How to effectively maintain a horizontal sand mill
2025-11-03
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Operators and maintenance personnel for horizontal sand mill equipment should be familiar with the equipment's structural performance and the names, specifications, and functions of each component. Operators should lubricate each part according to the requirements indicated on the lubrication diagram and keep the lubrication points clean. During operation, attention should be paid to ensuring that the temperature of each bearing does not exceed 32°C, checking whether the bolts are loose, whether there are any abnormal noises, whether the ore and water feeding is uniform, whether there is any leakage from the cylinder, whether the motor current and voltage of the horizontal sand mill are normal, and whether the protective cover of the transmission part is intact. The environment surrounding the horizontal sand mill equipment should be kept clean and sanitary, and all parts of the horizontal sand mill, except for the rotating parts, should be cleaned at any time. After being used for a period of time, the ball mill should be inspected and maintained.
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Use and maintenance of high-speed disperser
2025-11-03
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The high-speed disperser is a specialized high-speed equipment designed for low-speed stirring, high-speed decomposition, dissolution, and mixing of various liquids of different viscosities and solid powders. Through the rotation of a specially designed impeller at different speeds, it generates shear forces, enabling rapid dispersion of aggregates, thereby achieving dissolution, emulsification, uniform mixing, high quality, and high efficiency. It has a wide range of applications. Next, Anqiu Chunqiang Machinery will briefly introduce the use and maintenance of the equipment for you, hoping to provide help to friends in need
When using the host machine, it is recommended to choose a container with a diameter of 3D when the diameter of the tooth plate is D. The normal height of the tooth plate from the bottom of the barrel should be 0.5-0.7D. Place the tooth plate in the middle of the container, follow the operating instructions, start the main motor, adjust to an appropriate speed, and pay close attention to the current during operation. If overload operation is detected, stop the machine for inspection.
The recommended working medium for the hydraulic station is N32 hydraulic oil, with an injection volume of 30 kilograms. The oil tank should maintain a storage capacity between the upper and lower limits indicated by the liquid level indicator. Before injecting oil, the interior of the oil tank and pipelines should be cleaned to ensure no impurities remain. Before starting the oil pump, the overflow valve should be adjusted to a low pressure setting, and gradually increased to the working pressure after startup. If the oil pump makes any noise, first check whether the oil pipe is leaking and whether the oil filter is blocked. (This item is not applicable to pneumatic models.)
The bearing and sliding rod parts should be kept in good lubrication condition frequently. After work, it is necessary to promptly clean up the dirt on all parts to maintain the cleanliness and good condition of the equipment.
The surrounding environment of the electrical part must be kept clean to prevent oil and water stains from dripping into the controller, and avoid severe vibration. Components should be replaced promptly when damaged.
If the equipment is not to be used for an extended period, the power must be cut off, the surface cleaned, and oil added to all lubrication points. The main shaft and oil cylinder should be coated with oil for protection. It is required that the electrical parts be inspected every six months. After a year of continuous use, comprehensive maintenance is recommended for the equipment.
For pneumatic lifting and lowering, the air compressor must maintain a working pressure of over 4 kilograms. Regularly clean the sewage in the air storage cylinder to ensure the cleanliness of the compressed air and extend its service life.
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Main functional components and working principles of horizontal sand mill
2025-11-03
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The horizontal sand mill has numerous functional components and a complex working principle, requiring extremely high coordination among various components. Now, let's have Anqiu Chunqiang Machinery briefly introduce it to you
Main functional components and working principle of horizontal sand mill:
Mechanical seal: Single-end mechanical seals or double-end cartridge mechanical seals can be chosen.
Dispersing shaft assembly: The dispersing shaft is equipped with specially designed dispersing discs, which are fixed to the shaft using bushes, pressure covers, spring washers, and hexagon socket screws. When assembling the dispersing discs onto the dispersing shaft, attention should be paid to the rotation direction and mating assembly to ensure continuous dispersion and achieve the desired effect.
Grinding cylinder: The inner sleeve of the sand mill's cylinder is made of special steel. The inner sleeve of the cylinder adopts a spiral cooling device at both ends, which has a better cooling effect than a direct-current type. It also adopts a replaceable design, so after wear and tear, it can be used like new by simply replacing the inner sleeve.
Explosion-proof pressure controller and temperature gauge: The WMS series sand mill is equipped with an explosion-proof (ordinary) pressure controller at the inlet, with an adjustable pressure control range that can be adjusted to an appropriate level as needed (--0.1 MPa). A temperature gauge is installed at the outlet to observe the discharge temperature. The pressure transmission of the explosion-proof pressure controller is hydraulic: one side of the capsule and the pressure controller (with a display gauge) are filled with oil. When the diaphragm moves, it compresses the oil, causing the pressure gauge's spring tube to deform and indicate the pressure. According to the transmission principle, the pressure on both ends of the diaphragm is equal, so the pressure indicated on the pressure gauge is also the pressure inside the cylinder.
Feed Pump: The WMS series sand mill utilizes a pneumatic double diaphragm fluid transfer pump. Alternatively, it can be equipped with the RBZ series internal circular gear pump, which features a unique structure, low noise, minimal leakage, and excellent performance in conveying viscous materials.
Machine body: The machine body is a steel welded structure that fixes and supports components such as the main unit, feed pump, shell, and electrical box. It is stable, reliable, and compact in structure. Four adjustable shock mounts are installed at the bottom of the machine body to ensure the levelness of the entire machine.
Electrical system: The electrical system of the sand mill consists of the main circuit, control circuit, lighting indicator, auxiliary circuit, etc
Control procedure: If either the main motor or the pump is disconnected due to overload, it will automatically stop. If the pump fails to operate, the main motor cannot be started, but it can be jogged.
Operating principle The pneumatic double diaphragm pump inputs the solid/liquid mixture, which has undergone pre-dispersed wetting treatment, into the cylinder, where it is agitated by the high-speed rotating dispersing disc together with the grinding media inside the cylinder. This agitation creates intense shear between the solid particles and the grinding media in the material, achieving the purpose of grinding fine particles and dispersing aggregates. The ground material is discharged through a dynamic separator.
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