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

Graphite electrode and method for steel pipe inner diameter machining with graphite electrode

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.
Owner:FUJIAN ACETRON NEW MATERIALS CO LTD

Preparation method of membrane-filtrated concentrated fermented milk

The invention discloses a preparation method of membrane-filtrated concentrated fermented milk. The preparation method of the membrane-filtrated concentrated fermented milk specifically comprises thefollowing steps: S1, performing quality inspection on raw-material milk; S2, treating the inspected raw-material milk by using membrane concentration equipment; S3, blending materials, and carrying out standardization; S4, carrying out degassing, namely performing degassing on the pre-heated milk material by using a degassing tank; S5, carrying out homogenization, namely performing homogenizationon the degassed milk material under a pressure of 170-180 Bar; S6, carrying out sterilization, namely performing sterilization on the homogenized milk material at 93-97 DEG C for 300 seconds; S7, carrying out cooling, namely cooling the sterilized material to be 40-43 DEG C by using a heat exchanger, and sending the cooled material into a fermentation tank; S8, carrying out inoculation, namely adding confirmed bacterial strains, under aseptic operation, into an on-line adding system, wherein the adding starts when the sterilization on the material is 1 / 3 done; S9, carrying out thermal insulation, namely performing thermally insulated fermentation on the inoculated material, at 40-42 DEG C, for 4-6 hours; S10, carrying out cooling; and S11, carrying out filling.
Owner:北京沃克特商贸有限公司

Machining method of durable welding current contact nozzle easy to machine

The invention discloses a machining method of durable welding current contact nozzle easy to machine. Conductive blocks are obtained through a mode of machining a seam in the front end of the currentcontact nozzle, or is obtained through a mode of machining the thick seam and obtaining a gap, or is obtained through a mode of carrying out interference connection on two conductive block combinationblocks; according to the durable welding current contact nozzle easy to machine, the gap is formed in the front end of the current contact nozzle, so that the current contact nozzle forms the upper conductive block and the lower conductive block; according to the durable welding current contact nozzle easy to machine, materials on the two sides of the front end of the current contact nozzle are removed, a machining line passes through an edge of a welding stick passing hole to form a thickened conductive block, and the width of the thickened conductive block is narrower than that of the welding stick; and according to the durable welding current contact nozzle easy to machine, an elongated cylinder is arranged at the front end of the current contact nozzle, a large via hole is formed in the center of the current contact nozzle, a head part of the cylinder is a conductive head, a conductive hole is formed in the center of the conductive head, and the conductive hole and the large via hole are positioned on the same axis.
Owner:何强

Lower cone body of cerement bin and manufacturing process of lower cone body

The invention provides a lower cone body of a cerement bin and a manufacturing method of the lower cone body. The lower cone body comprises a tail end tail cone body and at least one cone cylinder, wherein the cone cylinder and the tail end cone body are installed together through a fastening piece. The cone cylinder comprises a plurality of cone cylinder splicing modules, wherein the cone cylinder splicing modules are assembled to form the cone cylinder. Each cone cylinder splicing module comprises a cone cylinder splicing module body, wherein cone cylinder strip-shaped flanges are arranged on the left side and the right side of the cone cylinder splicing module body respectively, and the cone cylinder strip-shaped flanges are integrally formed through a hydraulic machine. The cone cylinder strip-shaped flanges of every two adjacent cone cylinder splicing modules are installed together through fastening pieces. Cone cylinder arc-shaped flanges are welded to the upper end and the lower end of each cone cylinder splicing module body respectively. Each cone cylinder arc-shaped flange is fixedly connected with the upper end of a middle cylinder of the cerement bin. By means of the lower cone body and the manufacturing method, the production cycle is greatly shortened, cost is greatly reduced, all bin bodies are the same in size, the lower cone bodies can be produced in batches, standardization is achieved, transportation is convenient, and the lower cone body can be rapidly assembled on site.
Owner:潍坊金河机械有限公司

Processing method of black ginseng

The invention provides a processing method of black ginseng. The processing method comprises the following steps: cleaning fresh ginseng, and removing moisture on the outer surface; then performing drying until the water content is 60%-80%; then putting the dried ginseng into a sealed tank body, starting to heat, controlling the temperature to be 55-65 DEG C, and performing reacting for 20-24 hours under the temperature condition; and performing heating to 80-90 DEG C, and performing reacting for 360-480 hours at the temperature to obtain a dark brown product, namely the black ginseng. The method is environment-friendly, simple and safe; in the processing process, bacterial growth can be inhibited, mildewing is avoided, and the carbonization phenomenon caused by high-temperature drying isavoided; the conversion rate of the protoginsenoside converted active saponin is greatly improved, and the conversion rate of the protoginsenoside converted active saponin reaches about 90%; the processed black ginseng has relatively high rare saponin and is free of harmful substance residues; and the content of the rare saponin component in the backginseng is higher than that of the prototype ginsenoside converted rare saponin component in the black ginseng processed by the traditional process.
Owner:尊草(威海)生物科技有限公司

A method for removing arsenic from calcium-rich and high-arsenic groundwater by using biochar

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.
Owner:HUAZHONG UNIV OF SCI & TECH

Precision sandblasting processing machine and processing method for thin and fragile plates

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.
Owner:广东旭泰智能表面处理有限公司

Capillary micro-channel assistant wire base microfluidic bipolar electrode electrochemical luminescence device and application

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.
Owner:SOUTH CHINA NORMAL UNIVERSITY

A graphite electrode and a method for processing the inner diameter of a steel pipe using the graphite electrode

ActiveCN103878457BAccurate correction of inner diameterMake up for processing defectsMachining electrodesElectrical-based machining electrodesGraphite electrodeElectrolysis
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.
Owner:FUJIAN ACETRON NEW MATERIALS CO LTD

A kind of corrosion-resistant and wear-resistant self-lubricating surface treatment method

ActiveCN106756771BFor long-term storageSolve the problem that it is not convenient to add greaseSolid state diffusion coatingAdditivesConvex structureWear resistant
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.
Owner:XCMG HYDRAULICS CO LTD

Capillary microchannel-assisted line-based microfluidic bipolar electrode electrochemiluminescence device and its application

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.
Owner:SOUTH CHINA NORMAL UNIVERSITY
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