Coating standard: implementation of relevant codes and standards for protective coating engineering

Core tips: 1 Coating management procedure of protective coating (in order) 1 Coating engineering design 2 Coating engineering design demonstration 3 Application for supervision of painting works 4 Painting project budget 5 Bidding for coating engineering 6 Inspection and approval of non concealed works before coating by the coating company (coating quality of steel structure factory surface treatment and first primer coating, laying quality of waterproof layer at contact side of concrete structure and soil and strength quality of concrete structure), preparation of coating scheme 8 Coating inspection and field coating test 9 Modification of painting scheme 10 Base surface treatment (supervision of major project quality Paint knowledge how about Akzo Nobel Powder Coating Recommended introduction: powder coating is a kind of coating with different form from general coating, which is in powder form It is a new type of coating, because of its own advantages and more and more known by people Let's introduce Akzo Nobel Powder coating Akzo Nobel Powder coating is a cost-effective coating solution, which can be applied to different kinds of products After the treatment of static electricity and fire baking, a tough and durable coating surface will be formed, with the least impact on the environment Since the introduction of this technology, powder coating has been able to continue to maintain the Coating home news: 1 Protective coating management procedure (in order) 1 Coating engineering design 2 Coating engineering design demonstration 3 Coating engineering supervision 4 Coating engineering budget 5 Coating engineering bidding 6 Coating Party's inspection and approval of non concealed works before coating (steel structure factory surface treatment and first primer coating quality, concrete The laying quality of the waterproof layer at the contact side of the structure and soil and the strength quality of the concrete structure), the preparation of the coating scheme 8, the submission of the coating and the on-site coating test 9, the modification of the coating scheme 10, the surface treatment of the base layer (the supervision personnel of the major project quality or the general project quality supervisor intervene in the project), the implementation of the construction log system 11 Steel structure coating coating, concrete structure coating bottom coating 12, steel structure coating intermediate coating 13, steel structure coating, concrete structure coating surface coating 14, final inspection and evaluation of coating engineering quality 15, completion acceptance, delivery and use 2, coating engineering design and design demonstration 1, relevant specifications and regulations (1) Gb50045 code for anticorrosion design outside industrial equipment and pipeline (2) hgj34 code for anticorrosion design outside chemical equipment and pipeline (3) shj22 code for anticorrosion design and construction of equipment and pipeline coating in petrochemical enterprises (4) Hg / t20587 code for anticorrosion design of chemical buildings (5) gbj73 code for design of clean workshop (6) gb50037 code for design of building ground 2 The design demonstration of coating engineering is based on hgj229 code for construction and acceptance of industrial equipment and pipeline anti-corrosion engineering 2.1.1.1 series has " The construction drawing paper industry has been jointly examined " 3 Professional societies, professional associations, colleges and universities, and scientific research institutes of coating engineering construction scheme demonstration accept the requirements of the construction party and participate in the technical demonstration review of coating engineering construction scheme, which can avoid the technical errors that may occur due to the limitations of the coating field for the designers, and it is very necessary to carry out the coating engineering smoothly and reduce the losses III quality standard of base course and inspection on construction site 1 The coating engineering matrix and welding quality of equipment and pipeline can refer to 2.2 "requirements for matrix and welding" in hgj229 code for construction and acceptance of industrial equipment and pipeline anti-corrosion engineering 2 The base strength and performance quality of buildings and structures for the coating engineering of buildings and structures can refer to the following specifications (1) Article 2.1.1 of gb50212 code for construction and acceptance of building anti corrosion engineering: "the base course shall be firm and flat" (2) Article 4.1.3 of gb50046 code for anticorrosion design of industrial buildings "crack control grade, concrete tensile stress limit coefficient 〆 CT and maximum crack width allowable value of concrete structural members" 4.1.4 "concrete strength grade" 4.1.5 "maximum water cement ratio and minimum cement consumption of concrete" 5.1.7.1 "concrete strength grade and thickness of indoor ground cushion, concrete strength grade and thickness of outdoor ground cushion, reinforcement in cushion of outdoor ground and large area ground" 5.1.7.4 "waterproof or damp proof measures under the ground cushion" 5.1.8 "when the protective surface course is set on the precast slab, the thickness of the whole pouring layer of reinforced concrete shall be set" 5.1.9 "drainage slope of ground floor and floor floor under the action of liquid medium" 5.1.14 "anti corrosion skirting board and its height shall be set at the junction of ground, wall and column" 5.1.16 "the distance between the joints of indoor concrete cushion, protective ground and outdoor concrete cushion, protective ground" 5.3 "longitudinal slope and pit slope of trench" 5.3.4 "waterproof measures for underground exhaust ditch and pit" 6.1.2.2 "the tank body at the storage tank and sewage shall be cast-in-place reinforced concrete" 6.1.2.2 "expansion joint is not set for tank body of storage tank and sewage treatment tank" 6.1.4 "concrete strength grade and impermeability grade of storage tank and sewage treatment tank" 6.1.4.2 "allowable maximum crack width of storage tank and sewage treatment tank" 6.1.4.3 "the thickness of the side wall and bottom plate of the storage tank and sewage treatment tank, and the internal surface of the concrete should not be leveled with cement mortar" Clause 6.1.4.4 "minimum diameter of stressed reinforcement and minimum thickness of reinforcement cover for storage tank and sewage treatment tank" 6.1.7 "the underground part of storage tank and sewage treatment tank shall be provided with waterproof layer or anti tank layer on the surface contacting with soil" 6.3.4.1 "concrete strength grade, impermeability grade and water cement ratio of exhaust funnel" 6.3.4.2 "minimum thickness of exhaust pipe wall and minimum thickness of concrete cover of circumferential reinforcement" 6.3.4.3 "allowable maximum crack width of exhaust funnel" 6.3.5.1 "thickness of protective coating on the inner wall of exhaust pipe and that on the inner surface of lined pipe" 6.3.6.2 "protective measures for inner surface of carbon steel inner cylinder of exhaust funnel, and protective coating for outer surface" 6.3.11.1 "protective coating for outdoor ladder, platform and handrail of exhaust funnel" (3) Article 3.0.2 "quality of concrete base course and leveling of concrete base course" in Hg / t20587 code for anticorrosion design of chemical buildings 5.2.10 "coating construction of cement mortar and concrete base" IV base course surface treatment 1 Steel surface treatment: gb8923 rust grades and derusting grades of steel surfaces before painting (1) quality grades of steel surface treatment (2) roughness of steel surface treatment (3) interval between steel surface treatment and the first primer after painting 2 5.2.10 "coating construction of cement mortar and concrete base" in Hg / t20587 code for anticorrosion design of chemical buildings (1) Gb50209 code for construction and acceptance of building ground "moisture content of base course shall be less than 9%" (2) According to gb50212 code for construction and acceptance of building anti corrosion engineering, "the moisture content of base course shall be less than 6%" V coating and engineering acceptance 1 Coating of industrial equipment and pipeline: article 8.1.7 of hgj229 code for construction and acceptance of industrial equipment and pipeline anti-corrosion engineering: "the number and thickness of coating layers shall meet the design requirements, and the negative error ≤ 5% is qualified" 2 Coating of buildings and structures: gb50212 code for construction and acceptance of building anti corrosion engineering 3 Coating of steel structure: article 4.11.4 of gb50205 code for construction and acceptance of steel structure engineering (1) "outdoor coating thickness, indoor coating thickness, allowable negative deviation without design requirements is 25 μ n" 4 Coating of steel structure surface: in article 4.4.3 of sl105-95 specification for corrosion protection of water (power) Engineering (Engineering) metal structure, "the thickness of more than 85% measuring points shall reach the design thickness, and for measuring points that do not reach the design thickness, the minimum thickness shall not be less than 85% of the design thickness (5 measuring points per 10m2)." 5 Coating in oil storage tank: in gb13348 electrostatic safety code for liquid petroleum products 6 and gb15599 lightning safety code for petroleum and petroleum facilities, the surface resistivity of electrostatic conductive coating PR ≤ 109 Ω M (1) Pinhole spark detection of electrostatic conductive coating 7 Coating of clean workshop (1) gbj71 code for design of clean room workshop (2) gbj73 code for design of clean workshop (3) gbj243 coating of clean system 8 Coating of building floor: gb50209 code for construction and acceptance of building floor 9 Control of environmental and technical conditions for coating (1) Environmental temperature (2) environmental humidity (3) conditions for coating and coating (4) testing instrument (6) quality inspection and evaluation of coating engineering (1) "quality inspection and evaluation of industrial equipment and pipeline anti-corrosion engineering" in "provisions on quality inspection and evaluation of Shanghai industrial equipment installation engineering" for industrial equipment and pipeline coating 2 Coating of buildings and structures: gb50224 standard for quality inspection and evaluation of building anti-corrosion engineering 4 Coating of steel structures: gb50205 standard for quality inspection and evaluation of steel structures 5 Testing instruments 7 Quality inspection and evaluation items of coating engineering 1 Guarantee project: technical data irrelevant to construction factors, such as design documents, design changes, material certificates, coating re inspection reports, construction plans and coating processes, technical demonstration of design documents and construction plans, etc 2 Basic items: technical contents related to construction factors specified in the specifications and standards, such as visual inspection of coating appearance quality (such as rust, sagging, missing coating, MIS coating, shrinkage cavity, etc.), spark detection of coating pinhole, detection of coating adhesion strength and interlayer adhesion strength 3 Allowable deviation items: coating times (passes) and coating thickness 8 Coating product quality standard, model, classification and product selection 1 Gb2705 coating product classification, designation and model 2 National standard for coating product performance test (standard number omitted) (1) Coating product performance test: appearance, specific gravity, solid component, viscosity, fineness, etc (2) Coating product construction performance test: viscosity, covering power, coating, leveling, grinding, drying time, etc (3) General performance test of coating products: coating appearance, gloss, hardness, elasticity, impact, adhesion, wear resistance, etc (4) Special performance test of coating products: water resistance, heat resistance, cold resistance, temperature resistance, light resistance, weather resistance, heat and humidity resistance, salt fog resistance, rust resistance, mildew resistance, insulation, chemical corrosion resistance, electrostatic conductivity (resistivity), radiation heat transmittance, etc Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,