1、RLY series direct fired natural gas hot blast stove for spray drying -- equipment introduction

RLY series direct-fired natural gas hot blast stove is a kind of equipment that uses the high temperature flue gas generated by direct combustion of fuel as a heat source to provide continuous and stable heat energy. The equipment with coal, natural gas, coke oven gas, blast furnace gas and other as the main fuel, high flexibility, can be customized according to customer needs of different specifications of equipment, to meet various industrial application scenarios.

In industrial production, especially in the spray drying process, a stable and reliable heat source is crucial. As a kind of high efficiency and low pollution heat source equipment, direct-fired natural gas hot blast stove has become the first choice in many industrial fields, especially in spray drying process. In this paper, the working principle, equipment characteristics and advantages of direct-fired natural gas hot blast stove dedicated to spray drying are introduced in detail to help better understand the value of this equipment in industrial production.

2、The working principle of RLY series direct fired natural gas hot blast stove for spray drying

The basic principle of RLY series direct-fired natural gas hot blast stove is to directly burn natural gas and other fuels to produce high temperature flue gas, and directly feed these high temperature flue gas into the thermal equipment, so as to achieve efficient energy transfer. Spray drying process is a kind of liquid material through the atomizer dispersed into small droplets, and then contact with high temperature air flow, quickly evaporated water to form dry powder process. In this process, a stable high temperature hot air is essential for the drying effect, product quality and production efficiency.

Different from the traditional indirect heating method, the direct-fired hot blast stove does not rely on the intermediate heat transfer medium, but directly transmits the combustion flue gas to the equipment that needs the heat source, reducing the loss of intermediate energy conversion. Therefore, the direct-fired hot blast stove has a high thermal efficiency, and because the flue gas generated by combustion is directly involved in the heating process, the temperature and quality of the heat source can be better controlled.

3、 RLY series direct fired natural gas hot blast stove for spray drying -- Equipment characteristics

3.1. ** Flame length control **

The flame length of the direct-fired natural gas hot blast stove for spray drying manufactured by Jiangsu Bohong Drying Equipment Company can be maintained within 700mm under any power. This design allows the hot blast stove to be more flexible in the spray drying process to adapt to different installation and application requirements. The shorter flame length is conducive to the control of combustion process and efficient fuel utilization.

3.2. ** Modular design **

The device adopts a modular design, and the output power of a single module is 200,000 kcal, which can be flexibly combined according to different application scenarios and power requirements. Through the modular assembly design, the cross-sectional area of the equipment can be greatly reduced, the footprint of the process can be optimized, and the installation and configuration in the factory can be facilitated.

3.3. ** High adjustment ratio design **

The direct-fired natural gas hot blast stove for spray drying has a regulation ratio of up to 30:1. This means that under different process conditions, the device can flexibly adjust the combustion power as required, thus precisely controlling the output hot air temperature. This is particularly important for spray drying processes that require precise temperature control to ensure consistent product quality.

3.4. ** Low NOx emission **

Through the flame dispersion design, the emission of thermal NOx (nitrogen oxide) is effectively reduced. This environmentally friendly design is in line with the stringent environmental requirements of today's industrial production, helping companies meet more stringent emission standards and reduce environmental pollution.

4、RLY series direct fired natural gas hot blast stove for spray drying -- equipment advantages

4.1. ** High thermal efficiency **

The direct-fired hot blast stove manufactured by Jiangsu Bohong Drying Equipment Company does not require indirect heating medium, and can directly transfer the heat generated by fuel combustion to the heat-requiring equipment, so the heat utilization rate is higher. Compared with the traditional indirect heating method, the heat loss is reduced, and the thermal efficiency of the overall system is significantly improved.

4.2. ** Low equipment investment cost **

Direct fired natural gas hot blast stove for spray drying requires less auxiliary equipment, simple structure, and reduces the initial investment cost of equipment. At the same time, because of its simple operation and easy maintenance, it can effectively reduce the management and maintenance costs in daily operation.

4.3. ** Long service life, stable operation **

The equipment uses high-quality materials and advanced combustion technology, so that it can maintain long-term stability and safety in high temperature and high load operating environment. The design life of the equipment is long, and the operation is safe and reliable, reducing the downtime caused by equipment failure in the production process.

4.4. Flexible temperature control **

The direct-fired natural gas hot blast stove for spray drying can flexibly adjust the temperature of the output hot air according to different process requirements, and the adjustment range is large. This has obvious advantages for spray drying processes that require precise temperature control, especially for temperature-sensitive material handling. In addition, the equipment is equipped with PID control system, which can realize automatic temperature adjustment, thereby further improving the accuracy of temperature control and the automation level of the system.

4.5. ** Low operating costs **

The operation cost of direct-fired natural gas hot blast stove specially used for spray drying is lower. Its direct combustion mode makes the high-temperature flue gas generated after fuel combustion enter the thermal equipment without other additional emissions, reducing the waste of energy. At the same time, due to the high combustion efficiency and flexible adjustment of the equipment, it can further reduce the operation energy consumption and reduce energy costs.

5、 RLY series spray drying special direct fired natural gas hot blast stove application field

Spray drying process is widely used in food, medicine, chemical, ceramics and other industries, especially for the need to quickly dry liquid materials into powdered products. Direct-fired natural gas hot blast stove for spray drying has become an indispensable equipment in these industries because of its high thermal efficiency, flexible temperature control and environmental protection.

5.1. ** Food industry **

In the food industry, spray drying technology is often used in the production of milk powder, coffee, condiments and other products. The direct-fired natural gas hot blast stove can provide a stable heat source to ensure the drying effect of food, and its flexible temperature control ability can ensure the consistency of product quality.

5.2. ** Pharmaceutical industry **

The pharmaceutical industry has very high requirements for the drying process of products, especially the active ingredients of some drugs are extremely sensitive to temperature. The precise temperature control function of the direct-fired natural gas hot blast stove dedicated to spray drying can meet the strict requirements of the pharmaceutical industry for the drying process and ensure the effectiveness and safety of drugs.

5.3. ** Chemical industry **

In the chemical industry, spray drying is widely used in the production of resin, dye, ceramic powder and other products. Direct-fired natural gas hot blast furnaces can provide enough heat energy to ensure the drying efficiency and product quality of these chemical materials, while reducing energy waste and reducing production costs.

The direct fired natural gas hot blast stove for spray drying produced by Jiangsu Bohong Drying Equipment Co., LTD is an efficient, environmentally friendly and stable heat source equipment with high thermal efficiency and good temperature control ability. Its modular design, low NOx emissions and high regulation ratio make the equipment particularly good in spray drying processes. By reducing heat loss, reducing operating costs and realizing environmental emissions, direct-fired natural gas hot blast furnaces dedicated to spray drying have broad application prospects in many industries.

一、RLY系列喷雾干燥专用直燃式天然气热风炉--设备简介

RLY系列直燃式天然气热风炉是一种将燃料直接燃烧产生的高温烟气作为热源，提供持续稳定热能的设备。该设备以煤、天然气、焦炉煤气、高炉煤气等为主要燃料，灵活性高，可根据客户需求定制不同规格的设备，满足各种工业应用场景。

在工业生产中，尤其是在喷雾干燥过程中，稳定、可靠的热源是至关重要的。直燃式天然气热风炉作为一种高效、低污染的热源设备，已经成为许多工业领域特别是喷雾干燥工艺的*。本文将详细介绍喷雾干燥专用直燃式天然气热风炉的工作原理、设备特点及其优势，帮助更好地理解该设备在工业生产中的价值。

二、RLY系列喷雾干燥专用直燃式天然气热风炉的工作原理

RLY系列直燃式天然气热风炉的基本原理是通过直接燃烧天然气等燃料，产生高温烟气，并将这些高温烟气直接送入需热设备，以此实现能量的高效传递。喷雾干燥工艺是一种将液体物料通过雾化器分散成小液滴，再与高温气流接触，迅速蒸发水分形成干粉的工艺。在此过程中，稳定的高温热风对于干燥效果、产品质量和生产效率至关重要。

直燃式热风炉与传统的间接加热方式不同，它不依赖于中间传热介质，而是直接将燃烧后的烟气输送至需要热源的设备，减少了中间能量转换的损失。因此，直燃式热风炉具有较高的热效率，并且由于燃烧生成的烟气直接参与到加热过程中，能够更好地控制热源的温度和质量。

三、RLY系列喷雾干燥专用直燃式天然气热风炉--设备特点

1. **火焰长度控制**

江苏博鸿干燥设备公司生产制造的喷雾干燥专用直燃式天然气热风炉的火焰长度在任何功率下均能保持在700mm以内。这一设计使得热风炉在喷雾干燥工艺中能够更加灵活地适应不同的安装和应用需求。火焰长度较短，有利于燃烧过程的控制和高效燃料利用。

2. **模块化设计**

设备采用模块化设计，单个模块的输出功率为20万大卡，能够根据不同应用场景和功率需求灵活组合。通过模块化的拼装设计，可以大幅减小设备的横截面积，优化工艺流程的占地面积，方便工厂内的安装与配置。

3. **高调节比设计**

喷雾干燥专用直燃式天然气热风炉具有高达30:1的调节比。这意味着在不同的工艺条件下，该设备能够根据需要灵活调节燃烧功率，从而精确控制输出的热风温度。这对于需要进行温度精确控制的喷雾干燥工艺尤为重要，能够保障产品质量的一致性。

4. **低NOx排放**

通过火焰分散设计，有效降低了热力型NOx（氮氧化物）的排放。这一环保设计符合当今工业生产对环保的严格要求，帮助企业满足更加严格的排放标准，降低环境污染。

四、RLY系列喷雾干燥专用直燃式天然气热风炉--设备优势

1. **高热效率**

江苏博鸿干燥设备公司生产制造的直燃式热风炉由于不需要间接加热介质，能够将燃料燃烧产生的热量直接传递至需热设备，因此热能利用率更高。相比传统间接加热方式，减少了热能损失，整体系统的热效率显著提高。

2. **设备投资成本低**

喷雾干燥专用直燃式天然气热风炉所需的辅助设备较少，结构简洁，降低了设备的初期投资成本。同时，由于其操作简单、维护方便，能够有效减少日常运行中的管理和维护成本。

3. **设备寿命长，运行稳定**

该设备采用了高品质的材料和*的燃烧技术，使其在高温和高负荷的运行环境中仍能保持长期的稳定性和安全性。设备的设计寿命长，且运行过程中安全可靠，减少了生产过程中因设备故障而导致的停机时间。

4. **灵活的温度控制**

喷雾干燥专用直燃式天然气热风炉可以根据不同的工艺需求，灵活调节输出热风的温度，且调节范围较大。这对于需要精确温度控制的喷雾干燥工艺，尤其是对于温度敏感的物料处理，具有明显优势。此外，设备配备PID控制系统，可以实现温度的自动调整，从而进一步提高温度控制的精准度和系统的自动化水平。

5. **低运行费用**

喷雾干燥专用直燃式天然气热风炉的运行费用较低。其采用的直接燃烧方式，使得燃料燃烧后产生的高温烟气全部进入需热设备，无其他额外排放，减少了能源的浪费。同时，由于设备燃烧效率高、调节灵活，能够进一步降低运行能耗，减少能源费用。

五、RLY系列喷雾干燥专用直燃式天然气热风炉的应用领域

喷雾干燥工艺广泛应用于食品、医药、化工、陶瓷等多个行业，尤其是对于需要将液体物料迅速干燥成粉末状产品的场景。喷雾干燥专用直燃式天然气热风炉因其热效率高、温度控制灵活且环保等特点，成为这些行业中不可或缺的重要设备。

1. **食品行业**

在食品行业中，喷雾干燥技术常用于奶粉、咖啡、调味品等产品的生产。直燃式天然气热风炉能够提供稳定的热源，保障食品的干燥效果，同时其灵活的温度控制能力能够确保产品质量的一致性。

2. **医药行业**

医药行业对产品的干燥工艺要求极高，尤其是某些药品的活性成分对温度极为敏感。喷雾干燥专用直燃式天然气热风炉的精确温度控制功能能够满足医药行业对于干燥工艺的严格要求，确保药品的有效性和安全性。

3. **化工行业**

在化工行业中，喷雾干燥广泛应用于树脂、染料、陶瓷粉体等产品的生产。直燃式天然气热风炉能够提供足够的热能，保障这些化工物料的干燥效率和产品质量，同时减少能源浪费，降低生产成本。

江苏博鸿干燥设备公司生产制造的喷雾干燥专用直燃式天然气热风炉是一种高效、环保、稳定的热源设备，具有极高的热效率和良好的温度控制能力。其模块化设计、低NOx排放、高调节比等特点使得该设备在喷雾干燥工艺中表现尤为出色。通过减少热能损失、降低运行成本和实现环保排放，喷雾干燥专用直燃式天然气热风炉在多个行业中的应用前景广阔。