The following measures should be taken to reduce the heat loss of gas-fired boiler

（1)降低排烟热损失：应控制合理的过量空气系数；减少炉膛和烟道各处漏风；制粉系统运行中尽量少用冷风和消 除漏风；应及时吹灰、除焦，保持各受热面，尤其是空气预热器受热面清洁，以降低排

(1) To reduce the heat loss of exhaust gas, reasonable excess air coefficient should be controlled; Reduce air leakage in furnace and flue; During the operation of pulverizing system, cold air should be used less and air leakage should be eliminated; Soot blowing and coke removal should be carried out in time to keep all heating surfaces, especially the heating surface of air preheater, clean, so as to reduce the emission

烟温度；送风进风应尽可能采用炉顶处热风或尾部受热面夹皮墙内的热风。

Smoke temperature; The hot air at the top of the furnace or in the skin wall of the heating surface at the tail should be used as far as possible.

(2)降低化学不完全燃烧热损失：主要保持适当的过量空气系数，保持各燃烧器不缺氧燃烧，保持较高的炉温并使燃料与空气充分混合。

(2) To reduce the heat loss of chemical incomplete combustion, it is mainly to keep the appropriate excess air coefficient, keep the burners burning without oxygen loss, keep the furnace temperature high and make the fuel and air fully mixed.

(3)降低机械不完全燃烧热损失：应控制合理的过量空气系数；保持合格的煤粉细度；炉膛容积和高度合理，燃烧器结构性能良好，并布置适当；一、二次风速调整合理，适当提高二次风速，以强化燃烧；炉内空气动力场工况良好，火焰能充满炉膛。

(3) To reduce the heat loss of mechanical incomplete combustion, the reasonable excess air coefficient should be controlled; Keep the qualified fineness of pulverized coal; The volume and height of the furnace are reasonable, the structure and performance of the burner are good, and the layout is appropriate; 1、 The secondary air speed should be adjusted reasonably, and the secondary air speed should be increased appropriately to strengthen the combustion; The working condition of the aerodynamic field in the furnace is good, and the flame can fill the furnace.

(4)降低散热损失：要维护好锅炉炉墙金属结构及锅炉范围内的烟、风管道，汽水管道，联箱等部位保温。降低排污热损失：保证给水品质，降低排污率。

(4) Reduce heat loss: maintain the metal structure of boiler wall and the thermal insulation of flue gas, air pipe, steam water pipe, header and other parts within the scope of boiler. Reduce the heat loss of sewage: ensure the quality of water supply, reduce the sewage rate.

冷凝式燃气锅炉

Condensing gas fired boiler

1、热效率高：采用器、冷凝器与锅炉一体式结构，充分吸收烟气排放余热和汽化潜热，热效率比普通炉型高10%以上；

1. High thermal efficiency: the integrated structure of economizer, condenser and boiler is adopted to fully absorb the waste heat of flue gas emission and latent heat of vaporization, and the thermal efficiency is more than 10% higher than that of ordinary furnace;

2、排烟温度低：器、冷凝器三维设计，采用高能传热、耐腐蚀材料，排烟温度可达60-90℃；

2. Low exhaust gas temperature: the three-dimensional design of energy saver and condenser adopts high-energy heat transfer and corrosion-resistant materials, and the exhaust gas temperature can reach 60-90 ℃;

3、、：采用烟气回转燃烧技术，使燃料得到充分燃烧，与普通炉型相比节约燃料10%左右，有害气体排放达到相关标准；

3. Energy saving and environmental protection: the flue gas rotary combustion technology is adopted to fully burn the fuel, which can save about 10% of the fuel compared with the ordinary furnace, and the harmful gas emission can meet the relevant national standards;

4、采用优量硅酸铝保温材料和双密封结构，保温、密封性能好；

4. Using high quality aluminum silicate insulation material and double sealing structure, the insulation and sealing performance is good;

5、全自动智能控制，可实现无人值守远程监控。

5. Automatic intelligent control, can realize unattended remote monitoring.