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The whole pipeline project is divided into solution of container pipe spool fabrication line, on-site prefabrication and on-site installation. Among them, the Solution of container pipe spool fabrication line is the first step of pipeline engineering, and its importance is self-evident.

• What are the specific principles of the solution of container pipe spool fabrication line?

• What is the definition of solution of container pipe spool fabrication line?

• What are the precautions for the production of solution of container pipe spool fabrication line?

What are the specific principles of the solution of container pipe spool fabrication line?

The main purpose of the solution of container pipe spool fabrication line is to reduce the amount of installation on site so as to improve the efficiency of supply and installation and improve the construction quality of the pipeline. The general principles are as follows:

1. Pipes made of special materials, such as Hastelloy, titanium and other precious metal materials, have high requirements for installation quality, especially for the installation environment and surface anti-pollution requirements of pipelines. It is difficult to meet the requirements.

2. Pipes between combined equipment, such as compressor unit system pipelines, are generally prefabricated in the factory by equipment manufacturers according to equipment positioning due to the high internal cleaning requirements of such pipelines.

3. Pipe sections with special structures, such as jacketed pipes with strict requirements and pipes with special structures inside the pipes, can be prefabricated by manufacturers with mechanical processing due to on-site prefabrication and limited processing capacity.

4. Pipes with lining, such as carbon steel lined PTFE pipes, these pipes will generally be prefabricated and lined directly by manufacturers with lining capabilities entrusted by the owner according to the design drawings, and a certain adjustment pipe section is reserved. Prefabricated and installed on site.

What is the definition of solution of container pipe spool fabrication line?

Definition of solution of container pipe spool fabrication line: The discharge and sectional design of the pipeline of the piping system, in the factory (workshop), after pipe bending, pipe fitting fabrication, beveling, welding, heat treatment, inspection, marking, cleaning, painting And protection and other processes, the process of manufacturing pipeline products. Among them, we can understand that the depth in the solution of container pipe spool fabrication line represents the ratio of the number of welding and inspection completed in the prefabrication plant to the total number of welding in the project, that is, the ratio of the number of prefabricated welds to the total number of welds, for reference!

What are the precautions for the production of solution of container pipe spool fabrication line?

solution of container pipe spool fabrication line is to connect the pipes in the workshop when the construction is not good or the weather is bad, and then lay them directly on the site. This can speed up the progress of the project. Prefabrication should pay attention to details such as size and angle. There is the safety issue of large prefabs in transit.

Wincoo Engineering Co., Ltd (WINCOO) is engaged in bringing the most suitable solutions/equipment for clients, fabricators, EPC/C companies on pipe fabrication, tank construction, pipeline construction, industrial production lines, clean energy project and other industrial fields.

In recent years, with the large-scale application of tank welding machine, the welding quality requirements of tank welding machines are getting higher and higher. The following points should be paid attention to before purchasing tank welding machines.

 

Here is the content list:

l Know the production performance of tank welding machine in advance.

l Need to understand the characteristics of tank welding machine before buying.

l Detailed description of the purchase reference of tank welding machine.

 

Know the production performance of tank welding machine in advance.

Applicable materials for tank welding machine:tank welding machine uses ordinary welding wire as the repair material. The materials are: gray iron, ductile iron, stainless steel, carbon steel, die steel, aluminum, aluminum alloy, copper and other conductive metals can be repaired .

 

Scope of application of tank welding machine: tank welding machine is a professional precision repair welding equipment for small defects such as pinholes, sand holes, pores, cracks, bumps, scratches, pits and mechanical parts surface wear and mold wear. It is widely used in mold industry, foundry industry, electrical appliance manufacturing industry, medical equipment, automobile, shipbuilding, boiler, construction, bridge construction and other industries.

 

Need to understand the characteristics of tank welding machine before buying.

(1) Low heat and normal temperature welding, the matrix does not generate heat, does not produce thermal deformation, the metallographic structure near the welding point is unchanged, there is no stress, no crack, no hard spot hardening phenomenon, and does not affect the machining performance.

(2) Simple operation, multi-purpose in tank welding machine. In addition to the surfacing repair function, it can also strengthen the surface coating of cemented carbide such as tungsten carbide.

(3) Argon gas protection has good adhesion, high welding strength, metallurgical bonding, and re-solidification after the filling material and the matrix are melted at the same time, and the bonding is firm, dense, and does not fall off. After welding repairs, various machining processes such as turning, milling, planing and grinding can be carried out.

(4) The source of tank welding machine is wide, economical and practical, the whole machine is about 30KG, and it can be repaired online.

(5) Rotary self-destructive electrode deposition surfacing welding, easy to operate and high working efficiency.

(6) Environmental protection and no pollution. No harmful gas is generated, it can be directly held by hand, can be seen by eyes, and the welding position is accurate, the welding point is small, and the amount of repair after welding is small.

(7) The tank welding machine repair process is the repeated melting and accumulation of high-frequency welding repair points. No matter the size of the defect, it can be repaired as long as the pen tip can touch.

(8) Pure metal repair, no welding repair trace, welding repair effect meets quality inspection standards.

 

Detailed description of the purchase reference of tank welding machine.

1. When purchasing tank welding machine products, go to formal manufacturing companies or large shopping malls, and choose brand-name and high-quality products with a high market share. Don't go to a small store for cheap, as the quality of the tank welding machine cannot be guaranteed.

2. Before buying, you can check the operation, conversion and installation of the switch on the panel, the power indicator light is on and off, the fan is normal, whether there is abnormal vibration and buzzing in the power supply part, whether there is a peculiar smell, and whether it is in appearance There are heat generation phenomena such as discoloration to ensure the quality of the tank welding machine and give full play to the performance of the tank welding machine.

3. The dealer can be required to provide a product quality inspection report or certificate when purchasing. Because tank welding machine products are national compulsory certification products, you must confirm whether the product has passed the "3C" certification when purchasing. You can also check online.

4. When purchasing, check whether the nameplate on the product has the name of the manufacturer, production address, specifications, model, welding current adjustment range, load duration, input voltage and current, etc., and then determine what you want to buy according to work needs tank welding machine.

5. Be sure to check whether the product has a grounding screw when purchasing. The grounding screw connection should be well grounded without paint. Whether the movement is clean and the insulation is damaged to ensure safe use. You can also check if necessary.

6. If you want to buy a gas-protected tank welding machine, check whether the accessories are complete, whether the wire feeder is oily, whether it rotates smoothly, whether the connecting cable matches the outer insulation, to ensure the stability of the arc.

 

What is more?  WINCOO provide not only tank welding machines, but also pipe spool fabrication solutions for customers from everywhere!

The orbital welding machine uses the arc to burn between the electrode and the workpiece as a heat source to heat the electrode and the base metal. Under the action of the arc heat source, the molten electrode metal and the partially molten base metal form a molten pool, and the molten pool solidifies to form a weld.

• How does an orbital welding machine work?

• What is the Product parameter of orbital welding machine work?

• What are the economic benefits of using an orbital welding machine?

How does an orbital welding machine work?

The orbital welding machine uses the heat energy generated by the combustion of the oxygen-acetylene flame to heat the ends of the butt-welded rails to a molten state, and then applies a certain upsetting pressure to weld the rail ends. There are two existing methods: factory welding and mobile welding. Factory welding is the same as contact welding. The mobile welding method, also known as small air pressure welding, is mainly used to weld the joint joints of the long rails on the construction site. The quality of air pressure welding is also better. Aluminothermic welding. Put the prepared aluminothermic flux (made of metal aluminum, iron oxide, iron alloy and iron nail head, etc.) into a special crucible, ignite the flux with a high-temperature match, and produce a strong chemical reduction reaction to obtain high-temperature molten steel and molten steel. Slag, after the reaction is calm, inject it into the preheated sand mold tightly fastened to the ends of the two rails, melt both ends of the butt joints, remove the sand mold after cooling, and reshape the welded joint in time. Welded into one. The quality of aluminothermic welding is poor, and the fatigue strength is even worse, only reaching 45% to 70% of the base metal.

What is the Product parameter of orbital welding machine work?

Suitable pipe: More than 130mm

Pipe wall thickness: 4-50mm

Suitable for C.S, S.S, A.S, low temperature steel (S.S is with special rail)

Suitable seam welding: Pipe to pipe, pipe to elbow, pipe to flange

Drive system: Stepping motor wheels and Gear/worm transferring

Drive system: Button to add and subtract speed

Adjustment manner: Electrical circuitry control

Oscillating system: The company's proprietary technology products, swing stepper motor

Control system: The company's proprietary technology products, the digital control.

What are the economic benefits of using an orbital welding machine?

(1) Orbital welding machine can run smoothly, safely and reliably.

(2) Orbital welding machine prolongs the service life of running vehicles and rails and reduces maintenance costs.

(3) Practice has proved that the running speed of vehicles running on seamless tracks can be increased by 20% to 40%, which can improve productivity for factories with busy vehicles and large distances, and its economic benefits are very obvious.

(4) The use of the orbital welding machine eliminates the vibration noise of the joint to a certain extent and improves the working environment. The drivers of the vehicles running on the seamless track generally report that the operation is smooth and comfortable. After testing, the driver's indoor noise has been reduced by more than 10dB, and the outdoor noise has been reduced by more than 35dB.

Orbital welding machines have been used in many fields.Wincoo Engineering Co., Ltd maintains close relationships with customers in orbital welding machine industry, and is committed to strengthening production and operation, improving quality and safety.

1. Adjust the operating vehicle

According to the width of the steel plate, adjust the height of the operating vehicle, so that the distance between the bottom edge of the wheel and the upper surface of the tray can reach the width of the steel plate. At this time, the upper limit of the tray is adjusted in the middle position, and the beam of the tray can also be adjusted accordingly in the construction according to the situation.After adjusting the operation car, be sure to insert the puncture pin of the column and tighten the screws to ensure the smooth operation of the car during walking

 

2. Power access

Make sure there is no short circuit in the operation car, place the welding power switch in the correct position of automatic welding, turn on the power, and close the main switch of the welding power supply.And test and debug the system is normal operation.

 

3. Clean the groove

The Angle grinder is used to clean up the oil and rust in the groove, remove burrs, splashes and solder spots on the groove surface. The lower vertical joints of the steel plate are ground to 100mm, and the contact points between the upper vertical joints and the transverse joints are handled well to make the bottom of the groove smooth and smooth, so as not to hinder the movement of the pallet along the steel plate.

 

4. Install the welding wire

Put the wire into the wire tray for fastening, and then cut off part of the bundled string.

A hose should be added between the welding wire plate and the welding gun to avoid electric leakage between the welding wire and the body.The pressing force of the straightening wheel should be small to avoid bending of the welding wire caused by excessive pressure.After the welding wire is inserted into the gun barrel, close the wire feeding pressing wheel and press the "wire feeding" button to send the welding wire out of the conductive nozzle for a length. At this time, all the binding ropes are cut open.The pressing degree of the pressing wheel should be appropriate. If it is too loose, it will cause the wire to slip. If it is too tight, it will cause the wire indentation to be too large, and the resistance will increase, leading to the instability of the welding arc.When the conductive tip is worn too much, it must be replaced in time, otherwise the conduction is not reliable, and it is easy to cause the welding arc instability.

 

5. Filling flux

The flux shall be dried with a special drying box, and the heating temperature shall be as per the requirements of the flux. After heating, the flux shall be kept warm to about 50℃.When the flux temperature is too high, it can not be loaded into the flux box, so as not to burn the flux pipe.Pay attention to clean the dust on the filter cover in the flux box to ensure the suction of recovery.

 

6. Adjust the torch

Adjust the position and Angle of the welding torch so that it is in the center of the supporting belt.Operator requires that the stretching length of the wire is 20-30mm, that is, the distance between the conductive tip of the welding gun and the steel plate. The Angle of the welding gun is generally about 25 degrees.

 

7. Adjust the flux transport and recovery system

Adjust and operate the roof wheel, so that the tray is separated from the steel plate. Adjust the supporting belt on the tray to about 15-20mm below the groove, and then remove the roof wheel from the steel plate, so that the supporting belt contacts the tank wall, and test the operation for about 1M to check whether it is in normal operation.Adjust the relative position of the conveying port and the welding gun to ensure that the welding flux can fully protect the welding point;Adjust the position of the recovery port to ensure that all unreacted flux can be recovered to the flux tray.

 

8. Check whether the welding power switch is correct, whether the ground wire contacts and conducts well, check whether the switch behind the operation box is in the "automatic" position, and close the welding power switch.

 

9. Adjust the wire does not contact the steel plate, open the wire feed pressing wheel, press the "start" button of welding, at this time the voltmeter is displayed, adjust the voltage to 35V, and adjust the current to make the wire feed wheel speed is appropriate, press the "stop" button.(This work is mainly to ensure that the arc is easy to start after welding, the welding current and arc voltage are stable and the arc is normal.)

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