Gas furnace fire interval design is particularly important: the gas is the most widely used of a combustible gas. Burning smoke, fire and strong, easy to ignite and does not pollute the environment, it is widely used in industrial production, such as ceramics, refractories, metal processing. Gas product gas from coal combustion and other solid or liquid fuels such as heavy oil gasification process by dry distillation obtained. Coalbed methane, shale gas reserves in terms of not scarce, much more than conventional natural gas resources, the main challenges now facing or in mining technology. Natural gas will account for half of the single-stage gas furnace, Chinese Academy of Economics and Technology Jianghuai You said shale gas, coal-bed methane development is one of the important work currently being undertaken in the oil. In the second session of China's Unconventional Oil and Gas Conference, held on the 14th, the stakeholders in the petroleum, petrochemical, and other energy companies have said, to the development of coalbed methane, shale gas as an important work. Although the "gas furnace design specifications" GB50195-94 determine the underlying layer of the main plant and the operation is a non-explosive environment, workshop without making the requirements for gas users, but in the top of the furnace and pipe laying workshop should still belong to the risk of explosion environment. A gas stove CBM and shale gas mining technology to face obstacles: before the global financial crisis, rising oil and gas prices, so higher costs of shale gas become profitable enough to stimulate its development. With numerous discoveries of shale gas, the world's natural gas supply and demand pattern is changing. Oil, natural gas and other resources of high prices today gas furnace, development of unconventional energy has become the consensus of many energy companies. The new gas furnace technology solutions to solve the cold wall effect used: Fu new gas furnace in the new high-temperature molten salt as the heat transfer medium, producer gas production process molten salt is a mixture of potassium nitrate, sodium nitrite and sodium nitrate the composition, the conventional ratio: 53% potassium nitrate, 40% of sodium nitrite and 7% sodium nitrate, inorganic molten salt heat carrier, good stability, good thermal conductivity, optimum operating temperature molten salt It can reach 400 ℃ ~ 500 ℃. In order to save energy, reduce the adverse effects of the gas furnace cold wall effect Wall jacket brought the utility furnace gas furnace wall cooling apparatus molten layer model provides a fixed intermittent gas, which means furnace wall the temperature can reach over 400 ℃, effective solution to the problem of the cold wall effect, steam decomposition rate and gas evolution significantly improved direct-fired gas furnace, the residual carbon content in ash and gas in the CO, content decreased with high temperature gas furnace melting salt as a heat transfer medium, with molten salt circulation pump forced circulation coil into the furnace wall into the brine is heated to 400qC countercurrent heat exchanger with a water softener, after cooling flow to the molten salt circulation tank cycle again. Hot soft water in the brine drum inside the heat exchanger is heated by the high temperature molten salt riser pipe and back to the drum, drum water supplied from outside the system. Furnace combustion gas cooling device artistry to make improvements: new gas furnace wall cooling apparatus of the present utility model relates to ammonia and methanol production technology in the field of coal as raw material gas, in particular furnace means for fixed layer intermittent gas . Efficient and environmentally friendly gas furnace in innovation is mainly reflected in, 巩义富 China machinery by developing secondary use of flue gas recovery system. Its main ingredient is hydrogen, carbon monoxide and light hydrocarbons. Ignition temperature of between 500 ℃ -600 ℃, mixed with air to a certain percentage, fire will explode. Therefore, the production and distribution of gas in the process of two-stage gas furnace, once the explosion occurred, often causing huge casualties and property losses, and therefore the effective implementation of gas fire station design is very important. For gas production is less than 6000 cubic meters / hour of a small gas station, "gas station design specifications" in the provisions of the workshop with adjoining gas users, but it should set up a firewall. Fire spacing aspect. Under the "architectural design code for fire protection" GBJ16-87, the gas plant and the adjacent gas station should meet the fire spacing of 10m, and civil construction should meet the fire protection distance of 25m. Here's no spacing requirements except for the direct use of the gas furnace gas and adjacent exterior wall firewall workshop in terms of non-gas users should still meet fire pitch workshop of 10m. Single-stage gas furnace | gas furnace | dryer equipment from Fuhua Machinery Manufacturing Co. Gongyi City. Gongyi City Fu-wah Machinery Manufacturing Co. (www.hgj520.com) (www.fhhgj.com) strong, credible, in Zhengzhou, Henan machinery and industrial products industry cooperation projects accumulated a large number of loyal customers. 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