305results about How to "Clean working environment" patented technology

The invention discloses volatile rust preventive oil which comprises, by weight, 71-91% of base oil, 5-25% of an oil soluble volatile corrosion inhibitor, 1-5% of an antirusting agent, 1-6% of a cosolvent, 0.5-1% of a mildew-proof agent, 0.5-1% of an antifoaming agent and 1-6% of antioxidant, wherein the base oil is one of 500SN 46# machine oil, 32# machine oil, 600SN 150# machine oil and 100# machine oil; and the oil soluble volatile corrosion inhibitor is a mixture of four kinds of 2-heptadecenyl-imidalidine, octadecylamine, triazole tributylamine, dicyclohexylamine carbonate, dicyclohexylaminenitrite, benzotriazole, tert-butyl chromate, nephthenic soap, petroleum sodium sulfonate, sorbitan monooleate and stearic acid; and the antioxidant is sulfurphosphorousbutyloctyl zinc salt. The volatile rust preventive oil has good volatile rust preventive and corrosion resistant performances, metal which cannot be coated with rust preventive oil can achieve rust preventive protection, the operation is simple, and the cost is low.

A gravitationally casting metal mould set for casting the tin-bronze workpiece is composed of a metal mould consisting of upper and lower moulds, external sand core consisting of upper and lower cores and inlaid in the recess of metal mould, and internal sand core. Its casting method includes such steps as assembling the mould set, pouring molten tin-bronze, and cooling.

The invention discloses a wall skin scraping device with the function of collecting debris, which comprises a moving plate, a first driving motor and a second driving motor; the moving plate is rotatably connected with a turret, and the turret is nested with a first drive Motor, the first driving motor is fixedly connected with the turret; the first driving motor is connected to a scraping wheel through a drive shaft; a grinding wheel is arranged on the rear side of the scraping wheel. The present invention is provided with a scraping wheel and a grinding wheel to scrape the wall and the ceiling, the scraping is thorough, and has a good scraping effect; the invention is provided with a turret, so that the device can scrape the ceiling operation, scraping efficiency is high, and manpower is saved; the present invention is equipped with a dust and slag collection device, which collects dust and slag efficiently and intensively during the operation process, avoids random dust floating, keeps the working environment clean and protects operators health.

The invention provides a continuous densification and efficient production line and technology of fiber-reinforced thermosetting plastic pipelines, and belongs to the field of fiber-reinforced thermosetting plastic pipeline manufacturing. After being innovatively improved, a paper tube machine production line is applied to the production field of the fiber-reinforced thermosetting plastic pipelines, the improved paper tube machine production line is sequentially provided with strip frames, a coating device, a curing agent applying device, hollow partition plates and a spiral paper tube machine refit device in the paper tube moving direction. Cylindrical dies transversely arranged above a rack are improved on the basis of an existing spiral paper tube machine, pressure perpendicular to the die direction and thrusting force parallel to the die direction are exerted on film strips wrapping the dies and impregnated and pre-cured fiber strips through a conveying belt, layer-by-layer densification and continuous efficient production are achieved, and the production efficiency is greatly improved. The produced pipelines have the beneficial effects of resisting pressure, being good in impact resistance and rigidity, resisting to corrosion and the like.

The invention discloses a preparation method of a sisal fiber surface sizing agent and a sisal fiber composite material. The sisal fiber surface sizing agent is water-based emulsion prepared from a modified resin film forming agent (1-60wt%), a coupling agent (0.5-8wt%), a levelling agent (0-1wt%), a wetting agent (0-8wt%), a surface active agent (0.5-8wt%), water and the like according to a phase inversion emulsification method, sisal fibers are treated by the sizing agent and then are mixed with a certain amount of resin, and one-step injection moulding is carried out by adopting an injection moulding machine, so that the sisal fiber composite material is obtained. The sisal fiber surface sizing agent well improves compatibility of the sisal fibers and matrix resin, and tensile strength of the sisal fiber composite material is effectively increased. The preparation method of the sisal fiber composite material is simple, cost is saved, fiber content is easy to control, the problem that compatibility of the sisal fibers and matrix is poor can be well solved, and the preparation method of the sisal fiber composite material can be applied to industrialization production.

The present invention belongs to the tobacco leaf processing field for cigarette manufacture, in particular to an online chip selection grading technique for removing bundle head of raw tobacco, and the equipment thereof. Bundles of tobacco are put to a plurality of platform so as to be transferred to the machine for removing each bundle head, thereby, the bundle heads are separated from tobacco leaves, and then the bundle heads are tidied, disbanded, shaken, sieved and put into a bin; the tobacco leaves are shaken and put into selecting conveyer belt. The tobacco leaves are selected artificially comparing with a template in a template box. The selected tobacco leaves are conveyed into a bin through an output conveyer belt, while the remainder tobacco leaves are conveyed into a gathering bin through a gathering output conveyer belt. Person in a inspection bench can make corresponding treatments according to the condition of the tobacco leaves on the gathering output conveyer belt. The equipment comprises a platform for bearing bundles, a machine for removing bundle heads, conveyer belts, a bundle head processing unit, a platform for bearing leaves, a template box, bins, an inspection bench, and a control switch. The present invention has the advantages of good effect, reasonable technology, simple flow, compact equipment, reasonable arrangement, chip selection grading with high quality and high efficiency, and can be suitable for mass production.

The invention relates to a double-station shoe sole laser cutting machine, and belongs to the technical field of shoe sole machining machines. The double-station shoe sole laser cutting machine comprises a rack, a machining table, two groups of feeding mechanisms for feeding shoe soles to the machining table and a group of laser machining mechanisms for cutting the shoe soles on the machining table through a laser. The machining table comprises two cutting tables arranged side by side from left to right. The two cutting tables for holding the shoe soles move horizontally on the rack through a double-station horizontal movement mechanism from left to right. One group of feeding mechanisms is fixed to the left end of the rack, and the other group of feeding mechanisms is fixed to the right end of the rack. The laser machining mechanism is located between the groups of feeding mechanisms. The cutting table on the right side right faces the laser machining mechanisms when the cutting table on the left side right faces the feeding mechanisms on the left side. The cutting table on the left side right faces the laser machining mechanisms when the cutting table on the right side right faces the feeding mechanisms on the right side. The invention further relates to a double-station shoe sole laser cutting method. The double-station shoe sole laser cutting machine and method have the advantages of being simple in structure, automated in machining process and high in machining efficiency.

The invention provides a technological method for upwardly and continuously casting, rolling, drawing and producing copper alloy tubes. The technological method comprises the following steps: melting copper alloy raw materials according to a content proportion; further homogenizing the contents of an undercurrent passing by a standing chamber; keeping the temperature of the undercurrent by a maintaining furnace; cooling the undercurrent by a crystallizer to enter a tractor; upwardly drawing and continuously casting copper alloy tube blanks; then rolling the copper alloy tube blanks by a rolling mill; and drawing finished products of copper alloy tubes by a drawing mill. The technological method simplifies a traditional technological process in a new once-forming technology and has little investment, small occupation of land, low energy consumption, high efficiency, high rolling yield, little pollution and low cost, thereby being an advanced technological method with a certain market competitiveness.

The invention discloses a kitchen garbage component sorting machine which belongs to auxiliary garbage treatment equipment. A vice speed reduction motor, a feeding hoper, a cleaning brush roll, a spiral conveyer, a support roller, a solid screened material collection box, a liquid screened material collection box, a main shaft and a main motor are arranged on a frame assembly; a revolving drum is arranged on the support roller; a cylindrical grating with a baffle is arranged on the revolving drum and integrally contains the cleaning brush roll and the spiral conveyer; the vice speed reduction motor is connected with the cleaning brush roll; the main motor is connected with the main shaft; a driving sprocket and a driving gear are fixedly arranged on the main shaft; a driven sprocket is fixedly arranged on the spiral conveyer; a ring-shaped gear is fixedly arranged on the revolving drum; the driving sprocket is connected with the driven sprocket; the driving gear is meshed with the ring-shaped gear; and a drawer type oil-water separator is inserted on the liquid screened material collection box. The machine is simple and reasonable in structure, high in operation efficiency, good in sorting quality, less in failure, clean in operation environment and free of pollution.

The invention discloses a soil conditioning fertilizer and relates to the technical field of agricultural fertilizer. The soil conditioning fertilizer is prepared from the following materials in weight parts: 50-100 parts of humic acid, 50-100 parts of dolomite dust, 5-10 parts of dilute sulphuric acid solution, 100-150 parts of monoammonium phosphate, 1-30 parts of urea, 300-350 parts of potassium chloride, and 5-10 parts of zinc sulfate. The experimental results of the field fertilizer efficiency demonstration of the soil conditioning fertilizer on various crops including field crops like crops, commercial crops like soybean and green pepper, as well as melons and fruits and vegetables like Chinese cabbage, grape and radish show that the yield is remarkably increased and the product quality is remarkably improved, the stress resistances like cold resistance, drought resistance, disease resistance and lodging resistance of the crops are remarkably improved, the tastes of the melon, the tomato, the Chinese cabbage, the green pepper, and the like are good, and therefore, the soil conditioning fertilizer is well received by the masses and is worthy of popularization and application.

The invention discloses a roll bending forming device for ten-hole micro-channel flat tubes. The roll bending forming device comprises an uncoiling machine, a straightening machine and a roll bending forming unit which are sequentially arranged. The roll bending forming unit comprises an upper row of mill rolls, a lower row of mill rolls, a brazing flux coating device and a product straightening device, multi-pass roll bending forming roll pairs are sequentially configured to form the upper row of mill rolls and the lower row of mill rolls, the brazing flux coating device and the product straightening device are arranged among the roll bending forming roll pairs, gaps are reserved between the upper row of mill rolls and the lower row of mill rolls, and the shapes and the sizes of the gaps are matched with the shapes and the sizes of the ten-hole micro-channel flat tubes. The invention further discloses a forming method implemented by the forming device. The roll bending forming device and the forming method have the advantages that precision dies can be omitted, a series of problems caused during continuous extrusion can be solved, and the manufactured flat tubes are stable in quality; the extrusion speed normally ranges from 2 meters per minute to 3 meters per minute when ten-hole micro-channel flat tubes are manufactured in an extrusion mode, but the roll bending technological manufacturing speed is higher than 80 meters per minute, and the manufacturing efficiency can be improved by 20 times as compared with the traditional extrusion mode; additional welding techniques are omitted in roll bending forming procedures, and integral heat exchangers can be manufactured only by the aid of a brazing technique.

The invention provides a true metal wiredrawing composite board which is characterized in that a substrate is made of toughened glass, a temperature-resisting double faced adhesive tape is adhered to the toughened glass, a composite membrane layer is covered on the temperature-resisting double faced adhesive tape, and the composite membrane layer is composed of polyethylene terephthalate (PET), an aluminium foil wiredrawing layer and polrvinyl chlorides (PVC). The true metal wiredrawing composite board provided by the invention has the advantages that the PET/ aluminium foil wiredrawing layer/PVC composite membrane layer is compounded on the surface of the toughened glass through the temperature-resisting double faced adhesive tape, thus the effects of adornment, protection and beautification are achieved, and meanwhile, the manufacturing process is simple, and the operation is convenient; due to the beautiful colors, the obtained product is delicate, and appropriate for durability products; the board is good in abrasion resistance and stain resistance; and the step of painting is omitted, thus the operating environment is ensured to be neat and clean, the expenditures can be cut down, and the productivity can be improved. The true metal wiredrawing composite board can be applied to refrigerator panels through replacing stainless steel wiredrawing boards, thereby remarkably reducing the cost of materials.

The invention relates to a technology and device for separating and melting sulfur, and belongs to the technical field of separating and melting of chemical industry production. The technology in the technical scheme includes the steps that after a desulfurizing solution is subjected to regeneration and discharged out of a regeneration trough with sulfur foam, the desulfurizing solution and the sulfur foam are separated through a desulfurizing pressure filter, and separated clear liquid is directly fed to a system to be recycled through a desulfurizing pump; the separated sulfur foam is circularly stirred through a solution from a sulfur melting kettle to enter the sulfur melting kettle for sulfur melting, and a solution for sulfur melting and a solution for the production system are thoroughly separated. According to the technology and device, the content of solid matter of the clear liquid obtained after filtering of the desulfurizing pressure filter is lower than 60 ppm, stable production of the system is facilitated after the clear liquid is fed back to the production system, filtered-out sulfur paste is re-mixed to enter the sulfur melting kettle, energy consumption is saved, and compared with the traditional technology, energy consumption is reduced by 85% or above; the working environment is clean and free of pollution; the device is simple and convenient to install and maintain; the automatic degree of the system is high, the labor intensity is low, labor cost is saved, and continuous and stable operation of the system is facilitated.

The invention relates to a method for preparing a medium and low carbon chrome-silicon-manganese martensite cast steel with a hardening surface layer. The cast steel comprises the following components (wt%): 0.26-0.4 of C, 0.95-1.3 of Si, 0.70-1.20 of Mn, 0.70-1.10 of Cr, less than 0.05 of impurities and the balance of Fe; then, the cast steel is prepared from the steps of smelting-casting-cleaning and polishing-thermal insulating at the temperature of 830 DEG C-860 DEGC for 550-600 seconds-quenching or incompletely quenching at constant temperature of 180-230 DEGC and thermal insulating for 120-240 seconds-thermal insulating for 180-300 seconds within the temperature range of 340-430 DEGC-quenching to the room temperature-heating the surface of a steel piece in a scanning mode through a cross flow tube-sheet type multimode continuous carbon dioxide laser; and the steel piece treated through the method disclosed by the invention keeps high strength and has certain plasticity and high surface hardness at the same time, moreover, a workpiece is kept not to deform, and the comprehensive mechanical property is obviously improved than a conventional technology.

The invention provides a drawing-like stainless steel clad steel plate which comprises a steel plate and a compound coating covered and stuck to the steel plate. The compound coating comprises polyethylene terephthalate, a printing layer and polyvinyl chloride, a protective coating is covered and stuck to the compound coating, and a back coating is arranged at the back of the steel plate layer. The drawing-like stainless steel clad steel plate with the stuck compound coating can take the actions of decoration, protection and beatification, has better chemical resistance and fingerprint resistance as well as clean surface, is widely applied to industries, such as household electrical appliances, and the like and is particularly deep punched and stretched to be used for a ventilator cover as a special application.

The invention provides a method for surface modification of a medical beta titanium alloy by a laser remelting technology; the surface remelting treatment is performed for the medical beta titanium alloy through a semiconductor laser; and the laser remelting comprises process parameters of 350-500 W of laser power, 1-5 mm/s of scanning speed and 1 machining pass. The method prominently improves the surface hardness of the medical beta titanium alloy material; and the medical beta titanium alloy after the surface modification is smooth in surface, and can be applied to subsequent process flows without needing surface finishing.