The 5HSN series mixed flow grain dryer is an industrial-grade low-temperature continuous drying equipment independently developed by Zhengzhou Wangu Machinery Co., Ltd. It is specially designed for large, medium and small grain depots, grain processing plants, agricultural cooperatives and large-scale planting bases. It is suitable for drying corn, rice, wheat, soybean, sorghum, rapeseed, miscellaneous grains and various crop seeds. After drying, the grain features uniform moisture, low breakage rate and complete grain shape, fully meeting the standards for long-term storage, grain processing and seed preservation.
Adopting a vertical tower structure, the equipment integrates a mixed-flow drying section, large-capacity tempering section, counter-flow cooling section and intelligent grain discharging system, equipped with a PLC intelligent control system and online moisture monitoring device. Adopting a low-temperature mixed-flow drying process, multi-angle hot air penetrates the grain layer with sufficient tempering time, effectively avoiding grain cracking, surface hardening and uneven internal and external moisture, suitable for both large-scale commercial grain drying and low-temperature seed drying.
Wet grain is transported by a bucket elevator to the top distributor for uniform feeding. The grain flows downwards uniformly by gravity, and multi-angle hot air continuously penetrates the grain layer to remove moisture. The system automatically adjusts air temperature, air volume and grain discharging speed according to real-time grain moisture and ambient temperature, realizing 24-hour continuous, stable and automatic drying.
Drying Process
The equipment adopts an advanced mixed-flow low-temperature drying process: Mixed-flow dehydration → Layered tempering & moisture balancing → Deep drying → Counter-flow low-temperature cooling.
In the mixed-flow section, the grain is heated by multi-angle hot air at low temperature to remove surface moisture without thermal shock or cracking. In the tempering section, internal moisture fully migrates outward to balance the moisture gradient. Finally, deep dehydration and cooling are completed in the counter-flow cooling section. The outlet grain temperature is close to ambient temperature and can be stored directly.
The whole process realizes no over-drying, no adhesion, low breakage and high vitality retention, suitable for newly harvested high-moisture grain, old grain and seeds.
Structural Composition
1,Drying Tower Body---Made of thickened hot-dip galvanized steel plate with multi-layer angle box air distribution, featuring uniform hot air distribution, strong corrosion resistance and weather resistance. It can be installed outdoors without a workshop.
2,Bucket Elevator---Closed feeding design with low breakage and no dust emission, realizing continuous and stable grain feeding.
3,Top Distributor---Rotary grain distributing structure ensures uniform feeding and avoids uneven drying.
4,Mixed-flow Drying Section---Staggered multi-angle air channels ensure all-round heat exchange without dead corners and high dehydration efficiency.
5,Large-capacity Tempering Section---Extends moisture balancing time, completely solves the problem of surface drying but internal wetness, and improves drying qualification rate.
6,Counter-flow Cooling Section---Realizes low-temperature deep dehydration and synchronous cooling. The discharged grain has low temperature and avoids moisture regain and mildew during storage.
7,Variable-frequency Discharging System---Speed-adjustable impeller discharging precisely controls drying time and final grain moisture.
8, Multi-function Heat Source System---Compatible with biomass, coal, natural gas and fuel oil, reducing operating costs according to local energy conditions.
9,Intelligent Control System---PLC touch screen full-automatic control with online moisture detection, fault alarm and automatic adjustment, supporting both automatic and manual modes.
10, Waste Heat Recovery System---Recycles waste heat to greatly reduce energy consumption, energy-saving and environmentally friendly.
Core Advantages
1,Wide Application---Suitable for grain, oil crops, miscellaneous grains and various seeds, for both commercial grain and seed drying.
2,High Drying Quality---Low-temperature mixed flow plus sufficient tempering ensures extremely low cracking and breakage rate and retains grain vitality.
3,Uniform Drying Effect---Moisture deviation of the whole batch is less than 0.5%, meeting national grain storage standards.
4, Large Moisture Reduction Range---Maximum one-time moisture reduction reaches 25%, no pretreatment required for high-moisture new grain.
5, Energy Saving---Waste heat recycling makes unit water evaporation energy consumption much lower than traditional dryers.
6,Low Infrastructure Cost---Outdoor installation available without workshop, greatly reducing investment.
7, Intelligent Automation---24-hour unattended operation saves labor costs.
8, Durable & Easy Maintenance---Anti-corrosion and wear-resistant body with multiple maintenance ports for easy cleaning and maintenance.
Main Features
Low-temperature mixed-flow grain protection technology effectively guarantees grain integrity and seed germination rate
Intelligent closed-loop moisture control ensures high precision and stability
Flexible multi-heat-source adaptation meets local environmental and energy conditions
Industrial-grade structure supports long-term high-load continuous operation
Small footprint, fast installation and short commissioning cycle
Application Scope
Widely used in large grain depots, grain processing enterprises, rice and flour mills, seed companies, agricultural cooperatives and township grain stations. It meets both mass commercial grain drying and low-temperature seed drying requirements. The dried grain is clean, pollution-free, mildew-proof and sprout-proof, effectively reducing post-harvest grain loss.
Packaging & Warranty
The equipment is delivered in nude packing with shockproof and moisture-proof protection for core precision parts, suitable for long-distance transportation.
All equipment is manufactured and inspected in accordance with ISO quality system. The main machine and core components enjoy 12-month warranty. We provide full-process technical guidance, installation, commissioning, after-sales maintenance and spare parts supply.
MOQ: 1 Set
Delivery Time: 40‑50 Days
Payment: TT / L/C
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Fully‑Automatic Mixed‑Flow Grain Drying Equipment with Tempering‑Balancing, Temperature Control and Quality Preservation Images
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