35results about How to "Prevent re-precipitation" patented technology

The invention provides a high-efficiency concentrated laundry detergent which is composed of the following main active components in parts by mass: 10-15 parts of anionic surfactant, 5-10 parts of nonionic surfactant, 5-10 parts of amphoteric surfactant and 5-10 parts of additive plant soap. The high-efficiency concentrated laundry detergent can remove stains efficiently, and has the characteristics of fine foam, no optical bleacher, excellent flexibility, excellent antibacterial property, high detergent power and low irritation.

The invention discloses a phosphorus-free degreaser. The phosphorus-free degreaser is prepared from the following raw materials in percentage by weight: 10-36 percent of sodium hydroxide, 0-25 percent of potassium hydroxide, 2-4 percent of sodium carbonate, 2-3 percent of sodium citrate, 2-4 percent of sodium gluconate, 0.5-2 percent of poly-aspartic acid, 0.8-3 percent of polyacrylic acid sodium salt, 0.8-4 percent of a nonionic surfactant and the balance of water. According to the phosphorus-free degreaser disclosed by the invention, saponification is carried out on the sodium hydroxide, the potassium hydroxide and oil; the sodium carbonate and the sodium citrate provide an alkaline condition; reaction is carried out on the sodium gluconate, the poly-aspartic acid and metal ions in the oil; and the polyacrylic acid sodium salt and the surfactants are capable of weakening the surface tension of water. A method provided by the invention is used for solving the technical problems of poor stability and environmental pollution of a degreaser in the prior art. The invention provides the phosphorus-free degreaser which is high storage stability and does not contain harmful elements including heavy metals, phosphorus and the like.

The invention discloses leather cleaning, nourishing and care cream, which comprises the following components in percentage by weight: 1 to 5 percent of molecular distilled monoglyceride, 1 to 5 percent of stearic acid, 8 to 15 percent of medical white vaseline, 1 to 5 percent of methyl phenyl polysiloxane, 2 to 6 percent of alcohol 16-18, 1 to 5 percent of coconut water oil-fatty acid-diethanol amide, 0.5 to 2.5 percent of lanolin, 0.2 to 1 percent of diazolidinyl urea, 0.2 to 1 percent of plant essence, 0.2 to 1 percent of aloe liquid, 0.5 to 3 percent of vegetable wax, 0.1 to 0.5 percent of natural zeolite, and 50 to 85 percent of deionized water. The invention also provides a production method for the cream. The cream integrates maintenance and care into a whole, is environment-friendly, has the properties of cleaning and polishing leather and resisting water, cracking, mildew and bacteria, is safe, healthy and natural, does not contain paraffin, is not greasy or sticky, keeps the natural color of the leather, is anti-fouling and clean, and is applied widely.

The invention relates to the technical field of metal-containing hazard waste treatment and comprehensive utilization, and particularly relates to a method for treating tailings after extracting metal from electroplating sludge. The method comprises the following steps: pulping comprehensive sludge, adding sulfuric acid, and leading chromium, cadmium, copper, nickel, zinc and other heavy metals to enter a solution; extracting, performing filter pressing, and washing filter cake with water having a pH value of 0.5 until the washing water is colorless; and performing two-step pickling, press-filtering/alkali-washing and other steps to finally obtain gypsum of which the main ingredient is calcium sulfate dihydrate having dry basis content of more than 75 percent and accords with the requirement of GB/T5483-2008 (second grade), wherein the content of heavy metals including chromium, cadmium, copper, nickel and zinc is lower than the limit value of the national environmental quality standard for soil (third grade), the treated tailings can be directly used in cement manufacture instead of natural gypsum, and the preparation process cannot generate waste water or waste residue and is friendly to the environment.

The invention discloses a dredging device for water environment treatment. The dredging device comprises a dredging tank, a water through port, a filter net, collection tanks, electric valves, a cleaning motor, a lead screw, a connection bearing, a slide block and a cleaning brush; the water through port is formed in the top of the dredging tank; the filter net is installed inside the water through port; the collection tanks are correspondingly arranged on the two sides of the dredging tank; and the electric valves are installed on one sides of the collection tanks. The dredging device for water environment treatment is scientific and reasonable in structure and safe and convenient to use; when a muddy water mixture passes through the filter net, the filter net will allow water in the muddy water mixture to pass through, sludge and sundries are blocked, and the situation that the muddy water mixture flows into water flow and then water quality becomes poor is avoided conveniently; andthe cleaning brush sweeps the sludge and sundries filtered by the filter net into the collection tanks, and the sludge and sundries are conveniently prevented from precipitating in the river bottom after the water flow is static.

The invention discloses an oral cleaning effervescent tablet with functions of diminishing inflammation and arresting bleeding and a preparation method thereof. The effervescent tablet is prepared from the following components in certain parts by weight: aloe leaf, ginkgo, ginkgo leaf, peppermint leaf, honeysuckle flower, wild chrysanthemum flower, lemon essential oil, peppermint essential oil, rosemary essential oil, clove seed essential oil, eucalyptus leaf essential oil, tea tree essential oil, sodium bicarbonate, citric acid, sodium dodecylsulfate, calcium sulfate, adhesive, sweetening agent and sodium stearate. The invention uses a simple method to prepare the oral cleaning effervescent tablet with functions of diminishing inflammation and arresting bleeding, thereby satisfying the increasingly high requirements of people for oral sanitation; a surfactant and a friction producing material are used, so that the oral cleaning effervescent tablet has favorable dirt-removing power; effective pharmaceutical components are introduced to treat and prevent oral inflammation; the oral cleaning effervescent tablet has the advantages of stable properties and outstanding effect; and the test and clinical application prove that the oral cleaning effervescent tablet has obviously curative effect on preventing and treating oral inflammation.

The invention provides an oil well de-blocking agent as well as a preparation method and application thereof. The oil well de-blocking agent is prepared from the following ingredients through being metered by regarding the total weight of the de-blocking agent as 100 percent: 30 to 45 percent of aromatics solvents, 30 to 45 percent of kerosene, 15 to 20 percent of oil soluble penetrating agents and 5 to 10 percent of nonionic surfactants. Compared with the existing oil well de-blocking agent, the oil well de-blocking agent has the advantages that the open flash point can reach a value being 50DEG C or above; the safety is high; the preparation process is simple; the de-blocking efficiency on asphaltene and colloidal sediments is high; the solution after the de-blocking does not need to bedischarged out and can directly enter a ground surface manifold system; safety and environment protection are realized; the de-blocking agent is applicable to the oil well and near-well zone blockingmaterial de-blocking in the oil well mining process.

The invention discloses a raw material blending treatment device for cosmetic production and processing, and belongs to the field of cosmetics. A raw material blending treatment device for cosmetic production and processing comprises a bottom plate, a stirring tank is fixedly connected to the top wall of the bottom plate, a lifting frame is further fixedly connected to the top wall of the bottom plate, a lead screw is rotatably connected to the lifting frame, the top end of the lead screw is fixedly connected with the output end of a first driving motor, the lifting frame is slidably connected with a lifting plate, a first rotating shaft is further rotatably connected to the top wall of the bottom plate, the first rotating shaft is slidably connected with the lifting plate, the top wall of the lifting plate is rotatably connected with a first sleeve, the top of the first sleeve is fixedly connected with a first belt wheel, the other end of the first sleeve is fixedly connected with a gear ring, a second stirring device is arranged on the bottom wall of the bottom plate, and the top wall of the bottom plate is further fixedly connected with feeding devices which are symmetrically arranged about the stirring tank. The stirring is uniform, the interior of the stirring tank can be easily cleaned for use at next time, manual feeding is not needed, the automation degree is high, manpower is saved, and the working efficiency is improved.

The invention discloses environment-friendly degreasant for automobile coating and an application method of the environment-friendly degreasant. The environment-friendly degreasant comprises alkaline matter, an auxiliary cleaning agent, a chelating agent, surfactant and 34%-77% of deionized water. The alkaline matter comprises, by weight, 5%-20% of sodium hydroxide and 10%-25% of potassium hydroxide. The auxiliary cleaning agent comprises, by weight, 1%-3% of sodium carbonate. The chelating agent comprises, by weight, 2%-5% of sodium citrate and 3%-6% of sodium diethylenetriamine pentaacetic acid. The surfactant comprises, by weight, 1%-3% of ester anionic surfactant and 1%-4% of fatty alcohol-polyoxyethylene ether. The environment-friendly degreasant for automobile coating is non-phosphorus alkaline environment-friendly degreasant without phosphorus or nitrogen, has the same degreasing performance with original phosphorus containing alkaline degreasant, and solves the technical problems that in the prior art, due to the fact that phosphorus containing matter exists in the alkaline degreasant, certain difficulty is caused to following process wastewater treatment, and emission and following treatment cost of pollutants are increased.

The invention discloses dip dyeing equipment for a bamboo charcoal fiber fabric. The dip dyeing equipment structurally comprises a control box, a dip dyeing bin, a bottom frame, an observation window and a bin cover, the left end of the control box is installed at the right end of the dip dyeing bin, a motor is arranged in the control box, the upper end of the bottom frame is welded to the lower end of the dip dyeing bin, the observation window is connected to the front face of the dip dyeing bin through a flange, and the bin cover is connected to the upper part of the dip dyeing bin through a hinge. According to the dip dyeing bin, when a heater just starts to operate, before the dye is raised to the coloring temperature, or when the temperatures of the upper part and the lower part of liquid in a dip dyeing cylinder are not consistent, the dye in the dip dyeing bin can be continuously stirred, and the situation that color lakes and color spots are generated on the surface of the fabric due to the fact that the dissolved dye precipitates and cakes again is prevented. By means of a water scooping barrel, more high-temperature steam can be generated in the dip dyeing bin, the temperature above liquid and the temperature below the liquid can be rapidly balanced, the temperature difference is effectively prevented, and the situation that the dyed bamboo charcoal fiber fabric finished product is unqualified due to the fact that the fabric has multiple color differences is avoided.

The invention discloses a long-acting toilet cleaning block, which comprises 10-15 parts of carboxymethyl cellulose, 10-15 parts of sodium alginate, 5-8 parts of hydroxyethyl cellulose ether, 6-11 parts of modified starch, 4-8 parts of chitosan particles, 3-5 parts of ethanol, 10-15 parts of anhydrous sodium sulphate, 5-10 parts of sodium dodecyl benzene sulfonate, 3-5 parts of pigment, 1-3 parts of essence and 1-3 parts of chitosan, and also discloses a preparation method of the long-acting toilet cleaning block. The invention relates to the technical field of toilet cleaning agents, and particularly provides the long-acting toilet cleaning block and the preparation method thereof. The carboxymethyl cellulose and sodium alginate serve as framework materials, the mechanical strength of the toilet cleaning block is effectively improved, and the release speed of active ingredients of the toilet cleaning block is slowed down; the modified starch is added, so that the slow-release, long-acting and biological deodorization bacterium carrier effects are achieved, the ethanol is added, so that the dirt can be effectively prevented from being re-precipitated, and the chitosan has a deodorization effect.

The invention discloses a heat treatment method for pre-aging, re-solid-solution and re-aging of an Al-Cu-Li alloy, belongs to the field of material heat treatment, and aims to perform conventional solid-solution, pre-aging, re-solid-solution and re-aging treatment on an Al-Cu-Li alloy extruded plate by controlling a heat treatment process system and parameters thereof. The conventional solid solution and re-solid solution treatment temperature is 515 +/-10 DEG C, heat preservation is performed for 60-90 min, then water quenching is performed, and the quenching transfer time is shorter than 5s. The pre-aging and re-aging treatment temperature is 160-180 DEG C, heat preservation is performed for 24-48 hours, and the product is taken out for air-cooling. The strength of the alloy can be reduced through re-solid-solution treatment, the plasticity of the alloy is improved, and correction and reprocessing processes are facilitated. The re-aging treatment can effectively regulate and control the variety, density and distribution of precipitated phases, thereby enhancing the strength of the alloy. In addition, due to coarsening of discontinuous grain boundary precipitated phases in the alloy and increasing of the copper content, on the premise that the strength of the alloy is basically not lost, the stress corrosion resistance, the intergranular corrosion resistance and the electrochemical corrosion resistance are improved, and the plasticity of the alloy is improved. The process is simple and feasible and is not limited by the thickness of the plate.

The invention provides a method for preparing coenzyme Q10 microspheres. The method includes the following steps: (1) adding an appropriate amount of sodium alginate aqueous solution to coenzyme Q10 inclusion complex aqueous solution, conducting stirring evenly, and then homogenizing to obtain a homogeneous material; (2) adding the homogeneous material dropwise to calcium chloride aqueous solutionwhile keeping stirring, continuing to stir after dropwise adding, so that the sodium alginate can be fully cross-linked, filtering, washing with water, and drying to obtain the sodium alginate microspheres of coenzyme Q10. In the coenzyme Q10 inclusion complex aqueous solution, inclusion wall material is starch wall material, and the mass ratio of water to the starch wall material is 1: (5-30); and the mass ratio among coenzyme Q10, the starch wall material and sodium alginate is 1: (0.5-10): (0.5-10). The invention also provides the sodium alginate microspheres of coenzyme Q10 prepared by the method. The method of the present invention greatly improves the drug loading capacity and encapsulation rate of the coenzyme Q10, can effectively prevent the coenzyme Q10 from being re-precipitated, and improves slow release effect of the coenzyme Q10.

The invention belongs to the technical field of automobile cleaning apparatuses and provides an automobile fuel tank cleaning device comprising a liquid storage tank, a high pressure pump, a water inlet pipe, a motor, a transmission shaft, a sleeve, a cleaning brush, a connecting rack, a water outlet pipe and a negative pressure pump. The motor is connected with the cleaning brush via the transmission shaft; the sleeve is arranged on the transmission shaft in a sleeving manner; the connecting rack is fixedly connected with the end, close to the cleaning brush, of the sleeve; one end of the water inlet pipe is fixed on the connecting rack and the other end of the water inlet pipe is connected with the high pressure pump; the high pressure pump is connected with the liquid storage tank; one end of the water outlet pipe is fixed to the connecting rack and the other end of the water outlet pipe is connected with the negative pressure pump. The device is simple in structure, convenient to operate, good in cleaning effect and highly practical, and is suitable for promotion in the field.

The invention discloses a backwashing filter, which comprises a device shell, a filtering chamber, a rinsing chamber and rinsing assemblies, wherein the top portion and the bottom portion of the filtering chamber are respectively connected to a water inlet and a water outlet, a filtering screen is arranged inside the filtering chamber, sliding grooves are arranged inside the rinsing chamber, a stretching rod is connected in the rinsing chamber, one end of the stretching rod is connected to a rinsing head, both sides of the rinsing head are connected to sliding blocks, the other end of the rinsing head is fixedly connected to a spraying nozzle, the rinsing head is connected to a rinsing pipeline, the rinsing pipeline is provided with a micro booster pump, the upper portion, close to the filtering screen, of a separation plate is provided with a sewage discharge port, the sewage discharge port is connected to a sewage discharge pipeline, the sewage discharge pipeline is provided with a micro suction pump, and a PLC controller is arranged inside the rinsing chamber. According to the present invention, the backwashing filter has advantages of reciprocating washing, convenient and quickwashing and strong washing force, and is mainly used for backwashing the filtering screen in the filter.