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40results about How to "Solve broken problems" patented technology

Single-shaft mortar and high-viscosity fluid stirrer for axial turbulent flow pattern multi-wire cutting machine

The invention discloses a single-shaft mortar and high-viscosity fluid stirrer for an axial turbulent flow pattern multi-wire cutting machine, comprising a stirring shaft, a stirring assembly and a driving mechanism, wherein the stirring assembly comprises impellers and short flow diversion tubes, the impellers are used for driving a material to move up or down in an axial and spiral mode along the inner wall of a pot body of a stirring pot, the short flow diversion tubes are used for restricting the material flow direction to an axial movement along the axis of the stirring shaft when the material moves up or down in the axial and spiral mode, the impellers and the short flow division tubes are assembled into the stirring assembly which drives the material needed to be mixed and stirred to do an axial turbulent flow motion during stirring, the impellers are coaxially installed at the bottom end of the stirring shaft, the short flow division tubes are coaxially and fixedly sleeved at the outer sides of the impellers, and the stirring speed of the stirring shaft is 600-1500rmp. The single-shaft mortar and high-viscosity fluid stirrer has the advantages of simplicity in structure, high stirring capacity, small shearing force, high dispersing power and high effect, and can be used for solving the problem that silicon carbide is broken due to the shearing force during the high-speed stirring of various traditional stirrers. Moreover, a stuck phenomenon is difficult to generate.
Owner:XIAN HUAJING ELECTRONICS TECH

Spray pyrolysis device with microwave heating and method for preparing ternary precursor thereof

The invention provides a spray pyrolysis device with microwave heating and a method for preparing a ternary precursor thereof. The spray pyrolysis device comprises a microwave heating unit and a sintering unit from top to bottom; wherein the cavity of the microwave heating unit is provided with at least one set of microwave generator module. The method comprises the following steps: spraying ionized water into the spray pyrolysis device through an atomizing device, sequentially starting microwave generators of an evaporation zone, a drying zone and a thermal decomposition zone, switching the deionized water to a ternary precursor mixed solution after the temperature of the midpoint in the horizontal direction of each zone reaches a set value, and carrying out spray pyrolysis to obtain theternary precursor powder. By microwave heating for the evaporation zone, the drying zone and the thermal decomposition zone of the spray pyrolysis device, the problems of hollowing and breaking of secondary particles of the precursor prepared by spray pyrolysis are fundamentally solved, and favorable conditions are created for the preparation of the ternary precursor having high tap density, smallspecific surface area and low chloride content.
Owner:HENGDIAN GRP DMEGC MAGNETICS CO LTD

Tool and method for smashing hard rock in large-diameter pile hole

InactiveCN105804079ASolve broken problemsAchieve the effect of forming piles and holesBulkheads/pilesHoneycombRetaining wall
The invention discloses a tool and method for smashing hard rock in a large-diameter pile hole. Under the condition that hard rock exists in the pile hole in the pile forming process, low-cost rapid construction can be achieved. Guiding pipes are aligned and welded to an internal supporting frame of a guiding pipe bent frame, and the guiding pipes are aligned in parallel; the guiding pipe bent frame can be annular or square, and the guiding pipes are fixed on the guiding pipe bent frame and evenly distributed; a drilling rock stratum at the top of the drilled hole is completely removed through a pile hole forming drill jig, a pile hole retaining wall is downwards placed into a top hole collapse section, a bottom pile hole wall is kept stable, and the welded guiding pipe bent frame is downwards placed in, regulated to a vertical state and stably welded to the pile hole retaining wall 6; and a down-the-hole hammer is used for forming holes to designed depths along the guiding pipes, rock is smashed in a honeycomb shape, and then a pile is quickly formed through a conventional pile forming process. Compared with dedicated special equipment such as a large-caliber down-the-hole hammer and a high-power drill jig, the manufacturing cost is lowered by at least 50%, and the speed is increased by 3-4 times.
Owner:DALIAN JIUDING XIANGRUI SPECIAL ENG TECH RES INST CO LTD

Multi-stage self-collapsing closed headwork

The invention discloses a multi-stage self-collapsing closed headwork and belongs to the technical field of hydro project headworks. The multi-stage self-collapsing closed headwork can resist flood exceeding the designed level, is simple in structure, convenient to implement and low in construction cost and does not occupy space permanently. The problem that headworks are damaged by flood exceeding the designed level is solved through the disaster prevention and mitigation design theory of the multi-stage self-collapsing closed headwork. The structure of the multi-stage self-collapsing closed headwork comprises a flood discharge bottomland (2-2), an earthy embankment (3), a geotechnical synthetic material armour earthy flood diversion dyke (4), a geotechnical synthetic material protecting multi-stage self-collapsing earth embankment (5), an intake gate (6), a barrage gate (7), a rockfill dam (8), an earthy barrage (9), flood diversion farmlands (10), a gulch (11), rope system non-woven fabric grid bands (12) and a rope system non-woven fabric bottomland locking penetrating band (13). The structure is suitable for closed headworks with the bottomland, headworks with rockfill dams, open headwork bottomland treatment and headworks with flood exceeding the designed level outside the embankment farmland for flood diversion.
Owner:HEILONGJIANG UNIV +1

Railroad hopper car hand braking device

ActiveCN104590312AMeet the requirements of driving safetyEliminate the problem of fracture affecting driving safetyRail brake actuationBrakeControl theory
The invention relates to the technical field of a railroad freight car braking, in particular to a railroad hopper car hand braking device which solves a plurality of problems existing in actual application of an existing railroad hopper car. The railroad hopper car hand braking device comprises a hand brake support, a hand brake, a hand brake chain, a fixed pulley, a supporting base, a brake cylinder and a push rod, and further comprises a hand brake pull rod, a hand brake pull rod guide frame, a vertical lever, a vertical lever supporting point base, a switching lever, a switching lever supporting point base, a horizontal transmission chain and a switching pull rod. The hand brake support, the fixed pulley and the supporting base are fixed to an end beam, the hand brake pull rod guide frame and the brake pull rod are installed on the lower portion of a bottom frame, the vertical lever is vertically hinged to the bottom frame, and the lower end of the switching lever extends to the position below the bottom frame. The railroad hopper car hand braking device is arranged below the end beam and the bottom frame, completely eliminates the probability that a supporting frame is pulled out through an existing hopper car hand brake pull rod reinforcing rib and the problem that a hand brake pull rod breaks and influences running safety, and meets the requirement for running safety of the railroad hopper car.
Owner:CRRC TAIYUAN CO LTD

Automatic tobacco shred feeding system

The invention provides an automatic tobacco shred feeding system. The automatic tobacco shred feeding system comprises a boxing unit, a storage unit, a tobacco shred feeding unit and a transferring unit. The boxing unit is connected with a tobacco shred making machine and is used for automatically boxing tobacco shreds output by the tobacco shred making machine into empty tobacco shred boxes. Thestorage unit is used for storing the full tobacco shred boxes output after boxing of the boxing unit is completed; the tobacco shred feeding unit is connected with a cigarette making machine and is used for feeding tobacco shreds in the full tobacco shred boxes into the cigarette making machine. The transfer unit is used for realizing cyclic transfer of the empty tobacco shred boxes and full tobacco shred boxes among the boxing unit, the storage unit and the tobacco shred feeding unit. Therefore, the tobacco shreds are transferred and fed between the tobacco shred making machine and the cigarette making machine, the exposure time of the tobacco shreds in a production environment is shortened to solve the problem that the moisture of the tobacco shreds is unstable, the impact of external force on tobacco raw materials is reduced, the tobacco shred breaking problem is solved, the requirement for automatic transfer from tobacco shred making to cigarette making is met, and the labor intensity is reduced. And fine management and flexible production of the tobaccos are better facilitated.
Owner:HUBEI CHINA TOBACCO IND

Method for preparing master alloy by crushing through using water quenching method

The invention discloses a method for preparing a master alloy by crushing through using a water quenching method. The method comprises the following steps of: selecting a single crystal furnace, placing a quartz crucible into the single crystal furnace, closing the furnace to exhaust the furnace, electrifying the single crystal furnace for heating, placing a basket containing a master alloy silicon briquette into the furnace when the inner wall temperature of the quartz crucible reaches 750-800 DEG C, placing 25-30kg of 20mm-thick boron-containing silicon briquette into the quenching basket, lifting the basket into the furnace, and placing the basket in the quartz crucible with the basket bottom approaching to the bottom of the quartz crucible, wherein the temperature of the boron-containing silicon briquette approaches to 650 DEG C after heating for half of a hour; and rapidly lifting the quenching basket, turning on an auxiliary furnace chamber of the single crystal pulling furnace, sending the basket down, lifting the basket to separate the basket from a hook when the upper edge of the basket descends to leave the drum of the auxiliary furnace chamber, directly and rapidly sinking the basket into a cold rinse bank, and simultaneously heating another quenching basket containing the boron-containing silicon briquette in the single crystal furnace. The problem of difficult crushing is solved and the method has the characteristics that the raw material is saved, the cost is reduced, and the labor intensity is reduced.
Owner:JIANGXI SORNID HI TECH

Crustacean solid waste recycling system and method

The invention belongs to the related technical field of crustacean solid waste recycling, and discloses a crustacean solid waste recycling system and method. The system comprises a carapace pretreatment subsystem, a chitosan extraction subsystem and a protein extraction subsystem, wherein the chitosan extraction subsystem and the protein extraction subsystem are connected to the carapace pretreatment subsystem separately; the carapace pretreatment subsystem is used for performing two-stage smashing and solid-liquid separation on crustacean solid waste raw materials, thereby pretreating the crustacean solid waste raw materials into a solid substance and a liquid substance in a flowing state, and the solid substance and the liquid substance enter the chitosan extraction subsystem and the protein extraction subsystem; the chitosan extraction subsystem is used for treating the solid substance to obtain a chitosan product; the protein extraction subsystem is used for treating the liquid substance to obtain a protein product. The crustacean solid waste recycling system and method have the advantages that the extraction efficiency is higher, the operation is simple, and the production cost is low.
Owner:HUAZHONG UNIV OF SCI & TECH

A railway funnel driver brake device

ActiveCN104590312BMeet the requirements of driving safetyEliminate the problem of fracture affecting driving safetyRail brake actuationBrakeControl theory
The invention relates to the technical field of a railroad freight car braking, in particular to a railroad hopper car hand braking device which solves a plurality of problems existing in actual application of an existing railroad hopper car. The railroad hopper car hand braking device comprises a hand brake support, a hand brake, a hand brake chain, a fixed pulley, a supporting base, a brake cylinder and a push rod, and further comprises a hand brake pull rod, a hand brake pull rod guide frame, a vertical lever, a vertical lever supporting point base, a switching lever, a switching lever supporting point base, a horizontal transmission chain and a switching pull rod. The hand brake support, the fixed pulley and the supporting base are fixed to an end beam, the hand brake pull rod guide frame and the brake pull rod are installed on the lower portion of a bottom frame, the vertical lever is vertically hinged to the bottom frame, and the lower end of the switching lever extends to the position below the bottom frame. The railroad hopper car hand braking device is arranged below the end beam and the bottom frame, completely eliminates the probability that a supporting frame is pulled out through an existing hopper car hand brake pull rod reinforcing rib and the problem that a hand brake pull rod breaks and influences running safety, and meets the requirement for running safety of the railroad hopper car.
Owner:CRRC TAIYUAN CO LTD

A method to prevent lightning counterattack of power distribution cabinet

The invention discloses a method for preventing lightning counterattack of a power distribution cabinet, which belongs to the technical field of lightning protection of a power distribution cabinet. The method includes the following steps: setting an isolation transformer on the power supply line of the power distribution cabinet, There is a shielding layer between the primary winding and the primary winding; when the lightning strikes the fan, the ground potential of the lightning strike point rises, and the potential of the ground side of the power distribution cabinet below the fan rises with the rise of the ground potential; when the potential of the ground side of the power distribution cabinet rises , the high potential side of the power distribution cabinet rises synchronously; by setting the shielding layer to ground, and at the same time the power distribution cabinet is connected to the secondary winding, the voltage difference added to the equipment in the power distribution cabinet is always the power supply voltage, and the potential difference is constant, eliminating the ground grid Counterattack caused by high potential difference to avoid equipment damage. Through equipotential technology and reference potential floating technology, the potential reference point of the lightning strike point is the reference point of the power supply voltage, and the potential difference between the two ends of the equipment in the power distribution cabinet is constant, which solves the problem that the equipment in the cabinet is damaged due to lightning strikes.
Owner:GUANGXI UNIV +1

Single-shaft mortar and high-viscosity fluid stirrer for axial turbulent flow pattern multi-wire cutting machine

The invention discloses a single-shaft mortar and high-viscosity fluid stirrer for an axial turbulent flow pattern multi-wire cutting machine, comprising a stirring shaft, a stirring assembly and a driving mechanism, wherein the stirring assembly comprises impellers and short flow diversion tubes, the impellers are used for driving a material to move up or down in an axial and spiral mode along the inner wall of a pot body of a stirring pot, the short flow diversion tubes are used for restricting the material flow direction to an axial movement along the axis of the stirring shaft when the material moves up or down in the axial and spiral mode, the impellers and the short flow division tubes are assembled into the stirring assembly which drives the material needed to be mixed and stirred to do an axial turbulent flow motion during stirring, the impellers are coaxially installed at the bottom end of the stirring shaft, the short flow division tubes are coaxially and fixedly sleeved at the outer sides of the impellers, and the stirring speed of the stirring shaft is 600-1500rmp. The single-shaft mortar and high-viscosity fluid stirrer has the advantages of simplicity in structure, high stirring capacity, small shearing force, high dispersing power and high effect, and can be used for solving the problem that silicon carbide is broken due to the shearing force during the high-speed stirring of various traditional stirrers. Moreover, a stuck phenomenon is difficult to generate.
Owner:XIAN HUAJING ELECTRONICS TECH
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