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75results about How to "Cleaning" patented technology

High-efficiency clean resource utilization method for quadratic aluminum dust

The invention discloses a high-efficiency clean resource utilization method for quadratic aluminum dust. The method comprises the following steps: performing low-temperature roasting treatment on quadratic aluminum dust, removing harmful elements such as nitrogen, carbon and fluorine, pulping, washing, desalting and dehydrating the quadratic aluminum dust, removing sodium salt, potassium salt andother impurity components, washing brine and evaporating and crystallizing by utilizing flue gas waste heat. The purified quadratic aluminum dust can serve as a raw material to be directly utilized, and after the quadratic aluminum dust is mechanically mixed with auxiliary materials (calcium-based, silicon-based and magnesium-based), an aluminum based inorganic material is prepared at a high temperature, and the sintering exhaust gas realizes up-to-standard discharge by virtue of dust removal and dry defluorinated purification. According to the technology in the invention, the quadratic aluminum dust can be safely, cleanly and efficiently treated and converted into the high-value aluminum based inorganic material to the greatest degree, and environmental-friendly treatment and high-value resource utilization of the quadratic aluminum dust can be realized.
Owner:GUIZHOU BRANCH CHINA ALUMINUM IND

Degreasing agent used for workpieces, preparation method and workpiece surface spraying pretreatment method

The invention relates to a degreasing agent used for workpieces, a preparation method and a workpiece surface spraying pretreatment method. The degreasing agent includes 3-5% by mass of a component A,3-5% by mass of a component B and the balance of tap water or deionized water, wherein the component A includes deionized water, an inorganic base, a complexing agent and a compounded low-foam solubilizing surfactant, and a mass ratio of the deionized water to the inorganic base to the complexing agent to the compounded low-foam solubilizing surfactant is (65-70):(15-25):(1-2):(8-14); and the component B includes deionized water, a complexing dispersant, a corrosion inhibitor, a low-foam solubilizer, an end-capped/modified isomeric alcohol ether surfactant and a modified polyether, and a massratio of the deionized water to the complexing dispersant to the corrosion inhibitor to the low-foam solubilizer to the end-capped/modified isomeric alcohol ether surfactant to the modified polyetheris (50-70):(1-2):(0-5):(5-10):(8-15):(8-25). The degreasing agent provided by the invention can be used at room temperature during spraying, has an excellent degreasing effect, and does not generatea large amount of foam; and the method for preparing the degreasing agent and the workpiece surface spraying pretreatment method which uses the degreasing agent have simple operation, and are suitablefor mass production.
Owner:佛山科富科技有限公司

Device and method for removing ammonia nitrogen, nitrite nitrogen and COD in marine culture wastewater

The invention discloses a device and method for removing ammonia nitrogen, nitrite nitrogen and COD in marine culture wastewater. A water inlet is formed in the top end of an impounding reservoir of the device and communicated with a water outlet in the upper end of an electrochemical reactor, and a water outlet is formed in the lower end of the impounding reservoir and connected with a water inlet in the lower end of the electrochemical reactor. An anode, a bipolar electrode and a cathode are sequentially arranged in the electrochemical reactor through a peristaltic pump, the anode is connected with a positive electrode of a direct-current stabilized power supply, and the cathode is connected with a negative electrode of the direct-current stabilized power supply. A chemical agent does not need to be added, and thus treatment cost can be greatly reduced; free chlorine is constantly generated in situ at the anode, and thus safety performance is improved; the treatment process is clean and quick, and sludge and secondary pollution are avoided; the ammonia nitrogen, nitrite nitrogen and COD removing speed is high, and efficiency is high; only the current size needs to be controlled, and thus control is easy; the device is simple and convenient to operate and maintain.
Owner:ZHEJIANG UNIV

Dish-washing machine having automatically cleaning and drying and garbage disposal functions

The invention discloses a dish-washing machine having automatically cleaning and drying and garbage disposal functions. The dish-washing machine comprises a box body, wherein a first motor is fixedlyconnected to the bottom of the inner wall of the box body via a motor mounting platform; a speed reducer is fixedly connected to an output shaft of the first motor via a shaft coupling; a first bevelwheel is fixedly connected to an output shaft of the speed reducer; a second bevel wheel is connected to the top of the first bevel wheel in a meshed mode; a rotating shaft is fixedly connected to thesecond bevel wheel via a flat key; a crushing fan is fixedly connected to the top end of the rotating shaft via a flat key; and a dish-washing rack is fixedly connected to the top of an inner cavityof the box body. The invention relates to the technical field of kitchen supplies. With the application of the dish-washing machine having automatically cleaning and drying and garbage disposal functions, a technique integrating rapidly processing, disinfecting and drying tableware can be achieved; and kitchen waste can be processed, so that the sanitation of a user can be guaranteed and the tableware can be kept clean and sanitary; therefore, a problem that the user can feel more comfortable and ease can be solved.
Owner:浙江亨德清洗科技有限公司

Vulva inflammation nursing device for gynaecology

The invention belongs to the technical field of medical apparatuses, in particular to a vulvainflammation nursing device for gynaecology. The vulva inflammation nursing device comprises a tank body and a control system arranged on one side of the tank body, wherein an ozone generator, a heating tank, a clean water tank and a medicament tank are arranged in the tank body; the right side surface ofthe ozone generator communicates with the lower surface of a second catheter through a first catheter; and two ends of the second catheter communicate with the right side surface of the heating tank and a suction end of a power pump. According to the vulva inflammation nursing device disclosed by the invention, through mutual cooperation of the ozone generator, the heating tank, the clean water tank, the medicament tank, the power pump and a sterilizing ultraviolet lamp, when the vulva inflammation nursing device not only can perform fumigation and steaming on the vulva location of a patient,but also has the effect of cleaning and drying; under the assisting effect of the ozone generator and the sterilizing ultraviolet lamp, the sterilizing and disinfecting properties can be improved; andfunctional equipment is integrally combined, so that the total cost of the equipment can be reduce to a certain extent, and besides, the working efficiency of medical personnel can also be improved.
Owner:CHENGDU UNIV

Waste crude oil pipe harmless treatment method

The invention relates to a waste crude oil pipe harmless treatment method. The treatment method comprises the steps that 1, oil removing ball sets are implanted into a waste crude oil pipe, the oil removing ball sets comprise two or more pipe cleaning machines for oil removal which are distributed in the length direction of the pipe at intervals, the portion between the adjacent pipe cleaning machines for oil removal is filled with water, then air is injected into the waste crude oil pipe to push the oil removing ball sets to move forward along the pipe, and crude oil preserved in the pipe is removed; 2, wax removing ball sets are implanted into the waste crude oil pipe, the wax removing ball sets comprise two or more pipe cleaning machines for wax removal which are distributed in the length direction of the pipe at intervals, the portion between the adjacent pipe cleaning machines for wax removal is filled with cleaning agent, then air is injected into the waste crude oil pipe to push the wax removing ball sets to move forward along the pipe, and attached wax and residue crude oil in the pipe are removed; 3, solidifiable slurry is injected into the waste crude oil pipe, and the waste pipe is filled through solidification. The waste crude oil pipe harmless treatment method is low in energy consumption and high in maneuverability and safety, and meets the safe harmless treatment requirements of the waste pipe.
Owner:中石化石油工程技术服务有限公司 +1

Blended yarn impurity removal and transporting mechanism

The invention discloses a blended yarn impurity removal and transporting mechanism which comprises a box body, a transporting mechanism body and an impurity removal mechanism, wherein landing legs are arranged at the bottom of the box body; the transporting mechanism body and the impurity removal mechanism are arranged in the box body; a first support plate and a second support plate are in sliding fit with a yarn feeding press roller through a first connecting shaft; a sleeve is arranged on the first connecting shaft in a sleeving manner; the sleeve is connected with the bottom end of a telescopic rod; the top end of the telescopic rod is connected with the top surface of the box body; a first spring is arranged on the telescopic rod in a sleeving manner; the first support plate and the second support plate are rotatably connected with a yarn feeding rotary roller through a second connecting shaft; the yarn feeding press roller is right above the yarn feeding rotary roller; a third support plate is rotatably connected with a yarn guiding rotary roller through a third connecting shaft; and a fourth support plate is rotatably connected with a driving rotary roller through a fourth connecting shaft. The blended yarn impurity removal and transporting mechanism can compress and transport blended yarn to enable the blended yarn to be fully unfolded during the transporting process and ensure the transporting broad width of the blended yarn, is cleaner and more comprehensive in blended yarn impurity removal and higher in efficiency.
Owner:徐州嘉搏纺织股份有限公司

Secondary rock breaking drill bit for assisting pressurizing flow back through spiral blade

The invention provides a secondary rock breaking drill bit for assisting pressurizing flow back through a spiral blade. The secondary rock breaking drill bit comprises a drill bit body, the blade anda cone; the blade is arranged at the top end of the drill bit body, and the blade and the drill bit body are of an integrated structure; and a gauge protection part is arranged on the outer wall of the blade. Through improvement for the rock breaking drill bit, primary cutting is conducted at the bottom of the drill bit to form primary rock debris, the rock debris returns to the cone under carrying flow back of a well-drilling fluid, the cone can conduct secondary breaking, the spiral blade slides in the longitudinal direction to be in surface contact with the well wall, a surface contact modeof the spiral blade is far greater than a line contact mode of a traditional straight blade, longitudinal vibration in the well-drilling process can be reduced, the rock debris generated by cutting of the drill bit flows back upwards under the action of vertical component force of the spiral face, fluid carrying the rock debris generates reactive force on the spiral blade surface, the drill bit can be pressurized, and thus the problems and deficiencies proposed in the background technology are effectively solved and overcome.
Owner:LANZHOU CITY UNIV

Self-rotation type blockage-proof farmland water conservancy irrigation device

The invention discloses a self-rotation type blockage-proof farmland water conservancy irrigation device, and relates to the technical field of water conservancy irrigation. The device comprises a base, wherein the bottom face of the base is provided with a lifting mechanism, the left side of the upper surface of the base is fixedly connected with a first water pump, an input end of the first water pump is fixedly communicated with a first water inlet pipe, an output end of the first water pump is fixedly communicated with a second water inlet pipe, a blockage-proof mechanism is arranged abovethe base, an output mechanism is arranged above the blockage-proof mechanism, and the right side of the output mechanism is provided with a power mechanism. The self-rotation type blockage-proof farmland water conservancy irrigation device has the advantages that the filtration of a filter plate is utilized to perform primary filtration on a water source so as to prevent the blockage of an outputpipe caused by larger impurities in the water source, a stirring rod can be driven to rotate through the rotation of a first motor, thereby stirring the water source and preventing the blockage of the output pipe caused by the precipitation of fine sand in the water resource, so that the device has a blockage-proof function and improves the irrigation efficiency.
Owner:朱赵伟

Cleaning and cutting all-in-one equipment for vegetable processing

The invention discloses cleaning and cutting all-in-one equipment for vegetable processing. The cleaning and cutting all-in-one equipment for vegetable processing comprises a frame, a belt, cam-link mechanisms, a crossbeam and a cleaning pipe. A rotary shaft is mounted in the frame. A driven wheel is mounted on the rotary shaft. A driving motor is mounted on the lower portion of the rotary shaft.A driving wheel is mounted at the rotary shaft end of the driving motor. The driving wheel is in transmission connection with the driven wheel through the belt. The two ends of the rotary shaft are connected with the cam-link mechanisms mounted on the two side faces of the frame. Each cam-link mechanism comprises an outer cover, a cam, a roller driven part and a damping connecting rod, wherein thebottom of the damping connecting rod is inserted into the outer cover, the bottom end of the damping connecting rod is connected with the roller driven part arranged in the outer cover, and the roller driven part is arranged above the cam. The upper ends of the two damping connecting rods are connected with the two ends of the crossbeam through connecting blocks. The cleaning and cutting all-in-one equipment for vegetable processing has cleaning and cutting functions and is high in processing efficiency and convenient to use.
Owner:徐州佳联农业发展有限公司

Method for comprehensive utilization of wet zinc smelting kiln residues and contaminated acid

The invention discloses a method for comprehensive utilization of wet zinc smelting kiln residues and contaminated acid and belongs to the technical field of comprehensive utilization of resources. The method utilizes wet zinc smelting kiln residues as raw materials and contaminated acid produced by a non-ferrous smelting enterprise as a leaching agent, and comprises orderly carrying out arsenic hydrolysis and precipitation, oxidative leaching and acid leaching so that iron, zinc, copper and arsenic in the zinc kiln residues enter the leaching solution and silver is enriched in the leaching residues, oxidizing the leaching solution into scorodite so that arsenic in the solution is separated and solidified, adding iron powder or copper powder into the solution after arsenic precipitation toobtain copper precipitates, adding zinc kiln residues into the solution after copper precipitation for arsenic hydrolysis and precipitation, conveying the treated water into a sewage treatment plantand carrying out treatment. The method can fully utilize the composition characteristics of the wet zinc smelting kiln residues and contaminated acid, realizes separation and recovery of valuable metals in the zinc kiln residues and realizes cleaning treatment on contaminated acid.
Owner:KUNMING UNIV OF SCI & TECH
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