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Lichen Holdings (Hunan) Group Co., Ltd
Microwave digestion instrument
NegotiableUpdate on 05/06
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Overview
Microwave digestion analyzer is a professional sample pretreatment equipment specially designed for chemical analysis, environmental monitoring, food testing, biomedicine and other fields. It is also widely used in many industries such as medical and health, food/agricultural products, chemical industry, biotechnology, pharmaceuticals/biopharmaceuticals, etc. As a representative of domestic industrial grade digestion equipment, it combines efficient digestion efficiency, accurate experimental data, and stable equipment performance. It can quickly and completely digest various solid and liquid samples, effectively solving the problems of time-consuming, incomplete digestion, and poor data repeatability of traditional digestion methods. It provides high-quality sample solutions for subsequent analysis and detection of spectra, chromatography, etc., ensuring the accuracy and repeatability of experimental results.
Product Details
1、 Core positioning and applicable fields of the product
Microwave digestion analyzer is a professional sample pretreatment equipment specially designed for chemical analysis, environmental monitoring, food testing, biomedicine and other fields. It is also widely used in many industries such as medical and health, food/agricultural products, chemical industry, biotechnology, pharmaceuticals/biopharmaceuticals, etc. As a representative of domestic industrial grade digestion equipment, it combines efficient digestion efficiency, accurate experimental data, and stable equipment performance. It can quickly and completely digest various solid and liquid samples, effectively solving the problems of time-consuming, incomplete digestion, and poor data repeatability of traditional digestion methods. It provides high-quality sample solutions for subsequent analysis and detection of spectra, chromatography, etc., ensuring the accuracy and repeatability of experimental results.
Whether it is the detection of heavy metal elements in food and agricultural products, the analysis of pollutants in environmental water samples and soil, the analysis of sample composition in the field of biomedicine, or the detection of raw materials and products in the chemical industry, the Lichen microwave digestion instrument can meet the pre-treatment needs of different industries and types of samples with customized digestion solutions and adaptability. It is the core equipment for modern laboratories to achieve high-throughput and high-precision sample digestion.
2、 Core features of the product
Adhering to industrial standards and intelligent concepts in design and research and development, the core technology, component quality, safety protection, cavity design, and operational experience have all been upgraded and optimized, with seven core characteristics contributing to its digestion performance.
1. Industrial grade design and intelligent frequency conversion control, achieving full uniformity in digestion
The host adopts industrial grade magnetic tube emission microwave technology and is equipped with an advanced automatic frequency conversion power adjustment system to achieve continuous non pulse microwave output, fundamentally avoiding the problem of uneven heating caused by pulse microwave, ensuring uniform distribution of microwave magnetic field in the furnace cavity, and achieving synchronous and uniform digestion of different samples in the same batch, greatly improving the parallelism and repeatability of experimental data. Different from ordinary civilian microwave equipment, industrial grade magnetic tube emission technology enables the equipment to adapt to the high load and long-term working requirements of the laboratory, providing stable microwave energy support for the digestion of various complex samples.
2. Original core components ensure long-term stable operation of the equipment
The core microwave emitting component of the equipment adopts the original Japanese Panasonic magnetron, which has the characteristics of high power, high stability, and long life. It can maintain stable performance output in long-term continuous operation and high load digestion tasks, effectively reducing the probability of equipment failure, reducing maintenance costs in the later stage, ensuring the efficient and continuous development of laboratory sample pretreatment work, and adapting to high-frequency use scenarios in scientific research and testing laboratories.
3. PID intelligent control, multiple protections+real-time monitoring, fully controllable throughout the process
Based on the classic PID control theory, an intelligent measurement and control system is developed. The equipment is equipped with a high-resolution LCD screen, which can dynamically display the temperature, pressure values, and change curves during the digestion process in real time, allowing experimental personnel to intuitively grasp the parameter changes in each digestion stage. At the same time, the system is equipped with multiple safety protection functions and has automatic detection and fault alarm mechanisms. When the temperature and pressure inside the furnace exceed the set range, or when the equipment has circuit, mechanical or other faults, the system will immediately issue an alarm signal and start the corresponding protection program, technically eliminating experimental risks and ensuring the safety and controllability of the experimental process.
4. Large capacity corrosion-resistant furnace chamber, suitable for high-throughput digestion needs
The equipment is equipped with a large capacity industrial grade microwave oven cavity, which can be divided into three volumes: 45L, 50L, and 80L, to meet the digestion needs of different batches of samples. Whether it is small batch precision experiments or large batch sample processing, it can be flexibly adapted. The inner lining of the furnace chamber is treated with 8 layers of PTFE spray coating. The PTFE material has corrosion resistance and high temperature resistance, which can effectively resist the corrosion of strong acid reagents such as nitric acid and hydrochloric acid, and prevent oxidation and damage to the inner wall of the furnace chamber during high temperature digestion, thereby extending the service life of the furnace chamber; The main body of the furnace chamber is made of 316L stainless steel surface anti-corrosion treatment, which balances structural strength and anti-corrosion performance, ensuring that the furnace chamber can remain stable in long-term strong acid and high temperature environments.
5. Six story steel structure explosion-proof furnace door
In response to the high temperature and high pressure working environment during microwave digestion, the equipment adopts a six layer steel structure self-locking furnace door design, combined with dual locking self checking function, to build a sturdy explosion-proof protection system. The six story steel structure of the furnace door can effectively resist the impact force of unexpected explosions that may occur during the digestion process. The self-locking design ensures that the furnace door cannot be opened arbitrarily during the operation of the equipment. The double locking self check will detect the locking status of the furnace door before the equipment is started. If the equipment is not fully locked, it cannot be started. From the structural design, safety accidents caused by furnace door problems are eliminated, greatly improving the operational safety of the equipment.
6. 360 degree unidirectional continuous rotation technology extends equipment lifespan and provides more uniform heating
Innovatively using 360 degree Unid One way technology to create a microwave stirring and sample rotation system, different from traditional reciprocating rotation design, Unid One way continuous rotation can effectively reduce the impact and wear of the turntable motor, significantly extend the service life of the motor, and reduce the probability of mechanical failure of the equipment. At the same time, the 360 degree rotation allows the digestion tank to uniformly receive microwave energy inside the furnace cavity, ensuring a consistent heating environment for each sample and further improving the uniformity of sample digestion and the repeatability of experimental data.
7. Efficient cooling+intelligent software, easy to operate and data traceable
The equipment is equipped with a high-power exhaust cooling system, which can quickly cool down the furnace cavity and digestion tank after digestion is completed, greatly reducing the cooling time of the sample, improving overall experimental efficiency, and avoiding experimental process delays caused by high temperature waiting. The operation end is equipped with a 10 inch 4K high-definition display screen, which provides ultra high definition display effect for clearer parameter reading. The operation interface is simple and easy to understand, reducing the operating threshold for experimental personnel; The supporting intelligent software integrates multiple functions such as temperature measurement and control, pressure measurement and control, fault prompt, data export, etc. It can not only achieve precise setting and real-time control of digestion parameters, but also export all data during the digestion process with one click, realizing the recording and traceability of experimental data and meeting the standardized requirements of laboratory data management.
3、 Detailed technical parameters
Lichen PMD series microwave digestion instrument includes LCA-PMD-2、LCA-PMD-4、LCA-PMD-6、LCA-PMD-8、LCA-PMD-10、LCA-PMD-12、LCA-PMD-16 Seven major models, each with differentiated designs in terms of number of digits and furnace cavity volume, while maintaining consistent core technical parameters to meet the sample processing requirements of different laboratories. The following are detailed technical parameters for the entire series:
| instrument parameters | Parameter Details |
| Instrument model | LCA-PMD-2/4/6/8/10/12/16 |
| digit | 2/4/6/8/10/12/16 |
| power supply voltage | AV220V/50Hz |
| Total machine power | ＜2500W |
| temperature range | 0-250℃ |
| Temperature control method | PID frequency conversion technology |
| temperature control accuracy | 0.1℃ |
| Furnace cavity volume | 45L/50L/80L |
| Furnace cavity material | 316L stainless steel surface anti-corrosion treatment |
| Pressure measurement method | Sensor detection |
| Control pressure range | 0-6Mpa |
| Voltage control accuracy | 0.01Mpa |
| Microwave frequency | 2450MHz |
| Abnormal temperature alarm | have |
| Abnormal pressure alarm | have |
| Material of turntable frame | PP plastic |
| Dissolve the material of the inner tank | TFM (Tetrafluoroether) |
| Dissolve the volume of the inner tank | 100ml |
| Dissolve the material of the outer tank | PEEK（聚醚醚酮） |
| Net weight | 70kg |
| Overall dimensions | 540580760mm |
From the perspective of core measurement and control parameters, the temperature control accuracy of 0.1 ℃ and the pressure control accuracy of 0.01Mpa enable the equipment to achieve precise control of the digestion process, meeting the needs of various high-precision experiments; The temperature range of 0-250 ℃ and the pressure range of 0-6Mpa can cover the digestion conditions of most conventional and complex samples. In terms of the configuration of the digestion tank, the inner tank is made of TFM (tetrafluoroether) material, which has better corrosion resistance, high temperature resistance, and mechanical strength than ordinary polytetrafluoroethylene. Direct contact with the sample and strong acid reagents will not cause pollution, ensuring the accuracy of experimental data; The outer tank is made of PEEK (polyetheretherketone) material, which is a high-performance engineering plastic with compressive and impact resistance. PEEK provides strong protection for the inner tank, effectively preventing damage to the tank body caused by excessive pressure during the digestion process. The high-quality material combination of the inner and outer tanks creates a safe and pollution-free digestion environment.
At the same time, the entire series of equipment is equipped with dual temperature and pressure abnormal alarm functions. The sensor probing pressure measurement method makes pressure detection more direct and accurate, and can capture pressure changes in the digestion tank in real time, ensuring the safety and controllability of the digestion process from the details. The turntable frame made of PP plastic material balances portability and corrosion resistance, and can adapt to the working environment inside the furnace while effectively carrying the weight of the digestion tank.
4、 Product advantages and industry value
1. Domestic high cost-effectiveness, reducing laboratory procurement costs
The Lichen PMD series microwave digestion instrument is a pure domestic industrial grade equipment. Compared with similar imported products, it has a more advantageous price range while maintaining the same core performance and technical parameters. At the same time, the manufacturer's direct supply mode reduces intermediate links, further reducing laboratory procurement costs. In addition, the core components and vulnerable parts of the equipment are domestically matched, making maintenance and replacement of accessories more convenient and cost-effective in the later stage, significantly reducing the cost of equipment use and maintenance in laboratories, and enabling various types of laboratories in China to use high-performance industrial grade microwave digestion equipment.
2. Intelligent throughout the entire process, reducing operational barriers and improving experimental efficiency
From parameter setting, process monitoring to data export, the equipment has achieved intelligent operation throughout the entire process. The 10 inch 4K high-definition display screen and simple operation interface allow experimenters to quickly get started without professional microwave technology knowledge; Continuous non pulse microwave output, 360 degree unidirectional continuous rotation and other technologies enable sample digestion without manual intervention, achieving automated synchronous digestion; The high-power exhaust cooling system significantly shortens the cooling time after digestion. Compared with traditional electric heating plate digestion methods, the efficiency is improved several times or even tens of times, which can effectively improve the sample pretreatment efficiency in the laboratory and meet the needs of high-throughput detection.
3. Multiple security protection designs to eliminate experimental safety risks
The core safety pain point of microwave digestion lies in the risks of explosion and leakage in high temperature and high pressure environments. The Lichen PMD series microwave digestion instrument has built a safety protection system from multiple aspects such as structural design, system control, and component materials: six layer steel structure explosion-proof furnace door, double locking self inspection, temperature and pressure double abnormal alarm, PID intelligent temperature and pressure control, coupled with the pressure resistant and anti-corrosion combination of TFM inner tank and PEEK outer tank, eliminating safety risks from the source to the process, allowing experimental personnel to operate with confidence, and providing solid guarantee for the safe operation of the laboratory.
4. Accurate and traceable data to meet standardized laboratory management
The temperature control accuracy of 0.1 ℃ and the pressure control accuracy of 0.01Mpa make the parameter control of the digestion process more precise, ensuring sample digestion and good parallelism and repeatability of experimental data; The accompanying intelligent software can record all parameter changes during the digestion process in real time and support one click data export, achieving the recording, traceability, and analysis of experimental data, meeting the standardized requirements of modern laboratories in data management, experimental traceability, report issuance, and providing reliable data support for scientific research experiments and testing work.
5. Strong adaptability to multiple fields, one-stop solution for sample digestion problems
The industrial grade design and diverse model selection of the equipment enable it to meet the sample digestion needs of many industries such as healthcare, food/agricultural products, chemical, biotechnology, pharmaceuticals/biopharmaceuticals, etc. Whether it is heavy metal detection in food, pollutant analysis in environmental water samples, sample composition analysis in biomedicine, or purity detection of chemical raw materials, the Lichen PMD series microwave digestion instrument can set personalized digestion parameters based on sample characteristics, achieve rapid digestion, and solve the pre-treatment problems of different fields and types of samples in one stop.
5、 Equipment usage and maintenance instructions
Daily usage precautions
1. The equipment should be placed on a ventilated, dry, and flat experimental platform, away from water sources, fire sources, and strong magnetic fields. The power connection should meet the requirements of AV220V/50Hz and be equipped with grounding protection to prevent leakage accidents.
2. Before digestion, it is necessary to check the sealing and integrity of the digestion tank. If there are scratches or damages in the TFM inner tank, it should be replaced in a timely manner to avoid liquid leakage during the digestion process; The PEEK outer can needs to be kept clean and free from cracks, deformations, and other issues.
3. The amount of sample and digestion reagent added must be strictly controlled, not exceeding one-third of the volume of the digestion inner tank, to prevent safety accidents caused by excessive pressure during the digestion process.
During the operation of the equipment, experimenters are not allowed to open the furnace door at will. If an alarm signal appears, the equipment must be stopped immediately, the fault must be investigated and resolved before continuing to use.
After the digestion is completed, the furnace chamber and digestion tank need to be cooled to room temperature through a high-power exhaust cooling system before being removed to avoid high-temperature burns; Wear acid resistant gloves and goggles when removing the digestion tank to prevent strong acid reagents from coming into contact with the skin and eyes.
Daily maintenance and upkeep
1. After each use, it is necessary to clean the inside of the furnace chamber and the turntable frame in a timely manner. Use a clean damp cloth to wipe the inner wall of the furnace chamber. If there is residual strong acid reagent, use a small amount of deionized water to clean it and air dry it to keep the inside of the furnace chamber clean and prevent acid mist corrosion.
2. Regularly check the operating status of core components such as magnetron, exhaust system, sensors, etc. If there are abnormal noises, poor heat dissipation, inaccurate parameter detection, etc., it is necessary to contact the manufacturer for repair in a timely manner.
3. The digestion tank needs to be regularly maintained, and the TFM inner tank should be cleaned and dried in a timely manner after use to avoid prolonged residue of strong acid reagents; PEEK outer cans should avoid severe collisions to prevent deformation and damage.
When the equipment is not used for a long time, the power should be cut off, the equipment should be covered with a dust cover, and placed in a dry and ventilated environment to prevent moisture and dust accumulation.
