pipeline construction equipment welding construction- Suppliers Manufacturers Factory From China

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.

What is more? WINCOO provide customers with not only various pipeline construction solutions, but also a full range of pipe spool fabrication solutions.

Wincoo Engineering Co., Ltd (WINCOO) is committed to providing customers, manufacturers, EPC/C companies with the most suitable pipeline construction equipment solutions, involving pipeline manufacturing, storage tank construction, pipeline construction, industrial production lines, clean energy projects and Other industrial fields.

 

Here is the content list:

l What are the advantages of the working principle of pipeline construction equipment?

l What are the advantages of the basic structure of pipeline construction equipment?

l What are the advantages of pipeline construction equipment construction technology?

 

What are the advantages of the working principle of pipeline construction equipment?

Pipeline construction equipment adopts pipeline fixation, and the welding car travels to various positions to automatically perform pipeline welding. The welding process is efficient and low in cost.

 

The pipeline construction equipment includes the all-position automatic welding machine, which is composed of a welding control system, a welding trolley with a welding gun, a welding power source, a wire feeding device and accessories. The following specifically introduces the product parameters of pipeline construction equipment:

 

Applicable tube greater	than 130mm
Tube wall thickness	4-50 mm
Suitable for	CS, SS, AS, low temperature steel (SS with special guide rail)
Suitable seam welded	pipe to pipe, pipe to elbow, pipe to flange
Drive system	Stepper motor wheel and gear/worm drive
Drive system	Buttons for increasing and decreasing speed
Adjustment method	Circuit control
Oscillation system	Our company's proprietary technology product,/rotary stepping motor
Control system	The company's proprietary technology product, digital tube

 

 

What are the advantages of the basic structure of pipeline construction equipment?

The pipeline construction equipment mainly consists of pipe fittings, valves, measuring instruments, supports and hangers, etc., which are connected with the gathering and transportation pipelines through production equipment to form the entire gathering and transportation system to complete the transportation of oilfield production media.

 

There are many types of pipe fittings used in pipeline construction equipment, mainly low-alloy steel, low-carbon steel, etc. According to the different pressures of gathering and transportation pipelines, they are divided into low-pressure, medium-pressure, and high-pressure pipelines. When selecting the material of the pipeline construction equipment, it must meet the design requirements, and no heavy skin shrinkage should occur. At the same time, the threads and grooves of the pipe fittings must meet the requirements of use during processing.

 

What are the advantages of pipeline construction equipment construction technology?

Under normal circumstances, groundwater or various sulfides will have a certain corrosive effect on pipeline construction equipment during operation. Therefore, to ensure the safety of pipeline construction equipment, it is necessary to strictly control the materials of gathering pipeline equipment. Corresponding anti-corrosion measures shall be taken in pipeline construction equipment according to the actual situation.

 

After our actual investigation of the ground and site soil conditions, we have correctly inferred the corrosivity, and formulated scientific and reasonable anti-corrosion measures based on the analysis results, and used the correct anti-corrosion technology. At present, the anti-corrosion material often used in pipeline construction equipment is asphalt. The application of asphalt in pipeline construction equipment anti-corrosion has the characteristics of low cost, good effect and large application area.

 

WINCOO has the ability to provide feasible pipeline construction equipment solutions to support customers in obtaining shorter project execution time, less man-hour costs, more efficient construction/manufacturing methods and higher quality in the project bidding phase.

 

According to the customer's facility/site space availability, we can research and provide matching configurations in terms of project schedule, quality, cost and productivity to ensure that the production schedule meets the project requirements. To support project execution, WINCOO is ready to work as a firefighter to quickly provide project materials from various consumables, tools, equipment/machines to special commodities. With flexibility, we are also very happy to act as a procurement agent for pipeline construction equipment in China to find the required supply resources.

 

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

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

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

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

Step 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.

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

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

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

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

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

Step 10. The lifting equipment is dismantled.

The tank construction process needs two kinds of equipment, respectively is the welding machine and the hydraulic jacking system, the welding machine is divided into the horizontal welding machine and the vertical welding machine;the hydraulic jacking system is also divided into senior hydraulic jacking system and simple hydraulic jacking system.(If your tank is bottom to top,you don’t need the hydraulic jacking system.)

  

In actual operation, in order to ensure that the installation quality of pipeline construction equipment meets the construction requirements, targeted solutions must be taken according to the problem and its cause. The following will explain the installation of pipeline construction equipment before, during and after installation.

 

Here is the content list:

l Regarding the control of pipeline construction equipment before construction.

l Regarding the control of pipeline construction equipment during construction.

l Regarding the control of pipeline construction equipment after construction.

 

Regarding the control of pipeline construction equipment before construction.

Before construction, in order to ensure that the material of the pipeline construction equipment used meets the industrial requirements, strict inspections need to be repeated, including repeated verification and review of the construction drawings, and careful inspection of the pipeline processing drawings to ensure that the pipelines in the drawings The processing regulations and calculated data meet actual requirements.

 

In addition, it is necessary to check whether the pipeline construction equipment required for installation has a quality certificate and whether the specifications and models of the pipeline correspond to the certificate, and whether it meets the corresponding installation requirements of the pipeline construction equipment.

 

Before construction, check the pipeline construction equipment for damage and other quality defects that affect the construction. In order to get a more accurate understanding of the pipe material, professional quality inspection instruments can be used. For example, high-pressure pipelines can be detected by the monitoring method of magnetic flaw detection. Ensure that the material of pipeline construction equipment meets industrial production requirements.

 

In terms of capital investment in the installation of pipeline construction equipment, manpower, materials, and instruments and tools used are the main capital consumption objects. Manufacturers need to have a detailed grasp of the use of funds to reduce costs as much as possible without affecting the quality of the project. When selecting manpower, low-skilled workers should be employed for jobs with low technical requirements. When selecting materials, pipeline construction equipment is often selected for comparison. Before construction, it is also necessary to conduct professional skills training for construction personnel to enhance their work skills.

 

Regarding the control of pipeline construction equipment during construction.

During the installation process, when the pipe is cut according to the drawings, it is necessary to use the corresponding operating tools and methods to cut according to the construction requirements and the pipe material to avoid damage to the pipe. When connecting pipes, the main construction methods are hot bending and cold bending.

 

Hot bending is performed in the pipeline construction equipment installation process after heating treatment, specialized functional personnel make it deform according to the construction requirements; cold bending is carried out at room temperature, the pipeline construction equipment deforms according to the construction requirements. Since heating will cause mechanical deformation of the pipeline, cold bending processing methods are mostly used in the construction process. In hot bending, different heating fuels, heating pipeline construction equipment, and heating techniques must be used according to different pipeline materials and construction requirements, and the heating temperature must be strictly controlled.

 

The hot-bent pipes must be maintained after installation to ensure their quality and durability. When welding, due to the different materials of the pipeline and the different connection methods of the pipeline during the laying process, the welding tools and techniques selected will be different. The welding technology requires high requirements, and the construction personnel need to have good experience and technology to make the pipeline can be Therefore, experienced technicians should be selected for the welding process during the installation of pipeline construction equipment, and professional equipment should be used for testing after the welding is completed to see if seamless welding has been achieved to meet the engineering requirements.

 

Regarding the control of pipeline construction equipment after construction.

After the completion of the pipeline construction equipment, quality inspection and maintenance of the pipeline are required. When performing quality inspections, professional monitoring equipment is generally used, such as radiographic inspection, which can achieve non-destructive inspection. When the test is in progress, a unified test standard shall be adopted in compliance with the relevant technical standards, with special attention to whether the units used are unified.

 

After the pipeline construction equipment is installed, in order to better ensure the quality of the pipeline, it needs to be treated with anti-corrosion treatment. Generally, paint is applied to isolate the pipeline and the air in the water and oxygen from chemical reaction and rust. Extend the service life of the pipeline, and also improve the safety of operations for those who perform production operations.

 

Pipeline construction equipment is widely used in industrial production and has strict quality requirements. Due to the different pipeline construction equipment used in different industrial production environments, it is easy to have some problems during the installation process, which will affect the quality of the installation project. To ensure pipeline construction the installation quality of equipment meets the requirements of industrial production, and the installation process needs to be carried out in strict accordance with the construction requirements.

The installation of pipeline construction equipment is one of the necessary steps in the industrial field, and the installation and construction of pipelines is a very important stage in project construction. Next, take an example to analyze the operating requirements of pipeline construction equipment.

 

Here is the content list:

l Introduction of welding engineering vehicles in pipeline construction equipment.

l Introduction of pipelayer in pipeline construction equipment.

l How to maintain pipeline construction equipment after construction?

 

Introduction of welding engineering vehicles in pipeline construction equipment.

Mainly introduce the operating requirements of pipe layers, welding engineering vehicles, counter pointers and directional drills that are frequently used and risky during the construction of pipeline construction equipment

 

l Main structure of welding engineering vehicle

Engine part, chassis running part, transfer case and universal joint shaft, generator, hydraulic boom crane, electrical control cabinet, lubrication system and cooling system.

 

l Operational safety requirements for welding engineering vehicles

Driving with a license, before entering the work of pipeline construction equipment, you should fully understand the special conditions of the work site, understand the various conditions that affect operation and sports, and adopt and formulate operation and protection measures that comply with safety regulations.

1. Keep a safe distance from hanging objects, walls, falling objects and unstable ground.

2. lt is necessary to understand the changes, visibility and weather conditions of the construction area of pipeline construction equipment. No smoking!

3. Contact relevant departments in time to learn more about the locations of public pipelines, underground cables, and water pipelines.

4. When the welder is working, put the throttle to the highest position and check that the various instrument indexes are normal before it can work.

5. Keep an adequate safety distance from wires and other pipeline construction equipment.

6. Avoid any work movement that can tilt or tip the welding truck; prevent the welding truck from working or moving on a slope that does not meet the requirements.

7. When pipeline construction equipment goes downhill, low speed must be used to prevent loss of control.

8. Electricity should follow the corresponding electrical regulations.

9. Welding vehicles are not allowed to work with faults. If there is no oil pressure, or the oil pressure is too low, the water temperature is too high, or there is abnormal noise, it should be stopped immediately for inspection and troubleshooting

10. The lifting weight of the hydraulic crane must comply with the requirements specified in the chart of the rated lifting weight curve of the hydraulic crane

11. It is not allowed to adjust the opening pressure of the safety valve of the hydraulic system at will

12. Driving is not allowed for 2 consecutive hours

13. Before using power generation pipeline construction equipment, observe the hydraulic crane and the surrounding environment, whether there are debris and tools on the crawler

14. When leaving the machine, the operating lever should be locked first!

 

Introduction of pipelayer in pipeline construction equipment.

l Main structure

Engine, crawler walking part, hoisting system, cab, counterweight, etc.

 

l Operational safety requirements

1. Before the pipe layer runs, the passageway must be cleared to facilitate traffic.

2. When the pipe layer hoisting heavy objects, it is strictly forbidden to pass above the equipment and personnel, and it is strictly prohibited to stand under the boom.

3. Stop immediately in case of emergency during work operation.

4. The command of the ground commander shall be serious and accurate, and shall not leave the work post without authorization.

5. When hoisting pipes while driving, pay attention to the side of the boom and the side of the counterweight to prevent the counterweight from reaching out and hitting obstacles.

6. When loading and unloading heavy objects, the speed should be even and stable, and should be handled gently when approaching the ground.

7. The center of the hook should be as close as possible to the center of the heavy object. The hoisting rope must be firm and reliable with sufficient bearing capacity, and the binding must be firm. Keep heavy objects as low as possible.

8. Heavy objects are not allowed to turn before leaving the ground. It is forbidden to pull heavy objects from the ground to pull up trees and lift objects buried in the ground (except when multiple pipe layers are laying pipes).

9. When walking with heavy objects hanging, the speed of forward and backward or turning should be stable.

 

How to maintain pipeline construction equipment after construction?

The maintenance of pipeline construction equipment ensures that its technical parameters within the specified life cycle meet the original design requirements; ensure that its safety performance meets the requirements of regulations and standards.

 

Daily maintenance work such as cleaning, inspection, lubrication, tightening and adjustment to prevent deterioration of pipeline construction equipment and maintain equipment performance; necessary inspections to determine the degree of pipeline construction equipment deterioration or performance degradation; to repair deterioration and restore pipeline Repair activities based on the performance of pipeline construction equipment. Requirements for operators of professional pipeline construction equipment: “Three Goods” and “Four Meetings” should be achieved.

 

Good management, good use, good maintenance, can operate, maintain, inspect, and simply repair Equipment maintenance: cross operation method. Cleaning, lubrication, tightening, adjustment, and anti-corrosion pipeline construction equipment maintenance: general requirements for "five fixed" fixed-point, fixed-point, fixed-time, fixed-quality, and quantitative maintenance

①　Strictly follow the procedures, cycles and methods specified in the pipeline construction equipment manual.

②　Different functional blocks have different requirements: power system, transmission system, electrical system, hydraulic system, lubrication system, etc.

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

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