condensing steam boilers in food industry
Shanxi Province is located in China's western areas north of the Loess Plateau, the terrain finished solid, rich products. Thanks to energy supply and price advantage of coal, coke, metallurgy, electric power and other coal industry, the rapid rise of the formation of Shanxi coal-based economies of resource-based industries.
Shanxi Province, but had coal and Xing, but also because of the coal and sleepy. According to the report, "2017, Shanxi Province, coal accounted for the proportion of energy consumption up to 84.6%, higher than the national average of 24 percent, it is 2.9 times as much as the global average of Shanxi to 1.6% of the national land area, consuming about 10% of national coal amount. for Shanxi, winning the battle of blue sky, coal pollution can be effectively controlled is the key.
According to the "Blue Sky Battle Shanxi three-year action plan," issued in July this year (hereinafter referred to as "" Shanxi three-year action plan '') planning requirements, by 2020, sulfur dioxide, total nitrogen oxide emissions are lower than in 2015 more than 20%, compared to strive average concentration of sulfur dioxide in 2015 fell about 50%. Among them, 2020, total coal consumption in 8 cities in key areas to achieve negative growth, the province's coal consumption in primary energy consumption share dropped to 80%, the proportion of the province's coal consumption of coal accounts for more than 55%.
According to Shanxi Province Bureau of Statistics latest data, as of the end of August this year, Shanxi Province, the outgoing power 50.67 billion kwh, up 21.1%; the first half of Shanxi new energy consumptive power grid to complete 15.6 billion kilowatts, an increase of 58.2%, new energy abandoned consumption fell 90.6% year on year, abandoned electricity rate fell 10.2 percentage points.
The past two years the province shut down 52 coal mines, quit production capacity 45.9 million tons, subtract coal production capacity of 9.25 million tons per year, the completion of energy-saving 18 million kilowatts of coal-fired power plants, coal-fired power plants province's average coal consumption of electricity of 320 grams per kilowatt-hour of standard coal. In the first half of this year, the province's above-scale industrial Shanxi coal industrial added value increased only 0.8%.
How discharge effluent gas boiler in vacuo (1) inside the drain valve opened; (2) an external drain valve opened very slowly, for preheating and sewage pipes; (3) a plurality of times to open and close the external drain valve, flush slowly the liquid furnace dirt, dirt so that the liquid may be discharged; (4) inside the closed drain valve, the drain valve remains between two drained water; (5) external drain valve closed, the end of the sewage.
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9, the fastening periodic electric heating wires on the screws and nuts on the flange.
10, electrically heated tube furnace in the vapor easy to scale. If there is no softening equipment steam boiler, electric heating is recommended once a month detached, to remove the scale. If treatment equipment should disassemble the tube was heated at six months or a descaling. Re-power heating tube should pay attention to the connection of the recovery, the screw fastening flanges good, should be symmetrical fastening screws tightened repeatedly tightened to avoid water leakage occurs.
11, when the boiler is stopped, the power should be cut off, the control box is opened, check all the electrical connections of the nut member, looseness should be tightened to prevent poor contact and electrical wires burning member.