176results about How to "Reduce washing water consumption" patented technology

The invention relates to a roller washing machine. The roller washing machine comprises a box body, wherein an inner barrel and an outer barrel are arranged in the box body, a door seal is arranged between the outer barrel and the box body, the inner barrel is connected with a driving device, the inner barrel is a hole-free inner barrel and is a conical barrel of which the diameter at the bottom is small and the diameter at the opening is large, the opening of the inner barrel is contracted inwards in an arc shape, a water inlet guide pipe is arranged on the door seal, one end of the water inlet guide pipe is connected with a wash water rapid heating device, the other end of the water inlet guide pipe penetrates through the door seal and extends into the inner barrel, and a water discharging opening and a water pressure detection device are arranged on the outer barrel. According to the technical scheme, the inner barrel is the hole-free inner barrel, water enters the inner barrel through the water inlet guide pipe arranged on the door seal and is discharged through the shape of the inner barrel in the water discharging process, so that water is prevented from being accumulated between the inner barrel and the outer barrel, and the amount of washing water is largely saved.

The invention relates to a preparative method of pseudo-boehmite, belonging to the field of the preparative technology of alumina exclusive of metallurgical usage. The method comprises the steps as follows: sodium metaaluminate solution is carbonated into mucus, aging, separating, washing and drying. The invention is characterized in that after the sodium metaaluminate solution becomes mucus, pulp-liquid separation is carried out primarily; filter cake is added; heating and aging are performed after water washing and mixed pulping. The invention has the advantages of low washing water consumption, low production cost, easy control of product quality and good practicality.

The invention relates to the field of household appliances, in particular to a washing machine provided with an ultra-fine bubble generating device. The washing machine comprises a case body and an outer tub installed in the case body, wherein an inner tub is rotatably arranged in the outer tub, at least one ultra-fine bubble generating device is arranged between the case body and the outer tub, a gas-liquid mixing outlet of each ultra-fine bubble generating device is communicated with the outer tub, ultra-fine bubbles produced by the ultra-fine bubble generating device enter washing body through the gas-liquid mixing outlet to make a washing agent fully dissolved. The washing ratio of clothes is improved, meanwhile pollutant discharge is reduced, and environmental pollution is reduced.

The invention provides a preparation method of white carbon black. The preparation comprises the following steps: S1, white carbon black synthesis, wherein sodium silicate solution and concentrated sulfuric acid are mixed to react to prepare white carbon black synthesized liquid; S2, coarse filter of white carbon black, wherein the white carbon black synthesized liquid is dehydrated for the first time by virtue of membrane filtration to obtain a white carbon black slurry material, the white carbon black slurry material is sampled to analyze the content of sodium sulfate; S3, white carbon black washing, wherein a proper amount of washing water at a proper temperature is added for washing according to the content of sodium sulfate obtained in the step S2, the washed material is concentrated and filtered, and the content of sodium sulfate in the concentrated and filtered material is measured; and S4, the step S3 is repeated until the content of sodium sulfate in the concentrated and filtered material is between 0.2wt% and 1.7wt% and reaches the product requirement, and then the concentrated and filtered material is dried to obtain the white carbon black product. According to the preparation method provided by the invention, the washing water amount can be effectively reduced and the complete washing can be ensured, so that white carbon black products of various specifications which are different in content of sodium sulfate can be prepared.

A heating apparatus of a washing machine comprises: a steam generator for generating steam; and a spray nozzle for spraying steam generated from the steam generator into a tub, in which a water level sensor for detecting a level of water supplied for steam generation step by step is mounted at the steam generator. According to this, an entire size of the washing machine is reduced, an amount of washing water is reduced, and a water level inside the steam generator is detected more accurately, thereby enhancing a performance of the heating apparatus.

This invention discloses a method for condensing and washing perfluoroethylene-perfluoropropylene copolymer prepared by emulsion polymerization. The method comprises: (1) adding 1-10 deg.C deionized water to perfluoroethylene-perfluoropropylene copolymer emulsion, stirring, demulsifying, and washing the precipitate with 40-80 deg.C deionized water for 2-6 times (1-5 min for each time). The method can largely increase the equipment productivity, lower the consumption of pure water, save the raw materials, and shorten the treatment period.

The invention relates to the technical fields of medicinal auxiliary materials and preparation methods and equipment thereof in the biopharmaceutical industry, in particular to medicinal hollow capsules and preparation method and manufacturing equipment thereof. The medicinal hollow capsules consist of gelatin, water, a surfactant, a coloring agent and/or an opacifier. The preparation method comprises the following steps of gelatin dissolution; color blending; and sterilization, wherein in the step of gelatin dissolution, ultrasonic gelatin dissolution or a mode of combining ultrasound and stirring is adopted; and the ozone sterilization is adopted in the step of sterilization. The manufacturing equipment comprises gelatin dissolution equipment and sterilization equipment, wherein the gelatin dissolution equipment is fully made of stainless steel; and the ozone sterilization device is a semi-automatic or full-automatic sterilization device. The capsules do not contain any preservative and are safe to medicate; the production process is favorable for environmental protection due to less wastewater discharge; and the ozone sterilization is thorough without residue.

The invention provides a poly-p-phenylene terephthamide (PPTA) polymer washing and solvent recovery method. The method comprises the steps of washing a PPTA polymerization product by aliphatic halogen alkane, separating NMP (N-methyl-2-pyrrolidone) and part calcium chloride from the PPTA polymer in a washing way, and washing the PPTA polymer by water to obtain PPTA resin with high purity. The method has the advantages that the energy consumption is low, the water consumption is reduced, the wastewater treatment pressure is reduced, the purification efficiency is high, the halogen alkane washing solution can be directly circulated into a polymerization process for use, and the like.

The invention discloses an impeller-type washing machine. The impeller-type washing machine comprises a washing drum, an impeller, at least one water jetting plates and at least one water supplementing plate; the impeller is rotatably arranged in the washing drum; the water jetting plates are arranged in the washing drum, and the water jetting plates and the inner side wall of the washing drum are arranged in a spaced mode, so that water jetting channels are defined out, water jetting openings are formed in the water jetting plates, and the water jetting openings and the water jetting channels are used for jetting water into the washing drum; the water supplementing plates are arranged in the washing drum, and the water supplementing plates and the inner side wall of the washing drum are arranged in a spaced mode, so that water supplementing channels communicated with the water jetting channels are defined out, water supplementing openings are formed in the water supplementing plates, and the water supplementing openings are communicated with the water supplementing channels to guide water in the washing drum into the water supplementing channels and guide the water into the water jetting channels. According to the impeller-type washing machine, massive water flow jetting circulation can be kept, and a good washing effect can be guaranteed.

The invention relates to a method for extracting vanadium pentoxide by calcification and calcination of tunnel kiln coal gas, which comprises the steps of: mixing mineral soil and calcium oxide at a proper proportion, crushing, squeezing to obtain bricks, stacking on a kiln cart, placing into a coal gas tunnel kiln, calcinating at a certain temperature, pulverizing the calcinated bricks with a ball mill, placing the obtained powder into a large stirring tank, leaching with low concentration sulphuric acid solution under stirring to obtain slurry, press filtering with a press filter, washing, separating, transferring the filtrate to a ion-exchange column for exchange and enrichment, purifying to obtain ammonium metavanadate, and performing thermal decomposition with an electrothermal burning furnace to obtain vanadium pentoxide. The inventive method has the advantages of low production equipment investment, convenient and accurate process condition control, low production operating cost, high product extraction yield (mean value about 75%), and high product purity (over 99%). The exhaust gas emission meets the standards, the waste water is recycled and reused without external discharge, and the waste residues are integrally utilized to produce bricks, so as to realize clean and environmentally friendly production.

The invention discloses a washing machine which comprises an outer cylinder, an inner cylinder, a plurality of water flow passage plates, an impeller disk and a plurality of floating blocks. The inner cylinder is arranged in the outer cylinder and spaced apart from the outer cylinder. The water flow passage plates are spaced apart along the circumference of the inner cylinder. Each of the water flow passage plates and an inner wall of the inner cylinder limit a water flow passage. Each of the water flow passage plates is provided with a plurality of sprays arranged along its length. The impeller disk is rotatably provided at the bottom of the inner cylinder. A water exclusive chamber is defined between the impeller disk and the bottom of the inner cylinder. One side of the impeller disk facing the water exclusive chamber is provided with a water drainage rib. A plurality of floating blocks is movably provided on one side of the water flow passage plates facing away from the water flow passage to open and close the corresponding water sprinklers according to the water level of the inner cylinder. The washing machine improves the strength and the amount of the jet spray water flow, improves the washing ratio of the washing machine, and reduces the washing water amount.

The invention discloses a roller washing machine. The roller washing machine comprises an inner barrel, an outer barrel, a pneumatic balancing mechanism and a water inlet device, wherein the inner barrel is rotatably arranged in the outer barrel by virtue of an inner barrel shaft, the inner barrel is used as a water storage container when clothes are washed, a water outlet and a sealing valve fornormally closing the water outlet are formed in and arranged on the circumferential wall of the inner barrel, the water outlet can be opened by the sealing valve under the centrifugal action when theinner barrel rotates at the speed above the set rotating speed, the pneumatic balancing mechanism is used for communicating the inner barrel with the external environment so as to balance the internalpressure of the inner barrel, a hollow channel is formed in the inner barrel shaft, the water inlet device communicates with the interior of the inner barrel through the hollow channel of the inner barrel shaft, the pneumatic balancing mechanism is arranged on the inner barrel shaft, and a non-contact heating module is arranged on the outer barrel and does not make contact with the inner barrel so as to heat the washing water stored in the inner barrel. The roller washing machine has the characteristics of water conservation and cleanness.

This invention relates to fine water solvent saw dye process method based on membrane isolation integration technique, which processes desalinization on the saw dye and condensation to isolate the inorganic salts like sodium chloride and sodium sulfate in the raw dye to get the purified dye and also makes the membrane process finishing rate more than 99.9 úÑ and to get the further liquid dye for process.

The invention provides a laundering procedure suitable for washing easy-to-float clothes and a washing machine. The technical solution is as follows: the laundering procedure suitable for washing easy-to-float clothes includes a washing procedure, a rinsing procedure and a spinning procedure; in the washing procedure, strong water flow is first adopted to operate, medium water flow and weak water flow then operate alternately, and at the same time, as the medium water flow and the weak water flow operate alternately, internal circulation operates; in the rinsing procedure, the medium water flow and the weak water flow are adopted to operate in turn, and at the same time, internal circulation operates. The invention also provides the full-automatic washing machine adopting the laundering procedure suitable for washing easy-to-float clothes. By selecting the procedures, fitting a gland-check ring structure over the low-water level space in an internal tub and combining the strong water flow and the weak water flow in alternation in cooperation with internal circulation, the dissolution of detergent is accelerated, medium and low water levels are adopted to increase the concentration of the detergent, consequently, the cleaning rate of easy-to-float clothes is effectively increased, and water consumption is reduced.

A wholly automatic decelerating clutch and a washing machine thereof pertain to washing machine technical field; an output shaft of the wholly automatic decelerating clutch consists of a small whirlpool agitator shaft, a large whirlpool agitator shaft and a dewatering shaft that are sleeved concentrically; the whirlpool agitator of the washing machine adopting the wholly automatic decelerating clutch is a small whirlpool agitator and a large whirlpool agitator, wherein the small whirlpool agitator is fixedly arranged on the small whirlpool agitator shaft and in the center part of the large whirlpool agitator, and the large whirlpool agitator is fixedly arranged on the large whirlpool agitator shaft, and an inner bucket is fixedly arranged on the dewatering shaft. The washing manner of the washing machine adopting the wholly automatic decelerating clutch is that: the small whirlpool agitator, the large whirlpool agitator and the inner bucket are mutually, reversely and bidirectionally rotated to and fro at a certain ratio, different speeds and different rotating angles, to produce complicated, vertically and horizontally crossed impacting water flow, to strike and rinse clothes, and fully roll, strongly rub and sway the clothes, thus improving the cleanness rate of clothes and not twisting the clothes; when the clothes are dewatered, a torsional spring automatically integrates the decelerating clutch into a whole, and decenters and dewater the clothes in high speed, without needing a whole set of clutch parts and operating mechanisms of the normal decelerating clutch.

The invention belongs to the technical field of papermaking, and relates to a sulfate wood pulp short-sequence ECF bleaching process X/Z/D-EOP-D or X/D/Z-EOP-D. The process comprises the following steps: (1) sequential bleaching (X/Z/D or X/D/Z): carrying out X/Z/D or X/D/Z sequential bleaching on sulfate wood pulp subjected to oxygen delignification to obtain semi-bleached paper pulp; (2) enhanced alkali extraction (EOP): carrying out hydrogen peroxide and oxygen enhanced alkali extraction treatment on the sequentially bleached paper pulp to further dissolve out residual lignin in the pulp; and (3) supplementary bleaching (D): carrying out chlorine dioxide supplementary bleaching on the paper pulp to obtain fully bleached paper pulp (88% ISO). Through the above bleaching treatment, the paper pulp with high whiteness and strength index is obtained. Compared with a traditional D-EO-D-D bleaching sequence, X/Z/D-EOP-D or X/D/Z-EOP-D bleaching sequence reduces one chlorine dioxide bleaching section, and under the condition that the final whiteness is the same, the chlorine dioxide consumption is reduced by 30% or above, and the water consumption is reduced by 20% or above.

Belonging to the field of chemical engineering, the invention relates to a method for reducing the acid content of a dimethyldichlorosilane hydrolysate. The method includes the steps of: (a) subjecting the dimethyldichlorosilane hydrolysate and a calcium chloride aqueous solution to countercurrent mixing and washing; (b) then continuously contacting the hydrolysate with a hydrochloric acid mass fraction gradually reduced aqueous phase, and performing full washing. On the basis of washing, the method provided by the invention introduces calcium chloride to increase the proportion of the hydrolysate and water, realizes rapid layering of the two, avoids emulsification phenomenon during washing, and improves the washing and acid removing effects. In addition, the method provided by the invention significantly reduces the consumption of washing water and lowers the production load, and the calcium chloride can be recycled, thus achieving green and clean production.

The invention provides a method for preparing aluminum-silicon oxide from fly ash. The method comprises the following steps: sequentially carrying out alkali dissolution treatment, acid leaching treatment and roasting treatment on the fly ash. According to the preparation method for extracting the aluminum-silicon oxide from the coal ash, the coal ash is used as a raw material, and undergoes two-stage atmospheric pressure leaching, so the reaction pressure is reduced, the equipment investment is reduced, the preparation process is simple and easy to operate, and the preparation cost is low.

The invention provides a roller washing machine comprising an inner cylinder and an outer cylinder. The inner cylinder is a non-porous inner cylinder and used for containing washing water during washing clothes; the outer cylinder is coaxially arranged outside the inner cylinder and is used for collecting water discharged from the inner cylinder and discharging the water through a drainage pipeline; and the roller washing machine further comprises a position detection device arranged on the outer cylinder and used for detecting the position of the inner cylinder. The roller washing machine ina non-porous inner cylinder front open type structure in the invention is simple in structure, and washing /rinsing water does not need to be filled between the inner cylinder and the outer cylinder so that the washing water consumption of the washing machine can be greatly reduced. The possibility of dirt attachment between the inner cylinder and the outer cylinder is avoided. User health and user experience are greatly improved, and water resources are greatly saved.