55results about How to "Increased accessible area" patented technology

The invention discloses a method for extracting longan pulp polysaccharide. The method comprises the following steps of (1) slurrying and slurry treatment: mixing fresh longan pulp and purified water, pouring a mixture into a homogenizer for slurrying, adding alkali liquor and activating at -4 to 10 DEG C for 10-12 hours to obtain an activated liquid; (2) enzymolysis and concentrating treatment: adjusting the pH value of filtrate, adding a copper oxide-zirconium oxide catalyst and ternary complex enzyme to filtrate, carrying out enzymolysis under the condition of 200-500W of microwave irradiation and then carrying out ultra-filtration concentration on enzymatic hydrolysate obtained through enzymolysis; (3) centrifugal treatment: mixing a concentrated liquid and a mixed alcohol solution, and collecting an educt by adopting a centrifugal machine; and (4) spray drying treatment. An alkali liquor low-temperature activating enzyme association technology is introduced into an extraction preparation process of the longan polysaccharide; the yield of a target product is obviously improved in comparison with a conventional technology; and meanwhile, the method has the characteristics of being efficient, fast, low in cost and suitable for massive industrial production.

The invention relates to the technical field of a clean energy source, in particular to a coal and biomass mixing process. The mixing liquification of coal, biomass and oil is creatively realized forthe first time. Firstly, coal and biomass raw materials are subjected to treatment of crushing, compression and secondary crushing; then, slurry is prepared; biomass coal oil slurry with high solid content and capability of being stably conveyed by a pump is successful obtained, so that high-viscosity waste oil which cannot be used as a coal and biomass liquification solvent in the prior art can also be utilized. Hydrogen gas is introduced into the biomass coal oil slurry for reaction, so that coal and biomass are liquified at high pressure and high temperature; then, cracking and hydrogenation reaction are further performed, so that the conversion of coal and biomass into biological oil is realized. The process provided by the invention has the advantages that the coal and biomass conversion rate can reach 90 to 99 percent; the yield of the biological oil can reach 60 to 80 percent; the residue quantity is not higher than 2.5 weight percent.

The invention relates to the technical field of clean energy, and specifically provides a multi-grade liquefying technology of coal and biomass. The technology is characterized in that the coal and the biomass raw materials are processed by crushing, compressing and crushing again, then the sizing is prepared, so that biomass diesel oil which is high in solid content and can be stably conveyed through a pump can be obtained; high-viscosity waste oil which cannot be used as a coal and biomass liquefying solvent in the prior art can be utilized. According to the technology, coal and biomass canbe liquefied under high pressure and high temperature in the existence of proper volume of water; the liquefying product is sequentially subjected to primary cracking, hydrogenation reaction and deepcracking and hydrogenation reaction under the effects of resisting hydrogen and a first catalyst and a second catalyst, so that the coal and the biomass can be converted into biomass oil, and the biomass oil can be refined; the conversion rate of the biomass and the coal is up to 95-99%; the yield of the biomass oil is up to 70-80%; and moreover, the residue content is less than 2.5%.

The invention discloses a core-shell hollow Cu(OH)2@Au@Co(OH)2 composite material as well as a preparation method and application thereof. The microstructure of the product is controlled by adjustingthe injection rate of a raw material liquid, a synthesized precursor Cu2[Fe(CN)6]3@Au@Co2[Fe(CN)6]3 has a regular cubic morphology, nano gold particles are uniformly distributed at the core-shell interface, and the conductivity of the composite material is remarkably improved. NaOH with different concentrations is used for etching the precursor, and the generated Cu(OH)2@Au@Co(OH)2 crystal has a three-dimensional nano flower-like morphology, a large specific surface area and multiple catalytic sites. An electrochemical sensor prepared from the Cu(OH)2@Au@Co(OH)2 composite material is suitablefor enzyme-free detection of glucose in serum, and has the advantages of high sensitivity, strong stability and good selectivity.

The invention provides a method for preparing CNT-Cu composite powder by a solution combustion method, and relates to the field of composite material preparation. The method comprises the following steps that (1), copper nitrate, functionalized carbon nanotubes, cane sugar and deionized water are mixed, and then subjected to ultrasonic stirring for 30 minutes to enable all the components to be uniformly mixed to obtain a mixed solution; (2), the mixed solution obtained in the step (1) is poured into a corundum crucible to be heated, and the mixed solution is combusted to obtain precursor composite powder after undergoing water evaporation, boiling and bubbling; and (3), the precursor powder obtained through combustion of the solution in the step (2) is reduced to obtain the carbon nanotubecopper composite powder by adopting a reduction process in an aqueous solution powder mixing method. According to the method for preparing the CNT-Cu composite powder by the solution combustion method, the process is simple, the reaction is rapid, the efficiency is high, the cost is low, the product purity is high, all the components can achieve uniform mixing on the molecular level, moreover, inthe combustion process, the material experiences relatively large temperature change in a short time and then possibly generates a metastable phase, and then the phase-to-phase bonding strength can be improved.

The invention discloses an optical fiber conduction green light source and an all-fiber laser backlight source device. The green light source device comprises a blue laser I, an optical fiber I, a fluorescence converter and an optical fiber II which are connected in sequence, the all-fiber laser backlight source device comprises the above optical fiber conduction green light source device, a second blue light laser, a red light laser, a third optical fiber, a fourth optical fiber, a fifth optical fiber, an optical fiber beam combiner and a focusing collimating mirror. The second blue laser isconnected with the third optical fiber, the red laser is connected with the fourth optical fiber, and the second optical fiber, the third optical fiber and the fourth optical fiber of the green lightsource device are jointly combined and inserted into the optical fiber beam combiner. The other end of the optical fiber beam combiner outputs the fifth optical fiber, and the tail end of the fifth optical fiber is provided with the focusing collimating mirror. According to the green light source device, the green light luminous intensity and the conversion efficiency are improved, and the laser backlight source device is low in production cost, good in device thermal management and high in projection quality.

The invention relates to the technical field of clean energy, particular to a coal and biomass co-refining process. According to the present invention, the mixing liquefaction of coal and biomass is firstly achieved; coal and a biomass raw material are sequentially subjected to crushing, compressing and re-crushing, then a slurry is prepared so as to successfully obtain the biomass coal water slurry having the high solid content and capable of being stably conveyed by a pump, a reaction is performed by introducing hydrogen into the biomass coal water slurry so as to hydrolyze the coal and thebiomass at a high temperature under a high pressure, and the hydrolyzed product is further subjected to cracking and hydrogenation so as to achieve the conversion of the coal and the biomass to biological oil; and with the process, the conversion rate of coal to biomass is up to 90-100%, the yield of the biological oil is more than 60-86%, and the generated coke is less than 0.1%.

The invention relates to the technical field of clean energy, and particularly relates to a blending process of coal and biomass. The invention provides a method for producing light oil by liquefyingcoal and biomass. Treatments of grinding, compression and regrinding are carried out on coal and biomass raw materials, then slurry is prepared, biomass coal oil slurry which has a high solid contentand can be stably conveyed by a pump is successfully obtained, and high-viscosity waste oil which cannot be used as a liquefaction solvent of coal and biomass in the prior art can also be utilized. The method can ensure that the coal and the biomass are fully liquefied to liquid phases through twice liquefaction reactions, and the yield of liquid oil is improved. The yield of light oil is furtherimproved by subsequent separation and hydrogenation steps, particularly the yield of low-distillation-range oil such as naphtha and the like in the light oil is improved, and the residue content of subsequent light oil is reduced.

The invention discloses an open end wrench capable of being wrenched to and fro. The open end wrench comprises a body which is provided with a grip jaw; a sliding chute is formed in the grip jaw; a chute body of the sliding chute can be processed at one time; a sliding block can slide along an arc in the sliding chute and is provided with a guide slot through which a guide column can pass to ensure a structure is reinforced and does not fall off easily; two sides of a first wrenching plane of the sliding block are provided with a first expanding surface respectively; a first jaw and a second jaw of the clamping jaw, the first wrenching plane of the sliding block and an inner circle diameter formed between two expansion surfaces can rotate relative to an axis position of a working substance and do not generate clamping interference; and the areas of the expansion surfaces of the two sides of the sliding block are expanded outward from the first wrenching plane to two side walls of a first support wall and a second support wall of the body, so the contact area of the first wrenching surface and a fourth forward-direction stress surface of the contacted working substance is increased.

The present invention disclosed an apparatus for reverse rectification, relating to the field of civil engineering technology. The apparatus for reverse rectification comprises two sets of steel plate hooks, which are reversely arranged and respectively fixed on the building and the skewed large-scale structure that needs to be rectified, and a jack which is horizontally placed on the steel plate hooks. The steel plate hooks, which are driven by the jack, push the skewed structure towards the existed building, whereby the skewed structure and the existed building can be spliced correctly. This present invention has more advantages, e.g. simple structure and convenient operability, which can improve the construction efficiency and reduce the construction costs. Therefore it can be widely used in the field of civil engineering technology. Further, the present invention also discloses a method for reverse rectification by using the apparatus.

At present, in various experiments of work, life and study of people, shoes and socks worn by people, sofas, chairs, stools, desks, beds and bedclothes used by people, vehicles and boats used by people are usually insulators or/and parts of the shoes, the socks, the sofas, the chairs, the stools, the desks, the beds, the bedclothes, the vehicles and the boats, which are in contact with the ground, and parts of the shoes, the socks, the sofas, the chairs, the stools, the desks, the beds, the bedclothes, the vehicles and the boats, which are in contact with a human body, are insulators, accumulation of static electricity continuously generated by the human body in the human body is caused, thus all sorts of diseases of the human beings and contabescence of the human body are caused at present. The invention relates to a static electricity earthing device of the human body, which is characterized in that a human body contactable part and a ground contactable part are respectively embedded, adhered and coated by using metals or conductors and are electrically connected by using the metals or conductors. When people uses the shoes, the socks, the sofas, the chairs, the stools, the desks, the beds, the bedclothes, the vehicles and the boats, original applications of the shoes, the socks, the sofas, the chairs, the stools, the desks, the beds, the bedclothes, the vehicles and the boats are maintained, and static electricity continuously generated by the human body is increased to be fully and immediately conducted into the ground, thus the functions of preventing and treating the diseases of the human body are obtained, and the effects of being full of energy and being beneficial to health of the human body are achieved.

The invention relates to the technical field of clean energy, in particular to a process for smelting coal and biomass. The coal and biomass materials are subjected to 'crushing, compression and crushing again' treatment, and biomass coal oil slurry with high solid content and capable of being conveying stably by a pump is successfully obtained. The biomass coal oil slurry is subjected to first liquefaction reaction and second liquefaction reaction sequentially, so that the fact that the biomass is completely liquefied into liquid phase and the yield of the liquid is increased; through twice gas and liquid separation, oil products are enriched and the residues in the oil products are enriched and caked; and through first distillation and second distillation, the yield of the liquid oil isfurther increased, the residues in the liquid oil is further enriched and caked and is discharged to the outside through the bottom of a distillation device, the residues are prevented from entering the subsequent process and the residue solid content of the liquid oil is reduced; and through test, the yield of the liquid oil is above 98 percent by weight and the residue solid content of the liquid oil is less than 0.5 percent by weight.

The invention relates to an automatic manure removal device which comprises a power mechanism; the power mechanism comprises a fixing frame, a motor, a direction-change button, a thread spool, a speed reduction mechanism, a driving shaft, a driven shaft and a conveying belt, the thread spool is provided with thread grooves, the thread grooves are connected with a traction rope, and the traction rope is connected with four auxiliary wheels and a manure removal device body at a minimum. The manure removal device body comprises a scrapping plate, a U-shaped supporting frame, fixed rotation pieces, a rotation rod, auxiliary rods, first supporting rods, a thread guide opening, a fixing device, a first rope fixing device, a fixing rod, second supporting rods and a second rope fixing device. The automatic manure removal device has the advantages that the device is simple and stable in structure, low in manufacturing cost, practical in function and convenient to operate, safety and practicability are improved, and work efficiency is improved.

The invention relates to the technical field of clean energy sources, and particularly provides a multi-stage liquefying technology of coal and biomass. The multi-stage liquefying technology comprisesthe following steps of firstly, compressing the coal and biomass raw materials, crushing, and crushing again; preparing into a slurry, so as to successfully obtain biomass water coal slurry which hashigh solid content and can be stably conveyed by a pump. The multi-stage liquefying technology of coal and biomass has the advantages that the coal and the biomass are hydrolyzed at high pressure andhigh temperature, and the hydrolyzed product is sequentially subject to primary cracking, hydrogenation reaction, deep cracking and hydrogenation reaction under the actions of critical hydrogen, a first catalyst and a second catalyst, so as to convert the coal and biomass into bio-oil and refine the bio-oil; the conversion rate of biomass and coal can reach 97 to 99%, the yield rate of bio-oil can reach 70 to 80%, and the amount of residues is lower than 3%.

The invention relates to the technical field of clean energy, and in particular relates to a co-processing process for coal and biomass. According to the process provided by the invention, ''compression + crushing + re-crushing'' treatment is firstly performed on coal and biomass raw materials, so that a biomass coal water slurry which has a high solid content and can be smoothly transported by apump is successfully obtained; the biomass coal water slurry is subjected to a first liquefaction reaction, and a second liquefaction reaction is performed, so that the biomass is fully liquefied intoa liquid phase, and the liquid yield is improved; through two times of gas-liquid separation, an oil product is enriched, and at the same time, residues in the oil product are enriched and agglomerated; through first distillation and second distillation, the yield of liquid oil is further improved, residues in the liquid oil are further enriched and agglomerated, the residues are discharged outwards from the bottom of a distillation device to the outside, so that the residues are avoided from entering the subsequent process, and the solid content of the residues in the liquid oil is reduced.