Installation and Use of Autoclaves

The autoclave should be placed in a high-pressure operating room that meets explosion-proof requirements. If multiple autoclaves are installed, they should be arranged separately and physically separated by an appropriate barrier. Each operating room should have direct access to the outdoors or to an exit corridor, and the autoclave must be reliably grounded.

High-pressure reactor

A Brief Discussion on High-Pressure Reactors

Cleaning Requirements for High-Pressure Reactors

Cleaning requirements for high-pressure reactors: 1. After removing most of the residues, introduce the reaction solvent into the reactor through the vent valve, fill the reactor halfway with water, and stir for about ten minutes. Only then can you open the reactor lid and proceed to clean the inner walls of the reactor.

Microreactor

Microreactors offer advantages such as corrosion resistance, high-temperature tolerance, and strong production capacity, making them widely used in various industrial sectors including resin, pigment, beverage, scientific research, pharmaceuticals, and chemical engineering. A microreactor is a type of experimental or production equipment that integrates a reaction condition control system, a reaction vessel, a product extraction system, and a feedstock introduction mechanism.

A Brief Discussion on Miniature Reactors

The microreactor is used to dissolve samples—including inorganic substances, organic compounds, and ores—using strong bases or strong acids under high-pressure and high-temperature conditions (<200℃).

A Brief Discussion on Miniature Reactors

Microreactors are widely used in a variety of applications, including digital-display micro-reactions, digital-display micro-synthesis under high pressure, exothermic reactions, compositional analysis, gas-liquid two-phase systems, liquid-liquid two-phase systems, corrosivity testing, stability studies, fine chemical processing, supercritical reactions, digital-display micro-agent evaluation and development, and other related industries. Microreactors are primarily found in fields such as pharmaceuticals, polymer synthesis, petrochemicals, chemistry, and metallurgy.

Magnetic Stirred Reactor

1. The magnetic reactor ensures that all stirring components within the medium operate in a sealed environment. It employs a static sealing structure, transmitting torque without any contact. By replacing dynamic seals with static seals, the reactor uses a magnetic coupling to connect the motor drive to the agitator, thereby resolving leakage issues that previously could not be addressed by either packing seals or mechanical seals.

Autoclave

A高压 reactor is a reaction vessel designed for operation under high pressure. In addition to controlling the pressure during operation, such reactors typically operate under high-temperature conditions. Cooling and heating processes also require special attention. Therefore: 1. To prevent excessive temperature changes from causing cracks in the reactor body, after the reaction is complete, first allow the reactor to cool down gradually until the pressure drops to atmospheric level. Then, release the high-pressure gas from the reactor before symmetrically and evenly loosening and removing the main bolts. During operation, it is strictly forbidden to cool the reactor too rapidly or heat it up too quickly. 2. If the reactor is equipped with a magnetic stirrer, when the temperature during the reaction exceeds 100 degrees Celsius, cooling water must be passed through the stirrer to avoid overheating and damage to the stirrer. The high-pressure reactor is a relatively common type of pressure vessel. Stainless steel is widely used as the primary material for these reactors due to current limitations imposed by material properties. The key features of high-pressure reactors are: 1. Multiple heating options are available, ensuring rapid heat transfer. 2. They are corrosion-resistant, capable of withstanding high temperatures and pressures, environmentally friendly, and hygienic. 3. They are wear-resistant, aesthetically pleasing, and feature a specially treated outer surface.

Hydrothermal reactor

The hydrothermal reactor, also known as a polymerization reactor, can be manually tightened with a screw mechanism. Its maximum operating temperature reaches 230°C, while its highest applicable temperature is 180°C. It is also referred to as a high-pressure digestion vessel, digestion tank, pressure autoclave, digestion pot, hydrothermal synthesis reactor, laboratory reactor, hydrothermal synthesis vessel, high-pressure vessel, or simply reactor. The hydrothermal reactor is a sealed container capable of decomposing insoluble substances. It is widely used in sample preparation for analytical techniques such as atomic absorption spectroscopy and plasma emission spectrometry. By creating a highly acidic or alkaline environment within the vessel under high temperature and pressure conditions, it enables rapid digestion of even the most refractory materials. Additionally, it can be employed for small-scale synthesis reactions. Consequently, it finds extensive application in production and research across various fields including biomedicine, petrochemicals, materials science, environmental science, food science, geochemistry, and commodity inspection. The hydrothermal reactor is an ideal tool for digesting samples when determining trace and ultra-trace elements. It can be utilized in the determination of heavy metals such as lead, zinc, calcium, copper, cadmium, iron, manganese, and mercury, as well as in hydrothermal synthesis, organic synthesis, sample digestion and extraction, and crystal growth. Moreover, it serves as a highly corrosion-resistant, high-temperature, and high-purity reaction vessel suitable for pre-treatment and digestion of agricultural residues, sludge, aquatic products, food, heavy metals, organic compounds, rare earth elements, and other materials. Key features of the hydrothermal reactor include: 1) No harmful substances are released; it exhibits excellent corrosion resistance, ensuring safe use and minimizing pollution. 2) After pressurization and heating, it can rapidly dissolve, without loss, samples containing volatile elements and those that are notoriously difficult to dissolve under normal conditions. 3) The hydrothermal reactor boasts a rational design, an attractive appearance, simple operation, reliable data, and shortened analysis times. 4) The hydrothermal reactor can replace platinum crucibles to address the challenge of sample digestion in the analysis of trace elements in high-purity alumina. It is equipped with a polytetrafluoroethylene (PTFE) liner inside, which provides resistance to acids, bases, and other corrosive agents, along with double-layer protection.

Hydrogenation Reactor

The hydrogenation reactor boasts advantages such as high-temperature resistance, corrosion resistance, hygienic properties, rapid heat transfer, and zero environmental pollution. It is widely used in industries including pharmaceuticals, chemical engineering, and food processing. The reactor is constructed from 304 stainless steel. Its design features an optimal diameter-to-height ratio, and the stirring device can be customized according to specific requirements. The stirring shaft seal employs a pressure-resistant, hygienic mechanical seal to maintain the working pressure inside the vessel and prevent leakage of materials, thereby avoiding unnecessary material loss and contamination. The hydrogenation reactor consists of several key components: a jacket, a reactor body, a stirrer, a drive mechanism, a shaft seal assembly, a reactor lid, and supporting structures. Additionally, it offers convenient installation and maintenance, has a long service life, high structural strength, and occupies a small footprint, making it currently one of the most ideal pieces of equipment for treating high-concentration acidic and alkaline waste gases. The hydrogenation reactor is equipped with an explosion-proof control system, an explosion-proof motor, and explosion-proof electric heating elements to meet laboratory explosion-proof standards, and it also includes an antistatic device. The grounding resistance of the hydrogenation reactor shall not exceed 0.1 ohms. The 5-liter hydrogenation reactor operates using a motor-driven heating method, with internal coil cooling. The 50-liter hydrogenation reactor comes with an installation platform and a lifting device for the reactor lid. The 50-liter hydrogenation reactor uses thermal oil as its heating medium and employs internal coil cooling. Hydrogenation reactors are primarily used in the production of xylitol, maltitol, sorbitol, furfural alcohol, and pharmaceutical intermediates. Since hydrogen gas is highly explosive and flammable—when its concentration in air reaches a certain level and it encounters an open flame, it can explode—temperature sensors, pressure sensors, explosion-proof heaters, and other similar devices must be selected for the reactor. All electrical equipment must be explosion-proof. Therefore, when using this reactor for hydrogenation reactions, all equipment that could potentially generate sparks should be replaced with explosion-proof alternatives, and the drive motor must be an explosion-proof motor.

Hydrogenation Reactor