41results about How to "Ease of handling emissions" patented technology

The invention relates to a reusable supercharging superheat steam drying method and a device which consists of a multi-stage drying system. The first stage drying is supercharging superheat steam drying, gas circulated in the system is superheat steam, wet materials are discharged out of the drying system after being heated and dehydrated by the superheat steam, the steam generated by moisture in the system is circulated in the system and provides heat to dry the wet materials after being heated by a heat exchanger. The superheat steam beyond the need of system circulation is discharged from the first stage drying to the next stage drying and is used as the heat source of the next stage drying. The second stage drying and each subsequent stage drying (except the last stage drying) are carried out by a supercharging indirect superheat steam drier with an internal heating device, which utilizes the superheat steam from the previous stage drying to dry the wet materials indirectly. The wet materials are discharged out of the drying system after being heated and dehydrated by the superheat steam, and the superheat steam from the previous stage drying is condensed into condensate water and then is discharged out of the drying system.

The invention provides non ferrous metal derusting cleaning agent which includes phosphate, surface active agent, pH value regulator and de-ionized water. The weight percentage of each component is as follows: 5 to 10 percent of phosphate, 5 to 10 percent of surface active agent, 1 to 6 percent of pH value regulator and the rest is the de-ionized water. The pH value of the mixed liquid is ranged from 11 to 12; the non ferrous metal derusting cleaning agent has the effects of high efficiency and easy cleaning to non ferrous metals to lead the rusty spots on the surfaces of the non ferrous metals to be completely cleaned, can prevent the surfaces of the non ferrous metals from forming rusty spots again, can also shorten the cleaning time and improve the working efficiency; the non ferrous metal derusting cleaning agent is water-soluble cleaning agent, convenient for the processing and drainage of the wasted liquid after cleaning and accords with the requirements for environment protection; besides, the corrosion property to device is low; the production cost is effectively reduced; besides, the non ferrous metal derusting cleaning agent is safely and reliably used.

The invention relates to pressurizing superheat steam drying method and device with an inner heater and capable of being reused, in particular to a novel drying technology which has high efficiency and energy saving and higher energy utilization efficiency except all the advantages of superheat steam drying. The pressurizing superheat steam drying system with the inner heater and capable of being reused comprises a multi-level drying system; drying of each level is pressurizing superheat steam drying; a dryer of each level is a fluidized bed dryer with the inner heater; high-temperature and high-pressure steam needed by drying is only provided for a first-level drying system; energy needed by second-level drying and the drying of other levels is provided by superheat steam generated by previous-level drying; the steam needed by the drying of each level is condensed into condensate water by wet materials in the drying of each level and then discharged out of the drying system; only the steam generated in the last-level drying is discharged out of the drying system in a tail gas way; the steam generated in the drying of each level not only meets the need of self circulation, but also enters the inner heater of the fluidized bed dryer of a next level to provide heat for wet material drying; and steam discharged materials generated in the last-level drying not only meet the need of the self circulation, but also are discharged out of the drying system.

The invention relates to a cleansing agent for semiconductor industry. The cleansing agent comprises the following compositions according to the weight percentage: 0.2-1 portion of a main agent, 5-15 portions of a surface active agent, 3-8 portions of an antistatic agent, 3-5 portions of a synergistic agent, 3-8 portions of an organic solvent, and the rest being de-ionized water. The cleansing agent has the technical effects as follows: (1) dosage of the solvent and the surface active agent is reasonably arranged in the cleansing agent, so that surface tension of the cleansing agent is greatly reduced, while the cleansing agent has the advantages of good water solubility and strong permeability; (2) the chemical reagents adopted in the cleansing agent does not pollute environment, can not be easily combusted, and belongs to an ozone-friendly substance, and the waste liquid after cleansing is easy to treat and discharge, thereby meeting the requirements of environmental protection and the 'three wastes' discharge; and (3) the preparation process is simple, the operation is convenient, and the application is safe and reliable.

The invention provides a zinc-nickel alloy trivalent chromium black passivation solution and a preparation method thereof. The preparation method comprises the following steps of 1, preparing a solution A; 2, preparing a solution B; and 3, preparing a working solution. In the step 1, chromium sulfate or chromium nitrate, cobalt nitrate, malonic acid and citric acid are provided, the balance of water is added into the mixed solution formed by the components to carry out reaction, and the solution A is obtained; and in the step 2, nitric acid, formic acid and glycine are provided, the balanceof water is added into the mixed solution formed by the components for stirring and dissolving so as to obtain the solution B; and in the step 3, the deionized water is mixed with the obtained solution A and the solution B, and is uniformly stirred to obtain the zinc-nickel alloy black trivalent chromium passivation solution. The passivation solution is simple in composition, and no hexavalent chromium, no fluorine and phosphorus are contained in the whole production process, the passivation solution is more environment-friendly, and wastewater treatment and emission are facilitated.

The invention provides a method for leaching calcium and strontium by using low concentration hydrochloric acid to chemically separate Weishan Lake rare earth concentrate. The method comprises the following steps: immersing the Weishan Lake rare earth concentrate in the low concentration hydrochloric acid, and heating the obtained solution to perform a reaction; adding the Weishan Lake rare earthconcentrate to a filtered leachate, heating the obtained solution to perform a reaction, carrying out solid-liquid separation, discharging the obtained liquid, and reusing the obtained solid phase. The grade of the Weishan Lake rare earth concentrate is improved to 50% from 40%, 90% of calcium carbonate and 85% of strontium carbonate in the Weishan Lake rare earth concentrate are efficiently leached out, the rare earth loss rate of below 1% is ensured, a discharged acid leaching waste liquid only contains calcium chloride, strontium chloride and a small amount of iron chloride, and wastewatertreatment is easy.

The application discloses a waterborne antirust agent, which is prepared from the following raw materials in parts by weight, 15-95 parts of alkyd resin, 25-76 parts of cycloalkyl base oil, 25-70 parts of acrylic resin, 24-85 parts of waterborne acrylic emulsion, 34-75 parts of fatty acid amide, 35-95 parts of a silane coupling agent, 25-85 parts of polyisobutene, 20-45 parts of polyvinyl chlorideresin, 15-75 parts of glutamic acid and 10-85 parts of an antistatic agent. Therefore, the antirust agent is longer in rust protection time, and can prevent rusty spots from forming on the surface ofa material again after being used; the waste antirust agent can be conveniently disposed and discharged; the waterborne antirust agent meets the environmental protection requirements, is free from pollution to equipment, is non-corrosive, effectively lowers the production cost, and is safe and reliable to use.

The invention provides a metal aluminum material cleaning agent. The metal aluminum material cleaning agent comprises, by weight, 3-10% of a silicate, 5-10% of a phosphate, 5-10% of a surfactant, 1-6%of a pH adjusting agent and the balance of deionized water. The mixed solution has pH of 11-12, has efficient effects of easily cleaning the metal aluminum material, thoroughly cleans oil stain and rust on the surface of the metal aluminum material, prevents rust pots on the surface of the metal aluminum material, shortens cleaning time and improves work efficiency. The metal aluminum material cleaning agent is a water-soluble cleaning agent. The cleaning waste liquid is easy to treat and discharge, satisfies the environmental protection requirements, has low corrosion of equipment, effectively reduces the production cost and is safe and reliable in use.

The present invention discloses a metal equipment cleaning agent, which is prepared from the following raw materials by weight: 5.3-8.5 parts of tetrahydroxy ethylenediamine, 2.5-5.8 parts of polyol polyoxyethylene ether carboxylic ester, 3.5-8.6 parts of sodium hydroxide, 1.8-2.5 parts of a penetrating agent, 5.5-6.8 parts of nonylphenol ether methyl phosphate ethanolamine salt, 3.3-5.6 parts of a stabilizer, and 6.2-9.5 parts of lysine. According to the present invention, the formula is scientific and reasonable, the production process is simple, and the raw materials are only required to be mixed at a room temperature without the special equipment; characteristics of strong cleaning ability, short cleaning time, manpower saving, working hour saving, work efficiency improving, rust removing and rust resistance are provided; the metal equipment cleaning agent is alkaline, and has characteristics of low corrosion on equipment, safe and reliable use, and easily equipment cost reducing; and the metal equipment cleaning agent is a water-soluble liquid, the waste liquid after cleaning is easily treated and discharged, and environmental protection requirements are met.

The invention provides a water-saving device for secondary utilization of water resources and a use method of the water-saving device, and provides the following scheme aiming at the problems that an existing water-saving device for secondary utilization of the water resources is inconvenient for rapid and stable filtration, automatic detection of water quality, automatic and intelligent dosing and rapid mixing treatment. The water-saving device for secondary utilization of water resources comprises a treatment box and a filter box, the filter box is fixedly mounted at the top of the treatment box, the same automatic dosing treatment mechanism is arranged on the filter box and the treatment box, and a centrifugal quick filtration mechanism and a vibration coarse filtration mechanism matched with the centrifugal quick filtration mechanism are arranged on the filter box. The device is convenient for automatically detecting the water quality and automatically and intelligently adding a treatment agent, is convenient for automatically and intelligently controlling, treating and discharging, is convenient for realizing vibration rough filtration, centrifugal rotation fine filtration dehydration and stirring mixing through single driving, and improves the filtration treatment efficiency, the filtration stability and the water-agent mixing uniformity. The purposes of rapid and stable filtration and rapid mixing treatment and recovery are achieved, and automation is high.

The invention discloses a cleaning agent for metal parts of environment-friendly machines and relates to the field of cleaning agents for metal parts. Rust and oil stains on the surfaces of the metal parts can be effectively removed, rust-proof corrosion-resisting layers can be formed on the surfaces of the metal parts, cleaned metal is not damaged and is invariant in color, the cleaning agent is safe and reliable and is water-soluble liquid, and waste liquid left after cleaning is convenient to treat and discharge and meets the requirement for environment protection.

The invention discloses a corrosion-free cleaning agent for metal surfaces. The corrosion-free cleaning agent is prepared from the following raw materials in parts by weight: 1.5-2.8 parts of chloro-m-xylenol, 0.8-2.3 parts of defoamer, 1.2-3.4 parts of potassium diphosphate, 1.2-1.5 parts of deionized water, 1.5-2.8 parts of hydrocarbyl acetic acid, 3.1-6.4 parts of sodium thio-succinate, 3.5-6.7 parts of polyvinyl pyrrolidone and 4.5-5.8 parts of hydrophobic modified thickener. The corrosion-free cleaning agent has the beneficial effects that the surface tension of water can be remarkably lowered, so that the surface of a workpiece can be easily wetted and is strong in seepage force; the interface condition between oil stains and the workpiece can be more effectively changed, so that oil-in-water type granules are formed by the oil stains through emulsifying, dispersing, rolling and solubilization and are cleaned; the formula is scientific and reasonable, the foam is little during cleaning, the cleaning capability is strong, the continuity is good, the speed is high, and the service life is long.

The invention discloses a copper pipe outside surface cleaning agent. The copper pipe outside surface cleaning agent is composed of the following raw materials including 80-120 parts of acetic acid, 25-30 parts of ethyl alcohol, eight-nine parts of sodium hydroxide, 10-15 parts of butanone, 12-13 parts of xylene, 10-12 parts of ethylene glycol monomethyl ether, five-eight parts of ethyl acetate, 20-25 parts of trichloroacetic acid, 25-28 parts of chloroacetic acid, 20-25 parts of dichloromethane, five-eight parts of 8-hydroxyquinoline, three-five parts of potassium pyrophosphate, 6-10 parts of methyl benzotriazole, five-10 parts of phosphonic acyl glycolic acid and five-eight parts of myristyl dimethyl benzyl ammonium chloride. The copper pipe outside surface cleaning agent is strong in dirt-removing ability, moderate in volatilization, thorough in volatilization, free of corrosive effect on copper metal, clean in cleaning, high in cleanliness, convenient to treat and discharge after cleaning, capable of according with the environmental protection standard and safe in use.

The invention discloses an environment-friendly automobile hub antirust agent. The environment-friendly automobile hub antirust agent comprises, by weight, 20-95 parts of calcium stearate, 10-60 partsof oxalic acid, 25-55 parts of phytosterol, 15-70 parts of 1-hydroxybenzotriazole, 20-70 parts of chlorhexidine hydrochloride, 20-75 parts of barium sulfate, 35-110 parts of chlorinated paraffin, 15-40 parts of calcium hydroxide, 10-80 parts of sodium acetate and 15-60 parts of sodium alga acid. Accordingly, the antirust agent is long in antirust time, and rust spots can be prevented from being formed on the material surface again after usage; and treatment and discharging of the waste antirust agent are convenient, the environment protection requirement is met, no pollution and no corrosionare caused to equipment, the production cost is effectively reduced, and usage is safe and reliable.

The invention relates to a high temperature-resistant textile product. The high temperature-resistant textile product comprises a textile product body and a flame-resistant arrangement material, wherein the flame-resistant arrangement material is cured in fiber gaps and fiber surfaces of the textile product; the flame-resistant arrangement material comprises a magnesium hydroxide flame retardant and a crosslinking agent; 5 to 8wt% of magnesium hydroxide flame retardant is cured into the textile product; the crosslinking agent is dicumyl peroxide, and 0.8 to 2wt% of dicumyl peroxide is cured into the textile product. A preparation method comprises the following steps of adding the magnesium hydroxide flame retardant and the dicumyl peroxide crosslinking agent into pure water according to acertain ratio, so as to prepare an arrangement liquid; putting the textile product into the arrangement liquid, and padding; drying by a special method, drying, cleaning, and the like. The high temperature-resistant textile product has the advantages that the flame-retardant ability is realized and is lasting, the washing-resistant property is realized, and the adding of halogen, organophosphor orformaldehyde is avoided in the production process.

The invention discloses an environment-friendly antirust agent for bicycle chains. The environment-friendly antirust agent for bicycle chains comprises the following components in parts by weight: 15to 80 parts of sulfur, 30 to 120 parts of a potassium nitrite solution with the concentration of 30%, 25 to 80 parts of acrylic resin, 20 to 90 parts of boron nitride, 30 to 90 parts of sodium sulfonate, 40 to 80 parts of glycerol methyl ether, 50 to 120 parts of ammonium phosphate, 20 to 80 parts of silicon dioxide, 10 to 50 parts of a flatting agent and 20 to 55 parts of sodium nitrite. Therefore, the antirust agent is relatively long in antirust time, and rust can be prevented from being formed on the surface of the material again after the antirust agent is used; a waste antirust agent ismore convenient to treat and discharge, the environmental requirement is met, the antirust agent is free of pollution to equipment and free of corrosion, the production cost is effectively reduced, and the antirust is safe and reliable to use.

The invention discloses an environment-friendly rust inhibitor applied to surfaces of bending machines. The rust inhibitor is prepared from the following raw materials in parts by weight: 15-75 partsof calcium stearate, 20-60 parts of nonylphenol polyoxyethylene ether, 25-95 parts of sodium molybdate, 25-80 parts of alkylbenzyloxyamine, 20-75 parts of sodium sulfonate, 20-75 parts of barium sulfate, 25-80 parts of potassium tetraborate, 15-70 parts of anionic surfactants, 10-80 parts of sodium acetate and 25-55 parts of 2,3-dihydrodecafluoropentane. The rust inhibitor is long in rust inhibition time; after the rust inhibitor is applied to the surface, the rust inhibitor is capable of preventing the surface of the material from forming rusty spots again; the waste rust inhibitor can be conveniently treated and discharged; the requirement of environmental protection is met; the rust inhibitor is free of pollution and corrosion to equipment, can effectively reduce the production cost, and is safe and reliable to use.