33results about How to "Low processing and running costs" patented technology

The invention relates to the improvement of a method for treating polymer-containing sewage of an oil field. The method is characterized in that microorganisms are formed by mixing bacillus cereuses, bacillus megateria, bacillus subtilis, candida lipolytica, bacillus brevis and pseudomonas fluorescens; after microorganism aerobic degradation, post filter treatment is carried out; obligate microorganisms are used for degrading oil and organic pollutants bonded on polymers, thereby improving the separability of surplus inorganic substances and polymer-containing substances; and meanwhile, the degradation of the oil and the organic pollutants creates a condition for subsequently prolonging the filter period of a filter material. The invention has the advantages of simple process, simplified flows, convenient running and management, good treatment effect, low treatment and running cost (0.65-0.7yuen / ton of water, which is 2 / 3 of that of conventional treatment), no need of adding any drug,no treatment secondary pollution and stable treatment effect, can guarantee that treated yield water can stably reach 5.5.2, has small sludge quantity and does not need a sludge treatment system, thereby solving the treatment problem of polymer-containing sewage of an oil field.

The invention discloses a novel dehydration method of calcium hydrogen phosphate product slurry. The method includes the following 4 steps: material distribution, first dehydration, second material distribution and second dehydration. The four steps are mainly carried out through an adhesive tape filter, which consists of a vacuum filtration box, an adhesive tape located above the vacuum filtration box and an adhesive tape machine controlling the adhesive tape rotation. Specifically, the adhesive tape thickness is greater than or equal to 40mm, the adhesive tape moving speed is 0.08-0.1m / s; the vacuum gas pumping amount of the vacuum filtration box is set at 7-8m<3> / m<2>, the vacuum degree is 0.06MPa, and the total length of the vacuum filtration box is 6-7m. The method provided by the invention has the advantages of good dehydration effect, simple operation, high automation performance, low production and running cost, and small safety risk, etc., thus being suitable for popularization and application.

The invention discloses a treatment system of synthetic rubber wastewater. The treatment system comprises a PLC system, an adjusting tank, a neutralizing tank, a floatation tank, a biological contact oxidation tank, a load Fenton oxidation tank, an aerobiotic MBR tank, a catalytic ozonation tower and a break point chlorination denitrification tank, wherein a sludge treatment system comprises a sludge storage tank, a sludge thickener and a plate-and-frame filter press; a water outlet B of the break point chlorination denitrification tank is connected to a flowing carbon filtration tower through a water pump B, the flowing carbon filtration tower further treats organic matters and ammonia nitrogen in sub-standard wastewater, and the wastewater is emitted after the emission standard is achieved. The treatment system disclosed by the invention can effectively remove the hardly degradable organic matters and the high-content ammonia nitrogen in water, and a load-type Fenton effect can improve the biodegradability of the wastewater and guarantees the effect of biochemical treatment; latter catalytic ozonation can further remove the hardly degradable organic matters in the water due to biochemical action; the flowing carbon filtration tower can guarantee the up-to-standard emission of the wastewater, and the CODCr of the wastewater after treatment is smaller than 60 mg / L.

The invention discloses a technique for fluorite mine floatation sewage treatment. The technique disclosed by the invention uses two deaerating tanks for removing air bubbles in mud, so that tiny solid particles are prevented from being adsorbed onto the air bubbles, and sedimentation and separation effects are improved. The technique disclosed by the invention needs no tailing pond, and by using the technique, the floor space can be reduced by more than 96% in comparison with the existing fluorite mine floatation sewage treatment technique according to a newly built fluorite mine floatation plant, so that land acquisition cost and tailing pond construction cost are saved, and the construction period is shortened; according to the existing floatation plant with tailing pond that is built, high investment for clearing the tailing pond or newly building the tailing pond after the tailing pond is full in future is saved. Compared with a waste water treatment technique using the tailing pond, the technique completely avoids potential environmental protection hazard about waste water leakage in the tailing pond and potential safety hazard about dam break of the tailing pond. The method disclosed by the invention realizes good separation effect, small floor space, low investment and low operation cost.

A quartz sand purification system without water washing process of the present invention comprises a pickling device, a filtering device, a drying device and a finishing device, and the quartz sand material is sequentially transferred between the four; the drying device includes a fluidized bed dryer, The material inlet of the fluidized bed dryer is connected to the silo, and the material outlet is connected to the collection bin; the hot air inlet of the fluidized bed dryer is connected to a heating furnace, a blower and an air filter in sequence, and the hot air outlet is connected to a cooler through a pipeline in sequence , a multi-stage dust removal device, a multi-stage water absorption device and an acid mist absorption tower, the gas outlet of the acid mist absorption tower is connected to the atmosphere. The present invention can satisfy the deacidification process of water washing, not only saves a large amount of environmental protection and production investment, but also saves water and wastewater treatment operation costs, reduces production costs, and can further play a role in deacidification during the fluidized bed drying process. mixed effect.

The invention relates to a system and a method of synergistic treatment of household garbage and energy resource comprehensive utilization with a rotary cement kiln. The system includes a garbage metering and storing system, a grate furnace, a rotary kiln, a decomposition furnace, a pre-heater, a boiler water steam comprehensive utilization system, a grate cooler, a kiln head dust collector, an odor treatment system and a leachate treatment system. Household garbage is fermented to reduce the moisture to about 20% and then is fed into the grate furnace by a grab bucket for being combusted, and generated flue gas is fed into the decomposition furnace through a kiln tail smoke chamber. In the decomposition furnace, harmful substances in the gas are decomposed under a high-temperature environment, wherein the waste ash in the flue gas is fed into the rotary kiln with the materials in the decomposition furnace together and then is calcined to form clinker. Meanwhile, flue gas in the kiln is subjected to equivalent replacement in the kiln tail smoke chamber, wherein the flue gas, after passing through a boiler, is discharged into the kiln head dust collector to collecting dust and then is emitted into air through a chimney. The system is free of a garbage sorting facility. The method is simplified in processes and is reduced in cost, is reduced in operation cost of garbage treatment, so that the method and the system can improve the problem that there is no garbage sorting in China at present.