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This Installation OF Refrigeration Equipment Can Comply With Countries Latest Requirements

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release date: 2017-04-12 source; author;
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Refrigeration equipment foundation shall be made according to the requirements of design documents, and shall comply with the current national standard "mechanical equipment installation engineering construction and acceptance of the general specification of the relevant provisions of GB 50231.  Piston and screw refrigeration compressor (unit) installed in addition to the standard should be consistent with existing national "fan, compressor, pump installation engineering construction and acceptance standard" GB 50275 the relevant regulations of the outside still shall meet the following requirements:1 For the compressor which has been tested by factory, using the protective measures such as rust sealed and intact before installing protection measures can be installed directly, or compressor protection failure group (machine) has obvious defects should be checked to the confirmation of its equipment manufacturers ex-factory standards then can be installed;2 Refrigeration compressor (unit) should check before in place,its foundation and anchor bolt hole position, should meet the requirements of the design documents bearing; should be in accordance with the requirements of design and equipment technical file connection installed on the foundation, support and hanger for the design and equipment technical document no requirement should not be used when welding;3 The installation should meet the requirements of the equipment technical documents when you need to adjust at ordinary times, should use shim; 4 Refrigeration compressor (unit) the installation process should be kept smooth the body, should not exceed equipment technical files limit Angle, banned the horse.

Refrigeration compressor manufacturers (unit) in order to ensure the compressor in the factory after and before using Ann internal corrosion, not into the impurities, multi-purpose do seal with inert gas, so as long as the seal in good condition, no obvious defect can be installed directly. For small and light weight of refrigeration compressor (unit), in the process of installation manual handling, because more than limit Angle or the horse may lead to internal unrecoverable damage, so you need to standardize handling.

 

Refrigeration system of the intercooler, gas-liquid separator, oil separator, receiver, low pressure circulation accumulator, oil trap, air cooler, condenser, refrigeration auxiliary equipment installed in addition to the standard should be consistent with existing national "fan, compressor, pump installation engineering ShiShi and acceptance standard" GB 50275 the relevant regulations of the outside still shall meet the following requirements:

1 For such as sealing and protection measures in good condition has clean and adopt rust protection measures before installation of auxiliary equipment can be installed directly, protection failure or refrigeration auxiliary equipment have clear defect should be monomer and air tightness test. Blow the dirt available 0.8 MPa pressure (table), dry compressed air which number should not be less than 3 times, until no sewage discharge. Air tightness test pressure shall be in accordance with the provisions of the design documents or equipment technical documents;

2 Before refrigeration auxiliary equipment in place should check its foundation and anchor bolt hole position, should meet the requirements of the design documents bearing; Should be in accordance with the requirements of design and equipment technical file connection installed on the foundation, support and hanger for the design and equipment technical document no requirement should not be used when welding;

3 Installation should meet the requirements of the equipment technical files installed on the equipment are in need of at ordinary times, on the basis of the equipment should be used at low temperature shim, cryogenic equipment support production should meet the requirements of the design documents or equipment technical files using stow-wood, stow-wood must be embalmed; The hanger installation equipment, hanger of the derrick should have vertical adjustment function, should be able to lock the screw fixation end;

4 with empties or horizontal drain at the mouth of the equipment installation, should be 0.2% or equipment technical documentation requirements to wrapped or oil drain port side slope slope;

5 The production of pressure vessels belongs to the equipment banned the production of pressure vessels;

6 Belong to pressure vessel equipment installation, modification and maintenance should be consistent with current industry standards "pressure vessel safety technology and supervision code" fixed type TSG R0004 relevant provisions

7Evaporative condenser, air cooler and other equipment should be in the water dish with water leaking test qualified after the installation, should not damage the original scene bare insulation, anti-corrosion layer;

8 Evaporative condenser, cooling fan with a cloth, such as water, water equipment installation precision of the plate should guarantee the uniform water distribution, drainage fluid.

Mat wood preservative treatment goal is to prevent mat wood under the effect of pressure, in low temperature, high humidity, frozen environment external surface and internal decay, craze. "Cradle of the derrick should have a vertical adjustment function" is the purpose of can adjust equipment installation height, levelness and the stress of the lifting point. "The screw fixed end should be able to lock" the purpose is to prevent vibration causes such as for fixed equipment and derrick nut loose.

Combination device and requires the installation of the combination of the assembly at the scene, should comply with the clause 6.2.3 norms.

Combination refers to many sets of equipment installed on the common base of support or for the internal pipes, valves, filters, control components and instrumentation and so on all or part of the installed inside the factory, such as horizontal barrel pump combination device is commonly used in refrigeration system. 6.2.5 of combination device inside the refrigerant pump installation shall comply with the current national standard "fan, compressor, pump installation engineering ShiShi and code for acceptance of the relevant provisions of GB 50275.

Four heavy tubular air separators shall be installed horizontally, the ammonia liquid inlet side should be higher than the other end, slope should be controlled in 2%.

Cold type pipe production and installation shall conform to the requirements of design documents and the following provisions:

1 Manufacture should conform to this specification article 6.4.1 ~ the provisions of clause 6.4.3;

2 Bend, sealing the top pipe should be the final product of the factory; 3 header on the open hole machining technology should be adopted, and banned use gas cutting process;

4 The exhaust pipe’s outer surface made of carbon steel and low alloy steel tube cold shall be in accordance with the design documents to anti-corrosion, no specific requirements, design documents available in its outer surface besmear brushs antirust paint two, coating should be complete, without flowing, defects such as wrinkles, bubble;

5 Cold exhaust pipe should be the first 6.5.1 according to this specification, tactical fix packs for 6.5.2, 6.5.5 of scavenging and exhaust pollution, according to this article 6.6.3 ~ article 6.6.10 norms for pressure test, leakage test and vacuum test.

6 It wasmade with cold type and installation of the deviation should be allowed to meet the provisions of the table 6.2.7.

Cold exhaust pipe is the assembly at the scene, so the heat exchange equipment, paragraph 1, 5 just lead with refrigeration pipeline construction, the relevant provisions of the cold does not mean that the exhaust pipe is cooling pipe.

Refrigeration compressor (units) and auxiliary equipment operation and maintenance platform and ladder shall be in accordance with the requirements of design and equipment technical documents the way of production and installation, design requirement and equipment technical documents, the refrigeration compressor (unit) should not be used and auxiliary equipment, banned direct welding on refrigeration compressor (units) and auxiliary equipment.

 

 

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