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43results about How to "% reduction" patented technology

Method and system for drying aerobic organisms in urban raw garbage by aid of hot air

InactiveCN102716894AHigh degree of decompositionLarge amount of water evaporationSolid waste disposalAutomatic controlDecomposition
The invention provides a method and a system for drying aerobic organisms in urban raw garbage by the aid of hot air. Organic matters in the urban raw garbage are decomposed into moisture and other inorganic matters by the aerobic microorganisms in the urban raw garbage with high-temperature biological conditioners by the aid of oxygen provided by the hot air and a formed high-temperature environment, heat is released, most of the moisture is heated and evaporated into steam by the high-temperature environment and the heat, the steam is exhausted in a wet and hot waste gas form, garbage leachate is formed by an additional part of the moisture and drained, and the purpose of drying the aerobic organisms in the urban raw garbage is achieved. The system comprises an urban raw garbage aerobic organism drying bin, a hot-air auxiliary drying device, an air feeder, an exhaust fan, a liquid delivery pump and the like. The method and the system further can be optimized by means of automatic control, waste gas preheating, photocatalytic sterilization and deodorization and the like. The method and the system for drying the aerobic organisms by the aid of the hot air have the advantages that the decomposition degree of the organic matters in the urban raw garbage and moisture evaporation capacity are high, a drying process is short, a drying effect is obvious, and the garbage is treated in a harmless, reducing and stable manner.
Owner:SKYLINE DALIAN ENVIRONMENTAL HIGH TECH +1

Optical-grade polymethylmethacrylate continuous solution polymerization process and equipment thereof

The invention relates to the preparation method of a polymer compound and a plant used therefor, in particular to a continuous solution polymerization process of optical-grade poly(methyl methacrylate) and the plant used therefor. The plant used for the continuous solution polymerization process of optical-grade poly(methyl methacrylate) comprises a refining and distillation device, a polymerization reaction device, a two-stage devolatilization device, and a wire-drawing and granulation device connected with each other in series, and specifically comprises a feed refining tower, a polymerization reaction groove, a recovering and refining tower, heaters a and b, and devolatilization tanks a and b. The continuous solution polymerization process can prepare optical-grade poly(methyl methacrylate) from monomers, a copolymer, a stabilizing agent, a molecular weight regulator, an initiator and a solvent according to the following four steps: (1) refining and distillation, (2) polymerization reaction, (3) flash devotilization and (4) wire drawing and granulation. The PMAA produced by the process has the advantages of high safety, no gel accumulation, improved physical properties and color of the produt, low energy consumption, environmental protection, clean production, good weathering resistance of the product, anhydrous polymerization, no black spots on the product, etc.
Owner:SHANGHAI JINGQI POLYMER MATERIAL

Novel short-process resourceful treatment process for kitchen garbage

The invention relates to the technical field of garbage treatment, in particular to a novel short-process resourceful treatment process for kitchen garbage. The novel short-process resourceful treatment process comprises the following steps that after the kitchen garbage is collected and transported into a factory, materials are subjected to centralized and rapid three-phase separation through anefficient pretreatment system, separated solid-phase materials are subjected to aerobic composting treatment, a product obtained after composting treatment is organic coarse fertilizer, and then the organic coarse fertilizer is subjected to fine processing treatment to be prepared into solid organic fertilizer; impurities separated in the composting process are sent to a refuse landfill to be subjected to landfill treatment or incineration treatment, separated grease provides a qualified raw material product for biodiesel, a separated liquid phase is subjected to anaerobic fermentation to generate a large amount of biomass biogas, and the biomass biogas can be used as fuel of a boiler to provide heat energy and electric energy for a plant area; and as for biogas slurry digested by an anaerobic system, one path of the biogas slurry is adjusted back to the aerobic composting system for humidity and strain adjustment, the other path of the biogas slurry is processed into composite microbial liquid fertilizer for sale, and treated wastewater is discharged after reaching the standard. Waste gas generated in the whole treatment process is biologically deodorized and then discharged afterreaching the standard.
Owner:国智自动化系统(张家港)有限公司

A movable sludge dehydration device and method

A movable sludge dehydration device and method are disclosed. The device includes a sludge sucking unit, a chemical soaking unit, a flocculation unit, a dehydration unit, a self-discharging sludge storage unit and an electric control unit which can be mounted to a vehicle as a whole. The sludge sucking unit is connected to the chemical soaking unit, the flocculation unit, the dehydration unit andthe self-discharging sludge storage unit in order through a pipeline. Sludge is fed into the dehydration device through the sludge sucking unit. The sludge subjected to flocculation by the flocculation unit is dehydrated by the dehydration unit. The electric control unit is separately connected to the sludge sucking unit, the chemical soaking unit, the flocculation unit, the dehydration unit and the self-discharging sludge storage unit to provide electrical drive for normal operation of the whole dehydration device. The device integrates sludge sucking, chemical supplying, flocculation, dehydration, storage, transportation and power supply, overcomes a sludge removing and transportation difficult problem for distributed and small-size wastewater treatment facilities, particularly rural wastewater treatment facilities, and allows the amount of sludge removing and transportation to be reduced, thus facilitating further centralized and resource-recovering treatment of the sludge.
Owner:JINAN BOAN AUTOMATIC CONTROL TECH +1

Safety transport device used for electronic product sale

The invention discloses a safety transport device used for electronic product sale. The safety transport device comprises a main box, pneumatic buffer legs, a handle and an auxiliary box. Two slidinggrooves are formed in each of the left side wall and the right side wall of the main box and are in sliding connection with sliding blocks. First springs are arranged at the upper end and the lower end of each sliding block. The other end of each first spring at the upper end is connected with the top end of the corresponding sliding groove. The first springs at the lower ends are connected with the bottoms of the sliding grooves. The outer sides of the sliding blocks are connected with fixed legs through first connecting blocks. The corresponding two fixed legs on the same side are connectedthrough a connecting rod. Sliding rods are fixedly connected to the lower ends of the fixed legs. Up-down vibration is attenuated at multiple levels through the first springs, the pneumatic buffer legs, second springs, a buffer mat and a soft coating layer, the amplitude of up-down vibration is reduced to a great degree, shakes in the horizontal direction are reduced through a horizontal shock absorption assembly, so that the stability of the safety transport device used for electronic product sale is improved, and the situation that electronic products are impacted and thus are damaged is prevented.
Owner:芜湖婷玉机械科技有限公司

Polar region deep ice layer drilling ice scrap salvaging barrel with continuous vibration function

ActiveCN107023270AReduce the weight of the recovery hoistReduce timesIce drillingVibration devicesScrapDrill hole
The invention discloses a polar region deep ice layer drilling ice scrap salvaging barrel with a continuous vibration function, and belongs to the field of deep ice layer drilling. The polar region deep ice layer drilling ice scrap salvaging barrel is composed of a rotary disc, an upper positioning sleeve, a lower positioning sleeve, a movement conversion disc and an ice scrap collecting barrel. The rotary disc is connected with an upper rotation mechanism through a fixing pin. The upper positioning sleeve and an upper outer pipe are integrally connected in a pipe thread form. A lower fixing sleeve and an upper fixing sleeve are connected through four radial screws. The lower fixing sleeve and the rotary disc are connected through a bearing. The movement conversion disc and the ice scrap collecting barrel are fixed through a nut. The upper rotation mechanism drives the rotary disc to rotate at a low speed, the slow rotation movement of the rotary disc is converted into slow up-down vibration through a movement conversion sliding way, and then the ice scrap collecting barrel is driven to vibrate with the low frequency so as to collect ice scraps in drilled holes. The polar region deep ice layer drilling ice scrap salvaging barrel is compact in structure, the ice scrap barrel ice scrap collecting efficiency can be improved to the maximum degree, accordingly, time is saved for deep ice layer drilling, and the ice core drilling efficiency is improved.
Owner:JILIN UNIV

Multi-layer vertical biological fermentation drying column and drying method

The present invention provides a multi-layer vertical biological fermentation drying column and a drying method. The inner space of a column comprises, from top to bottom, a plurality of layers of fermentation cultivation areas, an inlet air distribution tube and an outlet air distribution tube provided on a side wall of the column, an unloader provided at the bottom of the column, and a surge hopper provided below the unloader. A temperature measuring instrument, the unloader, the inlet air distribution tube and the outlet air distribution tube are all connected to a controller. The plurality of layers of fermentation cultivation areas, from top to bottom, display a trend of intermediate temperature degradation-high temperature sterilization-secondary high temperature fermentation-intermediate temperature fermentation, wherein the intermediate temperature range is 45-54 DEG C, and the high temperature range is above 55 DEG C. According to the invention, a temperature monitoring device and an on-line analyzer of oxygen, ammonia, and hydrogen sulfide are provided in the fermentation cultivation areas, so that information in the drying column is collected in real time and fed back to the controller; the opening degree of a corresponding assembly is controlled by the controller according to a preset index standard, and therefore the biological fermentation environment in the column is adjusted, an index parameter of the fermented material is improved, and an minimization, stabilization and innocuity objective of sludge treatment is achieved.
Owner:湖南省春泥环保科技有限公司

Novel steel slag powder produced through industrial waste residue sludge and treatment method of novel steel slag powder

The invention relates to novel steel slag powder produced through industrial waste residue sludge. The novel steel slag powder is prepared from the following substances in percentage by mass: 80% of the sludge and 20% of steel slag. The invention further relates to a treatment method of the novel steel slag powder produced through the industrial waste residue sludge. The dried sludge and steel slag are mixed and ground together into fine powder, the output per machine-hour is increased by 70%, electricity is saved by 60%, the large amount of sludge can be used, thus land resources are saved, the problem of environmental pollution is solved, the cost is saved, and the quality of application of the steel slag powder to cement products and concrete is improved. When replacing part of cement to be used, the novel steel slag powder has the characteristics of small water demand, large mobility, large compatibility, good wear resistance, high strength and the like. When used for the concrete,the prepared novel steel slag powder has the characteristics of being less in water consumption, small in slump loss, capable of decreasing the using amount of a water reduction agent, good in antifreeze performance, high in anti-carbonization capability, high in chlorine ion permeability resistance, high in strength, low in cost and the like.
Owner:盱眙狼山水泥有限公司

Water mobile-type slurry treatment equipment and treatment process

The invention provides water mobile-type slurry-processing equipment. The equipment comprises a buoyancy platform, an impurity removing system, a sand removing system, a dewatering system, a tail water treatment system, a dispensing system, a solid residue recovery device, a waste-residue receiving device, a mud cake receiving device and a tail water up-to-standard discharge device; and the impurity removing system, the sand removing system, the dewatering system, the tail water treatment system and the dispensing system are connected with the upper part of the buoyancy platform, an outlet ofthe impurity removing system is connected with the solid residue recovery device, an outlet of the sand removing system is connected with an inlet of the waste-residue receiving device and an inlet ofthe dewatering system, an outlet of the dispensing system is connected with the inlet of the dewatering system, an outlet of the dewatering system is connected with an inlet of the mud cake receivingdevice and an inlet of the tail water treatment system, and an outlet of the tail water treatment system is connected with the dispensing system and the tail water up-to-standard discharge device. Compared with a conventional technology, the equipment provided by the invention realizes reduction and stabilization treatment of slurry, reduces subsequent slurry transportation costs, and effectivelysolves a current slurry treatment difficult problem in cities.
Owner:SHANGHAI WATERWAY ENG DESIGN & CONSULTING

Fertilizer control agent and application method thereof

The invention belongs to the technical field of fertilizers and soil protection, and discloses a fertilizer control agent which considers triple effects of soil protection, food quality and effect enhancement and fertilizer loss control, and an application method thereof. The fertilizer control agent is mainly prepared from active calcium silicate, clay, gypsum powder, volcanic rock ash, biochar,straw ash and a micro amount of natural modified high polymer flocculant, can be combined with different kinds of fertilizers to form catalytic fertilizers, can form a fertilizer effect improving fertilizer catalytic space structure when being mixed with water, and can avoid excessive fertilizer use so as to protect the soil. The fertilizer control agent comprises the following components in partsby weight: 200-500 parts of active calcium silicate, 200-500 parts of clay, 20-100 parts of gypsum powder, 10-50 parts of volcanic ash, 20-100 parts of biochar, 20-100 parts of straw ash and 10-25 parts of a natural modified high polymer flocculant. The components are thoroughly mixed and grinded to more than 50 to 500 meshes; and the prepared natural soil-protection fertilizer control agent is suitable for various fertilizers and crops, and is capable of improving the fertilizer utilization efficiency, improving the crop quality and realizing the soil protection effect.
Owner:BEIJING JIAOTONG UNIV

A multi-layer vertical biological fermentation drying tower and drying method

The present invention provides a multi-layer vertical biological fermentation drying column and a drying method. The inner space of a column comprises, from top to bottom, a plurality of layers of fermentation cultivation areas, an inlet air distribution tube and an outlet air distribution tube provided on a side wall of the column, an unloader provided at the bottom of the column, and a surge hopper provided below the unloader. A temperature measuring instrument, the unloader, the inlet air distribution tube and the outlet air distribution tube are all connected to a controller. The plurality of layers of fermentation cultivation areas, from top to bottom, display a trend of intermediate temperature degradation-high temperature sterilization-secondary high temperature fermentation-intermediate temperature fermentation, wherein the intermediate temperature range is 45-54 DEG C, and the high temperature range is above 55 DEG C. According to the invention, a temperature monitoring device and an on-line analyzer of oxygen, ammonia, and hydrogen sulfide are provided in the fermentation cultivation areas, so that information in the drying column is collected in real time and fed back to the controller; the opening degree of a corresponding assembly is controlled by the controller according to a preset index standard, and therefore the biological fermentation environment in the column is adjusted, an index parameter of the fermented material is improved, and an minimization, stabilization and innocuity objective of sludge treatment is achieved.
Owner:湖南省春泥环保科技有限公司
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