60results about How to "Reduce solid content" patented technology

Reactor assembly for the production of polymers including a fluidized bed reactor and method for operating the reactor assembly.

The invention relates to a processing method of birch juice brandy. The processing method is characterized by including: adding ginseng extract into birch juice brandy according to raw sun-cured ginseng weight of 3g / 500mL to enable final alcohol content of brandy to be 40%; using the ginseng extract as a blending raw material to be added into birch juice raw wine, freezing and concentrating birch juice, restoring the birch juice after being concentrated to normal temperature, adding sucrose, inoculating yeast for alcohol fermentation, and brewing birch juice raw wine through low-temperature fermentation. A low-temperature fermentation process is adopted, so that nutritional ingredients and aroma of the birch juice can be retained better; ginseng liquid can be used for blending, so that nutritional value of the birch juice brandy is increased, and taste of the birch juice brandy is improved.

The invention discloses a method for continuous heat-melt dyeing of polyester, which comprises the steps of padding the polyester with a dyeing solution, drying, baking and washing with water. The dyeing solution includes liquid disperse dye, prepolymer A, prepolymer B, prepolymer C, synthetic thickener and penetrant. The advantage of this method is that the uniformity of dyeing is good, the dye does not migrate during drying, the relative fixation rate of the dye is high, the color fastness is excellent, and there is almost no discharge of colored wastewater, and the processing equipment is all conventional equipment. Continuous dyeing processing technology for energy saving and emission reduction.

The invention discloses a low-carbon, environment-friendly, economical and reasonable water treatment process flow and method for a water treatment plant, and belongs to the fields of water resource reasonable utilization technology and environmental protection. The water treatment process flow and method comprises the following steps of: adding a coagulant; adding a disinfectant; purifying water; and utilizing and treating wastewater. The invention has the advantages that: problems of the conventional process are solved; and the water treatment process and method for the water treatment plant is low-carbon, environment-friendly, economical, reasonable, stable and reliable in operation and convenient to manage and maintain, ensures water treatment effect to reduce project investment and daily operating cost.

The invention belongs to the technical field of ecological protection and waste treatment and utilization and discloses a method for resourceful treatment and use of water hyacinth. The method comprises: pretreatment: stacking water hyacinth, draining the water hyacinth, breaking the water hyacinth, carrying out beating pulping through a pulping device to obtain water hyacinth slurry and crushingstraws to obtain straw powder, mixing conditioning: mixing the water hyacinth slurry and the straw powder, adding a strain and fermented biogas slurry into the mixture and carrying out conditioning toobtain a conditioned mixture, anaerobic fermentation: carrying out anaerobic fermentation on the conditioned mixture to obtain biogas and fermentation broth, biogas use: purifying and using the biogas, solid-liquid separation: carrying out solid-liquid separation on the fermentation broth to obtain biogas residues and biogas slurry for mixing conditioning, and composting treatment: mixing the biogas residues and the straw powder and carrying out composting treatment. The invention provides the high-efficiency method for resourceful treatment and use of water hyacinth. The method has a high resource utilization rate, produces rich varieties of products and has no secondary pollution.

The invention discloses a horizontal screw-discharge sedimentation centrifuge. The technical scheme is characterized in that the horizontal screw-discharge sedimentation centrifuge comprises a rotary drum and a screw pusher, wherein the screw pusher comprises a mandrel and a push sheet; the mandrel is provided with a charge hole; the rotary drum is provided with a liquid outlet port and a residue outlet port; the liquid outlet port is provided with an overflow plate; a screw conveying sheet used for discharging a suspension is arranged on the inner wall of the charge hole in a winding manner; the liquid outlet port comprises filter holes which are uniformly and closely distributed in the end part of the rotary drum; and a scraping blade increasing a contact area with the inner wall of the rotary drum is arranged on the push sheet. According to the horizontal screw-discharge sedimentation centrifuge disclosed by the invention, the suspension is uniformly pushed into the rotary drum through the screw conveying sheet, and therefore the weakening of a residue sedimentation effect due to the increasing of the treatment capacity of the centrifuge can be avoided; in addition, filtering for a clear liquid is improved through the liquid outlet port formed by the filter holes, and therefore, the probability of particle discharge is lowered; and then the contact area between the push sheet and the inner wall of the rotary drum is increased through the scraping blade, the push effect of solid-phase particles is improved, and in addition, the scraping blade also extrudes the solid-phase particles during a push process and is further beneficial to lowering the water content of a mud cake.

The invention discloses a kitchen waste oil removing method. The kitchen waste oil removing method comprises the following steps that 1, kitchen waste is uniformly delivered to a rotary drum screen through a shaft-free helix and is washed with circulating water of 45-50 DEG C to obtain kitchen slurry without large impurities; 2, the kitchen slurry is subjected solid-liquid separation through a rotary fine grille and then is separated into solid-phase substance greater than 1 mm and kitchen slurry oil-water mixed liquid smaller than 1 mm; 3, the kitchen slurry oil-water mixed liquid is fed into a gravitational oil removing tank through an oil-water mixture inlet to separate crude oil; 4, the crude oil separated from the gravitational oil removing tank is fed into a three-phase horizontal screw decanter centrifuge through a pump for further purification and separation, and separated solid residues and waste water flow back to the gravitational oil removing tank. The kitchen waste oil removing method can achieve oil separation and recovery of kitchen waste.

The invention provides a method for production of a liquid fertilizer from biogas slurry. The method includes: pretreatment: subjecting stock biogas slurry to rough grinding and emulsification; primary compounding: according to the variety of the to-be-prepared liquid fertilizer, adding the pretreated stock biogas slurry into a blending reaction kettle and performing stirring, adding an auxiliarymaterial of certain ratio to a constant volume, then conducting constant temperature stirring emulsification to obtain a semi-finished product liquid fertilizer; fine grinding: carrying out secondarygrinding, filter pressing and third grinding on the semi-finished product liquid fertilizer in order; secondary compounding: putting the semi-finished product liquid fertilizer subjected to fine grinding in a stirring reaction kettle, adding an assistant of certain ratio and adjusting the PH value to 5.5-8.5, and then stirring the substances evenly; and filter pressing, metering, and packaging. The method provided by the invention adopts a multiple grinding way for refining treatment of suspended matters in the biogas slurry, not only keeps the macromolecular organic nutrients in the biogas slurry, but also improves the organic matter content of the biogas slurry raw material, the organic matter content is up to 4%, and the fertilizer efficiency is greatly improved.

The invention relates to a method for recycling lignin from low-boiling alcohol method pulping waste liquor, which relates to the technical field of pulping papermaking engineering. The method for recycling the lignin from the low-boiling alcohol method pulping waste liquor is applicable to the waste liquor which is obtained by boiling reagent of plant raw materials with low-boiling alcohols, the waste liquor is processed in steps such as flash evaporation, diluting, cooling, precipitation, filtering, separating, drying and the like to obtain lignin, calcium hydroxide is added in filter liquor, and the precipitate is filtered, separated and dried again to obtain low-molecule lignin. The method has characteristics of high recycling rate, less investment, no pollution and low energy consumption.

The invention provides a horizontal hydraulic secondary solid-liquid separator which comprises a compression cavity, a feeding hopper, a hydraulic device, a compression cavity filter plate and a discharge port adjusting device, the feeding hopper is mounted above the compression cavity, the hydraulic device is mounted behind the compression cavity, the compression cavity filter plate is mounted in the compression cavity, and the discharge port adjusting device is mounted in front of the compression cavity. The spiral extrusion type secondary solid-liquid separator solves the technical problems of high solid content of liquid separated by a spiral extrusion type secondary solid-liquid separator in the prior art, serious equipment abrasion, high processing cost, high failure rate and high maintenance cost, adopts a hydraulic extrusion mode, can ensure the integrity of materials, is small in equipment abrasion, greatly reduces the secondary treatment cost of the liquid, and improves the working efficiency of the spiral extrusion type secondary solid-liquid separator. Compared with a screw extruder, the screw extruder has the biggest advantages of small abrasion of equipment parts, long service life of equipment and low maintenance cost.

The invention discloses a desulfurization wastewater treatment system and method. The wastewater treatment system comprises: a wastewater buffer tank, the water inlet of which is connected to the outlet of a device producing desulfurization wastewater; sludge squeezing equipment, the input end of which is connected to the outlet of the wastewater buffer tank Connection; multi-stage treatment tank, the water inlet is connected to the water outlet of the sludge squeezing equipment; the clarification tank, the water inlet is connected to the water outlet of the multi-stage treatment tank; pH callback box, the water inlet is connected to the upper clear water of the clarification tank At the same time, it also provides a wastewater treatment method using the above system. This treatment method is especially suitable for pelletizing flue gas wet desulfurization wastewater. The process is simple and the system has a low solid content. The products are gypsum and slow-release compound fertilizer, and the final wastewater discharge meets national standards.

The invention relates to a method for recycling lignin from low-boiling alcohol method pulping waste liquor, which relates to the technical field of pulping papermaking engineering. The method for recycling the lignin from the low-boiling alcohol method pulping waste liquor is applicable to the waste liquor which is obtained by boiling reagent of plant raw materials with low-boiling alcohols, the waste liquor is processed in steps such as flash evaporation, diluting, cooling, precipitation, filtering, separating, drying and the like to obtain lignin, calcium hydroxide is added in filter liquor, and the precipitate is filtered, separated and dried again to obtain low-molecule lignin. The method has characteristics of high recycling rate, less investment, no pollution and low energy consumption.