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Manganese ore, most of which are low grade ore, beneficiation processing must be carried out. However, the majority of manganese ore is fine-grained or micro-fine disseminated, and a considerable number of high phosphate, high iron ore, and (with) students useful metals, and therefore very difficult to beneficiation processing. Zhengzhou Xinhai Machinery Manufacturing Co., Ltd. technical personnel, At present, China's manganese ore beneficiation method for the election machinery (including washing, screening, re-election, high intensity magnetic separation and flotation), and the fire enrichment, chemical processing France and so on.

A washing and screening

Washing is the use of hydraulic flushing or additional mechanical scrubbing the separation of ore and shale. Commonly used equipment wash the griddle, cylinder washing machine and trough-type washing machine.

Washing operations often associated with screening, such as the shaker directly flush cleaning or washing machine ore (Net mine) sent shaker screening. Screening can be as an independent operation, the separation of different particle size and grade of product supply for different uses.

(2) re-election

Re-election only used for sorting a simple structure, disseminated coarse-grained ore, especially suitable for high density of oxide ore. Common methods of heavy media beneficiation jig beneficiation and shaker beneficiation.

China deal with the process of manganese oxide minerals are generally broken ore to 6 ~ 0mm or 10 ~ 0mm, then grouping the coarse level of the jig, the fine level to send shaker election. Equipment and more Haz reciprocating type jig and 6-S shaker.

(3) high intensity magnetic separation

Manganese compound belongs to the weakly magnetic minerals [than the susceptibility X = 10 × 10-6 600 × 10-6cm3 / g,], in a strong magnetic field of the magnetic field strength Ho = 800 ~ 1600kA / m (10000 20000oe) separatorare recycled, generally can improve the manganese grade of 4% to 10%.

Magnetic separation is simple, easy to control, adaptable, and can be used for a variety of manganese ore sorting, in recent years has been dominated in the manganese ore. New types of coarse, medium and fine-grained magnetic machine has been developed and successfully. At present, the most common manganese, medium-grained strong magnetic separator, coarse and fine strong magnetic separator has gradually been applied to micro-fine strong magnetic separator is still at an experimental stage.

(4) weight - magnetic separation

At present, new and converted into a weight - magnetic separation plant, Liancheng, Fujian, Guangxi, leading, Jingxi and lower mines manganese. Such as the Citylink manganese weight - magnetic separation plant, processing oxide ore leaching, the use of AM-30 jig handle 30 ~ 3mm of washed ore, manganese available to more than 40% of the quality manganese ore, and then handled impurities selecting battery manganese raw material. Jig tailings and less than 3mm wash mine diameter grinding to less than 1m, with a strong magnetic separator, sorting, manganese ore grade increased by 24% to 25%, 36% to 40%.

5 Magnetic - flotation

Currently used in magnetic - flotation process is only Zunyi manganese. The mine is a manganese carbonate-based, low manganese, low phosphorus, iron ore.

According to industry tests the grinding process using a rod mill - milling stage grinding, and size of equipment are φ2100mm × 3000mm wet mill. The strong magnetic shp-2000-type magnetic machine, flotation machine with CHF type inflatable flotation machine. After years of production tests, good performance, well suited to the Zunyi manganese ore dressing application. Magnetic - flotation process successfully tested and in production are applied, marks China's manganese deep election a big step forward.

6. Fire enrichment

Fire of manganese ore enrichment deal with high phosphorus, high iron refractory poor manganese ore a sorting method, commonly known as the manganese-rich slag. Its essence is the use of the reduction temperature of manganese, phosphorus, iron in the blast furnace or electric furnace to control its temperature to a high temperature for the selective separation of manganese, phosphorus, iron and sorting.

Pyrometallurgical enrichment process is simple, stable production, effective separation of the ores of iron, phosphorus, and get-rich manganese, low iron, low phosphorus manganese-rich slag, this rich manganese slag containing Mn35% to 45% of the general Mn/Fe12 38, the P / Mn <0.002, a high quality manganese alloy materials, but also the natural rich manganese ore is difficult to achieve the above three indicators of man-made high-grade ore. Therefore, the pyrometallurgical enrichment for our high-phosphorus iron and low manganese difficult beneficiation in terms of promising mineral processing methods.

Chemical selected manganese France

The chemical beneficiation of manganese, China has carried out extensive research, including test more, more promising: even Kraft, black manganese France and bacterial leaching of manganese law. Has not yet put into industrial production.

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gravity separator is to make separations of useful minerals from gangues by use of the different particles subject to gravity, hydraulic pressure and friction in the multi-force field through dynamic centrifugal flowing membrane of slurry produced on the inclined surface of spiral based on the differences of useful mineral and gangue in specific gravity, particle size and shape. Water in the spiral chute runs downward spiral movement and also flows in circulation transversely. Water in the upper layer run fast, generating centrifugal force with large inertia to toss toward the outer edge of the chute. Back-flow of water in the lower layer adjacent to the chute bootom runs slowly with small centrifugal force and flows from the outer edge to the inner edge with the action of gravity, generating secondary back-flow. Particles of heavy minerals in slurry settle rapidly and gradually moves toward the inner edge along the converged helix prior to finally being produced as concentrate. Light minerals settle slowly and flow fast in the surface layer of ore flow with large centrifugal force and gradually move toward the outer edge along the expanding helix before finally being produced as tailings.

Jiangxi province mine machinery factory vacuum and pressure gravity separators have a reputation of being the most accurate and efficient separators available. Our six years of experience incorporate the most current design features with the three essential elements of a separation system - air flow, speed of vibration, and the deck's differential action. The vacuum system distributes the product eliminating dust, light foreign matter and contaminants. Our separators feature heavy-duty steel construction, centralized lubrication, and simplified/accurate crank controls. Additional options and modifications are available to meet stringent needs and demands of the products and processing industry. The many design features of the Jiangxi province mine machinery factory vacuum and pressure gravity separators provide the highest degree of operation control to insure the best possible product separation.

buy gravity separator spiral separation

JT sawtooth wave jig is a new type of jigs. It is one of the types of modern gravity separation equipment. New it has formed series whose use is expanded. Such type of jig uses electromagnetic stepless speed regulation which features even rotation, smooth ore current, strong adaptability to selected materials, good separation effects of medium and fine grains, and water saving. Since such jigs have large handling capacity and wide range of sorting particle sizes as well as are easy for operation and maintenance, they are mainly used to sort alluvial gold, tungsten ores, tin ores, hematite, and beach placer.

Traditional jigs mostly adopt circumferential off-center drive. Their jigging pulsation curves are mostly sine waves. The ascending and descending water flow velocity and action time produced by septal movement are basically the same. These hinder the loosening of jig beds and layering of ore grain according to gravity. Therefore, the sorting ratio and recovery rate of equipment are affected.

Sawtooth wave jigs are a kind of energy-saving gravity equipment development and improved on the basis of traditional jigs according to the theoretic layering law of jig beds. Their jigging pulsation curves take the shape of sawtooth waveform which gets the ascending water to travel more rapidly than the descending water. The ascending time is short while the descending time is long. The problem that the ascending and descending water flow and action time produced by sine wave and pulsation wave are the same is solved. The looseness of the bed is strengthened and suction function is alleviated so that the heavy ore grains in the minerals are able to precipitate fully and the sorting ratio ability and recovery rate of equipment are largely improved. Compared with sine wave jigs through industrial tests, the recovery rate of sawtooth wave jigs are higher than that of sine wave jigs respectively in Sn:3.01%, W:5.5%, Pb:1.63%, and Zn:2.04%. The water consumption is reduced by 30%to 40%. The area of flooring area is reduced by one-third and the stroke can be adjusted. Since electromagnetism governing-speed motors are adopted for dragging to enable the jig frequency to be steplessly regulated and their parameters reached advanced domestic level, such jigs are one of the ideal types of energy saving gravity separation equipment.

1. Box? 2. Level? 3.6 Bearing 7206? 4.7.8 Adjustment gland? 5. Gear shaft? 9. Bearing 313? 10. Bearing 8112? 11. Crank shaft? 12.15.23.27 Nut? 13. Dust cover? 14. Drill drift? 16. Cam? 17. Drill drift seat? 18. Shaft? 19. Joint bearing inner ring? 20. Joint bearing outer ring? 21. Shaft sleeve? 22. Shaft? 24. Gear? 25. Bearing 2216? 26. Adjustment angle? 28. Shaft? 29. Bearing 7207? 30. Bearing cover (roller)? 31. Back cover plate? 32. Adjusting screw

IV. Equipment Installation

For the jigs, the bottom surface of the frame must be installed horizontally to ensure the gradient of the screen in the tank is within the design scope.

Model	Area jig	Stroke	Stroke	Feed size	Hutch water	Pressute water	Capacity	Power	Overrall dimensions	Weight
m2	mm	r/min	mm	t/h	kg/cm2	t/h	kw	mm	t
JT0.57-1	0.57	8.5-12 (M12)  10-17 (M17)	60-160	＜6	1-2	≥0.3	1-2.5	1.5	1560×820 ×1550	0.612
JT1-1	1.04			＜10	2-3		4-10	2.2	1322×1190 ×1915	0.9
JT2-2	2.28	8.5-12 (M12)  10-17 (M17)	60-160	＜10	2-4	≥0.3	8-15	3	3225×1550 ×2150	1.637
JT3-1	3.3	10-47	80-110	＜20	3-6	≥0.1	10-15	5.5	2662×2000 ×3030	3.26
JT4-2	4	7-30	50-125	＜10	4-8	≥0.1	8-16	7.5	4240×1990 ×5750	4.6
JT4-2A	4	7-30	50-125	＜10	4-8	≥0.1	8-16	4 两台	4240×1990 ×2750	4.6
JT5-2	4.86	15-25	80-120	＜10	4-10	≥0.1	10-20	7.5	3940×2006 ×2580	4.8

Note: With the amount of recharge capacity and size to the ore, ore properties and operating conditions vary.

1.Use

YA Drum Vibrating Screen is primarily applied in coal, metallurgical, power generation, building material, water conservancy, light and chemical industries and other industries and a highly efficient screening machine to classify coal, ore, coke and other bulk materials.?

2.Working Philosophy and Structural Property?

The screen is operated by electric motor to drive vibrator with eccentric mass via delta belt, allowing screen box to vibrate, with the motional orbit of the screen box being circular.

The screen is composed of screen box, vibrator, spring damping device, supporting underframe and others, as shown in Fig.1. The screen box uses the advanced ring groove rivet for connection and is of frame structure.

The vibrator adopts eccentric shaft and eccentric block and the spring damping device uses steel spiral spring.

This classfiers suitable for dewatering,medium,drainaging amd spraying in ore clressing for medium and fine naterial wet and dry classifying in mine.

Such machine is mainly used in the production flow of metal processing. According to the difference in sedimentation rate of mineral particles and mud, the particle sizes of ores with 14-325 meshes are classified. Waste mud or water for ore sand can be separated from the ores.

Such machines are divided into single spiral classifiers and double spiral classifiers. Beside, they are also divided into high weir spiral classifiers and submerged spiral classifiers. If the overflow edge is higher than the center line of spiral shaft and lower than the external diameter of spiral at the overflow end, the spiral classifiers are high weir ones. If the overflow edge is higher than the center line of spiral shaft and also higher than the external diameter of spiral at the overflow end, the spiral classifiers are submerged ones. High weir classifiers are usually used for the classification with particle size of below 100 meshes. Submerged classifiers are usually used for the classification with particle size of below 200 meshes.

3.Technology parameters

Model	Spiral Dia.	Spiral Speed	Output		Motor Power		Weight
Circulating Load	Overflow Quantity	Lift Lower	Drive
mm	r/min	t/24h	t/24h	kw	kw	t
High-weir single spiral classifier
FG-3	Φ300	8.3-2.2	30-80	10-30	2.2	1.1	0.67
FG-5	Φ500	8.5-15.5	143-261	32	2.2	1.1	1.6
FG-7	Φ750	4.5-9.9	256-564	65	2.2	3	2.83
FG-10	Φ1000	3.5-7.6	473-1026	85	2.2	5.5	4
FG-12	Φ1200	5、6、7	1170-1600	155	2.2	5.5	8.54
FG-15	Φ1500	2.5、4、6	1140-2740	235	2.2	7.5	11.68
FG-20	Φ2000	3.6、5.5	3890-5940	400	3	11、15	20.45
FG-24	Φ2400	3.64	6800	580	3	15	25.65
FG-30	Φ3000	3.2	11650	893	4	22	40.9
High-weir double spirals classifier
2FG-12	Φ1200	5、6、7	2340-3200	310	2.2×2	5.5×2	15.84
2FG-15	Φ1500	2.5、4、6	2280-5480	470	2.2×2	7.5×2	21.11
2FG-20	Φ2000	3.6、5.45	7780-11880	800	3×2	22、30	36.34
2FG-24	Φ2400	3.67	13600	1160	3×2	30	53.49
2FG-30	Φ3000	3.2	23300	1785	4×2	40	73.03
Submerged single spiral classifier
FC-12	Φ1200	2.5、4、6	1170-1630	120	2.2	7.5	11.1
FC-15	Φ1500	2.5、4、6	1140-2740	185	2.2	7.5	15.32
FC-20	Φ2000	3.6、5.5	3890-5940	320	3	11、15	29.056
FC-24	Φ2400	3.64	6800	455	4	18.5	37.267
FC-30	Φ3000	3.2	11650	705	4	22	46.2
Submerged double spiral classifier
2FC-12	Φ1200	3.8、6	1770-2800	240	2.2×2	7.5×2	19.61
2FC-15	Φ1500	2.5、4、6	2280-5480	370	2.2×2	7.5×2	27.45
2FC-20	Φ2000	3.6、5.5	7780-11880	640	3×2	22;30	50
2FC-24	Φ2400	3.67	13700	910	3×2	30	53.491
2FC-24	Φ2400	3.67	13700	910	4×2	37	65.283
2FC-30	Φ3000	3.2	23300	1410	4×2	45	84.87

Note: (1) In the table, C represents submerged type, G represents high weir type, 2F represents double spiral type, and F represents single spiral type. (2) The production capacity in the table is figured out based on empirical formula according to factors such as overflow particle size, revolution speed of screw and screw diameter in ore ratio.

IV. Structure Description

1. General Description

This kind of machine is composed of transmission mechanism, (left, right) spiral water tank, lifting device, lower support, lubricating device, ore discharge valve, feed inlet, etc (See the attached general drawing for details).

The water tank of this machine is installed obliquely. The angle of inclination is determined according to equipment configuration of equipment in the process flow. The (left, right) spirals driven by the transmission mechanism rotates in the water tank. The finely grained slurry enters the water bank from the feed inlet at one side and forms one slurry precipitation zone, whose surface area and volume depends on the value of the water tank’s inclination angle and the height of overflow edge. The spirals rotating at a low speed play a certain stirring role. After the slurry is stirred, the light and fine particles float above the surface and overflow from the overflow edge. Then they flow into the next working procedure of ore dressing. The heavy and thick particles sink into the bottom of the water tank and become return sand which is transported by the spirals to the ore discharge mouth for discharge.

If ore grinding and classification are closed loop operation, the return sand discharged from the ore discharge mouth still goes into the mill for further grinding. Classifiers normally form closed loop operation together with mill.

Function Diagram

1. Transmission mechanism? 2. Left spiral? 3. Right spiral? 4. Lower support?

5. Lifting Device? 6. Water tank

4. Structure Description of Main Parts

?(1) Transmission mechanism: Ф3000, Ф2400 andФ2000 classifiers consist of motor, coupling, speed reducer coupling cylinder and bevel gear pair whileФ1500 andФ1200 classifiers consist of motor, V-belt, and speed reducer cylinder gear pair. The transmission mechanism drives the rotation of spiral.

(2) (Left, right) spirals: Spirals consist of hollow shaft, bracket, spiral vane, iron liner, etc. The upper ends are supported in the cross-shaft sleeves while the lower ends are supported in the lower support. Hollow shafts whose diameter is over 500mm are welded with two semicircular long steel plates so that shaft fracture due to poor welding quality caused by transverse weld can be avoided. For hollow shafts with small diameters (such as 325mm), seamless steel pipes are used. When the spirals are rotating, the spiral vanes stir the slurry slightly. The light and fine particles are discharged from the overflow weir while the heavy and thick particles are conveyed to the ore discharge mount for discharge. Anti-wear life of iron liner is very important. It needs further study.

(3) Lower support: As lower support long operates submerged in the slurry, its sealing is very important. The sealing of lower support directly affect the service life of bearings. In design, it is of the multilayer cotton yarn valve-clack type packing and high-pressure grease double seal structure, and is equipped with manual dry pumps on the lubricating device. It can fill grease to the inside of bearings on a regular basis to maintain its sealing property.

(4) Water tank: Water tank is welded through steel poles and all kinds of profile steel. Due to difficulty in transportation, the water tanks ofФ3000, Ф2400 andФ2000 classifiers are generally assembled and welded at the workplace. The water tank shall bear the weight of the machine itself and all load. Therefore, the design of foundation supporting the water tank is very important (the structure should be reasonable and the foundation shall be firm). To avoid the water tank becomes deformed due to improper supporting and thus affect the operation of machine, the diagram of foundation structure is attached for this machine which can serve as the reference basis for foundation design.

(5) Lubricating device: To improve the lubricating conditions of machines and better the lubricating and sealing property of lower support bearings, the lubrication method of manual centralization lubrication is adopted forФ3000, Ф2400 andФ2000 classifiers. It is equipped with manual dry pumps and operating valve and can infuse grease to the insides of all bearings on a regular basis. Some users can decide if the lubricating control console is installed along the left wall or right wall according to specific operating conditions. Or it can be installed otherwise. The lubrication method of manual lubrication is adopted forФ1200 andФ1500 classifiers.

(6) Drain valve: Drain valve is installed at the lower of the water tank so that slurry can be discharged from the water tank when necessary. During normal operation, the valve can be shut off.

(7) Lifting device: The lifting device consist of motor, wheel reducer, bevel gear pair, nut with thread, and other parts. When the classifier stops working, lifting device is installed with an aim to preventing the solid in the slurry from precipitating and pressing the spirals so as to damage machine parts as well as facilitating repair work. When the classifier stops working, the spirals must be lifted from the water tank to get most of the spirals away from the slurry. For the safety of lifting operation, stroke end switch is installed so that the lifting journey can be controlled automatically. See Figure 2 for Electrical Schematic Diagram.

Besides, electrical schematic diagrams for spiral classifier rotation and lifting linkage control are designed (Figure 6). When the classifier stops working, with the startup of lifting device the spirals can automatically be lifted to a certain height. When the classifier is working, the spirals can be automatically lowered to the working position during the rotation of lifting device to keep the hollow from being fractured due to overload. Whether to install linkage control electric device shall be determined by the user according to actual conditions. The manufacturer does not provide parts and components required by this electric installation.

Figure 2: Electrical Schematic Diagram of Lifting Journey Control of Lifting Device

RD – Fuse? TA – Stop light

SC – Contactor for lifting? SXK – Lifting journey switch

JC – Contactor for lowering? JXL – Lowering journey switch

JA – Lowering startup

Indian Commerce and Industry Bureau of Anti-Dumping May 23 originating in China and Thailand grinding balls steel ball (other than forging steel ball outside, Grinding Media Balls (excluding forged Grinding

steel grinding ball )) initiated anti-dumping investigations. This is new for me this year, India launched the first anti-dumping investigations.

Investigate the applicant is a company in India AIA Engineering and Welcast Steels Corporation, Indian Customs Code of the product involved 73,259,100. Dumping investigation period is January 1, 2010 to 2010

December 31, injury investigation period of April 1, 2007 to December 31, 2010. Anti-dumping Authority requires all stakeholders should be within 40 days from the date of the notice submitted to the relevant evidence.

Applicant said that given China's non-market economy, chrome steel balls , anti-dumping Authority should use the structure of prices (in India based on data) to calculate the normal value of Chinese products.

We usually refer to is not the entire screen of the sieve mesh sieve full amount.
We buy vibrating sieve, the first screen to be clear what is their own material, and then screening the material according to particle size, choose to meet the needs of our screening mesh. Description

The above mesh screen are mesh, wire diameter, pore size, diameter, material, and other technical parameters of the effective screen surface, the length unit is usually the case in millimeters (mm) as the standard.
National standards are not the same size sieve, commonly used system is based on the Taylor number of holes per inch for the screen size, called the head. The so-called mesh refers to material granularity or coarseness, generally defined as 1

Square inch of the number of mesh number, the screen mesh number. Materials through the area in the number of mesh, which is defined as the number of mesh:
For example, 200 mesh, that is, through one square inch of the material within the 200 mesh sieve.
For example, 100 mesh, that is, through one square inch of the material within the 100 mesh sieve.
For example, 50 mesh, that is, through one square inch of the material within the 50 mesh screen.
And so on, can be learned: the mesh sieve with pore size and particle size is inversely proportional, and proportional to the number of holes. Namely: the greater the mesh, the more holes, aperture smaller, the finer the particle size; mesh more

Small, less number of holes, the greater the aperture, indicating that the larger particle size. Therefore, we must address the required filtering material particle size, choose the best screen work to meet our needs.
Described above, for the choice of a single sieve size is sufficient. Which can determine: When we need to classification of multi-shaker screening materials, how should the number of stacked sieves of different mesh

Net. To the above cited three quarry screen mesh (ie, three vibrating screen: 50 mesh, 100 mesh, 200 mesh) as an example:
Bottom: 200 mesh
The middle layer: 100-mesh
Top: 50 mesh

60 years later, with the jig equipment the development of coal preparation technology. Especially since the 1950s, the major coal-producing countries have developed a number of new jig, the jig is also the original body, the wind

Valve and discharge devices, etc. With the new improvements. The emergence of this new situation can be summarized as the following aspects: First, changes in coal quality, and promote the development of coal preparation technology with

Increased mechanization of coal mining, waste rock mixed with coal in the amount of increase in coal increased. Off dust using water technology, coal moisture increases, the need in the process and coal preparation equipment side

Surface to adopt new technical measures. In recent years, Germany for the development of waste rock with dynamic selection Jig machine. It can increase the coal preparation plant processing capacity, but also improve the plant efficiency and simplify the number of slurry system

. 1989 China has successfully developed a dynamic sieve-type jig, and production applications. In the washing of coal, the German developed a variety of special revival slime washing jig, jig in this

Normal intake jigging cycle phase superposition hours cycle, so you can jig washing down to the lower limit of about 0.2mm. I value imperfect degree of separation is about 0.18. Another type of slime superposition cycle GHH

Jig, the machine cycle is characterized by low-frequency superposition for the 20r/min, during the intake phase of the pulse can be added a few small, so that the bed loose time from 0.4s to 2s and more extended. Small pulse energy to add the results of intermittent

, Is the decline in high-density materials, the low-density materials continues to suspension, to improve the stratification conditions improve washing results. Second, technological development as jig jig practical experience in product selection

Tired and mineral jig of deepening understanding, promoting jigging technology. Coal jigging process the world is more popular pieces, the end of grading and washing of coal. Classification granularity than in the past, there are big

The difference. Lump jig selected, the lower limit tends to increase. Size limit from 50 (65) mm to 100 ~ 120mm, or even to 150mm, minimum size of 10 ~ 13mm from the past up to 20 ~ 25mm.

This is the end of the particle size of coal jigging maximum size limit its downward trend. Third, the scientific and technological progress on Coal Preparation Technology jig jig coal preparation technology to promote the development trend of high

Efficiency, large capacity, centralized control and a high degree of automation, from large to adapt to this trend, the next screen jig air chamber side air chamber than the sieve jig accounted for a large advantage. Such as Germany's Badakhshan jig

Machine, Nagata of Japan under the NU-sieve jig air chamber, the body into a V-shaped bottom, after the jig area expanded to 27m2, able to maintain a uniform horizontal amplitude. France for many years produced only a

Peak-type species of coal jig late 1980s and developed the LG and FG-type lump and fine coal jig, and have been sold to Europe, America, Asia and the states about countries. In addition, Poland and other countries have successfully developed coal

The air chamber with a screen jig. In the early 1960s on the successful development of 10m2 and 6m2 industrial air chamber under the screen jig. After 80 years, Tangshan Coal Research Branch of the National Cheng Kung University has developed an area of SKT-

24m2 room air under the screen jig. The machine uses a combination of advanced technology, especially computer numerical control technology. The series products are developing rapidly. Pingdingshan Coal Design and Research Institute developed into another series of

Air chamber under the screen jig. Coal Co., Ltd. Shandong Xin Jia air chamber under the screen jig, multi-room digital valve technology and share the slide valve cone, reliable, 70% lower failure rate can be

Consumption is small, to meet the needs of different media sorting, processing more than 20% increase; structure is more reasonable, easy to transport and installation, equipment load reduction 30%; power reduced by 70% or more.

 

Spiral concentrator separation tank for vertical installation, parabolic trough cross-section similar to the second or 1 / 4 oval spiral concentrator equipment. As shown, the equipment to the mine by the slot, spiral groove, red tank, concentrate (

Weight products) interceptor and the discharge tube, gravity separator tailings slot and rack components. Spiral groove is the main sorting parts, its cross-sectional shape, diameter and pitch indicators that affect the sorting of the main structure parameters. To enter the

Slurry flow rate, pulp density gravity concentrator , particle size of ore is the main process parameters, which can vary within a wide range, has little effect on production targets. Additional edge in the spiral tank washing water, to increase in

Edge of the heavy minerals with a loose degree, and improve its quality. Spiral concentrator is mainly used for sorting 3 ~ 0.05mm tungsten, tin, iron, niobium, tantalum and other minerals, and contain ilmenite, rutile, zircon

, Monazite, gold separator platinum placer. When asked to use the amount and concentration of mineral stability, and pre-remove weeds and debris such as wood chips.