149results about How to "Improve rinsing efficiency" patented technology

Disclosed herein are a washing machine and a control method of the same that is capable of maximizing a contact time between water and laundry, thereby improving the rinsing efficiency while using a small amount of water. The washing machine includes a water tub, a rotary drum mounted in the water tub to receive laundry, and a circulation unit to supply water from the water tub into the rotary drum. The control method includes detecting an amount of load according to a weight of the laundry, supplying an amount of water set according to the detected amount of load into the water tub, and supplying the water in the water tub to the laundry by alternately operating the rotary drum and the circulation unit.

A drum washing machine and washing method are provided. The washing machine directly sprays water to laundry inside the drum through a nozzle unit. The method includes passing some water through a detergent container and directly spraying some water to the inside of a drum through a nozzle unit such that a high concentration of detergent bubbles is generated while applying a force to the laundry. The washing machine includes a cabinet, a tub inside the cabinet, a drum inside the tub, a door on the cabinet, a diaphragm, and a nozzle unit installed so interference with the door is avoided and to receive water directly from an external source to spray water inside the drum during a washing cycle and a rinsing cycle. The nozzle unit adjusts water jetting according to a displacement of an actuator installed inside the nozzle unit.

The present invention provides an eluent for repairing contaminated soil. The eluent comprises, by weight, 50-70 parts of a nonionic biosurfactant and 5-30 parts of an anionic surfactant. The compounding synergism of the nonionic biosurfactant and the anionic surfactant enhances the solubilizing effect of the eluent on organic pollutants in soil, especially polycyclic aromatic hydrocarbons, so theelution efficiency of the eluent is significantly improved; and the components of the elutent are biodegradable, so the eluent does not cause secondary damage to the environment in the use process, and is an efficient, clean and environmentally-friendly in situ eluent for repairing contaminated soil. The eluent provided by the invention is firstly foamed in the use process, so the spreading efficiency of an eluent solution in the soil medium is increased, the migration of the eluent in the horizontal direction is enhanced, and the uniformity and the repairing efficiency of the eluent in the soil are further improved.

A washing machine that controls water supply modes of washing and rinsing operations and a control method thereof. For the washing operation, the wetting of the laundry is improved through the supply of water in unidirectional rotation in which the water is supplied while a washing tub and a pulsator are simultaneously rotated in one direction. For the rinsing operation, laundry is quickly separated from the washing tub, such that the laundry is sufficiently mixed with the water, through the supply of water in unidirectional rotation and the supply of water in alternating-direction rotation in which the water is supplied while only the pulsator is rotated in alternating directions, thereby achieving rinsing utilizing water supply time, and, in addition, turnover of the laundry is smoothly achieved such that washing residues present on the laundry are effectively removed from the laundry, thereby improving rinsing efficiency.

The invention relates to a drip washing method for remedying cadmium-contaminated soil. The drip washing method comprises the following steps: taking hydroxy ethylidene diphosphonic acid (HEDP) with the concentration of 0.5-11% as a drip washing agent, and adding the drip washing agent into the cadmium-contaminated soil; collecting eluate, so that the washing process is completed. Experiments show that the drip washing agent has a relatively good effect on removing cadmium in the soil. The drip washing method has the advantages of high remedying efficiency, strong operability, low environmental risk and the like.

A rinse control method for a washing machine including the steps of rinsing water supplying and infiltrating for supplying rinsing water rotating an inner tub at relatively low speed so that the rinsing water can be infiltrated into washing materials and rinsing water permeating and exhausting for draining the rinsing water rotating the inner tub at relatively high speed so that the rinsing water can be exhausted to the outside passing through the washing materials enable a swift rinsing operation with a smaller amount of rinsing water.

The invention discloses preparation and application methods of a fabric normal-temperature rinsing system. The preparation and application methods belong to the household and industrial rinsing field. According to the rinsing system, a cation bleaching activator N-[4-(trialkylamine methylene)benzoyl]lactam chloride and a hydrogen peroxide precursor are combined to be applied in fabric rinsing, various colored spots on pure yarn or blended fabrics of cotton, linen, silk, wool and chemical fiber and the like can be efficiently rinsed at room temperature or under an approximately neutral condition. The bleaching effect of the fabric normal-temperature rinsing system is much more remarkable than that when the cation bleaching activator is not added. In addition, fabrics will not be subjected to obvious chemical damage. The methods provided by the invention are very suitable for washing Chinese family clothing at room temperature.

The invention relates to an ectopic-in-situ combined bioremediation method of high-concentration petroleum contaminated soil, and belongs to the technical field of contaminated soil remediation. The ectopic-in-situ combined bioremediation method comprises the following steps: firstly, high-concentration petroleum contaminated soil is subjected to ectopic biological piling, so that the concentration of petroleum hydrocarbon in soil is reduced greatly; then a certain amount of the piled materials are returned to the field, so that the concentration of petroleum hydrocarbon in soil after field return is less than 2000mg.kg<1-> to meet the in-situ remediation requirement; finally, the remediation requirement is achieved after in-situ remediation. The ectopic-in-situ combined bioremediation method is combined skillfully so as to achieve the economical and efficient remediation effect.

The invention relates to a tunnel type continuous washing machine, and belongs to the field of washing equipment. The tunnel type continuous washing machine comprises a pre-washing area, a main washing area, a rinsing area and an after-treatment area, wherein a dewatering area is inserted between the main washing area and the rinsing area and comprises an inner barrel and an outer barrel; two panels are respectively fixed at an inlet and an outlet of the inner barrel; an inlet supporting steel ring and an outlet supporting steel ring are respectively fixed on surfaces, which are not fixed on the inner barrel, of the inlet panel and the outlet panel; the inlet supporting steel ring, the outlet supporting steel ring and the inner barrel are integrated; an optional one of the inlet supporting steel ring and the outlet supporting steel ring is connected with an external driving device; a conveying screw plate is fixed in the inner barrel; a through hole is formed in the inner wall of the inner barrel; and the inner barrel of the dewatering area is driven by an independent motor to rotate. By using the tunnel type continuous washing machine, the rinsing efficiency can be effectively improved; water consumed during rinsing is reduced; resources are saved; dewatered cloth grasses are easily rinsed cleanly; and a washing effect is obviously improved.

A method of washing fabric articles in a tunnel washer includes moving the fabric articles from the intake of the washer to the discharge of the washer through first and second sectors that are a pre-wash zone. Liquid can be counter flowed in the wash interior along a flow path that is generally opposite the direction of travel of the fabric articles. The main wash zone can be heated as an option. In the wash zone, there is a pre-rinse and/or a rinse. The fabric articles are transferred to a water extraction device that enables removal of excess water. A sour solution can be added to the fabric articles while extracting excess water.

The invention provides preserved green plum food without additives and a making method thereof and belongs to the technical field of food processing.The preserved green plum food comprises 600-1200 parts of preserved green plum, 5-30 parts of aloe vera gel powder, 1-20 parts of green tea powder, 5-50 parts of folium mori powder and 1-10 parts of bunge cherry seed powder.The preserved green plum food is good in plumpness and good in taste and has healthcare effects of appetizing and tonifying the spleen and improving the intestines and stomach.

The invention discloses a gradient leaching technology of a weathering crust elution-deposited rare earth ore residual ore leaching agent and aims at a closed ore field of weathering crust elution-deposited rare earth ore. Water, a low-concentration leaching solution and a high-concentration leaching solution are sequentially injected into the closed ore field of the rare earth ore by utilizing aliquid injection pipe left in the dump leaching or in-situ leaching process for leaching, and the obtained eluent is recycled, so that the problem of regional ammonia nitrogen pollution caused by slowrelease of a residual ammonium salt leaching agent is effectively solved. According to the method, the gradient leaching technology is proposed for the first time, so that the leaching efficiency ofresidual ammonium can be remarkably improved while the usage amount of a metal salt leaching agent is effectively reduced, and the related leaching technology is simple in process, convenient to operate and short in period, has important economic and environmental benefits, and can provide a brand-new thought for efficient and rapid treatment of the residual ammonium salt ore leaching agent in theclosed ore field.

The invention relates to a uranium hydrometallurgy ion exchange tower with filtration equipment comprising multilayer stand pipes. The ion exchange tower comprises a tower body, wherein the filtration equipment is fixedly mounted at the bottom of the tower body through a bottom plate; a resin outlet formed in the bottom plate is communicated with a resin outlet formed in the filtration equipment; a liquid outlet formed in the bottom plate is communicated with a liquid outlet formed in the filtration equipment; a sealing washer is arranged between the bottom plate and the filtration equipment; the filtration equipment comprises a base, four multilayer stand pipes, and a fixing annular plate; the four multilayer stand pipes are in welded connection with four liquid inlets formed in the upper plate of the base respectively; the open end of each multilayer stand pipe is corresponding to a liquid inlet; the fixing annular plate is in welded connection with the top plates of the four multilayer stand pipes.

The invention discloses a processing technology for a squid cake. The processing technology comprises the following steps: 1) pretreatment of a raw material; (2) rinsing and removal of fishy smell; (3) dehydration; (4) chopping; (5) kneading; (6) forming; (7) shaping; and (8) quick-freezing and refrigeration. According to the invention, conventional processing technology is optimized; the processing technology for the squid cake in the invention is simple in steps and good in operability; the prepared squid cake loses little juice during unfreezing and has good gel properties and taste; after the squid cake is roasted, fried or deep-fried, the squid cake has a more compact structure, delicate taste and good elasticity, presents flavor unique to squids and is rich in nutrients; and the processing technology provides a novel processing approach for squids, and is beneficial for increasing the added value of squids and suitable for promotion and application.

A method for rinsing endoscope channels of an endoscope with a rinsing agent from a rinsing agent supply. The method including: connecting a first endoscope channel to the rinsing agent supply via a first rinsing agent distributor, which has a testing device for checking an endoscope channel for a blockage; connecting at least one other endoscope channel to the rinsing agent supply via a second rinsing agent distributor; and checking the first endoscope channel for a blockage using a testing device and simultaneously rinsing the at least one other endoscope channel with rinsing agent from the rinsing agent supply. A device is also provided for rinsing endoscope channels of an endoscope with rinsing agent from a rinsing supply.

Disclosed herein are a washing machine and a rinsing control method of the same that is capable of increasing spin-drying RPM before the final rinsing, such that the spin-drying RPM before the final rinsing is higher by a specific percentage than a predetermined RPM, to strongly squeeze out residual detergent, contained in laundry, from the laundry, and adding soaked rinsing time, during the final rinsing, to completely dissolve residual detergent contained in laundry, thereby improving the rinsing efficiency. The washing machine includes a rotary drum to receive laundry and a motor to rotate the rotary drum. The rinsing control method includes determining whether a current operation is a rinsing operation, and, when the current operation is the rinsing operation, controlling intermediate spin-drying RPM and rinsing time to remove residual detergent from the laundry.

The invention relates to a method for remedying heavy metal-contaminated soil by combining chemical reduction and chemical leaching, and aims to provide a method for remediation by virtue of combination of chemical reduction and chemical leaching. The method is used for eluting iron and manganese oxides to improve an effect of removing heavy metals from soil by using a leaching agent. The method comprises the following steps of performing leaching by using a reducing agent aqueous solution, namely performing vibratory washing on the contaminated soil by using the reducing agent aqueous solution, and filtering washing liquid after centrifugation; and performing leaching by using a Na2EDTA (Ethylene Diamine Tetraacetic Acid) aqueous solution, namely adding the Na2EDTA aqueous solution into the contaminated soil leached by the reducing agent aqueous solution for vibratory washing, and filtering washing liquid after centrifugation.

The invention provides an ex-situ intensified washing method for chlorpyrifos contaminated soil. The method comprises the following steps: adding 200mL of reclaimed water in a sewage treatment plant into a conical flask with a stopper filled with uncontaminated loess, and extracting a loess extracting solution under ultrasonic assisted stirring and heating conditions; weighing 5g of crushed straws and adding the crushed straws into the conical flask filled with the loess extracting solution, sealing and culturing by using a preservative film with pores; centrifuging after the humification process is ended, filtering through a filter membrane being 0.45 micrometers so as to obtain a straw humification solution; and performing intensified washing on the chlorpyrifos contaminated soil by taking a mixed solution of the loess extracting solution prepared in the first step and the straw humification solution prepared in the second step as a washing solution. According to the method, the defects in the prior art are overcome, the process is simple, the cost is low, the washing solution is natural and environmentally friendly, secondary pollution in the washing process is avoided, the washing efficiency is high, and the method has high actual application potential.

The invention relates to a method for extracting uranium by using an ion exchange fixed tower, in particular to a method for extracting uranium by using an ion exchange fixed tower under the alternate Ph condition. The method comprises the steps of absorbing uranium by barren resin and eluting the uranium-carried resin to obtain uranium, wherein the step of eluting the uranium-carried resin to obtain uranium also comprises the following stages of elution neutralization, qualified liquid elution, first barren elution and second barren elution. In the stage of elution neutralization, an alkali eluent is used to neutralize residual acid in the uranium-carried resin, and the feeding mode is lower liquid feeding; in the stage of qualified liquid elution, the feeding mode is upper liquid feeding; in the stage of first barren elution, the feeding mode is upper liquid feeding, and the effluent liquid is a first barren solution; and in the stage of second barren elution, the feeding mode is upper liquid feeding, and the effluent liquid is a second barren solution. The invention increases elution efficiency and shortens elution volume by dividing the step of eluting the uranium-carried resin to obtain uranium into the stages of elution neutralization and qualified liquid elution and by respectively using the upper liquid feeding mode and the lower liquid feeding mode.

The invention relates to a method for leaching heavy metal contaminated soil by ultrasonic strengthening organic acid. The method comprises the steps of firstly, mixing organic acid and the heavy metal contaminated soil, and then leaching the heavy metal contaminated soil by the ultrasonic strengthening organic acid, wherein the ultrasonic frequency is 20-40kHz, the ultrasonic sound energy density is 20-50W/ L, and the time for leaching the heavy metal contaminated soil by the ultrasonic strengthening organic acid is 5-20 minutes. After the method is used, the leaching effect of the heavy metal contaminated soil is improved, and the morphology distribution of the heavy metal is changed; the repair for leaching the heavy metal contaminated soil by the ultrasonic strengthening organic acid is an environment-friendly repair method; the method is simple in technology, short in leaching time and good in repairing effect.

A wafer cleaning process includes the steps of supplying a cleaning liquid while rotating the wafer at a first rotational speed, supplying a rinsing liquid on the wafer at a second rotational speed substantially equal to the first rotational speed, supplying a rinsing liquid on the central area of the wafer while substantially stopping the wafer, and rotating the wafer at a fourth rotational speed higher than the first and second rotational speeds to scatter the stored rinsing liquid by a centrifugal force.

The method is a method of rinsing an endoscope in an endoscope cleaner placed in a vessel. The method includes a step of charging a surfactant into a vessel in addition to water to fill the vessel with a first rinse water containing the surfactant, a step of rinsing the endoscope placed in the vessel with the first rinse water, a step of supplying only water into the vessel after rinsing with the first rinse water to fill the vessel with a second rinse water that does not contain the surfactant and a step of rinsing the endoscope with the second rinse water. In the method, the action of the surfactant contained in the detergent is effectively utilized in a rinsing treatment of the endoscope while the endoscope is rinsed to thereby ensure that re-deposition of dirt is suppressed to enhance the overall cleaning efficiency.