66results about How to "Degreasing thoroughly" patented technology

The invention discloses a sewage treatment process combining electroflotation and electric flocculation. The sewage treatment process involves the electric flocculation and the electroflotation, and sewage passes through the electric flocculation and then enters the electric flocculation for treatment; the electric flocculation includes the following steps: (1) breaking bonds; (2) performing oxidation reduction; and (3) performing flocculation and precipitation; and the electroflotation comprises the following steps: (1) when electrolyzed wastewater electrolyzes, bubbles are generated on the surface of positive and negative plates, and precipitated and floated up; (2) the bubbles are attached to impurity particles and oil in water and float to the surface of the water, and then the floating impurity particles and oil are drained by a scum channel to a sludge tank; and (3) the lower layer of an air flotation water tank is provided with a mud discharging pipe that discharges part of settled sludge according to setting time. The process of the invention utilizes a principle of electrochemistry, generates an electrochemical reaction by applying high voltage, converts electrical energyinto chemical energy, performs oxidation and reduction reactions on organic or inorganic pollutants in wastewater, then performs agglomeration and floatation and removal, thereby removing pollutants from the a water body, and can effectively remove various heavy metals and various harmful pollutants in the wastewater.

The invention relates to a purifier, in particular to an oily fume purifier used in a kitchen. The oily fume purifier comprises a fan, an oily fume purification system and a fixing frame, wherein the fan and the oily fume purification system are fixedly arranged on the fixing frame, and the fan is arranged at an inlet of the oily fume purification system. The oily fume purifier is characterized in that the oily fume purification system comprises two cyclone separators in serial connection, an oily fume filter unit and a grease container, wherein an air inlet of the first cyclone separator is connected with the fan, an air outlet of the second cyclone separator is communicated with the oily fume filter unit, and the grease container is arranged under a separation material outlet of the first cyclone separator. The oily fume purifier adopting the technical scheme has a simple structure, can be used for purifying kitchen oily fume and can also be used for recovering waste grease from the oily fume.

The invention discloses a low-foam cleaning agent for metal cleaning. The low-foam cleaning agent for metal cleaning comprises the raw materials of modified triethanolamine, coconut oil fatty acid diethanolamide, sodium gluconate, sodium carbonate, alpha-vinyl sodium sulfonate, borate, polyternary carboxylate, alkyl glycoside, dodecyl dimethyl betaine, and a penetrating agent. The low-foam cleaning agent for metal cleaning is stable in performance, and has the advantages of low foam, high oil removing efficiency, thorough oil removal and easy rinsing.

The invention discloses meat powder production equipment and technology. The technology comprises the following steps that animal tissue organs are subjected to washing, icebreaking, high-temperaturesteaming and squeezing and defatting treatment to produce meat powder and an oil-water mixture, wherein meat powder is subjected to baking and cooling, and then the cooled meat powder is bagged and warehoused; after the oil-water mixture is subjected to oil-water separation, oil is stored in an oil storing tank, water is transported to a waste water recovery utilization system to be subjected to ossein protein extraction, then the treated water is returned into a drying tank; and in the process, waste gas generated in the high-temperature steaming, meat powder baking and meat powder storing istreated through deodorizing equipment and then is exhausted, dust generated in the cooling process of the meat powder is removed through a bag dust collector. According to the meat powder productionequipment disclosed by the invention, high proteins in raw materials are sufficiently extracted, recovery utilization of the waste water is realized, the running off of nutrient components is avoided,and cost is saved; and the automation degree is high, and the production efficiency is greatly improved.

The invention relates to microwave oven cleanser and a preparation method thereof. As oil dirt on an inner wall of a microwave oven is more stubborn, a cleaning effect of a traditional cleaning method is not ideal. The microwave oven cleanser disclosed by the invention is prepared from a non-ionic surface active agent, a safe environment-friendly solvent, a rheology modifier, an oil dirt redeposition resisting agent, an acid-base conditioning agent, a general addition agent and deionized water; the microwave oven cleanser is moderate, free of stimulation, safe, free of toxin, convenient to use, green and environment-friendly; the microwave oven cleanser is a product which can fully remove stubborn oil dirt and is specially applied to cleaning the microwave oven. The microwave oven cleanser disclosed by the invention has a moderate formula and avoids corroding a coating and a device; secondary cleaning is facilitated by adding an oil dirt redeposition resisting technology; by means of a gel state, the microwave oven cleanser has long retention time, can fully remove oil and can provide a clean cooking environment.

The invention discloses a range hood wind wheel structure capable of removing oil by electrical heating. The wind wheel structure is characterized in that each wind wheel blade is coated with an electroconductive heating layer; an electroconductive ring in full contact with the electroconductive heating layers is arranged on each of wind wheel hubs on two sides; the electroconductive rings are connected with rotor brushes through a wire; the stator brushes of a motor are connected with an external circuit. Therefore, a wind wheel coated with the electroconductive heating layers is connected with an electric current circuit. During use, oil dirt on the surfaces of the blades are softened or even molten by heat generated when an electric current flows through the electroconductive heating layers on the blades, and the wind wheel rotates to generate a centrifugal force to remove the oil dirty attached to the wind wheel away from the wind wheel, so that the purpose of cleaning the wind wheel automatically is achieved. The range hood wind wheel structure is simple in design and long in service life, can remove oil thoroughly without potential safety hazards, and can be widely applied to various range hoods.

The invention discloses a method for manufacturing an electroplating diamond grinding wheel. The method comprises the steps of fixture assembly, normal-temperature degreasing, ultrasonic degreasing, alkaline electrolytic degreasing, acidic electrolytic degreasing, hydrochloric acid activation, sulfuric acid activation, pre-plating, diamond inlaying, coating thickening and hot water rinsing. The method disclosed by the invention improves a pre-treatment degreasing process and an activation process, and provides an optimum plating solution formula so as to improve the binding force between a coating and a matrix and increase the clamping force of the coating to a diamond, thus improving the grinding and cutting force and durability of the grinding wheel.

The invention provides a method for preparing writing brush hair from animal fur waste. The method comprises the following steps of (1) conducting color separation, screening and impurity removal on the animal fur waste; (2) cleaning the pretreated animal fur through aerial fog spray-washing and conducting vacuum drying on the animal fur; (3) adding the cleaned animal fur into compound alkaline liquor for treatment at 60-80 DEG C for 2-4 h, adjusting the PH to be 7, conducting filtering immediately to obtain blank hair, and then conducting washing and drying on the blank hair; (4) adding the blank hair into a dye solution for dyeing at 50-70 DEG C for 3-5 h, then adding tryptophan and a color fixing agent, keeping heat preservation treatment for 30 min, adjusting the PH to be 7, and taking out, washing and drying the blank hair; (5) conducting ageing; and (6) conducting high-temperature cooking and softening. According to the method, an animal fur leftover material is adopted as a raw material for production of writing brush hair; resources can be repeatedly utilized; the production cost is lowered; and a manufactured writing brush is fluent in writing, high in degreasing degree and large in ink absorption amount.

The invention provides a floating oil absorbing device, which comprises an oil absorbing disc. The oil absorbing disc comprises a floating cylinder, an oil absorbing steel pipe and an oil absorbing flexible pipe. An oil outlet of the oil absorbing steel pipe is connected with an oil inlet of the oil absorbing flexible pipe, and the other end of the oil absorbing steel pipe penetrates into the floating cylinder to be connected with the bottom of the floating cylinder. The floating cylinder enables the floating oil absorbing device to float in water, and an oil suction port of the floating oil absorbing device is located on a floating oil layer on the liquid level to avoid absorbing air or too much water. The oil absorbing flexible pipe can stretch with fluctuation of the liquid level of a water tank, the distance between the oil absorbing port of the floating oil absorbing device and the floating oil layer to be controlled at the best oil absorbing distance, and labor for manually adjusting the position of the oil absorbing port of the floating oil absorbing device is saved. The floating oil absorbing device is provided with an oil separation filtering board, and is capable of separating impurities in floating oil from the oil absorbing device. The length of the oil absorbing steel pipe and the oil absorbing flexible pipe is lengthened, the oil absorbing disc can be moved to the position with the floating oil in floating oil cleaning, and labor consumed by transportation of the oil absorbing device is reduced. The floating oil absorbing device improves oil absorbing efficiency, is convenient to use and can completely remove oil.

A method for removing the oily dirt from the surface of aircraft tube by degreasing agent includes such steps as immersing the aircraft tube in the degreasing agent at 50-95 deg.C for 2-60 min, flushing its external surface by high-pressure water, filling the filler in the aircraft tube, and flushing the inner surface by high-pressure water. Said filler is chosen from foam, plastics and chemical fibers for increasing friction.

The invention discloses an environment-friendly nontoxic normal-temperature composite degreasing adsorbent for metal electroplating pretreatment. Each liter of the environment-friendly nontoxic normal-temperature composite degreasing adsorbent contains the following raw materials in parts by weight: 2.6-2.8 of isomeric alcohol polyoxyethylene ether, 3.4-3.7 of FMES, 1.4-1.7 of dodecyl glucoside, 4-5 of a polyethylenimine solution, 0.6-0.7 of sodium hydroxide, 3.3-3.4 of sodium citrate, 0.5-0.7 of sodium nitrate, 1.2-1.4 of aniline, 2-4 of orange oil, 2-3 of corn starch, 4-6 of quartz sand, 7-9 of sorghum stalks, 0.6-0.8 of mashed apple and a proper amount of water. A novel metal degreasing agent integrated with degreasing property, corrosion resistance and filterability is prepared by compounding the isomeric alcohol polyoxyethylene ether and the FMES, adding the compound into the raw materials, adding mixed filler with high adsorptivity and matching the mixed filler with other effective adjuvants, has the characteristics of environment friendliness, nontoxicity, degreasing thoroughness, high cleaning speed as well as energy and labor saving and brings great convenience for factory production.

An oil removal device for removing oil from a stream (103) of oil-separated sample droplets (104) is disclosed. The oil removal device comprises a sample delivery channel (101) for conducting the stream of sample droplets to an outlet (102). A porous, hydrophobic and oleophilic absorber element (106) is arranged at the outlet of the sample delivery channel so as to absorb the oil phase (105) from the stream of oil-separated sample droplets. The oil removal device can be used in two-dimensional separation techniques such as LC-MS, LC-CE, CE-CE etc.

The invention discloses an electroplating device, which is used for electroplating a bus and comprises a degreasing system, a first water-washing air-drying system, an acid-washing system, an electroplating system and a second water-washing air-drying system. The degreasing system is used for removing greasy dirt on the surface of the bus, the first water-washing air-drying system is used for removing surface residue of the bus, the acid-washing system is used for removing surface oxide of the bus, the electroplating system is used for electroplating treatment, and the second water-washing air-drying system is used for removing surface residue of the bus. The invention further discloses an electroplating method of the electroplating device, and efficiency and effect of electroplating are improved.

The precision filter element for internal combustion engine lubricating oil is produced with 49-100 mesh wood residue and 15-40 mm length cotton in the ratio of 100 to 5-40, and through mixing, defatting, rinsing, compression to form and stoving at negative pressure. It has simple production process, low cost, high filtering effect and small initial resistance, and is suitable especially for filtering lubricant oil.

The present invention discloses a deoiling apparatus for cooling waste gas of a TRT bearing box. The deoiling apparatus is characterized in that: the deoiling apparatus comprises a tank; the tank is provided with a gas inlet and a gas outlet; an oil baffle is arranged inside the tank in a gas entering direction of the gas inlet; deoiling plates are arranged on the front part of a gas exhaust pipe along a gas flowing direction. Compared to the prior art, with the deoiling apparatus of the present invention, the lubricating oil carried by the waste gas is recovered so as to reduce the complement amount of the oil, avoid the waste, and effectively eliminate the pollution.