Carrageenan is a hydrophilic colloid extracted from red algae seaweeds, which are mainly derived from red algae, such as Kirinia and Hornwort. In the food industry, carrageenan is used as an important additive, and its application in products such as jellies, puddings, ice creams, meat products and so on will continue to grow steadily. As consumers' requirements for food quality and taste continue to improve, the role of carrageenan in improving food texture and extending shelf life will be increasingly emphasized. In the field of medicine, carrageenan's application potential as a drug carrier will be further explored. Its good biocompatibility and adjustable gel properties, so that it can realize the slow release of drugs, improve drug efficacy, reduce drug side effects, the future is expected to be used in more new types of pharmaceutical preparations. In addition, carrageenan-made dressings and other products will also be expanded with the development of medical technology and the increase in market demand.
With the continuous development of food, medicine, cosmetics and other industries, the market demand for carrageenan continues to increase. For example, in the food industry, carrageenan as a thickener, gelling agent, etc. is widely used in the production of jellies, fudge, ice cream and other products, and its market scale is expanding, which will directly drive the growth of demand for carrageenan closed boiling dryer. Various industries have higher and higher quality requirements for carrageenan, such as in the field of medicine, which requires high purity and high quality carrageenan for pharmaceutical preparations. Jiangsu Jinwang's closed boiling dryer can better control the drying process to ensure that the carrageenan particle size, purity and other indicators to meet the demand for high-quality carrageenan production, thus prompting more enterprises to choose this type of drying equipment. The new equipment adopts intelligent and automatic control system, realizes remote monitoring and intelligent control by introducing IOT, big data, artificial intelligence and other technologies, and can automatically adjust the drying process according to the humidity, temperature and other parameters of the materials, improve the production efficiency and product quality, and reduce the labor cost and operational errors.
Carrageenan closed boiling dryer working principle
(1) Hot air formation and introduction: air is heated through the heat exchanger to form hot air. The hot air is distributed through the valve plate and enters into the main machine part of the dryer evenly.
(2) Material boiling and fluidization: wet carrageenan material enters into the dryer from the feeder. Due to the wind pressure generated by the hot air, the material in the dryer to form a similar boiling fluidization state, that is, the material particles are suspended by the hot air, and in the dryer constantly rolling, stirring, and the hot air for full and extensive contact.
(3) Heat and mass transfer drying: in the process of material fluidization, the hot air will transfer heat to the carrageenan material, so that the moisture in the material evaporates quickly. After the moisture becomes water vapor, it is discharged out of the dryer together with the hot air, thus realizing the drying of the material. Due to the large contact area between the material and the hot air, the heat and mass transfer efficiency is high, so the drying of the material can be completed in a shorter time.
(4) System closed guarantee: the whole drying process is carried out in an airtight environment, which effectively prevents the mixing of external impurities and ensures the purity and quality of carrageenan products, and at the same time, it also avoids the flying of the material dust in the drying process, which reduces the loss of materials and the pollution of the environment.
(5) induced air and filtration: induced draft fan plays a role in guiding the airflow, so that the hot air can form a stable flow in the dryer to ensure that the drying process continues. At the same time, the dryer is usually equipped with air filtration system, the incoming air filtration, to remove the impurities and dust, and further improve product quality.
(6) Temperature and air speed control: through the control system to adjust the heat exchanger, induced draft fan and other equipment, fine que control the drying process of temperature, air speed and other parameters to meet the different stages of carrageenan drying needs, to ensure the stability and consistency of product quality.
Carrageenan closed boiling dryer performance characteristics
(1)High drying efficiency
Adequate gas-solid contact: the hot air makes the carrageenan material in the dryer in a boiling fluidized state, the material particles and hot air are in full contact with a large contact area, heat and mass transfer efficiency is high, and it can achieve rapid drying in a relatively short period of time, which greatly improves the production efficiency.
Drying intensity: the structural design and working principle of the equipment makes the material in the unit volume can get more heat transfer, thus enhancing the drying intensity, can effectively reduce the drying time and energy consumption.
(2)Good drying quality
Precise temperature control: Equipped with advanced temperature control system, it can precisely set and control the air inlet temperature, air outlet temperature and material temperature during the drying process, so as to prevent the quality of carrageenan from being affected by too high or too low temperature, such as gel performance and viscosity. Generally, the air inlet temperature can be controlled between 60℃~100℃, and the temperature fluctuation range can be maintained at about ±1°℃ to ensure the stability and consistency of product quality.
Uniform moisture content: As the material is in a good fluidized state in the dryer, and heated evenly, the moisture content of dried carrageenan is uniformly distributed, and there will be no local water content is too high or too low, which ensures the consistency of product quality, and meets the stringent requirements of water content of carrageenan in different application fields.
(3)Large operation flexibility
Adjustable air volume and pressure: the induced draft fan is controlled by frequency converter, which can flexibly adjust the air volume and pressure required for drying according to different material characteristics, drying stages and production requirements, so that the equipment can adapt to the drying needs under a variety of working conditions, and improve the versatility and adaptability of the equipment.
Material handling capacity can be adjusted: by adjusting the feeding speed and drying time and other parameters, the material handling capacity of the equipment can be flexibly controlled within a certain range to meet the needs of different production scales, which is suitable for small-scale experimental production and can also be used for large-scale industrialized production.
(4)High safety
Airtight design: the whole drying process is carried out in an airtight environment, which effectively prevents the mixing of external impurities, dust and microorganisms, avoids the contamination of carrageenan products and ensures the purity and hygienic quality of the products, which is especially suitable for food, medicine and other industries with high hygienic requirements. At the same time, the airtight structure also avoids the flying of material dust in the drying process, reduces the loss of material and pollution to the environment, and improves the working environment.
Inert gas protection: some carrageenan closed boiling dryer adopts nitrogen and other inert gases as drying medium, which can effectively prevent carrageenan from oxidizing during the drying process, protect its chemical structure and performance stability, and improve the quality and stability of the product, especially suitable for oxygen sensitive carrageenan products or carrageenan formulations containing easily oxidized components.
Complete safety protection devices: the equipment is usually equipped with pressure relief holes, overload protection devices, static elimination devices and other safety facilities to prevent safety accidents triggered by high pressure, motor overload, static electricity accumulation, etc., to ensure the safety of equipment and operators.
(5) High degree of automation
System PLC programming control: Programmable Logic Controller (PLC) is used for automation control, the man-machine interface is operated by Chinese screen display, recipe parameters can be input, and the program runs automatically, which is easy and stable to operate, and it has strict interlocking function, which can effectively prevent misoperation. The operator only needs to set the relevant parameters on the control panel, such as temperature, wind speed, drying time, etc., and the equipment can automatically complete the drying process according to the set procedure, which reduces the labor intensity and the influence of human factors on product quality.
Data monitoring and recording: Equipped with a variety of sensors, such as temperature sensors, pressure sensors, oxygen sensors, material level sensors, etc., it can monitor the parameters of the drying process in real time and transmit the data to the control system for processing and display. At the same time, the equipment also has a data output port, which can print out the data at work at any time, which is convenient for the monitoring of the production process and quality traceability.
(6)Easy cleaning and maintenance of equipment
No dead corner design: the internal structure of the dryer is reasonably designed, with no hygienic dead corner, materials are not easy to be left behind, which is convenient for thorough cleaning and disinfection, and can effectively prevent bacterial growth and cross-contamination, which is in line with the requirements of the Good Manufacturing Practice (GMP) and other relevant standards.
Easy to dismantle and install parts: the main parts of the equipment, such as filters, bag dusters, etc., are designed for easy dismantling and installation, which is convenient for regular inspection, cleaning and replacement, reduces the difficulty and maintenance cost of the equipment, and ensures the normal operation and service life of the equipment.
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