Ultra-low temperature mechanical pulverizer

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CM-420 ultra-cold pulverizer (deep cold pulverizer)

 

1. Working principle and characteristics

The complete set of ultra-cold pulverizers of this product consists of silo, mechanical pulverizer, induced draft fan, cyclone, vibrating screen, liquid nitrogen tank and so on.

( 1 ) Working principle

The ultra-cold pulverizer system uses liquid nitrogen as a cold source, and the pulverized material is cooled and pulverized at a low temperature to be pulverized, and then enters the mechanical pulverizer cavity to rotate at high speed through the impeller, materials and blades, toothed discs, materials and materials. Under the combined action of repeated impact, collision, shearing and friction, the pulverization effect is achieved: the pulverized material is classified by an airflow sieve classifier and collected: the material that has not reached the fineness requirement is returned to the silo to continue crushing. Most of the cold air is returned to the silo for recycling.

( 2 ) Features

The super-cold pulverizer system forms a closed-circuit circulation system during the material pulverization process, so that the energy is fully utilized and the energy consumption is saved: the temperature of the chilling source can be reduced to minus 196 degrees, according to the embrittlement point of the material. Temperature, the temperature can be adjusted during the pulverization process, choose zui smashing temperature, reduce energy consumption: pulverization fineness can reach 10-700 mesh, even to micron μ and other fineness: using liquid nitrogen as grinding media to achieve ultra-low temperature pulverization, The comprehensive effect of explosion-proof and anti-oxidation of materials.

2. Scope of use

The ultra-cold pulverizer system is used in various materials that cannot be pulverized at normal temperature, and is widely used in various chemical, petrochemical, machinery, shipbuilding, automotive, electronics, clothing, paint, printing, engineering plastics, rubber, thermoplastic materials. , hot melt adhesive, nylon, polyester, polypropylene, polyethylene, food industry (chili powder), Chinese and Western medicine, nylon, polyester, hot melt adhesive, various engineering plastics, polyethylene, polyvinyl alcohol, polystyrene (PS) , Thermoplastic Elastomers, TPU , General Purpose Plastics, High Density Polyethylene ( HDPE ), Polypropylene, Thermal Adhesive, PA1010 , Low Density Polyethylene ( LDPE ), Garment Hot Melt, Decorative Powder Coating, Nylon 66 , medicine, nylon 11 , ethylene acetate copolymer ( EVA ), nylon 6 , nylon 12 , plastic, rubber, PPT , PET , TPU , ABS , functional anti-corrosion powder coating, linear low-density polyethylene ( LLDPE ). Engineering plastics: general engineering plastics ( PA , PA6 , PA66 , PA11 , PA12 , PC , POM , PBT , PET , PPO , PMMA ); special engineering plastics ( PPS , PI , PSF , PEEK , PCTFE , LCP , PTFE , PES) , PAI , PAR ), etc.; modified plastics: general plastic engineering modified products (modified ABS , PP , PVC , PC ); modified engineering plastics ( PPO , PA , POM , PC , PBT ( PET ), PSU ) Modified special engineering plastics ( PPS , PEEK , PEI , PSF , LCP ); plastic rubber raw materials, various masterbatch and masterbatch: such as white mother, other masterbatch, etc.; functional masterbatch, coloring flakes particles, pigment, dyestuff, thermoplastic elastomers, engineering plastics and other products such as ultrafine grinding.

3. Main technical parameters

( 1 ), the diameter of the crusher working chamber is φ423mm

( 2 ), crusher power: 37KW (total power 49KW)

( 3 ) Working medium: liquid nitrogen

( 4 ), working temperature: 0 degrees to minus 196 degrees (controllable)

( 5 ), crushing fineness: 10-700 mesh (can reach micro μ μ)

4. Ultra-cold pulverizer complete equipment process configuration

Liquid nitrogen tank, silo, mechanical pulverizer, induced draft fan, first-stage cyclone discharger, secondary cyclone, vibrating screen.

 

Shanghai Pudong Gaoqiao Testing Machine Factory Co., Ltd.

Yang Jiansen

:

: gqfsj@

:

Address: No. 509 , Gaodong New Road, Gaodong Town, Pudong New Area, Shanghai

: 200137

 

 

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