1, the safety valve should be mounted vertically in a high position in the pot business, set box.
2, between the safety valve and the drum or header, not equipped with access to the steam outlet pipe and the valve.
3, the lever-type safety valve should prevent movement of the self-apparatus and the weight limit leverage deviant guide tube, a spring safety valve should lift and handle means for preventing movement of the adjustment screw is screwed lightly.
4, the rated steam pressure less than or equal to 3.82MPa gas steam boiler safety valve throat diameter of not less than 25mm; power greater than the rated steam pressure 3.82MPa boiler safety valve throat diameter not less than 20mm.
5, the safety valve and coal-fired steam boiler tubes, the cross-sectional area not less than the cross-sectional area of the valve inlet. If several valves installed together with a short tube directly connected to the drum, the cross-sectional area of the passage should not step short tube to 1.25 times the area of all the exhaust valve.
6, the safety valve should normally be installed exhaust pipe, exhaust pipe should be through a safe place, and there is sufficient cross-sectional area to ensure the smooth flow of exhaust.
7, the safety valve exhaust pipe at the bottom should have received a place of safety posturing of drainage pipe, the exhaust pipe and drainage pipe not allow the installation of the valve.
8, rated evaporation to 0.5t h coal-fired steam boiler /, at least two safety valves installed; Rated evaporation 0.5t h less than or equal to electric boiler /, mounted on at least a safety valve.
2.4MW YQW gas-fired thermal oil heater for textile industryThermal oil heaters play an important role in the textile industry, providing heat energy for the process of dyeing, drying and printing. Located in Manila (the capital of the Philippines), Pantone Finishing Corporation is a large company engaged in textile products. The rising in natural gas price results in the increases of running cost for original thermal oil heaters. In order to save cost while having no effect on production, the company planned to purchase several energy-saving thermal oil heaters. The thermal oil heater produced by ZOZEN has superior advantages in manufacturing technique, which will guarantee the high quality. In consideration of the actual condition, ZOZEN’s engineer provided the company with YQW series gas-fired thermal oil heater and a tailored-made solution. The thermal oil heater adopts multi-loop coil tube design for safe operation, sufficient heating surface and high thermal efficiency. Furthermore, to achieve maximum effect of energy saving and consumption reduction, the thermal oil heaters are also equipped with waste heat recovery device including heat recovery 10t boiler high efficiency hot selling turkey, air pre-heater and economizer. The textile mill was so satisfied with the solution that they ordered several thermal oil heaters.
Low nitrogen 10t boiler high efficiency hot selling turkey and classification of meaning: In recent years, the state vigorously promote clean air plan, Yajian coal. Whether the use of coal-fired central heating boilers, and rural small coal stove for cooking and heating, are gradually being clean energy alternatives under the relevant policy. Thus, in recent years, sulfur dioxide, dust content in the atmosphere continues to decline. But it is worth noting that more and more use of natural gas, also caused a certain amount of nitrogen oxide pollution. Use low nitrogen boiler of the environmental benefits of very large.
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