Products Sample Preparation Crushing Machine Liquid nitrogen cryogenic grinder
Liquid nitrogen cryogenic grinder

Crushing Machine

Liquid nitrogen cryogenic grinder

Item Number : KT-DC31

Price varies based on specs and customizations


Power
1.8kw
Voltage
220V
Low temperature crushing fineness
40-300 mesh
Output
0.3-3kg/h
Discharging method
continuous
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Introduction

The Laboratory plastic crusher is a specialized equipment designed by our company, catering to the needs of the plastics industry, quality inspection sector, and laboratory settings.

This machine is primarily utilized for sample crushing, especially for heat-sensitive materials and polymer substances like plastics, rubber, polylactic acid, and various other materials such as PE, PP, PET, PS, PBS, TPU, among others. Its minimum crushing capacity of around 10g makes it ideal for small-scale sample crushing and testing requirements. 

Equipped with a liquid nitrogen tank and a pump or self-pressurized tank, this crusher leverages cryogenic effects to render materials brittle, achieving ultra-fine crushing. 

The incorporation of a high-speed rotating impact blade and cyclone air flow separation facilitates this ultra-fine crushing process, making it effective for a wide range of dry materials in industries spanning plastics, rubber, pharmaceuticals, cosmetics, and more.

Laboratory plastic crusher

Applications

  • Quality control testing in laboratories
  • R&D sampling and trials
  • Crushing of plastic raw materials
  • Heat-sensitive materials testing
  • Sample crushing for polymer materials, plastics, rubber, etc.
  • Crushing of various ores and chemical raw materials
  • Coal, electric power, and chemical industry
  • Medium and fine crushing of raw materials
  • Breaking down large glasses
  • Crushing different kinds of ore
  • Ultra-fine grinding of dry materials in various industries

Features

  • High crushing ratio and uniform particle size for better accuracy in subsequent analyses
  • Large adjustment range and reliable operation for easy customization
  • High production efficiency and low energy consumption for cost-effectiveness
  • Deep crushing cavity and no dead zone for improved feeding capacity and output
  • Hyperboloid jaws for less wear and longer lifespan
  • Safe and reliable lubrication system for easy maintenance
  • Cryogenic effect of liquid nitrogen for ultra-fine crushing of tough materials
  • Good pulverizing effects on a variety of materials for versatile applications in various industries

Principle

The liquid nitrogen low-temperature pulverizer is combined with a liquid nitrogen tank and a liquid nitrogen pump (pedal type + electric pump). It uses the cryogenic effect of liquid nitrogen combined with the powerful crushing capacity of the ultra-fine pulverizer to achieve ultra-fine crushing of high-toughness raw materials.

The main machine of the crusher is composed of a feeding port, a collecting tank, a crushing chamber, a high-speed motor, etc. The material enters the crushing chamber from the feeding port. At the same time, the liquid nitrogen is pressurized by the liquid nitrogen pump and enters the interior of the crusher in the form of gas-liquid mixture. The raw material becomes embrittled when exposed to liquid nitrogen and is impacted and crushed by the high-speed rotating blade (25000r/min). The high speed of the blade The rotation also causes the flow of air flow, which brings the crushed materials to the crushing tank. The liquid nitrogen is vaporized and the air is discharged through the filter bag to complete the crushing.

The pulverizer host in this equipment is a small ultra-fine pulverizer that has good pulverizing effect on a variety of materials, and can be used alone as a laboratory ultra-fine pulverizer. The dual-use of one machine greatly improves the efficiency of the equipment. Value for money.

Advantages

  • Versatile Application: The laboratory plastic crusher serves a wide array of industries including plastics, rubber, pharmaceuticals, and more, making it indispensable in various research, testing, and quality control settings.
  • Enhanced Crushing Efficiency: Utilizing the cryogenic effect of liquid nitrogen combined with the powerful crushing ability of the ultra-fine grinder, this equipment achieves ultra-fine crushing of materials, ensuring finely-powdered samples for accurate analysis.
  • Improved Accuracy: With its ability to produce finely-powdered samples through multiple passes, the laboratory plastic crusher ensures high accuracy, facilitating subsequent XRF analysis and other procedures.
  • Customizable Crushing Capacity: Designed for small runs and testing purposes, this pulverizer offers a minimum crushing capacity of about 10g, meeting the needs for crushing and testing small quantities of samples with precision.
  • Cost-effective Design: The integration of high-speed impact and airflow vortex crushing, along with the cyclone aggregate method, ensures high efficiency and fineness in crushing, enhancing cost-effectiveness for laboratories and research facilities.
  • User-friendly Operation: Featuring a feeding port, a collecting tank, and a crushing chamber, along with a high-speed motor, the equipment offers ease of operation and maintenance, reducing workload in laboratory settings.

Technical specifications

Product Name  Liquid Nitrogen Low Temperature Pulverizer
Model  KT-DC31
Power  1.8kw
Voltage 220V/50Hz
Low temperature crushing fineness  40-300 mesh
Output  0.3-3kg/h
Small processing capacity  10g
Discharging method continuous
Rotation speed  25000r/min
Host weight  12kg
Host size  290*280*480mm
Cooling medium  Liquid nitrogen
Knife type  multi-sided tilting knife
Principle of crushing  High-speed impact
Liquid nitrogen output mode liquid nitrogen pump
Liquid discharge control Ball valve with scale
Discharging method Screenless air separation
Liquid nitrogen system  Foot-operated/self-pressurizing type (choose one)
Note Please pay attention to ventilation when using the equipment, and please do a good job in low temperature protection.

FAQ

What is a cold trap chiller in lab?

A cold trap chiller is a device used in laboratory equipment to protect vacuum pumps from contamination by condensing or sublimating vapors in a separate apparatus. It prevents oil vapors from backstreaming from the pump into the system and maintains a chilled stainless steel or glass surface for vapors to condense or sublimate on. The device utilizes an active material such as dry ice or liquid nitrogen or a Peltier element for cooling and can be disassembled for easy cleaning. Cold traps are essential for efficient pump operation and longer service lives.

How does a laboratory crusher work?

The key mechanism of laboratory particle size reduction is the jaw crusher. This machine uses a fixed plate with a mechanically operated gyrating plate. The plates move against each other in a rocking motion, crushing samples and moving towards the discharge area.

What is a laboratory crusher used for?

A laboratory crusher is used to reduce solid samples like rocks or crystals into powder or dust. It is used for a range of applications and processes.

What is the laboratory plastic crusher used for?

The laboratory plastic crusher can achieve a good crushing effect on plastic raw materials and tough materials. It uses the low temperature of liquid nitrogen to embrittle the raw materials to achieve a better crushing effect. This machine is currently widely used in universities, scientific research units, and testing units. It can also be widely used in the ultra-fine and ultra-fine grinding of dry materials in plastics, rubber, traditional Chinese medicine, western medicine, pesticides, biology, cosmetics, food, feed, chemicals, ceramics, and other industries.

What is a crushing machine?

A crushing machine is a mechanical device used to reduce the size of large rocks, ores, or other materials into smaller pieces. It is commonly used in industries such as mining, metallurgy, building materials, and recycling. Crushing machines typically utilize a combination of crushing mechanisms, such as compression, impact, and attrition, to break down the material. They often consist of a stationary plate or surface and a moving jaw or cone that applies force to the material, causing it to break.

What is the purpose of a cold trap chiller?

The purpose of a cold trap chiller is to protect vacuum pumps from contamination by condensing or sublimating vapors and preventing oil vapors from backstreaming into the system. It provides a chilled surface for vapors to condense or sublimate on and utilizes an active material such as dry ice or liquid nitrogen or a Peltier element for cooling. Cold traps are most commonly used to collect vapor from applications involving rotating discs or vacuum systems, but can also be used on other types of contamination including solids. Cryogenic cold traps are specifically manufactured for cryogenic applications such as the adsorption of noble gases.

What factors should be considered when selecting a crushing machine?

When selecting a crushing machine, several factors should be considered to ensure it meets the specific requirements of the application. The hardness and abrasiveness of the material being crushed should be evaluated, as different machines are better suited for different materials. The desired size and shape of the final product are also important considerations. The capacity and efficiency of the machine should align with the desired output and production rate. Other factors to consider include power requirements, maintenance and operating costs, as well as the availability of spare parts and technical support.

Why is a cold trap placed before the vacuum pump?

A cold trap is placed before the vacuum pump to prevent vapors, such as vapor from water or solvents, from contaminating the vacuum pump and the airstream. The cold trap condenses or sublimates gases, preventing them from reaching areas of the system that could lead to malfunction. Cold traps collect vapor from applications involving rotating discs or vacuum systems and oil vapors from a pump to prevent them from flowing into the chamber. By using a cold trap, vacuum pumps operate more efficiently and have longer service lives.
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4.8

out of

5

Ultra-fine crushing technology at its finest! Remarkable efficiency and accuracy for our lab's research needs.

Kamal Sharma

4.7

out of

5

Impressive versatility and crushing efficiency. A valuable addition to our laboratory equipment.

Elena Petrova

4.9

out of

5

Top-notch equipment for our R&D trials. The cryogenic effect ensures finely-powdered samples for precise analysis.

Hiroki Tanaka

4.8

out of

5

Excellent crushing capacity with minimal energy consumption. Perfect for our quality control testing.

Sophie Dubois

4.7

out of

5

Highly efficient and user-friendly design. Great for our small-scale sample crushing requirements.

Rajesh Patel

4.7

out of

5

Exceptional accuracy and customizable crushing capacity. A reliable solution for our laboratory needs.

Luis Fernandez

4.9

out of

5

Outstanding pulverizing effects on various materials. A must-have for diverse industrial applications.

Jasmine Li

4.8

out of

5

Incredible efficiency and versatility. Our lab's research has been significantly enhanced since using this equipment.

Matteo Rossi

4.7

out of

5

Impressive cost-effectiveness and ease of operation. Highly recommended for laboratory settings.

Ananya Gupta

4.9

out of

5

The cryogenic effect combined with high-speed impact delivers unparalleled crushing efficiency. Essential for our industry.

Santiago Morales

4.8

out of

5

Reliable and accurate results every time. A vital tool for our pharmaceutical research.

Fatima Khan

4.9

out of

5

Exceptional performance and durability. This grinder exceeds our expectations in laboratory testing.

Andreas Müller

4.7

out of

5

Outstanding versatility and crushing efficiency. Our laboratory productivity has significantly improved.

Yuki Nakamura

4.8

out of

5

Impressive customization options and accuracy. Ideal for our polymer materials testing.

Aisha Al-Farsi

4.9

out of

5

Top-tier crushing capacity and user-friendly operation. A game-changer for our laboratory experiments.

Javier Hernandez

4.8

out of

5

Efficient and reliable performance. This grinder has become indispensable for our research projects.

Mia Johansson

4.7

out of

5

Cost-effective and versatile. Perfect for our small-scale sample crushing requirements.

Tariq Rahman

4.9

out of

5

Unparalleled crushing efficiency and accuracy. Essential for our laboratory's quality control testing.

Elena Vasilyeva

4.8

out of

5

Outstanding performance and durability. A valuable asset for our laboratory research.

Diego Fernandez

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