steam boiler and its accessories

Six months from Hainan Sinochem Pharmaceuticals boiler equipment normally used in odd years, the equipment in good condition, our technical staff has repeatedly went to inspect the guidance. In the process of Hainan with the pharmaceutical companies, the other either for my company's product or service we are very satisfied with our company's reputation and expressed trust. --customer feedback

Select mild steel, gas-fired materials: manual arc welding. The average tensile strength of ordinary low-carbon steel Q235 417.5MPa. According to the principle of equal strength, should E43 series matching electrode. Several different selected electrodes SMAW steels shown in Table 1. Table 1 dynamic load-type electrode low carbon steel, slab structure complicated, manual arc welding boiler and pressure vessel of choice for soldering electrode type Q235 {+ * /} E4313, E4303, E4301, E4320, E4311 {+ * / } E4316, E4315 (E5016, E5015) is generally not preheated Q255 {+ * /} is generally not preheated Q275 {+ * /} E4316, E4315E5016, E5015 {+ * /} structural slab preheating temperature higher than 150 ℃ C {+ * /} 08,10,15,20 {+ * /} E4303, E4301, E4320, E4311 {+ * /} E4316, E4315 (E5016, E5015) 25 {+ * /} E4316, E4315E5016, E5015 {+ * /} structural slab preheating temperature exceeds 150 ℃ 20g, 22g {+ * /} E4303, E4301E4316, E4315 (E5016, E5015) * + slab structure {/} preheated 100≤150 ℃ {+ * /} 20RE4303 , E4301 {+ * /} E4316, E4315 (E5016, E5015) is generally not preheated

Many users will find that the use of oil-fired boilers, boiler house will be black smoke occasionally during operation, this time do not worry, look carefully at the boiler, find out why, and then to solve them.

Inspection 6 tons of steam boiler and its accessories pressure parts of introduction 1, the steam boiler Safety Supervision boiler if the following conditions to deal with various internal and external inspection and pressure parts overpressure test. (L) disassembly, after conversion and shifting means; (2) stops running and resume operation requires more than one year; (3) pressure-receiving element after major repairs; (4) according to the boiler operation, the state of the device must doubt when tested. 2, the boiler before the test is completed stopped, the elimination of the internal scale external boiler ash, soot, yet necessary to dismantle the furnace wall and the insulation cover, the following check Key: (l) when the drum welds, holes and the like are normal , for leakage; (2) presence or absence of corrosion of the boiler plate, where the groove from deformation and the like; (3) waterwall tubes are not bent, deformation, etching, etc. inflated; (4) a pyrotechnic tubes are not bent, the tube plate out and gusset weld cracks; (5) to the water pipes, sewage pipes and the welding drum presence of a defect. 3, severe corrosion do accounting should be done before the super strength test. 4, before the hydrostatic test should do the following tasks (l) portion of the test, the internal management and Pu inspection surface; (2) to check the clogging of pipes; gauge (3) is mounted in the modified inspection (no less to 2); (4) change means drains and purge valve. 5, in a hydrostatic test shall meet the following requirements: (l) hydrostatic test shall be carried out when the ambient temperature is higher than 5 ℃, measures should be adopted or against the cold. (2) filled with water boiler, if the metal surface condensation, should be removed, a preliminary check for leaks and then slowly open the booster, when raised to 3kg / CM, a check should be carried out, can be tightened if necessary manholes , hand holes and flange bolts; (3) when the water pressure up to operating pressure, the opening pressure should be temporarily stopped to check for any leakage of each portion, and then increased to the test pressure for 5 minutes and then back down to the operating pressure checks, meet the following requirements is eligible. ① In the test pressure was raised, the pump stops, the pressure drop must not; no leakage in the outer weld ②; ③ watermark (traces of water) may or tears (not downflow drops) not being replenished weld; ④ Water after the pressure test, visual observation found no residual deformation.

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Boiler And Its Accessories The most influenced brand in China Guangzhou Devotion Corporation is devoted to manufacturing the oil and gas fired boiler, biomass boiler, condensation boiler, vacuum hot water boiler, electric boiler, thermal oil furnace, oil field heating

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