1818results about How to "Save land" patented technology

The invention relates to a method for high-density industrial culture of blood-sucking leeches, which belongs to the technical field of artificial culture of the blood-sucking leeches. The culture method cultures commercial leeches artificially by the steps of selecting a place, building a pond, putting leech seeds into the pond, feeding the leech seeds, preparing cocoon producing beds, producing cocoons and hatching the cocoons, culturing young leeches, living through the winter and the like, and achieves recirculation culture by the steps of producing the cocoons and hatching the cocoons. In the culture process, when the reproduction rate of the cultured leeches goes down after three generations of close breeding, the cultured leeches are mated with wild leeches to achieve the aim of the rejuvenescence of parent leeches. The culture method solves the problems that the changes of the natural environment and the increment of pollutant sources make naturally-growing leech sources decrease day by day and the gradually expanded market demand cannot be satisfied. The culture method for culturing the leeches has less investment but high production. The input of 100 kilograms of the leeches can yield 200 kilograms of the commercial leeches. The culture method can culture the leeches not only by building large vinyl tunnels and ponds, but also by using rural homesteads, yards or vacant houses for building the ponds, and has good economic benefits.

The invention relates to a centralized kitchen waste treatment method which comprises the following steps of: (A) sorting kitchen waste; (B) separating oil from water; (C) treating oil; (D) treating sewage; and (E) treating odor. Compared with a traditional kitchen waste burying method, by using the centralized kitchen waste treatment method, a great amount of soil is saved and an available methane resource is generated, kitchen waste reaches 100 percent of harmlessness, more than 95 percent of resource utilization and more than 95 percent of quantitative reduction, and the harmless treatmentof waste and the recycle of resources are truly realized.

The invention discloses a multiple-stratum-series tight sandstone gas reservoir well spacing method. The method includes the following steps that first, based on high-resolution sequence stratigraphy, distribution of sand bodies is depicted, an effective reservoir stratum is predicted through the earthquake and well logging technology, and an enrichment region is preferentially selected; second, based on a favorable region, a longitudinal structure of the sand bodies is fine dissected through the geology and well logging technology, and therefore the horizontal distribution law of the sand bodies can be researched; third, in the preferential favorable region, well spacing is performed according to conditions. The well spacing method is reasonable and takes the complex geology that multiple gas-bearing series longitudinally develop in an upper palaeozoic tight sandstone gas reservoir, the single layer yield is low and the lateral variety of the reservoir stratum is fast into consideration, the drilling success of a development well can be guaranteed, the development effect can be improved to the maximum extent, and the economical and effective development of the tight sandstone gas reservoir is achieved.

The invention relates to double loop double pyrolysis incinerator and its using method. Its features are that drying apparatus is formed by horizontal rotary kiln drying device, steam separator, and fume reflux line; the feed port of the horizontal rotary kiln is connected with discharge port of the feeding device; its discharge port is connected with the feed port above secondary burning chamber. While running, part of high temperature fume of secondary burning chamber can enter the rotary kiln to process reverse drying preheat and pyrolysis for the garbage; cooled fume is inducted into the secondary burning chamber by secondary fan after dehydrating by steam separator. Compared with exiting technique, the invention has the advantages of continual heat transfer, fast gasification rate, full burning, processing domestic garbage without auxiliary fuel etc.

A suspension maglev rail transit system includes an orbital system, a suspension system, a control system and a car system, wherein the control system comprises a drive system, a guidance system and asuspension control system, wherein the track system is suspended in the air through upright posts, the car system is suspended vertically below the track system through the suspension system, and thedrive system and the guidance system cooperate to drive the car system to operate in the track system. The invention utilizes the levitation force with the permanent magnet repulsion force as the main force and the electromagnetic regulation as the auxiliary force to suspend the car on the air track, and realizes the stable operation through the non-contact traction of the linear motor. The invention has the advantages of low energy consumption, high safety, no land occupation, low cost, strong climbing ability, small turning radius and wide adaptability.

The invention relates to a building method for underground space structure with existing building and common land, and the equipment. By said method and equipment, the development for underground space with existing building and common land is realized safely, quickly, economically at a large scale.

This invention relates to a photograghic intaglio printing ink which equals to carving intaglio printing ink. It can be used in photographic intaglio printer, and its outstanding feature is that the price of the printer is cheap, lithographic cost is low, and the post-treatment step of sewage during printing process is unneeded, so the sewage from carving intaglio printing ink printing process is eradicated completely and with no environmental pollution, and the printing ink is no waste and its non-offset performance is very good. It dries quickly, so it shortens the production cycle and saves the production buildings and land. The color of ink of its printing is of distinct hierachical structure and strong stereoscopic feeling. Its printing effect is the same as that of carving intaglio printings. The physicochemical fastness of its printing is superior to that of carving intaglio printings. Its printing cost is low.

The invention relates to a process for continuous steelmaking from a ferriferous material. A molten pool is formed in a steel-smelting furnace at first, and carbonic material and oxygen are insufflated to form foaming slag; the ferriferous material and a fluxing agent are added into the smelting furnace to be molten and reduced, oxygen is insufflated into the molten steel so as to reduce the carbon content in the molten steel, the temperature of the molten steel is risen, and the molten steel is stirred with the generated CO gas; high temperature oxygen or oxygen-enriched air is insufflated and burns with CO gas generated in the smelting furnace; and the molten steel continuously flows into an oxygen blowing furnace through a siphon nozzle, and a small quantity of the fluxing agent is added into the oxygen blowing furnace so that slag formation, desulfurization and dephosphorization are performed, the C content and the temperature in the molten steel are further adjusted through blowing oxygen by an insertion oxygen lance, therefore, the obtained molten steel is directly supplied for an LF refining furnace or an RH refining furnace. The invention has the advantages that the productivity equipment including a suspended pre-reduction furnace, the smelting furnace and the oxygen blowing furnace, the investment for devices and capital construction is saved, the land is saved, the physical distribution is simplified, and the continuous production and the automatic control are facilitated.

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment tridimensional artificial wetland system that is used for the industrial waste water treatment of small-scale isolated pollution sources. The invention aims at providing a tridimensional artificial wetland system that is used for sewage treatment and that has small floor occupancy, high hydraulic load, high pollution load and long service life so as to overcome the defects of the current sewage treatment of big artificial wetland floor occupancy, low hydraulic load, low pollution load and short system service life. The key points of the invention are that: the artificial wetland for sewage treatment adopts a tridimensional assembled structure of vertical current artificial wetland and horizontal subsurface flow artificial wetland, and base materials are filled in various directions to form the tridimensional artificial wetland system for sewage treatment; the tridimensional artificial wetland system for sewage treatment comprises a water collecting header, a porous water-filtering vertical current artificial wetland bed, a first-stage regulating tank, a water drop chute, a grid tank, a second-stage regulating tank, a horizontal subsurface flow artificial wetland bed and a water collecting tank.

The invention relates to an aerated concrete regenerative building block produced by using garbage clinkers and a manufacturing method thereof. The manufacturing method comprises the following steps of: adopting the garbage clinkers, flying ash, river sand, silicate cement, lime, calcium sulfate, poly-carboxylate water reducing agent, aluminum powder, glcditsia sinensis powder, borax, sodium chloride and water as raw materials; stirring the raw materials into a paste by using a double-shaft hybrid stirring machine, and pouring the paste into a die; performing delaying curing for gas development and solidification; forming the paste through machinery cutting; putting the formed garbage clinker aerated concrete regenerative building block into a still kettle to perform steam curing; and raising the temperature to heat up the building block for 2 to 3 hours first, heating the building block for 5 to 8 hours at a constant temperature of between 95 and 100 DEG C, and then naturally cooling the building block for 1 to 2 hours to obtain a garbage clinker aerated concrete regenerative building block product. The product has the advantages and effects of light weight, high strength, no pollution, low cost and good benefit, and accords with a national prescription for saving energy, reducing emissions, developing low-carbon economy and protecting the environment.

The invention relates to a method for treating petroleum refining waste water. The method for treating petroleum refining waste water comprises the steps of a gravity oil-separating unit, a two-stage air floatation treatment unit, an anaerobic and aerobic two-stage biochemical treatment unit, a biochemical posttreatment unit and the like. Through the analysis of the specific implementation effect, the technical implementation effect of the method is much more excellent than the conventional technical standards. Compared with the prior art, the treatment effect of the method is obviously more excellent than the traditional process method; qualitative improvement on the quality of the treated water is achieved; the current newest national and local emission standard is completely met; and therefore, the method has a very wide application prospect.

The present invention is the production apparatus and process of foamed building wall board coated with glass fiber reinforced cement. The production process includes painting demolding adhesive, jetting pre-mixed glass fiber reinforced cement mortar to form the reinforcing facing layer; laying steel wire net or glass fiber net; setting supporting steel skeleton and fixing it to the net; depositing foamed cement; leveling and curing; laying the second layer of steel wire net or glass fiber net; painting fiber gypsum layer, leveling and press polishing; curing and demolding; finishing the facing layer; and deep curing to form the building wall board. The production apparatus includes combined stirring station comprising decorating material stirrer, pre-mixed material stirrer, slurry stirrer and mold platform; combined facing layer operating vehicle with material distributing manipulator; and combined foaming operation vehicle.

The invention discloses a Grifola frondosa strain for producing polysaccharide with a composite raw material of rice bran and wheat bran, which belongs to the technical field of microbial application technology and food biology. The Grifola frondosa strain JSU10 is preserved in China general microbiological culture collection center (CGMCC) in October 8th, 2010 with the CGMCC No. 4179 and is identified to be Grifolasp. The invention improves the positive mutation rate of the Grifola frondosa strain for rapidly growing and producing Grifola frondosa polysaccharide on a composite culture medium of rice bran and wheat bran by composite mutagenesis of ultraviolet rays and microwave to obtain a high-yield strain; the strain and the original strain are respectively a liquid fermentation rice bran and wheat bran composite culture medium; and hypha dry weight and polysaccharide of the mutated strain are respectively improved by 39.24 percent and 42.58 percent compared with the original strain.

Bean sprouts production method comprises the following process: A. site selection; B. site disinfection; C. seedling tray disinfection; D. seed selection; E. seed soaking; F. get-on carrige management. The present invention advantage is to use the achievement of biotechnology to break through the traditional production mode for in vivo sprouts, and use simple equipment firstly to process standardization aggregate production new mode for novel semi-closed multi-layer dimensioned soilless culture under the worse condition. Bean sprouts production procession is not affected by outside environment, and no fertilizer, hormone and pesticide is used, it is nuisanceless vegetable and belongs to green food. The present invention is short growth cycle, early benefiting, high yield and land saved, and can be factory and intensive production.

The invention discloses a sewage biochemical treatment integrated device, system and process method. The sewage biochemical treatment integrated device comprises a pond body (17), wherein an incline guide baffle plate (6) is arranged in the pond body (17), one side of the incline guide baffle plate (6) is provided with an aeration assembly (12) and a vertical gas stripping and reflowing assembly (4), an outer reflowing sludge discharging bucket/trough (13) is arranged between the aeration assembly (12) and the incline guide baffle plate (6), the other side of the incline guide baffle plate (6) is provided with a settling assembly (10) and an incline guide plate/tube (9) parallel with the incline guide baffle plate (6), a chemical spraying perforated pipe (8) is arranged above a water feeding hole of the incline guide plate/tube (9), a settled sludge discharging bucket/trough (14) is arranged below the settling assembly (10), and a movable shielding plate (16) is arranged above the settling assembly (10). The sewage biochemical treatment integrated device has the advantages of small occupation area, low energy consumption, engineering investment reduction, low operation cost and easiness in operation and management because of the combination of gas stripping and reflowing circulating denitrification and suspension cleared sediment dephosphorization.

A treating method of waste cathode charcoal blocks is provided. The waste cathode charcoal blocks are from electrolytic tank heavy maintenance slag of an electrolytic aluminium factory. The method includes treating the electrolytic tank heavy maintenance slag to obtain powdered waste cathode charcoal blocks, subjecting the powdered waste cathode charcoal blocks to water leaching to obtain a leachate and cathode charcoal blocks after leaching, performing solid liquid separation after the leachate and a fluorine removal agent are subjected to a curing reaction, returning the filtrate to the leaching step for circulated use, and stacking filter cakes or adopting the filter cakes as a raw material for preparing calcium fluoride. The method adopts a manner of a plurality of times of leaching, thus achieving innocent treatment of the waste cathode charcoal blocks. The filtrate and the filter cakes after leachate treatment can be reused, and the cathode charcoal blocks after leaching can be adopted as fuel for producing alumina. The method overcomes a series of problems caused by stacking of a large amount of the waste cathode charcoal blocks, achieves efficient utilization of the waste cathode charcoal blocks, and is obvious in economic benefit and suitable for industrial production.

The invention provides a filling-reclaiming method for building land in coal mining subsidence areas, which belongs to the technical field of mining and is used to solve the problem of developing and utilizing coal gangue. The invention adopts a technical scheme that the method is implemented according to the following steps: a, draining accumulated water in reclamation areas and clearing silt; b, striping and stockpiling surface soil; c, determining the thickness and density of coal gangue for hierarchical backfilling through a vibration pressure test; and d, performing hierarchical backfilling compaction on the coal gangue and soil. The method has the following main advantages that: 1, the ways of utilizing the coal gangue are expanded, and environmental pollution caused by stockpiling the coal gangue on ground is reduced; 2, the situation that building land is increasingly short is alleviated by reclaiming subsidence land to be the building land; and 3, the treatment for coal gangue for large-area hierarchical backfilling by a hierarchical vibration-compaction method is economical, reasonable and ideal in compaction effect, can improve the compactness and bearing capacity of coal gangue layers, and can prevent the spontaneous combustion or efflorescence of coal gangue foundations and the separation of harmful substances from polluting local environment because hierarchical compaction greatly reduces porosity and isolates air.

The invention discloses a movable LED illumination circulation plant water-culture device. The movable LED illumination circulation plant water-culture device mainly comprises a multilayer support, a planting device, a lighting system, a temperature control system and a water, fertilizer and air integrated circular supplement system. The movable LED illumination circulation plant water-culture device can be moved to a proper place to perform water culture according to natural lighting conditions and space sizes, fixed in a room for use, and moved out of the room or moved to a corridor for use. The movable LED illumination circulation plant water-culture device is simple in structure and convenient to operate, so that the movable LED illumination circulation plant water-culture device is applicable to homes and laboratories for researches. Furthermore, the movable LED illumination circulation plant water-culture device is suitable for planting of nursery stocks of multiple plants, branch planting and seed sowing. By controlling lighting time and the temperature of water culture liquor and supplementing water, fertilizers and air (oxygen) in a circular mode, growth and development of the plants are promoted, and therefore, plant water culture which is low in power consumption, easy to operate, rapid in growth and high in efficiency is achieved. The movable LED illumination circulation plant water-culture device has high practical value and wide market prospects.

The invention relates to a sintering expansion type light ceramsite produced by using oily sludge and a manufacture method of the sintering expansion type light ceramsite. The manufacture method is characterized by comprising the following steps of: uniformly mixing raw materials including oily sludge, building waste residue, waste energy-saving lamp residue, boiler waste residue, wood material processing waste residue, calcium oxide, calcium sulfate, carboxymethylcellulose, calcium carbonate, ferric sulfide, a polycarboxylate superplasticizer, ferrous sulfate, magnesium sulfate and water by using a dual-shaft mixing and stirring machine, manufacturing into spherical particles with diameters of 5-20mm by using a disc pelletizing machine, drying, roasting by using a dual-cylinder rotary kiln, controlling the temperature to be 1,050-1,200 DEG C and the time to be 10-25 minutes, cooling and discharging from the kiln, then screening and manufacturing to be a sintering expansion type light ceramsite product. The sintering expansion type light ceramsite product has the advantages and effects of being light in weight, preserving and insulating heat, absorbing and insulating sound, comprehensively utilizing and recycling solid waste resources, and being free of pollution, low in cost and good in benefit, and accords with the requirements of saving energy, reducing emission, protecting environment and developing low-carbon economy in China.

The invention discloses a cooperative control method of a left-opened-door bus special phase setting and social traffic flow, which comprises the following steps: setting a bus station and a stereo facility which help pedestrians to cross a street; detecting a bus; determining the running time of the bus; determining a signal phase of the bus which drives through an intersection; and setting the bus special phase and a cooperative control plan. According to the invention, the bus stations in two directions are combined and placed at a median strip of the intersection, so that not only the land is saved, but also the bus station points are easier to recognize, and meanwhile, a new concept for planning and constructing of a public transit network is provided, that is, the public transit network is connected based on the bus stations arranged at intersections. With the adoption of the method, the situation that the bus does not stop at an intersection without a bus station while stops at an intersection with a bus station can be basically realized, so that passengers waiting for a long time at an intersection with a bus station can be avoided, thereby shortening the whole driving time of the bus and improving the whole operation efficiency of the bus system. Moreover, the method is functioned as the cooperation of the social traffic flow, so that the passing efficiency of the whole intersections is guaranteed.

The invention relates to a planted roof and a construction method thereof. The invention can effectively solve the roof problems of water resistance, heat insulation and crop and flower planting. The roof comprises a roof layer and a waterproofing membrane, wherein the roof layer is provided with a sloping layer which is provided with a leveling layer; the leveling layer is provided with the waterproofing membrane; a root resistant waterproof layer is arranged between the waterproofing membrane and a drainage layer; an isolation filtering layer is arranged on the drainage layer and is provided with a planting medium layer; plants are planted on the planting medium layer to form a plant layer; the circumference of the roof layer has a dead wall which is connected integrally and is higher than the planting medium layer. The construction method comprises the following steps: cast-in-situ reinforced concrete is made into the roof layer and then the leveling layer is prepared; coiled material is made into the waterproofing membrane and the root resistant waterproof layer arranged thereon after bail moist conservation; when leakage stops, the drainage layer, the isolation filtering layer and the planting medium layer are laid down immediately. The planted roof has high quality and long service life and can save land, thereby having enormous social benefits and economic benefits.