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New type DZL Water Cooling Arch Chain Grate Steam Boiler
Fri Apr 13, 2018 11:54
125.120.76.130

Product Description
Introduction

The new Type water cooling arch DZL two-wings flue series boiler is the new type fast-assembly boiler developed by shengli Boiler and Xi’an Jiaotong University, this is national patent product, and the patent number is 200920088278.3. Compare with the boilers with same parameters, it has more compact structure, more reliable operation, smaller volume, faster output and higher thermal efficiency. The new type series boiler has passed the provincial industrial boiler energy efficiency test, it is domestic initiate product, and placed in the advanced level in domestic.
Application

The new type DZL series water-cooling arch chain grate boiler is widely used for stoving, prevention frostbite of mine, food processing, wood processing, textile printing and dyeing, canteen cooking, table-ware disinfection, chemical engineering and auto industry.
Advantage

1. Advanced technique
The fore-and-aft arch of the boiler utilizes the patent technique: the horizontal water-cooling pipe irrigates the whole water-cooling arch structure. It increases the heating area, has the function of heat insulating arch, and have the long life characteristic of water-cooling arch as well. Compare with brick, the furnace arch is durable.
2. Avoid grate stuck and side seal burnout
The boiler employs the structure of water-cooling side contact-seal. The design is advanced and reasonable, it replaces the traditional way for side seal with iron, avoids the problems of grate stucked by cast iron seal and side seal burnout because of air leakage.
3. Strong adaptability of different coals
The design of arch utilizes Xi’an Jiaotong University’s latest research achievement, which wins "Second Prize of National Scientific and Technological Progress", various kinds of coal are adaptable.
4. Avoid tube plate crack
The design of two-wings flue makes the flue gas access flue gas box from the back smoothly, increases the flue gas temperature in the high temperature tube plate, avoids the tube plate crack.
5. High heat diffusion efficiency, avoid dust gather
The drum employs single-return screwed pipe, improves the efficiency of heat diffusion, and avoids dust gathered in flue gas tube by taking advantage of screwed pipe’s ability of gas clean automatically.
6. Flexible control, air flows evenly
The boiler employs the new type structure of crank arm screw, can be adjusted flexibly, air flows evenly.
7. Push-pull type damper ash removal device is employed
The damper uses the seal structure of heat resistant cast iron, effectively prevents deformation of secondary combustion and grate air leakage.
Parameter
Model DZL2-0.8/1.0/1.25-AII.P DZL4-1.0/1.25/1.6-AII.P DZL6-1.25/1.6-AII.P DZL8-1.25/1.6 DZL10-1.25/1.6
Rated Evaporation Capacity (t/h) 2 4 6 8 10
Working pressure (MPa) 0.8/1.0/1.25 1.0/1.25/1.6 1.25/1.6 1.25/1.6 1.25/1.6
Rated Steam Temperature (℃) 174/184/194 184/194/204 194/204 194/204 194/204
Feed Water Temperature(℃) 20 20 20 20 20
Exhaust Flue Gas
Temperature(㎡) 167/168/170 165/169/107 165/169 167/170 166/167
Thermal Efficiency(%) 80.5/80.46/80.40 80.81/80.73/80.61 81.05/81.0 80.27/80.1 81.05/81.00
Coal Consumption
(kg/h) 331/331/332 660/660/662 987/988 1329/1332 1600/1647
Note: 1. Coal consumption: the calorific value of A II is 18841KJ/kg
2. Parameter is for reference only, if any changes should follow the factory technical data.

Transaction Process
Customer Inquiry -- Offer Professional Consulting Service -- Place Order -- Customize Boiler Based on Customers’ needs --Production-manufacturing -- Payment -- Impeccable After Sale Service (installation and debugging, periodic maintenance, etc.)

Offered Technical Documents
Installment and Operation Instruction Quality Certificate
Inspection Certificate of Boiler Quality General Drawing of Boiler
Foundation Drawing Boiler Body Drawing
Boiler Room Design Drawing Drawing of Valves, Instruments and Accessories
Company Strength
shengli Boiler is the industrial boiler professor of China, it is referred as technical innovated enterprise. The manufacturer base is located in Zhengzhou Airport Economy Zone, and covers an area of 130 thousands m2. The company owns about 800 employees, including 110 technical engineers, and about 700 sets advanced manufacturing equipment. shengli Boiler concentrates on the invention of high-tech and energy saving boilers, has owned more than 20 sorts national patent technologies. url:http://www.slboilers.com

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