Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

35results about How to "Overcome cleaning" patented technology

Umbrella-shaped electrostatic spinning sprayer and electrostatic spinning method

The invention relates to an umbrella-shaped electrostatic spinning sprayer and an electrostatic spinning method. The sprayer comprises an umbrella-shaped spinning nozzle, a numerical control type infusion device and a solution collecting groove, wherein the numerical control type infusion device mainly comprises a solution propeller and a controller; the middle of the umbrella-shaped spinning nozzle is provided with a cylindrical hollow portion, and an output end of the solution propeller is placed into the cylindrical hollow portion of the umbrella-shaped spinning nozzle; the controller controls flow velocity and flow of spinning solutions; and the solution collecting groove is placed in the bottom of the umbrella-shaped spinning nozzle. The electrostatic spinning method comprises that a binding post on the umbrella-shaped spinning nozzle is connected with a high-voltage positive electrode, conducting polymer solutions are continuously added to the umbrella-shaped spinning nozzle which is horizontally placed through the numerical control type infusion device, electrostatic spinning is started, collection is achieved through a collecting device, and nano-fibers are formed. The sprayer avoids blocking phenomena, and is easy to clean and good in stability; and the electrostatic spinning method improves production efficiency and the yield of electrostatic spinning.
Owner:DONGHUA UNIV

Compound cleaner for cleaning reverse osmosis membrane and preparation method of compound cleaner

The invention provides a compound cleaner for cleaning a reverse osmosis membrane and a preparation method of the compound cleaner. The compound cleaner comprises a chelating agent, a polymer, a surfactant, a bactericide and a reducing agent. Meanwhile, the invention also provides a preparation method of the compound cleaner for cleaning the reverse osmosis membrane. The compound cleaner provided by the invention has a relatively good cleaning effect on carbonate, phosphate, sulfate and zinc salt deposition, has an excellent effect on removing ferric oxide and hematite oxide, and can be widely applied to a polyaramid reverse osmosis membrane, a hollow fiber membrane, nanofiltration (NF) and ultrafiltration (UF). Due to the excellent cleaning effect, the use efficiency of the reverse osmosis membrane is increased, the service life of the reverse osmosis membrane can be prolonged, the times for replacing the reverse osmosis membrane can be reduced, and the cost is saved.
Owner:WEIHAI XIANGYU TECH

High-performance through hole foamed aluminum material and preparation process thereof

ActiveCN109465426ALarge specific surface areaOvercome energy absorptionProduction lineEnergy absorption
The invention relates to a preparation process of a high-performance through hole foamed aluminum material. The preparation process mainly comprises the steps that prepared transition filling balls are placed into a casting mold, after vibration operation and preheating treatment, the prepared transition filling balls are moved into a negative pressure device, a negative pressure valve is startedto form negative pressure in a mold cavity, molten aluminum alloy molten liquid is cast, and the clearances between the balls are evenly full of the aluminum alloy molten liquid in a penetration manner under the action of negative pressure and heat balance; and after cooling, the mold is demounted, cutting and slicing or modeling processing is carried out, the transition filling balls are clearedaway and removed through production lines of ultrasonic cleaning, high-pressure water cleaning, high-pressure gas cleaning and drying cleaning, three-dimensional through ball-shaped pore cavities aredistributed in an obtained aluminum alloy matrix, and the regular ball-shaped pore cavities are independently and evenly distributed in the matrix, and the ball-shaped pore cavities are connected through through holes. The specific surface area of the matrix is large, and the physical, mechanics and mechanical properties are better on the aspects of damping, energy absorption, sound insulation andnoise reduction, heat insulation, electromagnetic shielding, impacting force resistance, permeability and the like.
Owner:王楷煌

Separated rainwater drainage system tail end floating type filter device

The invention discloses a separated rainwater drainage system tail end floating type filter device which comprises a filter chamber with a water inlet and a water outlet. The filter chamber comprises a drainage channel, a suspended matter separation zone and a silt zone, wherein the drainage channel is used for downwards draining water bodies from the water inlet, the suspended matter separation zone comprises a filter channel of up-flow filtered water bodies and a floating filter layer which is filled into the filter channel, an inlet of the filter channel is communicated with the water outlet end of the drainage channel, an outlet of the filter channel is communicated with the water outlet, the floating filter layer comprises suspended particle filter materials and a fastener used for pressing and fixing the suspended particle filter materials, and the silt zone is located below the suspended matter separation zone and used for collecting impurities filtered by the suspended matter separation zone. According to the separated rainwater drainage system tail end floating type filter device, the structure is simple, the cost is lower, the power is not necessary, maintenance is convenient, suspended matter in the water and other pollutants adhered to the suspended matter can be effectively removed, and the floating filter layer is convenient and thorough to clean.
Owner:ZHEJIANG UNIV

Low-viscosity grinding cutting fluid

The invention provides low-viscosity grinding cutting fluid. The low-viscosity grinding cutting fluid comprises the following components in percentage by mass: 50% to 80% of polyhydric alcohols with 60 to 200 molecules, 18% to 46% of deionized water, 0.5 % to 3% of thickening agent, and 0.3% to 3% of lubricating agent. The low-viscosity grinding cutting fluid can enable the grinding micro powder to be dispersed uniformly, the viscosity of mortar prepared by adopting the low-viscosity grinding cutting fluid is low, and the low-viscosity grinding cutting fluid is used for cutting inorganic nonmetallic materials. The grinding cutting fluid provided by the invention has the characteristics that the cost is low, and the grinding cutting fluid can be cleaned by water easily, meanwhile, the difficulty that abrasive particles subsides fast when the low-viscosity cutting fluid is used by a multi-wire cutting machine is overcome, the suspension stability of abrasive materials in the cutting fluid is achieved effectively, and the cutting fluid is applied to precision cutting to optical substrates, quartz material, ceramic substrates and the like by a small-sized multi-wire cutting machine.
Owner:SHAANXI RES DESIGN INST OF PETROLEUM CHEM IND

Cement concrete scale cleaning agent and preparation method thereof

The invention relates to a cement concrete scale cleaning agent and a preparation method thereof. The cement concrete scale cleaning agent is prepared from the following raw materials in percentage by mass: 2-30% of organic acid, 1-5% of builder, 0.5-5% of penetrant, 0.1-2% of tackifier and the balance of tap water. The preparation method comprises the steps: preparing production equipment; accurately weighting the raw materials; adding half of the tap water, sequentially adding the organic acid, the builder, the penetrant and the tackifier while stirring at the rotating speed of 600-700rpm, and after all the raw materials are added, stirring at the rotating speed of 1000-1500rpm until the raw materials are completely dissolved; adding the residual tap water, and then, uniformly mixing at the rotating speed of 600-700rpm to obtain a cleaning agent product. According to the invention, the cleaning agent cannot corrode the equipment and can be used for clearing hardened cement concrete scales on the surface of the equipment without knocking, not only is the equipment protected, but also the water obtained after cleaning can be treated to be reused, so that the cleaning agent is pollution-free, safe and environment-friendly.
Owner:北京中砼冠疆新航建材有限公司

Water treatment system with bidirectional cleaning function

The invention discloses a water treatment system with bidirectional cleaning function, and aims to provide a water treatment system capable of realizing bidirectional alternate cleaning. The upper water outlet of a double-end water outlet external-pressing membrane assembly is connected with an upper filtrate collecting conduit, while the lower water outlet is connected with a lower filtrate collecting conduit; the upper filtrate collecting conduit is connected with a first control valve and a second control valve; the lower filtrate collecting conduit is connected with a third control valve and a fourth control valve; the first control valve is connected in parallel with the third control valve and then is connected with a fifth control valve, a water pump and a seventh control valve in turn; one end of an eighth control valve is connected with a second connector of the water pump, while the other end is connected in parallel with the fifth control valve; one end of a sixth control valve is connected with a first connector of the water pump, while the other end is connected in parallel with the seventh control valve; and the second control valve is connected in parallel with the fourth control valve and then is connected with a residual cleaning solution outlet. The system can realize bidirectional alternate cleaning, improve the flushing effect on pollutants in a membrane cavity, and ensure the membrane cleaning efficiency and reflux recovery rate.
Owner:TIANJIN MOTIMO MEMBRANE TECH

No-air-source foam plug dust removing system applied to underground coal mine

InactiveCN103388484ASolve bulkyOvercoming System ComplexityDust removalFire preventionMineral dustFoaming agent
The invention relates to a no-air-source foam plug dust removing system applied to underground coal mine. The no-air-source foam plug dust removing system mainly consists of components such as a clear water pipeline, a mineral flameproof pressure pump, a proportioning mixer, a foaming agent liquid storage tank, a foaming agent pipeline, a foaming liquid pipeline, a foaming liquid distribution device, a foam maker and a foam nozzle. A current water source in a dust removal site is conveyed to the mineral flameproof pressure pump through a filtering device, clear water is pressured and then enters the proportioning mixer, the proportioning mixer generates negative pressure inside and sucks a foaming agent into the foaming agent pipeline, the clear water fully and uniformly mixed with the foaming agent and then enters the foam maker through the foaming liquid distribution device, the foam maker sucks surrounding air by utilizing the Venturi effect to mix with foaming liquid to form high-quality foam, and the foam is sprayed out through the foam nozzle to form a foam plug with the certain thickness so as to block the propagation of mineral dust; and when the system is in use, the number of the foam nozzles and the thickness of the foam plug are selected according to the requirements of the dust removal site. The no-air-source foam plug dust removing system disclosed by the invention does not need a special compressed air conveyance pipeline and has the advantages of simple structure and convenience in use.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Traditional Chinese medicine hydrogel patch capable of treating chemotherapeutic phlebitis, and preparation method thereof

The invention belongs to the technical field of traditional Chinese medicine preparation, and provides a traditional Chinese medicine hydrogel patch capable of treating chemotherapeutic phlebitis, anda preparation method thereof in order to solve the technical problems that an original compound Tengzhigao has certain potential safety hazards, is inconvenient in use, is inaccurate in dosages, causes skins to be greasy, is difficult in cleaning and the like. A medicine-carrying hydrogel matrix is prepared by mixing caulis sargentodoxae, radix angelicae dahurioae, bulbus fritillariae thunbergii,phellodendri chinensis cortex, radix rhei, radix aucklandiae, olibanum, myrrha, borneol and menthol at a certain ratio and adding skeleton materials, tackifier, humectant, cross-linking agents, crosslinking modifiers, filling agents, pH conditioning agents and distilled water, and then, the medicine-carrying hydrogel matrix is processed through steps of coating, cutting and standing to obtain thetraditional Chinese medicine hydrogel patch. The patch disclosed by the invention is pasted to chemotherapeutic phlebitis local skins, performs a targeted therapy function through the performing of the active ingredients of a long-acting slow release medicine, has the advantages of being convenient in use, comfortable in skin feelings, free from greasy feelings, free from irritation for skins, free from allergy and the like, and is an ideal external medicine preparation for treating the chemotherapeutic phlebitis.
Owner:SHANXI PROVINCE CHINESE MEDICINE RES INST

Splitted and equalized combined gas and water forced cross-flow cleaning tubular submerged membrane unit

The invention provides a splitted and equalized combined gas and water forced cross-flow cleaning tubular submerged membrane unit comprising membrane tubes, a support structure, an air intake pipe, awater collecting pipe, a connecting pipe head and a soft connecting pipe, and a plurality of membrane tubes as a set are inserted vertically into the interior of the support structure. The most remarkable innovation of the splitted and equalized combined gas and water forced cross-flow cleaning tubular submerged membrane unit is that after dividing the whole bundle of membrane filaments into multiple bundles, the membrane bundles are uniformly thinned in a narrow space formed by a guide cylinder which air and water must pass by and the inner walls of the membrane tubes, the membrane tubes arein a submerged and vertical suspension state, the cross-flow turbulent cleaning effect of an air-water mixture on the surface of the membrane filaments filled in the space is enhanced, the short-flowand dead-end phenomena of the air and the water pass by can be greatly reduced, the sufficient cleaning of the surface of the membrane filaments can be effectively ensured, and the problems such as damage and breakage caused for the reason that dirt among the membrane filaments inside a hollow fiber membrane filter element is hardened and deposited to cause incomplete cleaning, and the membrane filaments are easily entangled with each other can be overcome.
Owner:天津碧莹源净水科技有限公司

Multifunctional combined type salad machine

ActiveCN101904703AOvercome cleaningOvercoming Dehydration ProblemsKitchen equipmentEngineeringFood material
The invention relates to a multifunctional combined type salad machine which comprises a main engine assembly, and a washing assembly and / or a stirring assembly which is arranged on the main engine assembly, wherein the main engine assembly comprises a rotating rod and a hollow main engine big body, the main engine big body is provided with a cleaning assembly microswitch and a stirring assembly microswitch, and the cleaning assembly microswitch, the stirring assembly microswitch and the main engine big body are connected into a whole through a fastening member. The invention can realize multiple functions of washing vegetables, dewatering, cutting food materials, stirring and making salad foods by selecting and dismantling parts, solves the problem that the traditional product can not clean and dewater, controls a speed control motor to generate different rotating speeds (50-1200turns / min) by using a program set inside a control plate, and transfers power to the cleaning assembly or stirring assembly through a motor rotating shaft to control the circuit to reach stable rotating speed under different loads. Compared with the prior art, the invention has the advantages of low manufacture cost, multiple functions and convenient safety and use.
Owner:GUANGDONG XINBAO ELECTRICAL APPLIANCES HLDG CO LTD

Temperature adjusting method, storage medium and intelligent mattress

The invention relates to a temperature adjusting method, a storage medium and an intelligent mattress, and the method comprises the steps: obtaining first pressure data of a plurality of position points on a mattress when the existence of a human body and a covering object on the mattress is detected; according to the acquired first pressure data of the plurality of position points, querying sleeppostures corresponding to the first pressure data of the plurality of position points and second pressure data of the plurality of position points when a human body in the sleep posture exists on themattress and a covering does not exist in the mattress from a knowledge base; acquiring output parameters of temperature adjusting equipment; according to the first pressure data of all the positionpoints, the second pressure data of all the position points, the output parameters of the temperature adjusting equipment, pre-stored human body heat release power and heat preservation performance parameters of the covering object, determining the heat preservation temperature of the covering object at all the position points; and according to the determined heat preservation temperature of the covering object at each position point, sending an instruction for adjusting the output parameters of the covering object to the temperature adjusting equipment.
Owner:GREE ELECTRIC APPLIANCES INC +1

Double-layer stainless steel water tank

The invention discloses a double-layer stainless steel water tank comprising an outer-layer tank body and an inner-layer tank body which are separated, wherein a sponge and foam insulation layer is filled between the outer-layer tank body and the inner-layer tank body; the inner-layer tank body is made of an edible USU304# steel plate; and the outer-layer tank body is made of a 201# steel plate. The double-layer stainless steel water tank disclosed by the invention is light in weight and convenient to mount and clean and overcomes the defects of large weight, inconvenience in mounting and cleaning as well as easily-caused green mosses, rusting and leakage of a stainless steel water tank in the prior art.
Owner:贵州省卫星节能炉具制造有限公司

Method for cleaning machine-made component

The invention provides a cleaning method for a mechanically processed part by replacing traditional organic solvent cleaning agent with supercritical carbon dioxide fluid medium, and intensifying cleaning effect by mixing the cleaning medium by using ultrasound wave during cleaning process. The pressure range of the supercritical carbon dioxide fluid is 8-30MPa, the temperature range is 40-150 deg C., and the cleaning period is 30-90 min. The ultrasound wave used for mixing is induced by three sets of energy-accumulating supersonic transducers which have a space included angle of 120 degree, and the power of each set of supersonic transducer is 200 Watt. According to the invention, residue material such as surface cooling fluid of the mechanically processed parts can be cleaned without generating organic cleaning waste liquor to pollute surroundings, and the cleaning efficiency is improved greatly.
Owner:SICHUAN INST OF MATERIALS & TECH

Laser cleaning control method and control system based on LIBS (laser-induced breakdown spectroscopy) technology online monitoring

The invention discloses a laser cleaning control method and system based on LIBS technology online monitoring, and relates to the technical field of laser cleaning, the laser cleaning control system is researched and developed for achieving the laser cleaning control method, and the laser cleaning control system comprises a mainframe box, a laser cleaning system and an LIBS online monitoring system; the mainframe box is used for bearing the laser cleaning system and the LIBS online monitoring system, and the LIBS online monitoring system is used for collecting and monitoring plasma signals in the cleaning process of the laser cleaning system. According to the laser cleaning control method and system based on LIBS technology on-line monitoring, the dirt cleaning effect and cleaning efficiency of the surface of a cleaned target are greatly improved, on-line monitoring of the laser process is achieved, the laser cleaning process is more automatic, protection on a cleaned target base body is better improved, and the laser cleaning quality is improved. And the service life of the base body is further prolonged.
Owner:CIVIL AVIATION FLIGHT UNIV OF CHINA

Special cleaning agent for cold rolled silicon steel plate

The invention discloses a special cleaning agent for a cold rolled silicon steel plate; the cleaning agent mainly comprises the following components in parts by weight: 19-35 parts of sodium hydroxide, 43-62 parts of sodium silicate, 10-28 parts of sodium tripolyphosphate, 1-6 parts of polyoxyethylene ether, 1-3 parts of soap, 0.1-0.2 parts of efficient organic silicon foam inhibiting agent, 0.1-0.2 parts of general organic silicon de-foaming power, and 0.1-0.2 parts of tributyl phosphate. The special cleaning agent for the cold rolled silicon steel plate provided by the invention can overcome the defects that the cleaning effect is poor, the energy consumption is high, and an operation fault is likely to cause in the prior art, thereby achieving the advantages that the cleaning effect is excellent, the energy consumption is low, and the operation fault is unlikely to cause.
Owner:无锡日冠机电制造有限公司

Special cleaning agent for cold rolled silicon steel plate

The invention discloses a special cleaning agent for a cold rolled silicon steel plate for cleaning a cold rolled silicon steel plate. The special cleaning agent mainly comprises the following components in parts by weight: 17-31 parts of sodium hydroxide, 46-62 parts of sodium silicate, 12-23 parts of sodium tripolyphosphate, 1-8 parts of soap polyoxyethylene ether, 0.1-0.3 part of efficient organosilicone foam inhibitor and 0.1-0.3 part of general organosilicone defoaming powder. The special cleaning agent for a cold rolled silicon steel plate for cleaning a cold rolled silicon steel plate disclosed by the invention can overcome the shortcomings of the prior art that the cleaning effect is bad, the energy consumption is high, the operation fault is easily caused and the like so as to realize the advantages that the cleaning effect is good, the energy consumption is low and the operation fault is not easily caused.
Owner:无锡日冠机电制造有限公司

Preparation method and application method of green additive capable of alleviating oxidative stress of broiler chicken

A preparation method and an application method of a green additive capable of alleviating oxidative stress of broiler chickens. The preparation method includes following steps: employing raw materials including following components, by weight, 300 parts of an extract of origanum vulgare, 50 parts of [alpha]-tocopherol acetate, 100 parts of VC phosphate and the balance 1000 parts of a carrier; and uniformly mixing the raw materials to obtain the green additive. The carrier is composed of porous adsorptive zeolite powder and corncob powder according to a weight part ratio being 2:1. The adsorptive zeolite powder and the corncob powder are subjected to pre-crushing process to enable a fineness to be 10-100 meshes. The green additive is significant in application effect during feeding, can replace, or partially replace antibiotics, and has important significances on improving a production level of the broiler chickens, ensuring product safety of the broiler chickens, maintaining ecological environment and promoting a healthy sustainable development of livestock breeding industry.
Owner:GUANGZHOU MERITECH BIO ENG TECH

Spray nozzle of nanofiber mass production device

The invention provides a spray nozzle of a nanofiber mass production device. The spray nozzle comprises a convex polytetrafluoroethylene perforated plate, stainless steel spray nozzle body fixing nuts, a stainless-steel hollow T-shaped outer spiral pipe, a fluorous rubber sealing pressing ring and a stainless steel liquid tank; a spinning solution passing through a liquid inlet of the liquid tank under driving of an air pump or electric pump can sequentially pass through the hollow T-shaped outer spiral pipe and the stainless steel spray nozzle body fixing nuts and then reach the convex perforated plate, multiple liquid outlet points are formed in jetting pores densely distributed on the perforated plate to form multiple Taylor cones, and the Taylor cones are drawn under the action of a high-voltage electric field and cured into filaments along with volatilization of a solvent. According to the spray nozzle, nano-scale fibers can be continuously and stably prepared, and the different yield requirements can be met by selecting the working ways adopting a single spray nozzle or multiple spray nozzles. The spray nozzle is not only suitable for an electrospinning solution prepared from a waterborne solvent, but also suitable for an electrospinning solution prepared from an organic solvent and is a universal accessory capable of being flexibly applied to an electrostatic spinning technology.
Owner:SOUTHEAST UNIV

Whitening agent for aluminum cell phone battery cover and preparation method of whitening agent

ActiveCN106757094AOvercome the complex process shortcomings of separate cleaning treatmentImprove bindingWhitening AgentsCitric Acid Monohydrate
The invention provides a whitening agent for an aluminum cell phone battery cover and a preparation method of the whitening agent. The preparation method comprises the following steps that firstly, under the normal temperature, the solid raw materials of sodium silicate, sodium gluconate, sodium citrate monohydrate, sodium benzoate and 1-hydroxyethanediphosphonic acid sodium salt are sequentially stirred and dissolved in deionized water, then liquid raw materials of triethanolamine and a bubble-free ampholytic surfactant are added and stirred uniformly, and transparent liquid is obtained; the die-cast aluminum cell phone battery cover can be cleaned through the transparent liquid, and the good cleaning effect is achieved; and the raw materials used in the product formula are all environmental-friendly raw materials, no environment controlled matter components exist, and the product is gentle in performance, environmentally-friendly, free of toxin, simple in manufacturing process, low in cost, free of flavor and good in effect, and discharge is free of pollution to the environment.
Owner:江西瑞思博新材料有限公司

Air purifier with water filtering module

InactiveCN105737292AOvercoming the problem of frequent cleaningOvercome cleaningMechanical apparatusLighting and heating apparatusActivated carbonIndoor air
The invention relates to an air purifier with a water filtering module, comprising a purifying system, an indoor side air supply device A and an outdoor air supply device B. The purifying system comprises the water filtering module and a filtering module; the air supply device A is used for conveying indoor air past an air inlet into the water filtering module and past the filtering module into a room from an air outlet, and the air supply device B is used for conveying outdoor air past an air passage and the air inlet into the water filtering module and then past the filtering module into a room via the air outlet. Indoor air circulation and indoor-outdoor air circulation are formed. The air purifier is novel in design and unique in structure, solving the problem that a common air purifier requires frequent cleaning and filter element and filter mesh replacing; the air enters the water filtering module, most dust such as micro dust particles is removed through water washing, the water is then fed into the filtering module and filtered via an HEPA filter mesh and / or an activated carbon filter mesh, and therefore, purifying effect is good.
Owner:HAINING JUJIAOZHIHUO ENERGY SAVING SCI & TECH CO LTD

Cleaning agent for cleaning cold rolled silicon steel plates

The invention discloses a cleaning agent for cleaning cold rolled silicon steel plates. The cleaning agent mainly comprises the following components in parts by weight: 22-32 parts of sodium hydroxide, 41-56 parts of sodium silicate, 11-18 parts of sodium tripolyphosphate, 0.8-2.8 parts of fatty acid methyl ester ethoxylates, 0.8-2.8 parts of low-carbochain fatty alcohol ether and 0.2-0.4 part of high efficiency organosilicon foam inhibitor. According to the cleaning agent for cleaning the cold rolled silicon steel plates, the defects of poor cleaning effect, high energy consumption, easily-caused operation failure, and the like in the prior art are overcome, and the advantages of good cleaning effect, low energy consumption, and difficulty to cause operation failures are achieved.
Owner:无锡日冠机电制造有限公司

Cleaning agent for cleaning cold rolled silicon steel plate

The invention discloses a cleaning agent for cleaning a cold rolled silicon steel plate; the cleaning agent mainly comprises the following components in parts by weight: 20-32 parts of sodium hydroxide, 41-61 parts of sodium silicate, 13-23 parts of sodium tripolyphosphate, 1-3 parts of alkylphenol polyoxyethylene, 1-4 parts of soap, 0.1-0.4 parts of general organic silicon de-foaming power, and 0.1-0.2 parts of tributyl phosphate. The cleaning agent provided by the invention for cleaning the cold rolled silicon steel plate can overcome the defects that the cleaning effect is poor, the energy consumption is high, and an operation fault is likely to cause, and the like in the prior art, thereby achieving the advantages that the cleaning effect is excellent, the energy consumption is low, and the operation fault is unlikely to cause.
Owner:无锡日冠机电制造有限公司

Washing liquid for cold-rolled silicon steel plate

The invention discloses washing liquid for a cold-rolled silicon steel plate, which mainly comprises the following components in parts by weight: 18-28 parts of sodium hydroxide, 45-55 parts of sodium silicate, 12-17 parts of trimeric sodium phosphate, 1-10 parts of polyethenoxy ether and 0.2-0.5 parts of efficient organic silicon foam inhibitor. According to the washing liquid for the cold-rolled silicon steel plate, the defects in the prior art that the cleaning effect is bad, the energy consumption is high, the operation faults are easy to cause, and the like can be overcome so that the advantages that the cleaning effect is good, the energy consumption is low and the operation faults are not easy to cause are realized.
Owner:无锡日冠机电制造有限公司

Tubular column cleaning device

The invention provides a tubular column cleaning device. The tubular column cleaning device comprises a body and a first cavity; the body extends lengthwise and is provided with a first end and a second end; the first end can be connected with a tubular column; the second end can be connected with a downhole motor; the first cavity is formed in the body, is positioned between the first end and the second end and can be connected with the tubular column; and a first through hole which is connected with the first cavity is formed in a side wall of the body. The first through hole which is connected with the first cavity is formed in the side wall of the body, the first cavity can be connected with the tubular column, so that the tubular column is communicated with annular space, a cleaning passage through which cleaning fluid can flow is formed, the flowing direction of the cleaning fluid can be changed by the cleaning passage, and the purposes of feeding the cleaning fluid in a well from the ground, cleaning the tubular column under the ground and returning the used cleaning fluid to the ground are achieved. Shortcomings that in the prior art, time and labor are wasted, work procedures are complicated, and construction progress is affected when the tubular column is cleaned on the ground, and cleaning efficiency is improved greatly.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2

Alternate replacement type recharge system

The invention discloses an alternate replacement type recharge system. The alternate replacement type recharge system comprises a ditch, a plurality of recharge wells and an extraction device, whereinthe ditch is used as a flow path of a replenishment water source; the multiple recharge wells are independently arranged, the recharge wells are communicated with the ditch, and filter layers are arranged in the recharge wells; and the extraction device is communicated with the recharge wells. The alternate replacement type recharge system is suitable for the conditions that an aquitard is distributed on the ground surface and a continuous sand layer is distributed on the lower portion, water is introduced into the sand layer through the recharge system, the infiltration efficiency is guaranteed, meanwhile, the problems that a traditional out-of-wall filtering device is difficult to clean after being blocked and the recharge efficiency is influenced are solved through alternate replacement type recharge and regular backwashing, and efficient and long-term operation of the recharge wells is guaranteed while the available quantity of underground water resources is increased. Infiltration efficiency is effectively guaranteed, blockage is relieved, practicability is high, uninterrupted recharge can be achieved, recharge efficiency is guaranteed, the construction cost is low, and the system is suitable for wide popularization.
Owner:JILIN UNIV

Method for treating NOx waste gas in preparation process of molecular sieve catalyst

The invention discloses a method for treating NOx waste gas in a preparation process of a molecular sieve catalyst. The method comprises the following steps: 1) introducing an absorbent: introducing the absorbent in a liquid storage tank into a supergravity reactor through a liquid phase inlet of the supergravity reactor, with the absorbent formed by mixing urea and an oxidizing agent; 2) removingNOx: introducing the NOx waste gas generated in the preparation process of the molecular sieve catalyst into the supergravity reactor from a gas phase inlet of the supergravity reactor through a NOxwaste gas exhaust port, and bringing the NOx waste gas into full contact with the absorbent to remove NOx in the NOx waste gas; (3) after NOx is removed, discharging the gas with NOx removed through agas phase outlet of the supergravity reactor, and discharging the absorbent into the liquid storage tank through a liquid phase outlet of the supergravity reactor. The method provided by the invention has the advantages of high NOx removal efficiency, simple steps and low cost, and is suitable for large-scale industrial application; the invention belongs to the technical field of waste gas treatment.
Owner:YUNCHENG UNIVERISTY

Cleaning agent for cold rolled silicon steel plate

The invention discloses a cleaning agent for a cold rolled silicon steel plate; the cleaning agent mainly comprises the following components in parts by weight: 15-29 parts of sodium hydroxide, 40-53 parts of sodium silicate, 13-29 parts of sodium tripolyphosphate, 1-5 parts of polyoxyethylene ether, 0.9-3.8 parts of soap, and 0.3-0.7 parts of efficient organic silicon foam inhibiting agent. The special cleaning agent for cleaning the cold rolled silicon steel plate provided by the invention can overcome the defects that the cleaning effect is poor, the energy consumption is high, and an operation fault is likely to cause, and the like in the prior art, thereby achieving the advantages that the cleaning effect is excellent, the energy consumption is low, and the operation fault is unlikely to cause.
Owner:无锡日冠机电制造有限公司

Cleaning agent for cold rolled silicon steel plate

The invention discloses a cleaning agent for a cold rolled silicon steel plate; the cleaning agent mainly comprises the following components in parts by weight: 16-30 parts of sodium hydroxide, 42-58 parts of sodium silicate, 13-19 parts of sodium tripolyphosphate, 2-12 parts of low-carbon-chain fatty alcohol ether, and 0.3-0.8 parts of high-temperature strong base organic silicon de-foaming power. The cleaning agent for the cold rolled silicon steel plate, provided by the invention, can overcome the defects of poor cleaning effect, high energy consumption, easily occurrence of operation faults and the like, and has the advantages that the cleaning effect is excellent, the energy consumption is low, and the operation fault is not easy to cause.
Owner:无锡日冠机电制造有限公司

Oil removal releaser

The invention discloses an oil removal releaser, which has a discoid shape and comprises a shady side and a sunny side. A conical protuberance is at a center of one side of the shady side, annular grooves and annular bosses are arranged from a near position to a far position of the conical protuberance in an alternative manner, and the other side of the shady side is flat. A circular groove is ata center of the sunny side, annular bosses and annular grooves are arranged from a near position to a far position of the circular groove in the alternative manner, a through hole is arranged at a center of the circular groove, and a solution import is arranged on the through hole position of the other side of the sunny side. The shady side has a welding connection with the sunny side by a plastic column, and a water outlet is arranged at a most outside position of a gap between the shady side and the sunny side. According to the invention, the oil removal releaser allows pressure reduction to be uniform, obstruction to be avoided automatically, operation to be convenient and labor intensity to be reduced, fine bubbles released by the releaser have an average diameter of less than 20 <mu>m, and the oil removal efficiency is improved more than one time. So the releaser can be widely applied to multiple fields, and allows good economic benefits and social benefits to be generated.
Owner:JIANGSU XINGCHEN ENVIRONMENTAL PROTECTION GROUP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products