I、RD60 Asphalt Batch Mixing Plant Configuration:

1、 Cold aggregate supply system

(1)Components：Four aggregate hoppers and four belt feeders, Aggregate belt conveyor.
(2)Specifications: Four aggregate hoppers and four belt feeders:

Single hopper volume	The hopper width	Loading height	Motor power	Vibrators on the hopper wall	Aggregate	Belt width	Motor power
6.5m3	3.2m	3.0m	4×1.5kw	2×0.25kw	belt conveyer	500mm	4kw

(3)Characteristic: Frequency conversion timing with credible capability; modulerized design will be convenient for conveyance;

2、 The tilted belt feeding conveyer
(1) Components: Tilted belt feeding conveyer, Middle filter
(2) Specifications of The tilted belt feeding conveyer:

Belt width	Motor power
500mm	4kw

(3) Characteristic: No vibration in middle filter and little dust overflow from it; oversized aggregates will be prevented from entering the drying drum to reduce the heat loss and also avoid jam in the hot aggregate elevator or the vibrating screen.

3. (1) Specifications of Drying drum

Drum diameter	Drum length	Drum obliquity	Motor power
1.2m	5.2m	4°	11kw

(2) Characteristic: Inside the drying drum fixing up diversified blades used for lifting aggregate, it should be easy to exchange heat between the flame and the aggregate, the drying drum is driven by gear, smoothly and evenly drive.

4.Light Oil burning system

(1) Components: A set of light oil burner; the light oil tank will be supplied by client, a set of oil pipes;
(2) Specification:

Oil consumption	Wind fan power	Oil pump motor
400kg/h	11kw	3kw

(3)The burner characteristics:
1) Burner: the burner is equipped with gas ignition device;
2) Oil burning adjust method: automatic adjust; Adjust ratio: 1:3;

5.Hot aggregate elevator
(1)Specifications:

Motor power	Hopper reinforced material
5.5kw	65Mn

(2) Characteristic: Single rows of chains with double dowels, special structure for outlet to reduce the abrasion and noises.

6.Dust catcher system
(1)Components: Gravity dust catcher+cyclone dust catcher+ water dust catcher
(2)Specifications:

The power of drawing fan	Water dust catcher pump power	Filler recycling screw
30kw	2* 3kw	4kw

(3)Characteristics: By cyclone dust catcher the large filler will be removed and conveyed into aggregate elevator;

7.Mixer tower assembly
(1) The vibrating screen with four layers. (single shaft outside)
Specifications:

Motor Power	Mesh size
7.5kw	37.5×37.5、25×25、12×12、5×5 for a set in all

Attention: The screen mesh can be chosen according to the clients’ requirement, and the client must indicate when order the plant; or we will execute according to this configuration.

(2) Hot material binsof Components and specifications: Four separated bins with seal cover; overflowing device equipped will prevent exceeding aggregate blocking the screen mesh;
(3) Weighing bins;

Type of Hopper	Model	Rated Capability
aggregate weighing hopper	single hopper, suspending by three upholding points, with transportation fixed part	700kg
Filler weighing hopper	single filler, suspending by three upholding points, with transportation fixed part	80kg
Asphalt weighing hopper	single filler, heat preservation, suspending by three upholding points, with transportation fixed part	50kg

Characteristic: Accurate computation, offset could be compensated automatically.
(4) Mixer of Specifications: Installed power: 30kw;
Characteristic:
1). Mixers are made from European advanced techniques and equipped with synchronizing gear and pneumatic turning door;
2). Double shafts will contrarotate, which makes the aggregate turning up and down, and ensure the mixture mixed evenly.

(5) Asphalt spraying system
Specifications: Motor power of asphalt pump : 5.5kw
Characteristic: It will spray asphalt quickly and evenly by pressure, good for shortening the mixing time and enhancing the output.

8.Filler supply system of Components and specification:

Filler elevator installed power	filler temporarily storage silo volume	Screw conveyer
2.2kw	0.4m3	1.5kw

Characteristics: Storage silo will equip with air pressure to explode agglemeration;

9. Pneumatic system
(1)Components: A set of air compressor, cylinder, electromagnetic valve and pneumatic pipeline;
(2)Specifications：

An air compressor	air compressor power
1.05m3 /min	7.5kw

(3)characteristics: Pneumatic parts will be China famous brand with credible capability;

10. Asphalt supply system of Components:
0.1 million Kcal conduction oil stove, diesel oil burner, a dump tank(2 m3), a asphalt tank(30m3), pipes, valves and pump.
Specifications:

Conduction oil total power	Asphalt circulating pump	Asphalt discharging pump
9.9kw	1*5.5kw	1*5.5kw

11.Electric control system
(1) Control house: The figure dimension3x2.2x2.5m; Copy container structure, the walls, door and windows are made of colorized steel plate. Pleasing shape, good seal ; easy to hoist and transport.
(2) Electric control part: Box type control cabinet, main electric parts are China famous brand, which has interlock and two-grade protection; the big motor adopt reasonable voltage-reducing start; equipped with manual control device for urgency and displayer for aggregate balance,filler balance and asphalt balance; digital converter for cold aggregate; International brand colorized touch screen and PLC controller, can operate by automatically, Semi-automatically and manual control; Control is advanced, credible capability and accurate weighing, operation is convenient and obvious.

Ⅱ、The technical index:

Capability (standard conditions)	The mixer rated mix capacity	Oil consumption	Operation mode	The hot mixture discharge temperature	The figure dimension	The total installed power
60t/h	70OKG/BATCH	5.5-7kg/t	automatism control, Semi-automatism control and manual control	130～160℃(common asphalt)	(L×W ×H)36×18×13m	160.1kw