93results about How to "Increase water yield" patented technology

The invention provides a water outlet control method and device of a water purifying and drinking machine, a storage medium and the water purifying and drinking machine. The method comprises the following steps of acquiring 3D scanning data of a water receiving container, and determining the height and the volume of the water receiving container according to the 3D scanning data; determining the water outlet height and the water outlet amount of the water purifying and drinking machine according to the height and the volume of the water receiving container; adjusting the position of a water outlet of the water purifying and drinking machine according to the water outlet height; and controlling the water purifying and drinking machine to discharge water according to the water outlet amount.The water outlet control method and device can adjust the water outlet height and the water outlet amount according to the volume and the height of the water receiving container, effectively preventswater in a cup from splashing, and simultaneously is beneficial to improving the control of the water outlet rate and improving the user experience.

The invention provides a preparation method for a modified efficient polyaluminum chloride macromolecule inorganic flocculent. The specific method comprises the following steps: firstly, respectively preparing AlCl3.6H2O, MnCl2.4H2O and NaOH into 1mol/L aqueous solutions (in molar concentration), mixing the AlCl3.6H2O aqueous solution with the MnCl2.4H2O aqueous solution, then slowly dropwise adding the NaOH aqueous solution, and stirring the mixed solution while dropwise adding the NaOH aqueous solution, wherein the initial stirring speed is 200r/min-300r/min, and the final stirring speed is increased to 780r/min-820r/min; simultaneously controlling the reaction temperature at 20 DEG C-25 DEG C; and after dropwise adding of the NaOH aqueous solution is finished, further stirring, and keeping aging for 30-60 minutes. Through adding a small amount of manganese metallic ions into aluminum chloride and simultaneously controlling the alkalisation degree of the mixture solution at 2.0-2.5, the flocculent property can be improved, so that the flocculant has relatively high polymerization degree and quite high flocculation capability.

The invention relates to a low-pressure hollow fiber nanofiltration membrane which comprises a polysulfone hollow fiber base membrane; the low-pressure hollow fiber nanofiltration membrane is prepared by drying the base membrane, dipping the base membrane into a film formation liquid which takes acrylic resin, carboxyl type vinyl chloride-vinyl acetate resin and methylene diphenyl diisocyanate as solutes and takes butyl acetate and dimethyl carbonate as solvents, and lifting an upper dense membrane. The low-pressure hollow fiber nanofiltration membrane is capable of effectively removing most divalent ions and a small number of monovalent ions in water, so that the effects of removing salt and purifying water can be achieved, and the human body is supplemented with trace mineral substances; furthermore, the low-pressure hollow fiber nanofiltration membrane is also capable of effectively improving the water obtaining rate and the water yield of a household water purifier; the low-pressure hollow fiber nanofiltration membrane can run at the low pressure, so that the running cost and the manufacturing cost of the household water purifier are greatly lowered.

The invention belongs to the sewage treatment field, and especially relates to a water treatment composite flocculating agent and an application thereof. The flocculating agent is obtained by compounding a plurality of flocculating agents, and comprises 70-89wt% of polyaluminum chloride, 10-30wt% of an aluminum salt and 0.1-2wt% of an iron salt. The composite flocculating agent has the large strength characteristic of an inorganic flocculating agent, also has the bridge formation, network bashing, strong sweeping capability and large floc of an organic flocculating agent, and overcomes the disadvantages of low floc strength and large consumption of organic flocculating agents.

The invention discloses a method for extracting adenosine, comprising the following steps of: A, adjusting pH value of an adenosine fermentation broth to 7-8 by the use of aqueous alkali, heating, stirring, adding a flocculating agent, adjusting the rotating speed to 60+/-10 r/m after 60+/-10 minutes, stirring for 5-7 minutes, standing for 10-15 minutes, followed by press filtration; B, condensing the filtrate obtained from the step A in a rotary film evaporator to obtain a concentrate while the condensation temperature is controlled within 70+/-10 DEG C and degree of vacuum is -0.095+/-0.01 Mpa; C, placing the concentrate obtained form the step B at room temperature, naturally cooling for 2+/-1 h, continuously cooling to below zero, followed by freezing crystallization to obtain a crystalline liquid; and D, carrying out pumping filtration on the frozen crystalline liquid obtained from the step C to obtain a wet product, putting the wet product into a baking oven, and drying for 10+/-1 h so as to obtain a dry adenosine crude product. By the adoption of the method for extracting adenosine from the fermentation broth, the obtained adenosine crude product contains little content of impurities, the loss of the product adenosine is little, and the adenosine yield of a subsequent purification technology and a refining technology is obviously raised. In addition, the whole extraction method is economical and effective.

The invention relates to a water inlet pretreatment and water outlet aftertreatment combined purification treatment method for a landfill leachate membrane separation process, wherein the water inletpretreatment at least comprises the following steps: preparing modified attapulgite with improved adsorption performance, carrying out impurity adsorption treatment on leachate, and treating water entering a membrane separation system by using a filter unit taking coated mesoporous silica particles as a filter medium; wherein the effluent post-treatment in the landfill leachate membrane separationprocess comprises the step of purifying membrane filtration effluent by taking silicon dioxide magnetic microspheres as an adsorption medium in an electromagnetic purification tank. The combined treatment method disclosed by the invention is relatively low in preparation and operation cost and simple to operate and implement; by means of efficient adsorption of refractory organic matters, the defects that a membrane is easy to block and the membrane flux is reduced quickly are overcome, the yield of a membrane concentrated solution is effectively reduced, and the effluent quality of the membrane separation system is improved.

The invention discloses a preparation method of a pollution-resistant nanofiltration membrane for a water purifier. The method comprises the following steps: 1: preparing a membrane film; 2: preparing a casting solution; 3: drying the base membrane, and heating the surface to 30-40 DEG C, then adding the base membrane into the casting solution and impregnating for 2-4 h, conducting ultrasonic disperse in the whole process of membrane impregnation, so as to prepare the pollution-resistant nanofiltration membrane; then washing the nanofiltration membrane with deionized water and then drying.

The invention relates to the technical field of household appliances, and provides a water heater. The water heater comprises a water heater outer shell, a water inlet and a water outlet are formed inthe water heater outer shell, a first box body and a second box body are connected in series in the water heater outer shell along the water flowing direction, a heat exchanging pipe introducing to-be-heated cold water is arranged in the first box body, the positions around the heat exchanging pipe in the first box body are filled with a phase-changing material, and a heating piece for heating the phase-changing material is arranged in the first box body; and the second box body is a water storage box, and an electric heater is arranged in the water storage box. One of water storage box liners is used for storing part of hot water, a rapid electric heating function is supported, and meanwhile, the stability of the water discharging temperature of the water heater can be ensured; and in addition, when cold water passes through a liner for storing the phase-changing material, the cold water is subjected to sufficient heat exchanging with the phase-changing material, and due to the factthat the specific heat capacity of the phase-changing material is high, the water discharging rate of hot water is high. The water heater uses the advantage of specific heat capacity of the phase-changing material and the advantage of the rapidity of heating of the electric heater in the water storage box and the consistency of the water discharging temperature.

The present invention discloses a reverse osmosis integration machine purification system, which comprises a prime mover, a separation and purification machine connected to the prime mover, and a permeation membrane unit or unit group connected to the separation and purification machine in parallel.

The invention discloses a method for treating sewage by a double-membrane system of an algae bio-membrane and a plate micro-filtration membrane. The method contains two stages: a preceding stage and alater stage. In the preceding stage, the biological membrane method is adopted: in an algae bio-membrane reactor, a carrier adhesion method is adopted for immobilized culture of algae; and after a stable algae bio-membrane is formed, the algae bio-membrane reacts with domestic sewage added therein. In the later stage, a plate micro-filtration membrane module is added to filter out a few algae andother impurities mixed in an effluent obtained after treatment of the algae bio-membrane, and the deposited algae mud is recycled into the algae bio-membrane reactor to realize reutilization. By themethod of the invention, heavy metal and nitrogen and phosphorus can be effectively removed from domestic sewage and COD is reduced; and service life of the algae bio-membrane can be prolonged and effluent quality also can be improved.

The invention relates to a water tank used for a heat pump hot water heater. The water tank comprises a hot water discharging liner and a cold water feeding liner, wherein the bottom of the hot water discharging liner is provided with a hot water outlet; the bottom of the cold water feeding liner is provided with a cold water inlet; the hot water discharging liner and the cold water feeding liner are connected by liner connecting pieces; a first heat exchange coil pipe is arranged in the hot water discharging liner; a second heat exchange coil pipe is arranged in the cold water feeding liner; a liner connecting water pipe is arranged between the hot water discharging liner and the cold water feeding liner; the head end of the liner connecting water pipe is positioned on the top of the cold water feeding liner; the tail end of the liner connecting water pipe is positioned on the bottom of the hot water discharging liner; the first end of the first heat exchange coil pipe and the first end of the second heat exchange coil pipe are communicated on the outsides of the liners; the second end of the first heat exchange coil pipe is provided with a Freon inlet; the second end of the second heat exchange coil pipe is provided with a Freon outlet. The hot water discharging rate of the water tank is high, and the problems of low hot water discharging rate and large size of the traditional water tank are solved.

The invention discloses a method for dehydrating highly emulsified sump oil. The method comprises the following steps: injecting highly emulsified sump oil and a demulsifier into a jet-static mixer for full contact and mixing to obtain a preliminarily separated oil-water mixture; injecting the preliminarily separated oil-water mixture into an efficient separator for gravity settling separation orcoalescence separation to obtain sump oil and wastewater of which the water content meets the requirements. The invention further discloses a device adopted by the method. The invention aims to solvethe problems that large refinery sump oil yields and high sump oil moisture contents cause huge dirty oil storage pressure on a refinery plant; the dirty oil is difficult to recycle; and the like. Onthe basis of the demulsification and coalescence sedimentation principle, a complete set of separation device integrating the jet-static mixer and the efficient separator is developed, efficient removal of water in sump oil is achieved, the separation device is simplified while it is guaranteed that a final product is qualified, and resource utilization of water-containing sump oil is achieved.

The invention relates to a production method of persimmon life water. The method comprises the following steps: (1) squeezing persimmons and separating so as to obtain a primary pulp containing clear juice; (2) centrifuging to separate the clear juice from the primary pulp, namely centrifuging the primary pulp obtained in the step (1) at the revolving speed of 4000r/min for 10 minutes and collecting the clear juice; (3) performing enzymolysis on pectin, namely adding pectase, the weight of which accounts for 0.07% to 0.09% of that of the clear juice, into the clear juice obtained in the step (2), evenly mixing, then heating to 50 DEG C to 65 DEG C and preserving the heat for 30 to 120 minutes so as to obtain primary clear juice; (4) performing rough filtration on the primary clear juice so as to remove fibers and impurities; (5) performing astringent-return resisting treatment; (6) performing secondary filtration; and (7) degassing and homogenizing, namely performing vacuum degassing on the clear juice in the step (7) and homogenizing so as to obtain the persimmon life water. The persimmon life water is prepared by taking the clear juice of the pure persimmons as a raw material without various preservatives, sweetening agents and pigments, and the heating process is shortened via the one-step heating enzyme deactivation technology. Thus, the original flavor of the persimmons is retained to a maximum extent.

The invention relates to an ultrafiltration reverse-osmosis water purification treatment system. The ultrafiltration reverse-osmosis water purification treatment system comprises a raw water tank, a sand filter water intake high-pressure pump, a sand filter, an activated charcoal filter water intake high-pressure pump, an activated charcoal filter, a first reverse osmosis filter water intake high-pressure pump, a first reverse osmosis filter and a purified water tank which are connected together sequentially, wherein the raw water tank is provided with an ultraviolet lamp; the sand filter comprises a tank body which is provided with a grille plate and a sand filtering layer stacked on the grille plate, the tank body is partitioned into a sand filter part water outlet chamber and a sand filter part water inlet chamber by the sand filtering layer, the sand filter part water outlet chamber is provided with a sand filter part water outlet pipe orifice which is connected together with the activated charcoal filter water intake high-pressure pump, and the sand filter part water inlet chamber is provided with a sand filter part water inlet pipe orifice which is connected together with thesand filter water intake high-pressure pump. The ultrafiltration reverse-osmosis water purification treatment system has the advantages that purified water is few in viable bacteria and the sand filter is good in water flow smoothness, and the problems of the existing water purification treatment process that the purified water is large in quantity of viable bacteria and the sand filter is poor in water flow smoothness are solved.

The invention discloses a skid-mounted treatment device and method for oilfield sewage. The skid-mounted treatment device comprises a sewage pretreatment system and a sewage treatment system. The sewage pretreatment system comprises a sewage tank. The sewage tank comprises an oil-water separation zone, a water inlet zone and a sewage neutralization zone, wherein sewage in the water inlet zone enters the oil-water separation zone through a sewage diversion trough; and sewage de-oiled by a floating oil-receiving device in the oil-water separation zone enters the sewage neutralization zone through a liquid level controller. The sewage treatment system comprises a hydrocyclone, a microfiltration device and an ultrafiltration device, wherein the outlet of the hydrocyclone is connected with theinlet of the microfiltration device, and the outlet of the microfiltration device is connected with the inlet of the ultrafiltration device. The treatment method comprises sewage pretreatment and sewage treatment. The invention has the following beneficial effects: grading treatment is adopted, so good effect is obtained; the entire structure is an integrated skid-mounted structure, so use requirements under the condition of no on-site sewage treatment station are satisfied; and the whole treatment device is low in sewage treatment cost, does not need civil engineering and has high efficiency.

The invention relates to the technical field of sewage treatment, in particular to a reverse osmosis membrane pulse sewage discharge method. The reverse osmosis membrane pulse sewage discharge method comprises the following steps of: (1) filtering sewage by using a filter; and (2) further filtering the sewage through reverse osmosis membrane pulse sewage discharge and performing pulse treatment simultaneously, wherein the pH value of the sewage is controlled to be between 3 and 9, and the environment temperature of the sewage treatment is controlled to be lower than 50 DEG C. The reverse osmosis membrane pulse sewage discharge method is good in treatment effect, energy-saving and environment-friendly, water is discharged continuously and can be directly recycled, and direct cost of treatment is lower than that of tap water.

The invention discloses a reverse osmosis device for processing industrial sewage with a high salt concentration. The reverse osmosis device comprises an upper mounting base, a lower mounting base, and a reverse osmosis film. The upper mounting base, the lower mounting base, and the reverse osmosis film form a liquid storing area. A filter cylinder is vertically arranged in the liquid storing area. The filter cylinder divides the liquid storing area into an external osmosis area and an internal osmosis area. A cleaning assembly is arranged in the external osmosis area. The upper mounting baseis provided with a liquid inlet. The lower mounting base is provided with a concentrated water outlet and a slag outlet. Compared with the prior art, through an ultrasonic vibration device and an aeration device, liquid in the liquid storing area is driven to wash the reverse osmosis film gradually; the obstruction of the reverse osmosis device is prevented; the purified water output is effectively increased; the energy consumption is largely reduced; the reverse osmosis film can effectively block charged ions and makes electrically neutral water molecules pass through freely; the salt rejection rate is basically the same, the throughput of the composite film is greatly increased, and the service life is long.