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101results about How to "Reduce land occupation" patented technology

Design method for compressed air energy storage system of large-scale energy storage power station

The invention discloses a design method of a compressed air energy storage system of a large-scale energy storage power station, which belongs to the technical field of compressed air energy storage power stations and comprises a compression side and an expansion side which are arranged between a high-temperature heat medium water tank and a low-temperature heat medium water tank. The compression side comprises a double-line compressor system, a gas storage and a cooling tower, the gas storage and the cooling tower are connected with the double-line compressor system, the expansion side comprises an expansion machine system connected with the gas storage and the cooling tower, and each line of compressor system of the double-line compressor system comprises four stages of compressors which are connected in series. An energy storage heat exchanger is connected in series behind the first three stages of compressors, a preheating cooler is connected in series behind the third-stage energy storage heat exchanger, meanwhile, a preheating heater is arranged in front of the first-stage compressor, and the preheating coolers and the preheating heaters are connected through a preheating system to form a circulating system; and the expansion machine system comprises a three-stage expansion machine and an energy storage heater which are connected in series.
Owner:POWERCHINA HEBEI ELECTRIC POWER SURVEY & DESIGN INST CO LTD

Grouting slurry based on shield muck and industrial solid waste cementing material and preparation method

The invention discloses grouting slurry based on shield muck and an industrial solid waste cementing material and a preparation method, and belongs to the field of tunnel construction, the industrial solid waste cementing material provided by the invention is used for replacing Portland cement, energy conservation and emission reduction are achieved, and meanwhile, exploitation of non-renewable resources such as high-quality clay and limestone is reduced; in addition, due to hydration reaction of the carbide slag and the blast furnace slag, the strength of the synchronous slurry is greatly improved. The efficient grouting slurry is obtained from waste raw materials, the production cost of the grouting slurry is reduced, and the requirement of the grouting slurry for strength can be met.
Owner:SUZHOU UNIV +1

Horizontal single-tank fused salt heat storage system and method

The invention relates to a horizontal single-tank fused salt heat storage system and method, and relates to the technical field of fused salt heat storage, and the horizontal single-tank fused salt heat storage system comprises a fused salt single tank, a fused salt heater, a heat release heat exchanger, a fused salt pump and a fused salt sprayer. The molten salt single tank adopts a lower horizontal storage tank structure and a low-position arrangement design, so that the molten salt heater and the heat release heat exchanger are easier to realize high-position arrangement, meanwhile, the molten salt single tank has the function of a salt dredging tank, the system is simplified, and the occupied area and investment of the system are reduced. Through series connection design of the fused salt heater and the heat release heat exchanger, the fused salt heat storage system can operate a heat storage working condition, a heat release working condition and a working condition of storing and releasing at the same time, the requirement of a user for 24-hour stable steam supply is met, all devices are in a hot standby state all the time, operation control is easy, and the response speed is high.
Owner:SHANGHAI BOILER WORKS CO LTD

Splicing and water entering method for long and large pipeline

The invention discloses a splicing and water entering method for a long and large pipeline. The splicing and water entering method comprises the steps that firstly, a splicing welding station, an anti-corrosion station and a water entering station are sequentially arranged on a pipeline splicing platform at intervals from back to front; secondly, the multiple pipe joints are hoisted and placed on the assembling and welding stations of the pipeline splicing platform through a crawler crane; thirdly, the pipeline sections are pulled forwards to an anti-corrosion station through steel wire ropes on a plurality of winches; fourthly, the ends of the steel wire ropes on the winches are sequentially wound around the corresponding rear fixed pulleys and the corresponding front fixed pulleys downwards, and then the steel wire ropes on the winches pull the pipeline sections forwards to a launching station; and 5, when the tide rises, the pipeline sections are pulled forwards to the gentle slope through the steel wire ropes on the winches, then the steel wire ropes on the winches are dragged slowly, and the pipeline sections freely roll to the water along the launching sliding table by means of the gravity center. Pipeline splicing and water draining are facilitated, and the finished product quality of the pipeline can be protected.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD

Synthesis method of chloride-free cationic rosin size emulsifier

The invention provides a synthesis method of a chloride-free cationic rosin size emulsifier, which comprises the following steps: adding water to dilute dimethyl diallyl ammonium chloride, acrylamide and methacryloyloxyethyl trimethyl ammonium chloride according to a certain proportion to prepare a monomer mixed solution; the monomer mixed solution and the initiator solution are simultaneously pumped into a first microchannel reactor for polymerization reaction, the reaction temperature is 60-100 DEG C, the pressure is 0.2-1.4 Mpa, the retention time is 0.5-3 min, and a cationic polymer is obtained; and simultaneously pumping the cationic polymer and glyoxal into the second microchannel reactor for continuous reaction at the reaction temperature of 10-20 DEG C under the pressure of 2-4.0 Mpa for 0.5-3 minutes. The reaction time is greatly shortened by adopting the microchannel reactor, the method is suitable for industrial production, the synthesized chloride-free cationic rosin size emulsifier is safe, non-toxic, easy to dissolve in water, strong in cohesion, good in hydrolytic stability and free of gelling in 80 days, and rosin emulsion prepared by utilizing the cationic emulsifier is fine in granularity, good in stability and free of chloropropanol.
Owner:SHANGHAI DONGSHENG NEW MATERIALS

Circulating fluidized bed desulfurizing tower

The utility model discloses a circulating fluidized bed desulfurizing tower. The desulfurization tower at least comprises a desulfurization tower inlet section, a Venturi tube group, a divergent section, a straight tube section and an outlet section which are sequentially and continuously arranged from bottom to top, the desulfurizing tower inlet section comprises a square flue, a transition flue and a circular flue which are connected in sequence; the square flue comprises a 90-degree elbow, and a flue gas inlet is positioned on the horizontal square flue in front of the 90-degree elbow; the 90-degree elbow is internally provided with a flow guide device for preventing flue gas from generating bias flow after the flue gas passes through the elbow; and a rotational flow assembly is arranged at the divergent section of the desulfurizing tower. According to the utility model, when part of flue gas at the outlet of the Venturi tube enters the divergent section of the desulfurization tower, the flow direction is changed under the flow guide action of the blades to form rotational flow. Under the action of centrifugal force of rotational flow, more desulfurizing agents are thrown to the periphery of the desulfurizing tower and decelerated in the rising process, and then fall back to the divergent section, so that the proportion of the internal circulation desulfurizing agent is increased.
Owner:HUATIAN ENG & TECH CORP MCC +1

Semi-dry circulating fluidized bed desulfurizing tower

The utility model discloses a semi-dry method circulating fluidized bed desulfurizing tower. The desulfurization tower at least comprises a desulfurization tower inlet section, a Venturi tube group, a divergent section, a straight tube section and an outlet section which are sequentially and continuously arranged from bottom to top, a new desulfurizing agent feeding hole and / or a circulating ash feeding hole are / is formed in the downstream end of the inlet section of the desulfurizing tower; a rotational flow flue gas bypass pipe is arranged between the upstream end of the inlet section of the desulfurizing tower and the diverging section, and bypass flue gas horizontally enters the diverging section of the desulfurizing tower along the tangential direction from the flue gas bypass pipe. According to the utility model, the flue gas bypass pipe enters along the tangential direction to form a rotational flow effect, so that gas flow and a desulfurizing agent in the tower spirally rise, and the retention time is prolonged compared with pure straight flow. Meanwhile, under the action of centrifugal force of rotational flow, the desulfurizing agent is thrown to the periphery of the desulfurizing tower and decelerated in the rising process, and then falls back to the divergent section, so that the proportion of the internal circulation desulfurizing agent is increased.
Owner:HUATIAN ENG & TECH CORP MCC +1

Water affair treatment system for nuclear power plant

The invention is applicable to the technical field of water treatment, and provides a nuclear power plant water treatment system which comprises a water taking system, a water making system, a water distribution system and a chemical adding system, a water inlet of an SEI water tank is connected with a water outlet of a reverse osmosis subsystem, and a water outlet of the SEI water tank is connected with a water inlet of an ion exchange treatment subsystem; and a water inlet of the SED water tank and a water inlet of the SER water tank are connected with a water outlet of the ion exchange treatment subsystem. An ultrafiltration subsystem, a reverse osmosis subsystem and an ion exchange treatment subsystem are integrated in the water production system, after one part of industrial fresh water is provided for the SEI water tank, the other part of industrial fresh water enters the ion exchange treatment subsystem again for continuous treatment, and the industrial fresh water, neutral desalted water and alkaline desalted water share a partial treatment process; repeated configuration of equipment in the preparation process of water with different qualities is reduced, decentralized and extra land occupation of system equipment in a plant is reduced, overall planning and utilization of space in the plant are facilitated, and production cost and management cost are reduced.
Owner:CHINA NUCLEAR POWER ENGINEERING COMPANY LTD +1

Continuous enhanced washing desalination system and method for waste incineration fly ash

The invention discloses a continuous enhanced washing desalination system and method for waste incineration fly ash, the system comprises at least three washing units which are connected in series, each washing unit comprises a washing tank, a hydrodynamic cavitator, a circulating pump, a first mud-water separator and a second mud-water separator which are communicated to form two sections of external circulating pipelines, and a washing liquid recycling pipeline is formed. The invention further discloses a method for treating the waste incineration fly ash through the system. According to the washing desalination system disclosed by the invention, deep elution desalination treatment is carried out on fly ash by adopting continuous three-stage stirring washing, two-stage forced circulation strengthening and two-stage mud-water separation, so that the desalination treatment on the fly ash can be efficiently and thoroughly completed on the premise of effectively reducing the water consumption; the device has the advantages of being simple in equipment, easy and convenient to operate, small in occupied area, low in cost, water consumption and energy consumption, high in elution efficiency, wide in application range, capable of continuously running, good in running stability and the like, and has an important promoting effect on reduction and resource utilization of the fly ash.
Owner:HUNAN JUNXIN ENVIRONMENTAL PROTECTION CO LTD

Bidirectional testing device for turnover damper

The invention belongs to the technical field of damper testing, and particularly relates to a bidirectional testing device for a turnover type damper. The turnover type damper bidirectional testing device comprises a fixed seat, a turnover frame and a turnover driving device, when the turnover driving device drives the turnover frame to a transverse position, the excitation device and the pressure sensor are respectively connected with two ends of the transverse damper through the two quick release devices, so as to test the transverse damper; when the overturning driving device drives the overturning frame to the vertical position, the vibration excitation device and the pressure sensor fix the vertical damper through the vertical fixing device so as to test the vertical damper. The bidirectional testing device for the turnover damper can be used for vertical and transverse testing, so that the equipment cost and the occupied area are reduced; the pin shaft of the quick release device is free of insertion and extraction, the insertion and extraction operation of the sleeve is simple and convenient, and gaps with different thicknesses can be flexibly matched by arranging multiple layers of sleeves for selection.
Owner:CHANGZHOU INST OF TECH

Unpowered filtering device for tunnel wastewater

The utility model relates to a wastewater filtering device, aiming at solving the technical problem that most of the existing filtering means are power filtering or horizontal filters, so that the energy consumption is high. The utility model provides an unpowered filtering device for tunnel wastewater. The unpowered filtering device comprises a shell and a mud bucket arranged at the bottom of the shell, an annular filter screen is arranged in the middle of the shell, and the bottom of the filter screen is connected with the mud bucket; a tunnel wastewater area is formed between the inner wall of the filter screen and the inner wall of the mud bucket; a clear water area is formed among the outer wall of the filter screen, the inner wall of the mud bucket and the inner wall of the shell; a plurality of water distribution pipe transverse pipes are arranged above the shell, one end of each water distribution pipe transverse pipe is blocked, the other end of each water distribution pipe transverse pipe is provided with a first manual valve, and one end, away from the water distribution pipe transverse pipes, of each first manual valve is provided with a tunnel wastewater inlet pipe and a flushing pipe; the water distribution pipe transverse pipe is provided with two water distribution pipe vertical pipes with different lengths, each water distribution pipe vertical pipe is provided with two rows of uniformly distributed circular holes, and the opening directions of the circular holes all point to the filter screen; a first sludge discharge pipe is arranged at the bottom of the sludge bucket; a first water outlet pipe is arranged on the side of the shell.
Owner:XIAN RONGDA ENVIRONMENTAL PROTECTION

Waste heat recycling method and system for organic liquid dehydrogenation process

According to the waste heat recycling method and system for the organic liquid dehydrogenation process, the self-supply proportion of energy for preheating a liquid hydrogen-rich carrier is increased from less than 75% to complete coverage of energy consumption of a preheating section, the energy utilization rate of the technological process is greatly increased, supply of cold and heat public engineering is greatly reduced, and the operation cost is reduced. After pressurization and heat exchange, the waste heat source grade of a gaseous dehydrogenation product can be improved, the device can be flexibly matched with a demand end, the heat needed by reaction is reduced, and heat medium water is generated. And finally, the hydrogen obtained through separation has the pressure within a certain adjustable range, the pressurization requirement of a rear-end use scene can be met, and the equipment occupied area and the investment cost of rear-end hydrogen pressurization in a conventional process are greatly reduced. Compared with the traditional dehydrogenation process, the comprehensive energy efficiency of the process system is greatly improved, and the land occupation and operation energy consumption of the whole dehydrogenation process device are effectively reduced.
Owner:SHAANXI HYDROGEN ENERGY TECH CO LTD

A composite drainage and seepage system and method for use in power plant valley ash disposal sites

This invention belongs to the field of flood drainage and seepage technology for valley ash dumps. It proposes a composite flood drainage and seepage system and method for use in power plant valley ash dumps. The invention includes a drainage ditch set along the direction from the flood control dam towards the initial dam of the ash dump. The drainage ditch includes a flood drainage culvert at the bottom of the ash dump, a seepage ditch and a flood drainage ditch located above the flood drainage culvert. The bottoms of the seepage ditch and the flood drainage ditch share a common pool wall with the upper part of the flood drainage culvert. The adjacent side walls of the seepage ditch and the flood drainage ditch also share a common pool wall. This effectively reduces the foundation treatment area and land occupation, as well as the amount of steel reinforcement and concrete used, thus lowering the project cost. Simultaneously, the flood drainage ditch has an opening at its upper part and a cover plate placement groove. A seepage pipe is installed at the end of the drainage ditch away from the flood control dam. This system is suitable not only for flood drainage and seepage when upstream floodwaters flow into the ash dump along the slopes of both banks, but also for flood drainage and seepage under conditions of high rainfall.
Owner:SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP

Finished cigarette same-address industrial and commercial collaborative integrated supply chain process method and system

The invention discloses a finished cigarette same-address industrial and commercial cooperation integrated supply chain process method and system, and the method comprises the steps: forming a retailer cigarette order by a tobacco company, and transmitting a cigarette order with a piece as a unit and a material right transfer order to a cigarette factory according to the retailer cigarette order; and the cigarette factory determines that cigarettes are replenished to the tobacco company from a finished product warehouse of the cigarette factory or replenished to the tobacco company from a finished product cigarette sealing box workshop of the cigarette factory according to the cigarette order, the material right transfer list, the finished product inventory data and the production business proposed by the tobacco company. According to the invention, logistics facility and equipment resource sharing, maintenance team sharing, field operation management personnel sharing and market demand information sharing are realized, repeated construction and land occupation are greatly reduced, project investment, tracking difficulty and logistics cost are reduced, the operation process is simplified, a logistics route and whole-course tracking time are shortened, and the operation efficiency is improved.
Owner:KUNMING KSEC LOGISTIC INFORMATION IND

A skid-mounted stainless steel lined pipe on-site pipe making unit

The present invention discloses a skid-mounted stainless steel liner pipe on-site pipe making unit, which includes an unwinder, a sizing and trimming device, an edge scrubbing and dust removal device, an arc pressing roller, a preliminary shaping and rounding roller, a welding device, a grinder, and a precise rounding machine in sequence along the feeding direction. The unwinder, the sizing and trimming device, the edge scrubbing and dust removal device, the arc pressing roller, the preliminary shaping and rounding roller, the double-sided welding device, the grinder, and the precise rounding machine are sequentially placed in a container that can be used for hoisting and transportation. The present invention has a simple structure, excellent performance, convenient use, a wide range of pipe diameters, and flexible pipe diameter adjustment. According to the diameter of the old pipe, no factory is required, and the occupied land is saved. The inner liner pipe that matches the required pipe diameter can be manufactured on-site flexibly and accurately. At the same time, the on-site avoidance of repeated pressing rollers and one-step pressing processes are simplified. Combined with a reducing machine and a traction machine, the "one-step" short process construction of pipe making, welding, flaw detection, reducing, traction into the pipe, and pressing and shaping can be realized.
Owner:刘杰

Energy storage ceramic material prepared from shells, method and green refrigeration equipment

The invention relates to an energy storage ceramic material prepared from shells, a method and green refrigeration equipment. The energy storage ceramic material comprises a ceramic skeleton containing honeycomb holes and fused salt packaged in part of the honeycomb holes of the ceramic skeleton through a packaging agent. Wherein the raw materials of the ceramic skeleton comprise a main material and a binder accounting for 2-6% of the mass of the main material; the main materials comprise the following components in percentage by mass: 68-80% of a mixture, 2-6% of a lubricant and 14-30% of water; the mixture comprises shells, spoil, sludge and diatomite. The obtained energy storage ceramic material is high in unit volume heat storage capacity and large in molten salt phase change latent heat, and a long-time constant-temperature heat source can be provided; fused salt is uniformly packaged in only part of honeycomb holes, the rest of honeycomb holes are still through holes, heat convection and heat release are facilitated, the heat exchange efficiency is improved, and the energy storage ceramic material is of a honeycomb structure, can stably work for a long time, is long in service life and is low in refrigeration cost when being used in green refrigeration equipment.
Owner:SANYA SCI & EDUCATION INNOVATION PARK WUHAN UNIV OF TECH

Matrix converter system and control method thereof

The application provides a matrix converter system and a control method thereof. The matrix converter system comprises a first output port and a second output port, at least two phases, N converter valve bridge arms, Q first magnetic elements, the i-th first magnetic element comprises N first ports, M second ports, the N first ports of the i-th first magnetic element are connected in series with one end of the N converter valve bridge arms respectively, the other end of the N converter valve bridge arms is connected with any one phase of the first output port respectively, and the other end of at least one converter valve bridge arm is connected with a phase of the first output port which is different from the phase of the first output port connected with the other end of the remaining converter valve bridge arms, and the M second ports of the i-th first magnetic element are connected with any one phase of the second output port respectively, and at least one second port is connected with a phase of the second output port which is different from the phase of the second output port connected with the remaining second ports. i i i i i i ​​​​​​
Owner:NR ELECTRIC CO LTD +1

Integrated equipment for purification of electrolysis off-gas and enrichment of carbon dioxide based on pressure swing adsorption

This invention discloses an integrated device for purifying impurities in electrolytically produced gases and enriching carbon dioxide based on pressure swing adsorption (PSA), belonging to the field of gas separation and new energy utilization technology. The device includes a water electrolysis unit, a PSA unit, and a control unit. The water electrolysis unit uses renewable energy to electrolyze water to produce crude hydrogen. The PSA unit comprises at least two sets of adsorption towers connected in parallel, filled with a composite adsorbent that selectively adsorbs oxygen and carbon dioxide. The control unit uses time-series control to alternately operate the adsorption towers between a "purification mode" and an "enrichment and regeneration mode." In purification mode, the adsorption towers remove oxygen impurities from the crude hydrogen; in enrichment and regeneration mode, the adsorption towers adsorb carbon dioxide from an external gas source and output enriched gas through vacuum desorption. This invention achieves high integration and low energy consumption by time-sharing reuse of the same set of adsorption towers, making it particularly suitable for preparing raw material gas for hydrogen autotrophic microorganisms to synthesize single-cell proteins (air proteins).
Owner:SHAANXI LANYAO ENERGY TECHNOLOGY CO LTD

Method for hydrodeolefining and hydrodesulfurizing liquefied gas

This invention discloses a liquefied petroleum gas (LPG) hydrodeolefins desulfurization process. The raw materials are one or more types of LPG derived from refinery catalytic cracking, coking, and other units, as well as light hydrocarbons derived from oil and gas fields. The incoming LPG is pressurized and mixed with hydrogen, then heated and vaporized before entering the hydrorefining reactor. The high-temperature gaseous hydrorefining reaction product enters the desulfurization reactor for fine desulfurization. The reaction effluent after fine desulfurization is heat-exchanged and cooled before entering a low-pressure separator. The low-pressure separator generates a low-density gas at the top, which is pressurized and mixed with fresh hydrogen from outside the unit to form mixed hydrogen. The refined LPG at the bottom of the low-pressure separator is pressurized and sent to the gas separation unit.
Owner:SINOPEC GUANGZHOU ENG CO LTD +1

A calcium carbide furnace tail gas deep purification process

The application discloses a calcium carbide furnace tail gas deep purification process. The calcium carbide furnace tail gas is firstly subjected to wet desulfurization and dehydrocyanation and TSA treatment, and then sequentially enters a de-fluorine and de-hydrocyanation reactor, a hydrolysis desulfurization reactor, a fine desulfurization reactor, a de-phosphorus and de-arsenic reactor, a de-oxygen reactor and a de-hydrocarbon reactor. After the treatment process, the HCl content in the gas is less than 0.1 ppm, the HF content is less than 0.1 ppm, the HCN content is less than 0.1 ppm, the total sulfur content is less than 0.1 ppm, the AsH3 content is less than 5 ppb, the PH3 content is less than 5 ppb, the oxygen content is less than 10 ppm, and the unsaturated hydrocarbon content is less than 0.1 ppm, thereby meeting the separation and purification requirements of subsequent processes, and the pressure drop of the whole process is not more than 100 kPa. The process can remove oxygen and unsaturated hydrocarbons in the gas under low-temperature conditions, thereby reducing the occurrence of side reactions, and has the characteristics of reasonable process design, high purification precision, low energy consumption and low operation cost.
Owner:WUHAN KELIN FINE CHEM

Small and medium-sized compressed air energy storage system and compressed air energy storage method

The invention relates to the technical field of energy storage, in particular to a small and medium-sized compressed air energy storage system and a compressed air energy storage method.The output end of a compression unit is connected with the first input end of a heat storage and exchange unit, and the first output end of the heat storage and exchange unit is connected with the input end of an air storage unit; the output end of the gas storage unit is connected with the second input end of the heat storage and exchange unit, and the second output end of the heat storage and exchange unit is connected with the input end of the expansion unit; the heat storage and exchange unit is a heat storage and exchange integrated heat accumulator used for absorbing heat of compressed air input from the first input end or heating high-pressure air input from the second input end. The compression unit and the expansion unit are coaxially arranged, and the input end of the compression unit and the output end of the expansion unit are connected with the generator motor. According to the energy storage system, heat storage and heat exchange are completed at the same time and at the same position through the heat storage and exchange unit, the heat storage and heat exchange process is simplified, and the compressed air energy storage system is more suitable for small and medium-sized air energy storage.
Owner:SHAANXI BLOWER GROUP

System and process for purifying diamino maleic dinitrile crude product

The invention discloses a system and a process for purifying a diamino maleic dinitrile crude product, and relates to the technical field of purification, the system comprises a crystallization centrifugal assembly, an impurity removal centrifugal assembly and a crude product dryer; the impurity removal centrifugal assembly comprises a reflux impurity removal kettle communicated with a discharge hole of the first centrifugal machine, a second centrifugal machine communicated with a material outlet of the reflux impurity removal kettle, a reflux condenser communicated with an air outlet of the reflux impurity removal kettle, and an impurity removal solvent metering tank respectively communicated with the second centrifugal machine and the reflux impurity removal kettle; the impurity removal solvent temporary storage tank is communicated with a liquid outlet of the second centrifugal machine; and the crude product dryer is communicated with a discharge hole of the second centrifugal machine. The device is compact and reasonable in design, can effectively remove hydrocyanic acid oligomerization impurities, simplifies equipment, reduces operation procedures, improves the operation automation level, and reduces material loss.
Owner:SICHUAN ENERGY INVESTMENT YONGLI CHEM CO LTD

A sorting device

The application discloses a sorting device, which comprises a frame body and a material taking component. The material taking component comprises a mounting member and a plurality of material taking members for synchronously taking a plurality of materials. The mounting member is in sliding connection with the frame body to drive the plurality of material taking members to synchronously transfer between different work stations. The plurality of material taking members are in sliding connection with the mounting member to adjust the spacing between adjacent material taking members to adapt to the spacing requirement of adjacent materials in different work stations. Compared with the prior art, the plurality of material taking members are in sliding connection with the mounting member. In the material taking stage, the material taking members are quickly adjusted to small spacing to synchronously take two or more adjacent materials, and the processing amount per unit time is significantly improved. In the sorting / code scanning stage, the material taking members are expanded to large spacing to place the materials on the work stations spaced apart from each other, interference and shielding between the materials are avoided, a plurality of code scanning guns or a plurality of sensors can work in parallel, and therefore the total time length of identification and detection is shortened.
Owner:HUIZHOU JINYUAN INTELLIGENT ROBOT CO LTD

All-red-mud-based stabilized macadam light mixture suitable for road base and preparation method of all-red-mud-based stabilized macadam light mixture

The invention relates to the field of solid waste resource utilization research, in particular to an all-red-mud-based stabilized macadam light mixture suitable for a road base and a preparation method thereof, and the all-red-mud-based stabilized macadam light mixture comprises the following components in parts by mass: 50-70 parts of a fired red mud coarse aggregate component, 20-40 parts of a fired red mud fine aggregate component and 10-20 parts of a red mud-based cementing material component. According to the all-red-mud-based stabilized macadam light mixture suitable for the road base, large-scale resource utilization of industrial waste red mud can be achieved, and compared with a traditional macadam mixture, the all-red-mud-based stabilized macadam light mixture is small in density, has the good strength characteristic, and is suitable for the road base. The requirement of the road base on the bearing capacity can be met, and environmental protection and sustainable development are facilitated.
Owner:GUANGXI UNIV

Method for recovering cold energy carried by LPG unloaded at the terminal and using it in DMC process

The present invention provides a method for recovering the cold carried by LPG unloaded at the wharf for use in the DMC process. Based on this method, the volume of the cold recovery system can be greatly compressed, and the system investment, land occupation and construction difficulty can be greatly reduced. The method steps of a single cold recovery cycle include: during the unloading of LPG at the wharf, the LPG unloaded at the wharf is continuously sent to the cold taking heat exchanger through the wharf output pipeline, and the heat exchange medium in the cold storage tank can circulate between the two; during the unloading of LPG at the wharf, the carbon dioxide stream to be precooled in the DMC process is simultaneously sent to the cold using heat exchanger, and the heat exchange medium in the cold storage tank can circulate between the two; when the unloading of LPG at the wharf is completed, the valve on the first circulation pipeline for controlling the on-off of the first circulation pipeline is closed; when the time from the start of unloading of LPG at the wharf lasts to the predetermined cold using time, the heat exchange medium is circulated in a closed loop between the cold storage tank and the bypass circulation pipeline.
Owner:WANHUA CHEM GRP CO LTD

Nut forming progressive die and six-die machining equipment

The invention discloses a nut forming progressive die and six-die machining equipment, and relates to the technical field of nut machining equipment.The nut forming progressive die and six-die machining equipment comprises a machine body, a conveying device, a progressive die device used for preliminary forming of nuts and a six-die machining device are arranged in the machine body, and the conveying device sequentially penetrates through the interiors of the progressive die device and the six-die machining device; the conveyor is used for continuously conveying materials; the six-die machining device sequentially comprises a leveling module, a first overturning module, a rough opening punching module, an inner chamfer punching module, a punching module, a second overturning module and a head type punching module according to the production process of the six-die machining device. According to the invention, the labor intensity and the error rate are reduced, so that the production efficiency is improved.
Owner:XIEXING SCREW IND (GUANGDONG) CO LTD

Water treatment method and system based on aoa-coupled efficient autotrophic nitrogen removal

The present disclosure discloses a method of AOA coupled efficient autotrophic nitrogen removal water treatment and a system thereof, relating to the field of sewage treatment technology. The method includes: the sewage to be treated enters the anaerobic zone, and the effluent from the anaerobic zone enters the carbon extraction zone; the supernatant fluid obtained in the carbon extraction zone enters the autotrophic IFAS zone, and the sludge obtained is transported from the carbon extraction zone to the anoxic IFAS zone; the effluent from the autotrophic IFAS zone enters the autotrophic bacteria recovery zone, the detached biofilm from the autotrophic IFAS zone flows back to the autotrophic IFAS zone, and the effluent from the anoxic IFAS zone enters the secondary sedimentation zone. The sludge bypass pipeline ensures that ordinary activated sludge does not pass through the autotrophic IFAS zone, which is conducive to the enrichment of anammox bacteria and fundamentally avoids the loss of internal carbon sources in ordinary activated sludge. The autotrophic bacteria recovery zone ensures the recovery of detached biofilm in the autotrophic IFAS zone, achieving a balance of autotrophic nitrogen removal functional bacteria. The method of the present disclosure has the advantages in excellent denitrification effect, excellent nitrification effect, and low land occupation.
Owner:QINGDAO SPRING WATER TREATMENT

Equipment for automatic cell expression of recombinant protein

The invention discloses automatic recombinant protein cell expression equipment, which comprises a plurality of independent compartments, a sample treatment device, a cell culture device, a sample monitoring device, a compartment transfer device, a moving device and a sterilization device, a temperature and humidity monitoring and control device is arranged in the cell culture device; sterilization devices are arranged in the sample treatment device, the cell culture device, the sample monitoring device and the compartment transfer device; an air circulation device is arranged in the sample treatment device, the air circulation device comprises an air inlet device and an air outlet device, air outside the equipment enters the air inlet device through the air inlet, passes through the air outlet device and then is discharged out of the equipment through the air outlet, and one-way airflow from one side to the other side is formed in the equipment. The equipment can complete automatic operation of samples under the condition of no manual intervention, so that cross contamination and environmental pollution between processes are avoided, and the production efficiency and the product quality are improved.
Owner:SHANGHAI TECH UNIV

T-coupling type gas-liquid separation and condensation integrated device for hydrogen production by electrolysis of water and working process

PendingCN122499581AAdapt to intensive installation needsHighly integrated
This invention relates to the technical field of water electrolysis hydrogen production equipment, providing a T-type coupled gas-liquid separation and condensation integrated device and its working process for water electrolysis hydrogen production. The device includes a housing comprising a horizontal separation section, a vertical condensation section, and a liquid collection section. The liquid collection section and the vertical condensation section are located on the same vertical plane, with the vertical condensation section positioned above the liquid collection section. The horizontal separation section, vertical condensation section, and liquid collection section are connected and together form a T-shaped structure. A gas deflection channel is formed at the intersection of the vertical condensation section and the horizontal separation section, causing the gas after initial liquid removal to change from horizontal flow to vertical upward flow. The deflection channel forms a flow guiding transition structure to prevent secondary entrainment caused by eddies in the gas flow. This invention employs a three-stage synergistic purification process, achieving excellent gas-liquid separation and demisting efficiency. It utilizes a three-stage synergistic treatment mechanism of gas-liquid cyclone initial separation + deep condensation dehydration + wire mesh demisting, combined with a strong swirling flow field to enhance droplet detachment and a flow equalization plate to optimize airflow distribution, effectively removing electrolyte droplets and water vapor entrained in the gas.
Owner:EAST CHINA UNIV OF SCI & TECH

A flash desulfurization slurry waste heat recovery system and method

The present invention provides a flash desulfurization slurry waste heat recovery system and method, belonging to the technical field of boiler flue gas energy saving, including a desulfurization tower and a negative pressure flash evaporation device, wherein a slurry area and a spray area are arranged in the desulfurization tower, and the slurry area and the spray area are connected through a slurry circulation pipeline, and a flash spray layer and a flash slurry layer are arranged in the negative pressure flash evaporation device, and the flash spray layer and the flash slurry layer are connected through a slurry pipeline and a slurry return pipeline and a slurry circulation pipeline respectively, and a first slurry regulating valve is arranged on the slurry pipeline, and a second slurry regulating valve is arranged on the slurry circulation pipeline, and the second slurry regulating valve is located between the slurry pipeline and the connection point between the slurry return pipeline and the slurry circulation pipeline. The present invention can control the load of the waste heat recovery system by adjusting the liquid inlet amount of the negative pressure flash evaporation device, and at the same time, disturb the slurry in the negative pressure flash evaporation device to prevent the desulfurization slurry from depositing and scaling.
Owner:SHANDONG GUOSHUN CONSTR GRP