57results about How to "Will not adversely affect" patented technology

A method for bridge vibration testing and dynamic property recognition based on video monitoring comprises a step A of performing system construction, initial configuration and displacement obtaining; a step B of performing multipoint structure dynamic displacement obtaining, continuous collection and storage; a step C of preprocessing displacement time-history data; and a step D of processing free vibration response signals to obtain a modal parameter.

The invention discloses a degradable electric-insulation material which is prepared by the following steps: adding the following raw materials in parts by weight into a centrifugal machine: 50-60 parts of L-polylactic acid, 30-40 parts of bacterial cellulose, 10-20 parts of crosslinked polyethylene, 20-30 parts of halogen-containing flame-retardant material, 5-10 parts of halogen-containing flame retardant, 5-20 parts of decabromodiphenylethane, 5-15 parts of hydroxyethyl cellulose, 20-30 parts of glass fiber, 10-20 parts of starch ether, 20-30 parts of polycarbonate, 10-15 parts of polyvinyl alcohol, 20-25 parts of ethylene-propylene rubber and 5-10 parts of silane coupling agent; uniformly mixing, sending into a double screw extruder to extrude into a molten state, controlling the temperature at 180-200 DEG C, quickly injecting the molten mass into a mold by using an injection machine, and trimming in the auxiliary mold by using a cutting machine. The electric material has the advantages of excellent mechanical properties, excellent cold/heat stability, excellent flame retardancy and high biodegradability, and is hopeful to be widely used as a novel insulation material.

The invention relates to an annular frictional rotating shockproof supporting base. The annular frictional rotating shockproof supporting base comprises an upper cover plate, a rotating rigid body, an annular frictional wall, a buffer spring, a suspending steel block, and a base; the lower part of the upper cover plate is provided with a convex hemispheroid, the upper part of the rotating rigid body is provided with a groove, and the convex hemispheroid is meshed and contacted with the groove; the center of the lower part of the rotating rigid body is provided with a spherical groove, and the spherical groove is in supporting connection with the hemispheroid to form rotating contact in every direction; the overall side face of the rotating rigid body is provided with a spherical face and forms a frictional contact with the annular frictional wall; when the rotating rigid body is rotated, the rotating rigid body rubs the annular frictional wall to dissipate the earthquake energy; one ring at the bottom part of the rotating rigid body is provided with a vertical buffer spring, and the other end of the buffer spring is connected with the suspending steel block; the suspending steel block is placed in a block opening of the base, and the thickness of the suspending steel block is less than the height of the block opening; when the rotating rigid body is rotated to a certain position, the buffer spring can upwards raise up so as to drive the suspending steel block to upwards move; when the buffer spring is contacted with the block opening, the buffer spring is stretched to limit the movement of the rotating rigid body.

The invention relates to a tourmaline negative ion generator which aims at solving the poor quality problem of negative ions generated through the prior art. The tourmaline negative ion generator comprises an air channel which is assembled with a fan; a dust filtering device, a PM (Particulate Matter) 2.5 filtering device, a first negative ion generation unit, one or a plurality of second high-energy ultrasonic motivation units and a plurality of third high temperature electrical bar exploration cracks and tourmaline negative ion generation units are assembled to the channel from the upper stream to the lower stream; the number of the third high temperature electrical bar exploration cracks and tourmaline negative ion generation units is larger than that of the second high-energy ultrasonic motivation units; the second high-energy ultrasonic motivation units comprise air inlets, air outlets, air channels which are arranged between the air inlets and the air outlets and a high-energy ultrasonic humidifier; the high-energy ultrasonic humidifier transports small molecular group moisture to the air channels which are arranged between the air inlets and the air outlets. The tourmaline negative ion generator has the advantages of enabling generated hydration small negative ions to fly far and easy to absorb and generating no adverse influence to human bodies due to the fact that no radioactive substance is used to perform motivation in the complete motivation mechanism.

The invention discloses a hot-rolled composition with organic silicon anti-friction antilubricant, which comprises the following parts: (I) lubricant basic oil with viscosity at 5-300mm2/s at 40 deg.c, (II) 0.1-20wt% sulphur extreme pressure agent with one or more material from alkyl polysulfide, sulfur ore oil and sulfur polyol ester, (III) 0.05-15wt% phosphorus antiwear agent with one or more material from phosphate, phosphonate, phosphite ester, acid phosphate ester, phosphite ester amine salt, phosphamide ester, dialkyl dithiophosphate, dimercaptothiodiazole dithiophosphate ester and acid phosphate imidazoline salt, (IV) 0.1-25% organosilicon abrasion resistance antilubricant with organic modified clay, plastic and alkyl benzene, insaturated ester oil, animal and plant oil.

The invention discloses a detection unit for an online negative pressure air suction conveying device of a roll paper die-cutting machine belt. The detection unit comprises the conveying device, negative pressure cavity boxes, a foldable negative pressure cavity box, a sliding device of the foldable negative pressure cavity box and a belt supporting frame. The negative pressure cavity boxes and the foldable negative pressure cavity box are arranged on the lower face of a conveyor belt and the foldable negative pressure cavity box can slide, stretch and retract in one negative pressure cavity box. A negative pressure cavity panel is arranged on the negative pressure cavity boxes and the foldable negative pressure cavity box. The negative pressure cavity boxes are fixed to a rack, the foldable negative pressure cavity box is fixed to the sliding device, and the sliding device is connected with a cylinder. The negative pressure cavity boxes and the foldable negative pressure cavity box are provided with connectors and connected with an exhaust fan. The belt supporting frame is a mesh type frame arranged on the negative pressure cavity panel. A dust removal device and a connection device can be additionally arranged on the detection unit. Products can be stably and accurately conveyed to a detection device through the negative pressure air suction conveying device.

The invention discloses a method for preparing a high-performance carbon-graphite material through solvent pretreatment of green coke powder. The methodcomprises the following steps: removing low-molecular-weight organic matters in green coke powder with an organic solvent to obtain pretreated green coke powder, then carrying out compression molding on the pretreated green coke powder to form a green body, and finally sintering the green body to obtain the carbon-graphite material. According to the invention, the method does not need to use a binder, and is short in production period, low in energy consumption and environment-friendly, and the prepared carbon-graphite material is uniform in structural form, stable in bonding component, consistent in thermal shrinkage and high in density.

The invention belongs to the technical field of vacuum metallurgy, and discloses a method for extracting tellurium from copper-tellurium slag. The method is characterized in that the copper-telluriumslag is subjected to reduction by adding a reducing agent, and the tellurium is extracted through the vulcanization and vacuum distillation processes. The method comprises the following steps that firstly, the copper-tellurium slag and the reducing agent are subjected to reduction reaction in a vessel so as to obtain reduced copper-tellurium slag; then the reduced product and a vulcanizing agent are mixed according to a certain ratio, and heating is carried out for vulcanization reaction so as to obtain a vulcanized product with the tellurium and a copper sulfide substance mixed; and the obtained vulcanized product is put in a vacuum furnace for vacuum distillation so as to obtain the elemental tellurium and copper sulfide slag. The method has the advantages that the copper-tellurium slagis subjected to the three processes of reducing, vulcanizing and distilling, so that efficient extraction of the tellurium in the copper tellurium slag is realized; and the method is suitable for thecopper-tellurium slag with complex components, acid-base solutions are not used in the process, so that no waste water is generated, pollution to the environment is avoided, through the experimental verification, the purity of the tellurium obtained by using the method is 98-99.9%, and the direct yield reaches 96% or above.

The invention provides a method for manufacturing river channel dry land construction conditions by using a flow self-adjusting siphoning type construction flow guide pipe, which comprises the following steps of: marking a river channel area of the river channel dry land construction conditions to be manufactured as a construction drying area which is positioned at the downstream of a water retaining building of a river channel; determining a water return area at the downstream of the construction drying area, wherein the water return area is adjacent to the construction drying area; installing a siphoning type construction flow guide pipe used for conveying water on the upstream of the water retaining building to the downstream of the water return area at the water retaining building; andcreating a vacuum condition for the siphoning type construction flow guide pipe so that water in front of the water retaining building can be conveyed to the downstream of the water return area through the siphoning type construction flow guide pipe, and when water in the target area flows out of the target area, forming a riverway dry land construction condition in the construction drying area.The method can significantly reduce the engineering investment, simplify the manufacturing operation of river dry land construction conditions, avoid the hidden danger of flood discharge, and also has the characteristic of being more environmentally friendly.

The invention relates to mining equipment, and discloses a mining air purifying device. The mining air purifying device comprises a water curtain dust falling device, a sewage pump, a settling pond, a clean water pond and a clean water pump, wherein the water curtain dust falling device comprises a shell, water diversion lines and a draft fan; a transverse water pipe is arranged above the front end of the shell; a sewage tank is arranged under the front end of the shell; the water diversion lines are vertically arranged and distributed at the front end of the shell; the upper ends of the water diversion lines are communicated with the inner part of the transverse water pipe; the lower ends of the water diversion lines are connected with the sewage tank; the draft fan is arranged in the shell; the rear end of the shell is connected with an exhaust pipe; the sewage tank is connected with the settling pond through the sewage pump; the settling pond is connected with the clean water pond; the clean water pond is communicated with the transverse water pipe through the clean water pump. The mining air purifying device disclosed by the invention is different from an uncontrollable state of mist spraying, a dust falling curtain is formed by the water diversion lines with water currents, and air is induced through the draft fan, so that dust and harmful gas in air are absorbed, and adverse effects cannot be generated.

The invention discloses a compound emulsifier for preparing emulsified paraffin as well as a preparation method and application of the compound emulsifier. The compound emulsifier comprises the following components in parts by weight: 90-100 parts of span-80; 40-50 parts of tween-80; 10-20 parts of peregal; 30-40 parts of OP-10; 10-20 parts of triethanolamine; 5-10 parts of stearic acid; and 37-48parts of ethylene glycol. The compound emulsifier has the advantages that the emulsifier consumption is low and the emulsifying effect is excellent. Emulsified paraffin prepared from the prepared emulsifying agent has the characteristics of good emulsion dispersity, high stability, long shelf life, high water solubility, good film-forming property and the like, and the prepared emulsified paraffin serving as an additive is doped into concrete, has good compatibility with the concrete and has a certain water reducing effect; meanwhile, the hydrophobicity of the concrete can be enhanced, and the durability such as impermeability and electric flux can be improved; and in addition, the conductivity of the concrete can be weakened, the resistivity of the concrete is greatly improved, and the emulsified paraffin can be used for preparing high-impedance concrete.

The invention relates to the technical field of traditional Chinese medicine machines, in particular to an automatic unstacker. The automatic unstacker comprises an outer shell, a transporting mechanism, an unpacking mechanism and a discharging mechanism. The transporting mechanism comprises an annular guide rail, a motor and multiple clamping devices. The motor drives the clamping devices to movealong the annular guide rail. The discharging mechanism comprises a discharging conveying belt, and the unpacking mechanism is located above the discharging conveying belt. The automatic unstacker has the beneficial effects that woven bags can be rapidly split and poured, manpower is saved, and the efficiency is improved.

The invention provides a seawater COD detection method, and belongs to the field of seawater detection. According to the seawater COD detection method, complicated pretreatment and chemical analysis does not need to be carried out on a practical seawater sample, operation steps are greatly simplified, and detection time is shortened. Different absorption characteristics of different substances byRaman spectrum minimize the influence of visible-near-infrared band light absorption by properties of water, the interference of fluorescence to the detection result is reduced by using the Raman spectrum, so that the detection result is more accurate; and compared with the traditional detection, the seawater COD detection method is environment friendly and cannot consume a large number of chemical reagents, and thus cannot cause an adverse effect to the environment.

The invention relates to an ecological cement clinker produced by utilizing sludge, and belongs to the technical field of building materials. The ecological cement clinker is prepared from the following components in parts by weight: 35-80 parts of raw materials, 38-85 parts of limestone, 9-15 parts of iron ore, 3-8 parts of fly ash, 4-10 parts of sandy shale and 26-46 parts of sludge, and is prepared by the following steps: stoving the raw materials at 105 DEG C, finely grinding the raw materials with a ball mill till the raw materials can pass through a 200-mesh sieve, then stoving in an oven at 105 DEG C for 24 h, calcining into cement clinker, conducting heat preservation at 1450 DEG C for 50 min, taking out, and conducting cooling crushing so as to obtain the ecological cement clinker. The production cost of the cement can be reduced, thorough and harmless treatment of the sludge can be realized, and important functions are played for resource optimal configuration, environmental protection and social sustainable development.