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209results about How to "Easy to bury" patented technology

Foundation and slope engineering model test platform

InactiveCN101086494ASoil conditions are controllableControllable groundwater levelFoundation testingMaterial analysisVacuum extractionPore water pressure
The invention relates to a testing platform with ground and slope engineering module. Long edge at one side of the main structure side steel plate has an instrument burying hole and data leading out hole, the other side having viewing window, bottom of the rectangular structural module slot rubble and sand cushion having water pipe supply net that connects with the water tank and vacuum extraction device, one side of the short edge of the main body structural side steel plate having discharge hole, two sides of the main structural beam post overpass the latched the reverse beam, whose lower end having hydraulic jack, ball hinges and bearing plate formed servo bearing system, displacement sensor, sand pressure sensor and gap water pressure connected to form the monitoring system. It can be deployed to prevent disasters.
Owner:ZHEJIANG UNIV

Metal gasket for cylinder head

A metal gasket for a cylinder head has two base plates each constructed from a metal plate and layered over each other, an auxiliary plate constructed from a metal plate and interposed between the base plates, and hard metal-plated layers. The base plates each have cylinder holes, annular beads, coolant holes, and an outer peripheral bead. The cylinder holes correspond with the bore of each cylinder. The annular beads have an angled cross-sectional shape. The coolant holes correspond with a coolant jacket of the cylinder block and with a coolant hole of the cylinder head. The outer peripheral bead has a cross-sectional shape sloping on one side and surrounds the beads and the coolant holes. Each of the layers is extended from a position more radially inward than an annular bead of a base plate to a position radially outward.
Owner:NIPPON LEAKLESS IND CO LTD +1

Filing layered sedimentation monitoring device and method

The invention discloses a filing layered sedimentation monitoring device and method. The monitoring device comprises a bottom sedimentation monitoring unit, a middle sedimentation monitoring unit and a ground surface sedimentation monitoring unit which are buried in a soil layer to be monitored from bottom to top and are vertically arranged. Burying holes are formed in the soil layer to be monitored. An anchoring head is arranged under the bottom sedimentation monitoring unit. The bottom sedimentation monitoring unit, the middle sedimentation monitoring unit and the ground surface sedimentation monitoring unit are all provided with inclinometer pipes, extensible pipes arranged on the outer sides of the inclinometer pipes in a sleeving mode and displacement sensors installed on the upper portions of the inner sides of the inclinometer pipes. The monitoring method comprises the steps that firstly, drilling of the burying holes is conducted; secondly, the bottom sedimentation monitoring unit is installed; thirdly, the middle sedimentation monitoring unit is installed; fourthly, the ground surface sedimentation monitoring unit is installed; and fifthly, layered sedimentation monitoring is conducted. The filing layered sedimentation monitoring device and method are reasonable in design, convenient and easy to operate, convenient to bury, high in measuring precision and capable of effectively solving the problems that existing layered sedimentation monitoring equipment is large in equipment burying workload and low in measuring precision.
Owner:CHINA JK INST OF ENG INVESTIGATION & DESIGN

Gravity flow type farmland underground leaching liquor collecting device

InactiveCN101246094AGuaranteed leaching conditionUnrestricted installation depthWithdrawing sample devicesEarth material testingWater dischargePhosphor
The present invention discloses a self-flowing farmland underground drenching solution collecting device which belongs to the field for researching the environment science, agrology and plant nutriology. The device of the invention comprises an eluviation disk, a water-discharging pipe, a liquid-collecting pipe, a breathing pipe, a liquid drawing pipe, a sampling bottle, a buffering bottle and a vacuum pump; the eluviation disk is used for collecting the drenching solution; the liquid-collecting pipe is connected to the water outlet of the eluviation disk through the water-discharging pipe, the drenching solution in the eluviation disc can automatically flow into the liquid collecting tube; and the vacuum pump is used for extracting the drenching solution collected by the liquid-collecting pipe to the sampling bottle through the liquid drawing pipe under the buffering of the buffering bottle. Comparing with the prior art the invention has the characters of reasonable structure, convenient manufacturing, easy actualizing and the like, and the invention is especially suitable for monitoring the influence of the soil solutes of nitrogen, phosphor, agriculture chemicals and the like to the groundwater.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI +4

Metro tunnel settlement deformation monitoring method based on distributed fiber sensing technology

The invention relates to a metro tunnel settlement deformation monitoring method based on a distributed fiber sensing technology. The method includes the following steps: (1) determining the relation between displacement value and bending moment distribution according to a displacement curve approximate differential equation; (2) determining a conversion relation between strain and settlement deformation according to a material dynamic conjugation beam method to find an explicit linear equation between the strain and the settlement deformation; (3) finally considering settlement of control points, distributing settlement of the control points to each monitoring point through equal weighted distribution to finally obtain the settlement value of each monitoring point. Compared with the prior art, the method has the advantages of being better in adaptability, reliable in calculation result and the like.
Owner:TONGJI UNIV

Miniature built-in cantilever beam type displacement gage used for geomechanics model experiment

The invention relates to a micro-built-in cantilever beam type displacement meter used for a geomechanics model test, and the micro-built-in cantilever beam type displacement meter comprises a spring leaf, a steel wire rope and a strain gauge, etc., the both ends of the steel wire rope are respectively connected with the upper end of the spring leaf and an internal measuring point of a model; and a regulating screw bolt is arranged on the upper end of the spring leaf. The lower end of the spring leaf is fixed on a thick steel bar, the strain gauge is arranged at the root which is near to the lower end of the spring leaf and is connected with a signal receiving and processing device by a signal line. The micro-built-in cantilever beam type displacement meter has the following advantages: (1) Small size and small occupying space. (2) High sensitivity. (3) Simple structure, convenient processing and low cost. (4) Adjustable property. (5) Being embedded in the model possibly. The displacement meter can be embedded in the model, and the measurement is carried out by leading out the signal line.
Owner:SHANDONG UNIV

Method for maintaining thermal stability of permafrost foundation and complete solar refrigeration device

The invention discloses a method for maintaining the thermal stability of a permafrost foundation, which adopts solar adsorption refrigeration technology comprising the following steps: a, determining the thickness of a seasonal active layer of the permafrost foundation; b, burying a high-thermal conductivity material; c, burying and installing the solar adsorption refrigeration device; and d, exchanging heat in the foundation into the air with the solar adsorption refrigeration device so as to reduce the temperature of the permafrost foundation and maintain the thermal steady state. The invention also discloses the solar adsorption refrigeration device for use in combination the method, which comprises a solar thermal collector and a foundation evaporator, wherein the foundation evaporator is buried underground; and the upper end of the foundation evaporator is connected with absorption and desorption gas ducts which are connected through each pipeline and are connected with the solar thermal collector respectively. The method of the invention effectively relieves the influences of global warming on the permafrost foundation. The device of the invention is strong in practicability, simple in structure and conveniently buried, and can solve the problem that a thermal rod cannot work in warm seasons.
Owner:NORTHWEST RES INST CO LTD OF C R E C

Automatic cable laying machine

The invention discloses an automatic cable laying machine. The automatic cable laying machine comprises a bottom plate, wherein a linear inclined sliding hole is formed in the surface of a rectangularblock; a connecting sliding rod is slidably connected to the surface of the rectangular block and is located in the linear inclined sliding hole; a cable pressing device is arranged on one side of the top of the bottom plate and is located at one end of the connecting sliding rod; a grooving rotary disc is fixedly connected to the center of the surface of a rotary shaft; a digging device is fixedly connected to the position, close to the grooving rotary disc, of one end of the sliding rod; a burying device is fixedly connected to the position, away from the grooving rotary disc, of the bottomof the bottom plate; and a compacting wheel is fixedly connected to the position, close to the bottom of the bottom plate, of the top of the surface of the burying device. The invention relates to the technical field of cable laying. According to the automatic cable laying machine, the effect of integrating grooving, cable laying, burying and compacting is achieved, the amount of manual labor isreduced, the time and the labor are saved, the integration of grooving, cable laying, burying and compacting is achieved, and the working efficiency and the using performance are improved.
Owner:韩爱强

Burying method of inclination measuring pipes in soil body

The invention discloses a burying method of an inclination measuring pipes in a soil body. The burying method comprises the following steps that (a) holes are drilled; (b) slurry is continuously filled in drilled holes for hole washing after the hole drilling completion; and (c) after the hole washing completion, a prepared inclination measuring pipe is inserted into the drilled hole, the bottom end of the inclination measuring pipe with an end cover is firstly downwards placed into the drilled hole, clean water is fully filled in the inclination measuring pipe, the upper section of inclination measuring pipe is connected, the insertion is continuously carried out after the connection completion, the operation is repeated in such a way until the inclination measuring pipe is inserted into the hole bottom, the rest inclination measuring pipe is cut off, the distance from a pipe opening of the inclination measuring pipe to the ground is 200 to 500mm, the pipe opening of the inclination measuring pipe is sealed and covered by a top cover, and the gap of the drilled holes outside the inclination measuring pipe is filled by sand or bentonite. The burying method has the advantages that the inclination measuring pipe burying is convenient, the construction speed is high, the cost is low, the inclination measuring pipe and the surrounding soil body can be enabled to form a whole after the burying, the inclination measuring pipe can deform along with the horizontal displacement of the soil body, and the horizontal displacement of the soil body at the position is analyzed and obtained through measuring the horizontal deformation of different positions of the inclination measuring pipe.
Owner:CHINA CONSTR SIXTH ENG DIV CORP +2

Grape shaping cultivation method suitable for soil burying winter protection

InactiveCN105028116AYield Control and StabilizationFavorable wine qualityCultivating equipmentsHorticulture methodsLeaf fallTrunk
The invention provides a grape shaping cultivation method suitable for soil burying winter protection. The grape shaping cultivation method comprises the steps that grape trees are guided and bound, and each grape tree forms one or two inclined trunks; only one long branch and a short branch are reserved at the top end of each inclined trunk, the long branches serve as fruiting main branches, the short branches serve as renewal branches, the fruiting main branches are pressed to be horizontal and guided and bound in the direction opposite to the inclined direction of the inclined trunks, shoots on the renewal branches and the fruiting main branches are guided and bound in the direction perpendicular to the ground and used for fruiting, the fruiting main branches of every year are completely sheared off after leaves fall every year, two shoot branches on each renewal branch are pruned, only one long branch and one short branch are reserved to serve as the fruiting main branch and the renewal branch of the next year, and the fruiting main branches and the renewal branches of the next year are guided, bound and pruned with the same method. The method has the advantages that soil burying winter protection is facilitated, the tree vigor can be easily stabilized, the yield can be conveniently controlled, management is convenient, and disease and pest control is facilitated.
Owner:QILU UNIV OF TECH

Wafer polish monitoring method and device

The present invention aims to provide a wafer polish monitoring method and device for detecting the end point of the polishing of a conductive film with high precision and accuracy by monitoring the variation of the film thickness of the conductive film without adverse influence of slurry or the like after the film thickness of the conductive film decreases to an extremely small film thickness defined by the skin depth. To achieve this objective, the present invention provides a wafer polish monitoring method by which a high-frequency transmission path is formed in a portion facing the conductive film on the surface of the wafer, the polishing removal state of the conductive film is evaluated based at least on the transmitted electromagnetic waves passing through the high-frequency transmission path or the reflected electromagnetic waves that are reflected without passing through the high-frequency transmission path, and the end point of the polishing removal and the point equivalent to the end point of the polishing removal are detected.
Owner:TOKYO SEIMITSU

Pre-embedded bag for multi-stage remediation of uranium-contaminated soil and use method thereof

The invention discloses a pre-embedded bag for multi-stage remediation of uranium-contaminated soil and a use method thereof, and belongs to the technical field of uranium-contaminated soil remediation. The pre-embedded bag for multi-stage remediation of uranium-contaminated soil can be pre-embedded by a soil cleaning and per-embedding manner, on the one hand, uranyl ions in the soil are transferred through a strict water-conducting network, a large amount of uranyl ions are actively and quickly collected into the pre-embedded bag to facilitate fixed-point remediation, on the other hand, a special soil remediation agent is used to greatly improve adsorption and accumulation for uranyl ions, agglomeration of uranyl ions is improved based on nano porous properties, and uranyl ions are filledin micro-pores to avoid contamination and diffusion. After the active primary remediation, uranyl ions in the uranium-contaminated soil are reduced to a certain value, then natural secondary remediation, namely heavy metal uranium enrichment plant remediation, is followed, the soil organic matter content and soil fertility are increased, a soil surface structure is improved and maintained, and asolid foundation for direct use of the soil after uranium pollution remediation is laid.
Owner:绍兴市上虞区武汉理工大学高等研究院

Energy-storing and shock-absorbing type power generation device for subway train rails

The invention discloses an energy-storing and shock-absorbing type power generation device for subway train rails. The energy-storing and shock-absorbing type power generation device comprises an external upper bearing plate, a lower bearing plate and a vibration block, wherein four main shock-absorbing springs are supported between the external upper bearing plate and the lower bearing plate; multiple layers of cantilever beams are arranged in parallel between the external upper bearing plate and the lower bearing plate; piezoelectric ceramic pieces are glued on the upper surfaces and the lower surfaces of the cantilever beams; the multiple layers of cantilever beams are supported between support seats on the left side and the right side, the multiple layers of cantilever beams are connected to one vibration block, the top of the vibration block is supported on an internal upper bearing plate, and the bottom of the vibration block is supported on the lower bearing plate through an auxiliary shock-absorbing spring. Vibration energy is converted into electric energy through the butterfly type piezoelectric cantilever beams, a two-level shock-absorbing mechanism of a subway train is formed by the main shock-absorbing springs and the auxiliary shock-absorbing spring, recycling of vibration energy during running of the subway train is realized, a self-power-generation system of the subway train is formed through energy conversion, energy is saved, and the subway operation cost is reduced.
Owner:CHANGAN UNIV

Device for sowing seeds during fruit planting

The invention discloses a device for sowing seeds during fruit planting. The device comprises a supporting plate, a shell, a storage box, a handle, side plates, rotating shafts, travelling wheels, first gears, second gears, rotary drums, shifting rods, first springs, limiting plates, an electric push rod, connecting rods, pipe bodies, a fixed plate, a second spring, a baffle plate, a fixed rod, ablanking pipe, a rotating plate and a rotary rod. The device for sowing seeds during fruit planting is simple in structure and convenient to operate; the soil is dug by means of the vertical movementof the pipe bodies, and a certain number of seeds are enabled to fall off for seeding while the pipe bodies move, so that the convenience of operation is improved, the amount of seeding each time is enabled to be the same, and the problem that the crop growth is affected due to the different number, caused by artificial sowing, of seeding each time is solved; by pushing the device to move, continuous sowing is facilitated; by driving the rotary drums to rotate, the shifting rods can more easily push the soil, the burying of the seeds is facilitated, the sowing efficiency is increased, and theworking hours are reduced.
Owner:镇江市丹徒区艺之林林果专业合作社

Rice tray growing seedling growing tray shipping machine

The invention discloses a rice tray growing seedling growing tray shipping machine, and belongs to the technical filed of agricultural machinery. The rice tray growing seedling growing tray shipping machine comprises a machine frame, a seedling tray spade, and a delivery mechanism, wherein a walking mechanism and a veering mechanism are arranged at the lower end of the machine frame separately, the seedling tray spade is arranged at the front end of the heading direction of the machine frame, and a seedling tray frame is arranged at the rear end of the machine frame, the seedling tray spade is arranged at the front end of the heading direction of the machine frame, and is used for scooping up a seedling tray, the delivery mechanism is arranged on the machine frame between the seedling tray spade and the seedling tray frame, and delivers the seedling tray which is scooped off the ground by the seedling tray spade to the seedling tray frame. In the rice tray growing seedling growing tray shipping machine, the vertical-type folding seedling tray spade is adopted to scoop up the seedling tray, when the seedling tray is off the ground, carried mud is reduced, the work resistance is reduced, and thus the seedling tray is conveniently scooped up. A shipping belt with the combination of a straight line section and an inclined section is adopted to deliver the seedling tray, the seedling tray frame is arranged at the tail end of a delivery belt on the machine frame, and a signal is detected and transferred through a photoelectric switch to control a motor to run. The rice tray growing seedling growing tray shipping machine is smooth in shipping, simple in structure, flexible in use, high in working efficiency, and accurate in control.
Owner:SHENYANG AGRI UNIV

Split-type tensionmeter connected through soft pipes and used for measuring soil water potential

The invention discloses a tensionmeter connected through soft pipes and used for measuring soil water potential. The tensionmeter comprises a clay pipe. A water injection soft pipe and a pressure guiding soft pipe are packaged on the upper end of the clay pipe respectively. The pressure guiding pipe is connected with a water storage air collecting pipe for storing water and collecting air. A cover is arranged on the water storage air collecting pipe. A vacuum pressure meter or a digital pressure sensor is arranged on a lateral end of the water storage air collecting pipe. When the tensionmeter is used as a traditional tensionmeter, the vacuum pressure meter is used, and during collecting of digital signals, users only need to replace the vacuum pressure meter with the digital pressure sensor, and other portions are not required to be changed. The collected signals are digital signals and are favorable for follow-up storage processing and the like. The tensionmeter is simple in structure, easy to manufacture and convenient to use, simultaneously gives consideration to a traditional and conventional use method, overcomes some defects of a traditional tensionmeter, reserves the advantages of low price and simple operation, enables measurement results to be correct, and is favorable for scientific measurement.
Owner:NORTHWEST A & F UNIV

Blow fill foundation treating method and gas injection draining method therefor

InactiveCN101225654AAccelerated drainage consolidationReduced strength build-up timeSoil preservationWater flowEngineering
The invention relates to a processing method about blow-filled foundation, comprising that: a blast-filled ground is leveled, a longitudinal slope is arranged in one direction; blind drains are arranged along the direction of the longitudinal slope; a sand water conveyance cushion layer is paved, a gas injection pipe is buried at the middle position between the blind drains; the blow fill is blast-filled on the sand cushion layer, when the thickness of the blow fill is above 50cm, the gas supplying device is started, the gas is injected into the sand water conveyance cushion layer by the gas injection pipe, gas injection and blast-filling are carried out simultaneously, and the water flowing out from the blind drains is cleaned at the same time; when the thickness of the blow fill is half of the designed monolayer thickness, gas injection pipes are paved on the blow fill, then the blow fill is blast-filled continuously until the thickness of the blow fill reaches monolayer thickness, and gas is injected into the blow fill layer; the above steps are repeated until the thickness of the blow fill reaches the total height; after blast-filling, each layer of gas injection pipes continuously inject gas until the blind drains have no water flowing out. The effect is better if combining with surcharge preloading. The processing method about blow-filled foundation has the advantages of easy implementation, blast-filling and simultaneously injecting gas to drainage, greatly shortening the build-up time of the foundation strength, in favor of the after-maintenance of the foundation strength.
Owner:TONGJI UNIV

Rain-intensity-controllable unsaturated soil rainwater infiltration simulation system

The invention discloses a rain-intensity-controllable unsaturated soil infiltration simulation system which comprises a test bench with pulleys at the bottom part; a water supply tank, an overflow water tank and a model tank are arranged on the test bench, the model tank is a top-opening round bucket, a plurality of separators respectively with a reserved hole at the center are arranged inside the model tank, a drain valve is arranged at the bottom of the model tank, a water supply pump is arranged in the water supply tank, the water supply pump is connected to the overflow water tank by a water supply pipe, the overflow water tank is connected to the water supply tank with an overflow water pipe, a raindrop generator is connected to the bottom of the water supply tank, the raindrop generator includes a guide pipe, a regulating valve, a syringe needle and a dead plate, a funnel is fixed on the lower surface of the dead plate, and a discharge hole of the funnel is arranged above an opening of the top of the model tank; to the rain-intensity-controllable unsaturated soil infiltration simulation system performs point-to-point control through the raindrop generator, and is accurate in rainfall and high in test precision.
Owner:TAIZHOU UNIV

Protective apparatus of geological disaster monitoring station

The present invention discloses a protective apparatus of a geological disaster monitoring station, comprising a cylinder, wherein two ends of the cylinder are respectively provided with an upper end cover and a lower end cover, the lower surface of the cylinder is provided with pulleys, the cylinder is placed on a slope of a mountain to be monitored, a monitoring station is fixed in the cylinder, the upper end of the cylinder is connected with a baffle plate, the baffle plate is connected with a fixed plate through a steel cable, the fixed plate is adsorbed on an electromagnetic chuck, the electromagnetic chuck is fixed on the slope through a fixing nail, and is connected with a storage battery through a lead, and the fixed plate is manufactured by a metal magnetic material, thereby achieving the technical effects that unmovable cultural relics and monitoring stations can be well protected and cannot be easily damaged by falling rock, and the monitoring station can be recycled when landslide occurs.
Owner:CHENGDU HANKANG INFORMATION IND

Optical integrated device and manufacturing method thereof

In the optical integrated devices with ridge waveguide structure based on the conventional technology, there occur such troubles as generation of a recess in a BJ section to easily cause a crystal defect due to the mass transport phenomenon of InP when a butt joint (BJ) is grown, lowering of reliability of the devices, and lowering in a yield in fabrication of devices. In the present invention, a protection layer made of InGaAsP is provided on the BJ section. The layer has high etching selectivity for the InP cladding layer and remains on the BJ section even after mesa etching.
Owner:LUMENTUM JAPAN INC

Diversion blasting construction method of intertidal zone blasting displacement bank

The invention relates to a diversion blasting construction method of an intertidal zone blasting displacement bank. The method comprises the following steps: (1) dumping filling a bank body according to a design and construction scheme; (2) calculating for blasting operation design; (3) reserving a silt pack bulged on the head end of the bank, and utilizing the silt pack as one part of an upper overburden load; (4) extracting and guiding water on the periphery of the silt pack into a V-shaped channel; (5) embedding explosive, and detonating; (6) continuously throwing stones, and stopping the throwing of stones in a sliding manner after reaching the balance; (7) throwing filling stones of the needed quantity for the next blasting operation on the bank end, continuously throwing filling stones behind the bank end until the structural balance of the bank body reaches the designed standard height, and arranging a slope by utilizing a construction machine; (8) preparing the next blasting, and thus cycling. By adopting the method, the construction progress of the intertidal zone blasting displacement bank can be accelerated, the engineering cost is reduced, the blasting and displacement bottoming effect is good, the construction process is simple, the tidal establishment operation is not needed, the explosive is more convenient to bury, the construction process has an important significance on guaranteeing the construction quality and accelerating the construction process, and the popularization value is remarkable.
Owner:沈雪松

Puncture device and puncture apparatus

A puncture device, a puncture apparatus, and a method are disclosed, the puncture apparatus including a puncture device for puncturing a biological tissue, a urethral-insertion member, a vaginal insertion member, and a supporting member which supports the urethral-insertion member, vaginal insertion member and a puncture member of the puncture device. The puncture device includes a puncture needle for puncturing a biological tissue, a shaft portion and a connection portion for connecting the puncture needle and the shaft portion to each other, and an implant assembly positioned at a distal end of the puncture needle and having a needle tip portion for puncturing a biological tissue and a biological tissue supporting implant. The puncture needle has a form of a pipe and has a tubular portion. The biological tissue supporting implant is accommodated in the hollow portion.
Owner:TERUMO KK

Anti-bite integrated type cable

The invention discloses an anti-bite integrated type cable. The cable comprises two cable bodies. Each cable body comprises a cable core and a sheath wrapped outside the cable core. A plurality of thorn-shaped protrusions are arranged on the periphery of each sheath and formed in an integrated mode. A gap is reserved between every two adjacent thorn-shaped protrusions. A connection rib is connected between every two adjacent thorn-shaped protrusions in an integrated mode. Open holes are formed in the connection ribs. An insulating ring is connected between the sheaths of the two cable bodies in an integrated mode. According to the anti-bite integrated type cable, the structure is simple, the two cable bodies are connected into a whole through the insulating ring, integrated embedding is convenient, and the strength is improved; in addition, the thorn-shaped protrusions located outside each sheath can completely eliminate the potential safety hazard that the cable is bitten, and the heat dissipation performance of the cable can be improved. Meanwhile, the strength of the thorn-shaped protrusions is enhanced through the connection ribs, and the open holes formed in the connection ribs guarantee that water and other kinds of liquid cannot gather between every two adjacent thorn-shaped protrusions.
Owner:WUHU HANGTIAN SPECIAL CABLE FACTORY

Construction method of hyperboloidal concrete structure of coal tower storage bunker incline wall

ActiveCN102041918AReduce the use loadImprove securityBulk storage containerEngineeringTower
The invention relates to a construction method of a hyperboloidal concrete structure of a coal tower storage bunker incline wall, comprising the following steps of: (1) building a coal tower storage bunker incline beam; (2) building aerated concrete blocks from the top down in the form of steps by closely leaning the coal tower storage bunker incline beam, wherein a wind-powered coal vibration tube is embedded in the corresponding position in the building process; (3) binding reinforcing mat sheets at the outer sides of the step-typed aerated concrete blocks; (4) erecting frameworks in steps and casting concrete according to the step-typed aerated concrete blocks so as to form a hyperboloidal concrete structure; and (5) fixedly mounting a wearable slab on the external body of the hyperboloidal concrete structure, and then finishing the integral construction. The invention reduces the use load of the integral structure, has simple construction process steps, higher casting quality and precision of the concrete, effectively reduces the construction difficulty and the construction cost, and is a construction method of the hyperboloidal concrete structure of the coal tower storage bunker incline wall with higher innovation property.
Owner:MCC TIANGONG GROUP

Coal ash foam building block production method

InactiveCN106042144AGood energy saving and heat preservationLow thermal conductivityFeeding arrangmentsLight railGypsum
The invention provides a coal ash foam building block production method. According to a formula, a dry blend is composed of coal ash, blast furnace slag, gypsum powder, perlite and cement, and polystyrene particles, water and various additives are added in each ton of dry blend. A production system is composed of hoppers, stock bins, a polystyrene particle puffing machine, electronic scales, an auger conveyor, a water pump, a stirring machine, mold trolleys, a light rail and a bin for the various additives. The production system is characterized in that the electronic scales which are controlled by a computer are installed at outlets of the stock bins correspondingly and are in butt joint with the auger conveyor, the auger conveyor is connected with the feeding end of the stirring machine, and an outlet of a polystyrene particle bin is connected with the stirring machine; the puffing machine is connected with a steam pipe; the stirring machine is connected with a water pump water outlet pipe; the mold trolleys are arranged on the light rail, and mold assemblies are arranged on the mold trolley and are in butt joint with an outlet of the stirring machine; and wet blends are poured into molds for formation, manual demolding is conducted, and water is poured for curing. According to the coal ash foam building block production method, waste can be changed into valuable materials, the formula is nontoxic and free of odor and radioactive contamination, and coal ash foam building blocks produced through the method are pure-natural, green, healthy, ecological and environment-friendly wall materials.
Owner:LIXIAN FANGSHIPING TOWN YANGPU MINING MACHINERY FACTORY

Nonvolatile semiconductor memory device and method of manufacturing the same

A nonvolatile semiconductor memory device has a substrate, a floating gate, a buried gate, a control gate, and source / drain regions. The substrate has a trench formed in a first direction. The floating gate is formed on a surface of the substrate outside the trench through a first gate insulating film. The buried gate is formed on a surface of the trench through a second gate insulating film. The control gate is formed to cover the floating gate through a third gate insulating film. The source / drain regions are formed in the substrate below the floating gate.
Owner:NEC ELECTRONICS CORP
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