1601results about How to "Reduce cleaning costs" patented technology

A water-based cleaner is prepared by surfactant primary washing part, alkaline auxiliary washing part, solvent part, preservative and water; wherein the surfactant primary washing part is compounded by anion and nonionic surfactant; the alkaline auxiliary agent part selects trolamine, sodium metasilicate pentahydrate which has dispersive action on dirt and EDTA disodium which has chelation on metallic ions, and excludes phosphate accessory aid which pollutes water quality. The solvent part selectes alcohol, glycol ether or natural orange oil extract D-limonene which have good safety performance, strong solvency and little environmental pollution. The preservative selects food grade preservative propylparaben which is safe and nontoxic. The invention adopts concentrate formula, the preparation method is simple, users can dilute the product according to object to be washed and the degree of dirt, and operate with reasonable using concentration, thus avoiding the waste of washing cost due to excessive concentration and the waste of energy. The inventive water-based cleaner reduces package cost and transportation cost, and has no adverse effect on the environment.

The electronic industrial glass cleaning agent composition belongs to the field of electronic industrial cleaning technology. The cleaning agent consists of sodium metasilicate, sodium hydroxide, sodium carbonate, sodium bicarbonate, Pluronic polyol, CMC, fluoric surfactant, complexing agent, defoaming agent and deionized water. It is used to clean substrate glass and coated conducting glass. During the cleaning, the cleaning agent in 1-5 % is compounded with deionized water in 95-99 % to compound the cleaning liquid for showering or ultrasonic cleaning to eliminate pollutant on glass fastcompletely. It is used to replace strong acid and strong alkali cleaning agent and has no damage to glass surface and no corrosion to ITO film. The cleaning agent has no bad smell, no toxicity and no corrosion, and is safe, reliable, environment friendly and low in cost.

The invention relates to a process for removing impurities from a lepidolite leaching solution. The process is completed by carrying out impurity removal on alumina twice and adjusting pH values for twice. Lithium salt precipitation products are obtained by adding additives to a lithium sulfate solution after impurity removal, and corresponding refined lithium salts can be prepared as required. The process has the advantages that the cost of impurity removal is low, by-products with high added values can be obtained, the extraction rate of lithium is high, various useful components of lepidolite ores can also be fully utilized when lithium salts are produced, and the recycling of resources is realized.

The invention relates to the field of robot invention, and particularly to an automatic glass cleaning robot which comprises an engine base, a first translation mechanism, a second translation mechanism, an adsorption mechanism and a cleaning mechanism, wherein the first translation mechanism and the second translation mechanism are respectively installed on the engine base; the cleaning mechanism is installed on the second translation mechanism; the adsorption mechanism is installed on the first translation mechanism and the second translation mechanism respectively; the first translation mechanism matches the adsorption mechanism to realize the movement of the robot towards a first direction; the second translation mechanism matches the adsorption mechanism to realize the movement of the robot towards a second direction; the second translation mechanism matches the adsorption mechanism and the cleaning mechanism to realize the glass cleaning function of the automatic glass cleaning robot; and the first direction and the second direction are vertical to each other. The automatic glass cleaning robot provided by the invention can realize the free movement of the robot along two vertical directions, the operation is easy and saves both time and labor, the cleaning effect is good, the structure is simple, and the manufacturing cost is low.

The invention relates to a solid and oil removal method and device for MTO (methanol to olefin)/MTP (methanol to propylene) chilled water and washed water. The method disclosed by the invention mainly comprises the following steps of carrying out ultrafiltration membrane separation on MTO/MTP chilled water, feeding an ultrafiltration membrane concentrated solution into a three-phase cyclone-separator separation system, and recovering a catalyst and oil; cooling ultrafiltration membrane permeated liquid, and feeding the obtained liquid back to a chilled water system to cyclically reuse; carrying out ultrafiltration membrane separation on MTO/MTP washed water, feeding an ultrafiltration membrane concentrated solution into the three-phase cyclone-separator separation system, and recovering a catalyst and oil; and cooling ultrafiltration membrane permeated liquid and feeding the obtained liquid back to a washed water system to cyclically reuse. The invention also provides a solid and oil removal device for MTO/MTP chilled water and washed water.

A roller comprising a roller core and a roller covering being composed of an elastomer or elastic plastic material is characterized in that the elastomer or elastic plastic material of the roller covering cadditionally comprises fluorinated polyolefin. Preferably, from 0.2 to 25% by weight of a fluorocarbon plastic, in particular of polytetrafluoroethylene powder or fiber, is incorporated into the roller coating material to improve the ink-repellent properties of the roller covering. In one embodiment, the fluorinated polyolefin is employed in the form of a fibrous material, e.g. a web or the like, provided with the coating material and wrapped around the roller to form a surface layer.

The invention relates to a chemical mechanical polishing solution for large-sized silicon wafers and a preparation method thereof, and the chemical mechanical polishing solution is mainly applied to the ultraprecision machining of large-sized semiconductor silicon substrate slices, and can obtain a nanometer-level ultrasmooth surface. The polishing solution consists of the following components inpercentage by weight: 5 to 50 percent of silicon dioxide abrasive, 1 to 10 percent of pH value regulator, 0.01 to 5 percent of surfactant, 0.01 to 0.05 percent of cleaning auxiliary, 0.01 to 2 percent of chelator and the balance of deionized water; and the silicon dioxide is added in the state of silicasol. Under proper polishing technological conditions, the polishing solution prepared with the components according to the contents can obtain a high-quality polished surface and meet the requirement of the semiconductor industry on the surface quality and removal rate of silicon substrate slices, and moreover, the invention has the advantages of low cost, easy cleaning, low corrosiveness and the like, and has a good application prospect.

The invention provides a method for cleaning a solar streetlight photovoltaic panel. When a photovoltaic panel (4) is cleaned each day, control signals are outputted to the photovoltaic panel (4) and a water sprayer (8) by a self-cleaning controller (11); the photovoltaic panel (4) is rotated with a circle center thereof as an axis under the drive of wind power; the water sprayer (8) is driven to spray water at 360 degrees from the circle center of the photovoltaic panel (4) to the circumference of the photovoltaic panel (4) by a streetlight device power system (10); during the rotation, an upper surface of the photovoltaic panel (4) is contacted with a brusher (9); the brusher (9) is used for brushing dust with the help of water, and then the brushed dust is discharged along the water from a sewer (5); and the photovoltaic panel (4) is rotated circularly so as to finish cleaning.

A cleaning device for atomizing and spraying liquid in two-phase flow comprising a nozzle provided with multiple liquid bypass pipelines each having liquid guiding outlets inclined at a predetermined angle and an exhaust mesh plate having vertical gas guiding outlets, which makes the high speed liquid flow and high speed gas flow sprayed out therefrom collide against each other sufficiently to form ultra-micro atomized particles with uniform and adjustable size. The ultra-micro atomized particles are sprayed out downwardly to the wafer surface under the acceleration and vertical orientation effects of an atomized particle guiding outlet to perform a reciprocating cleaning for the wafer. Other components such as an ultrasonic or megasonic generation unit, a gas shielding unit, a self-cleaning unit or a rotating unit can also be provided to perform the multifunction of the nozzle.

The invention discloses a method for producing monoammonium phosphate and coproducing an N-P binary compound fertilizer by using wet-process phosphoric acid. According to the method, wet-process phosphoric acid prepared from low-grade phosphate ores is used as a raw material. The method comprises the following steps: concentrating and setting the wet-process phosphoric acid to remove impurities; diluting with process water; neutralizing with ammonia twice; filtering twice; concentrating; cooling for crystallization; centrifugally separating; drying to obtain the industrial grade monoammonium phosphate finished product; and mixing acid sludge, the centrifugalized mother liquor, residue and the flushing fluid in a slurry mixing tank, performing spray drying to obtain the N-P binary compound fertilizer. According to the method, wet-process phosphoric acid and gaseous ammonia are directly used as raw materials and the existing related devices in the phosphoric acid industry and resources such as waste heat steam and self power can be utilized, thus the yield of industrial grade monoammonium phosphate can be increased, the output of the byproduct N-P binary compound fertilizer can be reduced, the production cost of industrial grade monoammonium phosphate can be greatly reduced, the industry scale can be enlarged, the adaptability of the equipment can be enhanced, the market demands can be met, the stepped comprehensive utilization of the phosphorus resource can be realized and the economic benefit is higher.

The invention relates to multilevel circulating cleaning equipment for solar cell silicon wafers, which comprises a first rinse tank, a transition rinse tank, a final rinse tank, a water inlet valve, a filter treating pond, a circulating pump, partition embankments and a sewage sump. The partition embankment is arranged in each rinse tank; each rinse tank is divided into a cleaning room and a sewage overflowing room; cleanout fluid overflowed from a rear-way rinse tank is pumped by the circulating pump and is used as cleanout fluid of a front-way rinse tank; sewage overflowed from the outside of the upper surface of each rinse tank flows into the filter treating pond through a flexible pipe for secondary treatment; and the treated cleanout fluid is conveyed to the first rinse tank through the circulating pump and is used as cleanout fluid of the first rinse tank. The actual use of an applicant proves that by the adoption of the multilevel circulating cleaning equipment for the solar cell silicon wafers, the water consumption of cleaning the silicon wafers per ton is only 3 tons, and compared with the conventional cleaning machine, the multilevel circulating cleaning equipment saves water by over 5 tons; and thus the multilevel circulating cleaning equipment has obvious water-saving effect and avoids water resource waste caused by independent water service of the rinse tanks.

According to the network safety risk prediction method and device, the storage medium and the computer equipment provided by the invention, firstly, the initial model parameters obtained after pre-training are updated to the plurality of clients participating in federated learning, and the local risk prediction model is trained by using the updated model parameters; then, each client sends the intermediate model parameters obtained after training to the central server so as to continue to train the preliminary federated learning model; according to the global model obtained by training the model parameters, related safety data does not need to be directly obtained from an enterprise and a user side, so that the cost of cleaning and labeling the obtained data is avoided; besides, the trained global model parameters are deployed at the user client, and the safety risk prediction is carried out according to the network environment where the enterprise user is located, the local safety configuration and other related parameters, so that the accuracy of the enterprise safety risk prediction can be further improved.

A device for removing waste from a surface includes a housing, first and second agitators rotateably attached to the housing, each having an arcuate surface area and rotation in opposite direction. A third agitator is located between the first and second agitators, the third agitator having an arcuate surface area and a counterclockwise rotation. The first agitator transports waste to the second agitator which in conjunction with the third agitator projects debris into a waste container. A method of using the device to remove debris from a surface is also described.

The invention discloses an intelligent pigsty cleaning device and method. The ground of a pigsty is equally divided into a plurality of identical regions in the left-and-right width direction, a wall on the front side of each region and a wall on the rear side of each region are each provided with an automatic rotary water spray device, and each automatic rotary water spray device is connected with an electric regulating valve through a hard water pipe penetrating through the corresponding wall. An embedded controller controls all cameras to monitor the pollution situations of all the regions of the ground regularly in real time, the polluted regions in need of cleaning can be judged out, the electric regulating valves corresponding to the polluted regions are regulated to be in one third opening, rectangular spray nozzles are controlled to spray water at low speed from bottom to top in a rotary mode, and pigs are evacuated to be made to enter the rest of the regions. The embedded controller processes collected images, processing results are matched with preset pigsty ground pollution level thresholds, and the flushing time is determined according to the pollution level; the ground of the pigsty can be flushed comprehensively in a non-dead-corner mode, manual intervention is not needed in the whole process, and therefore the automation degree of pigsty breeding is increased.

The invention discloses a method for cleaning a capsule beverage dispenser, and belongs to the technical field of beverage preparation. The problems that wasting of water is caused in the cleaning process of an existing capsule beverage dispenser and the cleaning effect is poor are solved. The capsule beverage dispenser comprises a machine base with a brewing cavity, a liquid feeding mechanism, an input module and a control module. The control module controls the capsule beverage dispenser to be cleaned according to signals of the input module. The cleaning method includes a first cleaning stage and a second cleaning stage capable of being selected to be executed. The first cleaning stage at least includes a first washing step in which the liquid feeding mechanism leads liquid into the brewing cavity at a first power P1 for cleaning. The second cleaning stage at least includes a second washing step in which the liquid feeding mechanism leads liquid into the brewing cavity at a second power P2 for cleaning. The rated power of the liquid feeding mechanism is PE1, and P1<P2<=PE1. The method disclosed by the embodiment of the invention is used for cleaning the capsule beverage dispenser. The capsule beverage dispenser can be a capsule coffee maker, a capsule soybean milk machine and the like.

The invention discloses a method for recovering lithium from lithium iron phosphate waste materials for preparing cell-level lithium carbonate. The method comprises the following steps: (1) acid soluble oxidation: adding water into the lithium iron phosphate waste materials to prepare pulp, then, adding inorganic acid for dissolving, then adding an oxidizing agent for oxidization, and filtering; (2) residual acid removal: adding lithium iron phosphate waste materials to remove excessive acid in the solution; (3) organic matter removal: adding activated carbon to remove organic matters in the solution; (4) aluminum and magnesium removal: adding calcium compound to regulate the pH (Potential of Hydrogen) of the solution to remove iron and aluminum; (5) evaporation and sodium precipitation: carrying out evaporation and concentration on the solution until Li<+> concentration is 25-35g/l for sodium precipitation; (6) rough removal of calcium: introducing carbon dioxide gas to remove calcium; (7) lithium precipitation: adding soluble carbonate to precipitate Li<+> into the lithium carbonate. The method for recovering lithium from the lithium iron phosphate waste materials for preparing the cell-level lithium carbonate has the advantages of high lithium recovery rate, environment protection, high product purity, simple technology and low production cost and is suitable for industrialproduction.