Cryogenic silo installation equipment acceptance is what should be provided proof of

Cryogenic silo installation equipment acceptance procedures

One, equipment arrival acceptance:

1, equipment arrival acceptance is the purpose of the initial inspection of the equipment equipment according to the ordering contract, technical agreement, and equipment design drawings for manufacturing and supply; manufacturers to provide technical information is complete; whether the relevant accessories are complete; whether there is a significant manufacturing error, or due to damage caused by transportation. Prepare for the next step in the implementation of the installation work.

2, after the arrival of the equipment, the party responsible for the installation of the equipment by the project manager in conjunction with the procurement staff, representatives of the manufacturing plant, the construction unit is responsible for the acceptance of representatives. Including electrical, instrumentation equipment but also electrical instrumentation professional project manager to participate in acceptance. Acceptance mainly includes the following aspects:

(1) according to the ordering contract, technical agreement and factory supply list check the name of the equipment, model, specifications, quantity and random accessories and special tools are consistent.

(2) equipment technical data (as-built drawings, instructions, spare parts catalog), product certification is complete. Is a pressure vessel, or ancillary equipment is a pressure vessel to have a quality certificate, nameplate, pressure vessel product quality supervision and inspection certificate (local technical supervision bureau issued by the club) and other pressure vessels into the relevant documents required. Technical information and supporting documents by the project manager of Party A to do a detailed list of properly stored for the completion of the acceptance and transfer.

3. Check whether there is any damage caused by loading and unloading, transportation and other reasons.

4, the above content inspection by the project manager and factory representatives for handover procedures. Problems in writing, both sides recognize the signature, as a basis for further negotiation.

5, for the opening and acceptance is not easy to store and storage, can be negotiated with the factory representative, such as the installation of a separate opening and acceptance.

6, after acceptance of the equipment by the project manager to deliver the construction side of the installation or storage. Some important small parts can be warehoused for safekeeping.

Two, the acceptance of the equipment before installation:

1, the acceptance of the equipment before installation is aimed at the early discovery of defects in the quality of equipment manufacturing, equipment manufacturing and process design, civil infrastructure design and other conflicting issues, early remedies and design changes for the installation of the equipment in place, assembly of components, piping and other work in order to get ready.

2, the acceptance of the equipment before the installation of the construction side of the technical staff for the production, together with the project manager and supervisors tripartite **** with the implementation. Mainly the following aspects:

(1) against the as-built drawings and quality certificates and other information to check the equipment body and the main components are consistent with the design.

(2) check whether there are paired flanges, blind plates, ground bolts, mats, their number and size specifications are consistent with the design.

(3) Check the specification, orientation, and quantity of the receiver, and check the specification, type and quantity of spare parts and accessories.

(4) Check the equipment body and its receiver, flange sealing surface for damage, weld quality is in line with the requirements of the relevant technical standards.

(5) Whether the internal parts and components of the installed equipment are complete, with or without debris, and cleaned.

(6) Check whether there is any conflicting problem with the orientation of the pipe opening and the size of the ground bolt connection against the civil foundation design and process design.

2.7, running machinery mainly check the equipment body and its parts and components have no obvious manufacturing defects, no damage to the important surface, finish and other precision requirements are in line with technical requirements, the relevant electrical, instrumentation equipment and random accessories, special tools are complete, etc.

Third, the quality of the equipment installation process supervision and acceptance of the quality of the equipment

1, through the equipment in the field of the seat Assembly, welding, and related equipment, pipeline connection process can fully reflect the equipment from the design, manufacturing, transportation and other aspects of the problem. And the installation process itself, the procedures, methods, the quality of the installation personnel, tools and other aspects directly affect the installation quality of the equipment, directly affecting the future performance of the equipment, life and stability of operation.

2, equipment installation quality control mainly by the construction side of the project manager, project manager and supervision of the three parties **** with responsibility. Installation process from the foundation acceptance, in place to find the right process until the installation of equipment closed, each link should be three **** with the acceptance and acceptance of the results of the document signed on the record, according to a single piece of equipment to the acceptance of the document into a book, as the completion of the acceptance of the information archives.

3, the quality of the equipment installation process acceptance of the following requirements:

(1) equipment installation, by the construction side according to the national and local current equipment installation and acceptance of the relevant standards, norms, and the equipment drawings, technical description of the document, etc. Prepare a detailed construction program, reported to the supervisor and the project manager of the Party A review before the installation of the construction. The content of the construction plan should include the organizational structure of the construction team, the technical qualification of the construction personnel, the construction process of each link of the detailed construction technology, acceptance of quantitative standards, the use of tools, construction schedule, safety measures, construction materials (such as grout, welding materials, etc.), as well as special conditions under the technical safeguards (eg, low-temperature weather), and so on.

(2) for large, precise, important equipment lifting to have scientific and reasonable lifting program. Strictly account for the strength of the lifting point, rigging, lugs. Weak parts of the equipment (such as the outer insulation of the equipment, take over, etc.) shall not be tied rigging. Important precision parts (such as sealing surface) should have the necessary protective measures. Pressure vessels shall not be temporarily welded lugs on the equipment body. Precision equipment or parts to use flexible sling, and placed on the ground to lay rubber protection.

(3) equipment in place after the installation of pad iron should be in line with the specification requirements, the number of layers is not more than 4, the foundation contact surface should be polished and leveled, find the level, the contact surface is not less than 50%, the pad iron position should be uniform and as close as possible to the ground bolt. The mat iron should be fixed by spot welding after the equipment is leveled. The foundation of the equipment should have been accepted before installation. Sliding support must ensure smooth sliding without foreign body obstruction, its foot bolt should not be tightened.

(4) the main body of the equipment installation to find the right according to the technical requirements of the specific equipment acceptance. Vertical high equipment according to the vertical requirements of acceptance, horizontal equipment according to the level of acceptance. Running machinery and equipment to find the right acceptance not only to accept the final finding results, but also to supervise its finding process, measurement benchmarks and construction methods are scientific and reasonable. Compressor body of the installation of the compressor is the basis of the whole installation process of quality assurance, the requirement must be on the crankcase of the support tile seat hole coaxiality with wire drawing method for correction.

(5) the whole factory overall installation of equipment should be confirmed in detail its factory supply conditions. Some important critical equipment factory by the pressure test, and inspection documents, but Party A that it is necessary to install the site before the pressure test, the site assembly of the equipment and its components in the heat exchanger should be first pressure test, and then assembled.

(6) The equipment assembled and welded on-site, each component should be accepted according to the technical requirements of assembly after installation, and the internal sealing structure of the relevant components should be accepted separately.

(7) equipment lining masonry, filling strictly review the qualifications of the construction unit, construction technology, inspection of material quality. Masonry, irrigation after the oven to have a rigorous technical program, and supervise the implementation. All aspects of lining construction should be carried out independent quality acceptance.

(8) equipment filler assembly and catalyst filling should have a construction program, supervise the implementation of the process of assembly according to the size, specifications, the number of requirements of the segmented assembly and filling, whether it is due to skimming and pounding. Each project acceptance before the final closure of the equipment. Before the equipment is closed, the inside of the equipment should be inspected and cleaned. Each pipe port should be sealed and protected before piping to prevent debris from entering.

(9) after the end of equipment installation, according to the requirements of the overall coloring scheme of the plant for the external corrosion of the equipment, the equipment with external insulation of the external insulation surface should meet the requirements of rain and snow.

Four, test acceptance:

1, the end of equipment installation is to enter the test acceptance stage. Trial acceptance process is the equipment manufacturing, installation of all aspects of the quality of a comprehensive, final acceptance. Trial acceptance should be combined with the entire device of the original drive process, according to the original drive program requirements. By the party project manager, construction project manager, equipment manufacturer's representative, test drive personnel and supervision *** with the participation of verification.

2, the acceptance of stationary equipment is mainly gas tightness test. In the original driving program requirements of the pressure, with soapy water brush equipment all visible flange connection parts and visible welds, do not allow leakage. After normal production for a certain period of time to prove that there is no abnormality is qualified.

3, test acceptance mainly for running equipment. Running equipment should be run according to the original driving program in the running equipment single test program procedures. Mainly include the following:

(1) the host motor and auxiliary motors of the single test car. Mainly test the operation of the electrical part of the equipment. Running time should be more than 1 hour, during which the measurement of current, temperature rise, loudness, vibration is normal. Test whether its control system is normal through the opening and stopping process.

(2) Test the measurement accuracy of each measuring instrument during the whole commissioning process, and the reliability of the alarm and fault protection system operation.

(3) no-load test of the host must be in the electrical instrumentation part of the test is normal, the lubrication system is running normally, the cooling system is put into use. Before starting the car must be disk, distribution room to have an electrician to monitor. No-load test is mainly to test the assembly quality of the moving parts of the equipment, while achieving the purpose of mechanical break-in. No-load running time according to the requirements of the single test program. During the running period, the main test equipment vibration, sound, current, temperature and other parts of the situation.

(4) fans, compressors, but also air load test. Compressor air load test must be in its ancillary equipment, pipeline after blowing. Air test mainly to check whether the performance indicators of the equipment meet the design requirements. Specifically according to the manual in the air load test acceptance of performance parameters.

(5) pump equipment must be combined with the system cleaning or feeding trial, not in the absence of liquid dry running, so as not to burn sealing parts.

(6) feeding trial stage, running equipment in normal production of media, pressure, temperature conditions with load running, can be comprehensive test of its electrical, instrumentation, mechanical, ancillary piping working conditions, while checking its actual operating parameters and design parameters are consistent.

(7) of the ordering contract has a warranty period set for the equipment, according to the warranty terms. This acceptance as the final acceptance.