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Sand Dryer

Sand Dryer

ico 1 Length: 6-8.5 (m)

ico 2 Processing capacity: 20-99 (t/h)

Applied materials : river sand, quartz sand, sand, sand mining, ore, slag, blast furnace slag, fly ash, cinder.

Logistics diagram

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The Handling Materials and Features of Sand Dryer:

Sand dryer, also known as river sand dryer, quartz sand dryer, is a kind of drying equipment to process large numbers of items, with reliable running, operating flexibility, adaptability, large capacity, etc. Sand drying machine is suitable for drying granular materials, especially sand, river sand, quartz sand with an excellent drying effect.

The outside and inside

The Advantages and Benefits of Sand Dryer:

  • 1. The fuel of sand dryer can be white coal, bituminous coal, coal, oil, gas, etc., and it can dry block, granular and powdery materials with a particle size of 20-40 mm.
  • 2. The floor space of sand dryer is about 60% less than single cylinder drying machine, and civil engineering investments can be reduced by 60%. It is easy to install.
  • 3. Completely solves the sealing issues without leakage.

Before and after drying

Features:

  • 1. Sand dryer is made up of wear-resistant manganese plate, which is 3-4 times wear-resistant than ordinary steel plate. The raw material with moisture is within 15%, and moisture of dried material is 0.5-1%. Compared with traditional single cylinder drying machine, its thermal efficiency can be improved by about 40% or more.
  • 2. The outside cylinder temperature is less than 60 degrees, and the waste gas temperature is less than 120 degrees. The service life of dust collector bag is twice as long as that of another collector. Coal consumption is one-third of the single cylinder dryer, saving electricity by 40%, with per ton consumption of standard coal less than 9 kg.

Working Process:

Sand will be fed into the hopper through belt conveyor and bucket elevator, and then be fed into the end hopper through feeding machine or pipes. The inclination of feeding pipe should be larger than the natural inclination of materials, for sand smoothly entering into the dryer. The dryer drum is a slightly inclined rotating cylinder with horizontal lines. Materials are fed from the higher end, while heat medium enters from low-end, forming counter-current contact with materials. Heat medium flowing into the cylinder together with the material is available. As the rotation of the cylinder, materials run to the end of the sand dryer under gravity. Wet material, in the course of the cylinder moving forward, directly or indirectly get heat from medium heat, and then discharged through the spiral conveyor or belt conveyor installed at the end of discharging port. Sand dryer is equipped with lifting board on the cylinder wall, and the lifting board plays the role of lifting and falling down materials, increasing the contact surface between material and air flow to improve the drying rate. Heat medium is generally divided into hot air, flue gas and others. Generally, the materials filled in gas needs to be cleaned by the cyclone dust collector. If you need to further reduce exhaust dust content, pass through bag filter or wet dust collector before discharging it.

Parameter

Spec./m
(Dia.×Length)
Shell Cubage
(m³)
Capacity
(t/h)
Φ1.2×8.0
9.0
1.9~2.4
Φ1.2×10
11.3
2.4~3.0
Φ1.5×12
21.2
4.5~5.7
Φ1.5×14
24.7
5.3~6.6
Φ1.5×15
26.5
5.7~7.1
Φ1.8×12
30.5
6.5~8.1
Φ1.8×14
35.6
7.6~9.5
Φ2.2×12
45.6
9.7~12.2
Φ2.2×14
53.2
11.4~14.2
Φ2.2×16
60.8
13.0~16.2
Φ2.4×14
63.3
13.5~16.9
Φ2.4×18
81.4
17.4~21.7
Φ2.4×20
90.4
19.3~24.1
Φ2.4×22
99.5
21.2~26.5
Φ2.6×24
127.4
27.2~34.0
Φ3.0×20
141.3
30.1~37.7
Φ3.0×25
176.6
37.7~47.1
Φ3.2×25
201
42.9~53.6
Φ3.6×28
285
60.8~76.0

Technical parameters of indirect heat dryer:

  Shell 
diameter
×shell 
Length  
Items
Inside 
diameter 
of outer 
shell
(mm)
Inside 
diameter 
of inner 
shell
(mm)
Shell
 cubage
(m³)
Φ1.5×15m 1500 500 20.27
Φ1.5×17m 22.97
Φ1.5×19m 25.68
Φ1.8×21m 1800 650 35.91
Φ1.8×23m 39.33
Φ1.8×25m 42.75
Φ2.2×21m 2200 800 58.10
Φ2.2×23m 63.61
Φ2.2×25m 69.15
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