30results about How to "The processing method is environmentally friendly" patented technology

The invention discloses an old wood archaizing process, comprising the following steps: dragging saw notch of material white wood, sanding white wood, bleaching, drying, sanding, coating black water, drying, sanding, wiping color, spraying water-based priming paint, sanding, and spraying water-based finishing paint. The inventive process belongs to a novel archaizing process which takes the old wood, particularly the old wooden door sheet as processing materials, makes the archaizing effect on the old wood. Not only the year of the old wood can be saved, particularly the old wood with better quality is well kept and higher quality is obtained, but also the old wood is reused and the waste is changed into valuables. The old materials are matched with the modern process and are processed, and the processing method is simple and environmental. The inventive old wood archaizing process is suitable for the archaizing process of the old timber, woodwork, old furniture except the old wooden door too.

The invention discloses a method for removing arsenic in calcium-rich high-arsenic groundwater by using biochar, belonging to the field of arsenic pollution treatment for groundwater. The method comprises the following steps: adding biochar into alkaline calcium-rich high-arsenic groundwater, and carrying out a stirring reaction for at least 4 hours to remove arsenic dissolved in the groundwater,wherein the concentration of arsenic contained in the groundwater is 0.1-10 mg / L, and the concentration of calcium ions is 20-2000 mg / L. According to the invention, the specific calcium-rich high-arsenic groundwater is used as the object in which arsenic is to be removed; oxidizing active groups on the surface of the biochar are employed to oxidize low-valent arsenite in the groundwater into high-valent arsenate, and the generated arsenate reacts with the calcium ions and biochar to formation an arsenic-calcium-biochar precipitate; so the characteristic that the groundwater is rich in calciumand is alkaline is fully utilized, oxidation and adsorption means are organically combined to achieve the purpose of integrated removal of arsenic from the groundwater, and the method can effectivelysolve the common problems of low efficiency, high operating cost, complicated operation and the like in conventional methods for removing arsenic in groundwater.

The invention discloses an accurate sand-blasting processing machine for thinned fragile slabs and a machining method. The accurate sand-blasting processing machine comprises a primary cyclone separation device, a constant sand feeder, a sand blasting device, an air compressor, a thinned fragile slab conveying device, a sand recycling device and a control device, wherein the primary cyclone separation device is used for separating sand materials and dust from the sand recycling device and feeding the sand materials to the constant sand feeder; the constant sand feeder is used for conveying the sand materials at a constant flow velocity to the sand blasting device; the sand blasting device is used for jetting the sand materials to the thinned fragile slabs; the air compressor is used for supplying compressed air to the sand blasting device; the thinned fragile slab conveying device is used for horizontally conveying the thinned fragile slabs; the sand recycling device is arranged under the thinned fragile slab conveying device and is used for receiving the sand materials and the dust, and the output end of the sand recycling device is communicated with the primary cyclone separation device; and the control device is used for controlling each device to operate. When the accurate sand-blasting processing machine is used for processing the thinned fragile slabs to a plurality of products with specific shapes, the chemical etching is avoided, the environmental protection is realized, the product cost is low, and the production speed is high, and the processing accuracy and product yield are high.

The invention discloses a processing method for improving the natural colored cotton color depth and colour and luster stability. The method comprises the steps that natural colored cotton obtained after color fixing is washed and dried; the natural colored cotton is dried, then the natural colored cotton obtained after drying is subjected to liquid ammonia treatment, and the natural colored cotton after liquid ammonia treatment is obtained; gelatin, penetrant and water are mixed to form a protein solution, then the protein solution is adjusted to reach the pH being 2.0-7.0, and a treatment solution is obtained; the natural colored cotton obtained after liquid ammonia treatment is put in the treatment solution for padding at 15-70 DEG C, so that the liquid-carrying rate of natural coloredcotton obtained after padding is 30-150%, and then cold reactor placement is conducted; the natural colored cotton after fixing treatment is obtained. By means of the method, the color of the naturalcolored cotton can become brighter, and the color is obviously deepened and become more uniform; the color fastness to washing and sunshine can be effectively improved.

The invention relates to a processing method for walnut handicrafts, belonging to the technical field of handicrafts processing. It includes multiple processes such as walnut fruit raw material pretreatment, cutting, drying and assembly. Using its natural texture and natural color, it is refined through multiple processes. The product is firm and not easy to break, beautiful and unique in shape, simple, elegant and natural , exquisite and translucent, luxurious and stylish, with extremely high artistic appreciation value and collection value; at the same time, the raw material processing technology of the present invention is excellent, and it can kill a large number of bacteria and insect eggs remaining on the surface of walnut fruit. Among them, all water-based products are used, which effectively avoids the release of a large amount of VOC gas from solvent-based products, which is healthy and environmentally friendly; the processing technology of the present invention enhances the life of walnut handicrafts, making them have certain flame-retardant and moth-proof functions. Easy to promote applications.

The invention discloses a graphite electrode and a method for steel pipe inner diameter machining with the graphite electrode. The graphite electrode comprises an insulation shell, a connection cable, an insulation bearing plate and a graphite electrode head. The insulation shell is fixedly connected to the top end of the insulation bearing plate. One end of the connection cable penetrates through the insulation shell and is electrically connected with the graphite electrode head. The graphite electrode head comprises a connection portion and a working portion integrally connected to the bottom end of the connection portion. The connection portion is fixed to the insulation bearing plate. An electrolysis unit is composed of the graphite electrode, a bearing seat, a steel pipe, an electrolysis solution box and a sediment box. The electrolysis unit machines a stainless steel pipe inner diameter and can accurately correct the stainless steel pipe inner diameter, and the defects of wall deviation, protruding and the like caused by extrusion forming are overcome. Long stainless steel pipes with the length being more than 3 meters can be machined, the defects of traditional machining are overcome, working efficiency is high and the graphite electrode and the method for steel pipe inner diameter machining with the graphite electrode are friendly to the environment and free of pollution.

The invention relates to a preparation method of bacterial-cellulose-fiber-based nano-grade carbon fiber. According to the invention, a bacterial cellulose wet film is adopted as a substrate raw material. The prepared nano-grade carbon fiber is a product obtained after pyrolytic carbonization and graphitization of ultrafine bacterial cellulose fiber processed through an acupuncture carding refining treatment. The bacterial-cellulose-fiber-based nano-grade carbon fiber preparation method provided by the invention is safe, simple, and highly efficient, and has the advantages of wide raw material source, low price, and environment-friendly processing method. The bacterial-cellulose-fiber-based nano-grade carbon fiber obtained by processing has wide application field and great potential economic benefit.

The invention discloses a corrosion-resisting wear-resisting self-lubricating surface treatment method. The method has the following specific steps that (1), reticular structure treatment is conducted, specifically, the part surface is processed to form an honeycomb concave-convex structure, and meanwhile a protruded peak of the honeycomb structure is inactivated; (2), corrosion-resisting wear-resisting treatment is conducted, specifically, a corrosion-resisting wear-resisting material is added to the part surface processed by the reticular structure to be resistant to corrosion and wearing; and (3), lubricating treatment is conducted, specifically, the part surface is lubricated through a lubricating material. According to the corrosion-resisting wear-resisting self-lubricating surface treatment method, the corrosion-resisting wear-resisting self-lubricating part surface can be manufactured, the overall processing method is environmentally friendly, low in energy consumption and simple in technological process, a corrosion-resisting wear-resisting self-lubricating layer similar to the honeycomb surface structure is formed, and thus the friction working condition of the high speed, the heavy load, the large contacting surface and inconvenience of lubricating-grease adding is improved.

The invention discloses a capillary micro-channel assistant wire base microfluidic bipolar electrode electrochemical luminescence device, and a preparation method and the application thereof. The luminescence device consists of a capillary and a patterning line electrode, wherein the patterning line electrode consists of not less than three wire base electrodes and bare wire areas; the wire base electrodes are manufactured by conductive carbon paste; the wire base electrodes on two sides are driving electrodes; the wire base electrode between the driving electrodes is a bipolar electrode; an area between the every two wire base electrodes is the bare wire area; the capillary coats the patterning line electrode, needs to coat all bipolar electrodes, and simultaneously can not be in contact with the driving electrode. According to the luminescence device, the capillary micro-channel is applied to the line of the patterning carbon electrode for the first time to manufacture the capillary micro-channel assistant wire base microfluidic bipolar electrode electrochemical luminescence device. The integration device has the remarkable advantages that the loading speed of a sample is high and the samples can be evenly distributed on the patterning wire electrode.