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137results about How to "Effective settlement" patented technology

Settlement control method for shallow large-section loess tunnel

The invention provides a control method for a shallow large-section loess tunnel. The method solves the problem of disorder of the conventional settlement control method for the shallow large-section loess tunnel. The method comprises the following steps of: determining a settlement control standard, and formulating a settlement management value; performing construction by adopting a double side wall pilot drift method, namely digging left and right side pilot tunnels, digging an upper step and a middle step on each side, digging an upper step, a middle step and a lower step on a middle pilot tunnel, reserving core soil during digging the side pilot tunnels and the middle pilot tunnel, and finally digging an inverted arch; implementing an advanced support method of a double-layer big tube shed and small conduits; and implementing a primary support method for arch foot reinforcement, wherein the arch foot reinforcement comprises a step of setting a lock pin anchor tube and a large arch foot. Compared with the similar tunnel surface settlement control method, the method has the advantages of effectively controlling the stability of a heading side, reducing the influence of construction on the ground surface, effectively controlling the ground surface settlement, simplifying the construction process and improving the efficiency.
Owner:BEIJING JIAOTONG UNIV

Method and device for paying vehicle parking fee

The invention discloses a method and a device for paying vehicle parking fee. The method comprises that a control terminal acquires the current time at which a vehicle is driven out and controls an image acquisition device to capture image data of the vehicle when the vehicle is driven out of a parking lot gate, and identifies the license plate number of the vehicle according to the captured image data of the vehicle; the control terminal finds out the stored time at which the vehicle is driven in and calculates the fee of the vehicle according to the current time at which the vehicle is driven out and the stored time at which the vehicle is driven in; and the control terminal determines a payment mode of the identified vehicle license plate number according to a mapping relation between prestored vehicle license plate numbers and payment modes, and deducts the fee of the vehicle according to the determined payment mode. According to the invention, the control terminal determines the payment mode of the parking fee and pays the parking fee according to the mapping relation between the prestored vehicle license plate numbers and the payment modes, thereby enabling users to clear the parking fee rapidly and effectively according to the preset payment modes, and saving the time spent on paying the vehicle parking fee.
Owner:XIAN IRAIN IOT TECH SERVICES CO LTD

Electrostatic spraying streetlamp device capable of eliminating PM2.5 (Particulate Matter 2.5)

The invention discloses an electrostatic spraying streetlamp device capable of eliminating PM2.5 (Particulate Matter 2.5). The device comprises a streetlamp pole, a power supply, a lamp and a high-voltage electrostatic spraying system, wherein the power supply is electrically connected with a light-operated streetlamp controller of the lamp; the lamp is positioned on a lamp arm; the high-voltage electrostatic spraying system comprises a metal nozzle, a DC (Direct Current)-high-voltage DC inverter, a liquid storage tank, a water pump and a spraying controller for controlling the DC-high-voltage DC inverter and a water pump motor to work; the spraying controller is electrically connected with the power supply; the water pump is connected with the metal nozzle through a liquid delivery pipe; the metal nozzle is connected with the positive electrode of the voltage output end of the DC-high-voltage DC inverter; the negative electrode of the voltage output end of the DC-high-voltage DC inverter is grounded. According to the device, illumination is provided; in addition, air can be purified, and PM2.5 in the air can be effectively eliminated; the device can be implemented by modifying and upgrading the conventional streetlamp, and is high in practicability, easy to implement and suitable for wide popularization.
Owner:QINGDAO KANGYUAN JULI BIOTECH CO LTD

Operation supporting platform system for supporting stream media business

An operation platform supporting stream media service consists of client service layer including management module of MCP configuration information, transmission interface module of service content and management module of service content; service management layer including service certification module with secondary certification interface module and certification processing module, service fault management module with fault collection module, service fault relation module, service fault display module and service fault processing module; and network management layer.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

Large-diameter long pipe curtain construction method for shallowly-buried large-span under-tunnel-passing architectural structure

ActiveCN103696784ARammed earth layers are clearReduce vibration effectsUnderground chambersTunnel liningRebarPile cap
The invention provides a large-diameter long pipe curtain construction method for a shallowly-buried large-span tunnel under-tunnel-passing architectural structure. The large-diameter long pipe curtain construction method comprises the following steps: (1) constructing manual hole digging supporting piles for supporting a pipe curtain and hole digging hoarding piles at the both sides; (2) pouring a pile cap beam, and forming an n-shaped supporting structure supported by the plurality of piles at the both sides of a hole; (3) pouring and jacking a steel pipe back wall, paving a steel pipe sliding way, hanging the steel pipes and forming the pipe curtain by ejecting; (4) excavating a soil body in the longitudinal length direction in a part and block manner; (5) constructing a first section rigid framework digging pile foundation of a main body, a bearing table and a rigid framework of the main body under the protection of the pipe curtain at the top and the lateral face and a temporary support, preserving anchoring lengths on vertical steel bars of the bearing table and a main body structure; pouring between the main body structure and a steel pipe; (6) repeating steps (4) and (5) until the last section of the soil body is excavated and the corresponding main body structure is poured; and (7) dismounting the n-shaped supporting structure above the bottom face of the bearing table, constructing the residual n-shaped rigid framework at the both ends, and pouring a separated type bottom board, so as to form an integral structure. With the adoption of the construction method, the normal using functions of important architectural structures at the upper part are not influenced during construction; the sedimentation of the ground and the architectural structures above the ground can be effectively controlled.
Owner:SHENYANG RAILWAY SURVEY DESIGN CONSULTING CO LTD

Spraying type PM (Particulate Matter) 2.5 purifying device based on TiO2 nano fluid

The invention discloses a spraying type PM (Particulate Matter) 2.5 purifying device based on a TiO2 nano fluid. The spraying type PM2.5 purifying device comprises an air blower, a gas inlet pipe, a water pipe, a water pump, a spraying purifying container, a first top cover, a sprayer, a first demisting separation net, a communicating pipe, a rotary purifying container, a bubble cutting machine, a motor, a TiO2 nano fluid, an exhaust pipe, a negative ion generator, a silencer, a second top cover and a second demisting separation net, wherein the sprayer is located at the inner side of the spraying purifying container, the first demisting separation net is fixedly connected into the spraying purifying container, the bubble cutting machine and the second demisting separation net are located in the rotary purifying container, the exhaust pipe is arranged in the second top cover, the exhaust pipe is communicated with the inner side and the outer side of a shearing purifier, a transmission shaft of the motor penetrates through the side wall of the rotary purifying container and is connected with the bubble cutting machine, and the spraying purifying container and the rotary purifying container are internally filled with the TiO2 nano fluid. The purifying device is capable of effectively adsorbing PM2.5 in air.
Owner:TONGLING TONGFEI TECH

Prism-free surface settlement level monitoring method

The invention relates to a prism-free surface settlement level monitoring method, which comprises the following steps: 1) when an automatic total station is installed, selecting four regional control points; 2) respectively calculating coordinates of points to be measured in control regions by calculating coordinates of evenly dividing points of long sides and short sides; 3) obtaining the horizontal direction angle and the vertical angle of the automatic total station according to the coordinates of each point and the coordinates of a station observation point; 4) rotating the collimation axis of the automatic total station to the angle through an automotive motor, measuring the distances S from the station observation point and each grid point and the vertical angle alpha, and obtaining the height difference H between the station observation point and each grid point based on the formula H = D . tg(alpha); 5) storing the obtained data on the automatic total station and transmitting the data to an upper computer by the automatic total station through a wireless transmission module; and 6) displaying final results on a display screen after data processing of the upper computer. Compared with the prior art, the invention has the advantages that the settlement of a hard flat surface on which a round prism cannot be installed can be monitored.
Owner:上海市地矿工程勘察(集团)有限公司 +1

Amphiphilic graphene quantum dot material, preparation method thereof, fluorescent coding anti-counterfeiting ink based on the material and preparation method of the ink

The invention discloses an amphiphilic graphene quantum dot material, a preparation method thereof, fluorescent coding anti-counterfeiting ink based on the amphiphilic graphene quantum dot material and a preparation method of the fluorescent coding anti-counterfeiting ink. Hydrophobic citrate is used as a carbon source, hydrophilic amino alcohol is used as a nitrogen doping agent, and the amphiphilic graphene quantum dot material with hydrophobic ester groups and hydrophilic alcoholic hydroxyl edge groups is prepared through carbonization treatment. The prepared amphiphilic graphene quantum dot material has a high fluorescence quantum yield and good light, heat and chemical stability, and can be dispersed in various polar and non-polar solvents. Under certain conditions, the amphiphilic graphene quantum dot material can form an aggregate on the surfaces of a solution and a solid, and fluorescence emission of the amphiphilic graphene quantum dot material is changed from a single peak tomultiple peaks. The aggregation degree and aggregation state of the amphiphilic graphene quantum dot material are regulated and controlled, so that the fluorescence emission intensities of the amphiphilic graphene quantum dot material at different wavelengths are correspondingly changed, and the fluorescence coding marking based on the fluorescence intensity ratio is realized.
Owner:XI AN JIAOTONG UNIV

Method for advanced treatment of yeast waste water

The invention relates to an advanced treatment method of yeast waste water, the advanced treatment method of yeast waste water is characterized in that the following steps are included: the inorganic flocculant is added in yeast waste water biochemical water after biochemical treatment, and quickly stirred in a stirring rotation rate ranging from 300 to 600 revolutions per minute; wherein, the inorganic flocculant is aluminium salt or iron salt, and the adding amount of the inorganic flocculant complies with that: 11to 15mM Fe3+ or Al3+ is added into a gram COD of yeast waste water; and then the organic flocculant is added and stirred; the organic flocculant is cation type polyacrylamide, 2 to 10 milligrams of organic flocculant is added in each liter of yeast waste water biochemical water; after stirring, the mixture enters into the settling pond for separating the solid from the liquid as well as settling the flocculation; the supernatant solution is directly discharged or further removed the COD and the chrominance by active carbon absorption. The invention has advantages of high removal rate of COD and chrominance.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Method for extracting total ribonucleic acid (RNA) of fish brain tissue

The method provides a method for extracting total ribonucleic acid (RNA) of fish brain tissue. The method specifically includes subjecting the fish brain tissue to liquid nitrogen quick freezing, trizol lysate treatment, low-temperature high-speed centrifugation, and extraction by ammonium sulfate and chloroform n-butyl alcohol, adding isopropanol-sodium acetate for mixing, subjecting a mixture to adsorption and purification through an RNA purification and adsorption column, performing deoxyribonucleic acid (DNA) enzyme treatment, and performing washing to obtain total RNA of the fish brain tissue. According to the method for extracting the total RNA of the fish brain tissue, the influence of lipids (such as phospholipid, glycolipid, and cholesterol) and proteins in the fish brain tissue on RNA extraction is avoided, and the RNA separation and purification method is stable in purity, good in integrity, high in repeatability, and free of pollution.
Owner:BEIJING FISHERIES RES INST

Parking meter

The invention provides a parking meter comprising a support, a housing, a man-machine interaction panel and an embedded control main board as well as a device for outside charging, wherein the device for outside charging is provided with an alternating-current power grid interface and a communication network interface which are connected with an alternating-current power supply cable and a communication cable of a mains supply, the embedded control main board and the device for outside charging are installed in the support and the housing, and the man-machine interaction panel is positioned on the support. The parking meter has the function of charging, thereby solving the problem that electric vehicles need to wait for a long time when charging in a charging station, and benefiting the generalized use of the electric vehicles.
Owner:深圳市顺锋铭科技有限公司

Treatment method for water with high sediment content for micro-irrigation

The invention discloses a treatment method for water with high sediment content for micro-irrigation, and belongs to the water treatment field. A specific treatment method comprises the following steps of guiding water from Yellow river to an output channel, reaching an artificially-constructed settling channel through the channel for naturally settling sediment; entering settled water into a water storage tank for storage in an overflow form; naturally settling sediment by a V-shaped weir inside the water storage tank; then, slowly passing through a filter wall for filtering; taking clear water from a water source filtered by the filter wall by a floating barrel after a great deal of sediments and planktons are isolated; and finally, feeding the clear water obtained by the floating barrel into a gravel-laminate filter system for mechanically filtering. Water from Yellow River or similar sediment water treated by adopting the method disclosed by the invention can effectively separate sediment in the water, and can block various inorganic and organic impurities in water, so that the water quality finally reaches requirements of micro-irrigation water quality.
Owner:陈林

Intelligent parking lot management terminal and system

The invention provides an intelligent parking lot management terminal and system. The intelligent parking lot management system comprises an entrance barrier gate, an exit barrier gate, license plate acquisition devices, a management server, a cloud payment platform and an intelligent parking lot management terminal. The system calculates the parking time through recording license plate numbers of incoming and outgoing vehicles, and performs parking fee payment through the intelligent parking lot management terminal. Means of payment comprise various electronic payment modes such as a unionpay card, unionpay flash payment, WeChat, Alipay and a two-dimensional code. Users are enabled to settle the parking fee quickly and effectively, and the fee payment time is saved. Meanwhile, the barrier gates also adopts an IC / two-dimensional code parking card to act as a management mode for incoming, outgoing and parking of fixed long-term users, and the vehicle incoming, outgoing and parking efficiency is improved.
Owner:SHANGHAI HANTAI INTELLIGENT TECH

Multistage-strengthened water-self-purification and water-power-regulation-and-control water purification process and system

PendingCN106315987ADoes not affect the function of flood control and drainageReduce flow rateWater treatment parameter controlWater aerationIron saltsSelf purification
The invention relates to a multistage-strengthened water-self-purification and water-power-regulation-and-control water purification process. The process comprises the steps: (1) adding an aluminum-salt or iron-salt inorganic macromolecular coagulant before a primer pump according to the dosage of 5ppm to 30ppm; (2) adding a polyacrylamide coagulant aid to a flocculation reacting section according to the dosage of 0.01ppm to 0.1ppm, mounting a perforated pipe to the bottom of an absorption basin area, and carrying out aeration; (3) planting amphibious plants along the bank of a settling river reach; (4) arranging an ecological overflowing gate at the tail end of a settling dam so as to control the water retention time of a settling dam section to 90 to 120 minutes, control the flow velocity to be lower than 0.1m / s and control the water level difference with a downstream riverway to 30cm to 50cm; (5) arranging a downstream regulating lock in the downstream riverway so as to control water flow velocity and form progressive water head; (6) arranging a regulating lock for each branch when the downstream riverway has a plurality of branches. The invention further relates to a special system for the process. By adopting the process and the system, provided by the invention, on the basis of not affecting hydraulic engineering facilities and riverway draining function, water of diverted water is purified in a remarkable-effect and low-cost manner, and the self-purification capacity of the riverway water is improved.
Owner:CHINA WATER RESOURCES PEARL RIVER PLANNING SURVERYING & DESIGNING

Vibration screen dust settling device

The invention discloses a vibration screen dust settling device which comprises a machine body, a dust settling box, a material screening chamber and a discharging chamber. A feeding hopper is fixed to the left upper end of the machine body. The material screening chamber and the discharging chamber are arranged in the machine body. The material screening chamber is located above the discharging chamber. A screen is mounted between the material screening chamber and the discharging chamber. Multiple atomizing spray heads are fixed to the inner wall of the material screening chamber. The dust settling box is mounted on the right side of the machine body and is in sealed connection with the material screening chamber through a pipeline. A dust settling chamber is arranged in the dust settling box. A settling net is fixed to the top of the dust settling chamber. A first discharging opening formed in the right side of the machine body is located below the dust settling box. The vibration screen dust settling device is simple and reasonable in structural design; the settling effect on dust is remarkable and efficient; the dust is recycled effectively; energy saving and environment friendliness are achieved better; operation is simple and convenient; and economic practicality is high.
Owner:XINXIANG ZHEN YING MACHINERY EQUIP CO LTD

Oil sludge demulsifier and preparation method thereof

The invention discloses an oil sludge demulsifier and a preparation method thereof. The invention belongs to the technical field of demulsifier preparation. The oil sludge demulsifier comprises a demulsifier main agent and a solvent, wherein the demulsifier main agent is a mixture of a surfactant and an amide organic matter; the preparation method comprises steps: uniformly mixing the surfactant and the solvent; adding amide organics, stirring to obtain a finished product; the oil sludge demulsifier disclosed by the invention is scientific in formula proportion; process is simple, manufacturing cost is low, stability is high, application range is wide, easy industrial application is achieved, the stability of the oil sludge can be broken after adding of the oil sludge demulsifier into theoil sludge; an oil phase and a water phase in the oil sludge are effectively separated; meanwhile, after a flocculating agent is added, impurities in the oil-containing sludge can be effectively settled, separation is conducted in a centrifugal mode and the like, crude oil is effectively purified, the separated crude oil can be subjected to resource recovery, sewage directly enters a water treatment system to be treated, and reduction and resourceful treatment of the oil-containing sludge can be achieved.
Owner:CHINA SPECIAL EQUIP INSPECTION & RES INST

Manufacturing method of efficient biological organic fertilizer

The invention relates to the technical field of fertilizer processing and in particular relates to a manufacturing method of an efficient biological organic fertilizer. The manufacturing method comprises the following three steps of: (1) biogas residue manufacturing; (2) secondary settlement; and (3) sterilizing and packaging. In the manufacturing process, pig manure is soaked by adopting treatment water, so that foul smell of the pig manure is effectively reduced, and meanwhile, in the treatment process, self-made activated sludge can be adopted to treat the pig manure, so that peculiar smell of the pig manure can be effectively removed, and the BOD content in the pig manure sewage can be effectively reduced. By using a plant flocculant from independent research and development to treat the wastewater, secondary pollution is not caused while the flocculation effect in the wastewater is enhanced. By adopting a synergic additive from independent research and development, the content of microelements in the organic fertilizer is effectively increased.
Owner:BAMA MINIATURE PIG AGRI & ANIMAL HUSBANDRY

D-limonene-containing ink detergent and preparing method thereof

The invention provides D-limonene-containing ink detergent and a preparing method thereof. The D-limonene-containing ink detergent is prepared from, by mass, 15-25% of D-limonene, 2-4% of methyl oleate, 1-5% of calcium dodecyl benzene sulfonate, 3-6% of surfactant, 0.2-0.6% of sodium metasilicate, 0.2-0.6% of sodium oxalate, 0.2-0.4% of instant modified sodium disilicate and the balance deionized water. The preparing method includes the steps that at normal temperature, surfactant, methyl oleate and calcium dodecyl benzene sulfonate are added into water and fully stirred, after all the components are fully dissolved, D-limonene, instant modified sodium disilicate, sodium metasilicate and sodium oxalate are added and stirred to be transparent and clarified, and the obtained uniform liquid is the water-based D-limonene-containing ink detergent. The detergent is environmentally friendly, high in cleaning efficiency and system stability and high in corrosion resistance.
Owner:HEFEI TIANXIANG ENVIROMENT PROJECT

Novel energy-saving high-heat-dissipation-property PVC (polyvinyl chloride) cable sleeve

The invention relates to a cable sleeve, particularly a novel energy-saving high-heat-dissipation-property PVC (polyvinyl chloride) cable sleeve. The invention aims to provide a PVC cable sleeve which has the advantages of high temperature resistance, favorable aging resistance, high insulating strength, high volume resistivity, favorable flexibility and high compression strength. The technical scheme is as follows: the novel energy-saving high-heat-dissipation-property PVC cable sleeve comprises the following raw materials in percentage by weight: 5-10% of stabilizer, 3-5% of lubricant, 3-5% of filler, 1-2% of toner, 1-2% of compression resisting agent, 1-2% of other materials and the balance of PVC resin. The preparation method comprises the following steps: grinding raw materials into powder with the fineness of 80-100mm; evenly mixing the raw material powder obtained in the previous step at 135-150 DEG C; and respectively adding the mixture obtained in the previous step into two conical double screw extruders to coextrude cable sleeves, wherein the working temperature of the conical double screw extruders is 180-210 DEG C.
Owner:LVLIANG POWER SUPPLY COMPANY STATE GRID SHANXI ELECTRIC POWER +2

Multistage filtering deduster

ActiveCN108554108AEven and consistent airflowStable pressureCombination devicesPulp and paper industry
The invention relates to a multistage filtering deduster. The multistage filtering deduster comprises a shell, an ash bucket, a cover plate and a horizontally arranged separator plate mounted at the inner side of the shell, the separator plate divides the inner side of the shell into an upper part and a lower part which are not communicated, the ash bucket is mounted below the shell, the cover plate is mounted above the shell, a mixed flow chamber is formed among the shell, the ash bucket and the separator plate, a flow collecting chamber is formed among the shell, the cover plate and the separator plate, the shell is provided with an air inlet communicated with the mixed flow chamber, and the shell is provided with an air outlet communicated with the flow collecting chamber; the separatorplate is provided with an axially-vertically-arranged inner cylinder placed in the mixed flow chamber, the inner cylinder is rotatably connected with the separator plate, and a flow guiding chamber is formed at the inner side of the inner cylinder; the inner cylinder is provided with a special-shaped filter bag with opened top and bottom, placed below the inner cylinder, the vertical position ofthe special-shaped filter bag corresponds to the position of the air inlet, and the inner cylinder is provided with a pressurization fan placed at the inner side of the special-shaped filter bag; andthe separator plate is provided with a plurality of vertically-arranged micro-porous filter bags placed in the flow guiding chamber, and the upper ends of the micro-porous filter bags upwards go through the separator plate and are connected with the separator plate.
Owner:XINYI HONGRUN QUARTZ SILICA POWDER

Novel automotive air conditioner with photocatalyst function

The invention discloses a novel automotive air conditioner with a photocatalyst function. The novel automotive air conditioner comprises a device shell, a functional circuit and air conditioner grids, wherein the air conditioner grids are arranged on the surface of the device shell. The novel automotive air conditioner is characterized in that a containing box for storing a photocatalyst air purifying liquid is further arranged on the device shell, wherein the photocatalyst air purifying liquid is a liquid spray agent and is prepared from nanometer titania photocatalysts; an atomizing nozzle is further arranged on the containing box and extends to the bottom of the containing box through a guide pipe; the nanometer titania photocatalysts include nanometer titania, nanometer mineral crystal powder, diatomite, tourmaline and polysiloxane clathrate. As the spray agent used in the novel automotive air conditioner is in a moving free state, can be rapidly spread and has the characteristics of large purifying space and user-adjustable scope, the noxious and harmful gases in the air of an automobile can be rapidly and effectively degraded, and the novel automotive air conditioner has the functions of deodorization, mould proofing and air purification and has no toxicity and secondary pollution.
Owner:WM MOTOR TECH GRP CO LTD

Novel wet-process flue gas desulfurization wastewater treatment system

The invention relates to a novel wet-process flue gas desulfurization wastewater treatment system which comprises a high-efficiency precipitator (2) and is characterized in that the high-efficiency precipitator (2) is communicated with a desulfurization wastewater source, the outlet of the high-efficiency precipitator (2) is communicated with a high-efficiency precipitator sludge discharge pump (25) and a PH adjusting tank (3) through pipelines; the PH adjusting tank (3) is communicated with a softening reaction tank (7); the softening reaction tank (7) is communicated with a settling tank (11); the settling tank (11) is communicated with a tubular micro-filtration membrane (15); the tubular micro-filtration membrane (15) is communicated with a backwashing water column (16); the backwashing water column (16) is connected with a clean water tank (20); a membrane cleaning acid liquid metering tank (31) and a membrane cleaning alkaline liquid metering tank (32) are respectively communicated with a clean water pump (33); a sludge concentrator (23) is communicated with a membrane concentrate discharge electric valve (22), a box type filter press filtrate discharge electric valve (29) and an outlet of a settling tank sludge discharge pump (24) through the pipeline. The novel wet-process flue gas desulfurization wastewater treatment system provided by the invention has the characteristics of being novel in process, compact in structure, stable in running, and low in investment and running expense.
Owner:国能朗新明南京环保科技有限公司

New process for purifying magnesium alloy

The invention discloses a new process for purifying a magnesium alloy material. The process is based on a conventional magnesium alloy casting process, no any extra purification fusing agent is added, and the aim of effectively purifying alloy is achieved through adopting an optimized fusant heat preservation and standing process. The concrete steps for purifying comprises: (1) carrying out heat preservation and standing on a magnesium alloy fusant which is refined and has chemical compositions meeting the requirement, wherein the temperature for heat preservation and standing of the fusant is 730-780 DEG C, and the time for heat preservation and standing is 30-100 minutes; and (2) switching off a smelting furnace, reducing the temperature of the fusant to be 710-730 DEG C, casting the fusant to a mould, and hydrocooling or directly air cooling and solidifying to obtain a magnesium alloy cast ingot. The process has an obvious purification effect, the content of common impurity elements such as Fe, Si, Ni and Cu in the magnesium alloy can be reduced obviously without bringing in new impurities or being mixed, the quality and the overall performance of the magnesium alloy material are improved obviously, and process equipment is conventional and universal equipment with lower cost, easiness in operation, and easiness in implementation in industry.
Owner:CHONGQING UNIV

System for multi-settlement

The invention belongs to the field of bio-fertilizer recycling treatment, and discloses a system for multi-settlement. The system comprises a settlement device, a water inlet pipeline and a water outlet pipeline, wherein the settlement device comprises multiple settlement ponds which are sequentially connected, and a settlement opening is formed in the upper part between every two adjacent settlement ponds; the first settlement pond is communicated with the water inlet pipeline; the water outlet pipeline is connected with the last settlement pond. According to the system for the multi-settlement, disclosed by the invention, the structure is simple, the cost is low, an aqueous solution which is generated in bio-fertilizer production after waste gas is treated can be effectively settled and recycled, and environment pollution and resource waste can be avoided.
Owner:CHONGQING YIFENG BIOLOGICAL FERTILIZER CO LTD

Sewage purification method during sodium fluosilicate production

The invention relates to the technical field of sewage treatment, and particularly relates to a sewage purification method during sodium fluosilicate production. The method comprises the steps of adjusting the Na+ content in sewage and conducting flocculant precipitation, flyash mixing and membrane separation. According to the sewage purification method during the sodium fluosilicate production, silicon dioxide removal in the sewage during the sodium fluosilicate production is and a flocculant are researched, finally a composite flocculant is obtained through compounding on the condition of acheap carbon source and nitrogen source, silicon dioxide in the sewage can effectively precipitate, it is found through an experiment that the content of the silicon dioxide in the sewage can reach 4.77 mg / L to the lowest degree after treatment, the using amount of the flocculant is little and reduced, cyclic utilization of workshop production water is achieved, and the production cost is reduced.Besides, the flocculant researched in the method has the same good flocculation effect on sewage in other fields.
Owner:GUIYANG KAILIN FERTILIZER CO LTD

Ink cleaning agent for printing rubber rolls and preparation method of ink cleaning agent

The invention provides an ink cleaning agent for printing rubber rolls and a preparation method of the ink cleaning agent. The ink cleaning agent is prepared from, by weight, 15-25% of D-limonene, 2-4% of phytosterol, 1-5% of calcium dodecyl benzene sulfonate, 3-6% of a surfactant, 0.2-0.6% of N-dodecyl sodium alaninate, 0.2-0.6% of sodium oxalate, 0.2-0.4% of fast-dissolving modified sodium disilicate and the balance deionized water. The preparation method includes: adding the surfactant, phytosterol and calcium dodecyl benzene sulfonate into water at a normal temperature, and well stirring until all components are dissolved completely; adding D-limonene, fast-dissolving modified sodium disilicate, N-dodecyl sodium alaninate and sodium oxalate, and stirring to obtain transparently clear uniform liquid which is the waterborne ink cleaning agent for the printing rubber rolls. The cleaning agent is not only environment friendly but also high in cleaning efficiency, system stability and corrosion resistance.
Owner:HEFEI TIANXIANG ENVIROMENT PROJECT

Air filtering system

The invention provides an air filtering system which comprises a filtering chamber, a moisture separation channel and an exhaust system, wherein the filtering chamber comprises a shell; an air inlet tube is arranged in the center of the upper end of the shell; an air inlet fan is arranged at the air inlet tube; a partition plate is arranged inside the filtering chamber; the partition plate is filled with silencer cotton; a plurality of filtering cylinders are arranged on the partition plate; a filtering net is arranged at the lower end of the partition plate; the filtering net is V-shaped; two ends of the filtering net are connected with the shell; the exhaust tube is arranged at the lower end of the shell; the exhaust tube is connected with one end of the moisture separation channel; a groove, a water baffle plate, an air baffle plate and a moisture separator are sequentially arranged inside the moisture separation channel; the upper end of the moisture separator is connected with the exhaust system; and an activated carbon adsorber is arranged inside the exhaust system. By adopting the air filtering system, air purification is achieved, dust in the air is effectively deposited, moisture in the air is reduced, body health of people is protected, and equipment in workshops can be prevented from corrosion.
Owner:DONGTAI HONGREN GAS

Environment-friendly reinforced concrete garbage disposal equipment

The invention discloses environment-friendly reinforced concrete garbage disposal equipment which comprises supporting legs, a main rack and a crushing box. The main rack is arranged on the upper sides of the supporting legs. The crushing box is arranged on the upper side of the main rack. A feeding hopper is arranged on the upper side of the crushing box. A water spray pipe is arranged on the upper side of the feeding hopper. The environment-friendly reinforced concrete garbage disposal equipment has the beneficial effects that through the arrangement of the water spray pipe and a spray head,dust generated when building garbage is crushed is effectively settled, and pollution to the environment is reduced; and through the arrangement of a baffle and a hydraulic shaft, the discharging quantity of crushing blocks can be controlled, and a vibration screen is prevented from being blocked.
Owner:GUIZHOU UNIV

Seed screening and water separating device

The invention relates to the technical field of seed water separation and screening and discloses a seed screening and water separating device. The device comprises a base, and top of the base is fixedly connected with two symmetric supporting frames. A supporting plate is fixedly connected between the top ends of the two supporting frames, and the front face of the supporting plate is fixedly connected with two symmetric fixed sleeves. A water inlet pipe is sleeved between the inner rings of the two fixed sleeves, and spray heads are mounted on the outer surface of the water inlet pipe at equal intervals. A fixed plate is fixedly connected between the opposite side faces of the two supporting frames. The bottom of the fixed plate is fixedly connected with a motor and two supports. An output shaft of the motor is fixedly connected with a first belt wheel through a rotary shaft, and a rotary rod is movably connected between the side faces of the two supports. The seed screening and water separating device solves the problems that an existing seed water separation device is not high in work efficiency, seed separation is not thorough, trouble is caused, and labor is wasted, and has the beneficial effects of being high in work efficiency and good in screening effect and saving trouble and labor.
Owner:合肥安农源生物工程技术有限公司
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