32results about How to "Solve the problem of long-distance transportation" patented technology

The invention discloses a logistics delivery system which comprises an intelligent logistics box, a data docking station, a mobile control terminal and a management platform. The invention further discloses a logistics delivery method based on the system. The intelligent logistics box can be repeatedly used, so that the logistics packaging cost is greatly saved. The intelligent logistics box storing logistics information and position information is in real-time communication with the management platform so that the state of the whole process of logistics can be monitored. The intelligent logistics box and the data docking station can be combined to prevent errors caused during delivery, and the delivery efficiency is improved. The logistics box can also be made to be in a standard form, and universality is improved. A refrigerating device is additionally arranged on the logistics box so that the logistics box can also be suitable for fresh products liable to deteriorate, the purpose of remote transportation of the fresh products is achieved, and meanwhile the transportation cost of the fresh products is reduced.

The invention discloses an air-flow type deep-plowing and deep-fertilizing system. The system comprises a plowing and fertilizing gun inserted into soil and an air-flow type particle fertilizer supply device for conveying the particle fertilizer to a fertilizer inlet of the plowing and fertilizing gun, wherein the air-flow type particle fertilizer supply device comprises an air compressor and a primary material conveying pipe which is connected with an air outlet of the air compressor; the primary material conveying pipe is provided with a material feeder which absorbs materials through a Venturi structure. The system can solve the problems of deep-plowing and deep-fertilizing soil and movably conveying the particle fertilizer for a long distance, and can be suitable for scaled cultivation of a plain and also suitable for scattered parcels such as mountainous areas and hills. The particle fertilizer conveying system is convenient to move, the soil is not compressed, and the conveying amount is large. The deep-plowing and deep-fertilizing system is not high in power requirement, small in volume, light in weight, flexible to move and little in soil compression, can relatively effectively mix the fertilizer particles with soil, and has little damage on growing root systems of plants.

The invention relates to a disintegrating transportation method of a transformer, which is applied to a high-capacity transformer transported in a disintegrating manner. The disintegrating transportation method comprises the following steps of: splitting a disintegrated transformer according to the structure of the transformer, so that the dimension and the weight of every split part can meet the requirement of transportation; respectively fixing every split part in a respective transporting box; splitting the disintegrated transformer: disintegrating a main body and other parts, wherein every core pillar of the main body is disintegrated to be two semicircles to form a frame-type disintegrating structure shape of 'side yoke-core pillar', 'core pillar-core pillar' and 'core pillar-side yoke'; and manufacture a plurality of independent transporting boxes for transportation and calculating the weight of every transporting box after loading. The disintegrating transportation method of the transformer, provided in the invention, can transport the transform in the disintegrating manner and reduce the weight of single transported part, so that the difficulty of remote transportation of the high-capacity transformer is effectively solved.

The invention discloses a method for constructing a concrete structure of a subway contact passage through a ground pouring and freezing method. The method for constructing the concrete structure of the subway contact passage comprises the following steps that (1) drilling is conducted from the ground above the contact passage toward the interior of the contact passage; (2) concrete sliding tubesare placed downwards in drilled drill holes in the step (1); (3) after a frozen wall meets the excavation condition of the contact passage, earth excavation of the contact passage is conducted in a subway tunnel, and protective treatment is conducted on the concrete sliding tubes after the concrete sliding tubes are dug out; and (4) the concrete structure of a bottom plate (5) of the contact passage is poured by utilizing the concrete sliding tube located in the center of the contact passage, and the side wall concrete structure and the arch crown concrete structure concrete structure are poured by utilizing the concrete sliding tubes located in the flare opening position. According to the method for constructing the concrete structure of the subway contact passage through the ground pouring and freezing method, compact pouring of concrete on an arch crown of the contact passage can be achieved, opening or holes in the concrete on the arch crown of the contact passage can be effectively prevented, it is effectively ensured that the thickness of the concrete structure of the contact passage meets the design requirement, and hidden dangers caused by the quality of the concrete structure of the contact passage are eliminated.

The invention provides a slurry preparation method of a novel ultra-fine coal water slurry, comprising the preparation steps of a. crushing the raw coal till the granularity is less than 0.5mm, b. carrying out a first floating selection disposal to the crushed raw coal powder, c. wet grinning the approved coal grains in the first floating selection in a ball grinding machine by adding water, d. carrying out a secondary fine floating selection disposal of the coal water slurry after the wet grinding, e. grinding the coal slurry which has been disposed by the fine floating selection with sands so as to gain the ultra-fine coal slurry with the granularity less than 5 Mum, f. carrying out the swirling flow selection of the ultra-fine coal slurry with the granularity less than 5 micron meters, and further carrying out desulfurization and ash removal by utilizing the centrifugal separation principle, carrying out a vacuum pressing filtration disposal to the ultra-fine coal water slurry so as to form a solid coal water slurry. The slurry preparation method of the novel ultra-fine coal water slurry can reduce a plurality of electricity consumption, gains ultra-fine coal water slurry with ultra-low ash and low sulphur, and meets the requirement of the replacement of fuel with the coal water slurry.

The invention discloses a mining method with mining-dressing and filling treatment, which includes design of main gangue sources for a little gangue working face, and gangue-reducing measures; ganguesorting system arrangement and equipment, and sorting process; filling-cooperated caving-type coal efficient stoping system arrangement and equipment, and production process; environmental influence pretreatment and pre-control measures before and after gangue filling; design principle and steps of the mining method with 'mining-dressing and filling treatment'. The method herein helps solve the long-range conveying problem of gangue, reduce underground gangue lifting cost, reduce mine auxiliary lifting and surface coal washery burden, effectively treat coal gangue to reduce surface piling areaof coal gangue, reduce mine ecological environment damage, protect the ecological environment; gangue filling and coal efficient stoping face has high unit production under high unit efficiency, therequirements of modern mines for production capacity can be met, and the method herein has a good application prospect.

The invention discloses a system device for preparing coal water slurry by long-distance pipeline coal transportation. Raw material coal from a coal storage storehouse is firstly transported to a crushing workshop by a reshipment belt, is crushed to be less than 6mm by a crushing machine, and is transported to a storehouse matching scratch board by a tail coal belt to enter into a cushion storehouse before grinding; the coal in the cushion storehouse before grinding is transported to a coal grinding machine by a quantitative coal feeder to be ground in a water adding way, prescreened, and transported into a safety sieve to be classified in an examining way after being ground into slurry, wherein the oversize product of the coal is transported into a slurry returning tank, the slurry in the slurry returning tank is transported back to the coal grinding machine to be ground by a slurry returning tank pump, and the screen underflow of the coal enters into a coal slurry cushioning tank to be transported to a slurry storing tank to be stored by a coal slurry cushioning tank pump; and an inlet end of the coal grinding machine is communicated with a water feed metering pump, and the slurry storing tank is provided with a stirring device. The system device is simple in technology, high in automaticity, and stable in the slurry, the slurry can be obtained by grinding and screening the raw material coal and the water in proportion under the normal-temperature condition, the slurry can realize the long-distance pipeline transportation, and the water is easy to remove. The system device can be widely used for the pipeline transportation slurry industry.

The invention discloses a rapid large aircraft take-off and landing platform based on a truck, which is structurally characterized by comprising a large truck, multiple sets of switch hydraulic oil cylinders, multiple sets of supporting hydraulic oil cylinders, a large diesel generator and a console. After the large truck carriage is refitted, the upper carriage can be opened outwards in the middle along with the carriages on the two sides in a rotating mode. The carriages on the two sides slowly rotate downwards to be parallel to the bottom surfaces of the carriages under the action of multiple sets of switch hydraulic oil cylinders; the upper carriage rotates to be parallel to the bottom carriage under the action of gravity and the carriage limiting baffles on the two sides; after all the carriages are unfolded, the supporting hydraulic oil cylinders hung on the carriages on the two sides can be opened to support the ground; at the moment, the rapid large aircraft take-off and landing platform based on the truck is successfully unfolded, the aircraft can take off or land, the platform can be applied to complex zones such as the field and uneven ground where the large aircraft cannot take off or land, the aircraft can be ensured to complete tasks in time and return to flight safely, the take-off and landing problems of the large aircraft are solved, and the long-distance transportation problem of the large aircraft is also solved.

The invention discloses a preparing method of okra tea. The preparation method comprises the following steps: picking ripe okra, cleaning, then carrying out disinfection sterilization treatment, slicing into thin slices, drying until the moisture content is less than 1% by weight, stir-frying alone or together with one or more of barley, rice and glutinous rice, and stir-frying until the okra is slightly yellow. The method enables the okra to be preserved for a long time and be convenient to carry, has efficacies preserved intactly, is in favor of deep development of the okra, and solves the problem of long distance transport.

The invention discloses an air spray explosion type soil deep scarification and deep fertilization device. The air spray explosion type soil deep scarification and deep fertilization device comprises a compressed air generation device, an airflow spray explosion and energy storage device and a scarification and fertilization gun; the airflow spray explosion and energy storage device is communicated with the compressed air generation device in an on / off manner, is used for storing compressed air and can spray and explode in a high pressure to generate spraying airflow; the scarification and fertilization gun is communicated with the airflow spray explosion and energy storage device and is inserted into the underground to guide the high-pressure spraying airflow into the soil; the air spray explosion type soil deep scarification and deep fertilization device further comprises a fertilizer pumping and transporting device; the fertilizer pumping and transporting device is communicated with the scarification and fertilization gun in the on / off manner, and the spraying airflow entering in the scarification and fertilization gun generates negative pressure for the fertilizer to absorb the fertilizer when the fertilizer pumping and transporting device is communicated with the scarification and fertilization gun. The air spray explosion type soil deep scarification and deep fertilization device solves the problems of deep scarification and deep fertilization of the oil and long-distance transportation of powdery fertilizer, is suitable for large-scale cultivation of plains, and is also suitable for dispersed plots such as mountainous areas and hills; furthermore, the powdery fertilizer conveying system is convenient to move; soil compaction is avoided; big transportation amount is achieved; the deep scarification system has low requirement on power, is small in volume, light in weight and low compaction for soil, and can enable fertilizer powder to be mixed with soil efficiently.

The invention discloses a coal mine underground solid-liquid separation and purification device, and relates to the field of coal mine underground coal-water mixture separation. The device comprises a collecting pipeline, a diffuser, a settling tank and a driving mechanism, one end of the collecting pipeline is communicated with a mixture source, the other end of the collecting pipeline is connected with the diffuser, the diffuser is of a box structure, and turbulent flow plates are arranged on the middle and lower end faces of a box respectively; an overflow water tank is arranged on the side surface of the settling tank, and a drainage pipe is arranged at the lower part of the overflow water tank; and a discharging mechanism is arranged in the settling tank and is connected with a driving mechanism, and the driving mechanism is connected with a control mechanism. The device is suitable for environments such as underground coal mines and mines with sewage, is convenient to use and reliable in performance, meets the production requirements of the coal mines, replaces heavy manual labor with machinery, collects a coal-water mixture, separates and removes solid particles, and achieves the purposes of reducing manpower, improving efficiency and achieving safe production.

The invention relates to the field of vegetative propagation of plants, provides a plant cutting wood preservation method for an approximate seedbed according to the idea of simulating ecological conditions of a plant cutting seedbed, and particularly relates to a preservation method of the activity of lithocarpus polysachyus rehd cutting woods. The preservation method comprises the following steps of (1) preparing preservation mud, and cutting the lithocarpus polysachyus rehd cutting woods; (2) binding the lithocarpus polysachyus rehd cutting woods into a bundle according to the morphological requirements that the upper and lower ends are consistent and the lower ends are tidy; and (3) plugging the bundled lithocarpus polysachyus rehd cutting woods into the preservation mud through the morphological lower ends, preserving the moisture, and placing at a shady place for preservation, wherein the preservation mud is prepared from a rooting powder solution and clay. The cutting survival rate of the lithocarpus polysachyus rehd cutting woods which are preserved based on the preservation method disclosed by the invention for 24 hours or longer can reach 90 percent or above, but the cutting survival rate of the lithocarpus polysachyus rehd cutting woods which are preserved based on a conventional method for 2 hours is less than 60 percent.

The invention provides a slurry preparation method of a novel ultra-fine coal water slurry, comprising the preparation steps of a. crushing the raw coal till the granularity is less than 0.5mm, b. carrying out a first floating selection disposal to the crushed raw coal powder, c. wet grinning the approved coal grains in the first floating selection in a ball grinding machine by adding water, d. carrying out a secondary fine floating selection disposal of the coal water slurry after the wet grinding, e. grinding the coal slurry which has been disposed by the fine floating selection with sands so as to gain the ultra-fine coal slurry with the granularity less than 5 Mum, f. carrying out the swirling flow selection of the ultra-fine coal slurry with the granularity less than 5 micron meters,and further carrying out desulfurization and ash removal by utilizing the centrifugal separation principle, carrying out a vacuum pressing filtration disposal to the ultra-fine coal water slurry so as to form a solid coal water slurry. The slurry preparation method of the novel ultra-fine coal water slurry can reduce a plurality of electricity consumption, gains ultra-fine coal water slurry with ultra-low ash and low sulphur, and meets the requirement of the replacement of fuel with the coal water slurry.

The invention belongs to the technical field of asexual reproduction, and discloses a method for preserving the vitality of ancient poplar cuttings in the field, comprising: cutting the cuttings of ancient poplars with full lateral buds in the field; Bundled into bundles; bundled ancient poplar cuttings are wrapped in moist cotton gauze during daytime transportation, sprayed with water to moisturize from time to time according to needs, and placed in a cool place; transported the next day, bundled into bundled ancient poplar cuttings at night Soak the lower end of the cuttings morphology in the mixed solution, take out the cuttings during daytime transportation, spray the cotton gauze until water droplets can be wrung out, completely wrap the cuttings, spray water from time to time according to the need, and keep the cotton gauze moist all the time. Try to put it in a cool place; the cuttings are transported to the nursery for cutting in time. The invention has the advantages of simple operation, simple and convenient process, reduced cost, prolongs the preservation time of ancient poplar cuttings, greatly improves the survival rate of ancient poplars, and brings great convenience to the work of cutting seedlings of ancient poplars.

The invention relates to a method for refreshing and transporting fresh flowers and especially relates to a method for refreshing and transporting fresh golden camellia flowers. The method comprises the following steps: 1) immediately placing the picked fresh golden camellia flowers into 20*30cm food refreshing bags, wherein 15-20 fresh golden camellia flowers are put into each refreshing bag, putting 0.5-1g carbon dioxide into each refreshing bag, and meanwhile, injecting air into each refreshing bag and tightening the bag opening; 2) putting the refreshing bags filled with the fresh golden camellia flowers into a foam chamber, and after filling the foam chamber, putting a bag of 1-2g carbon dioxide into the full foam chamber, immediately covering the foam chamber and sealing the foam chamber with adhesive tapes; 3) casing the foam chamber and transporting. The method for refreshing and transporting fresh golden camellia flowers is simple, and is capable of maintaining complete flower shape of the fresh golden camellia flowers so as to greatly promote the appearance appreciation and quality of the fresh golden camellia flowers.

The invention provides a sustainable heating and heat preservation liquid sulfur tank container. The container comprises a container body frame, a tank body and a control bin are arranged inside the container body frame, a plurality of heating sleeves are arranged in the part, close to the lower end, inside the tank body, an opening is formed in the end, close to the control bin, of each heating sleeve, a generator set, an automatic controller and a heating device are arranged in the control bin, the heating device comprises a temperature controller and a plurality of electric heating rods, each electric heating rod is inserted into the corresponding heating sleeve and is sealed and fixed, three temperature sensors are arranged inside the tank body, a PLC control module and a remote monitoring module are arranged in the automatic controller, and each temperature sensor is electrically connected with the PLC control module through a wire. According to the sustainable heating and heat preservation liquid sulfur tank container, through the precise temperature control function and the intermittent heating mode in the transportation process, and the long-distance transportation reliability of liquid sulfur is effectively guaranteed.

The invention relates to the field of vegetative propagation of plants, provides a plant cutting wood preservation method for an approximate seedbed according to the idea of simulating ecological conditions of a plant cutting seedbed, and particularly relates to a preservation method of the activity of lithocarpus polysachyus rehd cutting woods. The preservation method comprises the following steps of (1) preparing preservation mud, and cutting the lithocarpus polysachyus rehd cutting woods; (2) binding the lithocarpus polysachyus rehd cutting woods into a bundle according to the morphological requirements that the upper and lower ends are consistent and the lower ends are tidy; and (3) plugging the bundled lithocarpus polysachyus rehd cutting woods into the preservation mud through the morphological lower ends, preserving the moisture, and placing at a shady place for preservation, wherein the preservation mud is prepared from a rooting powder solution and clay. The cutting survival rate of the lithocarpus polysachyus rehd cutting woods which are preserved based on the preservation method disclosed by the invention for 24 hours or longer can reach 90 percent or above, but the cutting survival rate of the lithocarpus polysachyus rehd cutting woods which are preserved based on a conventional method for 2 hours is less than 60 percent.

The invention discloses a component feeding and discharging device and a method thereof. The component feeding and discharging device comprises a material loading vehicle and a mechanical arm. The material loading vehicle is provided with a plurality of layers of cargo frames. Each cargo frame comprises a frame, an installing clamping plate installed in the frame and used for fixing components, upper clamping connecting assemblies arranged at the four corners of the upper end of the frame and lower clamping connecting assemblies arranged at the four corners of the lower end of the frame. The adjacent cargo frames are mutually fixed through matching of the upper clamping connecting assemblies and the lower clamping connecting assemblies. The mechanical arm is provided with a clamping mechanism used for clamping the components or cargo frames. According to the component feeding and discharging device, component feeding and discharging are completed through the material loading vehicle and the mechanical arm, long-distance transportation of the large amount of components is completed through the multiple layers of cargo frames on the material loading vehicle, and a fixing device fixes the material loading vehicle so as to ensure that a feeding process of the components is conducted smoothly; and by means of the component feeding and discharging device, the feeding and discharging processes of the components can be efficiently completed, the working efficiency is improved, and the problem that components of large number and heavy weight need to be transported in the long distance is solved.

The invention relates to a garbage horizontal long-distance pushing device capable of automatic cleaning in the whole process, which includes a garbage receiving pipe, on which a garbage inlet and a cleaning robot are arranged, and also includes a multi-stage pusher and an ejector, an outlet of the garbage receiving pipe and a first-stage pusher The inlet is connected, and the outlet of the last stage pusher is connected with the inlet of the ejector. Each stage of pusher and ejector includes a shell and a folding push mechanism. There is a slider on the rail, the slider is connected with the suspended mobile device, and the first driver is arranged on it. The non-output shaft end of the first driver is connected with the middle part of the suspended mobile device through a rotating shaft, and the output shaft is connected to the transition through another rotating shaft. One end of the plate is connected, the other end of the transition plate is fixedly connected with one end of the folded plate, and one end of them is connected with the front end of the suspended mobile device through the other two rotating shafts, and the second driver is provided on the fixed beam of the slide rail. It can realize the whole process of automatic cleaning and is suitable for long-distance transportation.

The invention provides an exhaust air catalytic oxidation device utilizing supercritical CO2 solar heat collecting and storing for heating, and belongs to the technical field of solar light heat utilization and exhaust air gas heat utilization. According to the technical scheme, a supercritical CO2 solar heat collecting subsystem, a fuse salt heat storage / heat exchange subsystem, a gas source concentration monitoring filter subsystem, a catalytic oxidation subsystem, a high-temperature smoke power generation subsystem, a heat supply tail end subsystem, a condensate water recycling subsystem, asmoke discharging subsystem and a running monitoring subsystem are included. A tower type solar heat collector is utilized for collecting solar focus heat, the good heat transfer character and transmission performance of supercritical CO2 are utilized, the exhaust air is heated in combination with the fuse salt heat storage technology, gas energy waste can be reduced, the utilization rate in theexhaust air gas catalytic oxidation process is increased, and the high-temperature smoke heat-into-power conversion efficiency is improved.

The invention discloses a color printing packaging box. The color printing packaging box comprises an outer protection box, wherein a movable door is arranged at the front end of the outer protectionbox; an inner containing box is arranged on the inner side of the outer protection box; a containing groove is formed in the top end of the inner containing box; two sliding grooves are formed in theinner side of the containing groove; a telescopic pull rod is arranged in the two sliding grooves; two sealing rings are arranged at one end of the telescopic pull rod; an inflation ring is arranged between the bottom ends of the two sliding grooves; a positioning groove is formed in one end of the inner containing box; a rotary knob is arranged at the top end of the inner containing box; and twoejector rods are arranged at one end of the rotary knob. The packaging box is tightly closed, meanwhile, the air tightness of the packaging box is improved, a storage box is obliquely erected, displayof the internal industry is facilitated, the product taking and storing process is facilitated, and the function of maintaining the stable temperature in the packaging box is achieved.

The invention relates to a method and a device for preparing an in-situ sandy gravel anti-seepage material and constructing a water-stopping curtain. The method provided by the invention comprises the following steps: crushing and screening gravel-cobble and sand generated in the grooving process of the waterproof curtain by an aggregate preparation device, crushing the gravel-cobble into macadam and machine-made sand with different particle sizes, mixing the macadam and machine-made sand with natural sand, and pouring the mixture into a stirring device after the macadam, machine-made sand and natural sand are mixed by the aggregate preparation device; and then preparing an anti-seepage material with good performance, and conveying the anti-seepage material to a water stop curtain excavation groove section through a pumping device. The device provided by the invention comprises an aggregate preparation device, an aggregate preparation device, a stirring device, a pumping device and a filling device. The structure is simple, operation is convenient, practicability and reliability are achieved, the phenomenon that the ecological environment is destroyed due to the fact that river sand, gravel or pebbles and other raw materials are excavated is avoided, the ecological environment is protected, and meanwhile the performance, the construction efficiency and the water interception effect of the water interception curtain anti-seepage material are improved.

The invention discloses a magnetic suspension fluid conveying device. An open water tank serves as a throwing device of a columnar bag body, fluid serves as a power source of a whole pipeline conveying system, electrified annular solenoid coils symmetrically arranged on the outer wall of a pipeline at intervals generate a constant magnetic field, and a permanent magnet in the columnar bag body serves as a suspension device of the system. Due to the application of the device, the columnar bag body can suspend in the center of the pipeline all the time and can keep stable operation. The long-distance conveying circular pipeline is a guiding device of the system, and a magnetic suspension fluid conveying manner is formed. According to the device, high-speed migration of the columnar bag bodyin the pipeline is more stable and reliable, the height of a pipeline pressure water head at the starting end position is reduced, the operation energy consumption of a working system is reduced, theconveying range of material types is widened, and low-cost, high-efficiency and environment-friendly long-distance transportation of the columnar bag body in the pipeline is achieved.

The invention relates to a garbage horizontal long-distance pushing device capable of achieving automatic washing in the whole process. The garbage horizontal long-distance pushing device includes a garbage receiving pipe, the garbage receiving pipe is provided with a garbage inlet and a washing robot, the garbage horizontal long-distance pushing device further includes multiple stages of pushingdevices and a pusher, an outlet of the garbage receiving pipe is connected with an inlet of the first stage pushing device, and an outlet of the last stage pushing device is connected with an inlet ofthe pusher. Each stage pushing device and the pusher each includes a shell body and a folding and pushing mechanism. Each folding and pushing mechanism comprises a sliding rail fixing beam. The lowerportion of each sliding rail fixing beam is provided with a sliding rail. A sliding block is arranged on each sliding rail. Each sliding block is connected with a hanging movable device. Each slidingblock is provided with a first driver. The non-output-shaft end of each first driver is connected with the middle of the hanging movable device through a rotating shaft. One end of an output shaft isconnected with one end of a transition plate through another rotating shaft. The other end of the transition plate is fixedly connected with one end of a folding plate. The ends of connecting of theoutput shaft and the transition plate as well as the transition plate and the folding plate are connected with the front end of the hanging movable device through another two rotating shaft. Each sliding rail fixing beam is provided with a second driver. The garbage horizontal long-distance pushing device can realize of automatic washing in the whole process, and is suitable for long-distance transportation.

The invention provides a self-energy-supply expressway traffic and roadbed modulus monitoring system and a monitoring method. The system comprises a piezoelectric sensor, a weighing device, an auxiliary unit and a computer terminal; the piezoelectric sensor and the weighing device are buried in an expressway roadbed along an expressway; the auxiliary unit is arranged beside the expressway; the weighing device is used for monitoring the weight of an automobile; the piezoelectric sensor is used for monitoring the speed of the automobile; and finally, the modulus of the roadbed is inversely calculated through the weight and speed of the automobile and the voltage peak of the piezoelectric sensor, and the purpose of detecting the modulus of the expressway roadbed is achieved. The piezoelectricsensor has a mechanical-electrical coupling characteristic, collected vibration energy can be stored in an energy storage capacitor at the same time, and the energy storage capacitor can be used forproviding power for the weighing device and other parts. By means of the self-energy-supply expressway traffic and roadbed modulus monitoring system and the monitoring method, vibration generated by the automobile on the expressway is used, the weight and speed of the automobile and the modulus of the roadbed can be monitored at the same time in a self-power-supply manner, safety pre-warning is provided for the expressway, and construction of the Internet of Things of the expressway is promoted.

The invention relates to an intelligent relay power supply device, which includes a main control module and a boost compensation control unit, the boost compensation control unit includes an isolation transformer, an AC / DC module and a DC / AC module; the secondary side of the isolation transformer is used for connected in series to the main circuit of power transmission; the AC input terminal of the AC / DC module is used to connect to the main circuit of power transmission, and its DC output terminal is used to connect to the DC input terminal of the DC / AC module; the DC The AC output end of the / AC module is used to connect to the primary side of the isolation transformer; the main control module is suitable for controlling the AC output voltage of the DC / AC module. The technical solution of the invention solves the problem of long-distance transmission of low-voltage electricity, and can keep the low-voltage electricity basically stable at the rated voltage level during long-distance transmission. Reduced line power loss, energy saving and environmental protection.

The invention discloses a process device and a process method for recovering cold energy from LNG prepared from coke oven gas. The device comprises a dehydrogenation tower, an LNG reflux pump, a coaxial compression expander, a liquid separation tank and a heat exchanger, wherein the heat exchanger is sequentially connected with the dehydrogenation tower, the LNG reflux pump, the coaxial compression expander and the liquid separation tank; and a feed port at the top of the dehydrogenation tower is sequentially connected with the heat exchanger and the LNG reflux pump. The process device and the process method disclosed by the invention have the beneficial effects that hydrogen-rich gas cold energy recycling and expander refrigeration are adopted to recycle the cold energy from a device for LNG prepared from the coke oven gas; part of the cold energy is provided for LNG and a mixed refrigerant by use of low-temperature hydrogen-rich gas removed from the coke oven gas; and meanwhile, reheated hydrogen-rich gas enters the heat exchanger again by throttling expansion to provide the cold energy until the hydrogen-rich gas enters the coaxial compression expander at normal temperature. The process device is simple in flow; the corresponding heat exchanger is only additionally provided with two flow channels, and the simplicity in operation is realized, power consumption of a refrigerant compressor unit can be greatly saved; and the hydrogen-rich gas can be flexibly disposed according to the downstream demand.

The invention discloses a method for constructing a concrete structure of a subway contact passage through a ground pouring and freezing method. The method for constructing the concrete structure of the subway contact passage comprises the following steps that (1) drilling is conducted from the ground above the contact passage toward the interior of the contact passage; (2) concrete sliding tubesare placed downwards in drilled drill holes in the step (1); (3) after a frozen wall meets the excavation condition of the contact passage, earth excavation of the contact passage is conducted in a subway tunnel, and protective treatment is conducted on the concrete sliding tubes after the concrete sliding tubes are dug out; and (4) the concrete structure of a bottom plate (5) of the contact passage is poured by utilizing the concrete sliding tube located in the center of the contact passage, and the side wall concrete structure and the arch crown concrete structure concrete structure are poured by utilizing the concrete sliding tubes located in the flare opening position. According to the method for constructing the concrete structure of the subway contact passage through the ground pouring and freezing method, compact pouring of concrete on an arch crown of the contact passage can be achieved, opening or holes in the concrete on the arch crown of the contact passage can be effectively prevented, it is effectively ensured that the thickness of the concrete structure of the contact passage meets the design requirement, and hidden dangers caused by the quality of the concrete structure of the contact passage are eliminated.

The invention discloses a step-type self-flow separation layer grouting filling treatment gangue pulping and slurry conveying process, a pulping and slurry conveying process system comprises a screening and crushing station, an iron remover is mounted at the top of the screening and crushing station, a cross screen is arranged on the first layer below the iron remover, a crusher is arranged on the second layer below the cross screen, a scraper conveyor is arranged on the third layer below the crusher; self-flow, continuity, buffering, quantification, long-distance conveying and the like in the pulping process are achieved, the occupied area of a pulping station can be reduced, intermediate conveying links are reduced, the material conveying path is shortened, stable pulping is guaranteed, the long-distance conveying problem is solved, the pulping cost is reduced, and the applicability of the separation layer grouting technology in the gangue treatment field is improved, the coal gangue can be safely treated on a large scale, the problem of mine gangue treatment is solved, the method has important significance for realizing zero emission of gangue, ensuring normal production of a mine and realizing green mining, and meanwhile, the economic benefit of an enterprise can be greatly improved.