1. Summarize

2. Technical specifications

1. Main technical parameter:

1.1 Steel strip technical parameter:

1.1.1 Strip Width: 350～1050 mm

1.1.2 Wall thickness: 5～10 mm

1.1.3 ID: Φ508～Φ610 mm

1.1.4 OD: Φ1200～1800 mm

1.1.5 Weight: ≤20 t

1.1.6 Steel grade: Q235, Q345B；16Mn

1.1.7 Strip Camber: ≤10/10 mm/m

1.1.8 Coil tower quantity: Single side less than 50 mm

1.2 Finished steel pipe specification: Meet with double submerged arc welding steel pipe（GB9711，SY5037，SY5040）

1.2.1 Steel pipe diameter: Φ219～Φ920 mm

1.2.2 Steel pipe wall thickness: 5～10 mm

1.2.3 Specified length: 8 ~ 12 + / - 0.5 m

1.3 Unit performance parameters

1.3.1 Delivery speed: 0.5 to 2.5 m/min

1.3.2 Welding speed: 0.6 to 2.1 m/min

1.3.3 Welding method: submerged arc automatic welding

1.3.4 Inside welding machine: DC - 1500

1.3.5 External welding machine: DC - 1500

1.3.6 Butt welding machine: DC - 1500 (Shared inside welding power supply)

1.3.7 Main drive roll diameter: Φ360 mm

1.3.8 Forming Angle: 39°～80°

1.3.9 Forming method: Inlet swing center positioning, external control sizing

2. Product outline:

2.1 Unit capacity: three shifts or two big shifts.

annual output: 10,000.00 ~ 30,000.00 tons

2.2 Production capacity:

Steel pipe	Raw material
Ф219～Ф426×6	Q345B
Ф529×8	Q345B
Ф630×10	Q345B
Ф720×10	Q345B
Ф820×10	Q345B
Ф920×10	Q345B

3. Eergy requirement:

Unit specification\Energy		Φ219～Φ920
Electrical power	Power	AC380V；50Hz
	Installed capacity	～400KW
Gas power	Air	0.6-0.8MPa
	Flow	2m3/min
Water power	Water	10 m3
	Flow	2m3/min

Remark:

1. For above parameters , we only provide a set of of the main equipment, excluding the workshop auxiliary facilities.

2. Installed capacity doesn’t contain crown and lighting power consumption.

4、Other assistant equipment:( prepared by buyer)

4.1 Workshop internal

one unit of 20/5 tons driving crane , one unit of 10 tons crane , lifting height 8 meters.

4.2 The finished product across crane

One unit of 20 tons outdoor gantry crane.

4.3 Welding machine

Repair welding needs several manul welding machine , carbon arc air gouging.

3. Equipment list:

1. Units composition:

No	Equipment name		Qty（set）			Supplier
Φ219-Φ920X10mm Spiral Welded Pipe Line Main section
1		Uncoiler		1			ZHHW
2		Pinching&leveling machine		1			ZHHW
3		Lateral Strip Gide		3			ZHHW
4		Shearing&Butt welding unit		1			ZHHW
5		trimmer		1			ZHHW
6		Main drive		1			ZHHW
7		Prebending		1			ZHHW
8		Feeding table		1			ZHHW
9		Forming machine		1			ZHHW
10		Inside welding unit		1			ZHHW
11		Outside welding unit		1			ZHHW
12		Pay-off table		1			ZHHW
13		Flying cutter		1			ZHHW
14		Kick out		3			ZHHW
15		Electrical system		1			ZHHW
16		Hydraulic system		1			ZHHW
17		Buried parts		1			ZHHW
Φ219-Φ920X10mm Spiral Welded Pipe Line Finishing section
18		Facing&Beveling machine		1			ZHHW
19		300TON Hydrostatic tester		1			ZHHW
20		Conveyor and platform					According to the plant layout，user prepare by themselves.
Outsourcing equipment
21		Weld flux transportation and recycle equipment			1	Chinese Brand
22		Inside and outside welder			2	American Lincoln
23		Butt welding device and mobile device			1	Chinese Brand
24		Plasma cutter LGK-160			1	Chinese Brand

4. Mill Components description

1. Uncoiler

Function: double roller bearing steel coil, double roller drive, hydraulic lift and center the steel coil, double cone head type discharge coil.

Structure: is mainly composed of base, taper, roller,

shovel knife device

Uncoiler motor power： 7.5KW

Uncoiler speed： 4.5m/min

Roller material: 42CrMo

Maximum bearing: 10T

2. Lateral Strip Guide

Function: Adjusting from both sides, centering and

guiding the side of steel strip by electrical.

Composition: Consist of base, transmission unit,

side guide roller assembly.

Adjustment: The screw nut and the screw rod.

Side guide way: AC motor

Motor power: 1.5KW

Vertical roll material： GCr15

3. Pinching & leveling machine

Function: Level the steel coils and pinch the steel

strip from the Uncoiler.

Composition: Consist of pinch roller, leveler, support

roller

Pinch roller press method: hydraulic cylinder press down 2 sets

Drive mode: AC motor Double roller drive

Leveling roll arrangement forms: three up, two down

Transmission power: AC 7.5KW

Roller material： 42CrMo

4. Shearing & Butt-welding

Function: Shear both ends of the steel strip and butt-welding the two steel coils with submerged arc welding.

Composition: Consist of body, shearing unit, and

Press plate and support roller.

Carriage drive: by cylinder Φ80/Φ45

Press plate clamp: by cylinder

Welding method: Semi-automatic submerged

Strip head and end cut method: Φ180 oil cylinder

hydraulic shear

5. Trimmer：

Features: use the cut way to strip off two burrs,

guarantee the board edge neat, convenient

adjustment and reliable.

Structure: mainly composed by the left and

right rack, roller device and the base, trimmers

gap adjusted by turning up and down screw ,

left and right side gap adjusted by worm rotation.

Adjust the blade gap： Worm gear and worm adjustment

The blade overlapping volume adjustment： up and down screw adjust

Diameter of trimmer blade: Φ360mm

6. Main Drive:

Function: Drive the steel strip to move forward to control the forming speed.

Composition: Consist of the driving unit, transmission unit, frame and cylinder. In order to prevent any curve in moving , a pair of pressure roller will be added at the entrance of main drive.

Speed: 0.6～2.5 m/min

Control mode: Ac frequency conversion

Roller diameter: Φ360mm

Motor: AC 22KW

7. Prebending Unit:

Function:Pre-bend steel strip single edge before entering into forming machine. Avoid any bend, hump before entering into forming machine. Roller own self protection function, which could achieve smooth running and delivery when plate thickness

changes;

Composition:Consist of pre-bend device, guide plate device and base.

Number of guide: 2

Roller material: 45

Fluctuation guide spacing: 5-20 mm

8. Forming machine:

Function: This machine is a key equipment, force to bend and

deform steel belt and generate steel pipe for welding.

Structure: composed by the mobile base, fixed base, vertical roll and

tension device and 1 #, 2 #, 3 # forming roller and 4 #, 5 #, 6 #, 7 #

external control roller,etc.

Unit type： Front overwind

Adjusting way： All three roller bending,

external control roller roller are adjustable

Strip positioning way： Center positioning

Scope of molding： Φ219～Φ920 mm

Thickness of the molding： 5-10mm

Forming Angle： 39°～80°

Screw pitch： max：1400mm

Forming roller diameter： Φ90、Φ100mm

Forming roller material： GCr15

2# beam： Φ219～Φ426、Φ529～Φ900

Performance:

·Forming machine has good rigidity and security, can ensure long-term produce, form steadily.

·Adjustment unit adopts motor, operate freely and control main parameter easily.

·All the transportation unit adopts little gap screw pole,

the unit can be agility, steady and credibility.

·Before forming, there is the two row lateral side guide and prebend plate to make the steel strip can enter into the forming machine exactly and steadily.

·The internal press unit of forming machine is the main component, it adopts double worm clamp, can carry outremove the gap. Ensure to form steadily.

·The internal press roller can be discharged

·The welding rod can lift by hydraulic jack. It always keep one position to ensure the welder to weld.

·The forming roller adopts GCr15 bearing roller, change freely and adjust freely.

9. Feeding Table:

Function: The foundation of the equipments in front of the forming machine. It forms the required angle by hydraulic pressure cylinder. It can be rotated and adjusted around the center shaft according to different steel strip width and diameter requirement to meet with different forming angle.

Composition: Consist of bridge body and operation mechanism composition, the bridge is welded by steel and steel plate,

10. Inner welding device:

Function: Used to fix and adjust the inner welding

head, ensureseam guide and weld.

Composition: Mainly consist of the support, welding

head mobile slide and conductive wire feed dry, etc.

Welding head move pattern: AC speed motor

Welding power source: DC - 1500

Welding speed: 0.6 to 2.1 m/min

12. Pay-Off table:

Function: The foundation of the equipment behind

the forming machine. It can rotate a minitrim angle

to correct

the welding gap.

Composition: It is consist of table body, V bracket

(2 sets),length unit , Roller unit, payoff swing

adjustment unit, centralizer.

Tuning angle: ±1.5°

13. Flying cutter:

Function: Cut the welded pipe in a fixed length.

Composition: Consist of foundation, carriage body,

top wheel equipment and driving equipment.

Cutting mode: Plasma cutting LGK-160

14. Buried parts

Function: Load all the equipment on the feed table and pay-off table.

Composition: Consist of slide way and anchor bolts of feed table and pay-off table..

15. Pipe drop-off unit

Function: Drop off the finished pipe from payoff

table to the tables.

Composition: Consist of drop hook, cylinder,etc.

16. Hydraulic system

Drive & control all the hydraulic parts of the entire production line. Hydraulic station adopts integrated block valve station, components are the products which are introduced from Germany rexroth technology and produced.

System pressure: 16MPa

Working pressure: 12MPa

17. Electrical System:

Unit electrical control system adopts PLC control technology，main machine adopts Japanese frequency converter.

Power supply: three-phase four-wire system AC380V＋10%

Unbalanced three-phase rate: ≤3%

Supply frequency: 50HZ +5%

Ambient temperature: 25°C +10%

Ambient humidity: ≤85% Don't allow a gel.

18. End facing and beveling machine:

Composition: base, headstock, the knife dish,

lift roller, kick in &out

End facing and beveling machine is used to

bevel and facing the ends of the finished steel

pipes according to the requirement.

Main motor：2x22KW

19. Hydrostatic Tester:

Composition: tensile beam and fixed mobile pedestal, test head, low pressure water system, high pressure water system, etc.

Function: Inspect the steel pipe, check

whether leakage under the request pressure,

Form: three beams

OD of steel pipe： Φ219～920 mm

Thickness： 5～10 mm

Length of steel pipe： 8～12.5 m

Maximal load of hydrotester： 300 ton

Maximal test pressure： 10 MPa

Seal method： Section seal

Supercharging ways: booster pump

20. Finishing zone equipment:

Mainly composed of roller,kick in &out, rotating rollers and bench.

Roller motor： 1.5KW

Kick in & out cylinder： 80/55

Rotating roller motor： 0.37KW

21. Hydraulic system

Drive & control all the hydraulic parts of the entire production line. Hydraulic station adopts integrated block valve station, components are the products which are introduced from Germany rexroth technology and produced.

System pressure: 16MPa

Working pressure: 12MPa

22. Electrical System:

Unit electrical control system adopts PLC control technology，main machine adopts Japanese frequency converter.

Power supply: three-phase four-wire system AC380V＋10%

Unbalanced three-phase rate: ≤3%

Supply frequency: 50HZ +5%

Ambient temperature: 25°C +10%

Ambient humidity: ≤85% Don't allow a gel.

6. Payment terms :

1. 30% as advance payment, and the contract comes into force at the same time;

2. Two months after the contract comes into force, the supplier will pay for 30% of the total amount of the contract as the stage payment;

3. Complete equipment manufacturing, the supplier need to pay 30% of the total amount of the as payment for goods, deliver at the same time;

4. Equipment commissioning and installation is complete, after the buyer accept, buyer needs to pay 5% of the total amount of the contract for acceptance;

5. The balance 5% of the total amount of the contract as a quality retention money will be paid till warranty period is over(warranty period is for one year).

7. Delivery time and transportation:

1. After the contract comes into force 150 days deliver equipment.

2. Transportation means: trucks.

3. Freight will be paid by buyer.

8. Acceptance standards

1. According to the GB related and technical agreement.

2. Acceptance according to produce two kinds of steel pipe, the diameter will confirm by both party.

9. Promised projects, performance data and performance test:

After installation and commissioning, go on examining and acceptance to equipment, choose two kinds of typical products to load test, the products meet with the corresponding national standard requirements. (Test specifications is depend)

Description:

During acceptance, the seller's guidance, the buyer site personnel operation, mutual support, to cooperate to complete production line assessment acceptance work.

within 5 days after acceptance, two parties will sign an commissioning acceptance documents, for the problems found in the acceptance, if it is the responsibility of the seller, through the mutual consultation , it will be repaired and replaced by the seller.

10. Quality promise and service items:

Equipment quality assurance period is one year, and provide long-term technical update and support.

11. Seller provides technology files schedule:

1. Within one month when the contract comes into effect, the supplier will provide the layout of equipment

2. Within one month when the contract comes into effect, the supplier will provide the following documents:

Equipment anchor bolt arrangement drawing.

Equipment wind, water, electric contact diagram drawing.

Equipment electrical line diagram drawing.

3. The following drawings will be sent along with the equipment delivery by supplier:

Equipment general arrangement plan drawing.

Equipment hydraulic principle diagram, piping diagram drawing.

Equipment electrical schematic diagram, wiring diagram drawing.

Equipment installation drawings

Equipment wearing parts diagram drawing.

Unit operation and maintenance instruction for use.

12. Bilateral liability

1. The Buyer’s Duties

a) The accommodation for the Seller’s engineers.

b) The foundation civil construction according to the Seller’s drawing. And prepare the water supply and electric power according to the Seller’s request.

c) Cables, bevel iron, water and air pipe.

d) Release the related payment according to terms of payment condition. If delay the payment, the delivery time will be delayed.

2. The Seller’s Duties

The Seller is responsible as below:

a) Guide to install and commissioning the equipments, train the Buyer’s worker on electrical, mechanical and hydraulic.

b) Supply the general layout, foundation civil construction layout, electrical pipeline layout, air, water and electric connection layout in duplicate after the contract comes into force within 30 days. Supply the installation and maintenance principle drawing, electric principle drawing and operation manual in duplicate along with delivery.

c) Supply the brand-new, not used complete equipments according the specifications.

d) Provide long-term, free of charge technology consultation. Provide the services free of charge during guarantee period. Replace the parts due to the Buyer destroy on run free of charge (exclude the wearing parts).

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