Behind reducing zone 16, the temperature of reducing zone 16 does not reach required 1200-1300 DEG C, can open gas nozzle 7, is sprayed to reducing zone 16
Enter coal gas or natural gas, to ensure the temperature of rotary kiln between 1200-1300 DEG C, to ensure the gold such as the lead in material, zinc
Belong to and be reduced, volatilize and aoxidize generation metal oxide in the reducing zone 16 of revolution kiln body 1.
In the present invention, a length of 34-38 meters of kiln body 1 is turned round, it is a diameter of 2.2-2.4 meters；Wherein：Turn round the preheating of kiln body 1
The length of area 17 is 9-10 meters；The length of reducing zone 16 is 16-18 meters；The length of cooling zone 15 is 9-10 meters, turns round the kiln of kiln body 1
The gas nozzle 7 that head position is set can so spray under pressure to extending 0.5-1.3 meters in revolution kiln body 1 in combustion gas
Enter in reducing zone 16 burning to improve the temperature of reducing zone 16, meanwhile, also the material in preheating zone 17 is preheated.
In the present invention, the hot blast that the described kiln hood position of revolution kiln body 1 is provided with adds mouth 6 to extension in revolution kiln body 1
0.5-1.3 meters；So under Action of Wind pressure, hot blast adds mouth 6 to be injected to lifting reducing zone 16 in reducing zone 16 by hot blast
Temperature, meanwhile, the temperature of reducing zone 16 can also be preheated to the material of preheating zone 17.
In the present invention, the air blast blast of blast apparatus 3 is：29.4~35kPa, air blast air quantity is：90~100m3/
min。
Embodiment 1
After lead, Zinc oxide material and coke powder, raw coal etc. are carried out into mix, granulation in 1: 0.30~0.35 ratio, by
Charging aperture 2 is added in the preheating zone 17 of revolution kiln body 1, under the driving of revolution kiln body mechanical driving 12, turns round kiln body 1
In rotary course, coke powder, raw coal in material are constantly ignited burning in preheating zone 17, temperature of charge is risen to 680-700
Between DEG C.Revolution kiln body 1 is gradually conveyed material by rotation to high-temperature region, so material rotates constantly quilt with revolution kiln body 1
It is sent to reducing zone 16.The high-pressure blast that blast apparatus 3 is produced is heated into temperature by heat exchanger 5 using the heat of rotary kiln itself output
The hot blast at 500 DEG C or so is spent, then adds mouth 6 to add to the reducing zone 16 of rotary kiln from hot blast by warm-air pipe 14.In hot blast
The lower material of effect is still heated at 1200-1300 DEG C, and reduced metal steam occurs to swash with the air in hot blast in material
Strong oxidation reaction, with 13500 mark m under the conditions of the suction function of rotary kiln smoke-box 133/ when from kiln exhaust gas volumn with flue gas by
Exhanst gas outlet 10 enters dust collecting system, is reclaimed.Turning effort of the slag material remained in revolution kiln body 1 in revolution kiln body 1
Under be transported to after cooling zone 15 is cooled to 650~750 DEG C, discharged from the discharging opening 9 of revolution kiln body 1.
Embodiment 2
On the basis of embodiment 1, if the hot blast heated through heat exchanger 5, mouth 6 is added to add to back from hot blast by warm-air pipe 14
Behind the reducing zone 16 of rotary kiln body 1, the temperature of reducing zone 16 does not reach required 1200-1300 DEG C, can open gas nozzle 7, to
Reducing zone 16 sprays into coal gas or natural gas, to ensure the temperature of rotary kiln between 1200-1300 DEG C, with ensuring material
The metals such as lead, zinc are reduced, volatilize and aoxidize generation metal oxide in the reducing zone 16 of revolution kiln body 1.
The feature that is distinguished with traditional rotary kiln of the invention is：
1）Heat exchanger is increased outside rotary kiln kiln body reducing zone, be heated to for the air of blast apparatus output by heat exchanger
500 degree or so, blasted from the Hot-blast Heating mouthful of rotary kiln head position, in heating kiln while material, there is provided in kiln needed for reaction
Air, so as to ensure that reduction temperature is reached between 1200-1300 DEG C, it is ensured that reaction be normally carried out.
2）Gas nozzle is provided with rotary kiln end position, needed for reducing zone temperature is not reached in rotary kiln body
During 1200-1300 DEG C of temperature, gas nozzle can be lighted and heated, so that it is guaranteed that reducing zone temperature in rotary kiln, it is ensured that
Material is in the effective volatiling reaction in reducing zone.Material knot kiln in rotary kiln is reduced simultaneously, extends the rotary kiln production cycle.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment to be described in detail the present invention, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (6)
1. it is a kind of process lead-zinc high-efficient metallurgical rotary kiln, it is characterised in that：The height of described treatment lead-zinc
The metallurgical rotary kiln of effect includes revolution kiln body（1）, charging aperture（2）, blast apparatus（3）, blast pipe（4）, heat exchanger（5）, hot blast
Add mouth（6）, discharging opening（9）, exhanst gas outlet（10）, revolution kiln body support roller（11）, revolution kiln body mechanical driving（12）、
Warm-air pipe（14）, described revolution kiln body（1）May be rotatably mounted at revolution kiln body support roller（11）On, turn round kiln body（1）With return
Rotary kiln body mechanical driving（12）Connection, turns round kiln body（1）Firing chamber in be in turn divided into cooling zone（15）, reducing zone
（16）, preheating zone（17）, turn round kiln body（1）Reducing zone（16）Outside is provided with heat exchanger（5）, heat exchanger（5）Enter
Air port passes through blast pipe（4）With blast apparatus（3）Connection, heat exchanger（5）Air outlet pass through warm-air pipe（14）With hot blast plus
Entrance（6）Connection, hot blast adds mouth（6）It is arranged on revolution kiln body（1）Kiln hood position, turn round kiln body（1）Front end side wall on
It is provided with charging aperture（2）, turn round kiln body（1）Rear end bottom be provided with discharging opening（9）.
2. it is according to claim 1 it is a kind of process lead-zinc high-efficient metallurgical rotary kiln, it is characterised in that：Described
Revolution kiln body（1）Kiln tail at be provided with rotary kiln smoke-box（13）, rotary kiln smoke-box（13）Top be provided with exhanst gas outlet
（10）.
3. it is according to claim 1 it is a kind of process lead-zinc high-efficient metallurgical rotary kiln, it is characterised in that：In revolution
Kiln body（1）Kiln hood position be provided with gas nozzle（7）, gas nozzle（7）With the gas pipeline for connecting combustion gas（8）Connection.
4. it is according to claim 3 it is a kind of process lead-zinc high-efficient metallurgical rotary kiln, it is characterised in that：Rotary kiln
Body（1）The gas nozzle that kiln hood position is set（7）To revolution kiln body（1）Interior 0.5-1.3 meters of extension.
5. it is according to claim 1 it is a kind of process lead-zinc high-efficient metallurgical rotary kiln, it is characterised in that：Rotary kiln
Body（1）It is a length of 34-38 meters, it is a diameter of 2.2-2.4 meters；Wherein：Revolution kiln body（1）Preheating zone（17）Length is 9-10 meters；Also
Former area（16）Length be 16-18 meters；Cooling zone（15）Length be 9-10 meters.
6. it is according to claim 1 it is a kind of process lead-zinc high-efficient metallurgical rotary kiln, it is characterised in that：Described
Revolution kiln body（1）The hot blast that kiln hood position is provided with adds mouth（6）To revolution kiln body（1）Interior 0.5-1.3 meters of extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710144865.9A CN106766870A (en) | 2017-03-13 | 2017-03-13 | A kind of high-efficient metallurgical rotary kiln for processing lead-zinc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710144865.9A CN106766870A (en) | 2017-03-13 | 2017-03-13 | A kind of high-efficient metallurgical rotary kiln for processing lead-zinc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106766870A true CN106766870A (en) | 2017-05-31 |
Family
ID=58962522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710144865.9A Pending CN106766870A (en) | 2017-03-13 | 2017-03-13 | A kind of high-efficient metallurgical rotary kiln for processing lead-zinc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106766870A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270085A (en) * | 2020-04-08 | 2020-06-12 | 中国恩菲工程技术有限公司 | Smelting system and smelting method for low-grade lead-zinc oxide ore |
| CN111394570A (en) * | 2020-04-24 | 2020-07-10 | 湖南金马冶金技术开发有限公司 | External heating rotary furnace dearsenification device |
| CN112048625A (en) * | 2020-07-16 | 2020-12-08 | 云南驰宏锌锗股份有限公司 | Lead-zinc oxide ore recycling harmless treatment system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3986819A (en) * | 1975-05-13 | 1976-10-19 | Allis-Chalmers Corporation | Grate preheater kiln system |
| US4238187A (en) * | 1978-03-25 | 1980-12-09 | Messerschmitt-Bolkow-Blohm Gmbh | Waste heat recovery system |
| US4983214A (en) * | 1990-02-13 | 1991-01-08 | Zia Technology, Inc. | Method and apparatus for direct reduction of metal oxides |
| CN102011011A (en) * | 2010-09-19 | 2011-04-13 | 南京工业大学 | Recycling and processing method of low-lead-zinc waste slag |
| US20110108248A1 (en) * | 2009-11-10 | 2011-05-12 | Bittner Jeffrey J | Apparatus and method for heat recovery from rotary kilns |
| US20160153717A1 (en) * | 2013-06-04 | 2016-06-02 | Sichuan Ko Chang Technology Co., Ltd | Rotary kiln for reducing phosphate ore in kiln phosphoric acid process and method for solving ring forming in kiln tail in kiln phosphoric acid process |
-
2017
- 2017-03-13 CN CN201710144865.9A patent/CN106766870A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3986819A (en) * | 1975-05-13 | 1976-10-19 | Allis-Chalmers Corporation | Grate preheater kiln system |
| US4238187A (en) * | 1978-03-25 | 1980-12-09 | Messerschmitt-Bolkow-Blohm Gmbh | Waste heat recovery system |
| US4983214A (en) * | 1990-02-13 | 1991-01-08 | Zia Technology, Inc. | Method and apparatus for direct reduction of metal oxides |
| US20110108248A1 (en) * | 2009-11-10 | 2011-05-12 | Bittner Jeffrey J | Apparatus and method for heat recovery from rotary kilns |
| CN102011011A (en) * | 2010-09-19 | 2011-04-13 | 南京工业大学 | Recycling and processing method of low-lead-zinc waste slag |
| US20160153717A1 (en) * | 2013-06-04 | 2016-06-02 | Sichuan Ko Chang Technology Co., Ltd | Rotary kiln for reducing phosphate ore in kiln phosphoric acid process and method for solving ring forming in kiln tail in kiln phosphoric acid process |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270085A (en) * | 2020-04-08 | 2020-06-12 | 中国恩菲工程技术有限公司 | Smelting system and smelting method for low-grade lead-zinc oxide ore |
| CN111394570A (en) * | 2020-04-24 | 2020-07-10 | 湖南金马冶金技术开发有限公司 | External heating rotary furnace dearsenification device |
| CN112048625A (en) * | 2020-07-16 | 2020-12-08 | 云南驰宏锌锗股份有限公司 | Lead-zinc oxide ore recycling harmless treatment system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102875036B (en) | Heat storage type lime rotary kiln | |
| CN103058536B (en) | Heat-accumulation dividing-wall heating rotary kiln device | |
| CN207963507U (en) | A kind of coal base shaft furnace flue gas waste heat recovery system | |
| CN106766870A (en) | A kind of high-efficient metallurgical rotary kiln for processing lead-zinc | |
| CN101172652A (en) | Alum mine calcium method marching type roasting method and roasting furnace | |
| CN1644720A (en) | Oxygen-enriched zinc smelting method | |
| CN105043092A (en) | Manganese processing rotary kiln with gas furnace supplying heat | |
| CN112645289A (en) | Preparation device and preparation method of metal oxide | |
| CN103352128A (en) | Direct zinc-coal mixing cyclone burning type zinc oxide production system | |
| CN112460944A (en) | Horizontal rotary kiln | |
| CN206538348U (en) | A kind of active lime stone rotary kiln burning system | |
| CN206583285U (en) | A kind of high-efficient metallurgical rotary kiln for handling lead-zinc | |
| CN221971640U (en) | An integrated device for decarburization and oxidation roasting of stone coal type vanadium ore | |
| CN110160356B (en) | An externally heated airtight continuous rotary kiln | |
| CN106369994B (en) | Rotary kiln fluosolids roasting device and roasting technique | |
| CN203518553U (en) | Rotary kiln with thermal circulation function | |
| CN201250242Y (en) | Non-blast furnace ironmaking furnace | |
| CN205329129U (en) | Sectional type rotary kiln group | |
| CN205528948U (en) | Oxygen -enriched air roasting device of vanadium is carried to colm | |
| CN211689180U (en) | Gold extraction device by microwave rotary hearth furnace chlorination | |
| CN204151392U (en) | Vertical containing TiO2 slag reduction calciner | |
| CN109574521A (en) | General formula reheating magnesia process units and method in a kind of double mouth of calcining/roasting | |
| CN109055635A (en) | Injection method for improving pulverized coal combustion efficiency | |
| CN108910950B (en) | Method for preparing sodium chromate from chromite | |
| CN107663580A (en) | The system for preparing mineral pelletizing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |