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Industrial Continuously Low Temperature Vacuum Belt Dryer

Solid vacuum belt dryer for lithium battery materials

Solid vacuum belt dryer for lithium battery materials

The solid vacuum belt dryer is a continuous low-temperature vacuum drying equipment designed for solid materials (particulates, powders, crystals, lumps, etc.). It integrates the core technologies of belt-type continuous conveying and vacuum low-temperature drying, retaining the protective properties of vacuum drying for heat-sensitive, oxidizable and high-value-added solid materials while enabling continuous and automated industrial production. As one of the core drying equipments for solid materials in industries such as pharmaceutical, food, plant extraction, fine chemical engineering and new energy materials, it can effectively solve the problems of agglomeration, denaturation, uneven drying and low batch efficiency in the processing of solid materials caused by traditional drying methods (such as oven drying and spray drying).

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Product Description

Product Overview

Belt Vacuum Dryer is a method of continuously distributing liquid raw materials on a conveyor belt under vacuum conditions. The materials are dried with the conveyor belt on the heating plate, and then cooled, embrittled and pulverized. A low temperature drying method. During the whole drying process, the extract is in a vacuum, closed environment, and the drying process is mild (operating temperature 30-135° C), which can maintain its physical properties to the maximum extent and obtain a high quality final product.

Since the material is gradually dried under a vacuum for a period of time, the particles obtained by drying have a certain degree of crystallization effect, and at the same time, senbofluid there are micropores inside from the microscopic structure. After directly pulverizing to the required particle size, the flowability of the particles is very good, and it can be directly tableted or filled with mash, and the particles have good fast solubility.

In addition, a series of parameters can be adjusted online to meet the process requirements of different products, such as the belt speed of the vacuum (solid) belt drying track, the thickness of the layer, the drying temperature, the vacuum degree and etc. The dry product can retain its color, aroma and taste to the utmost extent, and obtain a high quality final product.

Advantages for the use of Vacuum Dryers

low product temperatures

minimal loss of flavors

very small product loss

no product oxidation

no mechanical stress to the product

controllable Maillard reaction

possibility to recover solvents

automatic cleaning

controllable solubility (instant characteristics) of the dried products

Equipment advantages

Continuous feeding and continuous discharging under vacuum condition.
Achieve drying, pulverizing and granulating processes under vacuum.
Process automation, continuous and pipeline in the drying process.
Organic solvents can be recycled, no emissions, no pollution.
System operating costs are 1/3 of vacuum oven and spray drying.
Shredded mesh 20-120 mesh(adjustable).
According to the characteristics of the material, the corresponding equipment can be carried out online for the drying process parameters.
Low temperature and fast drying process will greatly improve product quality.
Continuous discharge in 30-60 minutes, product recovery rate of more than 99%.
The material has excellent instant solubility after drying, which is unmatched by other traditional drying.
Complete the granulation process under vacuum to avoid secondary moisture absorption, waste, and pollution.
It can solve the continuous drying of heat sensitive, high sugar and high viscosity materials.
The entire system and process meet GMP requirements.
It will not pollute the environment due to dust and odor.
The entire system is automatically controlled by PLC.
Implement online CIP automatic cleaning.
Low labor costs, up to 2 operators.

Technical parameter（extracts）

Model	Layer	Evaporation area m²	Water evaporation kg/h	Heating temperature range °C	Vacuum range pa	Diameter mm	Length mm	Height mm	Feed moisture content %	Dry powder moisture content %	Number of discharges
BVD207	2	7	5.6-7.7	30-145	1000-5000	1200	7500	2000	20-80	0.5-5	3.5-21
BVD210	2	10	8-11	30-145	1000-5000	1200	9000	2000	20-80	0.5-5	5-30
BVD320	3	20	16-22	30-145	1000-5000	1600	9000	2500	20-80	0.5-5	10-60
BVD330	3	30	24-33	30-145	1000-5000	1600	12000	2500	20-80	0.5-5	15-90
BVD430	4	30	24-33	30-145	1000-5000	1900	9000	3400	20-80	0.5-5	15-90
BVD435	4	35	28-38			1900	10500	3400			17.5-105
BVD440	4	40	32-44			1900	12000	3400			20-120
BVD455	4	55	44-60			1900	15000	3400			27.5-165
BVD550	5	50	40-55	30-145	1000-5000	2200	10500	3700	20-80	0.5-5	25-150
BVD560	5	60	48-66			2200	12000	3700			30-180
BVD565	5	65	52-71			2200	13500	3700			32.5-195
BVD575	5	75	60-82			2200	15000	3700			37.5-225
BVD585	5	85	68-93			2200	16500	3700			42.5-255
BVD650	6	50	40-55	30-145	1000-5000	2200	9000	3700	20-80	0.5-5	25-150
BVD660	6	60	48-66			2200	10500	3700			30-180
BVD670	6	70	56-77			2200	12000	3700			35-210
BVD685	6	85	68-93			2200	13500	3700			42.5-255
BVD695	6	95	76-100			2200	15000	3700			47.5-285
BVD6105	6	105	84-115			2200	16500	3700			52.5-315
BVD6115	6	115	92-126			2200	18000	3700			57.5-345
BVD7110	7	110	88-121	30-145	1000-5000	2500	15000	4000	20-80	0.5-5	55-330
BVD7125	7	125	100-137			2500	16500	4000			62.5-375
BVD7140	7	140	112-154			2500	18000	4000			70-420
BVD8135	8	135	109-150	30-145	1000-5000	2800	15000	4500	20-80	0.5-5	67.5-405
BVD8150	8	150	122-168			2800	16500	4500			75-450
BVD8170	8	170	136-187			2800	18000	4500			85-510
BVD9170	9	170	137-190	30-145	1000-5000	3000	16500	4900	20-80	0.5-5	85-510
BVD9190	9	190	152-210	30-145	1000-5000	3000	18000	4900	20-80	0.5-5	95-570
BVD10190	10	190	152-210	30-145	1000-5000	3000	16500	4900	20-80	0.5-5	95-570
BVD10210	10	210	168-231			3000	18000	4900			105-630
BVD10235	10	235	188-260			3000	18000	4900			117.5-705
BVD11252	11	252	200-280	30-145	1000-5000	3000	18000	4900	20-80	0.5-5	126-756

Technical parameters（solid）

Model	Exch Heat area	Drying temperature	Feed moisture content	Dry material moisture content	Heating medium	Water
JBG3-15	15 m²	20-135° C （Adjustable）	10-80% （Mobility）	0.3-5% （Adjustable）	Superheated water	8-12Kg/h
JBG5-35	35 m²					18-25Kg/h
JBG5-50	50 m²					25-35Kg/h
JBG5-70	70 m²					35-45Kg/h
JBG5-80	80 m²					40-60Kg/h
JBG7-120	120 m²					70-90Kg/h
JBG9-160	160 m²					90-120Kg/h
JBG11-220	220 m²					120-150Kg/h

Note: The above evaporation is calculated according to the evaporation water. If the organic solvent is evaporated, the evaporation capacity will be greatly improved. The height of the equipment depends on the installation method. The above equipment is highly available for reference!

Key Features

Vacuum belt dryer finds its application in a wide range of industries – especially for products that are difficult to dry and process using the traditional dryer techniques. Senbofluid These include, but are not limited to: conventional and western pharmaceutical products, biological products, food, health foods, chemicals, and food additives, etc.

Food Products

01

Used to produce food products such as malt extract, tea powder, corn paste, instant beverage, and cocoa powder. The fineness of the powder and the granules’ size for food products such as coffee can be controlled using specific crusher equipment.
Other food products include: Rice protein powder, hops extract, wheat essence, vegetable juice concentrate, meat extracts,chocolate products, instant soup, etc.

Pharmaceutical products

02

Pharma products such as Chinese medicine extracts, embryos, plant extracts, and PVPK products are primarily produced using Vacuum Belt Dryers. Other pharma products processed using VBDs are vitamins, fermentation broth, antibiotics, and active medicinal substances, etc.

Chemical products

03

VBDs are also used to produce chemical products such as the lithium battery used in a wide range of electric vehicles and emamectin benzoate (an insecticide used in pest control).

Product configuration

Vacuuming System

Heating System

CIP Cleaning System

Feed System

Control System

Control Cabinet

Why Choose Us

Our equipment has been successfully applied in multiple fields such as natural extracts, traditional Chinese medicine extracts, food slurries, and fine chemicals, and has been exported to numerous countries. We have accumulated extensive cross-industry drying case studies, providing new customers with reliable process references.
From project consultation and process testing to equipment customization, installation and commissioning, operator training, and after-sales maintenance, we provide comprehensive technical support throughout the entire process. If needed, we can also offer pilot-scale prototype testing to ensure the equipment perfectly matches the actual material requirements.
The parts of the equipment in contact with materials are made of corrosion-resistant materials such as stainless steel (e.g., SS316L) or PTFE, complying with GMP, ISO, and FDA standards. This makes them suitable for high-standard production environments in industries such as pharmaceuticals, food, and health products.
The equipment employs an advanced automated control system, enabling real-time adjustment of key parameters such as belt speed, material layering thickness, temperature, and vacuum level. This ensures process repeatability and batch consistency, reduces manual operation errors, and enhances both production efficiency and product stability.
We offer tailored customization of equipment parameters and system configurations based on the characteristics of the material (e.g., thermal sensitivity, viscosity, crystallization requirements). By optimizing the drying path, we ensure that the product retains its active ingredients, color, aroma, and solubility under low-temperature and vacuum conditions, thereby achieving high-quality finished products.