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337results about How to "Big market demand" patented technology

Portable mapping unmanned aerial plane

The invention relates to a portable mapping unmanned plane. A mapping task is executed by the unmanned plane instead of a manned plane, and visible image data and video data can be acquired. The unmanned plane comprises a main body, wherein the main body is configured aerodynamically and provided with an H-shaped fixed wing and comprises a body, a wing, a horizontal tail wing, a vertical tail wing and a tail boom which are connected with one another through inserted pins; the main body is a lifting body main body, and the interior of the main body is sequentially divided into four cabins, namely an equipment cabin, a loading cabin, a parachute cabin and a power cabin from front to back according to functions; an airborne data transmission radio station and a loading part are respectively arranged in the equipment cabin and the loading cabin; an engine and a propeller are arranged at the back end of the power cabin, and an autopilot is arranged on the upper part of an oil tank in the power cabin; and a flap, an auxiliary wing, and steering engines of an elevating rudder and a yaw rudder are arranged in the tail boom. The unmanned plane has the characteristics that the unmanned plane is convenient to carry, easy to maintain and use, low in cost, reusable and the like, has great advantages in the aspect of emergency rescues and broad market demands and is easy to popularize and apply.
Owner:HIWING AVIATION GENERAL EQUIP

Method for preparing activated carbon from semi-coke and device used in same

The invention discloses a method for preparing activated carbon from semi-coke and a device used in the method. The method comprises the following steps of: taking semi-coke of which the volatile matter is greater than 5% and the thermal stability is greater than 70%, screening and feeding the semi-coke of which the granularity is 5-20mm into a rake-type activating furnace (8) to be subjected to activation treatment to generate the activated carbon; discharging the activated carbon from the rake-type activating furnace (8), cooling at a helix cooling machine (6) and conveying through a belt conveyer (7); and finally entering an activated carbon packaging period to be selected and packaged. According to the method, the structural characteristics of organic matter components and micro-pores of a semi-coke product are sufficiently utilized, and with the combination of the operation control principle of the domestic activation furnace, a novel process control method is innovated, and the activation process of the rake-type furnace is applied to the production process of the semi-coke-made activated carbon, so that the activation process control precision of a product is greatly improved, activated carbon products of higher quality are produced, the additional value of a semi-coke product is greatly increased, the application space of the semi-coke is widened, and the market requirements of the activated carbon are met.
Owner:HUADIAN HEAVY IND CO LTD

Decoupling-type free vibration suspending structure of bridge segment model

InactiveCN102175418AAdapt to initial position requirementsEasy to transportAerodynamic testingSet screwThree degrees of freedom
The invention relates to a decoupling-type free vibration suspending structure of a bridge segment model, which comprises a base, a body support rack, a pull rod, a bottom plate, a vertical guide post, a vertical sliding block, a spring connecting rod, a horizontal guide post, a horizontal sliding block, a rotating shaft, a force bearing disc and a connecting plate, wherein the spring connecting rod is respectively in threaded connection with upper and lower connecting shafts of the body support rack and two ends of the vertical sliding block; the bottom plate is fixed on two connecting shafts in the middle of the body support rack through threads, the vertical guide post is fixed on a support base of the bottom plate via a fastening screw, the vertical sliding block is inserted on the vertical guide post in a penetrating manner, the horizontal guide post is fixed at two ends of the vertical sliding block, the horizontal sliding block is inserted on the horizontal guide post in a penetrating manner, the force bearing disc is fixed on the rotating shaft via a flat key, and one end of the rotating shaft is inserted into the horizontal sliding block while the other end thereof is fixed with the connecting plate via a set screw. Three degrees of freedom in the structure of the invention can be locked independently, measurement can be carried out based on the desired degree of freedom, and with the spring tensioning forces in various directions being adjustable, the structure is suitable for the demands of various initial positions.
Owner:HARBIN INST OF TECH

Composite process of fuel alcohol and edible alcohol

The invention relates to a composite process of fuel alcohol and edible alcohol. In the production process of alcohol products, fermented mash mature in a self-fermentation unit enters a rough distillation column, crude alcohol distilled from the top of the rough distillation column is fed into a rectification column (2), liquid alcohol distilled from the side of the rough distillation column column is fed into a feed inlet of a rectification column (1), vapor phase objects distilled from the top of the rectification column (1) are fed into a molecular sieve absorption column, and thus, fuel alcohol is obtained. In the production process of edible alcohol products, objects distilled from the top of the rough distillation column and the top of the rectification column (1) and partial objects distilled from the boiler of the rectification column (2) are all fed into an aldehyde disengagement column, liquid alcohol distilled from the boiler of the aldehyde disengagement column is fed into the rectification column, and then, the liquid alcohol is distilled from the top of the column and fed into a reclaiming column as feed; the liquid alcohol is distilled from the side of the upper part of the rectification column (2) and fed into the feed inlet of a rectification column (3) , and qualified edible alcohol is distilled from the boiler of the rectification column (3). The invention realizes multiple varieties of alcohol products on the same device, effectively decreases consumption in materials and energy in the production process of fuel alcohol and edible alcohol, reduces the investment on device, and improves the market competitiveness of the fuel alcohol and the edible alcohol.
Owner:TIANJIN UNIV

Fixing device for spraying clamp

The invention relates to the technical field of machinery, in particular to a fixing device for a spraying clamp. The fixing device comprises a pressing block, a clamp rod and a clamping claw, whereina mounting hole is formed in the center of the bottom end of the clamping claw, the pressing block is located right above the mounting hole, the center of the bottom end of the pressing block is connected to a limiting rod fixedly, elastic plates are fixedly connected to two sides of the limiting rod, a spring is fixedly connected between the top end of each elastic plate and the limiting rod, two ends of each spring are fixedly connected to the side walls of each elastic plate and the limiting rod, separately, mounting grooves are formed in two sides of the top end of the pressing block, a pressure spring is fixedly connected in each mounting groove, a spacer is fixedly connected to the bottom end of each pressure spring, a cavity is formed in the center of the clamp rod, slots sinking inward are formed in two sides of the clamp rod, and the slots are adaptive to locking blocks in shape. By matching the pressing block with the clamp rod, the clamping claw can be mounted and detachedconveniently and rapidly, and the fixing device has a huge economical benefit and a wide market demand and is worth being popularized.
Owner:繁昌县众运机械制造有限公司

Sludge environment-friendly renewable coal and preparation method thereof

The invention relates to a sludge environment-friendly renewable coal and a preparation method thereof. The sludge environment-friendly renewable coal adopts the following formula: 45 to 70 percent of sludge, 25 to 50 percent of combustion improver, 1 to 5 percent of ignition substance, 1 to 5 percent of oxidant, 0 to 5 percent of sulfur fixing agent and 0 to 5 percent of forming agent; and adopts the following preparation technology: 1) the sludge is dried and dehydrated and is sent into a crusher to be crushed into powder after 24 hours; 2) the sulfur fixing agent, the oxidant and the forming agent are sent into a mixing machine to be uniformly blended to obtain a mixture; 3) the combustion improver is sent into the crusher to be crushed into powder which is uniformly mixed with the ignition substance to obtain the mixture; 4) the powder sludge which is obtained in step 1), the mixture which is obtained in step 2) and the mixture which is obtained in step 3) are sent into the mixing machine to be uniformly blended to obtain a mixture, and then the mixture is taken out to be pressed and formed to obtain the formed sludge environment-friendly renewable coal. The preparation technology is simple, the raw materials can be obtained easily, the technical problem of the sludge treatment is solved through a method with the lowest cost, and a renewable energy which can satisfy the market requirement is produced.
Owner:SUZHOU INDAL PARK RUIDE ENVIRONMENTAL SCI TECH

Method for producing one-dimensional nanometer flake zinc powder by directly electrolyzing strong alkaline solution

The invention provides a method for producing one-dimensional nanometer flake zinc powder by directly electrolyzing strong alkaline solution, relating to the production technology of flake zinc powder. The method is characterized by firstly preparing zinc-containing strong alkaline solution, wherein the solution contains 1-100g/L of Zn, 10-200g/L of OH<->, 5-70mg/L of additive A and 10-110mg/L ofadditive B; secondly taking a stainless steel plate as an anode and a magnesium plate as a cathode to electrolyze the solution for 1-180min under the following conditions: the distance between the two plates is 0.5-5cm; the current density is 100-2500A/m2; and the solution temperature is 10-100 DEG C, then stopping electrolysis, rapidly taking out the electrodeposit and washing the electrodepositwith water until the pH value of the water is lower than 8; and finally, rapidly vacuum-drying the washed electrodeposit, thus obtaining the one-dimensional nanometer flake zinc powder, wherein the electrolysis waste liquor is returned to be used for preparing the zinc-containing strong alkaline solution. The method has the following advantages and effects: the produced zinc powder has high activity, is flaky and is 10-100nm thick; the method is low in production cost and energy consumption, is simple to operate and is convenient for mass production; and the defects of high cost, high energy consumption, low capacity, difficulty in controlling quality and the like in the traditional production methods are thoroughly overcome.
Owner:TONGJI UNIV

Comprehensive utilization method of silicate minerals

The invention discloses a comprehensive utilization method of silicate minerals. The method comprises the following steps: firstly decomposing silicate minerals by using sulfuric acid as a decomposing agent, and carrying out acid leaching of residues for preparation of white carbon black; sending an acidolysis solution into a magnesium sulfate heptahydrate crystallizer to prepare a magnesium sulfate heptahydrate product and an acidolysis solution obtained after separation of magnesium sulfate; mixing magnesium sulfate heptahydrate and water, adding an oxidizing agent, a pH regulator and an adsorbent to convert iron in the solution to a ferric hydroxide precipitate, filtering to obtain a pure magnesium sulfate solution, sending the magnesium sulfate solution into a magnesium sulfate monohydrate powder dedicated preparation system to prepare a feed-grade magnesium sulfate monohydrate product; separating an iron precipitate from the acidolysis solution by an oxidation-precipitation process, carrying out oxidation, carrying out a polymerization reaction, and solidifying to prepare a solid polymeric ferric sulfate product; and sending the acidolysis solution after separation of the iron precipitate to a follow-up process to prepare a magnesium compound. According to the invention, insufficiencies such as high energy consumption during present technical process of production, low product purity and the like are overcome; and there is no emission of ''three wastes (waste gas, waste water and industrial residue) '' during the production process, so as to minimize the influence on the environment.
Owner:河南省睿博环境工程技术有限公司

Simple alcohol-based casting coating and preparation method thereof

The invention discloses a simple alcohol-based casting coating and a preparation method thereof and belongs to the field of casting coatings. The coating comprises the following components in parts by weight: 65-75 parts of zircon power, 1.5-4 parts of lithium-based bentonite, 1-2.5 parts of clay, 0.8-3.5 parts of resin, 5-10 parts of silica sol, 0.1-0.3 part of polyvinyl butyral and 45-55 parts of industrial alcohol. The coating preparation method sequentially comprises the following steps of: 1, weighing and grinding the zircon power, adding and grinding lithium-based bentonite, adding and grinding clay and silica sol, adding and grinding resin, wherein the powder is uniformly ground; and adding an additive polyvinyl butyral into the powder, and fully grinding to prepare dry powder; and 2, slowly adding alcohol into the dry powder, stirring to a proper concentration, and preparation the coating. The defects in the prior art are overcome, the coating has good effects on aspects of suspension, brushing property, high-temperature cracking resistance and burnt-on sand resistance, and the produced casting piece is excellent in surface quality; and moreover, the coating is simple and rapid in process, short in production cycle, high in production efficiency, low in cost and good in market prospect.
Owner:LANZHOU LANSHI CASTING

Device and method for producing regenerative electrolyte from aluminum-electrolysis carbon residues

The invention relates to a device and a method for producing regenerative electrolyte from aluminum-electrolysis carbon residues. The device comprises a sorting platform, a carbon residue stock bin, a crushing device, a first magnetic separation device, a ball milling device, a flotation tank, a second magnetic separation device, a sedimentation basin, a feeding device, a drying device, a third magnetic separation device, an intermediate frequency furnace, a dust-removal device and a chimney, which are sequentially connected with one another, wherein a carbon powder tank, a filter-press device and a carbon powder bin are further sequentially connected to the flotation tank, and a regenerative electrolyte bin is connected to the intermediate frequency furnace. The method comprises the following steps: (a) raw material sorting, (b) carbon residue crushing, (c) ball-milling, (d) flotation, (e) drying, (f) regenerative electrolyte refining, and (g) tail gas treatment. The method has the beneficial effects that the carbon residues are sorted to be a utilizable value resource, and basically no industrial waste residue is generated; the process is simple, the processing cost is low, the industrialized application is easily realized, the production water supply is completely recycled in the whole process, no polluted gas is discharged, and the method is a brand new method for processing and comprehensively utilizing the carbon residues and has a high promotional value.
Owner:JIANSHUI DEFU RENEWABLE RESOURCES

Energy-saving and clean fuel ethanol production method

The invention discloses an energy-saving and clean fuel ethanol production method. According to the energy-saving and clean fuel ethanol production method, a production process comprises a mash preparation unit, a distillation and dehydration unit and a mash waste processing unit; heating steam of a first distillation tower reboiler of the distillation and dehydration unit is fresh steam, and exhausted steam condensate is collected and conveyed to a first distillation tower column to directly heat tower bottoms. By means of the techniques of multi-stage multi-effect utilization of steam, side-draw impurity removal, two-stage desorption and regeneration, tail gas impurity removal via liquefaction and flashing, process wastewater recycling and the like, steam consumed for producing 1 ton of fuel ethanol products is less than or equal to 1.3 tons, and the acidity index of the fuel ethanol products is less than or equal to 40 mg/L, so that energy and material consumption during fuel ethanol production can be effectively reduced, clean production with zero emission of industrial wastewater can be achieved, the industrial problem that the acidity index of fuel ethanol products is instable and fails to meet the of GB18350-2013 denatured fuel ethanol standard requirements, and the marketing competitiveness of biofuel ethanol can be improved. The energy-saving and clean fuel ethanol production method belongs to the technical field of renewable clean energy technology.
Owner:TIANJIN UNIV

Wall building robot

A wall building robot comprises a framework, wheels, a steering wheel, a telescopic arm, a power device, a power source, an oil circuit system, a gas circuit system and an electronic control system, the telescopic arm is composed of a movable arm and a fixed arm which is connected with the framework and a first oil cylinder, the free end of the movable arm is connected with a second oil cylinder and a positioning part, and the positioning part is further connected with a third oil cylinder; a steering shaft device installed on a tail beam of the framework is connected with a rear wheel shaft and a direction control device, the positioning part is connected with a T-shaped frame provided with multiple sucking disc devices, a front wheel shaft is fixed on a frame through a linear bearing, and plug pins penetrating through the middle of the front wheel shaft are connected with z-shaped plates which are connected with a fourth oil cylinder. A sucking disc vehicle can not only move materials with large areas or weight materials with large areas, but also conduct multi-angle adjustment on lifted objects in the spatial position, and the wall building robot is suitable for being used in the occasions of conducting construction on objects such as various kinds of sheet materials with larger areas, fabricated parts, glass or unconventional bricks and stones.
Owner:GUANGXI FENGGE GREEN HOUSE CONSTRUCT TECH

Brewing alcohol production method

The invention discloses a brewing alcohol production method. The brewing alcohol production method mainly involves a liquefying unit, a fermenting unit and a rectifying and waste liquor treating unitand includes cross-gelatinization-point pulping, multiple-effect utilization of low-energy-level steam, non-condensable gas impurity removal of low-alcohol liquefied mash and recycling of process wastewater. An annular feeding pipe is used for a fermenting tank of the fermenting unit, bidirectional alternate feeding with sequential control is adopted, and the pipe is free from a fermented mash feeding lag deposit area, so that abnormal fermentation is inhibited. The brewing alcohol production method solves the industrial problems of alcohol product instability, high energy consumption, the requirement on redistillation and failure to reach the superfine edible alcohol standards of GB 18350-2013 in taste index of a mainstream brewing alcohol production technology, thereby meeting the development requirement of the liquid-base Baijiu industry. Brewing alcohol obtained by the brewing alcohol production method is 14-18% in alcohol content of mature mash, the alcohol yield of starch is notless than 92%, and zero wastewater discharge in a main production process is achieved through recycling of evaporation condensation water.
Owner:TIANJIN UNIV
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