Application Of Bentonite In The Litter Industry


With the improvement of the pursuit of life nowadays, people pay more and more attention to the quality of pets in family life. For cats, people have paid more attention to the choice of litter. Bentonite is a clay mineral with montmorillonite as the main component. Since montmorillonite belongs to the 2:1 type three-layer silicate mineral, each layer of the two-layer siloxane tetrahedron is sandwiched with a layer of aluminum octahedron. In the composition, part of the silicon ions in the tetrahedron are replaced by aluminum ions, and part of the aluminum ions in the octahedron are replaced by magnesium ions, which generate a permanent negative charge, which causes the surface of the bentonite to be charged and has strong hydrophilic properties. This property of bentonite is fully utilized in the production of litter using bentonite.

litter is also called pet mat, which is used to exclude feces and odors of domestic pets such as cats and dogs. Keep the indoor sanitation. In the past production of litter, there are wooden litter, colored litter, tared litter, bentonite ore granule litter and regular granule litter produced by bentonite processing.

The bentonite used to produce litter has a certain selectivity, and not all bentonite is suitable for the production of litter. The selected bentonite raw materials are air-dried under natural conditions, so that the moisture of the bentonite is about 10%, the alkali is added 2.5% with a loader, and is naturally aged for 5-7 days, and processed into a 200 mesh 90% pass rate on a Raymond machine. The fine powder is then processed into a litter granule with a diameter of 2-3 mm by adding water and a disinfectant in a ball plate machine. The litter granules are sent to a dryer through a conveying device, and the dried product is sieved and cooled to room temperature. Add 0.5% of the pellet flavor and package the finished product.

As for 200 mesh and D90 passing rate powder, you could choose MTW Series Euro-type trapezium mill of Shanghai Zenith Mineral Company. The MTW grinding mill is mainly applied to the material processing of metallurgy, building materials, chemical industry, mining and other industries. It can grind limestone, calcite,marble, dolomite,quartz with Moh’s hardness below 9 and humidity lower than 6%.

Working Principle

1. The vibrating feeder continuously and quantitatively feed materials into the main grinding chamber for grinding with the ground powder taken away by blower,after being separated by the classifier, the powder reaches the fineness requirement will be collected in the cyclone powder collector together with the airflow and then discharged from the powder discharge value as finished powder products, Subsequently the air flow again enters the blower from the return duct on the top of the cyclone powder collector,thus, a closed air circulation system is formed, with the air circulating under the condition of negative pressure.

2. The main mill works as follows: The bevel gear drives the central shaft to rotate, the shaft top is connected with a grinding roller hanger, on which a grinding roller devices is mounted to form a swinging pivot. The grinding roller device rotates around not only the central shaft but also along the grinding ring, with the grinding roller rotating itself under the action of the friction. The grinding roller hanger has a shovel blade installed at the bottom of roller, the shovel blade and the grinding roller throw up and feed the materials between the grinding rollers and ring during mutual rotation to form a bedding layer, which will produce an outward centrifugal force by the rotation of the grinding roller to crush the materials and thus achieve the goal of powder manufacturing

3. The classifier can classify the powder by adjusting the classifier impeller rotation speed, which can be adjusted according to the requirements for the particle size of finished powder.

Compared with the traditional mill, the MTW series European version of the trapezium mill has a larger feeder, higher output capacity, lighter total weight, finer finishing size and the best choice for processing coarse powder.

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