CN105734277A - Laterite-nickel ore particle processing linkage system and processing method using the same - Google Patents
Laterite-nickel ore particle processing linkage system and processing method using the same Download PDFInfo
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- CN105734277A CN105734277A CN201410741507.2A CN201410741507A CN105734277A CN 105734277 A CN105734277 A CN 105734277A CN 201410741507 A CN201410741507 A CN 201410741507A CN 105734277 A CN105734277 A CN 105734277A
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- nickel ore
- lateritic nickel
- linked system
- vibrosieve
- sorter
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Abstract
The invention relates to a laterite-nickel ore particle processing linkage system and a processing method using the same. The system utilizes humidity sensing to solve the problem of uneven water content of laterite-nickel ore in airing, utilizes two-stage sorting device-based sorting to guarantee the quality standard of material processing, ensures material particle molding standardization through the means and provides a good environmental protection environment and a basis for same industry.
Description
Technical field
The present invention relates to the process of a kind of equipment that low-grade laterite nickel ore is carried out pellet processing and processing, especially a kind of linked system processing lateritic nickel ore pellet and process thereof.
Background technology
The direction that nickel base material is current nickel material goods producer main attack is obtained from low-grade laterite nickel ore.This is because the stainless market demand just constantly stimulates the supply of nickel base material, and the distribution that the raw material sources supplied just are being limited to region makes manufacturer have to do article in the utilization of many metals intergrowth mineral or metal mine secondary resource to obtaining maximum performance.Nowadays, with the increasingly mature of the wet smelting process combined that catch fire, colleagues in the industry have puted forth effort to put efficient collecting technology in low-grade lateritic nickel ore to good use.
Such as, Chinese patent CN103233114A discloses a kind of method that lateritic nickel ore produces nickel iron, is complete metallization reduction roasting in rotary kiln with lateritic nickel ore, and product of roasting makes valuable metal efficiently separate through flotation, magnetic separation, gravity treatment；The method is a kind of to lateritic nickel ore comprehensive utilization of resources example.
And for example Chinese patent CN103882222A discloses the method that nickel cobalt is extracted in the green arrow roasting of a kind of lateritic nickel ore, is grind uniform pelletizing together with mineral aggregate with chlorinating agent, amount is mineral aggregate quality the 15～20% of chlorinating agent；Ground sample ore is loaded in porcelain crucible and closes the lid and is put into tubular type kiln roasting, sintering temperature 600～800 ° of C, roasting time 2～3h；By the acidifying water of sample ore pH2～4.5 after roasting solid-liquid separation after temperature is leach 20～40min under 50～80 ° of C, after vacuum filtration, obtain nickel cobalt filtrate；The feature of the method is to mix using solid chloride as chlorinating agent and mineral aggregate to add thermal bake-out, then with follow-up operation obtain product be finally implemented in from low-grade laterite nickel ore, obtain nickel, cobalt obtains the purpose of rate.
For another example Chinese patent CN103233114A discloses a kind of integrated processes production ferronickel by wet method and pyrometallurgy or nickel matte, refer to the method producing ferronickel or nickel matte from the reaction mixture at least containing nickel, cobalt, ferrum and acid soluble impurities, the method includes making the reaction mixture containing nickel, cobalt, ferrum and acid soluble impurities and contacts ionic exchange resin, and resin optionally adsorbs nickel and ferrum from solution and makes cobalt and acid soluble impurities stay in raffinate；With sulfuric acid solution from resin back extraction nickel and ferrum, there to be nickeliferous and ferrum eluent, neutralize eluent to be settled out the nickel iron hydroxide product of mixing, by the nickel iron hydroxide product of mixing reduction also melting to produce ferronickel or nickel matte.The method is to obtain ferronickel or nickel matte with four basic steps from the reaction mixture of nickel, cobalt, ferrum and acid soluble impurities in melting mode.
But, with regard to how for above-mentioned each method provide can be adaptive basic material, especially the adaptive raw material of standard is provided, is that the key elements such as the equipment used or the process producing adaptive raw material all decide the quality from low-grade laterite nickel ore output nickel base material for utilizing tunnel cave chloridising roasting+water logging+tunnel kiln reducing process technology to produce nickel base material.
Summary of the invention
The technical problem to be solved is to provide a kind of linked system processing lateritic nickel ore pellet and process thereof.Processing linked system mentioned here is as processing object using low-grade laterite nickel ore, adjusts the device of operation effect with that have an integration of operation ability and itself monitor and mineral aggregate processes eventually it obtains the linked system of standard compliant nickel base material product step by step；Technological method for processing mentioned here is the requirement realizing output granule product with the step of sequencing, and the industrial standard that the phase is to be referred to as the same trade.
nullFor this，This invention address that the technical scheme of described problem is: a kind of linked system processing lateritic nickel ore pellet，There is dehydration dry in the sun plate，Claw bucket sling，Feed bin，Jaw crusher，Impact breaker，Splice jug，Electro-vibrating feeder，Belt conveyor，Dehydrator，Vibrosieve，Horizontal hammer-type crusher，Ball mill，Belt feeder，Bucket carries，Top, storehouse scrapper conveyor，Wherein，In the bottom of described dehydration dry in the sun plate, one base plate shaking machine is set，At the plate edge diagonal place of described dehydration dry in the sun plate, one humidity sensor is respectively set，It is arranged below a square sheet of paper used for painting or calligraphy in described dehydration dry in the sun plate outer rim，Described splice jug is arranged on the lower section of described square sheet of paper used for painting or calligraphy，It is provided with a grid strip screen at the top of described splice jug，A sorter it is provided with by described bar grizzl(e)y，A splicing storehouse is connected in the bottom of described splice jug，Described sorter connects a jaw crusher，Described jaw crusher one impact breaker of link，Described impact breaker is connected with the entrance in described splicing storehouse，The Hatch Opening in described splicing storehouse is connected with described electro-vibrating feeder，Described electromagnetic vibration machine is connected with described belt conveyor，The tail end of described belt conveyor is connected with the entrance of described dehydrator，One vibrosieve of the egress links of described dehydrator，It is provided above No. two sorters with sensor in described vibrosieve，It is arranged below a Horizontal hammer-type crusher being connected with No. two belt conveyors in described vibrosieve，The tail end of described No. two belt conveyors is connected with described ball mill.
Preferably, the base plate shaking machine of described dehydration dry in the sun plate is a kind of shaking machine by two or more servomotor rate controlling.
Preferably, described dehydration dry in the sun plate, its perimeter has flanging, and the thickness of flanging is not less than 12mm.
Preferably, the other sorter arranged of described bar grizzl(e)y is a mechanical hand with image resolution device.
Preferably, be provided above No. two sorters of described vibrosieve are mechanical hands with image resolution device.
To sum up, a kind of process processing lateritic nickel ore pellet, including step: lateritic nickel ore raw material is poured into dehydration dry in the sun plate, opens base plate shaking machine shake base plate dehydration, by the moisture of humidity sensor measuring raw material, when the moisture of surveyed mineral aggregate is down to 23 ~ 25%, raw material is sent into feed bin；By being arranged on an other sorter of bar grizzl(e)y, Ore more than 50mm on bar grizzl(e)y being sorted, wherein, the mineral aggregate more than 50mm is sent into jaw crusher 5 broken and is entered back into impact breaker 6 and carry out second-time breakage and make it less than below 50mm；Splicing storehouse sent into by the configured conveyer in feed bin of all mineral aggregates less than below 50mm；The particle exported by splicing storehouse is through electro-vibrating feeder 8, lateritic nickel ore dedicated drying machine 10 is being fed into belt conveyor 9 by the uniform feeding of electro-vibrating feeder 8, material through drying enters vibrosieve 11, by No. two sorters, oversize being sorted, the diameter the sorted oversize more than 10mm is sent into Horizontal hammer-type crusher 12 and is crushed to below 10mm.All diameters oversize less than 10mm is 100 ~ 150 orders through carrying out the raw meal particle size that is ground in small, broken bits by belt conveyor entrance ball mill 13；Through belt feeder 14, bucket the material of milled carried 15, top, storehouse scrapper conveyor 16 enters in each lateritic nickel ore feed bin of proportioning station.
Preferably, described humidity sensor, it has at least six vicariouss probe, and arranges along the hexagonal direction of described dehydration dry in the sun plate.
Preferably, a described sorter, the frame of its image resolution device enters to be not less than 24 frames.
Preferably, described No. two sorters, the frame of its image resolution device enters to be not less than 48 frames.
Compared to existing technology, what the present invention produced has the advantages that obviously: solve the lateritic nickel ore problem that moisture differs in dry in the sun process initially with humidity sensor, ensure that quality standard during materiel machining again through the sorting of two-stage sorter；The purpose adopting these technological means is to ensure that raw meal particle size molding standardization, provides, under the premise bringing up good environmental protection environment, the foundation having regulations to abide by for industry peer.
Accompanying drawing explanation
Fig. 1 is the processing linked system structural representation and process chart that the present invention relates to；
Fig. 2 is the structural representation about the dehydration dry in the sun plate in Fig. 1；
Fig. 3 be about in Fig. 1 with the structural representation of edge flanging dry in the sun plate；
Fig. 4 is the structural representation about the dry in the sun plate popped one's head in vicarious in Fig. 1；
Fig. 5 is processing linked system overall structure schematic diagram.
In figure:
1-dehydration dry in the sun plate, 101-pedestal, 102-servomotor, 1021-servomotor controller, 103-push rod, 104-base plate shaking machine, 105-hopper, 106-discharging opening, 107-outlet valve, 108-spring, 109-humidity sensor, 1091 vicarious probes, 110-flanging；
2-claw bucket sling；
3-feed bin；
4-bar grizzl(e)y, number sorter of 401-, 402-image resolution device；
5-jaw crusher；
6-impact breaker；
7-splice jug (storehouse), 701-splicing storehouse；
8-electro-vibrating feeder；
9-the first belt conveyor；
10-dehydrator；
11-vibrosieve, No. bis-sorters of 1101-；
12-Horizontal hammer-type crusher；
13-ball mill；
14-the second belt conveyor；
15-bucket carries；
Top, 16-storehouse scrapper conveyor.
Detailed description of the invention
Referring to Fig. 1, Fig. 2 and in conjunction with Fig. 3, following example will be described in the processing linked system of lateritic nickel ore pellet and the process thereof that the present invention relates to.
From economizing on resources, efficiently utilize, the angle of comprehensive exploitation, the lateritic nickel ore grade selected by the present invention, lower than 1.26%, is the relatively low lateritic nickel ore of a kind of grade.
Tunnel cave chloridising roasting+water logging+tunnel kiln reducing process is adopted to produce nickel base material owing to the present invention be directed to low-grade laterite nickel ore, so the early stage processing of mineral aggregate is had strict requirement, therefore, it is necessary to provide high-quality, high efficiency processing linked system.
The linked system that the present embodiment relates to is a kind of linked system processing lateritic nickel ore pellet, has dehydration dry in the sun plate 1, claw bucket sling 2, feed bin 3, jaw crusher 5, impact breaker 6, splice jug (storehouse) 7, electro-vibrating feeder 8, the first belt conveyor 9, dehydrator 10, vibrosieve 11, Horizontal hammer-type crusher 12, ball mill 13, second belt conveyor 14, bucket carries 15(and sees Fig. 1), top, storehouse scrapper conveyor 16(is shown in Fig. 1)；Wherein, in the bottom of described dehydration dry in the sun plate 1, a base plate shaking machine 104 is set, respectively arranging a humidity sensor 109 at the plate edge diagonal place of described dehydration dry in the sun plate, each humidity sensor has six vicarious probes 1091 and the hexagonal direction along dehydration dry in the sun plate is arranged；The square sheet of paper used for painting or calligraphy 105 of a dish configuration it is provided above in described dehydration dry in the sun plate 1 outer rim, described splice jug 7 is arranged on the lower section of described square sheet of paper used for painting or calligraphy 105, it is provided with a grid strip screen 4 at the top of described splice jug 7, a sorter 401 it is provided with by described bar grizzl(e)y, connect a splicing storehouse 701 in the bottom of described splice jug 7, the first described sorter 401 is connected with described jaw crusher 5；Described jaw crusher 5 is connected with described impact breaker 6, described impact breaker 6 is connected with the entrance in described splicing storehouse 701, the bottom in described splicing storehouse 701 is connected with described electro-vibrating feeder 8, described electromagnetic vibration machine 8 is connected with described first belt conveyor 9, the tail end of described belt conveyor 9 is connected with the entrance of described dehydrator 10, the outlet of described dehydrator 10 connects described vibrosieve 11, it is provided above No. two sorters 1101 with sensor in described vibrosieve 11, it is arranged on No. two belt conveyors 1102 below described vibrosieve 11 to be connected with described Horizontal hammer-type crusher 12, the tail end of described No. two belt conveyors 14 is connected with described ball mill 13.
According to above linked system, the present embodiment launches to manufacture the technical process of nickel minerals material particulate starting material more in detail: first, in order to ensure that the mineral aggregate that dehydration dries in the air on plate does not fall leakage when plate body rocks, the present invention plate that dehydration dried in the air is designed to its perimeter and has the structure that the thickness of flanging 110 and flanging is not less than the tray type of 12mm.When linked system dynamic duty, pour mineral aggregate into dehydration with mine loader and dry in the air on plate 1, be now located at the base plate shaking machine 104 on dehydration dry in the sun plate 1 and can be controlled the speed of its shake by two or more servomotors 102, ted the mineral aggregate on pallet；While the mineral aggregate moisture of probe 1091 mensuration on humidity sensor 109 reach in mineral aggregate the 23 ~ 25% of moisture, this sensor feedback signal is to servo controller 1021, stop servomotor 102 to work, dispatch one end of the hydraulic means push rod 103 jack-up dehydration dry in the sun plate 1 of one group of motor therein again, now it is controlled by the discharging opening 106 with servomotor, outlet valve 107 is opened, the good lateritic nickel ore of dry in the sun on dehydration dry in the sun plate 1 through discharging opening 106 to square sheet of paper used for painting or calligraphy 103 discharging.Afterwards, by square sheet of paper used for painting or calligraphy 103 to splice jug (storehouse) 7 feeding.
In the present embodiment splice jug 7 be provided above a bar grizzl(e)y 4；When the mineral aggregate entered on bar grizzl(e)y 4 is more than 50mm, frame then is entered to be not less than the mineral aggregate that the image resolution device 402 of 24 frames scans and sorts out and in succession send into jaw crusher 5 and impact breaker 6 crushes by a number sorter 401 of shape such as mechanical hand, until the diameter of mineral aggregate is less than 50mm.
Afterwards, broken qualified mineral aggregate is re-fed into electro-vibrating feeder 8 from the feed bin 701 of splice jug 7, and is delivered to material to lateritic nickel ore dedicated drying machine 10 by belt conveyor 9；Material through drying enters vibrosieve 11, material is scanned by the image resolution device 11011 being now arranged on above vibrosieve 11 No. two sorters 1101, the frame of the image resolution device 11011 owing to being arranged on this sorter enters to be not less than 48 frames, it is possible to more clearly find the diameter material more than 10mm.Therefore, along with No. two sorters 1101 material in vibrosieve 11 is sorted, the material more than 10mm of the diameter in vibrosieve then by (not shown in FIG.) mechanical hand send into Horizontal hammer-type crusher 12 makes it be crushed to below 10mm.Afterwards, siftage can input to ball mill 13 and carry out grinding in small, broken bits, be the finished product material needed for next procedure when the raw meal particle size being ground is 100 ~ 150 order, this finished product material all can carry 15 through No. two belt feeders 14, bucket, top, storehouse scrapper conveyor 16 enters in each lateritic nickel ore feed bin of proportioning station.
For ensureing the finished product material efficient utilization in subsequent handling, before implementing tunnel cave chloridising roasting+water logging+tunnel kiln reducing process acquisition nickel base material, above finished product material and additive, reducing agent must be delivered to cylindrical mixer mixture in the ratio of 100:10:1, input again afterwards to dribbling balling machine make diameter be 3 ~ 5mm, moisture content be 12% ball for future use.
Adopt above-mentioned linked system to be prepared as described above its yield rate >=91% of ultimate nickel base material its nickel of product of output in subsequent handling of lateritic nickel ore ball-type finished product that method is produced, be the current return rate the highest for low-grade laterite nickel ore extraction nickel base material.
Claims (9)
- null1. the linked system processing lateritic nickel ore pellet，There is dehydration dry in the sun plate，Claw bucket sling，Feed bin，Jaw crusher，Impact breaker，Splice jug，Electro-vibrating feeder，One、No. two belt conveyors，Dehydrator，Vibrosieve，Horizontal hammer-type crusher，Ball mill，Belt feeder，Bucket carries，Top, storehouse scrapper conveyor，Wherein，In the bottom of described dehydration dry in the sun plate, one base plate shaking machine is set，At the plate edge diagonal place of described dehydration dry in the sun plate, one humidity sensor is respectively set，It is provided above a square sheet of paper used for painting or calligraphy in described dehydration dry in the sun plate outer rim，Described splice jug is arranged on the lower section of described square sheet of paper used for painting or calligraphy，It is provided with a grid strip screen at the top of described splice jug，A sorter it is provided with by described bar grizzl(e)y，A splicing storehouse is connected in the bottom of described splice jug，Described sorter connects a jaw crusher，Described jaw crusher one impact breaker of link，Described impact breaker is connected with the entrance in described splicing storehouse，The Hatch Opening in described splicing storehouse is connected with described electro-vibrating feeder，Described electromagnetic vibration machine is connected with a described belt conveyor，The tail end of a described belt conveyor is connected with the entrance of described dehydrator，One vibrosieve of the egress links of described dehydrator，It is provided above No. two sorters with sensor in described vibrosieve，It is arranged below a Horizontal hammer-type crusher being connected with No. two belt conveyors in described vibrosieve，The tail end of described No. two belt conveyors is connected with described ball mill.
- 2. the linked system of processing lateritic nickel ore pellet according to claim 1, it is characterised in that the base plate shaking machine of described dehydration dry in the sun plate is a kind of shaking machine by two or more servomotor rate controlling.
- 3. the linked system of processing lateritic nickel ore pellet according to claim 1, it is characterised in that described dehydration dry in the sun plate, its perimeter has flanging, and the thickness of flanging is not less than 12mm.
- 4. the linked system of processing lateritic nickel ore pellet according to claim 1, it is characterised in that the other sorter arranged of described bar grizzl(e)y is a mechanical hand with image resolution device.
- 5. the linked system of processing lateritic nickel ore pellet according to claim 1, it is characterised in that be provided above No. two sorters of described vibrosieve are mechanical hands with image resolution device.
- 6. the process utilizing processing lateritic nickel ore pellet linked system, it is characterized in that, including step: lateritic nickel ore raw material to be poured into dehydration dry in the sun plate, open base plate shaking machine shake base plate dehydration, by the moisture of humidity sensor measuring raw material, when the moisture of surveyed mineral aggregate is down to 23 ~ 25%, raw material is sent into feed bin；By being arranged on an other sorter of bar grizzl(e)y, Ore more than 50mm on bar grizzl(e)y being sorted, wherein, the mineral aggregate more than 50mm is sent into jaw crusher 5 broken and is entered back into impact breaker and carry out second-time breakage and make it less than below 50mm；Splicing storehouse sent into by the configured conveyer in feed bin of all mineral aggregates less than below 50mm；The particle exported by splicing storehouse is through electro-vibrating feeder, lateritic nickel ore dedicated drying machine is being fed into by the uniform feeding of electro-vibrating feeder to belt conveyor, material through drying enters vibrosieve, by No. two sorters, oversize being sorted, the diameter the sorted oversize more than 10mm is sent into Horizontal hammer-type crusher and is crushed to below 10mm；By all diameters oversize less than 10mm, through entering ball mill 13 by belt conveyor, to carry out the raw meal particle size that is ground in small, broken bits be 100 ~ 150 orders；Through belt feeder 14, bucket the material of milled carried 15, top, storehouse scrapper conveyor 16 enters in each lateritic nickel ore feed bin of proportioning station.
- 7. the process utilizing processing lateritic nickel ore pellet linked system according to claim 6, it is characterised in that described humidity sensor, it has at least six vicariouss probe, and arranges along the hexagonal direction of described dehydration dry in the sun plate.
- 8. the process utilizing processing lateritic nickel ore pellet linked system according to claim 6, it is characterised in that a described sorter, the frame of its image resolution device enters to be not less than 24 frames.
- 9. the process utilizing processing lateritic nickel ore pellet linked system according to claim 6, it is characterised in that described No. two sorters, the frame of its image resolution device enters to be not less than 48 frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410741507.2A CN105734277B (en) | 2014-12-09 | 2014-12-09 | Process the linked system and its process of lateritic nickel ore pellet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410741507.2A CN105734277B (en) | 2014-12-09 | 2014-12-09 | Process the linked system and its process of lateritic nickel ore pellet |
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| Publication Number | Publication Date |
|---|---|
| CN105734277A true CN105734277A (en) | 2016-07-06 |
| CN105734277B CN105734277B (en) | 2019-05-28 |
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| CN201410741507.2A Expired - Fee Related CN105734277B (en) | 2014-12-09 | 2014-12-09 | Process the linked system and its process of lateritic nickel ore pellet |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201912986U (en) * | 2010-12-16 | 2011-08-03 | 上海建冶机器有限公司 | Automatic control stone production line |
| CN102226233A (en) * | 2011-05-27 | 2011-10-26 | 广西盛隆冶金有限公司 | Method and system for pretreating lateritic nickel ore |
| CN103480474A (en) * | 2013-09-16 | 2014-01-01 | 南通欧特建材设备有限公司 | Novel stone crushing production device |
| CN204265816U (en) * | 2014-12-09 | 2015-04-15 | 张家彦 | Produce the linkage system of red soil nickel ore pellet |
-
2014
- 2014-12-09 CN CN201410741507.2A patent/CN105734277B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201912986U (en) * | 2010-12-16 | 2011-08-03 | 上海建冶机器有限公司 | Automatic control stone production line |
| CN102226233A (en) * | 2011-05-27 | 2011-10-26 | 广西盛隆冶金有限公司 | Method and system for pretreating lateritic nickel ore |
| CN103480474A (en) * | 2013-09-16 | 2014-01-01 | 南通欧特建材设备有限公司 | Novel stone crushing production device |
| CN204265816U (en) * | 2014-12-09 | 2015-04-15 | 张家彦 | Produce the linkage system of red soil nickel ore pellet |
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