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

1708 results about "Waste recycling" patented technology

Saw mud-graphite tailing road base material as well as preparation method and application thereof

The invention belongs to the technical field of comprehensive utilization of industrial solid wastes, and particularly relates to a sawing mud-graphite tailing road base material as well as a preparation method and application thereof. The road base material is prepared by mixing saw mud, graphite tailings, a red mud-based cementing material, a reinforcing agent and water. The sawn mud-graphite tailing road base material is applied to a heavy traffic load road base with the strength requirement of 4.0-6.0 MPa. According to the sawing mud-graphite tailing road base material, all aggregates in a traditional road base material are jointly replaced by sawing mud-graphite tailings, and the red mud-based cementing material is adopted for curing, so that the utilization efficiency of solid waste recycling is greatly improved; and the problems of shortage of sand and gravel resources and high material cost of construction engineering in the road engineering construction process are relieved.
Owner:UNIV OF JINAN

Multi-process cooperative control method and system for sintering process

The invention relates to the technical field of sintered ore production, in particular to a multi-process cooperative control method and system of a sintering process. The sintering production level is comprehensively improved. The control method comprises the following steps: uniformly-mixed material replacement control logic: establishing a feed-forward compensation model taking a material ferrous component and a burn-out rate as variables, and adjusting the ratio of fuel to a flux; solid waste circulation matching control logic: establishing an admission and substitution mechanism of gravitational dedusting ash and environmental dedusting ash; hydrothermal cooperative control logic: establishing a coupling regulation mechanism of temperature and moisture of the mixture; the ignition-sintering end point cooperative control logic is used for adjusting ignition parameters and the main fuel dosage in a linkage mode; according to return mine balance control logic, the sintering process is reversely diagnosed and adjusted through the physical state and flow feedback of return mines; and fuel and flux replacement control logic: executing accurate replacement calculation taking carbon balance or alkalinity conservation as a basic principle, and introducing a particle size or activity degree correction coefficient for optimization. The method is realized by a multi-process cooperative control system.
Owner:CHANGSHU LONGTENG SPECIAL STEEL CO LTD

Waste recovery vehicle dynamic scheduling system and method based on AI algorithm

The invention discloses a waste recovery vehicle dynamic scheduling system and method based on an AI algorithm, and belongs to the field of intelligent logistics. The system comprises a task analysis module, a vehicle state sensing module, an AI scheduling core module and the like. The task analysis module identifies waste categories through an attention mechanism U-Net algorithm, and generates a task parameter set containing priorities; the vehicle state sensing module outputs accurate vehicle data through a Kalman filtering algorithm; the AI scheduling core module takes the task completion rate, the energy consumption and the carbon emission reduction as targets, and outputs a scheduling instruction through a multi-target optimization model and an improved Dijkstra algorithm; the data feedback module calculates the carbon emission reduction according to the Sichuan local standard and updates the model; the problems of poor scene adaptation and high energy consumption in the prior art are solved, the task completion rate is increased by 25%, the empty driving rate is reduced by 18%, and technical support is provided for the dual-carbon target.
Owner:SICHUAN YINGU CARBON RENEWABLE RESOURCES CO LTD

Waste recycling device for sole processing

The invention belongs to the technical field of shoe sole waste recycling treatment, and discloses a shoe sole processing waste recycling device which comprises a crushing box, two groups of crushing rollers are rotatably arranged on the inner side of the crushing box, linkage pressure applying assemblies are arranged on the two sides of the crushing rollers, and each linkage pressure applying assembly comprises two groups of limiting guide columns. According to the crushing device, through cooperation of structures such as the linkage pressure applying assembly and the crushing rollers, power can be provided for the pressure applying device when the crushing rollers rotate, it is guaranteed that downward pressure is provided while the crushing rollers rotate, and the crushing efficiency is improved; and therefore, the problems that the normal crushing treatment is influenced due to accumulation or clamping stagnation caused by the fact that rubber cannot be quickly concentrated between the crushing rollers, and the working pressure of workers is greatly increased are effectively solved.
Owner:WENZHOU KANGHONG SHOE MATERIAL TECH CO LTD

Building solid waste recycled aggregate production line control method and system

The embodiment of the invention provides a building solid waste recycled aggregate production line control method and system, and relates to the technical field of building solid waste recycling, the method comprises the following steps: obtaining a first operation parameter of crushing equipment, and identifying a first characteristic of the crushing equipment influenced by a viscous material according to the first operation parameter; acquiring a second operation parameter of the screening equipment, and identifying a second feature of the screening equipment influenced by the viscous material according to the second operation parameter; acquiring a conveying state of the conveying equipment, and identifying a third feature of the conveying equipment influenced by the viscous material according to the conveying state; performing correlation analysis on the first feature, the second feature and the third feature to obtain a viscous state judgment result of the viscous material; generating a material viscosity index according to the viscosity state judgment result; and according to the material viscosity index, the operation parameters of the crushing equipment, the screening equipment and the conveying equipment are adjusted. The production efficiency and the product quality of the recycled aggregate can be improved, and equipment abrasion and energy consumption are reduced.
Owner:GUANGZHOU CONSTR ENG DEMOLITION CO LTD

Digital intelligent control preparation method of high-solid-waste low-carbon high-durability concrete connecting material

The invention relates to a digital intelligent regulation and control preparation method of a high-solid-waste low-carbon high-durability concrete connecting material, and solves the problems that an existing UHPC connecting material is difficult to balance high performance and low carbon, the solid waste resource utilization rate is low, a digital intelligent precise regulation and control means is lacked, and the cost is low. The method comprises the following steps: firstly, integrating data to construct a special database for the ultra-high performance concrete, establishing a raw material-process-performance mapping relation through multi-scale simulation, then optimizing target parameters through machine learning, preprocessing the raw materials, and finally obtaining the ultra-high performance concrete after the target parameters are optimized and the raw materials are preprocessed. And verifying the iterative model by using a high-throughput experiment, determining optimal process parameters, importing the optimal process parameters into a system, and executing stirring, forming and curing. The method has the following beneficial effects that high solid waste recycling and low-carbon emission reduction are achieved through digital intelligent regulation and control, high strength and high durability of materials are synchronously guaranteed, and the core application requirements of an assembly type structure are precisely met.
Owner:SHENZHEN UNIV

All-solid waste negative carbon porous brick and preparation method thereof

The invention discloses an all-solid-waste negative-carbon porous brick and a preparation method thereof, belongs to the technical field of green building materials for solid waste recycling and CO2 capture-storage-utilization, and particularly relates to a porous brick which takes red mud, steel slag and recycled aggregate as main raw materials, constructs a hierarchical pore structure through low-water-binder-ratio semi-dry pressing molding, and is prepared from the following raw materials in a solid-solid-waste negative-carbon porous brick. And directional carbonization curing is carried out by using cement kiln tail gas CO2 under the conditions of normal temperature and micro pressure, so that the national waste porous brick with negative carbon characteristic is prepared. According to the method, solid waste high doping, CO2 efficient solid storage and product performance synergistic improvement can be achieved.
Owner:HUNAN UNIV

Electrochemistry-assisted method for extracting lithium and sodium from overhaul slag

The invention discloses a method for extracting lithium and sodium from overhaul slag through electrochemistry assistance, and belongs to the technical field of aluminum electrolysis lithium-containing solid waste cyclic economic utilization and environmental protection. A method for extracting lithium and sodium from overhaul slag through electrochemical assistance comprises the following steps that the overhaul slag and auxiliary materials are subjected to die-casting forming to prepare an electrode plate, and then lithium and sodium are extracted from the overhaul slag through an electrochemical method. According to the method, for the lithium-containing overhaul slag solid waste generated in the electrolytic aluminum industry, migration and dissolution of metal ions are enhanced through electrochemical assistance in a weak acid environment, so that comprehensive recycling of valuable elements of lithium and sodium is achieved, and meanwhile the recovery rate of lithium can be larger than 90%. In addition, the method can be carried out at low temperature, so that the energy consumption can be obviously reduced, and meanwhile, the equipment investment can be greatly reduced; meanwhile, solid waste resource utilization can be achieved, the risk of secondary pollution is reduced, and good economic and environmental benefits are achieved.
Owner:ZHENGZHOU MINERALS COMPOSITIVE UTILIZATION RES INST CHINESE GEOLOGICAL ACAD

Recovery device for building waste plastic building materials

The invention provides a recovery device for building waste plastic building materials, and relates to the field of waste recovery devices.The recovery device comprises a feeding mechanism, a crushing mechanism, a separating mechanism and a melting granulation mechanism, and further comprises a crushing system and an electric control system; according to the crushing system, a primary crushing unit is driven by a first variable frequency motor; the secondary crushing unit is arranged at the discharging end of the primary crushing unit and is driven by a second variable frequency motor; the screening unit is arranged below the secondary crushing unit; wherein the electric control system is electrically connected with the first variable-frequency motor and the second variable-frequency motor and used for independently controlling the rotating speeds of the first variable-frequency motor and the second variable-frequency motor so as to drive the primary crushing unit and the secondary crushing unit to do differential relative motion, and the screening unit is used for returning substandard materials to the primary crushing unit to be crushed again. Multi-stage differential crushing and intelligent closed-loop control are adopted, airflow separation and magnetic separation impurity removal are combined, efficient and energy-saving production is achieved through segmented melting and plasticizing, and the treatment efficiency and the purity of a finished product are improved through an automatic system.
Owner:HAINAN KANGHAO CONSTRUCTION ENGINEERING CO LTD

Underground mine goaf filling body strengthening and subsequent mining joining method

The invention discloses an underground mine goaf filling body strengthening and subsequent mining joining method, and relates to the technical field of mine mining. Comprising the following steps of intelligent filling body construction and reinforcement, multi-source fusion intelligent monitoring and digital twinning construction, data-driven subsequent mining dynamic intelligent decision making and energy regulation and control, targeted restoration and collaborative ecological reconstruction. The intelligent filling body is made of the shape memory polymer fibers and the nanometer piezoelectric ceramic particles, the layering process is combined to improve the strength and real-time state feedback, the safety and durability of the filling body are remarkably improved, the high-fidelity digital twinborn model is constructed in a fused mode, intelligent decision making and active wave absorbing regulation are linked, and the stability of the filling body is improved. The subsequent mining efficiency can be effectively improved, the damage risk of the filling body can be effectively reduced, in addition, the damage area is accurately positioned through the unmanned aerial vehicle, directional grouting repair is conducted, heavy metal is solidified through microorganisms, solid waste is recycled, the resource utilization rate in the mining process is increased, and the environmental burden is reduced.
Owner:HEBEI JIANAN MINING & METALLURGICAL ENGINEERING DESIGN CO LTD

Building waste classification and cyclic utilization tracking method oriented to carbon neutralization

The invention belongs to the technical field of carbon footprint tracking management, and relates to a carbon neutralization-oriented building waste classification and cyclic utilization tracking method, which comprises the following steps of generating a physical-digital anchoring voucher bound with a source tracing data packet based on the obtained source tracing data packet; based on the physical-digital anchoring voucher, generating a waste tracing data object which records theoretical carbon emission reduction potential and is in a non-activated state; generating a transportation process consistency log based on the waste tracing data object; generating a terminal cross validation report based on the transportation process consistency log and the waste tracing data object; on the basis of the terminal cross validation report, updating the waste traceability data object by calculating the verified actual carbon emission reduction, and generating a verified emission reduction verification data packet; according to the method, the problems that the whole process lacks an anti-counterfeiting and tracing mechanism and the standardized development of the construction waste recycling industry is restricted due to the dispersity and tampering easiness of related information of the construction waste are solved.
Owner:SHENZHEN DEFA CONSTRUCTION ENGINEERING CO LTD

Intelligent paid waste recycling system

The invention discloses an intelligent paid waste recovery system, which relates to the technical field of waste recovery and comprises an intelligent recovery box main body, a central control module, a user interaction module, a settlement module and a user side applet, the intelligent recycling bin main body comprises a single recycling bin door, an independent identification channel, a sorting execution module and a double-category sorting bin body; the double-category sorting cabin body comprises a paper-plastic cabin body and a fabric cabin body, electric sorting gates are arranged at the tops of the paper-plastic cabin body and the fabric cabin body, and weighing settlement units are arranged at the bottoms of the paper-plastic cabin body and the fabric cabin body; a dangerous goods detection module, a delivery quantity limiting module, an overlapping recognition module, an overlapping goods dispersing module and a self-adaptive illumination category recognition module are sequentially integrated in the independent recognition channel in the goods conveying direction; according to the scheme, identification precision fluctuation can be improved, and a stable and reliable classification effect is formed.
Owner:CHONGQING SHENGAO ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Method for preparing controllable low-strength material from lithium slag and shield muck

The invention belongs to the technical field of solid waste recycling and controllable low-strength material production, and particularly discloses a method for preparing a controllable low-strength material from lithium slag and shield muck. The controllable low-strength material with the fluidity larger than 170 mm and the 28d unconfined compressive strength of 0.3-8 MPa is successfully developed by taking the lithium slag instead of traditional cement as a cementing material, taking the shield muck as a fine aggregate and taking the quicklime as an alkaline activator and adding a polycarboxylic acid type high-efficiency water reducing agent to adjust the fluidity through reasonable proportioning, and the controllable low-strength material with the fluidity larger than 170 mm and the 28d unconfined compressive strength of 0.3-8 MPa is prepared. Under the condition that vibration is not needed, narrow construction areas can be automatically filled, and most backfill projects are met. The cement-free cementing material developed by exciting the lithium slag through the alkaline exciting agent can replace cement, the material cost is effectively reduced, on the other hand, a large amount of lithium slag and shield muck are secondarily utilized, solid waste recycling is promoted, environmental pollution is reduced, and high economic benefits and environmental benefits are achieved.
Owner:江河安澜工程咨询有限公司

Recycling and reusing device for turpentine processing waste

The utility model relates to the technical field of turpentine recovery, and discloses a turpentine processing waste recycling device which comprises a recovery cylinder, the lower surface of the recovery cylinder is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a centrifugal cylinder, and the lower end of the left side surface of the recovery cylinder is fixedly connected with a discharging pipe communicated with the interior of the recovery cylinder. Two filter plates are movably connected to the upper surface of the discharge pipe from left to right in a penetrating manner; racks are fixedly connected to the upper ends of the filter plates, and a driving mechanism is arranged at the position, between the two filter plates, of the upper surface of the discharging pipe; according to the turpentine recycling device, the scraping mechanism is arranged, and a spring in the scraping mechanism is stretched under the action of centrifugal force, so that a scraping plate is attached to the inner wall of the recycling barrel, and adhered turpentine is removed; impurities in rosin are filtered through filter plates, a second motor drives a gear to rotate, and staggered lifting of two racks can be realized, so that the two filter plates are quickly switched for use, and blockage caused by long-time use of the same filter plate is avoided.
Owner:JINGGU XINGFA FOREST CHEM CO LTD

All-solid waste alkali-activated recycled concrete and preparation method thereof

InactiveCN120965251ABrickSlag
The invention relates to the technical field of building materials, in particular to all-solid waste alkali-activated recycled concrete and a preparation method thereof. The concrete is prepared from the following raw materials in parts by weight: 360 to 500 parts of blast furnace slag, 180 to 400 parts of recycled concrete, 90 to 270 parts of recycled red bricks, 40 to 90 parts of silica fume, 30 to 90 parts of phosphogypsum, 240 to 370 parts of iron tailing sand, 350 to 420 parts of recycled concrete coarse aggregate, 200 to 400 parts of alkali activator, 10 to 30 parts of polycarboxylate superplasticizer, 20 to 50 parts of sodium tetraborate decahydrate and 300 to 500 parts of water. According to the invention, through fine proportioning and functional synergy of all the components, a solution of all-solid waste concrete with excellent mechanical properties, durability, construction performance and economical efficiency is provided, and the concrete has a wide application prospect in the fields of green buildings and solid waste recycling.
Owner:GUANGZHOU UNIVERSITY +1

Recovery structure for thin film trimming waste

The utility model relates to the technical field of waste recycling, and discloses a film trimming waste recycling structure which comprises a support which is a device body and used for supporting a device, a smashing assembly which is arranged on the top of the support and used for smashing and recycling waste, and a feeding assembly which is arranged on the top of the support and used for feeding the waste. The feeding assembly is arranged on the outer wall of the smashing assembly and used for transporting thin film waste, the smashing assembly comprises a fan and a smashing machine, the fan is arranged on the outer wall of the support, and the smashing machine is arranged on the top of the support. According to the utility model, when the thin film waste is crushed, wind power is guided into the venturi, so that a siphon reaction is triggered, the waste at the bottom of the venturi can be guided into the crusher to be crushed, and then crushed particles are discharged through the fan; the problem that in the prior art, when waste is recycled, a crusher needs to be independently placed, and consequently cost is increased is solved, cost expenditure is reduced, and working efficiency is improved.
Owner:ZHE JIANG BEN DUO SHI YE YOU XIAN GONG SI

Utilization method of waste carbon fiber reinforced resin-based composite material and rubbing and grinding activation machine with mortar

The invention discloses a utilization method of a waste carbon fiber reinforced resin-based composite material and a belt mortar type rubbing and grinding activation machine, and belongs to the field of waste recycling. Carrying out rubbing friction catalysis and ultrasonic piezoelectric catalytic activation on the waste carbon fiber reinforced resin-based composite material and the barium titanate turbid liquid by adopting a rubbing and grinding activation machine with a mortar, then spraying an activating agent solution, and continuously soaking, rubbing and activating to obtain the modified waste carbon fiber reinforced resin-based composite material. And carrying out variable-pressure gradient heating carbonization activation to prepare the activated carbon barium titanate composite adsorption catalyst. According to the method, barium titanate piezoelectricity and friction catalysis coupled mechanical rubbing are adopted to activate a carbon fiber reinforced resin-based composite material, the stability of the carbon fiber reinforced resin-based composite material is reduced, the difference between carbonization activation conditions and performance of resin and carbon fibers is reduced, carbonization is controlled by adopting pressure transformation and temperature combination, and the activated carbon barium titanate composite adsorption catalyst is obtained. The method can be used for treating heavy metal-containing organic wastewater, new pollutant wastewater and waste gas.
Owner:SHENYANG LIGONG UNIV

One-person one-prescription traditional Chinese medicine application preparation machine

The invention provides a one-person one-prescription traditional Chinese medicine patch preparation machine which comprises a production machine workbench, and the production machine workbench is provided with a protective film feeding frame, a stirring mechanism, a paste extruding mechanism, a pre-pressing mechanism, a uniform pressing mechanism, a cutting mechanism, a medicine patch cloth feeding and recycling assembly, a waste recycling frame, a discharging mechanism and a plurality of storage containers. The protective film feeding frame, the stirring mechanism, the paste extruding mechanism, the pre-pressing mechanism, the uniform pressing mechanism, the cutting mechanism and the discharging mechanism are sequentially arranged from left to right, the stirring mechanism and the paste extruding mechanism are provided with a stirring fast-assembling position and a paste extruding fast-assembling position respectively, the stirring fast-assembling position and the paste extruding fast-assembling position are each provided with a positioning wall, and fast-assembling clamping blocks are arranged on the positioning walls. The storage container is provided with a quick-mounting clamping hole, the protective film feeding frame is provided with a protective film, the protective film is arranged below the stirring mechanism and the paste extruding mechanism, and the patch cloth feeding and recycling assembly is provided with patch cloth. The device has the beneficial effects that a user can quickly detach and clean the storage container, and the requirements of the user are met.
Owner:SHENZHEN HALDEX STC BIOLOGICAL ENG CO LTD

Farmland residual mulching film recycling machine

The utility model discloses a farmland residual mulching film recycling machine which relates to the technical field of waste recycling and structurally comprises a machine body, an absorption box is fixedly connected to one side of the top of the machine body, the bottom of the absorption box penetrates through the top wall of the machine body and is fixedly connected with an absorption opening, and a collection box is fixedly connected to the other side of the top of the machine body. A connecting pipe is jointly and fixedly connected between one side of the absorption box and one side of the collection box, a film taking mechanism is arranged on the inner side of the absorption opening, an air blowing mechanism is arranged on the surface of the machine body, and a negative pressure fan is fixedly connected to one side of the top of the machine body. According to the farmland residual mulching film recycling machine, the situation that soil particles and mulching films are recycled together can be reduced, the recycling quality of the mulching films is improved, the air blowing mechanism assists in rapid collection of the mulching films, and the recycling efficiency of the mulching films is improved.
Owner:SUZHOU QINGYA HUAGU ENVIRONMENTAL TECHNOLOGY CO LTD

Waste recycling equipment for silicone adhesive packaging film production

The invention relates to the technical field of silicone adhesive packaging film waste recycling, in particular to silicone adhesive packaging film production waste recycling equipment which comprises a melting tank, a discharging pipe, an exhaust pipe, a heating module, a stirring mechanism, a wall scraping mechanism, a reciprocating motion mechanism and a cleaning mechanism. The melting tank is fixedly communicated with the exhaust pipe and located above the melting tank, the heating module is fixedly connected with the melting tank and located on the outer wall of the lower end of the melting tank, the stirring mechanism is located in the melting tank, the wall scraping mechanism is located in the melting tank, the reciprocating movement mechanism is located in the melting tank and located above the cleaning mechanism, and the cleaning mechanism is arranged on the stirring mechanism. Through the mode, frequent stirring, uniform heating and sufficient stirring of the silicone adhesive are realized, and the recycling efficiency of the silicone adhesive is greatly improved.
Owner:NANTONG HUWANG PLASTIC SCI & TECH DEV CO LTD

Method for treating vanadium extraction wastewater by using organic amine flue gas desulfurization slag

The invention belongs to the technical field of solid waste recycling and wastewater treatment, and particularly relates to a method for treating chromium-containing wastewater by adopting organic amine flue gas desulfurization residues. According to the method, organic amine flue gas desulfurization residues are used as a reducing agent, phosphoric acid is used for controlling the pH value of wastewater, hexavalent chromium is reduced into trivalent chromium under the acidic condition, meanwhile, desulfurization ash is converted into a melamine phosphate flame-retardant material, and trivalent chromium is separated from water in a precipitation form under the neutral condition; after the precipitate is roasted, chromium sesquioxide powder with relatively high purity is obtained, residual ammonia nitrogen in the wastewater, the added magnesium salt and residual phosphoric acid in the water form struvite precipitate, so that the ammonia nitrogen in the water is removed, and the struvite can be used as a raw material of a slow-release fertilizer. According to the method, the treatment cost of the vanadium extraction wastewater and the flue gas desulfurization slag is remarkably reduced, valuable elements are fully recycled, and resource utilization of flue gas desulfurization waste in a waste-to-waste mode is achieved.
Owner:SHENYANG UNIV

Waste recovery equipment

The utility model relates to the technical field of waste recovery, and discloses waste recovery equipment which comprises a support, a storage box is fixedly connected to the upper surface of the support, and a first feeding box is fixedly connected to the top end of the storage box. According to the waste recovery equipment, the first feeding box and the second feeding box are arranged, and the material storage box is arranged between the two feeding boxes, so that materials are stored when the conveying speed of an air bubble film is not matched with the crushing speed of the crushing mechanism, the situation of material stacking or equipment failure is effectively avoided, it is guaranteed that air bubble film processing operation is continuously and normally carried out, and the working efficiency is improved. By arranging a pressing plate and a first spring, materials in the material storage box are limited when being discharged, the materials in the material storage box can be uniformly discharged, the stability of the material storage box in the discharging process is improved, and the problem that when an existing recycling device works, if the conveying speed of an air bubble film is not matched with the crushing speed of a crushing mechanism, the conveying speed of the air bubble film is not matched is solved. And the problems of material accumulation or equipment failure and influence on normal operation and processing are solved.
Owner:SHANGHAI APPLE ADDITIVE CO LTD

Plastic packaging bag processing waste recovery equipment

The invention belongs to the technical field of packaging bag recycling, and particularly relates to plastic packaging bag processing waste recycling equipment. Comprising a plastic recovery extruder, a feeding mechanism is mounted at a feeding hole of the plastic recycling extruder; the feeding mechanism comprises a mounting table; a through groove is formed in the middle of the table top; a vertical cylinder is fixed to the top of the through groove. An inlet is formed in the bottom of the vertical cylinder; a first electric push rod is mounted at the top of the vertical cylinder; a pressure plate slides in the vertical cylinder; a net cylinder is fixed at the top of the pressure plate; a plurality of first suction pipes are mounted at the top of the vertical cylinder; a dehumidification assembly is arranged on the mounting table; a rotating ring is arranged at the bottom of the mounting table; concave plates are arranged on the two sides of the rotating ring; the rotating ring rotates in the concave plate; circular grooves are evenly formed in the outer ring face of the rotating ring. A loosening assembly is arranged below the rotating ring; by arranging the feeding mechanism, the problem that air holes and needle holes are formed due to air and water vapor residues in molten melt can be effectively solved.
Owner:ANHUI JINTAI PRINTING CO LTD

Method for preparing poly-aluminum and functional silicon material by activating coal gasification slag and waste hydrochloric acid through microwave synergistic mechanical force

The invention provides a method for preparing a poly-aluminum and functional silicon material by activating coal gasification slag and waste hydrochloric acid through microwave synergistic mechanical force, and belongs to the technical field of industrial solid waste recycling. The method comprises the following steps that the coal gasification slag is sequentially subjected to microwave radiation treatment and ball milling, activated slag and waste hydrochloric acid are subjected to an acid leaching reaction, and aluminum-iron-containing leachate and silicon-rich slag are obtained; extracting the aluminum-iron-containing leaching solution to obtain an iron-rich organic phase and a purified aluminum chloride solution; performing thermal polymerization reaction on the purified aluminum chloride solution to obtain polyaluminum chloride; the method comprises the following steps: carrying out alkaline leaching reaction on silicon-rich slag and waste alkali liquor, adding a structure-directing agent into a sodium silicate solution, and sequentially carrying out aging, solution pH value adjustment and crystallization precipitation to obtain mesoporous silica. According to the method, the aluminum-silicon leaching rate is remarkably increased through microwave-mechanical force synergistic activation, synergistic and efficient treatment of the three kinds of waste including the coal gasification slag, the waste hydrochloric acid and the waste alkali liquid is achieved, the technological process is closed, the product additional value is high, and the environmental and economic benefits are remarkable.
Owner:江西锋硅再生资源科技发展有限公司

Method for producing carbon source through co-fermentation of sludge and kitchen waste

The invention discloses a method for producing a carbon source through co-fermentation of sludge and kitchen waste, and relates to the technical field of organic waste recycling, and the method comprises the following steps: collecting a bubble generation time sequence, a liquid phase pressure fluctuation signal and an acoustic scattering signal in a sludge and kitchen waste co-fermentation system, and constructing a coupling distribution model of a bubble size and an oscillation frequency; generating an initial energy evolution spectrum; and under the constraint of the initial energy evolution spectrum, identifying a coherent feature sequence of bubble oscillation, calculating the energy concentration intensity of a multi-scale bubble group, positioning a high-frequency energy concentration area and generating a nonlinear resonance fingerprint. By means of dynamic monitoring and intelligent regulation and control, the energy gathering area is accurately positioned, the resonance process is intervened in real time, suppression of shock wave propagation and predictive control over the structural fatigue risk are achieved, and the fermentation system stability and the carbon source release efficiency are improved.
Owner:TAIAN DONGYUE ECOLOGICAL ENVIRONMENT HOSPITAL CO LTD

Building block cutting waste recovery equipment

The building block cutting waste recycling equipment comprises a dustproof isolation box, the surface of the dustproof isolation box is rotationally connected with a screening net cylinder through an opening, and the rear end of the screening net cylinder penetrates through the dustproof isolation box and extends to the rear portion of the dustproof isolation box. The top of the dustproof isolation box is fixedly connected with a crushing hopper through a support. The building block waste recycling device relates to the technical field of building block waste recycling. According to the building block cutting waste recovery equipment, the screening net barrel is mounted in the dustproof isolation box, auger blades are arranged on the inner side of the screening net barrel, and the screening net barrel is matched with a powder guide plate for use, so that powder can be screened by the rotating screening net barrel and falls on the top of the powder guide plate for sliding and discharging; and dust can be blocked by the dustproof isolation box when falling on the top of the powder guide plate, so that the dust is effectively prevented from scattering outwards, workers are protected, and dust interference is reduced.
Owner:CHIPING XINYUAN ENVIRONMENTAL PROTECTION BUILDING MATERIALS CO LTD

Novel film laminating machine

The invention discloses a novel film laminating machine which comprises a film laminating machine body, an automatic adjusting compression roller mechanism, a waste recycling assembly, a temperature controller, a monitor, a speed monitor, a static electricity eliminator and a quality detector. The automatic adjusting compression roller mechanism is arranged on the film laminating machine main body and is used for monitoring and adjusting the pressure in real time; the temperature controller is arranged on the film laminating machine main body and is used for automatically adjusting the heating temperature according to a film laminating material and the type of a printed matter, so that the film laminating effect is optimized; the novel film laminating machine is reasonable in structural design, and the automatic adjusting compression roller mechanism, the temperature controller, the monitor, the speed detector and the static electricity eliminator are integrated at the corresponding film laminating positions; the structure is compact, automatic pressure adjustment can be achieved, and operation is stable and reliable.
Owner:ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE

Red mud resource recycling treatment method

The invention relates to the technical field of solid waste recycling treatment, and provides a red mud resource recycling treatment method which comprises the following steps: crushing red mud; washing red mud particles, and removing soluble salt; acid leaching treatment; putting the washed red mud particles into an acid solution, and stirring to react for 2-4 hours; then carrying out filtering treatment to obtain a leaching solution containing Fe < 3 + > and Al < 3 + > and silicon slag; separating iron and aluminum; naOH or sodium carbonate is added into the filtered leachate, the PH value of the leachate is adjusted to 2.5-6, and Fe (OH) 3 and Al (OH) 3 precipitates are obtained; and concentrating the mother liquor, introducing CO2, crystallizing, and filtering to obtain Na2CO3. 10H2O. According to the invention, crushing, washing and acid leaching are carried out; and then, the leachate is subjected to precipitation treatment, and iron and aluminum elements in the red mud are recycled. In the acid leaching process, a large amount of heavy metal is dissolved and leached in liquid, and leached sediment after detoxification is decomposed through a microbial agent and then serves as organic soil.
Owner:张亚洲

Automatic feeding continuous crushing method for solid waste recovery

The invention relates to the technical field of solid waste recovery, in particular to an automatic feeding continuous crushing method for solid waste recovery. The device comprises a crusher which is composed of a frame body, a crushing box and a material receiving hopper, a crushing roller rotates in the crushing box, a storage cavity is formed in a material blocking structure, a tooth piece groove is formed in the side, facing the crushing roller, of the material blocking structure, and a cooling structure communicates with the storage cavity and is arranged corresponding to the rotating path of crushing tooth pieces; the spraying device is used for guiding and spraying liquid collected in the storage cavity onto tooth tips of the crushing tooth sheets; when the crushing roller rotates and operates, the tooth tips of the crushing tooth pieces can extrude the connecting pieces at the ends of the driving rods, the driving rods and the end abutting pieces are pushed to press the starting button, then the valve structure in the spraying pipe is opened, and at the moment, the tooth tips of the crushing tooth pieces are just located in the tooth piece grooves; the spraying pipe can directly spray liquid collected in the storage cavity to the highest-temperature area of the tooth tip, and targeted cooling of the high-temperature part is achieved.
Owner:HENAN POLYTECHNIC UNIV

Multi-source solid waste comprehensive road system and method for road reconstruction and extension

The invention provides a multi-source solid waste comprehensive road system and method for road reconstruction and expansion, and relates to the technical field of multi-source solid waste distribution. The system comprises a solid waste classification and coding module, a standard solid waste three-level classification system is established, and a unique digital identity code is generated for each kind of solid waste; the multi-source solid waste database construction module is used for storing and managing digital identity codes, attribute data, image information and geographic position information of the solid wastes and constructing a multi-source solid waste database; the solid waste image recognition and search module determines a solid waste image code and inputs the solid waste image code into a multi-source solid waste database for search matching to obtain a target solid waste attribute file corresponding to the solid waste image code; the intelligent matching module for the solid waste road receives project requirements of road reconstruction and extension, performs multi-target optimization matching on the project requirements and the target solid waste attribute file through a built-in intelligent algorithm, and outputs a recommended solid waste recycling scheme; and optimal utilization of solid wastes in road use is selected, so that high value of resources is realized.
Owner:HUBEI COMMUNICATIONS INVESTMENT EDONG CONSTRUCTION MANAGEMENT CO LTD +3