Size of discharge port of spiral classifier

Publish: 2021-05-29 16:41:27

bus route: b3-b road → K20 branch → 809 Road, the whole journey is about 70.0km

1. Walk about 350m from longhui hub to longhui hub station

2. Take b3-b Road, pass 4 stops, reach east bus station

3. Walk about 80m, reach east bus station

4. Take K20 branch, pass 2 stops, reach Dongguan station (or take K20 Road)

5 Walk about 250 meters to Dongguan station

6, take bus 809, pass 26 stops to lvtan Ercun station

7, walk about 380 meters to 365 convenient service center

2. Hello: you said that the anti sand water is actually backwater. I wonder if your concentrator has a flotation system? If there is a flotation system, the first thing to consider is whether the nature of flotation reagent will cause backwater viscosity. If it is viscous, it will affect the pulp viscosity and flow rate inside the mill (pulp will change when it reaches the highest point with the operation of the ball mill) and the discharge speed, and even lead to swelling. If the pulp inside the ball mill cannot be removed in time for a long time, the internal concentration will increase, The fineness will definitely decrease
in addition, attention should be paid to the acidity and alkalinity of backwater
generally speaking, backwater has little effect on fineness, but has some effect on other flotation indexes

3. Spiral classifier is a kind of special and more complex spiral conveyor than ordinary spiral conveyor. It was first invented by American akbn in 1920s
the spiral classifier is mainly used for grading, washing and dewatering of sand or minerals, and its structure and principle are similar to that of screw conveyor< One, about the spiral classifier:
spiral classifier is one of the mineral processing equipment, spiral classifier by virtue of the proportion of solid particles is different, so the speed of precipitation in the liquid is different, a kind of mechanical classification equipment. It can filter the grinding powder in the mill, and then screw the coarse material into the feed port of the mill by using the spiral blade, and discharge the filtered fine material from the overflow pipe. Spiral classifier is called classifier for short. There are mainly four kinds of graders: high weir single screw and double screw, submerged single screw and double screw< Second, the working principle of the spiral classifier:
the spiral classifier is based on the principle of different solid particle size and specific gravity, so the settling speed in the liquid is different. The fine ore particles float in the water and overflow, and the coarse ore particles sink at the bottom of the tank. It is a kind of classification equipment for mechanical classification by pushing the screw upward to discharge. It can filter the powder from the mill, and then screw the coarse material into the feed port of the mill by using the screw, and discharge the filtered fine material from the overflow pipe. The base of the machine is made of channel steel and the body is made of steel plate by welding. The head of screw shaft and shaft head are made of pig iron sleeve, which is wear-resistant and rable. The lifting device can be divided into electric and manual< Third, about screw conveyor:
screw conveyor is divided into axial screw conveyor and shaftless screw conveyor in the form of conveying, and U-type screw conveyor and tubular screw conveyor in the appearance. The shaftless screw conveyor is suitable for non sticky dry powder materials and small particle materials (such as cement, fly ash, lime, grain, etc.), while the shaftless screw conveyor is suitable for the materials that are sticky and easy to wind For example: sludge, biomass, garbage, etc.) the working principle of the screw conveyor is that the rotating screw blade pushes the material to the screw conveyor for conveying. The force that makes the material not rotate together with the screw conveyor blade is the weight of the material itself and the friction resistance of the screw conveyor shell to the material. For the spiral blades welded on the rotating shaft of the screw conveyor, the surface types of the blades include solid surface type, belt surface type and blade surface type according to the different materials transported. The screw shaft of the screw conveyor has a thrust bearing at the end of the material movement direction to provide axial reaction force to the screw with the material. When the captain is long, the middle suspension bearing should be added< 4. Working principle of screw conveyor:
when the screw shaft rotates, e to the gravity of the material and the friction between the material and the tank wall, the material can only move forward along the bottom of the conveyor under the push of the blade, which is like the translational movement of the nut along the rotating screw. The movement of the material in the middle bearing depends on the thrust of the material moving forward behind. Therefore, the transportation of materials in the conveyor is a sliding movement. In order to make the screw shaft in a more favorable tension state, the driving device and the discharge port are generally placed at the same end of the conveyor, and the feed port is placed near the tail of the other end as far as possible. The rotating screw blade pushes the material to transport, and the force that makes the material not rotate with the screw conveyor blade is the weight of the material itself and the friction resistance of the screw conveyor shell to the material. According to the different conveying materials, blade surface types include solid surface type, belt surface type and blade surface type. The screw shaft of the screw conveyor has a thrust bearing at the end of the material movement direction to provide axial reaction force to the screw with the material. When the captain is long, the middle suspension bearing should be added.

Spiral classifier mainly includes high weir single screw and double screw, low weir single screw and double screw, submerged single screw and double screw. Low weir is rarely used, mainly high weir, submerged and XL spiral classifier
spiral classifier is widely used in ore dressing plant and ball mill to form closed-circuit circulation and separate ore sand, or in gravity dressing plant to classify ore sand and fine mud, and in metal dressing process to classify ore pulp particle size, as well as desliming and dewatering in ore washing operation. The machine has the characteristics of simple structure, reliable operation and convenient operation
the base of the machine is made of channel steel, and the body is made of steel plate by welding. The head of screw shaft and shaft head are made of pig iron sleeve, which is wear-resistant and rable. The lifting device can be divided into electric and manual. 1. It is used to separate the super standard stone powder in the dry process of machine-made sand. It is very convenient to control the content of machine-made sand powder and meet the requirements of users
2. It is suitable for large and medium dry sand proction lines
3, 0.00-0.75mm stone powder content can be adjusted between 2% - 15%
4. The quality of stone powder is easy to control, and the fineness adjustment is convenient, flexible and reliable
5. The maintenance rate of tile lining is very low
6. Frequency conversion control technology makes the operation more concise. Model FC-12 2fc-12 fc-15 2fc-15 FC-20 2fc-20 specification φ one thousand and two hundred φ one thousand and two hundred φ one thousand and five hundred φ one thousand and five hundred φ two thousand φ 2000 screw diameter (mm) 1200 1500 2000 screw speed (R / min) 2.5,4,63.8,62.5,4,62.5,4,63.6,5.53.6,5.5 flume length (mm) 8400 8100 10500 10500 12900 width (mm) 1372 2600 1664 3200 2200 inclination angle 14 °~ ten ° 30″ 14 °~ eighteen ° 30 ″ overflow weir height 1100 1100 1300 1800 1800 spiral lifting height 14001100 1800 2100 2100 calculated proction capacity (T / 24h) overflow 120 210 185 370 320 640 return sand amount 1165 ~ 1630 1770 ~ 2800 1140 ~ 2740 2280 ~ 5480 3890 ~ 5940 7780 ~ 11880 overall dimension (mm) (length * width * height) 10371 * 1848 * 3845 10371 * 2787 * 3912 12670 * 1810 * 48 88 12670 * 3368 * 4888 15398 * 2524 * 5345 15760 * 4595 * 5635 total amount (T) 9.519.61 15.32 27.45 29.06 50 37.27 y90l-41, 1.5kw y100l-4, 2.2kw y100l-4, 2.2kw y100l-4, 2.2kw y100l2-4, 3kw y100l2-4, 3w2 transmission y160m-6, 7.5kw y160m2-6, 7.5kw y160m-6, 7.5kw y160m-6, 7.5kw y160m-6, 11kw y200l2-6, The screw speed of 22KW 2 sets is 6 / min when the order is not specified, and 4 / min when the order is not specified, Screw speed is supplied according to 3.6/min, model and specification, screw speed (RPM) proction capacity (ton / day), hydraulic gradient (degree), drive motor
(kw) sand return overflow fg-500 8-12.5 135-210 32 14-18.5 y90l-6
1.1 fg-750 6-10 340-570 65 14-18.5 y132s-6
3 fg-1000 5-8 675-1080 110 14-18.5 y132m-6
5.5 fg-1200 5-8 1170-1870 115 14-18.5 Y160M-6
5.5 FG-1500 4-6 1830-2740 235 14-18.5 Y160M-6
7.5 FG-2000 3-5 3240-5400 400 14-18.5 Y160M-6
11 FG-2400 3.6 4650-7450 580 14-18.5 Y160M-6
15 FG-3000 3.2 11625 890 14-18.5 Y160M-6
22 2FG-1200 5.0-8.0 2340-3740 310 14-18.5 Y132M-6
5.5*2 2FG-1500 4.0-6.0 3660-5480 470 14-18.5 y160m-6
7.5 * 2 2fg-2000 3.0-5.5 7780-11880 800 14-18.5 y160m-6
11 * 2 2fg-2400 3.6 13600 1160 14-18.5 y160m-6
15 * 2 2fg-3000 2.0-3.2 14600-23400 1785 14-18.5 y160m-6
22 * 2 spiral graders mainly include high weir single screw and double screw, submerged single screw and double screw
spiral classifier is widely used in ore dressing plant and ball mill to form closed-circuit circulation and separate ore sand, or in gravity dressing plant to classify ore sand and fine mud, and in metal dressing process to classify ore pulp particle size, as well as desliming and dewatering in ore washing operation. The classifier has the advantages of simple structure and reliable operation. There are four kinds of classifiers: high weir single screw and double screw, submerged single screw and double screw

5. According to the position of the screw in the groove and the height of the pulp surface, it can be divided into three types: low weir type, high weir type and submerged type< The overflow weir is lower than the rotation axis of the spiral. Due to the small settling area, the classifier is only used for washing the sand ore with little mud and dewatering the coarse particles in actual proction, and is rarely used in grinding cycle A high weir overflow weir is higher than the rotation axis of the spiral, but lower than the upper edge of the spiral at the overflow end. The area of the settling area of the classifier is lower than that of the weir type, and its weir height can be adjusted within a certain range, that is, the area of the settling area can be adjusted within a certain range, so as to adjust the grading particle size. It is a common equipment in grinding cycle The submerged type one has 4-5 spiral blades at the end of overflow weir, all of which are submerged in pulp. The settling area of the classifier is large, the classification pool is deep, and the screw stirring has little effect on the pulp surface. Therefore, the grading surface is stable, and the overflow is large and fine. It is often used as classification equipment for fine grinding or two-stage grinding in concentrator proction.

6. Spiral classifier is an old classification equipment. According to the foreign drawings, we first trial proce the spiral classifier. After more than ten years of efforts, we have basically formed a series. There are nearly 20 specifications of 300-3800 mm spiral diameter, which meet the needs of the domestic market. After years of improvement in proct performance, manufacturing quality and structure, certain results have been achieved< General description of spiral classifier: the spiral classifier is mainly composed of transmission device, spiral body, tank body, lifting mechanism, lower support (bearing bush) and discharge valve the water tank of the machine is installed in an inclined way, and the inclination angle is determined according to the equipment configuration in the process flow. The transmission device drives the screw to rotate in the tank, and the ground slurry enters the tank from the side feed inlet, forming a slurry settlement area at the lower end of the tank, and its surface area and volume depend on the inclined angle of the water tank and the height of the overflow weir. After the pulp is stirred, the light and fine particles are suspended on it to form an overflow, which overflows from the overflow weir at the end of the water tank and flows into the next beneficiation process; The coarse and heavy particles are deposited at the bottom of the trough to form the return sand, which is transported to the ore discharge outlet by spiral< The structure of main parts of spiral classifier: 1. Transmission device: the spiral classifier is composed of motor, recer, cylindrical gear pair and bevel gear< Screw (left and right): it is composed of hollow shaft, bracket, screw blade and iron lining. Hollow shaft is welded by seamless steel pipe, journal and flange. The wear-resistant life is the key in use, and the lining iron is made of wear-resistant materials 3. Lower support: because of its long-term immersion in the pulp, it is easy to wear, and frequent maintenance and replacement is its main feature. Therefore, the machine adopts the structure of movable shaft sleeve and nylon bearing bush. When the bearing sleeve and bearing bush are worn, a new set of sleeve and bearing bush can be replaced more than ten minutes after lifting the screw with the lifting mechanism, which is convenient for maintenance and replacement< Water tank: it is welded by steel plate and various section steel. The tank contains all the ore prizes, and bears the weight and all the load of the body. Therefore, the foundation construction of the tank is very important. In order to avoid the deformation of water tank caused by improper support and affect the operation of the machine, the foundation structure diagram is attached to the machine, which can be used as a reference for foundation design 5. Drain valve: in order to discharge the slurry from the water tank when necessary, a drain valve is set at the bottom of the water tank, which can discharge the slurry at any time and can be closed ring normal proction< Lifting device: it is composed of motor, worm gear recer, bevel gear pair, screw, screw and other parts. When the classifier stops working, in order to avoid the solid precipitation in the pulp pressing the screw, resulting in overload operation and the need of maintenance work, a lifting device is set. When the classifier stops, the screw must be lifted from the water tank to make most of the screw leave the pulp. In order to ensure the safety and reliability of the lifting device, a travel end switch is specially equipped to make the lifting travel self-control. When the screw is lifted, hang the screw firmly with the hook to prevent it from falling off. When the classifier stops, the lifting device can automatically lift the screw to a certain height when it is started. When the classifier is working, the lifting device can also rotate to lower the screw to the working position, so as to maintain the service life of transmission parts and prevent the hollow shaft from breaking e to overload. Whether the linkage control electrical device needs to be installed or not, the user can determine according to the specific conditions, and the manufacturer does not supply the parts required by the electrical device.

Regular and legal direct selling does not need to attract people's attention. Direct selling mainly focuses on selling procts. The profit point is to take goods from manufacturers at low prices and then sell them

not everyone can be a direct seller. You need to have a direct seller certificate. If what you encounter is a matter of raising performance, forming a 3-level or above offline and developing into a pyramid model under the banner of a direct selling enterprise, then what you encounter is MLM rather than direct selling

extended information:

direct sales can also be referred to as direct sales by manufacturers, which can be sold directly without agency. It refers to a kind of business sales mode in which direct sales enterprises recruit direct sellers to sell directly to the final consumers

MLM refers to the illegal behavior of organizers and development personnel to obtain wealth by calculating and paying remuneration to the developed personnel based on the number or performance of the personnel directly or indirectly developed, or requiring the developed personnel to pay a certain fee to obtain the qualification to join. The essence of MLM is "Ponzi scheme", that is to say, the money of later comers is distributed to the income of former comers

the new type of MLM: it does not restrict personal freedom, does not accept ID cards and mobile phones, and does not take big classes collectively. Instead, it uses capital operation as a banner to pull people to cheat money, drives luxury cars, wears gold and silver, and uses money to attract your relatives and friends to join, and finally makes you lose all your money

8. There are many problems in making such a big profit. I suggest you don't believe it too much. This kind of head pulling is a bit like pyramid selling.

9. Look at your job in the securities company, but we generally don't hate pulling customers. After all, it is directly related to your income
in addition, there is no meaning to pull the head alone. You can make money only after trading.

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Size of discharge port of spiral classifier

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