37results about How to "Promote sustainable economic development" patented technology

The invention provides an identification code-containing device and device system and a method for recycling the identification code-containing device. The invention sets articles or services to be managed in parallel with at least one device with a unique identification code or a device with a unique identification code, and scans or receives the identification code with the intelligent terminalbefore and after, and combines the relevant information in the system. The server generates a unique transaction ID in the system, and uses the unique identification code and the intelligent terminal,and its management device and system to manage the material or service data, and realizes the goods, services and exchange resources without printing the waybill or bill. The transfer and managementprocess, and the identification code form or the identifier-containing device can be recycled to the management process including the identification, classification, merging, transfer, transmission and reception, evaluation, statistics, and settlement. The program is applicable to various scenarios of commodity distribution, catering and take-out, second-hand item transfer sharing, transmission maintenance and repair, garbage classification and clearing and receiving, product life cycle management, volunteer management, and precision poverty alleviation.

The invention relates to high-efficiency compound biopeptide forage for ruminants and a production method thereof. The production method includes the following steps: raw material is primarily selected, crashed, swelled and formulated; the swelled raw material is filled in a grinder for crashing; after being mixed by weight percentage, the crashed and swelled raw material and the biopeptide forage are stirred in a forage mixer. The production method breaks through the formulation and the production technology of the concentrated feed of the protein of cows and sheep; the swelling technique, the urea slow release technique, the biotechnique and the nutrition regulation technique of the ruminants are adopted for the scientific and reasonable collocation of nonprotein nitrogen, cereal seeds,soybeans, seed cakes and agricultural products, then cows and sheep protein forage with high efficiency, high energy and high protein is produced by utilizing the swelling technique, the urea slow release technique and the nutrition balance technique. The production technology can increase the utilization rate of nonprotein nitrogen substance such as the urea, and the like, for the ruminants, prevent the ruminants from urea poisoning, reduce feeding cost and have overall nutrition.

The invention discloses a microalgae type microbial fuel cell. An anode chamber is provided with a top cover, the lower portion of the anode chamber is provided with an air release opening, the side surface is provided with four water outlets which are used for discharging water and sampling; anaerobic sludge is placed on a reaction matrix in the anode chamber, and the top cover of a reaction areais provided with a top water inlet, a reference electrode as well as an anode conducting wire fixing opening and two reserved holes; a cathode chamber is provided with a sealing cover, the lower portion is provided with an air release opening, the side surface is provided with four water outlets, the cathode chamber is used for culturing algae, the top cover is provided with a top water inlet, areference electrode as well as a cathode conducting wire fixing opening and two reserved holes of different sizes; and the anode chamber and the cathode chamber are connected into a whole by virtue ofa flange, a silicone plate is arranged on the junction for sealing, and the silicone plate is provided with a proton exchanging membrane to separate the anode chamber and the cathode chamber. The cell is simple in structure and easy in implementation, and not only can the research use in the experimental period be satisfied, but also the theoretical foundation can be provided for the actual use of the microalgae microbial fuel cell.

The invention discloses a process for recycling reclaimed water in residential buildings and a manpower driving device thereof, and belongs to the technical field of reclaimed water recycling. At present, a process and a device capable of well and comprehensively recycling reclaimed water are absent. The technical scheme is that: the used reclaimed water is subjected to filtration and classified collection, and is continuously pumped to different water consumption containers such as water tanks and the like at a higher elevation from a lower elevation by means of air pressure and the capacity of an air lift pump of pumping the reclaimed water, and finally, the excessive reclaimed water is totally used for washing toilets and kitchen drainage with more oil can be directly used for washing the toilets. The invention has the advantages that: the process for recycling the reclaimed water in the residential buildings has novelty, creativeness and practicability, and is perfect combination of advanced combination technology and a simple process device; and the process device can be completely driven by manpower without other energy, and is an energy-saving water-saving device.

The invention relates to a method for treating biological hanging films with high-alkali type saline-alkali water and belongs to the technical field of water treatment. The invention aims to solve the problems that the treatment time of existing biological hanging films is long, and the biological films are easy to damage. The method for treating the biological hanging membrane comprises the following steps: 1, a biological film culture system consists of a fixed biological bed culture pool and a movable biological bed culture pool, and microbial strains are inoculated on floating filter material carriers; 2, the floating filter material carriers in the fixed biological bed culture pool are closely arranged above a stainless steel mesh, water is sprayed through an annular water outlet pipeline for biological treatment culture, and backwashing is performed during the culture to obtain the floating filter material carriers adhered with the biological films; 3, water is sprayed in the movable biological bed culture pool through the annular pipeline to keep moving the floating filter material carriers for biological film culture; 4, the floating filter material carriers are respectively transferred into a fixed biological filter and a movable biological filter. The method provided by the invention has the benefit that the biological treatment culture is constantly simulated through water flow, so that the culture of the biological films is accelerated, and the adhesion quality of the biological films is improved.

The invention discloses a method for adsorbing and removing fatty acid in wastewater by utilizing polyaluminium chloride modified graphene oxide. The method comprises the following steps: preparing graphene oxide suspension liquid by using natural graphite as a raw material and using a Hummer method; adding a certain amount of polyaluminium chloride solution into the graphene oxide suspension liquid, and evenly mixing to obtain polyaluminium chloride modified graphene oxide suspension liquid; evenly mixing the polyaluminium chloride modified graphene oxide suspension liquid with the wastewater in a certain volume ratio, and oscillating to obtain the graphene oxide suspension liquid adsorbing the fatty acid; simultaneously converting graphene oxide into floccules; filtering to obtain purified water in which the fatty acid is removed and the graphene oxide after adsorption reaction. According to the method disclosed by the invention, the graphene oxide is modified by utilizing the polyaluminium chloride, so that negative charge of the surface of the graphene oxide is changed into positive charge; through electrostatic adsorption and chemical adsorption, the adsorption volume of the graphene oxide adsorbent on the fatty acid is improved; through a flocculation effect of the polyaluminium chloride, the solid-liquid separation efficiency of the graphene oxide adsorbent is greatly improved.

The invention relates to a roller steel slag fine aggregate and composite slag powder cemented material, which solves the problem that the existing steel slag can not completely replace cement for producing the cemented material owing to high production cost and can be only made into low-strength (less than C30) concrete. The cemented material is composed of composite slag powder and roller steelslag in the weight ratio of 1:1-4; and the composite slag powder is composed of 8-35wt% of a blended material and 65-92wt% of the slag powder, wherein, the blended material is made by finely grindingat least one of 25-99wt% of plaster, 0-75wt% of silicate cement clinker and 0-5wt% of an additive. The cemented material of the invention can completely replace a cementitious material, and the material has the advantages of high strength grade, simple production process, low production cost and stable product performances, thus being especially applicable to preparing high-strength concrete withgood service performances and various engineering with higher flexural strength requirement.

The invention discloses a graphene-oxide aliphatic amine removing agent and an application method thereof. Natural graphite is used to prepare graphite oxide; acid pickling is performed and then water washing is performed; centrifugation is performed; vacuum freeze drying is performed on the centrifuged graphite oxide for 24-72 hours; the dried graphite oxide is ground to powder; the powder is uniformly dispersed in water to obtain a graphite oxide solution; ultrasonic exfoliation is performed on the graphite oxide solution for 5-15 min; centrifugation is performed on the exfoliated suspension liquid; and the graphene-oxide aliphatic amine removing agent is obtained by getting the supernatant. The prepared removing agent is uniformly mixed with wastewater containing aliphatic amines; vibration and an adsorption removal reaction are performed; and finally, a gas flotation method is used for recycling of the removing agent, so that the removing agent and purified water after the adsorption reaction are obtained. The method provided by the invention uses the graphite which has a low price and rich reserves as a raw material, adopts a mature Hummer method to prepare the graphene oxide suspension liquid, and can realize good low-cost industrialized preparation. The prepared removing agent can be used to remove aliphatic amines directly, has a good adsorbing property, is easy for solid-liquid separation, and has a good industry application prospect.

A method for cultivating seedlings of hard-wood cutting of sea buckthorn in gobi of a high and cold arid region in winter includes steps of (1) constructing a greenhouse, (2) preparing cutting medium, (3) preparing before cutting, (4) treating cutting shoots, (5) cutting hard wood, and (6) managing and transplanting after cutting. The method is wide in shoot sources, long in growth time, good in stock quality and high in survival rate; in the gobi of the high and cold arid region, hard-wood cutting seedling cultivation of the sea buckthorn can be implemented, batch production of high-quality stock can be quickly developed into the industry, the ecological environment of the desert is improved and sustainable development of economy is accelerated.

The present invention relates to feed, and is especially production process of composite biochemical feed for pen raised ox and sheep. The production process includes the following steps: sorting material, crushing, puffing, compounding materials, crushing the puffed material, and mixing puffed material, biological protein feed, cotton seed, DDG, rumen regulator and composite pre-mixed material in certain weight proportion in a mixer. The production process has puffing technology, urea slow releasing technology, biotechnology, ruminant nutrient regulating technology combined together in producing high efficiency high energy and high protein feed for ox and sheep with urea, corn, soybean, bean residue and bentonite.

The invention discloses a biological membrane culture system in saline-alkaline water fish aquiculture, belongs to the technical field of water treatment, and aims to solve the problems that a biological membrane in an existing culture device is long in membrane forming time and easy to damage. The biological membrane culture system comprises a fixed biological bed culture pond and a movable biological bed culture pond, an annular water outlet pipeline and an annular back flushing pipe are arranged in the fixed biological bed culture pond, an overflow pipe is vertically arranged at the center of the pond bottom, a pipe port in the top of the overflow pipe serves as an overflow port and higher than a stainless steel mesh arranged on the pond surface, a first annular water spraying pipeline and a second annular water spraying pipeline are arranged in the movable biological bed culture pond, a water outlet is formed in the center of the pond bottom, and an overflow cover covers the water outlet. According to the culture system, biological membranes on floating filter material carriers are continually stimulated by water flow, biological membrane culture is accelerated, the adhesion quality of the biological membranes is improved, and firmness of the biological membranes can resist impact of water pressure ranging from 0.5MPa to 0.7MPa.

The invention discloses a method for preparing salt-free 2-amino-1,5-naphthalenedisulfonic acid, which comprises the following steps: (1) performing a sulfonation reaction; (2) refining sulfonation solution; (3) performing acid eduction; (4) decreasing and maintaining temperature; (5) centrifuging; (6) refining acid filtrate; and (7) recovering sulphuric acid tail gas and SO3 gas. Based on the technical scheme of the invention, the method for preparing salt-free 2-amino-1,5-naphthalenedisulfonic acid is suitable for industrial production, requires low sulfonation reaction temperature and mild reaction conditions, causes fewer byproducts, realizes high conversion rate and high selectivity, lowers labor intensity, allows the acid filtrate and harmful gas to be recycled and relieves environment pollution.

The invention relates to a method for preparing p-aminodiphenylamine, which comprises the following: (1) a step of condensation, in which, nitrobenzene and aniline produce condensation reaction in the presence of a catalyst to generate condensation solution including 4-nitrodiphenylamine and 4-nitrosodiphenylamine; (2) a step of extraction, in which, water phase and organic phase in the condensation solution are separated by an extracting method; (3) a step of reduction, in which, hydrogen and the organic phase of the condensation solution produce reduction reaction in the presence of the catalyst to generate reduction solution including the p-aminodiphenylamine; (4) a step of separation, in which, the p-aminodiphenylamine is separated from the reduction solution to form crude p-aminodiphenylamine feed liquid; and (5) a step of rectification, in which, the p-aminodiphenylamine is separated from the crude p-aminodiphenylamine feed liquid in a rectification mode to form a p-aminodiphenylamine product. The method is suitable for serialized industrialized production in large scale, and has the advantages of low reduction reaction temperature, mild reaction condition, few side products, high conversion rate and selection, low labor intensity and no corrosive liquid, thereby reducing pollution to environment.

The invention discloses a degradation device and method for landfill leachate based on a microbial fuel cell-Fenton system. The degradation device includes: a left chamber and a right chamber, and the left chamber and the right chamber pass proton The exchange membrane is separated, the left chamber is the anode chamber of the electric Fenton system, the right chamber is the cathode chamber of the electric Fenton system, and the left chamber is equipped with a microbial fuel cell, which is used for the electric Fenton through the action of microorganisms. The voltage is provided by the Dayton system; the anode electrode is arranged in the left chamber; two groups of first cathode electrodes and a group of second cathode electrodes are arranged in the right chamber at intervals, wherein a group of first cathode electrodes and anode electrodes connected through a first external circuit, another set of first cathode electrodes and second cathode electrodes are connected through a second external circuit; and a first resistance box and a second resistance box. The invention couples the microbial fuel cell and the electric Fenton system, and has the characteristics of high-efficiency degradation, energy saving and no secondary pollution.