In order to ensure the safe daily operation of equipment, the welding construction of pipeline construction equipment must be strictly controlled to reduce the probability of problems. However, the power plant will inevitably encounter some problems during operation, and these problems are often caused by operational defects in the welding construction during the installation of pipeline construction equipment. There are also many factors that lead to operational defects in welding construction, such as inadequate installation technology, overtime or insufficient supervision.
Here is the content list:
l Attention and prevention points in welding construction of pipeline construction equipment.
l Factors that cause problems during pipeline construction equipment construction.
l Dealing with welding quality problems of pipeline construction equipment.
Attention and prevention points in welding construction of pipeline construction equipment.
Inadequate operation during welding of pipeline construction equipment will leave hidden dangers to engineering safety. When conducting inspection and acceptance of metal welds, relevant technicians need to be careful, careful, and concentrate on studying and judging, and feedback and solve problems as soon as possible . The existing places where the safety quality does not meet the standards should be immediately compensated to ensure that the unit can continue to operate safely and maintain the original economic costs.
When performing welding operations on pipeline construction equipment, technicians must take professional welding measures. In addition, they must also control the quality of plumbing counterparts. In particular, the quality of joints and arc closing must be strictly controlled by technicians.
Therefore, the weld must not be welded in one layer, but two or more layers must be welded, and the inter-level joints must be staggered by more than 10 mm. In order to be able to deal with the weld bead oxidation site, the internal argon must be in place when the stainless steel pipe is welded. At the same time, technicians must strictly control the temperature between layers, and use water cooling for welding if necessary.
Factors that cause problems during pipeline construction equipment construction.
At the same time, it is necessary to find out which environmental factors will affect the welding work of pipeline construction equipment, especially some special welding methods and welding materials have certain requirements on the environment. For example, alkaline electrodes should be in an environment without water, rust and oil, while argon arc welding should be in an environment without wind, water, rust and oil.
According to the welding conditions of different pipeline construction equipment, corresponding protective measures should be taken to ensure welding. stable quality. The welding of pipeline construction equipment usually involves the connection between the weldment and the counterpart, and the quality of the connection will directly affect the quality of the welding.
In order to clarify their responsibilities, the technicians of pipeline construction equipment must inspect and accept the corresponding weldments before starting welding. For peers with unqualified quality, welding technicians can choose to refuse welding.
Violations of regulations must be dealt with seriously. In addition, during spot welding, due to the unstable welding equipment, corresponding stresses will be generated under normal conditions and defects are likely to occur. It is the weakest place in the entire welded joint. We must let welders with relevant qualifications perform spot welding operations.
Dealing with welding quality problems of pipeline construction equipment.
There are always problems of this kind during pipeline construction equipment construction, leading to continuous occurrence of welding quality problems. Once there is a quality problem, we can start from these aspects: First, we must investigate and analyze the cause of the problem. In addition to investigating the person directly responsible for the problem, we must also find out the related reasons.
For example, the management of the construction site is not in place or scientific, and the management personnel are negligent. They should not be deceived by the surface phenomenon of the problem, but should be investigated in depth. When penalties are carried out after the investigation, in addition to punishing the relevant responsible persons, it is also necessary to formulate rewards for those who find problems in advance.
The welding acceptance of pipeline construction equipment is the main link in the welding construction process to control the quality. During the inspection, different inspection methods and inspection ratios need to be adopted for different types of welds to meet the welding quality control requirements.
After the inspection, it is necessary to accurately feedback the specific situation with the relevant process at the first time, and find the cause of the welding quality problem in time, and give improvement measures and suggestions to ensure that the welding quality reaches the standard. The inspection work is usually easily restricted by the inspection environment and conditions.
Therefore, testing can only be carried out on finished products. Generally, there are two popular testing methods: destructive testing and non-destructive testing. In actual work, non-destructive testing is usually adopted, which is also the most common one. In non-destructive testing, air tightness testing and non-destructive testing are often used.
Finally, make a summary of the problem and propose rectification measures. The content of the measures must be implemented, and the time, progress, and person responsible for the rectification shall be clarified. Otherwise, the effect of the rectification will be poor. In short, in the pipeline construction equipment construction process, strictly implementing the welding process, controlling the quality of the counterpart, and reasonably requiring the construction period should be the main points of pipeline construction equipment control. At the same time, in the pipeline construction equipment process, set up the welding process witness point and do a good job in process monitoring.
Storage tank jacking system is an important machine for tank construction. The equipment is mainly used for inverted construction of vertical cylindrical steel tank (hydraulic lifting method) in petrochemical industry, inverted construction of steel liner in power plant chimney and inverted construction of vertical cylindrical low temperature tank. I will give you a detailed introduction of the storage tank jacking system.
What are the applications of storage tank jacking system?
What are the features of storage tank jacking system?
What are the types of storage tank jacking system?
1.The hydraulic jacking system are mainly used for vertical tank top to bottom construction.
2.Also it can be used for mega work piece jacking or lifting.
1.The system consists of hydraulic pump station, cylinders, steel wire, and strokes. Easy to installation and operation;
2.The 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 jacking system 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.
At present, we have three types of hydraulic jacking system in WINCOO Engineering Co., LTD. They are the following three: Advanced hydraulic jacking system, Simple unfixing Holding -latch hydraulic Jacking system and Simple chain type hydraulic jacking system.
Storage tank jacking system is mainly used in large tank construction. WINCOO ENGINEERING CO.,LTD is supplying storage tank jacking system to tank contractors worldwide.
The edge milling machine is a kind of welding auxiliary equipment that adopts the high-speed milling of the cutter head. It is specially used for welding the steel plate before welding the steel plate. Edge milling machine is widely used in boiler, pressure vessel manufacturing industry, shipbuilding, electric power, petroleum, chemical machinery, engineering machinery manufacturing. Type groove, etc.
What are the advantages of using edge milling machine?
What are the features of edge milling machine?
How to choose a suitable edge milling machine?
1. Edge milling machine has a unique driving function
2. The edge milling machine has a special device to stabilize the machining accuracy
3. Edge milling machine has special cutting all kinds of metal materials
4. Edge milling machine has advanced cutting tools and long-term supply of different blades.
As a substitute for edge planning machine, edge milling machine has the advantages of high efficiency, high precision and low energy consumption. It is especially suitable for the beveling of various shapes of carbon steel plates. Generally, 5-40mm thickness, 15-50 degrees can be adjusted arbitrarily.
The performance of the self-driven edge milling machine:
1. Unique driving function.
2. The special device stabilizes the machining accuracy.
3. Specially cutting all kinds of metal materials.
4. Advanced cutting tools and long-term supply of different blades.
Compared with traditional edge milling machine:
The guide rail installation form is detachable, and through heat treatment, the bed structure is reasonable, the milling head runs more smoothly and reliably, the feeding system and the return system are completely independent, the return speed is fast, the efficiency is high, and the angle of the milling cutter head is easy to adjust. The custom cutter head is interchangeable with the standard cutter head, which is a replacement product of the traditional edge milling machine.
The selection of the edge milling machine sets and selects the basic parameters according to the characteristics of the plan. The characteristic of edge milling machine structure is that it is designed to process typical parts. It is different from the traditional combined milling and an innovative set of special structures, but edge milling machine can meet the processing needs of users.
The selected edge milling machine should follow the following principles:
Edge milling machine must be able to reliably guarantee the realization of all technical requirements on the part drawing.
The edge milling machine must be able to meet the requirements of the production program.
On the premise of meeting the technical requirements and production program requirements, it requires the lowest process cost, low consumption and energy saving.
Edge milling machine can minimize the labor intensity of workers and ensure production safety. Maintain environmental hygiene.
With a large number of suppliers, we can choose the right suppliers according to customers' requirements and provide the most cost-effective products. WINCOO ENGINEERING CO., LTD provides big pressure vessel, heavy duty pressure vessel, industrial pressure vessel, automatic pipeline construction equipment, electric vertical tank construction solution, etc.
Hydraulic jacking equipment is a new and special lifting equipment powered by hydraulic oil. By pushing the reciprocating movement of the hydraulic cylinder piston, load conversion is carried out between the upper clamping mechanism connected with the upper end of the piston and the lower clamping mechanism connected with the lower part of the cylinder, so as to realize lifting.The hydraulic jacking equipment is a single-acting two-stage hydraulic cylinder, used for vertical take-off and landing work, return need external force or self-weight back.The equipment is compact, stable, easy to operate, adjustable load, fast installation, high synchronization accuracy.Today we are going to focus on the simple hydraulic jacking system.
1, simple operation, adjustable load, stable equipment lifting, good synchronization effect.
2, good compatibility, greatly saving customers' tooling costs.
3, can cross work with the inner ring automatic welding machine.
1,Pump station (YB-40)
|Rated oil flow||40L/min|
|Motor rotate speed||1470r/min|
|Oil tank capacity||240L|
|Oil filter precision||20υm|
|Voltage||Main power supply 220V, 3 phase)|
|System oil type||L-HM46# antiwear hydraulic oil|
|Theory lifting capacity||123KN|
|Rated lift capacity||120KN|
|Rated oil pressure||18MPa|
|Installation size for jack base||Settle 4-M16 on the circumference of a φ120 circle|
|Installation size for up and down chuck||Settle 3 *16U hole on the circumference of a φ110 circle|
|Suitable lifting rod||φ32round steel(45#)|
|Chuck device||Screw mechanism|
3,Jack support (TSJ-120-2600L)
|Lifting rod height:||3900mm|
|Sliding block guide wheel quantity||4 pcs|
|Lifting rod diameter||φ32mm|
|distance between expansion loop support to ground||310mm|
Wincoo Engineering Co., Ltd (WINCOO) is engaged in bringing the most suitable solutions/equipments for client, fabricators, EPC/C companies on pipe fabrication, tank construction, pipeline construction,industrial production lines, clean energy project and other industrial field.
We have ability of providing workable solutions to support clients to be awarded with shorter project execution time, fewer man-hour cost and higher efficiency construction/fabrication method and better quality during phase of project bidding.Based client's facility/site space availability, we are able to study/design and present matched configurations on project schedule, quality, cost and productivity to guarantee production pace is accordance with project requirement.To support project execution, we are always ready to work as fireman to give prompt supply on project materials from different consumables, tools, equipments/machines to special merchandise. With flexibility, we are also glad to perform as procurement agent in China to seek required supply resources.
1. Support you to win the project during bidding phase. We can provide your more suitable configurations to help you shorten the constrcution time.
2. We can provide all technical documents and advices to support you for construction procedure clearifications
3. We can calculate the most suitable number of hydraulic jack according to the weight of the tank
4. We can provide your suitable hydraulic jack accessories with much more competetive price from our long time business partner if you need.
5. We can provide site people training service, and operation service or manpower service or as a subcontractor.
Please click on our website for more information.Thank you!