一、技术特点：

　　1.间接式加热输出的洁净热风最高温度可达200℃，是干燥行业的重要热源。广泛适用于农产品干燥、大棚加温、木材烘干、食品烘干等领域。例如：该热风炉与本公司生产的麦冬烘干机配套，干燥后的麦冬品质和外观俱佳，可达到出口要求。

　　2.环保节能热风炉采用立式结构、结构紧凑占地面积小，采用层状燃烧、半气化燃烧、多层换热设计、自动控制进料，换热的整个过程冷风平衡渐进吸热，热风平衡渐次放热，吸、放热速度曲线平滑、换热效果更好，换热面积大、热效率高，符合环保要求。采用正压送风方式输出热风，无漏烟污染物料和跑冒火星造成火灾的风险。采用的生物质颗粒燃料是国家支持推广的新型环保燃料，具有热值稳定、成本低、来源广泛的特点。

　　3.自动化程度高采用机电程序控制，可按用户设定控制然烧工况，自动运行，操作维护简便。

　　4.安装方便、使用安全，质量可靠采用一体化设计，安装方便。炉芯内胆采用耐高温材料制作，使用寿命长；电气连锁控制防止误操作，定期清灰，保障热风炉安全、稳定的运行，故障率低。

 

二、工况优点

(1)助燃风量压力高，火焰爆烈、刚性强，二次送风实现了燃料的完全燃烧，提高了燃料的燃值。

　　(2)恒压、恒流、恒温、持续的正压送风方式使工作更加稳定，物料受热均匀，有利于提高加工产品品质。

　　(3)在恒定的输出状态下，采用调节燃料供给量的方式来调节输出热风温度，克服了间隙式温控频繁启动和升降温过程的温度波动问题，使温度曲线平滑恒定，可以在士1°温差下恒定运行。

　　(4)紧急排热口的设置确保在紧急停机的状况下及时排出炉内的高温，保护炉膛内胆。

　　(5)在燃烧系统的高温部位采用耐高温金属材料，相对于非金属耐火材质的热惰性而言，增加了换热效率，延长了产品使用寿命。

　　三、节能环保性优点

(1)尾气排烟口无肉眼可见烟雾、无肉眼可见粉尘，烟气排放温度低于80°，具有卓越的环保性能。

　　(2)换热器集灰仓内沉积物中无碳黑色颗粒，燃料利用率高，节约燃料。

　　(3)板式螺旋换热器结构随螺旋层数的增加使换热面积无限增大，换热效率达99%以上，实现热量的高效转换。

　　(4)燃烧室燃烧容积和螺旋板式换热器螺旋层数的变化使热风炉总功率满足各种工艺和工况需要。

　　四、自动、智能化优点

(1)整机能在设定参数下全自动稳定运行，其故障检测系统能自动检测各机构运行状态，并发出相关声光提示。

　　(2)可根据用户需要配置温度反馈控制系统，当环境温度发生的变化时自动控制燃料供给量，以保证输出热风温度的恒定。

 

　　热风炉控制系统说明热风炉配置独立的燃烧及换热控制系统。

控制系统应在确保安全的前题下根据工艺特殊要求配置一套完善的控制方案，使热风炉控制操作灵活、热风炉运行安全可靠。

 

1. Technical characteristics:

1. The maximum temperature of clean hot air output by indirect heating can reach 200°C, which is an important heat source in the drying industry. It is widely used in agricultural product drying, greenhouse heating, wood drying, food drying and other fields. For example, the hot blast stove is matched with the wheat winter dryer produced by the company, and the quality and appearance of the dried wheat winter are good, which can meet the export requirements.

2. The environmental protection and energy-saving hot blast stove adopts vertical structure, compact structure, small footprint, layered combustion, semi-gasification combustion, multi-layer heat exchange design, automatic control feeding, the whole process of heat exchange, cold air balance gradual heat absorption, hot air balance gradual heat release, smooth heat absorption and heat release speed curve, better heat exchange effect, large heat exchange area, high thermal efficiency, in line with environmental protection requirements. The positive pressure air supply mode is used to output hot air, and there is no risk of fire caused by smoke leakage and pollutants and sparks. The biomass pellet fuel used is a new type of environmentally friendly fuel supported and promoted by the state, which has the characteristics of stable calorific value, low cost and wide range of sources.

3. High degree of automation, using electromechanical program control, can control the burning condition according to user settings, automatic operation, easy operation and maintenance.

4. Easy to install, safe to use, reliable quality, integrated design, easy to install. The inner liner of the furnace core is made of high-temperature resistant materials, which has a long service life, and the electrical interlocking control prevents misoperation, and the ash is cleaned regularly to ensure the safe and stable operation of the hot blast furnace with low failure rate.

Second, the advantages of working conditions

(1) The combustion air volume pressure is high, the flame is explosive and rigid, and the secondary air supply realizes the complete combustion of the fuel and improves the combustion value of the fuel.

(2) Constant pressure, constant flow, constant temperature, and continuous positive pressure air supply mode make the work more stable, and the material is heated evenly, which is conducive to improving the quality of processed products.

(3) In the constant output state, the output hot air temperature is adjusted by adjusting the fuel supply, which overcomes the temperature fluctuation problem of frequent starting and temperature rise and fall of the interstitial temperature control, and makes the temperature curve smooth and constant, and can run continuously under the temperature difference of 1°C.

(4) The setting of the emergency heat exhaust port ensures that the high temperature in the furnace is discharged in time under the condition of emergency shutdown and protects the inner liner of the furnace.

(5) The use of high-temperature resistant metal materials in the high-temperature parts of the combustion system increases the heat exchange efficiency and prolongs the service life of the product compared with the thermal inertia of non-metallic refractory materials.

3. Advantages of energy conservation and environmental protection

(1) There is no visible smoke and dust at the exhaust gas exhaust inlet, and the flue gas emission temperature is lower than 80°C, which has excellent environmental performance.

(2) There are no carbon black particles in the sediment in the ash collection bin of the heat exchanger, and the fuel utilization rate is high and the fuel is saved.

(3) With the increase of the number of spiral layers, the heat exchange area of the plate spiral heat exchanger structure increases infinitely, and the heat exchange efficiency reaches more than 99%, so as to realize the efficient conversion of heat.

(4) The change of the combustion volume of the combustion chamber and the number of spiral layers of the spiral plate heat exchanger makes the total power of the hot blast furnace meet the needs of various processes and working conditions.

Fourth, the advantages of automatic and intelligent

(1) The whole machine can run automatically and stably under the set parameters, and its fault detection system can automatically detect the operating status of each mechanism and send out relevant sound and light prompts.

(2) The temperature feedback control system can be configured according to the user's needs, and the fuel supply can be automatically controlled when the ambient temperature changes, so as to ensure the constant temperature of the output hot air.

 

Hot blast furnace control system: Description: The hot blast furnace is equipped with an independent combustion and heat exchange control system.

control system should be configured with a complete set of control schemes according to the special requirements of the process under the premise of ensuring safety, so that the hot blast furnace control operation is flexible and the hot blast furnace operation is safe and reliable.