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When using the tank welding machine, the operator puts the lamp tube into the fixture, presses the start button, the two pressing cylinders descend to position the workpiece in the ultrasonic mold cavity, and then the ultrasonic welding head acts to trigger the ultrasonic wave, and the welding head carries out the workpiece. After welding and welding, the cylinder drives the upper die to reset, the pressing cylinder rises, and the operator takes out the workpiece to complete one operation.

What are the characteristics of automatic vertical welder?

What is the working principle of tank welding machine?

What is the working effect of tank welding machine?

What are the characteristics of automatic vertical welder?

Automatic vertical welder is high-efficiency automatic welding equipment that uses current feedback closed-loop control of vehicle lift. The thickness of the welded joint can be up to 50mm at one time. Mainly used for thick plate welding in petroleum, chemical, blast furnace, shipbuilding and other industries. EGW vertical gas electric welding machine is a kind of high-efficiency automatic welding equipment improved according to the current feedback closed-loop control welding trolley. The main feature of automatic vertical welder is that the thickness is from 10mm to 50mm in one pass of forced water cooling. At the same time, the molten pool level is automatically controlled, and the wire extension length is automatically adjusted. Small size and light weight welding trolley, flexible and modular, easy to update and easy to use. Widely used in petroleum, chemical, blast furnace thick plate welding and shipbuilding industries.

What is the working principle of tank welding machine?

In most cases, the EGW used in the tank welding machine uses carbon dioxide gas as a protective gas, but sometimes pure argon, argon carbon dioxide mixed gas, argon oxygen mixed gas, and argon helium mixed gas are used. Welding wire is often made of flux wire that creates slag and provides an aesthetically pleasing weld, but sometimes solid wire is used.

Tank welding machine surrounds the molten pool with the base metal end and copper lining or refractory lining material, and can perform vertical upward welding while preventing dripping of molten metal, so it can be welded in a single pass (single operation) Welding of thick plates. Its applications include welding of vertical butt joints such as ship side outer panels, bridge construction, storage tanks, pressure vessels, etc.

What is the working effect of tank welding machine?

Tank welding machine is usually used for welding thicker materials such as low carbon steel and medium carbon steel, and can also be used for welding austenitic stainless steel and other metal alloys. The thickness of the plate is 12~80mm the most suitable. If it is larger than 80mm, it is difficult to obtain a sufficient and good protective effect, resulting in pores in the weld, uneven penetration and incomplete penetration. The length of the welded joint is generally unlimited. Single-layer welding is the most commonly used welding method, but multi-layer welding can also be used.

Complete after-sales service, WINCOO ENGINEERING CO., LTD can provide online and offline technical support, not only video guidance, but also on-site guidance, want to know more about high efficiency pipeline construction equipment, horizontal pipeline construction equipment, stainless steel pressure vessel, etc.

  At present, there are six construction methods of large storage tank construction: hydraulic jack, central column, floating, forward loading, mechanical jacking.Hydraulic jacking system is the most widely used one, which is characterized by wide adaptability and can theoretically be applied to any size tank;The operation control is simple, reliable and less threatening.So it is adopted by more and more people.Hydraulic jack is an important part of hydraulic jacking system.

Here is the content list:

• What are the product components of the hydraulic jack?

• What are the characteristics and applications of hydraulic jack?

• What are the construction steps of hydraulic jack?

What are the product components of the hydraulic jack?

One Module include

• 1 set x Power Pump Station: Hydraulic power supply, motor power 4KW, rated flow is about 15l/min.

• 5 sets x jacking cylinder: 25 tons rated (18 tons, 100%) (Including Hydraulic Jacking Device Components — Steel Cables, Support Device, Pull Rod, etc.)

• 5 sets x oil hoses system:One tank construction needs one jacking control system. Each jacking control system includes:

• 1 set x Electrical Controls and operating panels:

Each set includes:

• 1 centralized PLC operation control box,

• 1 power source cabinet(With the concentrated push-button and automatic PLC control system or single-set handle operated control.)

What are the characteristics and applications of hydraulic jack?

• Application

1.The hydraulic jack are mainly used for vertical tank top to bottom construction;

2.Also it can be used for mega work piece jacking or lifting.

• Features

1.The hydraulic jacking system consists of hydraulic pump station, cylinders, steel wire, and strokes. Easy to installation and operation;

2.The hydraulic jacking system utilizes PLC central control to handle lift. Each power pack is equipped with auxiliary balance device to guarantee the precision of simultaneously lifting;

3.Hydraulic jack pump station has subsidiary manual control and central control two operation models. The cylinder can be adjusted to lift separately or to lift with several others as one group, and multi groups can also be integrated to lift reach better precision and better welding effect;

4.All the cylinders are with safety valve. It can be automatically locked to avoid cylinder/ tank dropping even under situation of power off, high-pressure hose broken, burst;

5.The cylinder is with one high pressure hose to avoid oil leaking that usually happen by the traditional multiple hoses. Cylinder will return to initial condition by itself weight;

6.Stroke of Hydraulic cylinder is 1475mm, which can satisfy each annular shell with 2500 plate one-step lift. Greatly reduce the time waste;

7.Hydraulic cylinder basic height is 2050mm, which can match automatic girth welding machine to proceed internal girth seam welding;

8.Module configuration, the hydraulic jack quantity can be adjusted as per different size of tank and weight

9.High efficiency, each time lifting or falling down only needs around 15 minutes;

10.Can well cooperate with our tank welding machines, which can greatly reduce the manpower cost and reduce the construction time; Usually one Horizontal seam welding machine can match 6-10 skilled welder. Vertical seam welding machine can match around 20-30 people skilled welder and butt/fillet welding tractor can match 6-15 skilled welder.

What are the construction steps of hydraulic jack?

The following short description gives the working procedure in outline. It can in certain details be modified when required.

1.The tank bottom – plates are placed on the prepared foundation and welded together.

2.The beams or lattice work of the roof are assembled and finally joined to the upper rim of the shell ring.

3.The hydraulic jacking system is installed in the tank. The plates of the second shell ring (next to the top ring) are positioned outside the first one.

4.The completed part of the tank (roof and top shell ring) is lifted hydraulically to a height at which the plates of the second ring can be moved into place and the roof sheeting can be completed.

5.The plates of the second shell ring are located exactly and welded together to the lower edge of the first ring.

6.The plates of the third shell ring are placed outside the second shell ring.

7.The completed part of the tank (roof the two uppermost shell rings) is lifted.

8.The above cycle of operations is repeated until the last (bottom) shell ring is finished.

9.The entire tank is lowered down to the bottom plate and welded to this.

10.The lifting equipment is dismantled.

Hydraulic jack is mainly used in large tank construction. WINCOO ENGINEERING CO.,LTD is supplying tank hydraulic jack equipment to tank contractors worldwide.

With the progress of society and the development of economy, people's demand for resources is increasing.From cars that need diesel to power plants that need oil.In short, oil, natural gas and other resources have become indispensable in daily life.But conventional rail and cruise transport is slow and uncertain.Gradually, people invented the method of pipeline transportation.

The transportation volume of pipeline transportation is large. Most of the pipeline is buried in the ground, which covers less land and is less constrained by terrain and objects, thus shortening the transportation distance.Sealed transportation, safe and reliable, long-term continuous and stable operation;Easy to manage, easy to realize remote centralized monitoring.

As a result, a large number of pipeline laying work was carried out in various countries, and thus the related companies specializing in pipeline laying work were also derived.We are specialized in providing pipeline construction equipment company.

Pipeline construction process

Surveying and setting out→and cleaning the construction work belt；To construct the construction road→to transport the anticorrosive pipe→to process the groove→to redistribute the pipe→to prepare the pipe mouth；Pipeline fitting-up→pipe fitting-up and welding→welding joint inspection→heat shrinkable sleeve (tape) bushing→trench excavation→pipeline trench→pipe fitting-up;Pipeline welding→welding joint inspection →cleaning and pressure test→pipe trench backfilling→geomorphologic restoration.

Equipment needed in the process:

1. Transport the anticorrosive pipe

 

  

2. Pipeline fitting-up

  

3. Pipe fitting-up and welding

  

4. heat shrinkable sleeve (tape) bushing

  

Anyone with a little mechanical knowledge knows that energy can be transformed into each other. It is best to apply this knowledge to the tank hydraulic jacking system to explain the power loss of the hydraulic system. Next, we will introduce in detail how to maintain the tank hydraulic jacking system.

 

Here is the content list:

l Maintain the tank hydraulic jacking system from the perspective of power source.

l Maintain the tank hydraulic jacking system from a pressure perspective.

l Maintain the tank hydraulic jacking system from the perspective of speed regulation.

 

Maintain the tank hydraulic jacking system from the perspective of power source.

On the one hand, the power of tank hydraulic jacking system will cause energy loss and reduce the overall efficiency of the system. On the other hand, this part of the energy lost will be converted into heat energy, which will increase the temperature of the hydraulic oil and the deterioration of the oil. The tank hydraulic jacking system is malfunctioning. Therefore, when designing a tank hydraulic jacking system, under the premise of meeting the requirements of use, full consideration should be given to reducing the power loss of the system.

 

First of all, considering the power source-pump, considering the diversified working conditions of tank hydraulic jacking system actuators, sometimes the system requires large flow and low pressure; sometimes it requires small flow and high pressure.

 

Therefore, it is appropriate to choose a pressure-limiting variable pump, because the flow rate of this type of pump changes with the change of the system pressure. When the tank hydraulic jacking system pressure decreases, the flow rate is relatively large, which can satisfy the fast stroke of the actuator. When the tank hydraulic jacking system pressure increases, the flow rate decreases accordingly, which can meet the working stroke of the actuator. This can not only meet the working requirements of the actuator, but also make the power consumption more reasonable.

 

Maintain the tank hydraulic jacking system from a pressure perspective.

Second, when hydraulic oil flows through various types of hydraulic valves, there will inevitably be pressure loss and flow loss. This part of the energy loss occupies a large proportion of the total energy loss.

 

Therefore, reasonable selection of hydraulics and adjustment of pressure valve pressure are also an important aspect of reducing power loss. The flow valve is selected according to the flow adjustment range in the tank hydraulic jacking system and its minimum stable flow can meet the requirements of use. The pressure of the pressure valve should be as low as possible when the hydraulic equipment is working normally.

 

Maintain the tank hydraulic jacking system from the perspective of speed regulation.

Third, if the actuator has speed regulation requirements, when selecting a speed regulation loop, it is necessary to meet the speed regulation requirements while minimizing power loss. The speed control circuits of common tank hydraulic jacking system mainly include: throttle speed control circuit, volume speed control circuit, volume throttle speed control circuit.

 

The throttling speed control loop in the tank hydraulic jacking system has large power loss and good low-speed stability. The volumetric speed control circuit has neither overflow loss nor throttling loss, which has high efficiency but poor low-speed stability. If the tank hydraulic jacking system needs to meet both requirements at the same time, a volume throttling speed control circuit composed of a differential pressure variable pump and a throttle valve can be used, and the pressure difference between the two ends of the throttle valve should be as small as possible to reduce pressure loss.

 

In summary, a reasonable choice of hydraulic pressure is crucial. When the hydraulic oil flows in the pipeline, it will exhibit viscosity, and when the viscosity is too high, it will generate greater internal friction, causing the oil to heat up, and at the same time increase the resistance when the oil flows. When the viscosity is too low, it is easy to cause leakage, which will reduce the volumetric efficiency of the tank hydraulic jacking system.

 

Therefore, generally choose oil with suitable viscosity and good viscosity-temperature characteristics. In addition, when the oil flows in the pipeline, there are pressure loss and local pressure loss along the way. Therefore, when designing the tank hydraulic jacking system pipeline, the pipeline should be shortened as much as possible while reducing the number of bends.

 

The above are the recommended maintenance points to avoid the power loss of the oil tank hydraulic jacking system. However, there are many factors that affect the power loss of the tank hydraulic jacking system. Therefore, if specific maintenance is performed on the storage tank hydraulic jacking system, other requirements should be considered comprehensively!

We also have many products about Tank welding machine and Pipe spool fabrication solution, welcome to consult us!

Sep 12, 2017 · Rescue equipment must be available at all times, and maintained and inspected regularly to ensure that it is in good order and ready to be used whenever it may be required. A pre-rigged retrieval system is a good way of ensuring prompt rescue. Footnote [1] These inspections should be completed by a height safety equipment inspector.

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