Delamination and other shortcomings, the protective layer has a variety of methods (the following dilution loose ethylene and FRP protective layer) can be blocked? The joint shall be guaranteed to be conformable, tight and waterproof. First of all, the directly buried insulation pipe should be tested to take a look at the surface quality of the tube. if it is found that obvious depressions or some obvious damage should be improved in time, the manufacturer of prefabricated directly buried insulation pipe said: it is necessary to pay attention to some details in the acceptance work. The detection of directly buried insulation pipe involves many aspects, and it is recommended that before acceptance of directly buried insulation pipe. The connection and sealing of the outer casing of the joint with the supervisor and the foaming work of the on-site joint, but does not include the welding of the steel pipe of the joint. The main results are as follows: (1) the sleeve joint is made of the same material and density as the prefabricated thermal insulation pipe casing. The installation of the outer sleeve of the polyethylene joint and the main pipe shall be carried out by heat shrinkage belt.
The specific situation of each province of ● is different. But in general, there are rules to inquire about: first, energy-saving acceptance includes wall insulation, doors and windows, roof step-by-step project; second, prepare the following materials step by step: material qualification certificate, quality assurance, a full set of inspection reports for all materials (to the National Building Materials Center, etc.), reexamination report, record 3, hidden inspection report, inspection approval 4, according to GB50411 external insulation system construction acceptance 5, self-inspection report format varies to If the local quality supervision station does not have a unified requirement, it can only be compiled by itself, and then Party A, the supervisor and the construction unit have to sign the basic process and documents like this
Dong Bigang is a safety supervisor of the 500 kV transmission and transformation project (Shanxi Section package 2) of the Shanxi Jinjie Fugu Power Plant built by the East China Power Transmission and Transformation Company. his daily work is responsible for safety supervision at the construction site. As most of the routes of the project are high mountains and mountains, the road is difficult to walk, and the work point is far away from the project department, so he leaves at dawn every day to ensure that he arrives at the work point before the workers are in place, leaving no dead corner in safety supervision. Early in the morning, busy morning, but often at noon it is difficult to eat a hot meal, because the insulation bucket insulation time is limited, the food brought out in the morning is basically cold.
In order to ensure the safe use of the fixed bracket and the safety of the whole pipe network. The nominal diameter is the nominal diameter specified in the standard. An overview of foamed anticorrosive pipes since the birth of decomposition data in the 1930s. For on-site installation, please follow the following procedures: pipe trench excavation-base treatment (drainage, sand cushion)-lower pipe-steel pipe welding-inspection (water pressure)-installation (pressure test)-foaming-sealing foam cell. Joint installation? The company can send personnel to the project site to carry out the heat preservation work of the joint, including the installation of the joint outer casing, the connection and sealing between the joint outer casing and the supervisor, as well as the foaming work of the on-site joint,
For on-site installation, please follow the following procedures: pipe trench excavation to base treatment (drainage, sand cushion) to lower pipe to steel pipe welding to inspection (water pressure) to installation (pressure test) to foaming to sealing foam hole. Elbow, personnel can go to the project site to carry out joint heat preservation work. It includes the installation of the joint outer casing, the connection and sealing of the joint outer casing with the supervisor and the foaming work of the on-site joint, but does not include the welding of the steel pipe of the joint part.
Furthermore, these helmets come with a detachable visor that helps shield your eyes from direct sunlight, rain, or debris. The visors are adjustable, allowing you to find the perfect angle to optimize visibility without compromising safety. Whether you are cycling through dense forests or open trails, the visor provides an extra layer of protection for your face while allowing you to maintain a clear line of sight.
4. The thermal insulation layer and anti-corrosion coating should avoid direct contact with flame. For on-site installation, please follow the following procedures: pipe trench excavation-base treatment (drainage, sand cushion)-lower pipe-steel pipe welding-inspection (water pressure)-installation (pressure test)-foaming-sealing foam cell. Elbow and joint installation can send personnel to the project site to carry out the heat preservation work of the joint, including the installation of the outer casing of the joint, the connection and sealing of the outer casing of the joint with the supervisor, and the foaming work of the on-site joint, but it does not include the welding of the steel pipe of the joint. Construction attention Editing
Among the oil and gas projects with the highest proportion downstream of aerogel in China, aerogel is mainly used as external thermal insulation material for energy infrastructure and thermal insulation material for natural gas pipelines, which can save space, improve construction efficiency by about 30%, and save energy and maintenance costs. Under the background of the rapid development of domestic refining and chemical industry, the market demand of aerogel will usher in the growth space. In the aspect of transportation, because the aerogel is lighter and has good flame retardant performance, it can effectively solve the problem of battery thermal runaway. According to the 2022 Aerogel Industry Research report of the National New Materials Industry Development Strategy Advisory Committee, the use of aerogel flame retardant materials in the battery core module of new energy vehicles can improve the high temperature resistance of the battery package to more than 800℃. With the rapid development of new energy vehicle market, the demand for aerogel is expected to continue to increase. In addition, aerogels also have broad market prospects in building materials, clothing and other aspects.
Scientific and technological innovation-Lanchuang thermal insulation: the company mainly produces valve insulation sleeve, detachable insulation sleeve, tank insulation sleeve, iron insulation construction project. The company adheres to the concept of quality and customer first, product excellence and perfect service for every customer. According to the requirements of the provincial fixed pollution source VOCs supervision system, comprehensively carry out emission investigation, establish industrial enterprise VOCs emission registration system, establish and improve the municipal VOCs key supervision enterprise list. Leak detection and repair (LDAR) has been fully implemented in the petroleum refining and chemical industries. Strengthen the inspection of the oil and gas recovery work of gas stations, oil depots and oil tankers, and all counties and districts comprehensively carry out a supervisory monitoring work for all gas stations and oil depots within their jurisdiction, so as to achieve the full replacement of supervisory monitoring.
Thermal insulation materials are used for all kinds of cold water, cold air, cold oil pipeline round, special-shaped and any shape of pipe heat preservation. Prevent condensation: polyethylene foam pipe material is a closed-cell structure, which is adiabatic by the gas insulation in the closed cell rather than polyethylene material. It has excellent resistance to water vapor penetration. Therefore, it is necessary to introduce supervisors for pipeline construction projects and anti-corrosion overhaul projects, and supervision, like the roles of design, construction and overhaul, should have the ability to grasp professional anti-corrosion standards. All aspects of pipeline engineering should pay enough attention to anticorrosion, a seemingly unimportant covert project. Features of centrifugal glass wool products: ◆ inner steel pipe adopts silicone high temperature resistant paint (≥ 400℃) anticorrosive coating to effectively prevent working steel pipe from corrosion and prolong service life.