55results about How to "Realize local materials" patented technology

Disclosed is a material for composite consolidating earthen road surface and construction method thereof, wherein the said material comprises: sandy soil ranging from 92-98% by wt, 2-8% by wt of cement, ZL-1 liquid curing agent or EN-1 liquid curing agent ranging from 0.1-0.3 permillage of by gross weight of gray soil mixture; or silty soil or clayey soil ranging from 90-96% by wt, 4-10% by wt of lime, ZL-1 liquid curing agent or EN-1 liquid curing agent ranging from 0.1-0.3 permillage by gross weight of gray soil mixture. The material for composite consolidating earthen road surface and its construction method takes extensively distributed soil as main material, reduces 20-50% construction costs, shortens construction time limit, resists freeze, and prolongs available construction time in northern area with early freezing time.

The invention relates to a diking method of a soft soil foundation dike, particularly a sludge-type soil combined secondary dike-back pressure diking method. The technical scheme of the invention is that a secondary dike is arranged on one or two sides inside and outside a main dike of a dike, the distance between the main and secondary dikes is 3-6 times height of the main dike, the section of the secondary is trapezoid or triangular, the height of the top of the secondary dike is higher than that of the top of a sludge-type soil-back pressure dike core by 0-0.5m, the sludge-type soil-back pressure dike core is arranged between the main and secondary dikes and is formed by hydraulic reclamation or backfilling, the heights of the secondary dike and the sludge-type soil-back pressure dike core are not smaller than one third and not larger than two third of the height of the main dike, and the secondary dike and the sludge-type soil-back pressure dike center are combined to form the back pressure structure. The diking method is suitable for the soft soil foundation dike projects, particularly the soft soil foundation dike projects without wave action conditions.

The invention discloses a double-wall type ribbed stone cutoff wall and a construction method thereof. The double-wall type ribbed stone cutoff wall comprises a strip-shaped basic stone cutoff wall body. A plurality of impact-resistant stone cutoff wall bodies are arranged on the surface, facing a falling stone generating zone, of the basic stone cutoff wall body, and the distances between the impact-resistant stone cutoff wall bodies and the basic stone cutoff wall body are equal. The basic stone cutoff wall body is connected with the impact-resistant stone cutoff wall bodies through connecting parts. When falling stone impacts the wall, because the impact-resistant stone cutoff wall bodies bear a large proportion of impact stress and absorb the vast majority of deformation, the basic stone cutoff wall body which is a basic structure behind the impact-resistant stone cutoff wall bodies is not prone to damage, and the stability and safety of the system are high. The impact-resistant stone cutoff wall bodies bear the major impact stress of the falling stone and thus are prone to damage, but the impact-resistant stone cutoff wall bodies are disconnected, so that only the damaged impact-resistant stone cutoff wall bodies need to be dismounted and reconstructed during maintenance. Meanwhile, the construction method of the stone cutoff wall is further provided. The double-wall type ribbed stone cutoff wall and the construction method thereof have the advantages that construction is fast, post-disaster repairing is easy, and investment is small.

The invention relates to a cleaning device for a fishing-light complementary solar photovoltaic panel. The cleaning device comprises a water conveying system, a supporting and fixing system, a track system, the solar photovoltaic panel, a cleaning mechanism, a storage battery, an inverter and a controller. The water conveying system pumps fishpond water to supply water to the cleaning mechanism, and the storage battery is connected with the solar photovoltaic panel to supply power to the cleaning mechanism; the cleaning mechanism is driven by the track system arranged on the solar photovoltaic panel to move transversely and longitudinally on the solar photovoltaic panel for cleaning, and large-area cleaning of the solar photovoltaic panel can be achieved; and according to the cleaning mechanism, through the internal design of a nozzle, a roller brush and a cleaning mop, dual cleaning of firstly brushing the surface of the solar photovoltaic panel and then rotatably mopping the surface of the solar photovoltaic panel can be achieved. The cleaning device can efficiently remove dirt such as accumulated dust and bird droppings on the surface of the solar photovoltaic panel in a large area, and the cleaning efficiency of the solar photovoltaic panel of a fishing-light complementary power station is improved.

The invention provides an afforestation drip irrigation system and an afforestation method for gobi desert regions. The afforestation drip irrigation system is applied by the aid of the afforestationmethod. The afforestation drip irrigation system comprises a head hub, a drip irrigation main pipe and drip irrigation branch pipes. The head hub, the drip irrigation main pipe and the drip irrigationbranch pipes are sequentially connected with one another, a plurality of drip irrigation capillary pipes which are arranged along tree rows are connected onto the drip irrigation branch pipes, the drip irrigation branch pipes further comprise water inlet pipes, the water inlet pipes are vertically embedded in tree pits, a pressure compensation type dripper is arranged on a certain position on each drip irrigation capillary pipe whenever the drip irrigation capillary pipe is in contact with the corresponding tree pit and is connected with a capillary pipe, the upper portions of the water inletpipes are exposed out of the ground, protective covers are arranged on the tops of the water inlet pipes with opening bottoms, capillary pipe holes are formed in the upper portions of the water inletpipes, and the capillary pipes extend into the water inlet pipes via the capillary pipe holes. The afforestation drip irrigation system and the afforestation method have the advantages that water andfertilizers can be directly delivered to the roots of trees by the water inlet pipes, accordingly, concealed drip irrigation can be implemented, evaporation from the ground can be reduced, drip irrigation water consumption can be decreased, and the survival rate of the trees can be greatly increased; breather holes are formed in the water inlet pipes, accordingly, the root systems of the trees can conveniently breathe, and the survival rate further can be increased.

The invention discloses a rapid and flexible forming method and flexible tool for a large-curvature thin-wall plate with the irregular surface. The flexible tool comprises a supporting base, a fixed support, a movable support, two layers of supporting plates and a plurality of unit pressing rods, wherein the fixed support and the movable support are assembled on the supporting base; the two layers of supporting plates are installed on the fixed support and the movable support through fixing frames; each layer of supporting plates comprise two opposite I-shaped supporting plates and two opposite II-shaped supporting plates; the two opposite I-shaped supporting plates and the two opposite II-shaped supporting plates are used as edges to define a rectangular or square cavity; the unit pressing rods are provided with external threads; the I-shaped supporting plates and the II-shaped supporting plates are provided with through holes; and internal threads are formed in the through holes. The unit pressing rods are assembled on the I-shaped supporting plates and the II-shaped supporting plates through the external threads and the internal threads to form two sets of upper and lower movable unit pressing rod arrays which are opposite in a one-to-one mode, so that the clamping problem in rapid reshaping and remanufacturing of a complex large-curvature irregular curved plate is solved.

The invention relates to a surface soil replacing material for an opencast coal mine, belonging to the field of ecological environment materials for land rehabilitation and ecological reconstruction techniques. The material is mainly prepared from the following components in percentage by weight through mixing: 30%-40% of surface soil, 20%-50% of mild clay, 30%-50% of sandy soil, 10%-20% of mixed soil, 0.1%-0.5% of organic matters (cow and sheep manure) and 0.1%-0.5% of modified straws. According to an improved formula, the basic characteristics of soil are maintained, the physical, chemical and biological characteristics of an original surface soil replacing material are improved, and the growth performance and stress resistance of plants are improved; and the surface soil replacing material is a specific material for realizing the land rehabilitation and ecological reconstruction of rehabilitation regions of the opencast coal mine.

The invention discloses a preparation method and a material using standards of a slate alkali reactivity restraining addition agent (FLSR-I). The addition agent is composed of mixing materials, ganister sands, nanometer SiO2, triethanolamine, a high-efficient plasticizing agent and an air entraining agent, the preparation method comprises accurately weighting dosage of the mixing materials, the ganister sands, the nanometer SiO2, the triethanolamine, the high-efficient plasticizing agent and the air entraining agent in proportion during preparation; sufficiently blending the mixing materials,the ganister sands, the nanometer SiO2, the high-efficient plasticizing agent and the air entraining agent, and manufacturing end products of the restraining addition agent by blending with the triethanolamine; and mixing in preparation of alkali reactive aggregate concrete in carious grades in proportion. The preparation method can effectively restrain reaction of slate alkali aggregate with expansion ratio between 0.2% to 0.5% and is obvious in restraining effect, simple and convenient in using method and free of needs of special construction control, thereby being capable of greatly lowering engineering using materials and transportation cost, and expanding material selecting range of the engineering using materials simultaneously.

The invention discloses a rubber boat drive device which comprises a propeller, a connection rod, a drive device and a fixing frame. The drive device is composed of two manual electric drills, output shafts of the manual electric drills are connected with the one end of the connection rod, the other end of the connection rod is connected with the propeller, the manual electric drills are arranged on the fixing frame, and the fixing frame is disposed on a rubber boat. By means of double-power drive, the rubber boat drive device is simple in structure, low in noise and convenient to carry.

The present invention discloses a method and an apparatus for flue gas desulfurization and sulfuric acid production. The method comprises that (1) flue gas is subjected to heat exchange through a sulfuric acid storage tank, and then the obtained flue gas enters a dust removing quenching tower and is subjected to primary dust removing cooling; (2) the cooled flue gas enters a desulfurization tower and sequentially passes through a deep dust removing unit, a desulfurization unit and a water washing unit from bottom to top; (3) in the water washing unit, the SOx in the flue gas is absorbed with fresh water, the liquid phase overflows and sequentially passes through the desulfurization unit and the deep dust removing unit, the obtained liquid phase enters the dust removing quenching tower to obtain a rich absorption liquid, solid-liquid separation is performed, and the gas phase is discharged in atmosphere after defogging; and (4) the rich absorption liquid being subjected to solid waste separation is discharged into an oxidation tank, the liquid phase enters a regeneration tower, the Fe<3+>/Fe<2+> in the liquid phase is removed, and the obtained liquid phase enters the sulfuric acid storage tank in the form of dilute sulfuric acid. With the method and the apparatus of the present invention, the SO2 in the flue gas can be absorbed and concentrated, and can be oxidized into the sulfuric acid so as to produce the high concentration sulfuric acid, the purified flue gas can meet the national or local relevant standard requirements, and the method and the apparatus are suitable for the recovery treatment of flue gas containing various concentrations of sulfur dioxide.

The invention is applicable to a portable solar umbrella with a fan. The portable solar umbrella comprises a foldable connecting frame (1), a solar fixing shaft (2), a locking nut (3), a storage battery (4), a human strap fixing device (5), the miniature fan (6), a rotation center (7), detachable solar panels (8) and rainproof plates (9). A working principle includes that all components of the portable solar umbrella with the fan can be detached, all devices are connected with the foldable connecting frame (1), and power transmission lines are arranged in the connecting frame (1). Power generated by the solar panels (8) can be transmitted to the storage battery (4) via the lines, all energy required by the miniature fan (6) can be provided by the storage battery (4), and the miniature fan is adjustable, can blow wind at different classes for different positions and can be controllably switched on and off. The portable solar umbrella with the fan has the advantages that the portable solar umbrella not only has a sunshade function for customers, but also can provide pleasant sensation of cool summer wind for the customers, and accordingly the customers can enjoy the portable solar umbrella in both the material aspect and the spirit aspect.

The invention provides a sewage adsorbent based on oily dross. The sewage adsorbent is prepared through the following steps: (1) uniformly mixing oily dross and a dehydrating agent and then drying, thereby acquiring solid dross; (2) performing pyrolysis on the solid dross at 550-650 DEG C for 1-3 hours, thereby preparing solid residues; and (3) grinding and sieving the solid residues, and then removing oxides and ash components from the solid residues, thereby acquiring the sewage adsorbent. The sewage adsorbent can be used for removing COD and petroleum from the oil extraction sewage. The sewage adsorbent provided by the invention not only can be used for harmlessly disposing the oily dross but also can supply an absorbing material for disposing oil extraction sewage and can realize the circulating utilization of 'waste-resource-product' of an oil field united station.

The invention relates to a fabricated heat preservation decoration and structure integration wall and a preparing and installing technology thereof. The fabricated heat preservation decoration and structure integration wall comprises a bearing skeleton and a gradual change composite heat preservation layer in pouring fixed connection with the bearing skeleton, and the gradual change composite heatpreservation layer comprises a micropore foam concrete base layer, a heat preservation core material layer and an inorganic heat preservation material gradual change transition layer which are sequentially arranged. The side face of the inorganic heat preservation material gradual change transition layer is provided with an outer decorative panel protective layer fixedly connected with the bearing skeleton. The bearing skeleton and the gradual change composite heat preservation layer jointly form a prefabricated composite outer wall panel, the bearing skeleton is adopted as the skeleton structure for bearing various load effects, and the anti-seismic and wind resistance structure performance of the wall panel is enhanced; the gradual change composite heat preservation layer overcomes thedefects of surface layer material cracking, leakage and large deformation caused by large internal and external temperature differences, and a building exterior wall integrating facade decoration, fire prevention, heat preservation, heat insulation and structure safety is formed.

The invention relates to an ecological protection construction method of a stepped 3D stiffened bridge abutment conical slope. The construction method mainly comprises the construction steps of construction of a foundation A, construction of a drainage blanket, construction of a first-storey stepped component, construction of first-storey backfill soil, protection construction of the conical slopebelow the maximum water level, and protection construction of the conical slope above the maximum water level. Through the construction method, after completion of the foundation A and the drainage blanket, the first-storey stepped component and a corner component are mounted on the foundation; the first-storey backfill soil is laid, and the backwater ends of geogrids are reversely enveloped; referring to the above steps, protection construction is conducted on the portion, below the maximum water level, of the conical slope; further layered construction is conducted on the portion, above themaximum water level, of the conical slope, the two ends of each geogrid are reversely enveloped, and an isolation zone is isolated at the end facing water. The ecological protection construction method of the conical slope has the advantages that construction is fast and convenient, the stability is high, the waterproof performance is good, the ecological effect is high, the occupied area is small, the comprehensive benefits are prominent, and the defects existing in signal ecological protection and engineering protection are overcome.

The invention discloses a preparation method of a high-heat-generation electric shock curing concrete structure, which specifically comprises the following steps: mixing fine aggregate, a non-conductive nano material and a conductive nano material, and fully and uniformly stirring to obtain a dry material A; mixing the cementing material and the conductive filler, and fully and uniformly stirring to obtain a dry material B; mixing the dry material A and the dry material B, fully and uniformly stirring, adding water and a water reducing agent, and fully and uniformly stirring to obtain the non-conductive nano material modified concrete material; and preparing the non-conductive nano material modified concrete structure through electric excitation curing. The electric heating property development rule of the electric excitation curing concrete structure is fully considered, the heating efficiency of the concrete structure under the electric excitation curing effect can be remarkably improved by adding proper non-conductive nano materials into the structure, under the same power-on power, the curing temperature of the concrete with the high heating efficiency is higher, and the curing effect is better. The method is beneficial to development of mechanical properties and is suitable for rapid and high-quality construction of an electric excitation curing concrete structure.

The invention discloses an ecological dam with a water purification function. The ecological dam comprises a main dam body which is provided with a water passing channel formed in the water flow direction; the water passing channel is internally provided with multiple water purification and collection devices which are communicated with one another in sequence through pipelines, and a drain pipe is arranged on the water purification and collection device farthest from a water receiving end and used for discharging purified water collected by all the water purification and collection devices toa water supply pipeline. The ecological dam is provided with multiple water purification devices capable of conducting purification on the spot, a unique water purification structure is formed, riverwater can be obtained from local sources, secondary utilization is achieved, the structural design is simple and practical, the dam is mainly adopts concrete for support, not only is the manufacturing cost lowered, but also water purification can be continuously and effectively conducted, convenience is brought to later maintenance, and the dam is more economical and practical.

The invention belongs to the technical field of garbage treatment, and in particular, relates to a method for landfill coverage by using deep-mineralized stale garbage compounding. Deep-mineralized stale garbage is used as fillers for day coverage and middle coverage of a landfill and closure repair coverage; the day coverage fillers are protecting layers, adjusting layers and stabilizing layers in sequence from top to bottom; the middle coverage fillers are anti-seepage layers and function adjusting layers paved in sequence from top to bottom; and the closure repair coverage fillers are vegetation layers, drainage layers, anti-seepage layers and exhaust layers in sequence from top to bottom. The physical and microorganism activity of deep-mineralized stale garbage humus and the hydraulicproperty are fully exerted to accelerate the biodegradation and stabilization progress of the landfill, so that the internal biodegradation environment of the landfill is effectively improved, and meanwhile, the ecological repair function of the landfill is improved. The deep-mineralized stale garbage humus can use local materials, so that the reduction and the recycling of solid wastes in the landfill are achieved, and the landfill operating cost can be saved.

The invention belongs to the technical field of ecological environmental protection, desert sand and bulk solid waste resource utilization and saline-alkali soil treatment and utilization, and particularly relates to artificial soil for treating saline-alkali soil and a use method of the artificial soil. A guiding idea of changing'improvement 'into'treatment' is provided, various bulk coal-based solid wastes, desert sand, waste sandy soil and other various suitable materials are used for producing artificial soil with good quality through an artificial means, saline-alkali soil which is not suitable for plant growth is replaced or mixed with the saline-alkali soil, and a soil structure with planting capacity, water and fertilizer retention capacity and sufficient nutrient substances is formed. According to the technical route, planting profit of the upper artificial land is not delayed, meanwhile, the original saline-alkali soil on the lower portion is provided with the rest time, many difficulties and defects in the existing saline-alkali soil improvement process can be avoided, for example, the scale is small, and repeated salinization is prone to occurring. The saline-alkali soil treatment method can give consideration to solid waste treatment, ecological restoration and economic value-added benefits, and has a good application prospect.