Reserve calculation method

(6) Polygonal method

The essence of the law is to calculate the reserves in the block controlled by the coal point in each project, as shown in Figure 2-8-19.

Each exploration area has multiple coal-seeking engineering points. The adjacent project points are connected by dotted lines, and the vertical bisectors are connected. The intersection points of the bisectors are connected by solid lines to form each project. See the polygon with the coal point as the center. Multiply the polygon area by the thickness and the bulk density of the coal point in the polygon to obtain the reserves of the coal seam within the area controlled by each coal engineering point. Add all the polygon reserves. It is the total reserves of its coal seams.

The method has the advantages that the method is simple and the operation is fast, and different coal thickness, ash, coal quality and other indicators can be separately calculated and counted according to requirements. However, the shape of the coal seam is seriously distorted, so it is not applicable to the exploration area where there are few coal engineering points. It is only applicable to the change of coal seam thickness and coal quality index, and the structure is simple, the production is gentle, and the coal project point is not Small but irregularly arranged areas.

Hydraulic Steel Coil Decoiler


Hydraulic steel coil decoiler can make easier to open steel coil.
It can be used well with the Roll Forming Machine.
We provide a one year warranty and lifelong technical support, we can send our technicians to you to give you on-site training.

uncoiler operating rules
First the forklift driver will keep the metal coil with swell-shrink reel shaft center in the same level, and then slowly put the steel coil on the uncoiler.
When steel coil tightly expanded, observe whether the coil turn freely, avoid coming up in the work of various kinds of hidden trouble.

 
Technique parameters

(1) Processing material: aluminum/galvanized steel/colored steel coil

(2) Capacity:5-10Tons

(3) Overall size:4500*1300*1700mm

(4) Main motor power: 3kw

(5) Pump power:3kw

 (6) Main frame: H Steel

  (7)Coil width:1250mm

 (8) Control system: PLC computer control  

 (9) Power supply: 380V, 3 Phase, 50Hz (can change as customers request)

 (10)Total weight:about 2 Tons

 
Components of line

1.Main Frame                   1 unit

2.Hydraulic Station           1 unit

3.PLC control system        1 unit

4.Move Car                     1 unit



We can produce many types roll forming machine,especially according to your request to produce. You need provide panel drawing, 

feeding width, effective width, and materials thickness,then we can send you more machine details.


Hydraulic Steel Coil Decoiler

Hydraulic Steel Coil Decoiler,Auto Coil Hydraulic Steel Decoiler,Steel Sheet Coil Hydraulic Decoiler,Automatic Hydraulic Steel Coil Decoiler

CANGZHOU DIXIN ROLL FORMING MACHINE CO., LTD , https://www.hebeimachine.com

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