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Vertical Chain Grate Hot Oil Boiler
Introduction

YLL series vertical type hot oil boiler is also called chain grate thermal oil boiler(small scale flaker is available), with working characteristics of low working pressure (0.8 MPa) and high temperature (350℃).The heat carrier is heat conduction oil, the circulating pump force heat transfer medium circulating in liquid phrase, and transfer heat to heat user equipment, then return to the heating furnace for reheating. We can also customize the boilers based on customers’ requirement. 

Fuel: It has the advantages of feed mechanically, strong adaptability of different fuels, low coal leakage, and convenient maintenance. The fuel could be both coal and biomass fuels, includes wood, bagasse, straw, peanut shell, rice husk, etc.

Application Business: Textile printing and dyeing, plastic and rubber, wood industry, building material, machinery industry, food industry, etc.


Structure

1. High thermal efficiency structure of chain grate hot oil boiler

1) The boiler is circulation heating in liquid phase, there is no heat loss leaded by condensing, thermal efficiency is high, and the boiler is very safe when operating.

2)Adopts horizontal type three pass structure, improve the heat utilization efficiency.

3) The boiler shell use aluminum silicate board for heat preservation, low heat loss.

4) Equipped with economizer, make full use of flue gas heat, decrease the exhaust smoke temperature.


2. Large combustion chamber

1) The boiler combustion chamber is composed with chain grate and large diameter coil, large combustion space, high combustion efficiency. 

2) Combustion equipment and boiler upper part are designed separately, the boiler combustion chamber could be designed based on the characteristics of different fuels, wide adaptability of different fuels.


3Excellent coil design

The radiation section adopts square coil, and the convection section adopts serpentine coil, the heating coil has a good thermal expansibility, low stress, safe and reliable.


4. Automatic chain grate

1) The small scale chain grate boiler could resist the temperature as high as 1200℃, long working life.

2) The chain grate has a low coal leakage because of the small gap.

4) Convenient for maintenance, it could be done without boiler shut down.

5) Based on customers’ requirement and fuel characteristics, the grate could be designed as small scale grate, chain belt grate, and bar grate, etc.


5. Sufficient output

The boiler adopts horizontal type three pass structure, improve the heat utilization efficiency. Large heating area, good heat transfer, achieve high thermal efficiency and sufficient output.


6. Perfect automatic control 

The boiler adopts PLC full automatic intelligent control cabinet and interlock protect system, has the protect function on oil temperature, medium temperature, pressure, etc, adjust conveniently.


Boiler System

1-191120152Q3505.jpg

Owing to its characteristics of high heating temperature, low working pressure, and energy saving, the hot oil boiler could be widely used in a variety of industrial production. 

1) Textile industry - dyeing machine, drying rooms, high temperature machine, resin setting machine.

2) Food industry - cooking, drying, vegetable oil refining.

3) Chemical industry - oil chemistry, polymer industry, reaction tanks, distillation, concentration.

4) Plastics industry - plastics fired, extruded shape.

5) Rubber industry - hot press, hot extent, extrusion, vulcanization molding, injection, etc.

6) Paper industry - drying, corrugated paper processing, calender, glue roller.

7) Wood industry - hot processing, heat setting.

8) Machinery industry - drying, assembly processing

9)Building materials industry - plasterboard drying, asphalt heating, emulsified asphalt, asphalt concrete, concrete component maintenance, etc.

10) Synthetic fiber industry: polymerization, melting, spinning, extension, dry 

11) Other applications


Auxiliary

1-191120151640D5.jpg

Parameters

Model

Rated power (KW

Rated working pressureMPa

Working temperature (℃)

Thermal efficiency  (%)

Overall dimension L*W*H(m

Reference weight (t)

YLL-700MA

700

0.8

<350

75

4.8x2.5x5.5

17.5

YLL-1000MA

1000

0.8

<350

75

4.8x2.5x5.5

18

YLL-1200MA

1200

0.8

<350

75

5.3x2.6x5.7

19

YLL-1400MA

1400

0.8

<350

75

5.6x2.6x6.0

20

YLL-1800MA

1800

0.8

<350

75

5.6x2.7x6.4

22

YLL-2400MA

2400

0.8

<350

75

6.0x2.7x6.4

25

YLL-3000MA

3000

0.8

<350

75

6.0x2.8x6.5

26

Notes:Parameter is for reference only,if any changes should follow actual drawings.

 


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