Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

66results about How to "Improve decomposition rate" patented technology

Low-drunkenness type white spirit distiller's yeast as well as preparation method and application thereof

The invention discloses low-drunkenness type Baijiu distiller's yeast and a preparation method and application thereof. The prepared distiller's yeast can be used for producing baijiu, the physical and chemical indexes of the baijiu are good, fusel oil is reduced by 30%-57%, the metabolism speed of yeast is controlled by controlling the saccharification speed, and the generation of the fusel oil is reduced; meanwhile, lactic acid bacteria and bacillus subtilis of the distiller's yeast and bacteria cultured in a high-temperature stage can effectively inhibit the path of fusel oil metabolized by yeast, generation of fusel oil is further reduced, total ester and total acid are slightly increased basically, the content of total dibasic acid is increased by 10 times, and the content of dibasic acid diethyl ester is increased by 2 times. After the wine liquid is aged, drunkenness detection is carried out, and the comprehensive drunkenness Q is 0.6815-0.8325 and is far lower than a variety of commercially available white spirits (the comprehensive drunkenness is greater than or equal to 1).
Owner:GUANGDONG JIUJIANG WINERY CO LTD

A wind turbine blade material degradation and recycling device

The invention discloses a wind turbine blade material degradation and recycling device in the technical field of wind turbine blade recycling, comprising a preheating tank and a Stirling engine, wherein the inner wall of the preheating tank is provided with a preheating chamber; the input end of the Stirling engine is connected with the preheating chamber, and the output end of the Stirling engine is provided with a crushing mechanism for crushing the wind turbine blades; a wind selection mechanism for screening wind turbine blade fragments is provided below the preheating tank, the wind selection mechanism comprises a base, a wind selection channel and a wind selection chamber are provided in the base, a recovery plate is provided in the wind selection chamber, a plurality of screening holes are provided on the recovery plate, and the screening holes are successively reduced in order from top to bottom; a fan is provided on the side of the recovery plate away from the wind selection channel, a heating chamber is further provided below the recovery plate, and an insulating mechanism for sealing the heating chamber is provided between the heating chamber and the recovery plate; the reuse rate of heat energy is improved by the Stirling engine and the wind selection mechanism, the wind turbine blades are preheated, and the processing efficiency of the blades is improved.
Owner:JIANGSU UNIV OF TECH +1

Secondary aluminum ash denitrification treatment equipment

The utility model provides secondary aluminum ash denitrification treatment equipment. The secondary aluminum ash denitrification treatment equipment comprises a grinding device, a slurry pipeline, a gas-liquid separator and a gas collecting pipeline, the slurry pipeline is provided with a slurry inlet end and a slurry outlet end, and the slurry inlet end and the slurry outlet end are both communicated with the grinding device; the gas-liquid separator is arranged on the slurry pipeline and is used for separating gas generated by hydrolysis reaction of the secondary aluminum ash and water; and the gas collecting pipeline is communicated with the gas-liquid separator and is used for collecting gas generated by hydrolysis reaction of the secondary aluminum ash and water. According to the method, wrapping layers on the surfaces of aluminum nitride particles are stripped through the grinding effect, the hydrolysis reaction is continuously and efficiently carried out, the particle size of slurry particles can gradually become smaller in the grinding process, rapid proceeding of the hydrolysis reaction is better facilitated, gas is collected into a gas collecting pipeline in time, the reaction can be carried out in the forward direction, and the reaction efficiency is improved. The decomposition rate of aluminum nitride in the secondary aluminum ash is greatly improved, and the reaction time is shortened.
Owner:DONGGUAN CITY WONDERFUL CERAMICS IND PARK +2

Multifunctional low-temperature corn straw degrading composite microbial inoculant, preparation method and application

The application discloses a kind of multifunctional low-temperature degradation corn stalk composite microbial inoculant, preparation method and application, the composite microbial inoculant is compounded by multiple microorganisms with straw degradation, potassium solution and promoting function, comprising the following strains: bacillus subtilis K15, curvularia geniculata L11 and bacillus mycoides L31.The composite microbial inoculant constructed in the application realizes synergistic effect and functional complementation, through strain scientific compounding, straw decomposition rate is significantly improved, and decomposition period is obviously shortened;Enhance the adaptability and colonization competitiveness of microorganisms in winter low temperature and complex soil environment.The composite microbial inoculant of the application also has multiple functions such as straw degradation, potassium solution and IAA production, etc.At the same time of releasing nutrients by rapid decomposition of straw, it can convert difficult-to-use soil potassium into available potassium.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Slope cropland soil solidification material based on agricultural wastes and preparation method thereof

The invention discloses a slope cropland soil solidifying material based on agricultural waste and a preparation method thereof, and the slope cropland soil solidifying material is prepared from the following raw materials in parts by weight: 150-200 parts of a calcium lignosulphonate solution, 150-200 parts of a vinasse urease bacterium solution, 15-20 parts of phosphogypsum, 3-5 parts of urea, 2-3 parts of magnesium nitrate, 2-3 parts of calcium hydrophosphate and 2-3 parts of potassium carbonate. Wherein the calcium lignosulphonate solution is obtained by alkali treatment of corncobs, and the vinasse urease bacterial liquid is obtained by two-stage fermentation of corn vinasse with bacillus amyloliquefaciens and bacillus pasteurii. The prepared slope cropland soil solidification material can effectively utilize agricultural wastes, and can improve the soil structure and soil fertility and promote the growth of slope cropland plants while reducing water and soil loss.
Owner:CHINA THREE GORGES UNIV +2

Sewage treatment system for efficiently removing COD (Chemical Oxygen Demand) by catalyzing ozone with activated carbon

The utility model discloses a sewage treatment system for efficiently removing COD (Chemical Oxygen Demand) by catalyzing ozone with activated carbon, which comprises a reactor and a Venturi jet mixer, the Venturi jet mixer is used for uniformly mixing sewage, activated carbon suspension and ozone which are conveyed into the Venturi jet mixer, and a uniformly mixed gas-liquid mixed solution is conveyed into the reactor through a pipeline; and the reactor sends the reacted solution to a sedimentation tank for treatment. Ozone oxygenolysis and activated carbon adsorption are combined, and the activated carbon not only can play a role of an adsorbent, but also can play a role of catalyzing ozone, so that the decomposition rate of O3 is increased, the generation of strong oxidizing substances is promoted, and the removal rate of COD (Chemical Oxygen Demand) is increased; according to the present invention, the activated carbon is used to decompose O3, the COD is accumulated together by using the activated carbon, the decomposed O3 can well perform targeted removal on the COD, the O3 utilization rate is improved, the cost is reduced, most of the subsequently precipitated activated carbon sludge is subjected to reflux, and a small part of the subsequently precipitated activated carbon sludge is discharged, such that the carbon powder addition amount and the sludge generation amount can be effectively reduced.
Owner:北京清汐环保科技有限公司

Herbicide composition and preparation method thereof

The invention relates to a herbicide composition and a preparation method thereof, and relates to the technical field of agricultural herbicides, and the herbicide composition is prepared from the following raw materials in parts by mass: 40-50 parts of a herbicide drug-loading system, 3-5 parts of carbon black, 0.5-1 part of an anti-ultraviolet agent, 0.5-1 part of an antioxidant, 5-15 parts of a compound high-dispersity emulsifier and 10-15 parts of filler. The preparation method comprises the following steps: mixing carbon black, an anti-ultraviolet agent, an antioxidant and a filler, uniformly stirring, adding a herbicide loading system and a compound high-dispersity emulsifier, and uniformly stirring to obtain a mixture; and carrying out mechanical pulverization and airflow pulverization on the mixture, drying, screening and packaging to obtain the herbicide composition. The herbicide composition has the effect of improving the stability of the herbicide composition, the decomposition rate of the herbicide can be effectively reduced, and the weeding effect of the herbicide composition is improved.
Owner:JIANGSU YUNFAN CHEM

Feces and urine separated collection type harmless compost ecological toilet

The invention relates to an excrement and urine separating and collecting type harmless compost ecological toilet which comprises a toilet body, an excrement and urine separating and collecting device is arranged in the toilet body, a urine collecting barrel and an excrement collecting box are further arranged below the toilet body, and an excrement collecting area of the excrement and urine separating and collecting device is communicated with the urine collecting barrel through a flow guide pipe. A feces collecting area of the feces and urine separating and collecting device is communicated with the feces collecting box through a communicating pipe, a purifying assembly used for deodorization is arranged at the upper end of the interior of the feces collecting box, a conveying assembly used for conveying auxiliary materials into the feces collecting box is further arranged at the upper end of the feces collecting box, and a stirring piece is further arranged in the feces collecting box; a ventilation pipe used for being communicated with the rear end of the excrement collecting box is arranged on the rear side of the toilet body. According to the invention, manure and urine separation, purification and biological fermentation composting are integrated, and the sanitation problem of the pit latrine in the arid region and the recycling problem of manure in the pit latrine are solved.
Owner:FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI

Two-stage gas producer and coal gasification method

The invention discloses a two-stage gas producer and a coal gasification method, the gas producer comprises: a gas producer provided with a feed inlet, an upper-stage gas outlet, a lower-stage gas outlet, a second gasifying agent inlet, and a first gasifying agent inlet; the fire grate is arranged in the gas producer and is positioned below the second gasifying agent inlet; and a phenol water vapor outlet of the phenol water vapor stripping tower, which is communicated with the first gasifying agent inlet and the second gasifying agent inlet, is formed in the phenol water vapor stripping tower. The heat of the lower section coal gas is respectively used for heating phenol water in the reboiler and superheated steam in the superheater, the sensible heat of the lower section coal gas is recovered, the temperature of the lower section coal gas is reduced, the heat efficiency is high, meanwhile, the phenol water obtained after purification treatment of the upper section coal gas is recycled, and the resource utilization rate is improved.
Owner:BEIJING QING CHUANG JIN HUA TECH CO LTD

Wastewater treatment method of tetramethylammonium hydroxide

The invention relates to the technical field of wastewater treatment, and proposes a method for treating wastewater containing tetramethylammonium hydroxide, comprising the following steps: adjusting the pH value of wastewater containing tetramethylammonium hydroxide to 7-7.5, adding hypochlorite, sodium bicarbonate, sodium acetate and mesoporous silica, mixing, reacting, settling, and discharging water. Through the above technical scheme, the problem of low decomposition rate of tetramethylammonium hydroxide in the prior art is solved.
Owner:CANGZHOU SUNHEAT CHEM

A method for synthesizing a chromium ion-doped tungsten oxide complete photolysis water catalyst flat reactor

The invention discloses a method for synthesizing a chromium ion-doped tungsten oxide complete photolysis water catalyst flat reactor, comprising the following steps: step 1: fully dissolving sodium tungstate and chromium acetate in water and then mixing with glacial acetic acid to obtain a reaction solution, wherein the volume ratio of water to glacial acetic acid is 1:1, wherein the concentrations of sodium tungstate, chromium acetate, citric acid or trisodium citrate are 0.01-1 mol L −1 , 1×10 −3 ~0.4 mol L −1 , 0~2 mol L −1 , and the molar ratio of sodium tungstate, chromium acetate, citric acid or trisodium citrate in the solution is maintained at 1:0.1~0.4:0~2, and then transferred to a stainless steel autoclave reactor with a polytetrafluoroethylene liner. The synthesis method of the present invention significantly improves the activity of the complete photocatalyst for water splitting (solar energy → hydrogen (STH) conversion efficiency value 4.3%~6.1%), service life, and reduces its cost price.
Owner:NANJING TECH UNIV

A high efficiency heated resistance wire combustion tower

The utility model relates to the technical field of combustion tower discloses a high -efficient heating's resistance heating wire combustion tower, including the tower body, the first baffle is fixedly arranged in the tower body, the inner chamber is fixedly arranged in the upper end of tower body, the air inlet is fixedly arranged in the inner chamber upper end, the second baffle is fixedly arranged in the inner chamber, and the connecting pipe is fixedly arranged in the lower end of one side of inner chamber. In the utility model, the gas enters the inner chamber through the air inlet, and forms the cyclone again under the action of helical second baffle in the inner chamber, prolongs the gas residence time, promotes the incomplete combustion pollutant to continue oxidizing decomposition in the residual high temperature environment, ensures the complete purification, the first baffle and second baffle all adopt the spiral structure, can effectively prolong the gas residence time, improves the combustion fullness and decomposition rate, simultaneously, makes the gas fully use the heat, reduces the energy waste, and secondary purification does not need the additional energy consumption, reduces the energy consumption.
Owner:SUZHOU JIANGYUFENG INTELLIGENT TECH CO LTD

A method for synthesizing nitrogen-doped tungsten trioxide catalyst for complete photolysis of water

The present invention provides a method for synthesizing a nitrogen-doped tungsten trioxide complete photocatalyst for water splitting. Catalysts of different shapes are obtained within different ranges of the molar ratio of the tungsten precursor to hydroxylamine hydrochloride. The band structure of nitrogen-doped tungsten trioxide is regulated by adjusting the content of the N atom dopant, and the hierarchical structure morphology is controlled to increase the number of active sites and the diffusion and mass transfer capacity of water molecules. The synthesized four different types of nitrogen-doped tungsten trioxide complete photocatalysts for water splitting can effectively meet different requirements for the photocatalytic water splitting rate. Compared with the prior art, the method provided by the present invention significantly improves the solar energy to hydrogen (STH) conversion efficiency of the catalyst for complete photocatalytic water splitting, and the maximum conversion efficiency value can reach 3.8%, and reduces the cost of catalyst materials, which has practical significance for reducing the cost of green hydrogen production. The method provided by the present invention is suitable for large-scale preparation of complete photocatalytic water splitting catalysts.
Owner:NANJING TECH UNIV

Improved constructed wetland filler module

ActiveCN222331695Upollution-causing conditionsAvoid large sewage flowTreatment using aerobic processesWater contaminantsConstructed wetlandGear wheel
The utility model discloses an improved constructed wetland filler module, which relates to the technical field of constructed wetlands and comprises a wetland pool body, a PLC (programmable logic controller) and a fixing block are fixed on one side of the outside of the wetland pool body, a water inlet hole is formed in the wetland pool body, a micro motor is fixed at the top of the wetland pool body, and a water outlet hole is formed in the bottom of the wetland pool body. A circular gear is fixed to the output end of the micro motor, a supporting rod is fixed to the top of the fixing block and sleeved with a long-strip-shaped gear, a connecting rod is fixed to one side of the long-strip-shaped gear, and a baffle is fixed to the end, away from the long-strip-shaped gear, of the connecting rod and inserted into a water inlet hole of the wetland pool body. When sewage overflows the surface of the wetland pool body, the liquid level sensor transmits an electric signal to the PLC, the PLC starts the micro motor, and the baffle is controlled to block the water inlet hole under the meshing movement of the circular gear and the long-strip gear, so that the sewage is prevented from overflowing the surface of the wetland pool body to cause environmental pollution.
Owner:SHANDONG ACAD OF ENVIRONMENTAL SCI & ENVIRONMENTAL ENG CO LTD

Wastewater recovery device for hydroxypropyl methyl cellulose production

The utility model discloses a waste water recovery device for hydroxypropyl methyl cellulose production, which relates to the technical field of waste water recovery, and comprises a first pollution discharge shell and a second pollution discharge shell, the surface of one side of the first pollution discharge shell is communicated with the inside and is fixedly connected with a water inlet pipe; a sedimentation basket is placed on the inner wall of the periphery, attached to the bottom, of the inner bottom wall of the first sewage discharging shell, a first motor is fixedly installed in the surface of one side of the first sewage discharging shell, the outer surface of a limiting screw and the outer surface of a limiting sliding rod are sleeved with a first sliding sleeve frame and a second sliding sleeve frame correspondingly, and a water conveying pipe is connected between the first sewage discharging shell and the second sewage discharging shell in a communicating mode; a first water pump is fixedly mounted on the water conveying pipe, an air pump is fixedly mounted and connected to the surface of one side of the second pollution discharge shell, an air outlet pipe is communicated and connected with an air collection cylinder, the surface of the other side of the air collection cylinder is communicated to the outside and is provided with a plurality of jet heads at equal intervals, and a second water pump is fixedly mounted on the water outlet pipe, so that the effect of improving wastewater recovery is achieved.
Owner:SHANXI ZHICHENG CELLULOSE CO LTD

Coconut shell columnar activated carbon as well as preparation method and application thereof

The invention relates to coconut shell columnar activated carbon as well as a preparation method and application thereof. The preparation method of the coconut shell columnar activated carbon comprises the following steps: mixing and dipping coconut shell powder and an alkaline solution, and carbonizing to prepare a coconut shell carbonized material; mixing the coconut shell carbonized material with a binder and a solvent, and performing extrusion molding to prepare columnar carbon; the columnar carbon and a metal salt solution are mixed and soaked, metal salt loaded columnar carbon is prepared, and the metal salt solution comprises one or more of a sylvite solution and a sodium salt solution; and roasting and activating the metal salt loaded columnar carbon to prepare the coconut shell columnar activated carbon. The preparation method of the coconut shell columnar activated carbon is beneficial to increasing the specific surface area, and when the coconut shell columnar activated carbon is used for decomposing methyl chloroformate, the decomposition rate is increased.
Owner:WANHUA CHEM GRP CO LTD

Decomposition furnace deep self-denitration system and process capable of using alternative fuel

PendingCN119289687Areduce decompositionLow cost of environmental protectionFurnace typesPreheating chargesAlternative fuelsThermodynamics
The invention relates to a decomposing furnace deep self-denitration system and process capable of using alternative fuel. The decomposing furnace deep self-denitration system comprises a rotary kiln, a kiln tail smoke chamber, a decomposing furnace, a tertiary air pipe and an alternative fuel storage and transportation system, the decomposing furnace comprises a first-stage combustion furnace, a gasification furnace and a second-stage combustion furnace, the bottom of the first-stage combustion furnace is connected with the kiln tail smoke chamber, the bottom of the gasification furnace is connected with an outlet of the first-stage combustion furnace, and an air inlet of the second-stage combustion furnace is connected with an outlet of the gasification furnace; an air inlet of the second-stage combustion furnace is a volute type air inlet; the tertiary air pipe comprises a tertiary air lower branch pipe and a tertiary air upper branch pipe, the tertiary air lower branch pipe is connected with the side surface of the lower part of the primary combustion furnace, and the tertiary air upper branch pipe is connected with the bottom of the secondary combustion furnace; and an outlet of the alternative fuel storage and transportation system is respectively connected with the primary combustion furnace and the gasification furnace. According to the invention, the feeding fluctuation of alternative fuel can be reduced, the consumption of fire coal is saved, the problem that fuel type NOx is gradually released in a decomposing furnace in an extended range and is difficult to deeply remove is solved, and deep self-denitration is realized.
Owner:TIANJIN CEMENT IND DESIGN & RES INST CO LTD

Low-carbon natural air oxygen fermentation tank device in cold region

A kind of low-carbon cold region natural air admission aerobic fermentation tank device, including air inlet, fermentation tank, the upper portion of the fermentation tank is connected air inlet, air inlet outside has air inlet lip, air inlet inside has air guide pipeline, air guide pipeline inside is connected dust screen, air guide pipeline lower portion is connected air supplement pump, by preheating, the temperature of air admission is promoted to the suitable range of microorganism, improves the decomposition rate of organic matter;Preheating reduces the relative humidity of air, avoids material to be blocked due to excessive wet, and dry hot air promotes material loose, maintains porosity, ensures oxygen diffusion efficiency;By using tank heat preheating, energy self-sufficiency is realized, and operating cost is reduced;Heat production peak is preheated sufficiently, avoid overheating when heat production trough, reduce manual intervention, and carbon footprint is reduced.
Owner:HEILONGJIANG INST OF TECH

Method for catalytically decomposing lignin in supercritical ammonia by using high-entropy alloy catalyst

The invention relates to a lignin decomposition method and a used catalyst. The invention provides a high-entropy alloy catalyst, the high-entropy alloy catalyst is a supported catalyst prepared from a metal salt and a carrier, and the metal salt is composed of an iron salt, a nickel salt, a cobalt salt and a manganese salt. The invention also provides a preparation method of the high-entropy alloy catalyst. The method comprises the following steps: adding lignin and a high-entropy alloy catalyst into a high-pressure kettle, carrying out inert gas replacement on the high-pressure kettle, then filling liquid ammonia into the high-pressure kettle, then starting a high-pressure kettle heating program, heating to a reaction temperature according to a set heating program, and carrying out reaction for 2-3 hours; and raising the pressure until the ammonia reaches a supercritical state for reaction. The lignin catalytic decomposition method provided by the invention is simple to operate and high in lignin decomposition rate.
Owner:ZHEJIANG UNIV

Underground water organic pollutant remediation system

The utility model relates to a groundwater organic pollutant remediation system which comprises a grid caisson and an aeration assembly, a plurality of holes communicated with the outside and the inside are formed in the side wall of the grid caisson, the inside of the grid caisson is filled with filler, the aeration assembly comprises an aeration pipe and a fan, and the aeration pipe is communicated with the aeration assembly. The top end of the aeration pipe is connected with the fan, and the bottom end of the aeration pipe penetrates through the grid caisson to form an aeration end; the grid caisson is hung in a well and is stably arranged on the well wall, the grid caisson is filled with filler so that aerobic bacteria can breed, the aeration assembly can continuously supply oxygen to underground water and help the aerobic bacteria breathe, the aerobic bacteria decompose organic matter into water and carbon dioxide, and therefore the function of treating the organic matter in the underground water is achieved. Underground water does not need to be pumped to the ground, underground operation is directly carried out, the structure is simple, and energy consumption is reduced.
Owner:HUBEI TIANZHI RUIZHIHAI INNOVATION RES INST CO LTD

Material scattering device of cement decomposing furnace

The invention provides a cement decomposing furnace material scattering device, and relates to the technical field of cement production equipment, the cement decomposing furnace material scattering device comprises an annular material scattering box fixedly arranged on the outer side of the upper portion of a decomposing furnace in a sleeving mode, an annular partition plate is fixedly arranged in the annular material scattering box, and the annular material scattering box is sequentially divided into a material arranging chamber and a material scattering chamber by the annular partition plate from top to bottom; a plurality of communicating holes distributed at equal intervals along the circumference are formed in the annular partition plate, the material arranging chamber is communicated with the material scattering chamber through the communicating holes, and at least one feeding pipe communicated with the material arranging chamber is arranged on the upper portion of the annular material scattering box. The rotary material distributing assembly and the material scattering assembly are matched for cooperative work, so that raw material powder is uniformly dispersed along the circumference of the decomposing furnace, bias flow and non-uniform distribution are avoided, and the contact area of materials and high-temperature flue gas is increased; meanwhile, an airflow field in the furnace is adapted, eddy current and airflow short circuit are inhibited, the material retention time is prolonged, the raw material decomposition rate and the heat exchange efficiency are improved, and energy consumption is reduced.
Owner:CHANGNING RED LION CEMENT CO LTD

Modified 2, 6-diamino-3, 5-dinitropyrazine-1-oxide-based hybrid energetic material with high decomposition rate as well as preparation method and application of modified 2, 6-diamino-3, 5-dinitropyrazine-1-oxide-based hybrid energetic material

The invention discloses a modified 2, 6-diamino-3, 5-dinitropyrazine-1-oxide-based hybrid energetic material with a high decomposition rate as well as a preparation method and application of the modified 2, 6-diamino-3, 5-dinitropyrazine-1-oxide-based hybrid energetic material, and relates to the technical field of composite materials. The method comprises the following steps: firstly, obtaining an energetic high-nitrogen two-dimensional material (TAGP) formed by crosslinking triaminoguanidine nitrate (TAGN) and an aldehyde solvent, then inducing LLM-105 to crystallize by taking TAGP as a template material, and separating, washing and drying to obtain the LLM-105 / TAGP composite energetic material. The LLM-105-based composite energetic material provided by the invention has the characteristic that the thermal decomposition rate is greatly improved, compared with an LLM-105 raw material, the decomposition rate is improved by 50%, and meanwhile, the composite energetic material gives consideration to high safety of LLM-105. The preparation process is mild in condition, safe, environmentally friendly and easy to amplify, and is expected to be applied to the field of high-energy safe propellant charging.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

High-energy high-burning-rate hydroxyl-terminated polybutadiene propellant containing coated aluminum powder and DAP-4 and preparation method of high-energy high-burning-rate hydroxyl-terminated polybutadiene propellant

The invention provides a high-energy high-burning-rate hydroxyl-terminated polybutadiene propellant containing coated aluminum powder and DAP-4 and a preparation method of the high-energy high-burning-rate hydroxyl-terminated polybutadiene propellant. Comprising the following components in percentage by mass: 16 wt.% of hydroxyl-terminated polybutadiene, 18 wt.% of coated aluminum powder, 54 wt.% of ammonium perchlorate, 10 wt.% of high-energy explosive and 2 wt.% of toluene diisocynate. The invention further relates to a preparation method of the high-energy high-burning-rate hydroxyl-terminated polybutadiene propellant containing the coated aluminum powder and the DAP-4. The DAP-4 adopted by the invention is a high-energy explosive with extremely high combustion rate, and the combustion rate of the DAP-4 is 3-5 times of that of RDX, HMX or CL-20; therefore, the DAP-4 is applied to the hydroxyl-terminated polybutadiene propellant, so that the combustion rate of the propellant can be improved. The hydroxyl-terminated polybutadiene propellant prepared by the invention has the characteristics of high energy and high burning rate.
Owner:ZHONGBEI UNIV

Photoelectrochemical treatment method and device

The invention relates to a photoelectrochemical treatment method and device, and belongs to the technical field of petroleum and petrochemical sewage treatment and reuse, the treatment method comprises the following steps: carrying out flocculation pretreatment on sewage to obtain a supernatant; carrying out photoelectrochemical reaction on the supernate to obtain reacted sewage; and carrying out adsorption treatment on the reacted sewage to obtain discharged water. According to the treatment device disclosed by the invention, the gas-liquid filter screen is arranged, so that gas-liquid foam is prevented from overflowing and the influence on the reaction of an added medicament and sewage is avoided; the photoelectrochemical reactor adopts a tubular structure, so that the concentration of pollutants in the reactor can be kept uniform, and the reaction rate is stable without dead angles; the arrangement of the gas-liquid-foam extraction opening realizes the suction of gas-liquid foam, can timely dredge and discharge gases such as chlorine, oxygen and ammonia gas generated in oxidation reaction and foam generated by polymer reaction in sewage, keeps the pressure balance in the photoelectrochemical reactor, and avoids the influence of the gas-liquid foam on the full contact of the treatment liquid and the electrode plate at the same time.
Owner:CHINA NAT PETROLEUM CORP +1

An aerobic composting method for wood ear mushroom residue

A method for aerobic composting of Auricularia auricula-judae mushroom residue, relating to the field of Auricularia auricula-judae mushroom residue treatment, is disclosed to address the problems of slow temperature rise, insufficient composting, and unstable product quality associated with existing methods. The method comprises: 1. Mixing Auricularia auricula-judae mushroom residue, cow dung, and chicken dung to obtain a mixture; 2. Inoculating the mixture with lignocellulose-degrading bacteria; 3. Performing aerobic composting fermentation on the mixture after inoculation with lignocellulose-degrading bacteria, employing a staged intermittent composting process. This method promotes the composting and lignocellulose degradation of Auricularia auricula-judae mushroom residue, significantly increasing the composting rate, promoting the biotransformation of Auricularia auricula-judae mushroom residue, improving composting efficiency, and resulting in higher product quality stability. This invention is for the aerobic composting of Auricularia auricula-judae mushroom residue.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

A crop root stubble crushing device with a variable-direction disc knife stubble cutting composite magnetic spray tower

The application discloses a crop root stubble crushing device for root stubble of a variable-direction disc cutter combined with a magnetic type spray tower, which comprises an outer shell body, the front part of the outer shell body is provided with a triangular connecting frame, a ground stubble cutting mechanism is arranged in the outer shell body, and a ground root cleaning mechanism is arranged outside the outer shell body; the ground stubble cutting mechanism comprises a first support, a second support, a motor, a disc cutter and a camera, and the ground root cleaning mechanism comprises a magnetic type double-layer spray pyramid and a deep scarifier; the camera is used for observing the ground stubble, the angle of the cutter is changed in parallel and perpendicular to the stubble according to the actual situation, efficient variable-angle stubble cutting is realized, and the crushing effect is improved; the shape of the magnetic type double-layer spray pyramid is designed based on the distribution characteristics of the ground roots, the frequency of soil turning and soil entering is reduced, the soil disturbance is reduced, the surface soil is not damaged during the operation of the shallow soil layer, the soil preservation effect is good, the drug is used for accelerating the decomposition rate of the roots, and the residual roots in the soil are cleaned.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Low-energy-consumption high-strength inorganic insulation board and preparation method thereof

The invention discloses a low-energy-consumption high-strength inorganic insulation board and a preparation method thereof. The low-energy-consumption high-strength inorganic insulation board is prepared from the following raw material components in parts by mass: 18-30 parts of iron tailings, 0-12 parts of feldspar powder, 25-35 parts of water glass, 1-2 parts of hydrogen peroxide, 0.1-0.2 part of a cationic surface active agent hexadecyl trimethyl ammonium bromide and 0.05-0.15 part of a thickening agent sodium carboxymethyl cellulose. The prepared inorganic insulation board not only has excellent flame retardance and heat insulation performance, but also has low ecological toxicity, and the dry density, the compressive strength, the volume water absorption rate and other performance of the inorganic insulation board meet the JG / T435-2014 I type standard requirements. The preparation method disclosed by the invention is simple in process and free of high-temperature calcination, so that the preparation energy consumption is greatly reduced, the iron tailings and the feldspar powder in the used raw materials belong to bulk solid wastes, the raw material cost is reduced to a certain extent, the preparation method belongs to a low-energy-consumption preparation process, the preparation cost is reduced, and the preparation method has certain economic benefit value.
Owner:HEFEI UNIV OF TECH

Chemical regenerative turboshaft engine and working method

The invention discloses a chemical regenerative turboshaft engine and a working method. The engine comprises a core engine system, an engine power system and a fuel supply system. The core machine system comprises an air inlet channel, an air compressor, a combustion chamber, a gas turbine and a power turbine. The engine electric power system comprises a power turbine generator, an energy management system, a hot ammonia turbine generator and a hot ammonia turbine. The fuel supply system comprises an aviation fuel storage tank, an aviation fuel pump, an aviation fuel preheater, a fuel premixing chamber, a liquid ammonia storage tank, a liquid ammonia pump, a primary chemical regenerator and a secondary chemical regenerator. Chemical heat sink of ammonia fuel is fully utilized to extract heat energy from tail gas waste heat of the turboshaft engine, the tail gas waste heat utilization rate is increased, and the heat efficiency of the engine is improved; and meanwhile, the thermal expansion performance of ammonia fuel decomposition mixed gas is fully utilized, a hot ammonia turbine is pushed to generate electricity, electric power extracted from an engine spindle by a circuit system is reduced, the output power of the power turbine is increased, and the overall energy utilization level of the engine is improved.
Owner:HARBIN INST OF TECH

A red valley wine fermentation by-product recovery device

The application discloses a kind of red valley wine fermentation by-product recovery device, and the application relates to the technical field of liquor production;Including: extrusion tank, drying box, crushing tank, the structural design of the application by airflow conveying, step-by-step plugging and chamber sealing cooperation, can realize the effective separation of residual wine and vinasse material before red valley vinasse treatment early stage, avoid alcohol and functional active ingredients loss in the process of conveying and crushing, simultaneously create good conditions for vinasse subsequent resource utilization, effectively solve the problem that traditional processing technology cannot adapt to the nature of red valley vinasse, easy to cause active ingredient loss, significantly improve the utilization rate of by-product and resource recovery value.
Owner:ZHOUQU COUNTY YONGCHENG AGRICULTURAL SCIENCE & TECHNOLOGY DEVELOPMENT CO LTD

Compound microbial agent for efficiently producing acid from kitchen waste and application of compound microbial agent

The invention discloses a compound microbial agent for efficiently producing acid from kitchen waste and application of the compound microbial agent, and belongs to the technical field of waste treatment. The compound microbial agent disclosed by the invention comprises bacillus amyloliquefaciens, bacillus tequilensis and bacillus licheniformis. According to the method, a bacillus group is selected to prepare a kitchen waste fermentation microbial inoculum, and a multi-stage fermentation culture method of a mixed flora is adopted, so that the thallus quantity and activity of the bacillus are improved, the decomposition rate of large organic matters in the kitchen waste is increased, synthesis of downstream organic acids is promoted, and the yield of the organic acids is increased; a novel microbial resource is developed for efficient acid production of the kitchen waste, and a more efficient method is provided for kitchen waste treatment and sewage treatment.
Owner:WUXI TIMES TAOYUAN ENVIRONMENTAL PROTECTION EQUIP CO LTD