571results about How to "Not easy to disperse" patented technology

A LED lamp includes a main body surrounded by a fin assembly on the periphery at an upper side and a lower side, a power supply holder located at the upper side and a plurality of LED lamp assemblies located at the lower side. The LED lamp assemblies are encased by a light converging plate which is further encased by a transparent lamp shade fastening to the lower side of the main body. The LED lamp thus formed may be fastened to a ceiling for indoor use through an upper cap of a fastening assembly, or an outdoor electric wire pole through a fastening tray. Each of the LED lamp assemblies has a heat transfer tube to transfer the generated heat to the main body for dispersing through the fin assembly. Thus desired heat dissipation can be accomplished.

The invention provides a high temperature friction wear testing machine, belongs to the technical field of material wear tests, and solves the technical problems that the test precision of the testing machines in the prior art is low and the like. The high temperature friction wear testing machine comprises a frame. The frame is provided with a rotating shaft, and is also provided with a driving device. The top end of the rotating shaft is provided with a tray, the surface of the tray is coated with a thermal insulation layer, and a friction disk is fixed on the surface of the tray. The frame is provided with a bracket, and the bracket is provided with a beam. The beam is provided a force value sensor, and a loading rod is arranged at one end of the beam. A specimen holder is arranged at the bottom end of the loading rod. The high temperature friction wear testing machine comprises a high temperature furnace. The high temperature furnace is provided with a heating cavity, and the bottom end of the loading rod is inserted in the heating cavity. An opening is arranged at the bottom part of the heating cavity, the tray is located out of the opening, and the friction disk is located in the heating cavity. The high temperature friction wear testing machine has the advantages of high test precision and the like.

Alloy powder for forming a hard phase for a valve seat material having excellent high temperature wear resistance. The overall composition is consisted of Mo: 48 to 60 mass %, Cr: 3 to 12 mass % and Si: 1 to 5 mass %, and the balance of Co and inevitable impurities.

The invention relates to a preparation process of a composite perform. The invention is characterized in that the preparation process comprises the following steps: taking alloy powder, using absolute ethyl alcohol to prepare ceramic particles which can infiltrate or not infiltrate an iron-based alloy and metal powder into mixture; filling the mixture into a specially designed graphite die; drying, and vacuum-sintering; and cooling, and then obtaining the composite perform the whole of which is in a porous structure. The process for preparing the composite perform of the invention dose not use any binder, dose not generate gases, is in favor of cast-penetration, is convenient for mass production, is simple in operation and has strong universality, and lays a foundation for preparing a particle enhanced iron-based skin layer composite workpiece by using a casting-penetrating method. The perform of the invention is placed at the end surface side of a cast form, then molten metal is poured, and the molten metal penetrates the perform to form the composite in situ, so that the selective local enhancement of a wear resistant component can be achieved, thereby significantly improving the wear resistance of the component and prolonging the service life of the component.

The invention discloses an efficient energy-saving high-temperature electric furnace with a lifting furnace door and a full-fiber hearth. Compared with a traditional electric furnace, the electric furnace has obvious innovation advantages in aspects such as structural design of a furnace body, selection of hearth materials and temperature control. The furnace door is arranged at the bottom of the electric furnace and controlled to rise and fall by a lead screw, calcined samples can be conveniently placed on the furnace door after the furnace door falls, loading capacity is high, the furnace door is excellent in tightness after the furnace door rises and is closed, and heat is not easily dissipated from a furnace mouth. By the aid of the multilayer graded temperature-resistant full-fiber hearth, heat insulation performance is excellent, heat storage capacity is low, the energy-saving effect of the electric furnace is quite remarkable, the temperature is rapidly raised and reduced, a furnace roof does not easily collapse by the aid of unique assembly structure design of the furnace roof, all sides of a heater are heated, temperature fields in the furnace are uniform, a temperature control system is advanced and simple and convenient to operate, running voltage, current, power, electricity consumption and the like are displayed in a centralized manner by the aid of a PID (proportion integration differentiation) intelligent temperature control instrument and an intelligent power display instrument, the electric furnace has an over-current alarm function, and heating elements are low in load, long in service life and convenient to replace.

The invention provides an automatic assembling process for infusion apparatus, and belongs to the technical field of medical instruments. The automatic assembling process for the infusion apparatus solves the problem that existing infusion apparatus is low in assembling efficiency. The process includes the following procedures, namely, a, medical catheter feeding, b, assembly of other components, c, finished product testing, and d, finished product discharging. According to the automatic assembling process, winding is carried out on medical catheter materials before assembling through a winding device, in addition, a medical catheter keeps in a winding state in the whole assembling process, therefore, the space occupied by the medical catheter is reduced, and feeding efficiency and assembling efficiency are improved. Due to the facts that the two end portions of the wound medical catheter are fixed in length, components on the left end portion and the right end portion of the medical catheter can be assembled at the same time, assembling efficiency is improved, and the assembling period of the infusion apparatus is shortened. In addition, the medical catheter is tied up through a band absorbing mechanism and a welding mechanism, and therefore the wound portion of the medical catheter will not disperse easily in the discharging and packaging process.

A process for extracting and refining lavender oil includes such steps as supercritical CO2 extracting, temp-controlled three-stage rectifying for lowering pressure, analyzing for further lowering pressure, and regulating the temp of CO2 to remove wax.

The invention provides a grinding tool. The grinding tool comprises the main components of a grinding material, a filler, a binding agent, an antifoaming agent, a curing agent and a stabilizing agent, wherein the filler contains a compound which decomposes and absorbs heat at the temperature of 100 to 800 DEG C. The invention also provides a method for preparing the grinding tool. Compared with the prior art, the self-cooling effect of the grinding tool can be achieved; the work speed and the grinding performance of the grinding tool can be improved; the service life of the grinding tool is prolonged.

The invention discloses a kapok warm face material. The fiber ingredients and the ratio are: natural kapok fiber 10-100%, cotton or other fiber 0-90%, urethane elastic fiber and other elastic fiber 0-50%. The invention also discloses the manufacture method including the following steps: selecting the fiber ingredients; spinning after mixing the raw material; weaving on the knitting great circle machine; dyeing and after processing. The advantage of the invention is good warm effect, soft tactility and comfort.

The invention discloses a film-coating method for a glass fiber yarn cluster, and belongs to the technical field of glass fiber production equipment. The invention aims to provide the film-coating method for the glass fiber yarn cluster, and the coating method is relatively good in coating effect and is high in film-coating efficiency. The film-coating method comprises the following steps: step I: conveying yarn clusters; step II: grabbing the yarn clusters; step III: pressing the yarn clusters; step IV: coating a film, wherein a coating film is pushed to a specific position through a film feeding device, a gas blowing tube of a film cutting mechanism of the film feeding device works to blow the coating film; and the coating is adhered on the yarn cluster in a sticky mode, and the coating film is pressed onto the yarn cluster through a film-pressing thin sheet of the film pressing device; a clamping rotating device drives the yarn cluster to rotate, the coating film is continuously guided out and is coated on the cluster yarn; and the film is cut off through a blade of a film cutting mechanism; step V: pushing a film, wherein the film pressing device moves upwards and the film pressing device works to level the coating film exceeding the upper end surface of the yarn cluster to the upper end surface of the yarn cluster; and step VI: outputting finished products. The film-coating method is a film-coating method suitable for coating a layer of film outside the glass fiber yarn cluster.

The invention provides a crystallizer covering slag for continuously casting high-manganese high-aluminum steel and preparation method of the crystallizer covering slag. The covering slag is prepared from the following components in parts by weight: 20-38 parts of CaO, 20-35 parts of Al2O3, 5-18 parts of SiO2, 10-22 parts of BaO, 2-7 parts of Li2O, 5-12 parts of F<->, 1-4 parts of MgO, 2-8 parts of C and Fe2O3 which is less than or equal to 2 parts. According to the preparation method disclosed by the invention, wollastonite, limestone, quartz sand, fluorite, bauxite, barium carbonate, magnesia, soda, lithium carbonate and carbonaceous materials are used as raw materials, and the covering slag is prepared through the following steps of: calculating of consumption, melting, smashing, fine grinding, drying and granulation. The covering slag disclosed by the invention has the characteristics of being low in reactivity and good in property stability, the lubrication and the thermal transmission of casting blanks can be effectively coordinated and controlled, the smooth performing of the continuous casting process of the high-manganese high-aluminum steel can be guaranteed, high-manganese high-aluminum steel continuous casting blanks with excellent surface quality are cast, and multi-heat continuous casting can be realized.

The invention relates to the field of manure recovery or treatment, in particular to a biological manure recovery device which comprises a crushing mechanism, a centrifugal mechanism, a drying mechanism, a pressing mechanism, a forming mechanism and a collecting mechanism. The centrifugal mechanism is used for centrifugal dewatering, dewatered materials are transferred to the centrifugal mechanism, the pressing mechanism comprises two matched extrusion rollers, the extrusion rollers are used for pressing the dried materials into strips and transferring the strip materials to the forming mechanism, the forming mechanism comprises two opposite forming rollers, the surface of each forming roller is provided with a die cavity, and the two forming rollers are mutually matched to extrude the materials. Manure is dried and solidified, so that the biological manure is recovered, pollution of the biological manure to rivers and water can be reduced, and manure recovery degradation speed is increased. The structure is convenient and simple, bio-fuels or feed can be rapidly manufactured, production can be facilitated, miniaturized manufacture can be realized, the biological manure recovery device is applicable to mini-plants or livestock farms, and cleanness and sanitation of workplaces can be ensured.

A method for making a metal based nano-composite material is disclosed. In the method, a semi-solid state metal based material is provided. The semi-solid state metal based material is stirred and nano sized reinforcements are added into the semi-solid state metal based material to obtain a semi-solid state mixture. The semi-solid state mixture is heated to a temperature above a liquidus temperature of the metal based material, to achieve a liquid metal-nano sized reinforcement mixture. The liquid metal-nano sized reinforcement mixture is ultrasonically processed at a temperature above the liquidus temperature by conducting ultrasonic vibrations to the liquid metal-nano sized reinforcement mixture along different directions at the same time.

The invention provides a quick-setting adjustable cement-based underwater anti-dispersion ultrafast-hardening grouting material as well as a preparation method and application thereof. The quick-setting adjustable cement-based underwater anti-dispersion ultrafast-hardening grouting material comprises a component A and a component B, wherein the component A comprises 80-90% of a cementing material,3-10% of an active admixture, 3-7% of an expanding agent, 2-3% of a high-performance underwater anti-dispersion agent and 0.1-0.3% of a polycarboxylic acid high-performance water reducer; the component B comprises 80%-90% of a quick-hardening cementing material, 4%-10% of an active admixture, 3%-7% of an expanding agent, 2%-3% of a high-performance underwater anti-dispersing agent, 0.1%-0.3% of apolycarboxylic acid high-performance water reducing agent, 0.1%-0.2% of a retarder, 0.1%-0.2% of an early strength agent, 0.1%-0.15% of a thixotropic agent and 0.05%-0.1% of an interface impregnatingagent. The single liquid of the component A and the component B is long in working time, high in setting and hardening speed after being mixed, high in strength and good in underwater dispersion resistance, and the setting time can be adjusted by adjusting the ratio of the component A to the component B.

The present invention relates to a high-strength silicoaluminophasphate-34 (SAPO-34) microsphere catalyst, a method for preparing the same, and a method for preparing light olefins by using the same, and when described in more detail, the present invention relates to a method for preparing a SAPO-34 microsphere catalyst, including: spray drying a mixed slurry including a matrix, a binder, an additive, and the like to a SAPO-34 slurry prepared by a hydrothermal synthesizing method using various organic templates such as tetraethylammonium hydroxide (TEAOH), and the like alone or in mixtures to prepare microspheres, and firing the microspheres, and to a SAPO-34 microsphere catalyst for a circulating-fluidized bed reactor, prepared by the preparation method. The SAPO-34 microsphere catalyst of the present invention has excellent reaction activity while having high strength, and thus is appropriate for use in a circulating-fluidized bed reactor requiring high strength of the catalyst. Further, the SAPO-34 microsphere catalyst has a long life-span and excellent conversion rate of C₁ to C₄ oxygen-including compounds (oxygenates), and thus is appropriate for use in the preparation of light olefins such as ethylene, propylene, butene, and the like.

The invention provides a method for producing warp knitting coralon leather polyester filament. The processed POY protofilament is removed to false twist after being detected and balanced, the process flow is that: POY protofilament - a roller feeding in - a hot box for heating distortion - cooling - false twist - two rollers feeding in - two hot boxes for heating and forming - three rollers feeding out - oiling - DTY winding forming, a pre-network working procedure is added between the ROY protofilament and a roller feeding in. The method solves problem that coralon leather fabric processed by normal polyester has defects of no-soft hand touch, adhesive hair, down pile making, without coralon leather style, and can cover the prior art shortage.

The invention relates to an efficient scale inhibitor of a tail-gas compressor of a styrene device and an application method thereof, comprising hydroxylamine compounds, alcohol amine compounds and phenol compounds. The invention overcomes the disadvantages that the generation of polymer dirt in the tail-gas compressor can not be effectively inhibited by using an ethylbenzene physical spraying method, can thoroughly inhibit and suppress the radical polymerization of the styrene, alpha-methyl styrene, phenyl ethylene and the other activated alkenes in the styrene tail-gas compressor, and has the functions of metallic catalytic coke deposition suppression and detergency and dispersancy. The invention has the advantages of safety and environment protection, energy conservation and low energy consumption and simple use, has no influence on downstream processes, can effectively promote the operational cycle and working load of the styrene tail-gas compressor, reduce energy and material consumption of the styrene device, and can improve the economical and social effects of the whole styrene device.