CN100389053C - Partitioned compartment type ore feeder - Google Patents
Partitioned compartment type ore feeder Download PDFInfo
- Publication number
- CN100389053C CN100389053C CNB200510045151XA CN200510045151A CN100389053C CN 100389053 C CN100389053 C CN 100389053C CN B200510045151X A CNB200510045151X A CN B200510045151XA CN 200510045151 A CN200510045151 A CN 200510045151A CN 100389053 C CN100389053 C CN 100389053C
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- China
- Prior art keywords
- ore feeder
- barn
- housing
- type ore
- partitioned
- 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.)
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- 239000000463 material Substances 0.000 claims abstract description 58
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000000227 grinding Methods 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000005245 sintering Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000001238 wet grinding Methods 0.000 abstract description 3
- 238000004090 dissolution Methods 0.000 abstract description 2
- 238000000638 solvent extraction Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 description 10
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910001388 sodium aluminate Inorganic materials 0.000 description 4
- 206010039509 Scab Diseases 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 235000012241 calcium silicate Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000010517 secondary reaction Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Abstract
The present invention relates to a partitioned barn type ore feeder. A front side plate and a back side plate of a housing are respectively provided with a feeding opening and a discharging opening. The partitioned barn type ore feeder is characterized in that a cavity of the housing is divided into a feeding barn and a material guiding barn by a material partitioning plate in the housing, feeding through holes are arranged on the periphery of the material partitioning plate, and a cylinder axially communicated with the discharging opening is arranged in the center of the material guiding barn. A spiral material guiding plate is arranged between the cylinder in the material guiding barn and the housing, and a material through opening is arranged on the cylinder on the inner side of the spiral material guiding plat. The partitioned barn type ore feeder has the advantages of smart and reasonable structure, pollution avoidance, capabilities of increasing feeding amount and improving output and efficiency; the partitioned barn type ore feeder also has the advantages that bigger block-shaped ripe materials can be fed, materials in a grinding machine can be kept in higher material positions, enables materials entering the ore feeder not to flow reversely and overbrim, and can lighten the labor intensity of workers. The partitioned barn type ore feeder is mainly used for the dissolution and reaction steps of the ripe materials in alumina production by a sintering method, and can also be used for the application field similar to wet grinding.
Description
Technical field
The present invention relates to a kind of improved ore feeder, be mainly used in the stripping reaction process of grog in the alumina by sintering production.
Background technology
At present, aluminium oxide output is more and more higher, and is also high more to the requirement of equipment unit production capacity, the grinding machine production capacity can't be increased substantially in cleaning and operation merely.Sintering process through the development of nearly half a century, has had core---the preparation of raw material, the sintering of grog of very big progress, especially sintering process since entering aluminum industry in China, ideogenetic transformation has taken place especially.The grog prescription is progressively developed the two unsaturated prescription of high-alkali low calcium up till now by well-known low alkali high-calcium formula, the grog grade rises to present 37-38% by 32-33%, great variation has taken place in the hardness of grog and dissolution velocity, on the grinding machine production capacity, just show the grainding capacity surplus, the input and output material ability also can be by the pump type more bring lifting, the spoon formula ore feeder that advances larger particles grog and solution only becomes the bottleneck that whole grinding machine is carried product, during whole stripping operation use for the management of workman's maintenance, equipment to have brought huge difficulty.
In the stripping wet-milling, feed adopts traditional spoon formula ore feeder always, grog and adjustment liquid are mixed into exit skirt, rotate in the mill with grinding machine by ore feeder, a part of material blows back in the half slot simultaneously, enter in the mill through the spoon head, the ore feeder liquid level is the same high with the inner liquid level of grinding machine substantially, make that the interior liquid level of grinding machine is lower, the inventory in the feeding grinding machine is limited, has limited the raising of grinding machine production capacity, and leak more serious, cause working strength of workers big, in addition, partial material flows backwards from the spoon head and enters half slot, the material that half slot overflows enters bottom, lubricated place, then enter oil return pipe pollution lubricating oil, because oil is polluted the lubricating oil at the station of need repeatedly more changing oil, trouble, increase auxilliary material consumption.
Summary of the invention
The object of the present invention is to provide a kind of partitioned compartment type ore feeder, can advance the larger particles grog, improve ore feeder and grinding machine liquid level, improve production capacity, and complete closed is avoided polluting.
Partitioned compartment type ore feeder of the present invention, be respectively equipped with inlet point and discharging opening on the front and back side plate of housing, it is characterized in that having in the housing material baffle that the housing cavity is divided into feeding warehouse and guide storehouse, be distributed with the charging through hole on the periphery of material baffle, the center in guide storehouse is provided with cylinder, Cylindorical rod is provided with the spiral stock guide to communicating with discharging opening between cylinder and the housing in the guide storehouse, the cylinder of spiral stock guide inboard is provided with material hole.
Feeding-passage of the present invention can advance big grog, and the setting of material baffle is arranged, and can promote the charging liquid level of material, utilizes Power of Spin and high liquid level (HLL) from pressing material to be entered in the grinding machine, and liquid level improves, and can improve inlet amount, increases production capacity.And, stopped the batch turning problem of grinding machine, alleviated working strength of workers, avoided from the source carrying product and having created condition because the grinding machine batch turning to the pollution of big watt of lubricating oil of stripping mill, is all given from external conditions and equipment itself.Owing to removed half slot and ore feeder cover, the partitioned compartment type ore feeder volume reduces.
In alumina producing, it is to use rare sodium aluminate solution to carry out stripping the sodium aluminate in the alumina clinker, sodium ferrite that grog stripping operation mainly acts on, as much as possible useful composition is all entered solution, and calcium orthosilicate is because water insoluble, should all enter in the red mud in theory, but in process in leaching, a series of chemical reaction can take place with sodium aluminate solution in calcium orthosilicate, makes the Al of stripping
2O
3, Na
2O, some is transferred to again in the red mud and loses again.These reactions are called secondary reaction or side reaction, and these reactions are major causes that grog stripping and follow-up operation scab and produce, and reducing red mud and solution area of contact and time is the key that reduces the secondary reaction loss.
After adopting partitioned compartment type ore feeder, separate unit grinding machine liquid measure increases greatly, under whole grinder system total volume unmodified situation, significantly reduce the contact time of red mud and solution, reduces the side reaction loss of process in leaching, the speed that scabs of having slowed down equipment, reduce the cleaning work amount, optimized index.
Among the present invention:
The spiral stock guide upwards can be evenly equipped with several in week, and 2-5, three optimums.
Charging via design on the material baffle in the inboard that is positioned at corresponding with it spiral stock guide, is convenient to guide and is carried, form feeding-passage with the spiral stock guide.
Other the establishing of the side of charging through hole carried flitch in feeding warehouse, forces defeated material by carrying flitch, further improves defeated material performance.From the flitch of carrying of feeding warehouse, to the cylinder material hole, form the osed top feeding-passage through the spiral stock guide.
On housing, establish cleaning eye, easy cleaning and maintenance, maintenance.
During application, partitioned compartment type ore feeder inlet point of the present invention connects blanking device, and discharging opening connects the grinding machine inlet point.The feeding warehouse inlet point is aimed in skirt-type blanking chamber, material enters feeding warehouse, under the grinding machine rotary power, enters the guide storehouse by carrying flitch lifting material thereupon, need the material of stripping to introduce discharging opening, import in the grinding machine thus by the material hole of spiral stock guide on cylinder.
Partitioned compartment type ore feeder of the present invention confirms through actual industrial operation back:
The first, performance the most significantly is exactly that inlet amount significantly promotes, by original 320m
3/ h brings up to 480m
3More than/the h, put forward the product amplitude up to more than 50%.Produce obviously owing to carry, material flow is accelerated in the stripping pipeline, and the inner-walls of duct speed of scabbing is slowed down, cleaning cycle from before extended to more than 180 days in 120 days, reduced cleaning up cost.
The second, after the stripping mill is all transformed the use partitioned compartment type ore feeder, do not take place because of the undesirable caused material from leakage of ore feeder feeding, material did not more take place pollute big watt of lubricated oil condition of grinding machine, this gives and stablizes stripping wet-milling operation, improves system's operation factor and has created strong condition.
Three, come into operation after, the various technic indexs of stripping operation are normal.Sodium aluminate solution concentration is fully within range of control, and molten index brings up to 94.3% from original 94.1% than promoting to some extent in the past at the beginning of one section, has improved the output capacity of grog effectively.
Four, after each mill all uses one-period, there is not any abnormality.
A collection of industrial operating data data is as follows:
(1) produce more than 30% owing to list grinds to carry, from original " three are ground two little mills greatly " balanced production " three are ground greatly " balanced production till now, the power consumption of two the little mills that stop is 10000Kwh/ day, by 0.46 yuan/degree electricity, 167.9 ten thousand yuan of year saving expenses.
(2) saving cleaning up cost prolongs auxilliary 60 days equipment cleaning cycles of genus of stripping pipeline and mill, and year can be saved 50,000 yuan of cleaning up costs.
(3) year save 180,000 yuan of big watt of lubricating oil and relevant recondition expenses thereof.
Moltenly at the beginning of (4) one sections improved 0.2%, improved the grog output capacity, by producing 800000 tons in aluminium oxide per year, create beneficial result is about 60,000 yuan.
Economic benefit is considerable.
Partitioned compartment type ore feeder structure of the present invention is ingenious rationally can advance the larger particles grog, the material that enters grinding machine can not flow backwards overflow, improve ore feeder and grinding machine liquid level, alleviated working strength of workers, avoid polluting, can increase inlet amount, improve production capacity, increase the benefit.Be mainly used in the stripping reaction process of grog in the alumina by sintering production, also can be applicable to the similar application field.
Description of drawings
Fig. 1, one embodiment of the invention structural representation.
A-A schematic cross-section among Fig. 2, Fig. 1.
Among the figure: 1, inlet point 2, front side plate 3, housing 4, feeding warehouse 5, guide storehouse 6, rear quarter panel 7, spiral stock guide 8, cylinder 9, material hole 10, discharging opening 11, carry flitch 12,13, spiral stock guide 14, material baffle 15, cleaning eye 16, carry flitch 17, charging through hole.
The specific embodiment
The invention will be further described in conjunction with the foregoing description accompanying drawing.
As shown in the figure, partitioned compartment type ore feeder of the present invention, the front and back side plate 2 of housing 3, be respectively equipped with inlet point 1 and discharging opening 10 on 6, there is material baffle 14 that the housing cavity is divided into feeding warehouse 4 and guide storehouse 5 in the housing 3, be evenly equipped with three charging through holes (mark 17 as shown) on the periphery of material baffle 14, the center in guide storehouse 5 is provided with cylinder 8, Cylindorical rod is to communicating with discharging opening 10, be provided with between cylinder 8 and the housing 3 in the guide storehouse 5 and be evenly equipped with spiral stock guide 7,12,13, the inboard cylinder 8 of every spiral stock guide (mark 7 as shown) is provided with material hole (mark 9 as shown), charging through hole on the material baffle 14 (mark 17 as shown) is positioned at the inboard of spiral stock guide (mark 7 as shown), and other being provided with of the side of each charging through hole (mark 17 as shown) carried flitch (mark 16 as shown) in the feeding warehouse 4.Housing 3 is provided with cleaning eye 15, is evenly equipped with three on the circumference.
During application, the discharging opening 10 of ore feeder of the present invention is connected with the inlet point of grinding machine, ore feeder rotates with grinding machine.The stripping material enters the ore feeder feeding warehouse from inlet point 1, under the effect of carrying flitch, material is sent into the guide storehouse by the charging through hole on the material baffle.In the guide storehouse, under the effect of spiral stock guide, the material hole of material from cylinder to be sent into the cylinder, material enters in the grinding machine at last by cylinder.
Each inlet point of partitioned compartment type ore feeder of the present invention and feeding-passage physical dimension can be done greatlyyer, along with the rotation of ore feeder, carry flitch and spiral stock guide plate can apply application force to material, promote the motion of material, therefore can enter big material.And under the buffer action of material baffle, the material that enters ore feeder can not flow backwards overflow, can increase inlet amount, make the interior material of grinding machine keep improving production capacity than high charge level.
Claims (5)
1. partitioned compartment type ore feeder, be respectively equipped with inlet point and discharging opening on the front and back side plate of housing, it is characterized in that having in the housing material baffle that the housing cavity is divided into feeding warehouse and guide storehouse, be distributed with the charging through hole on the periphery of material baffle, the center in guide storehouse is provided with cylinder, Cylindorical rod is provided with the spiral stock guide to communicating with discharging opening between cylinder and the housing in the guide storehouse, the cylinder of spiral stock guide inboard is provided with material hole.
2. partitioned compartment type ore feeder according to claim 1 is characterized in that the spiral stock guide upwards is being evenly equipped with three week.
3. partitioned compartment type ore feeder according to claim 1 is characterized in that the charging through hole on the material baffle is positioned at the inboard of corresponding with it spiral stock guide, forms feeding-passage with the spiral stock guide.
4. according to claim 1,2 or 3 described partitioned compartment type ore feeders, it is characterized in that other being provided with of side of charging through hole in the feeding warehouse carried flitch.
5. partitioned compartment type ore feeder according to claim 3 is characterized in that housing is provided with cleaning eye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510045151XA CN100389053C (en) | 2005-11-09 | 2005-11-09 | Partitioned compartment type ore feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510045151XA CN100389053C (en) | 2005-11-09 | 2005-11-09 | Partitioned compartment type ore feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1772576A CN1772576A (en) | 2006-05-17 |
| CN100389053C true CN100389053C (en) | 2008-05-21 |
Family
ID=36759758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510045151XA Active CN100389053C (en) | 2005-11-09 | 2005-11-09 | Partitioned compartment type ore feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100389053C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105173564A (en) * | 2015-07-21 | 2015-12-23 | 柳州正高科技有限公司 | Portable corn conveying machine for feeding |
| CN106364855B (en) * | 2016-08-12 | 2018-07-13 | 王恒标 | Lifting conveying conduction device |
| CN109532086B (en) * | 2018-12-27 | 2024-01-09 | 江苏华宏科技股份有限公司 | Broken hot briquetting line |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2702653A1 (en) * | 1977-01-24 | 1978-07-27 | Kloeckner Gmbh & Co Geb | Axial throughput refuse mill - has horizontal auger type grinding rotor with refuse fed tangentially from overhead hopper |
| EP0025238A1 (en) * | 1979-09-07 | 1981-03-18 | Metallgesellschaft Ag | Centrifugal mill |
| EP0050892A2 (en) * | 1980-10-23 | 1982-05-05 | Jean-Pierre Andre | Automatic feed device, particularly for an oyster sorting apparatus |
| CN2103374U (en) * | 1990-12-31 | 1992-05-06 | 衡阳市冶金矿山机械厂 | Centre driving type ball mill |
| CN1093953A (en) * | 1994-01-07 | 1994-10-26 | 程南陔 | Wet impact ore mill |
| CN2186230Y (en) * | 1993-06-27 | 1994-12-28 | 广西壮族自治区百色矿山机械厂 | Feed device of cylinder conveyer |
| CN2844080Y (en) * | 2005-11-09 | 2006-12-06 | 山东铝业股份有限公司 | Chamber-separated mineral-feeder |
-
2005
- 2005-11-09 CN CNB200510045151XA patent/CN100389053C/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2702653A1 (en) * | 1977-01-24 | 1978-07-27 | Kloeckner Gmbh & Co Geb | Axial throughput refuse mill - has horizontal auger type grinding rotor with refuse fed tangentially from overhead hopper |
| EP0025238A1 (en) * | 1979-09-07 | 1981-03-18 | Metallgesellschaft Ag | Centrifugal mill |
| EP0050892A2 (en) * | 1980-10-23 | 1982-05-05 | Jean-Pierre Andre | Automatic feed device, particularly for an oyster sorting apparatus |
| CN2103374U (en) * | 1990-12-31 | 1992-05-06 | 衡阳市冶金矿山机械厂 | Centre driving type ball mill |
| CN2186230Y (en) * | 1993-06-27 | 1994-12-28 | 广西壮族自治区百色矿山机械厂 | Feed device of cylinder conveyer |
| CN1093953A (en) * | 1994-01-07 | 1994-10-26 | 程南陔 | Wet impact ore mill |
| CN2844080Y (en) * | 2005-11-09 | 2006-12-06 | 山东铝业股份有限公司 | Chamber-separated mineral-feeder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1772576A (en) | 2006-05-17 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINESE ALUMINIUM CO., LTD. Free format text: FORMER OWNER: SHANDONG ALUMINIUM INDUSTRY CO., LTD. Effective date: 20071019 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20071019 Address after: 100082 No. 62 North Main Street, Beijing, Xizhimen Applicant after: Aluminum Corporation of China Limited Address before: 255052 No. 1, five km road, Zhangdian District, Shandong, Zibo Applicant before: Shandong Aluminium Industry Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |