【引言】
木材加工、生物质燃料生产过程中，木片烘干是决定成品品质的关键工序。不少加工厂使用普通烘干设备处理木片，极易出现物料开裂、表面发黑、干湿不均等问题，直接拉低木片热值，影响后续颗粒压制与人造板生产效益。金万泓木片专用单筒烘干机，针对木质物料特性优化工艺，实现低温柔性烘干，锁住木片原有品质，满足规模化连续生产需求。
In the process of wood processing and biomass fuel production, wood chip drying is the key process to determine the quality of finished products. Many processing plants use ordinary drying equipment to treat wood chips, which is very easy to cause material cracking, surface blackening, uneven drying and wetting, directly reduce the heat value of wood chips, and affect the subsequent particle pressing and man-made board production benefits. Jin Wanhong single-cylinder wood chip dryer, optimized process for wood material characteristics, realizes low temperature flexible drying, locks original quality of wood chips and meets continuous production requirements of scale.
一、木片烘干行业痛点：高温开裂、色泽变差、烘干不均
木片属于纤维类多孔物料，对烘干温度十分敏感。温度过高时木片表层快速脱水，内部水分来不及析出，就会出现表面焦黑、木料开裂碎裂；设备扬料结构不合理，会造成部分木片过干、部分含水率超标，成品干湿梯度大。水分控制不稳定，后续加工难题接踵而至，既影响成品外观品相，也会造成物料报废损耗，增加工厂生产损失。
Wood chips are fibrous porous materials and are very sensitive to drying temperature. When the temperature is too high, the surface layer of wood chips will be quickly dewatered, and the internal water cannot be separated out in time, so the surface will be burned and the wood will be cracked; Unreasonable lifting structure of equipment will cause excessive drying of some wood chips, excessive moisture content of some wood chips and large dry and wet gradient of finished products. Unstable water control leads to subsequent processing difficulties, which not only affect the appearance of finished products, but also cause material scrap loss and increase production loss of the plant.
二、传统烘干损耗大，制约颗粒成型、板材加工
采用简易烘干设备处理木片，烘干过程破坏性强，木质纤维受损严重。用于生物质颗粒生产时，开裂碎料占比高，压制成型难度上升，颗粒松散易破碎，成品热值达不到出厂标准；供给人造板生产线时，木片发黑、纤维断裂，会造成板材胶合性能下降，成品出现瑕疵，直接降低产品市场售价。同时传统工艺热损耗高，燃料消耗大，大批量生产状态下综合生产成本居高不下。
The wood chips are treated with simple drying equipment. The drying process is destructive and the wood fibers are seriously damaged. When used for the production of biomass particles, the proportion of cracked particles is high, the difficulty of pressing and forming is increased, the particles are loose and easy to be broken, and the heat value of finished products cannot reach the ex-factory standard; When supplied to the man-made board production line, the wood flake is blacked and the fiber is broken, which will reduce the adhesive property of the board, the finished product has defects and directly reduce the market price of the product. At the same time, the traditional process has high heat loss and fuel consumption, and the comprehensive production cost is high in the state of mass production.
三、金万泓木片专用单筒烘干机工艺优势
针对木片纤维怕高温、易碎裂的物料属性，对筒体、扬料结构、热风分配系统做专项优化。摒弃高温直烘模式，采用梯度低温柔烘工艺，热风均匀弥散在筒体内部，避免局部高温灼烧木片。设备运行稳定，可对接上游切片进料，实现 24 小时不间断连续作业，适配工厂流水线生产节奏，整套设备结构简洁，后期检修维护便捷。
Special optimization shall be made for the cylinder, material lifting structure and hot air distribution system according to the properties of wood chip fiber that is afraid of high temperature and easy to be broken. The high-temperature direct drying mode is abandoned, and the gradient low-temperature soft drying process is adopted. The hot air is evenly distributed inside the cylinder to avoid burning the wood chips at local high temperature. The equipment operates stably and can be fed by connecting with upstream slices, realizing 24h uninterrupted operation and adapting to the production pace of the plant assembly line. The whole equipment is simple in structure and convenient for maintenance in the later period.
四、低速扬料、渗透式烘干，不损伤木质纤维
设备配置木片专用加宽弧形扬料板，低速转动带动物料均匀抛洒，木片呈料幕状态下落，热风穿透料层完成渗透式脱水。不会高速击打撞击木片，最大限度保护原有木质纤维完整，减少碎裂、崩边现象，从根源规避开裂发黑问题，保障木片完整度。
The equipment is equipped with a special widened arc lifting plate for wood chips. The animal materials are uniformly scattered at a low speed. The wood chips fall in a material curtain state, and the hot air penetrates the material layer to complete the permeable dewatering. It will not strike and impact wood chips at high speed, protect the integrity of original wood fibers to the maximum extent, reduce cracking and edge collapse, avoid cracking and blackening from the root and guarantee the integrity of wood chips.
五、水分稳定达标，热值高、成品品相好
经过设备烘干后的木片含水率可控可调，出料水分均匀一致，无干湿分化现象。木质纤维保存完好，木片色泽自然，无焦糊发黑情况；内部热值充分保留。用作生物质原料，颗粒成型率高，燃烧热值稳定；作为人造板加工原料，胶合效果好，成品板材品质更有保障，提升产品市场竞争力。
The moisture content of wood chips after drying by the equipment is controllable and adjustable, and the discharge moisture is uniform without dry and wet differentiation. Wooden fiber shall be well preserved, wood chips shall be of natural color and luster, and there shall be no burnt or blackened condition; Fully retained internal heat value. It is used as biomass raw material, with high particle forming rate and stable combustion heat value; As a raw material for artificial board processing, it has a good gluing effect, and the quality of finished boards is more guaranteed, so as to enhance the market competitiveness of products.
六、适配生物质厂、板材厂、木材加工厂规模化生产
木片专用单筒烘干机适配多类应用场景：生物质颗粒加工厂、人造板板材企业、家具木材加工厂、竹木废料处置基地。既可以单机独立投产，也能够对接切片、筛分、制粒组成完整成套生产线，可根据工厂处理产量、厂房条件做定制化选型，满足大中小型木材加工企业的烘干需求。
The wood chip single-cylinder dryer is suitable for multiple application scenarios: biomass particle processing plant, wood-based panel enterprises, furniture and wood processing plant, and bamboo and wood waste disposal base. It can not only be put into production independently by single machine, but also form a complete set of production line for slicing, sieving and granulating. Customized model selection can be made according to the processing output of the plant and plant conditions to meet the drying requirements of large, medium and small wood processing enterprises.