Welding concentrated cleaner dust removal pipe network

1 central purifier dust removal pipelines welding. Welding filter dust removal system, dust collector before the dust removal pipelines after comparing resistance calculation according to dendritic pipeline network or collection pipe network layout, a optimum energy-saving system. Central purifier manifold pipelines welding. Collection pipe network is divided into horizontal and vertical two kinds. Level set duct by the top or side of the access pipe connections, collection tube section wind speed for 3 ~ 4 m/s, is suitable for producing dust equipment distribution platform, at the same layer and the horizontal distance is bigger. Vertical duct from the tangent direction of the manifold connection access, manifold section wind speed is 6 ~ 10 m/s, is suitable for producing dust equipment distribution on multiple platforms, and the horizontal distance is not big. Manifold have lower crude purification should set dust discharging valve and dust conveying equipment. Collection tube resistance of pipeline system is easy to balance and connection is convenient. When you run the air volume change, the system is stable. b。 Welding concentrated purifier dendritic pipeline network. Decorate a form of dendritic pipeline network. Vertical, horizontal or inclined installation duct can be used. The Angle of the inclined installation, duct with horizontal plane should be greater than 45. Cannot satisfy the requirement when small slope or horizontal installation section should be shortened as far as possible, and take the measures to prevent dust. Complicated pipeline connection of dendritic pipeline network, each branch pipe resistance balance is more difficult, operation adjustment problems. But covers an area of less, no collection tube dust conveying equipment, is straightforward. 2. Welding concentrated cleaner dust gas pipeline wind speed generally take 15 ~ 25 m/s. 3. Welding concentrated cleaner pipe tee, pipe bending of special-shaped pipe fittings can produce resistance to air flow, dust removal system should be to reduce the pipe bracket. 4. Welding concentrated cleaner dust gas pipeline pipe should be from the top of the head or side connection. Connection with three-way Angle, appropriate USES 15 ~ 45 & deg; 5. Welding concentrated cleaner dust source of dust and water vapor symbiosis, should as far as possible will filter configuration directly above the exhaust hood, dust and water vapor through vertical section into the dust collector. Duct when horizontal section must be used to filter entry form is not less than 10 & deg; Slope and inspection hole is set on the air duct, so that the flushing tube bond of dust. 6. Welding concentrated cleaner by grinding cut and high concentration of dust gas pipeline, to wear prevention measures. Dedusting duct profiled prone to wear and adjacent straight pipe, of which bend curved side 180 & deg; ~ 240度; Within the scope of the wall wear is most serious. To wear less serious parts, can use local thickening wall. Serious to wearing away, is adding wear-resisting lining. Wear-resisting lining coating method (available Wipe wipe inside or outside the wear-resisting coating) Or method ( Lined with rubber, diabase plate, iron, etc. ) The construction. 7. Welding concentrated cleaner through high temperature dust gas pipeline and the relative humidity is high, easy to dewing dust gas pipeline should be set insulation layer to prevent condensation pipe network congestion. 8. Welding concentrated cleaner through high temperature dust gas pipeline thermal expansion compensation measures must be taken into account. Turn can take proper positions of the natural compensation or pipeline compensator. The corresponding pipe support should also consider the stress produced by thermal expansion. 9. Appropriate USES circular steel pipe welding concentrated cleaner gas piping, the joints and joints shall be tight, appropriate USES welding processing. 10. General welding concentrated cleaner gas piping should be set in the Ming dynasty. When using underground air duct, concrete or brick masonry are available, and the inner surface with cement mortar, and set in the proper position of the air duct cleaning hole to reduce pipeline resistance. But with the explosive dangerous dust and gas through underground air duct.

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