Apron feeder is generally divided into heavy, medium and light three, is commonly used in concentrator feeding equipment. The lightweight apron feeder is a continuous feeding machine, suitable for short distance delivery of bulk materials with feed size below 160mm. In the mining, processing plant, chemical industry, cement, building materials and other departments, it is widely used from the storage bin to the crushing, transportation and other machinery for uniform continuous feeding.

Apron feeder chain transmission is a transmission mode that transmits the motion and power of the active sprocket with special tooth shape to the driven sprocket with special tooth shape through the chain, which can form a circulating transmission loop. It is a common transmission mechanism in the mechanical field. In the actual application process, the chain drive may be affected by external factors and reverse, which occurs in some devices such as apron feeder, which will cause irreversible damage to the chain itself and the transportation of materials, so a device to prevent chain reversal

Mineral sizers is mainly composed of gear box, frame part, fixed roller, movable roller, linkage device and so on. The toothed crushing plate is the main part of the fixed stick, and the toothed crushing plate is in direct contact with the ore, which requires the high hardness of the toothed crushing plate. Therefore, the tooth crushing plate is selected to contain chromium high manganese steel

With the demand of the limestone market, the demand for different particle grades is high, so the block ore rate can only be increased from the mining process, but the generated block has increased than in the past. The underground coarse crushing is set at the bottom of the high and deep ore pass, and the ore is sent to the crusher by the heavy apron feeder.

Mineral sizers is one of the main equipment in the production process in basic industrial sectors such as raw materials, power and coal, used to break raw ore or materials of a certain size to the required size. According to the particle size of the material and the size of the product, the crushing process can be divided into coarse crushing, medium crushing and fine crushing, and the toothed roller crusher is more suitable for the coarse crushing and medium crushing of the material.

The banana screen is designed with the know-how of filling a manbanana-shaped multi-stage screen on a linear vibrating screen. The screen box moves in a straight line at a certain angle under the drive of a double unbalanced vibrator rotating in a synchronous direction.

An important link in cement production is grinding (stone or clinker grinding into fine powder), the traditional ball mill, large energy consumption, now the most used is vertical roller mill, the advantages of this mill is energy saving and high efficiency, but it has a feature is that the feed and discharge are from the upper part of the mill, simply said that the stone falls into the mill from above, the fine powder material grinding from above with high negative pressure.

Our company has developed an improved apron feeder frame. Its structure is A steel plate on the slide rail, the steel rail is located on the A steel plate, the slide rail and the B channel steel are H-shaped steel, the H-shaped steel and the slide rail are connected by diagonal support, the bottom of the B channel steel is provided with several baseplates, and the left side of the B channel steel is B Angle steel.

This paper analyzes the screening principle of banana screen, summarizes the development status of banana screen at home and abroad in recent years, and compares and analyzes the differences of banana screen at home and abroad in design concept and design method, selection of technical parameters, design of key parts, anti-corrosion, anti-wear treatment, power consumption of equipment, vibration and noise control.

Mineral sizers is a crushing device for brittle materials below medium hardness, which is widely used in mine production. Compared with the commonly used jaw crusher, mineral sizers has the greatest advantage of double motor drive, which greatly improves the crushing capacity in the field, and has the characteristics of simple manufacturing

The length of the open-pit working line not only has a direct relationship with the production stripping ratio, but also has an impact on the distance of the open-pit and the amount of capital construction, thus affecting the economic benefit of the entire open-pit. At present, the mining of coal seams in large open-pit coal mines mainly uses the semi-continuous process of single-bucket excavation-truck - semi-fixed crusher - belt conveyor, and the length of the working line plays a crucial role in the system.

Mineral sizers is a crushing equipment widely used in the production of aluminum electrolytic anode. With the promotion of the crusher in the market, some users have reported that the discharge control structure of this type of crusher fails after several years of use. The design of the tooth mixing type and the roller tooth structure are discussed, and the improvement idea is put forward, which has certain guidance for the solution of the problem.

The utility model discloses an easily replaceable anti-wear device for a banana screen lower crossbeam, in which an easily replaceable wear-resistant protective top is arranged between the screen plate and the lower crossbeam, and under the protection of the wear-resistant protective top, the lower crossbeam is not worn.

In view of the low efficiency and high labor intensity of replacing the traditional heavy duty apron feeder chain plate devices one by one, we adopted measures such as setting up slipway platform to improve the maintenance site, pre-assembling the chain rail and chain plate in non-maintenance time, and carried out the overall replacement, which significantly improved the replacement efficiency, reduced the labor intensity of employees, and reduced the downtime of the sintering machine by more than half. The output of sintering machine is increased.

Vibrating screen is the key equipment in industrial production, processing in line with the process requirements of banana screen screen, for industrial and mining enterprises economic and reasonable operation, optimize production costs, reduce the labor intensity of workers has far-reaching significance. SUS304 stainless steel is widely used in various industries due to its high surface gloss and good corrosion resistance. Under special working environment, the screen plate must be processed using SUS304 stainless steel sheet.

Apron feeder is widely used in mining, metallurgy, building materials and coal and other industrial sectors, suitable for short distance transport of large block degree of materials, with the advantages of large load bearing, uniform ore feeding, strong impact resistance. At the same time, it also has the disadvantages of large volume, more moving parts, more lubrication points, and large maintenance workload.

In order to solve the drawbacks of traditional mineral sizers using safety pin as overload protection, such as easy to break pin, difficult to replace, long maintenance time and high cost, the traditional safety pin overload protection mode is reformed by using the principle of dental insert safety clutch. The results show that the clutch can reset automatically after the overload fault is eliminated, the operation is reliable, the maintenance is simple and fast, the cost is low, the service life is long, and the direct and indirect economic benefits are significant.

The initial construction scale of Xinjiang opencast coal mine was 1.5 million t/a, and after being put into operation, the scale gradually reached 7 million T /a after repeated renovation. At present, the mine adopts semi-continuous mining technology, which is mainly composed of fixed crushing station under pit, 1" screening workshop, final coal loading bin, 3# and 4 screening crushing system, coal storage facilities, off-site road and living facilities.

There are three series designed by an iron concentrator, among which series I and II are oxidized ore series and series III are primary ore series. In 2018, in order to further improve the grinding grade and processing capacity of series Ⅲ primary ore

The crusher of our customers in Xinjiang is designed and produced by our company, with the designed crushing capacity of 3000t/h. The crusher, together with the belt conveyor, type A and Type B cars, forms the semi-continuous production system of Yimin open-pit mine.

With the newly building of large coal mine and coal preparation plant in our country, the capacity of mineral sizers has not been met. Therefore, on the basis of absorbing and drawing on the advantages of the existing crusher at home and abroad, I have developed the large medium crusher mineral sizers high strength double-tooth roller mineral sizers.

Sidewall belt conveyors often provide significant benefits for higher capacity conveying due to lower power requirements, less wear and minimal spillage. Sidewall belt conveyors are more suitable for wood chip transportation.

Feeder breakers offer a robust, high-capacity and reliable solution for primary coal crushing at mine sites. Their ability to control product size, limit fines and operate continuously with minimal maintenance contributes to improved mine productivity, safety and reduced operating costs.

Apron feeder is a kind of continuous feeding machinery, which is suitable for conveying various blocky, granular or powdery materials, such as ore, coal, cement, building materials, etc. The plate feeder is composed of motor, reducer, sprocket, chain, chain plate and conveyor trough, which can realize uniform and continuous feeding of materials.

For a long time, people have been crushing materials by extrusion, i.e., by applying pressure to the material to deform it. When the energy absorbed by this deformation is sufficient to overcome the bonding force between the atoms of the material, the displacement between the atoms is produced, thus achieving the purpose of crushing the material. On this basis, crushing equipment such as jaw crushers, rotary crushers, impact crushers and hammer crushers have been developed.