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Knowledge of stainless steel water tank installation: Encyclopedia of Ningxia water tank (Jiquan)

10-17 one thousand one hundred and fourteen

Knowledge of stainless steel water tank installation: Encyclopedia of Ningxia water tank (Jiquan)

1. The water tank shall meet the requirements of this standard and shall be manufactured according to the specified drawing requirements and dimensions.

2. After the water tank is welded, the fasteners shall not be loose, and the connectors shall be free of missing welding and missing parts.

3. The welding seam of the water tank shall be full, and the welding surface of the outer layer of the water tank shall be smooth and beautiful without slag inclusion, weld bead, air hole and crack, and the welding interface shall be free of concave crack, separation and hand cutting. The welding seam of water tank inner tank shall be polished. Meanwhile, the welding requirements specified in Table 2 below shall be met.

4. The flat bottom plate of water tank shall be kept flat, and the deformation degree shall meet the requirements of Table 3.

5. The top of water tank and manhole must be fully welded, and the quality requirements are the same as 4.3.

6. The joints of the water tank must be well welded and kept vertical as far as possible, with an inclination of no more than 1 °.

7. The insulation layer is firmly combined with the surface of the water tank, and the appearance is smooth. Polyurethane foamed plastics or thermal insulation materials with better performance shall be used for thermal insulation layer; stainless steel plate or other suitable materials shall be used for outer decoration shell, and the surface shall not be uneven, scratched or rusty, meeting the requirements of Table 2.

8. The allowable tolerance of overall dimensions shall meet the requirements of Table 3 below.

9. When the water tank is filled with water, there shall be no leakage, leakage and obvious deformation. It shall be carried out according to the relevant full water test provisions of steel welded atmospheric pressure vessel. (GB 50242-2002. Code for acceptance of construction quality of building water supply and drainage and heating engineering)

10. When the water tank is erected, it shall be vertical, and the perpendicularity shall meet the requirements of Table 3.

11. The actual water capacity of the water tank shall not be less than the nominal volume.

12. The stainless steel plate used in the water tank shall comply with the provisions of GB / t3280. The plate used in the water tank must be 304 stainless steel plate. The thickness tolerance of inner and outer plates is less than 10%.

13. Carbon steel used in water tank shall comply with GB / T700. All iron parts of the water tank must be treated with anti-corrosion paint twice, and the exposed parts should be painted with silver paint twice.

14. The protruding parts inside and outside the manhole of the water tank shall be flanged or other protective measures shall be taken to avoid cutting people.

15. After cleaning, the water tank shall be filled with water meeting the requirements of GB5749, and the water at the outlet of the water tank shall meet the requirements of GB5749.