156results about How to "Solve transportation difficulties" patented technology

The invention relates to a liquid fertilizer used for eggplant based on biogas slurry and its application method, which comprises the following steps by weight: 70-90 parts of biogas slurry, 10-15 parts of ammonium nitrate, 3-5 parts of dipotassium hydrogen phosphate, 5-8 parts of potassium chloride, 1-3 parts of calcium nitrate, 0.8-1.5 parts of ferrous sulphate, 0.5-0.8 parts of magnesium chloride, 0.2-0.5 parts of zinc sulfate, 0.5-1.5 parts of boric acid, 0.3-0.5 parts of manganese sulfate and 0.2-0.5 parts of ammonium molybdate. According to the invention, the biogas slurry which is obtained by anaerobic fermentation of livestock and poultry excrement and crop straw through a methane tank, the nutrient composition required by the growth of the eggplant can be scientifically added to prepare the liquid fertilizer. The liquid fertilizer has the advantages of comprehensive nutrition, sufficient raw material source, low cost and safe environmental protection. The liquid fertilizer is diluted by using clear water, and is taken as an eggplant foliar fertilizer for spraying or a nutrient solution for soilless culture, and can obviously improve the growth property of the eggplant, the incidence of disease is reduced, and the output is increased to more than 14%. The liquid fertilizer solves the problems of difficult application, difficult transportation and environmental pollution due to secondary discharge.

The invention discloses internal and external heat combined coal destructive distillation equipment and a coal destructive distillation process thereof and aims to solve the problems that the heat value utilization rate is low and the coal gas quality is low in a conventional internal and external heat combined coal destructive distillation method. The equipment comprises an outer barrel, an inner barrel and a flue, wherein a preheating area, a destructive distillation area I and a destructive distillation area II are sequentially formed along the feeding direction; a combustion cylinder is arranged in the inner barrel in the area II; a feeding hole of the combustion cylinder is communicated with the inner barrel in the area II through a local returning spiral, and a discharge opening of the combustion cylinder is communicated with the returning spiral which is arranged on the inner barrel in the area I; raw materials in the coal destructive distillation process are preheated and are mixed with thermal semicoke in the returning spiral; after the mixture passes through the inner barrel in the area I and the area II, one part of the mixture is output to serve as a semicoke product, and other part of the mixture is heated in the combustion cylinder and enters the returning spiral to serve as a heat carrier; the flue gas generated in the combustion cylinder serves as the heat carrier and is discharged through the flue in the process, and the coal gas is not contacted, so that the quality of the coal gas is guaranteed; meanwhile, the heat generated by direct heating in the area II is continuously used for heating and performing destructive distillation on the coal, and the heat utilization rate can be improved.

The invention provides a method for preparing lyophiled mango powder. The method is characterized in that fresh mature mangoes are subjected to fruit selection and washing, sterilization, hull and pit removal, pulping and quick freezing for 2 to 3 hours at a temperature between 18 DEG C below zero and 38 DEG C blow zero, placed into a vacuum tank for vacuum drying for 18 to 22 hours after quick freezing at a vacuum degree of between 0 and 70 Pa at a temperature no more than 50 DEG C, crushed into powder after vacuum drying, sealed and packaged. The mango powder produced by the method maintains the original color, smell, taste and nutrients of the mangoes, has good rehydration and can be eaten conveniently. Due to high dehydration rate, the lyophiled mango powder requires no preservative and can be stored for more than 5 years at normal temperature.

The invention discloses a skid-mounted supercharging and hydrogenation unit which comprises a frame and further comprises an instrument air system, an air unloading pipe, supercharging equipment, a closed type cooling water system, refilling equipment, a control system and ventilation equipment which are integrated to the frame. According to the skid-mounted supercharging and hydrogenation unit, the other structures except for a storage device are all integrated to the frame, and therefore the skid-mounted supercharging and hydrogenation unit at least has the beneficial effects that all equipment of a hydrogen refueling station can be highly integrated, and the problems that transportation is difficult, the occupied area is large, and the station building period is long are solved; and highly integration of functions and control of the skid-mounted hydrogen refueling station meets the market diversification requirement, and market promotion of hydrogen energy equipment is facilitated.

The invention discloses a clean fracturing fluid which comprises crude rubber fluid, viscosity accelerant and gel breaker, the crude rubber fluid comprises the following materials by mass percent: 0.1%-0.5% of hydrophobic association polyacrylamide, 0.05%-0.2% of organic acid, 0.1%-0.8% of clay stabilizer and the balance of water; the viscosity accelerant comprises the following materials according to mass percent: 0.05%-0.4% of alkyl amine oxide, 0.1%-0.5% of Gemini surfactant, 0.1%-1.0% of alkyl lower alcohol, 0.05%-0.4% of pH regulator, and the balance of water; the volume ratio of the crude rubber fluid to the viscosity accelerant is 100:(5-10), and the mass of the gel breaker is 0.005%-0.05% that of the clean fracturing fluid. The invention further provides a preparation method of the clean fracturing fluid. The long-term technical problems of high cost and poor temperature resistance performance of the clean fracturing fluid are solved.

The invention discloses a modular cast-in-place construction method for a large-diameter root foundation, which is characterized by comprises the following steps of: firstly, constructing a pile formation hole at the position of a set root foundation by a drilling machine; sectionally manufacturing each section of FRP (Fiber Reinforce Plastic) combination structure, sequentially placing each section of FRP combination structure into the pile formation hole, welding adjacent sections of FRP combination structures by reinforcing bars or connecting adjacent sections of FRP combination structures by direct screw thread sleeves, winding FRP on the peripheries of the junctions to form a hollow pile cylinder, forming a pile cylinder concrete inner wall in the hollow pile cylinder, and pouring pile cylinder bottom plate concrete to carry out bottom sealing so as to form a ring-shaped cylinder with the sealed bottom; ejecting a root key into each root key steel bushing; and finally pouring lining concrete on the periphery of the pile cylinder concrete inner wall and pouring a top cover after the strength of the lining concrete is met so as to form a foundation platform. Due to the adoption of the modular cast-in-place construction method for the large-diameter root foundation, the construction can be effectively and conveniently carried out and the construction efficiency is improved.

The embodiment of the invention discloses a rotary table main body structure and a crane provided with the same. The rotary table main body structure comprises a first assembly and a second assembly, wherein the first assembly is connected with the second assembly through a detachable connection structure; the rotary table main body structure has a length direction, a width direction and a thickness direction; and the first assembly and the second assembly are locked together by the detachable connection structure at least in the width direction of the rotary table main body structure. The crane comprises the rotary table main body structure provided by the invention, wherein at least one of a suspension arm, a swing mechanism, a winding mechanism, a power system, a hydraulic system and a swing platform of a cab is arranged on the rotary table main body structure. The rotary table main body structure disclosed by the invention can be used for overcoming the limitation, caused by the transportation clearance, on the width size of the rotary table main body structure, and can be used for solving the technical problem that the space requirements of the assembly and the maintenance of parts can not be met due to the limitation, caused by the transportation clearance, on the width size of the rotary table main body structure in the prior art.

The invention discloses a high-strength non-evaporating brick and a preparation method thereof, belonging to the technical field of building materials. The non-evaporating brick comprises the following components in percentage by weight: 30-45 unground grain slag, 30-45 heavy slag, 10-20 fly ash, 2-5 industrial by-product gypsum, 1-5 activity excitant and 5-14 water. The preparation method of thehigh-strength non-evaporating brick is simple, has low production cost and produces non-evaporating bricks with strong frost-resistant performance, low drying shrinkage value and high strength over MU15.

The invention discloses a single-track transportation system with a buffer function. The system comprises a single track and a transportation machine arranged on the single track, the transportation machine includes a head traction part and a truck body part; the head traction part includes a rack, driving wheels, an engine, a reduction gearbox, a brake mechanism and a shifting mechanism, whereinthe driving wheels are arranged at the lower portion of the rack, and the engine, the reduction gearbox, the brake mechanism and the shifting mechanism are arranged on the rack; the truck body part comprises a truck hopper and anti-shaking walking mechanisms arranged below the truck hopper, wherein each anti-shaking walking mechanism comprises a first bearing wheel, a second bearing wheel, a firstanti-overturning wheel, a second anti-overturning wheel, a fixing frame, a first rotating arm, a second rotating arm and an elastic buffer mechanism, the first bearing wheels and the second bearing wheels are arranged on the single track, the first anti-overturning wheels and the second anti-overturning wheels are arranged below the single track, and the elastic buffer mechanisms are arranged between the first rotating arms and the second rotating arms; the single-track transportation system has the advantages of being stable during transportation and good in damping performance, and therefore collision damage to fruits during transportation can be greatly reduced.

The present invention relates to a low-temperature shearing rheopectic die-casting process. It is characterized by that said process includes the following steps: (1), making alloy melt be passed through feeding device and be fed into turning conveying pipe, and adopting conveying pipe with low rotating speed to control cooling and implement splat cooling of molten metal and stirring of primary stage of coagulation; (2), making the melt with lots of crystal nucleus be flowed into a crystallization furnace, utilizing slurry microstructure on-line detection technique to control and detect growth form of nascent phase and solid-phase rate of slurry; and (3), making the slurry be injected into pressure chamber of die-casting machine to make directly-forming.

The invention belongs to the technical field of transportation equipment used in mines, which in particular relates to a rubber wheel transporter used for crossheading and solving the problem of backward methods and techniques of crossheading transportations under coal mine wells in the prior art. The rubber wheel transporter used for crossheading comprises a whole welded type frame, a cab, an engine device, a transmission system, and a hydraulic system. The hydraulic system comprises a main loop, a control loop, and an auxiliary loop. The main loop of the hydraulic system is a closed loop which is composed of a variable hydraulic pump and a hydraulic motor. The rubber wheel transporter used for crossheading is characterized in that bidirectional cabs are arranged at two sides of the front side and the rear side of the transporter; three driver wheels are respectively arranged at two sides of the frame; 6*6 all wheel drive is adopted. The rubber wheel transporter used for crossheading has the advantages of solving the transportation difficulty of materials in the crossheading and small scale equipment in mines in China for a long time, reducing the labor intensity of workers and greatly improving the working efficiency.

The invention discloses a novel structure of a high-voltage superconducting current limiter, comprising a superconducting current limiter system and an oil tank unit, wherein the superconducting current limiter system comprises an iron core winding, a refrigerating system, a DC control loop and a monitoring system, wherein the iron core winding comprises a single-phase or three-phase iron core, an AC winding and a DC exciting winding; the oil tank unit provides insulation for a superconducting current limiter AC winding; and only the AC winding is arranged in the oil tank unit. The novel structure of the high-voltage superconducting current limiter solves the problems of overlarge temperature difference between the AC winding and the DC exciting winding and difficult line outgoing of the DC exciting winding by taking a measure of only placing the AC winding into an oil tank, can be flexibly applied to a single-phase or three-phase saturated iron core type superconducting fault currentlimiter and has the advantages of compact structure, small size and resource saving.

The invention discloses a tunnel digging-out supporting structure and a construction method thereof. The supporting structure includes upper steps and lower steps. The upper steps and the lower stepsare arranged on the entrance of a tunnel, a connecting slope is connected between the upper steps and the lower steps, small pilot tunnels are formed in the upper steps, the supporting structure further includes a temporary support, an advanced support, a system anchor rod, a foot-locking anchor rod and a preliminary support, the temporary support is arranged around the small pilot tunnels, the advanced support, the system anchor rod, the foot-locking anchor rod and the preliminary support are used for reinforcing surrounding rock around the tunnel, the supporting structure and also includes alarge pipe shed guiding wall and a large pipe shed, and after the small pilot tunnels are dug out, the small pilot tunnels are out, the large pipe shed guiding wall and the large pipe shed are constructed from outside to inside in the entrance of the tunnel; according to the construction method, benching stepping method is adopted to construct adjacent entrance sections; the advanced small pilottunnels are excavated on one side of the upper steps, the advanced support, the system anchor rod, the foot-locking anchor rod, the preliminary support and the temporary support are constructed, and the small pilot tunnels pass through to the entrance of the tunnel; the large pipe shed wall is constructed, holes are drilled in the large pipe shed wall, and the large pipe shed advanced support is provided; and the small pilot tunnels on the other side of the upper steps of the support are excavated from the holes to the entrance, the temporary support of the small pilot tunnels is dismantled, the lower steps of the support are excavated to the entrance.

The invention relates to a multi-support point bridge rotation system and a method for performing bridge rotation construction with the same. The system comprises a lower bearing platform structure and a rotary table, a circular track is arranged on the lower bearing platform structure, multiple rolling carts are arranged on the circular track in a walking manner, each rolling cart comprises a bogie frame, a walking mechanism and support pillars arranged on the bogie frame, the support pillars support the rotary table commonly and are respectively connected with the corresponding bogie framesthrough hydraulic jacks, and loads borne by the corresponding support pillars are controlled through the hydraulic jacks. The rotary table above and a bridge to rotate are commonly supported through multiple support points, upper loads can be transferred to the support points uniformly, the support structure is stable and reliable, compressing the transverse dimensions of piers is not needed, andstructural stress and stability after completion of the bridge are improved; the loads borne by the support pillars can be adjusted through the jacks and are evenly borne by the support points, complex load variation during the rotation of the bridge is self-adaptive, and the anti-overturning capability during the rotation construction is improved.

A converter cabinet disclosed by the present invention at least comprises three sub-cabinets, each sub-cabinet comprises a cabinet body, and a first DC bus capacitor module, a rectifier power module, a second DC bus capacitor module and an inverter power module are at least arranged inside the cabinet body. The first and second DC bus capacitor modules are arranged horizontally and parallelly and are electrically connected via a conductor, the rectifier power module is located at the lower part of the first DC bus capacitor module, and a lower incoming line of the rectifier power module is connected with the first DC bus capacitor module via a conductor. The inverter power module is located at the lower part of the second DC bus capacitor module, a lower incoming line of the inverter power module is connected with the second DC bus capacitor module via a conductor, and the structures of the sub-cabinets are same and independent to form one phase.

The invention discloses an extensible open type active phased-array antenna array plane. The invention relates to the technical field of active phased-array antenna array planes. The extensible open type active phased-array antenna array plane specifically comprises a box body, the top of the box body is fixedly connected with sub-array planes, the surfaces of the sub-array planes are provided with conductive pressing strips, the side surface of the box body is provided with an air inlet, the top of the box body is provided with air outlets at positions corresponding to the sub-array planes, and the box body is internally provided with a primary comprehensive network and a primary inflation network. An array plane structure adopts a building block type design method, the array plane is divided into a plurality of identical sub-array planes through reasonable structural layout and module division, the sub-array planes can be expanded transversely and longitudinally to form a large antenna array plane, and the expansion number of the sub-array planes can be determined according to actual use requirements. The conductive pressing strips are arranged among the sub-array planes so as toensure the electrical continuity of the reflection plane of the whole array plane radiation unit. Each sub-array plane can be debugged, transported and operated independently, and the problems that alarge radar antenna array plane is difficult to transport and install and long in debugging period are solved.

The invention discloses a truss-structured tower which is used for wind power generation, and belongs to horizontal-axis wind turbine generators. The truss-structured tower comprises a tower root connected with a foundation, a tower top connected with a cabin, and a lifting device for lifting personnel and equipment. The truss-structured tower is characterized in that a truss structure is composed of rod pieces which comprise a thick vertical rod, and the lifting device is arranged in the thick vertical rod. The truss-structured tower solves the problem that a conventional truss-structured tower has the safety problem of climbing a high tower in the open; and meanwhile, the truss-structured tower has the advantages of light weight, small wind resistance and low tower shadow effect, is detachable in transportation and is convenient for adopting downwind wind wheels, so that the generating cost can be reduced.

The invention relates to a lifting device for goods, belonging to the technical field of lifting device. The goods hoister special for building comprises a supporting column 3, the upper end and the lower end of the supporting column 3 are respectively provided with an upper fixing device 1 and a lower fixing device 2, a bearing arm 5 is sleeved outside the supporting column 3, a hoist device 4 which is used to lift goods is fixed on one end of the bearing arm 5, a carrying disk 6 which is used to carry goods is arranged on the hoist device. The goods hoister special for building has the advantages of solving the drawback existing in the prior art, convenience, saving time, saving labor when carrying goods to high-storey building, realizing the quick transportation.

The invention discloses an underwater pouring root type foundation with a retaining wall and a construction method thereof. The underwater pouring root type foundation with the retaining wall is characterized in that a retaining wall layer formed by pouring underwater quick set materials is arranged between a cast-in-place reinforcing concrete tubular column and the pore-forming inner wall, the side wall of the concrete tubular column is provided with root keys in the radial direction of the tubular column, the bottom of the concrete tubular column is provided with a concrete back cover, and a top cover is arranged on the top of the concrete tubular column in a pouring mode so that the underwater pouring root type foundation with the retaining wall can be formed. The underwater pouring root type foundation can be effectively applied to civil engineering, bridge buildings and water conservancy project structures, and the construction efficiency is improved.

The invention relates to a field mounting method for a test chamber. The field mounting method comprises the following steps: requiring boards; blanking the boards; carrying out edge planning on the boards; welding and joining the boards; rolling the boards into a winding drum; longitudinally welding the winding drum to form drum sections; carrying out roundness correction on the drum sections; carrying out gas cutting on the drum sections; fitting up and welding the drum sections; cutting the drum sections into parts; carrying out field welding on the parts; and carrying assembly welding on an enclosure and the drum sections. The field mounting method solves the problem that a large container is difficult to transport, guarantees the field mounting coaxiality, adopts split transportation and field welding, utilizes a tool to support welding, and guarantees that the roundness of a drum body reaches standard requirements.

The invention discloses a seed introduction method of submerged plant vallisneria, which comprises the steps of collecting ripening fruits of the vallisneria, removing epicarp, obtaining seeds, washing the seeds with clean water within 0-24h to keep the seeds moist, transporting the collected seeds to a destination by a water-culture method, mixing the seeds transported to the destination with moist river sand, refrigerating the seeds at 0-10 DEG C, preserving the seeds by shading above 95% till complete darkness, ventilating and replenishing water frequently, maintaining a moisture content of each seed to be 35-50%, sowing the preserved seeds in a mixed matrix, a soil matrix or a yellow clay matrix, controlling a temperature to be 10-30 DEG C, the illumination intensity to be 800-3500LUX, and the everyday illumination time to be 10-12h, allowing the seeds to germinate and grow, obtaining germinated seedlings, planting the germinated seedlings in the mixed matrix with a 10-15cm water level for culturing, managing other conditions according to a convention, planting the vallisneria, and allowing the vallisneria to grow. The mixed matrix comprises the following components by total mass fraction: 20-40% of sand and 60-80% of soil. The seed introduction method is long in seed preservation time, high in germination rate, and high in emergence rate and planting survival rate.

The invention discloses a mobile steel refuge chamber. A simple chamber is dug nearby a working face where miners work for long time, the mobile steel refuge chamber is arranged in the simple chamber, and a chemical filling agent for full closing is integrally filled between the simple chamber and the mobile steel refuge chamber; the mobile steel refuge chamber is supplied with power by adopting a special cable and supplied with wind by adopting special compressed air; and a master power supply is controlled by adopting a gas power cut-off instrument at the interior, so that common civil electric appliances work safely. The mobile steel refuge chamber combines the advantages of a rescue capsule and the refuge chamber, and solves the problems of difficulty in underground transportation andreasonable arrangement, poor integral sealing property, low waterproof performance, low impact resistance, few daily functions and the like in the conventional rescue capsule. The decomposed small mobile steel refuge chamber is convenient for underground transportation and quick in installation, and is reasonably arranged at the site for naturally resisting flood hazards and explosion; and the steel refuge chamber has a working environment independent from a mine environment, provides ideal underground conditions for daily detection, monitoring and management, and meanwhile, builds a platformfor realizing digitalized mines.

The invention provides passive garbage classification and recycling equipment. The passive garbage classification and recycling equipment comprises a passive classification module, a recyclable garbage module and an intelligent measurement and control system. The intelligent measurement and control system is used for opening a passive classification throwing inlet and starting a net-shaped structure after detecting that target garbage carrying special two-dimensional codes exists in garbage screened by a screening mechanism, so that the target garbage is thrown and placed on a conveying belt to be conveyed, and liquid in the target garbage flows into a liquid collecting mechanism through the net-shaped structure on the conveying belt. The intelligent measurement and control system is further used for controlling a target steering engine corresponding to the garbage type to operate after a visual recognition sensor successfully recognizes the garbage type so as to drive a shifting plateto move to be transversely arranged on the conveying belt, drive the target garbage to move to a corresponding classification guide plate along the track of the shifting plate and finally guide the target garbage to a corresponding garbage storage chamber through the classification guide plate. According to the scheme, the efficiency and effectiveness of garbage classification and recycling treatment can be improved, and intelligent classification is achieved.