CN201301289Y - Preparation system for metakaolin used for inorganic polymer gelled material - Google Patents
Preparation system for metakaolin used for inorganic polymer gelled material Download PDFInfo
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- CN201301289Y CN201301289Y CNU2008200488674U CN200820048867U CN201301289Y CN 201301289 Y CN201301289 Y CN 201301289Y CN U2008200488674 U CNU2008200488674 U CN U2008200488674U CN 200820048867 U CN200820048867 U CN 200820048867U CN 201301289 Y CN201301289 Y CN 201301289Y
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Abstract
The utility model discloses a preparation system for metakaolin used for inorganic polymer gelled material. The preparation system comprises a rotary furnace body, a transmission system, an oil burning system, a cooling system, a belt conveyor and a screw feeder, wherein the rotary furnace body consists of a feeding segment, a preheating segment, a high-temperature segment and a cooling segment that are communicated in sequence; burners are arranged at the latter half part of the preheating segment and the high-temperature segment outside the rotary furnace body, the burners are RIELLO RL-series oil burners, eight groups of burners are arranged totally, two groups are arranged at the 1/3 position that the preheating segment is near the high-temperature segment, and six groups are distributed at the high-temperature segment. For the preparation system, by the design and arrangement of the temperature areas of the feeding segment, the preheating segment, the high-temperature segment and the cooling segment as well as the temperature control for each temperature area, the metakaolin used for inorganic polymer gelled material with higher activity and stable quality is prepared, which has the characteristics of no pollution to product and environment, even burning temperature, accurate temperature control, simple technological operation, continuous running and the like.
Description
Technical field
The utility model relates to the preparation system of a kind of inorganic polymer gel material with metakaolin.Utilize the metakaolin of this systems produce to be mainly used in industries such as corrosion resistant material, high early-strength repairing reinforcement material and moulding stock.
Background technology
Kaolin is a kind of nonmetal clay mineral, is a kind of industrial raw material of widespread use through the metakaolin that makes after certain calcinating system calcining, and its granularity is the powder of micron or submicron order, and tap density is 0.6～0.8kg/m
3
Calcined kaolin has static calciners such as tunnel furnace, flame-guiding kiln, pushed bat kiln at present, the calcining kiln reduced investment of this several types, but the running cost height, and exist mostly that level of automation is low, the operational administrative trouble, labor strength is big, throughput is low, its temperature control difficulty is big, the inhomogeneous unstable product quality that causes of calcining temperature.Simultaneously sintering phenomenon is serious, must pulverize by secondary, and product is subjected to fuel and smoke pollution serious, the energy consumption height.Therefore, because these inherent limitations of static calcining manners, this kind equipment is usually used in producing coarse grained low grade products, the requirement of incompatible modernized scale operation.
The suitability for industrialized production metakaolin adopt in the pattern of fever rotary kiln, interior pattern of fever rotary kiln is meant a kind of rotary kiln that fuel directly heats with material and product mixed firing in tube.Though its investment is higher, but can be continuously produced, adopt computer control, mechanize, level of automation height, have that output is big, thermo-efficiency is high, quality is uniform and stable, advantages such as good operational environment, negative pressure operation and no dust pollution, also be usually used in metallurgical industry and the Cement industry.Because interior pattern of fever rotary kiln can only be in an end flame heating of stove, its temperature field skewness, and be difficult to control.And fuel flue gas and ash content sedimentation must cause the pollution to material.The metakaolin that aforesaid device makes mainly is to utilize its good stability, whiteness height, foreign matter content is low, light scattering property is good, be easy to disperse etc. characteristics as the pigment of industries such as rubber, makeup, coating, papermaking, pottery and multifunction additive etc. to reduce product cost.They to the specification of quality of metakaolin just fully dehydration generate rock steady structure such as mullite and get final product, common calcining temperature is higher, does not worry " burning " or " underburnt " phenomenon.And inorganic polymer gel material not only requires metakaolin to have certain fineness and whiteness with metakaolin, also must have certain " activity ", this highly active metakaolin is very high to the requirement of calcinating system, " burning " or " underburnt " phenomenon all will directly influence the activity of metakaolin, thereby interior pattern of fever rotary kiln is not suitable for preparing the inorganic polymer gel material metakaolin.
Outer pattern of fever rotary kiln is meant in the boiler tube outside boiler tube is heated, and by the heat exchange of boiler tube material is carried out the incinerating rotary kiln.Outer pattern of fever rotary kiln comprises revolution body of heater, transmission system, firing system, cooling system, rotary conveyor, screw feeder.Rotary conveyor is connected with screw feeder, screw feeder is connected with the revolution body of heater, at the revolution body of heater two support rollers are installed respectively, hold the revolution body of heater, material delivering plate plate and axial scraper plate are housed in the revolution body of heater, the driving motor of transmission system with by the axle be connected with pinion(gear), master wheel is fixed on the rotary furnace body periphery, with pinion; Firing system is made of combustion chamber, burner and temperature control device, and at the external shell that is provided with of rotary kiln, the combustion chamber is the liner of shell and the cavity between the revolution body of heater, is provided with cooling system in the back segment periphery of turning round body of heater, and cooling system is a water-circulating cooling device.
Existing outer pattern of fever rotary kiln mainly contains following several form, and one is characterized in that for the outer pattern of fever rotary kiln of resistance furnace that patent documentation CN1367365A introduces in the body of heater bottom resistance furnace being set heats body of heater; Its two outer hot rotary kiln of gas type of introducing for patent documentation CN2337497Y is characterized in that combustion gas sprays into from the bottom of furnace body tangential direction, and in the bottom some flues is housed, and stretches in the combustion zone, forms space crossed in the combustion zone with blast tube.Its three outer heating rotary kiln for patent documentation CN2317453Y introduction, it is mainly used in the burning carbon acid salt ore.
There is following shortcoming in the characteristics of comprehensive above several rotary kilns: 1, the electric power of the outer pattern of fever rotary kiln of resistance furnace causes product cost higher too greatly, and resistance furnace damages easily simultaneously, therefore is being difficult to promote the use of under the energy-intensive situation at present; 2, the area that lacks for combustion gas, the outer hot rotary kiln of gas type also can't use, and the inadequate phenomenon of fuel gas buring appears in this kind equipment easily simultaneously, causes energy dissipation and environmental pollution; 3, the outer heating rotary kiln of CN2317453Y introduction is not suitable for the calcining of powder material owing to the reason of structure design; 4, existing oil fuel burner all adopts the regular fuel tuyere arrangement, and the rate of combustion and the temperature-controlled precision of its fuel are relatively poor; 5, in the existing rotary kiln technology, all do not adopt effective dust arrester installation.
The utility model content
The purpose of this utility model is to overcome existing static calcining, interior pattern of fever rotary kiln and the above-mentioned shortcomings such as " underburnt ", " burning ", energy consumption height, poor product quality of outer pattern of fever rotary kiln at present, the preparation system of providing a kind of and burn till that active height of product, steady quality, energy consumption are low, the inorganic polymer gel material of heating oil type rotary kiln being used metakaolin outside the utilization of environmental protection.
The purpose of this utility model is achieved through the following technical solutions:
A kind of inorganic polymer gel material preparation system of metakaolin, comprise the revolution body of heater, transmission system, oil burning system, cooling system, rotary conveyor, screw feeder, rotary conveyor is connected with screw feeder, screw feeder is connected with the revolution body of heater, at revolution body of heater two ends two support rollers are installed respectively, hold the revolution body of heater, revolution body of heater pitch angle be 0 °～5 ° adjustable, material delivering plate plate and axial scraper plate are housed in the revolution body of heater, the driving motor of transmission system with by the axle be connected with pinion(gear), master wheel is fixed on rotary kiln on external week, with pinion; Oil burning system is made of combustion chamber, burner and temperature control device, at the external shell that is provided with of rotary kiln, the combustion chamber is the liner of shell and the cavity between the revolution body of heater, oil fuel burner is arranged in the combustion chamber of revolution body of heater both sides, temperature control device is to have preheating section and high temperature section independence temperature control, heating, the common closed loop control system of forming with PID regulatory function of measurement and control unit, back segment periphery at the revolution body of heater is provided with cooling system, and cooling system is a water-circulating cooling device; Described revolution body of heater is made up of feed zone, preheating section, high temperature section and cooling section that order is communicated with; The external side of rotary kiln latter half of at preheating section and high temperature section is provided with burner, and burner is the sharp refined road RL series oil fuel burner of Italy, has 8 groups, arranges 2 groups at preheating section near high temperature section 1/3 place, 6 groups of high temperature section uniform distribution.
The length ratio of described feed zone, preheating section, high temperature section and cooling section is preferably 1: 2: 4: 2.
Described preparation system also comprises manual handle, and manual handle is connected on the axle of pinion(gear).
Described preparation system also comprises water vapour dust separation system, and water vapour dust separation system comprises the housing that gathers dust, organizes resistant to elevated temperatures bag collection device, air compressor machine and blower fan more; The resistant to elevated temperatures bag collection device of many groups is arranged in the housing that gathers dust, and the housing that gathers dust links to each other with the venting port of revolution body of heater afterbody, and air compressor machine is arranged on the hull outside of gathering dust, and shell cavity is communicated with gathering dust; The blower fan shell cavity of gathering dust is communicated with, and is arranged on the hull outside top of gathering dust, and blower fan also is communicated with vapor pipe.
Described preparation system also comprises tube-type spiral conveyer, and tube-type spiral conveyer links to each other with the discharge port at revolution body of heater cooling section rear portion.
Kaolin is as follows with the chemical reaction that variation of temperature takes place in calcination process:
600 ℃～900 ℃: Al2O3.2SiO22H2O=Al2O3.2SiO2 (metakaolin)+2H2O
950 ℃～1050 ℃: 2Al2O3.2SiO2=2Al2O3.3SiO2 (aluminium silicon spinel)+SiO2 (amorphous)
Therefore, meet the metakaolin that inorganic polymer gel material is used, need the temperature and the material of preheating section, high temperature section and cooling section of firing system control rotary kiln as follows by the time of different warm area sections in order to make:
The preheating section temperature of a, control rotary kiln is 600～700 ℃ (or 500～600 ℃);
B, control high temperature section temperature are 800～850 ℃ (or 700～750 ℃), control material simultaneously by preheating section and high temperature section time, are preferably 60～90min;
C, the drop temperature by cooling system control material are 100～200 ℃, with the gas dirt that helps water vapour dust separation system separate, the normal operation and the material storage of spiral lifting system.
The utility model principle: material enters the back from kiln hood and be half suspension and the state that rolls in the kiln body, and advance to the kiln tail under the lower negative pressure environment in kiln, thereby calcination area through differing temps, by adjustment to rate of feeding, kiln body rotating speed, obliquity, lower negative pressure atmosphere and firing temperature, the control calcining materials is through the time of differing temps calcination area, to reach the calcining purpose.Water vapour in the kiln is by the negative pressure that the water vapour dust separation system at the kiln tail produces itself and material dust to be carried out discharging after the separating treatment.
Preparation system of the present utility model has following advantage:
1, temperature distribution is preheating section, high temperature section and cooling section in the stove, the calcination time and the calcination atmosphere of its material are adjustable, and material can be half suspended state in kiln simultaneously, and it is active high to burn till product, traditional technology " underburnt " or " burning " phenomenon can not appear in steady quality.
2, because fuel is light diesel, and combustion atmosphere does not directly contact with material, what adopt simultaneously is burner, sufficient combustion, and heat utilization efficiency is higher, to burning till material and environment all less than polluting, is specially adapted to produce the product that color is had relatively high expectations.
3, the lower negative pressure cloth bag water vapour dust separation system by being equipped with, making white that this production process is discharged " smog " all is due to the high-temperature vapor condensation, the discharging of its tail gas has reached Europe III discharge index.
4, the product granularity of Sheng Chaning is thin, whiteness is high, and can not introduce any new detrimental impurity, meets the specification of quality of inorganic polymer gel material with metakaolin fully.
5, production line adopts totally enclosed operation, no dust pollution, compliance with environmental protection requirements.
But 6 continous way productions are fit to heavy industrialization and use.
Description of drawings
Fig. 1 external-heat fuel combustion type of the present utility model rotary kiln external structure synoptic diagram.
Fig. 2 PID regulation system fundamental diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described, but the claimed scope of the utility model is not limited to the scope of embodiment statement.
As shown in Figure 1, inorganic polymer gel material comprises revolution body of heater 1, transmission system 2, oil burning system 3, cooling system 6 and water vapour dust separation system with the metakaolin preparation system, also comprises supplementary units such as rotary conveyor 4, screw feeder 5, tube-type spiral conveyer 7.
Revolution body of heater 1 is made up of feed zone 10, preheating section 11, high temperature section 12 and cooling section 13 that order is communicated with.The length ratio of feed zone 10, preheating section 11, high temperature section 12 and cooling section 13 is about 1: 2: 4: 2.The weldless steel tube that revolution body of heater 1 adopts high-temperature refractory steel to make is equipped with the material delivering plate plate in the feed zone 10, can be advanced to preheating section 11 to material fast, is provided with axial scraper plate in revolution body of heater 1 preheating section 11 and the high temperature section 12.
Transmission system 2 comprises reduction box 14, driving motor 15, pinion(gear) 16, master wheel 18, support roller 19 and manual handle 17, by two support rollers 19 being installed respectively at preheating section 11 and cooling section 13, hold revolution body of heater 1, revolution body of heater 1 pitch angle be 0 °～5 ° adjustable.Driving motor 15 connects by reduction box 14, and is connected with pinion(gear) 16 by axle, and master wheel 18 is fixed on feed zone 10 peripheries of rotary furnace body 1, with pinion(gear) 16 engagements.Manual handle 17 is connected on the axle of pinion(gear) 16.Driving motor 15 drives and is fixed on the master wheel 18 of feed zone 10 by reduction box 14 drive pinions 16, thereby revolution body of heater 1 is rotated.Electrodeless speed control by frequency variation is adopted in the rotation of transmission system 2 realization revolution bodies of heater 1, and rotating speed is adjustable continuously at 0～15rmp.Because manual handle 17 is connected on the axle of pinion(gear) 16, drives pinion(gear) 16 rotations by rotation manual handle 17 and can drive master wheel 18 rotations.Use during as emergency situatioies such as unexpected power failures, in case the distortion of kiln body local heating.
Oil burning system 3 oil burning systems are made of combustion chamber, burner and temperature control device.The external shell that is provided with of rotary kiln latter half of at preheating section and high temperature section, this shell adopt shaped steel and steel plate to be welded, and the liner of shell adopts heat preserving and insulating material to make.The combustion chamber is the liner of shell and the cavity between the revolution body of heater 1.Be provided with many group burners in the combustion chamber, burner is the sharp refined road RL series oil fuel burner of Italy, and this example has 8 groups.The layout of burner is according to the preparation technology of metakaolin the requirement of thermal regulation to be designed, specifically be that oil fuel burner is arranged in horizontal center line position on the lower side, body of heater both sides, wherein arrange 2 groups near high temperature section 1/3 place, 6 groups of high temperature section uniform distribution at preheating section.Top at preheating section 11 also is provided with chimney 20.Temperature control device is to have preheating section and high temperature section independence temperature control, heating, the common closed loop control system of forming with PID regulatory function of measurement and control unit, and its fuel is light diesel, and the rate of combustion of fuel reaches more than 99.5%, temperature-controlled precision can reach ± and 2 ℃.The closed loop control system of the existing PID of having regulatory function is the closed loop control system that parts such as controller, transmitter, transmitter, topworks, input/output interface are formed, and its principle as shown in Figure 2.The output of its middle controller is added on the controlled system through output interface, topworks, and the controlled volume of Controlling System passes through transmitter, transmitter again, gets back to controller again by input interface.That this system has is simple in structure, good stability, reliable operation, characteristics such as easy to adjust.What this system adopted simultaneously is the recording instrument without paper record, can have in real time and historic records curve and data sheet, at any time on time between span inquire about.This system is based on the HMI touch-screen, and configuration standard CF card data memory module can directly be opened or be printed by computer, and CF card data can the longest preservation 3 years.This Controlling System also is provided with the unusual acoustic-optic alarm of overtemperature and transmission except switch indication, operation indication.
Cooling section 13 peripheries (surrounding the cooling section 13 of revolution body of heater 1) at revolution body of heater 1 are provided with cooling system 6, and cooling system 6 is a water-circulating cooling device.
Water vapour dust separation system comprises the housing 8 that gathers dust, organizes resistant to elevated temperatures bag collection device 21, air compressor machine 22 and blower fan 23 more.The resistant to elevated temperatures bag collection device 21 of many groups is arranged in the housing 8 that gathers dust, and the housing 8 that gathers dust links to each other with the venting port of revolution body of heater 1 afterbody, and air compressor machine 22 is arranged on housing 8 outsides of gathering dust, and housing 8 cavitys are communicated with gathering dust; Blower fan 23 housing 8 cavitys that gather dust are communicated with, and are arranged on housing 8 outside top of gathering dust, and blower fan 23 also is communicated with vapor pipe; Controller 24 is connected with blower fan 23 signals with air compressor machine 22 respectively, the operation of control air compressor machine 22 and blower fan 23.The preparation process of metakaolin is exactly the process of the amorphization of kaolinic high temperature dehydration and structure, because fineness height, the proportion of metakaolin are lighter, will produce a large amount of high-temperature vapors in process of production.Therefore the discharging of high-temperature vapor will be taken away a large amount of metakaolin dust.Water vapour dust separation of the present utility model system has carried out corresponding improvement on the basis of existing bag collection technology, adopt the high temperature resistant cloth bag type water vapour of lower negative pressure dust separation technology, to separate under the effect of lower negative pressure with the material dust from the high-temperature vapor that kiln body afterbody comes out, dustiness can reach≤50mg/m in the gas that is discharged
3Europe III discharge index.
Tube-type spiral conveyer 7 links to each other with the discharge port at revolution body of heater 1 cooling section 13 rear portions, and tube-type spiral conveyer is promoted to material in the stocking system and preserves.
During application, material is delivered in the feeding warehouse of kiln hood 9 (for guaranteeing the stable charging of material by rotary conveyor 4, must guarantee to have 50% filling ratio in this feeding warehouse and suitably expect pressure), by screw feeder 5 material is sent into kiln body feed zone 10 stably again, there is the material delivering plate of feed zone 10 inside that it is pushed preheating section 11 again, material is half suspension or the state that rolls in the kiln body, and push ahead under the lower negative pressure environment in kiln, the obliquity of control revolution body of heater 1, transmission system 2, the isoparametric adjusting of lower negative pressure atmosphere in the rotating speed of screw feeder 5 and the kiln, the time of control material calcination area of process differing temps in the kiln body, by firing temperature, to reach the calcining purpose to firing system 3 fuel.Cool off (cooling back temperature of charge is about 100～200 ℃) by 6 pairs of high-temperature materials of cooling system again, it is standby that most of material directly is promoted in the storage bin storage by tube-type spiral conveyer 7, and high-temperature vapor passes through water vapour dust separation system with the partial material dust it is carried out discharging after the separating treatment simultaneously.
Embodiment 1
Get the kaolin raw ore of buying from Maoming, Guangdong, its water is eluriated and is dried to the kaolin water ratio be 12%, with the clay pulverizer with blocky kaolin fragmentation break up to grain diameter less than 10mm.Temperature transfers in the revolution body of heater 1: the preheating section temperature is 600～700 ℃, 800～850 ℃ of high temperature section, and the body of heater rotating speed is 8rmp, the tilting furnace angle is 5 °.Open cooling system and water vapour dust separation system, with rotary conveyor and screw feeder etc. it is sent in the rotary kiln, from beginning to throw the material timing, after 90 minutes, all materials that burn till (metakaolin) all are stored in the storage bin.Reach 30% by testing this batch activity of metakaolin index, specific surface area is 10421m
2/ kg, this output of burning till is 670kg/h, it burns till quality and output has reached better effects.
Embodiment 2
Get the kaolin raw ore of buying from Maoming, Guangdong, its water is eluriated and is dried to the kaolin water ratio be 12%, with the clay pulverizer with blocky kaolin fragmentation break up to grain diameter less than 10mm.Temperature transfers in the revolution body of heater 1: the preheating section temperature is 500～600 ℃, 700～750 ℃ of high temperature section, and the body of heater rotating speed is 8rmp, the tilting furnace angle is 3 °.Open cooling system and water vapour dust separation system, with rotary conveyor and screw feeder etc. it is sent in the industrial rotary kiln, from beginning to throw the material timing, after 80 minutes, all materials that burn till (metakaolin) all are stored in the storage bin.Reach 28.5% by testing this batch activity of metakaolin index, specific surface area is 10566m
2/ kg, this output of burning till is 700kg/h, it burns till quality and output has reached better effects.
Claims (5)
1. an inorganic polymer gel material is with the preparation system of metakaolin, comprise the revolution body of heater, transmission system, oil burning system, cooling system, rotary conveyor, screw feeder, rotary conveyor is connected with screw feeder, screw feeder is connected with the revolution body of heater, at revolution body of heater two ends two support rollers are installed respectively, hold the revolution body of heater, make revolution body of heater pitch angle be 0 °～5 ° adjustable, material delivering plate plate and axial scraper plate are housed in the revolution body of heater, the driving motor of transmission system with by the axle be connected with pinion(gear), master wheel is fixed on rotary kiln on external week, with pinion; Oil burning system is made of combustion chamber, burner and temperature control device, at the external shell that is provided with of rotary kiln, the combustion chamber is the liner of shell and the cavity between the revolution body of heater, oil fuel burner is arranged in the combustion chamber of revolution body of heater both sides, temperature control device is to have preheating section and high temperature section independence temperature control, heating, the common closed loop control system of forming with PID regulatory function of measurement and control unit, back segment periphery at the revolution body of heater is provided with cooling system, and cooling system is a water-circulating cooling device; It is characterized in that: described revolution body of heater is made up of feed zone, preheating section, high temperature section and cooling section that order is communicated with; The external side of rotary kiln latter half of at preheating section and high temperature section is provided with burner, and burner is the sharp refined road RL series oil fuel burner of Italy, has 8 groups, arranges 2 groups at preheating section near high temperature section 1/3 place, 6 groups of high temperature section uniform distribution.
2, the inorganic polymer gel material according to claim 1 preparation system of metakaolin, it is characterized in that: the length ratio of described feed zone, preheating section, high temperature section and cooling section is 1: 2: 4: 2.
3, the inorganic polymer gel material according to claim 1 preparation system of metakaolin, it is characterized in that: described preparation system also comprises manual handle, manual handle is connected on the axle of pinion(gear).
4, the inorganic polymer gel material according to claim 1 preparation system of metakaolin, it is characterized in that: described preparation system also comprises water vapour dust separation system, and water vapour dust separation system comprises the housing that gathers dust, organizes resistant to elevated temperatures bag collection device, air compressor machine and blower fan more; The resistant to elevated temperatures bag collection device of many groups is arranged in the housing that gathers dust, and the housing that gathers dust links to each other with the venting port of revolution body of heater afterbody, and air compressor machine is arranged on the hull outside of gathering dust, and shell cavity is communicated with gathering dust; The blower fan shell cavity of gathering dust is communicated with, and is arranged on the hull outside top of gathering dust, and blower fan also is communicated with vapor pipe.
5, the inorganic polymer gel material according to claim 1 preparation system of metakaolin, it is characterized in that: described preparation system also comprises tube-type spiral conveyer, tube-type spiral conveyer links to each other with the discharge port at revolution body of heater cooling section rear portion.
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200488674U CN201301289Y (en) | 2008-06-06 | 2008-06-06 | Preparation system for metakaolin used for inorganic polymer gelled material |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200488674U CN201301289Y (en) | 2008-06-06 | 2008-06-06 | Preparation system for metakaolin used for inorganic polymer gelled material |
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| CN201301289Y true CN201301289Y (en) | 2009-09-02 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522526A (en) * | 2011-12-13 | 2012-06-27 | 济宁市无界科技有限公司 | Production equipment and technology for cathode or anode material of converter-type lithium battery |
| CN102636021A (en) * | 2012-04-11 | 2012-08-15 | 中钢集团马鞍山矿山研究院有限公司 | Efficient and energy-saving magnetizing roasting rotary kiln |
| CN103979550A (en) * | 2014-05-29 | 2014-08-13 | 内蒙古超牌高岭土有限公司 | Metakaolin calcining method and metakaolin prepared by same |
| CN109114991A (en) * | 2018-07-23 | 2019-01-01 | 新中天环保股份有限公司 | A kind of solid sulphur in hazardous waste burn system consolidates chlorine processing equipment |
| CN114180591A (en) * | 2021-11-09 | 2022-03-15 | 安徽金岩高岭土科技有限公司 | Manufacturing method of precision mechanical part pouring mold |
| CN114804186A (en) * | 2022-05-16 | 2022-07-29 | 吴江市威士达铜业科技有限公司 | Production method and production device of copper oxide |
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2008
- 2008-06-06 CN CNU2008200488674U patent/CN201301289Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522526A (en) * | 2011-12-13 | 2012-06-27 | 济宁市无界科技有限公司 | Production equipment and technology for cathode or anode material of converter-type lithium battery |
| CN102522526B (en) * | 2011-12-13 | 2013-11-20 | 济宁市无界科技有限公司 | Production equipment and technology for cathode or anode material of converter-type lithium battery |
| CN102636021A (en) * | 2012-04-11 | 2012-08-15 | 中钢集团马鞍山矿山研究院有限公司 | Efficient and energy-saving magnetizing roasting rotary kiln |
| CN103979550A (en) * | 2014-05-29 | 2014-08-13 | 内蒙古超牌高岭土有限公司 | Metakaolin calcining method and metakaolin prepared by same |
| CN103979550B (en) * | 2014-05-29 | 2016-09-21 | 内蒙古超牌建材科技有限公司 | Metakaolin method for calcinating and prepared metakaolin |
| CN109114991A (en) * | 2018-07-23 | 2019-01-01 | 新中天环保股份有限公司 | A kind of solid sulphur in hazardous waste burn system consolidates chlorine processing equipment |
| CN114180591A (en) * | 2021-11-09 | 2022-03-15 | 安徽金岩高岭土科技有限公司 | Manufacturing method of precision mechanical part pouring mold |
| CN114804186A (en) * | 2022-05-16 | 2022-07-29 | 吴江市威士达铜业科技有限公司 | Production method and production device of copper oxide |
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