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Abstract: Analysis of the mechanical mixing of common walnut shell Filter Use in oil field problems, introduced the GLC-320 rub-type in vitro Filter The main technical parameters, composition, working principle and key technologies and features. GLC-320 in vitro rub filter media provides a new way of laundering, not only to overcome the traditional mechanical mixing in the media backwash backwash is not thorough, easy to hardening of the defect, but also by the corrosion process, a process advanced, compact, high automation. The filter in the field test conditions and running well. Keywords: Oil, Water Pollution , Water treatment, filters, flushing structure 1. Application of walnut shell filter Oil and gas field produced water currently used walnut shell filter, multi-backwash mechanical mixing method, which the impeller tank filter through in-depth high-speed rotation, the center of the formation of low pressure in the impeller zone, causing the outer edge of the impeller The center of the troubled flow, churn driven medium, so that particles collide medium, friction, to remove the surface adsorbed the purpose of waste oil to medium to maximize return to its original state. Although the mechanical mixing of walnut shell filter has a simple structure, easy operation and many other advantages, but from the manufacturers of walnut shell filter use in various fields of view there are still some problems. First on the screen repeated blockage in the operation of the case or even turn red, especially in the case of imports under the high oil content, more prone to this phenomenon. Analysis may, in addition to imports of oil content may be too high, causing oil to plug the sieve pores, there are other internal reasons, it is because the formation of the rotating impeller flow erosion on the lower part of the role of filter tank, filter tank to the bottom clogging, and fluid erosion on the upper part of the role of filter tank is much smaller than the bottom, so the medium of small particles embedded on the screen will be high-speed slot, when the upper blocking rate of a certain level, its top and bottom will be formed a great pressure, until the screen turned red. Meanwhile, in this way the anti-flushing process, the walnut shell media is full of the filtration tank space, it is the medium of small particles can easily mesh embedded in the gap, thus aggravating the situation on the mesh of the block. For example, I plant GLW180/0.6-2 filter, in November 1999 in Jianghan Oilfield stop production runs, in late February 2000, the king of a station staff reflect the poor sewage backwash, Pressure Gauge Shows the pressure has reached 0.7MPa, more than the design pressure limit 0.6MPa, pressure-filter tank so often. The open tank, found that black layer of oil floating on the surface of the tank, put the bottom part from the tank with water, exposed on the screen, remove the check and found the screen to plug the entire media. 2 is due to medium while stirring flush with, or after the first flush mixing method, it requires a lot of clean water to ensure adequate washing time and strength; the same time, anti-washing is not thorough enough because of media, the media used for some time often required after adding expensive chemicals to help clean, it should solve the resulting serious emissions. Even so, calcium, magnesium, barium salt and other chemical agents to join, will inevitably accelerate the medium compaction, filter bed of the blockage, leading to medium to high cost of scrap and the cost of replacement. Order to overcome the common mechanical mixing of walnut shell filter device in question appears in the oilfield since 2002, in support of China Petrochemical Corporation, our factory with the oil and gas, scientific research institutions Cooperation , Introduced into the most advanced stage of walnut shell media Backwash technical - in vitro and scrubbing technology, developed a GLC-320 scrubbing filter in vitro. Now its main parameters, the main structure, working principle, characteristics and test of major prospect and a brief description. To water treatment in oil and gas fields, and peers. 2.GLC-320 scrubbing filter profile in vitro Water treatment in oil and gas fields, walnut shell media with other media can not match the advantages: chemical stability, high hardness, good wear resistance; directly before the water can filter backwash, from time to require the use of gas and chemical activity of pharmaceutical and Backwash low strength and good effect; adsorption strong hydrophilic property and anti-immersion. We are high quality suppliers, our products such as China Electrical Coatings , Industrial Non-Stick Coatings for oversee buyer. To know more, please visits Electrical Coatings.
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