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16results about How to "Decentralization smoothly" patented technology

Combustion improver continuous feeding method for methane in-situ burning explosion fracturing

PendingCN119393111Aconducive to decentralizationDecentralization smoothlyFluid removalThermodynamicsCombustion
A combustion improver continuous feeding method for methane in-situ burning explosion fracturing comprises the steps that a fracturing well section is determined, a well is drilled, and a drillable bridge plug is put in; assembling and installing a putting tool; the putting tool is put down, and the oil pipe through pipe and the shaft through pipe are connected in a sealed mode; high-pressure nitrogen is injected through nitrogen injection equipment, and the packer is set; a combustion improver is injected into the gas storage space of the throwing tool main body through the high-pressure hose by using oxygen injection equipment, and oxygen is injected into the sealed target section at a certain initial pressure; nitrogen with increased pressure is used for pushing a piston in the feeding tool main body downwards, so that the residual combustion improver in the gas storage space is discharged; the packing of the combustion improver is completed; finally, plugging the tool and performing compression ignition; according to the method, the continuous throwing of the methane in-situ burning explosion fracturing combustion improver and the packing technology of the combustion improver are combined, the packing problem of the combustion improver during the continuous throwing process of the combustion improver can be effectively solved, and the safety of the continuous conveying of the combustion improver along the way can be obviously improved.
Owner:CHINA UNIV OF MINING & TECH

A retrievable osmometer for reservoir dam safety monitoring

The application discloses a dam seepage pressure gauge, and relates to the technical field of dam seepage pressure monitoring. The seepage pressure gauge comprises a seepage pressure gauge main body, a protection mechanism, a supporting mechanism and a buffer, the protection mechanism comprises a protection cylinder, the bottom end side of a columnar body is provided with a mounting plate, the mounting plate is mounted at the bottom of the protection cylinder, and the columnar body is located in the protection cylinder; the supporting mechanism comprises a plurality of main supporting feet which are distributed in the circumferential direction of the axial line of the protection cylinder, the fixed end of the main supporting foot is mounted at the lower end of the protection cylinder, and the outer end of the main supporting foot is used for abutting against the inner wall of the hole groove; the output end of the buffer is transmissionally connected to the protection cylinder, and the buffer is used for applying a buffering force to the protection cylinder; the seepage pressure gauge protects the seepage pressure gauge main body through the protection mechanism, avoids damage of the seepage pressure gauge main body caused by direct collision between the seepage pressure gauge main body and the inner wall of the hole groove, and applies a buffering force to the protection cylinder through the buffer, so that the lowering is ensured to be smooth.
Owner:DALIAN HEHAI WATER CONSERVANCY & HYDROPOWER SURVEY & DESIGN CO LTD

Sewage treatment equipment mounting structure

The application relates to the technical field of house building sewage equipment installation, and discloses a sewage treatment equipment installation structure which comprises a sewage treatment equipment box and three equidistantly arranged exhaust inspection boxes fixed on the top of the sewage treatment equipment box for exhaust, the sewage treatment equipment box is placed in a foundation pit for underground installation, a concrete mortar foundation is laid in the foundation pit and used for placing and installing the sewage treatment equipment box, a guide mechanism for guiding the sewage treatment equipment box to be installed is arranged on the concrete mortar foundation; the guide mechanism comprises two groups of guide adjusting components and guide wheel components which are symmetrically placed on the two sides of the sewage treatment equipment box. The sewage treatment equipment installation structure can stably and accurately lower the sewage treatment equipment, workers do not need to repeatedly communicate with crane workers in the foundation pit, the operation difficulty of the crane workers is reduced, the risk of accidents of the workers is avoided, and the installation efficiency of the sewage treatment equipment is effectively improved.
Owner:ZHONGMEI ENGINEERING GROUP LTD

Adjustable batch rectangular steel plate feeding assembly and feeding method

ActiveCN118270541BMeet stacking storage needsEasy to adjustNuclear powerBearing surface
Adjustable batch rectangular steel plate feeding assembly and feeding method relate to the technical field of automatic steel plate feeding. The adjustable batch rectangular steel plate feeding assembly comprises a steel plate storage device, a horizontal push plate device and a small plate supporting device. The upper end of the steel plate storage device is provided with a storage interval, the bottom of the storage interval is provided with a height-adjustable steel plate bearing surface, and the top of the storage interval is provided with a steel plate discharge surface. The horizontal push plate device is used for pushing the steel plate at the upper end of the steel plate discharge surface to the outside of the rear end of the steel plate storage device. The upper end of the small plate supporting device is provided with a height-adjustable steel plate transfer surface. When the steel plate transfer surface is at the high position, the steel plate transfer surface is flush with the steel plate discharge surface. When the steel plate transfer surface is at the low position, the steel plate transfer surface is located at the lower end of the storage interval. A continuous rectangular steel plate feeding method is based on the adjustable batch rectangular steel plate feeding assembly. The application is used for stacking and storing steel plates and automatically discharging the steel plates, and belongs to an important link in the automatic manufacturing of nuclear power embedded parts.
Owner:NANHUA UNIV

A hoisting cage for cleaning the triangular heat dissipation plates of an indirect cooling tower

ActiveCN224449976UComplete cleaning operationSolve the disadvantages of inaccessible cleaningThermodynamicsCooling tower
This application discloses a cage for cleaning triangular heat exchange plates in indirect cooling towers. The cage is a triangular structure adapted to the triangular cavity formed by the triangular heat exchange plates in the indirect cooling tower, and can be vertically placed in the triangular cavity and close to each heat exchange plate. The cage consists of a triangular base plate, vertically upward vertical support columns connected to the corners of the triangular base plate, and horizontal rods connecting adjacent vertical support columns. The horizontal rods are spaced vertically on the adjacent vertical support columns, and each vertical support column is provided with a lifting ring at its top. This cage, with its triangular structure adapted to the triangular cavity formed by the triangular heat exchange plates in the indirect cooling tower, "fills" the triangular cavity after being placed inside, allowing the operator to fully contact the surface of each heat exchange plate, achieving a complete cleaning operation. This solves the drawback of current square cage structures, which prevent operators from contacting and cleaning the corners where adjacent heat exchange plates meet.
Owner:SHAANXI ENERGY LINBEI POWER GENERATION CO LTD

Extrusion rubber sleeve single slip bridge plug

ActiveCN224396453UShorten axial assembly lengthImprove adaptabilitySealing/packingShear pinCivil engineering
The utility model relates to oil and gas well packer tool technical field, concretely is a kind of extruded rubber tube single slip bridge plug, including push cylinder, and push cylinder is fixed with the release lever;Release lever outer circumferential surface is sequentially arranged with central tube, slip seat and lower joint;Lower joint is fixedly connected with release lever by shearing pin;Central tube includes the connecting section and conical structure section that are sequentially arranged in axis direction, and connecting section is butted with push cylinder;Slip seat one end is set on conical structure section, and other end is fixed with lower joint;There is step surface between connecting section and conical structure section, and step surface and conical structure section are set with rubber tube;Release lever outer circumferential surface is also set with connecting sleeve, and connecting sleeve is screwed with central tube by its threaded connecting section, and is clamped with lower joint by its clamping section.The central tube structure of the utility model can make rubber tube and slip seat directly set on central tube, reduce the axial length of whole bridge plug, improve the adaptability of bridge plug in downhole limited space.
Owner:CHENGDU INNOX TECH CO LTD

Reinforcement cage lug ring structure for pile foundation engineering

The utility model provides a reinforcement cage earring structure for pile foundation engineering, which comprises a reinforcement cage and a positioning earring, the reinforcement cage is vertically arranged, the positioning earring is a round wheel, and the round wheel is vertically arranged along the radial direction of the reinforcement cage. The round wheels are connected with the reinforcement cage and are vertically and rotatably arranged around the axes of the round wheels, at least parts of the round wheels protrude out of the side wall of the reinforcement cage outwards, the round wheels are arranged at intervals in the circumferential direction of a horizontal circle so as to form a round wheel set, and the round wheel sets are vertically arranged at intervals. The positioning lug ring abuts against the side wall of the pile hole for positioning, and in the descending process of the reinforcement cage, the positioning lug ring rotates and descends along the side wall of the pile hole. The steel reinforcement cage can be positioned in the pile hole, the center of the steel reinforcement cage and the center of the pile hole are guaranteed to be located at the same position, the side wall of the pile hole can be prevented from being clamped, and therefore the steel reinforcement cage can be smoothly lowered.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Rapid splicing device and splicing method for SAGD lifting operation temperature and pressure monitoring cable

The invention relates to the technical field of temperature and pressure monitoring cable splicing, and provides an SAGD lifting operation temperature and pressure monitoring cable rapid splicing device and splicing method.The SAGD lifting operation temperature and pressure monitoring cable rapid splicing device comprises a protective sleeve and a tightening assembly, and the tightening assembly comprises a tightening connector, a tightening nut and a two-way taper sleeve; the inner protection pipe penetrates through the tightening connector and the two-way taper sleeve and is inserted into a proper position of the inner wall of the protection sleeve, the two-way taper sleeve is extruded by the tightening nut to deform, and therefore the inner protection pipe and the tightening connector are fixed together, it is ensured that the outer wall of the inner protection pipe is firmly connected to the inner wall of the protection sleeve, sealing is reliable, and the service life of the inner protection pipe is prolonged. Therefore, the external diameter of the temperature and pressure monitoring cable can be adapted, the temperature and pressure monitoring cable can be tightly connected, the temperature and pressure monitoring cable can be smoothly put down and recycled in a well, the continuing time is obviously shortened, and the production efficiency is improved.
Owner:克拉玛依四维石油科技有限公司 +1

In-hole directional blasting fracturing grouting grounding method

The invention relates to the technical field of water conservancy and hydropower engineering, and discloses an in-hole directional blasting fracturing grouting grounding method which comprises the following steps: operating a drilling machine to form a drill hole; the multiple charging sections are connected in series through the non-charging sections to be assembled into the directional fracturing device; the directional fracturing device is lowered into the drill hole and is filled with stemming; detonating the detonating cord to drive the charging section to generate energy-gathered jet flow, and manufacturing directional fractures in the rock mass; after the hole cleaning operation is completed, the copper-plated flat steel is placed into the drilled hole; and a stop-grouting plug is installed, and a liquid resistance reducing agent is injected into the drill hole through the grouting pipeline. According to the method, directional energy gathering of blasting energy is achieved through the kerf rectangular hole, the integrity of the hole wall of the drill hole is protected, the three-dimensional fracture network which is communicated with one another is constructed through the modular structure, and the solidified resistance reducing agent forms a tree-root-shaped three-dimensional conductive structure. The grouting grounding range is enlarged, the soil resistivity characteristic is improved, and the problem that resistance reduction is difficult in a high-resistivity area is effectively solved.
Owner:NORTHWEST INST OF NUCLEAR TECH

Method for radial water coupling of blast charge with adjustable medium ring width

The application discloses a kind of medium ring width adjustable radial water coupling blasting charge method, it is related to the technical field of seismic exploration, comprising the following steps: S1, the bottom of cylindrical film is inwardly folded to form the first film bag with inner layer film and outer layer film;S2, the explosive required by blasting construction is placed in the inner layer film, a part of the required water medium is added in the interlayer formed between the outer side of the inner layer film and the inner side of the outer layer film;S3, take a shell plate, the both ends of shell plate are bent and wrapped in the outer side of outer layer film, the adjustment of the size of the overlapping area of the both ends of shell plate is realized to adjust the wrapped inner diameter size formed by shell plate, the inner side wall of shell plate is tightly attached to the outer side of outer layer film, and the wrapped shape of shell plate is fixed by a plurality of fasteners;S4, the remaining part of the required water medium is continuously added to the interlayer formed between the outer side of the inner layer film and the inner side of the outer layer film, and sealed.The realization medium ring width adjustable, reduce the film breakage condition occurs.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Combined structure for deepwater bearing platform construction

ActiveCN222648817UDecentralization smoothlyEasy to implementProtective foundationBulkheads/pilesRebarPipe
The utility model discloses a combined structure for deepwater bearing platform construction. The combined structure comprises a steel pipe pile, a carrying pole beam, a main beam, a suspender, a distribution beam, a limiting piece, a cofferdam structure and a concrete bottom sealing plate. The steel pipe piles are original foundations of the pile foundation construction steel platform and do not need to be inserted and driven again; the main beams and the distribution beams are self-designed truss beams and can better participate in stress. The cofferdam structure is combined by steel and wood, the peripheral steel template bears seawater pressure and wave force, and the central bottom wood template is easy to operate. The structure of the bottom sealing plate is optimized into a reinforced concrete plate with simple stress, so that the stress is more reasonable; through optimization of pouring of the bottom sealing plate, conventional uncontrollable underwater pouring is innovatively optimized into overwater pouring, the controllability of quality and safety is improved, and water pumping of a cofferdam structure and implementation of anti-floating anchor rods and limiting supports are facilitated by reserving a water collection pit, vertical channel steel and a U-shaped groove; the upper and lower limiting supports can weaken the influence of wave force and ensure smooth lowering.
Owner:CHINA CONSTR SIXTH ENG BUREAU CIVILENG +1

Relay transmission device, turnover conveyor thereof and relay transmission system

The invention relates to the technical field of transmission device equipment, and particularly discloses a relay transmission device, an overturning conveyor thereof and a relay transmission system. The relay transmission device comprises a main transmission part and an auxiliary transmission part; the main transmission part comprises a main transmission wheel set, the auxiliary transmission part comprises an auxiliary transmission wheel set, and the main transmission part and the auxiliary transmission part are in transmission connection through a transmission chain; a top adjusting sleeve piece and a bottom adjusting sleeve piece are arranged at the transition end, close to the auxiliary conveying part, of the main conveying part. A driving wheel, a containing wheel and a guiding wheel are sequentially arranged on the top adjusting sleeve piece and the bottom adjusting sleeve in the direction away from the transition end from the transition end. The relay transmission device has the beneficial effects that the relay transmission device can maintain the independent operation of the auxiliary transmission part on the basis of stopping the operation of the main transmission part, performs independent and accurate position adjustment on the relay parts retained on the auxiliary transmission part, and does not conflict with the relay parts on the main transmission part; and the relay processing precision and the processing qualification rate are improved.
Owner:ZHEJIANG DAMON TECH CO LTD

An underwater blasting electronic detonator leg bundling method and bundling device

The application discloses an underwater blasting electronic detonator leg wire bundling method and a bundling device. The bundling method comprises the following steps: lowering a guide pipe and drilling a hole; a through hole is arranged on the wall of the guide pipe, and a blast hole is formed after drilling; a cartridge and an electronic detonator are loaded in the blast hole along the guide pipe; a protective rope is used to bind the cartridge, one end of the protective rope extends out of the blast hole; the electronic detonator is connected with a leg wire extending out of the blast hole, the leg wire is bound on the protective rope through a waterproof adhesive tape; the guide pipe is removed, and the leg wire and the protective rope are taken out of the through hole; the leg wire is bundled; the leg wires of all blast holes are connected in parallel through a wire clamp at one end of a bus, the bus is bound on the protective rope through a waterproof adhesive tape, waterproof bags are arranged outside all wire clamps, and the waterproof bags are bound on a float, and the other end of the bus is connected with an initiator. The underwater blasting electronic detonator leg wire bundling method and the bundling device are efficient and reliable, can improve underwater charging efficiency, reduce the erosion of water flow on the leg wire of the detonator, and ensure the safety of underwater drilling blasting.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +1

Portable pin type soil moisture rapid monitoring device

The invention discloses a portable pin type rapid soil moisture monitoring device, and belongs to the technical field of soil moisture monitoring devices, the portable pin type rapid soil moisture monitoring device comprises a handheld box body, a mounting plate is arranged at the upper part of the interior of the handheld box body, a drill bit is fixed at the bottom of a rotating rod, and an empty groove is formed in the rotating rod. Therefore, after a drill bit is driven by a rotating rod to drill holes, a rotating disc at the bottom of a fixing ring makes contact with a supporting plate and is blocked, a sleeve stops descending, the rotating rod continues to descend under driving of a lifting mechanism, an H-shaped shifting fork and a shifting rod are pushed through relative displacement, soil breaking cutters are opened to be in an umbrella shape, and at the moment, the two sets of soil breaking cutters arranged in an umbrella shape abut against the inner wall of a soil hole; the inner wall of the hole and surrounding soil are scratched through rotation of the rotating rod, the scraping action can effectively enable loose soil and fine soil around the hole to fall off, the falling-off soil is filled in an empty drum area between broken stones in the hole, the soil can completely cover the detection head, and the accuracy of meteorological soil moisture monitoring data is improved.
Owner:NANJING YUNLAN FENGHUI TECH CO LTD

Vibration head type power guiding shoe

The invention belongs to the technical field of well cementation tools, and particularly relates to a vibration head type power guiding shoe which comprises a power assembly, a swing joint assembly and a vibration head assembly. According to the vibration head type power guiding shoe, liquid energy is converted into rotation and vibration force through flowing of internal drilling fluid, and the sleeve shoe head rotates and vibrates in a limited interval through the swing joint assembly and the vibration head assembly. Therefore, the reaming function is achieved, casing running operation and well wall finishing are better completed, and good preparation conditions are provided for well cementation operation.
Owner:SOUTHWEST PETROLEUM UNIV +2

Feeding device of silicon steel coil shearing machine

ActiveCN224208826UConvenient loading workReduce work intensityGear wheelClassical mechanics
The utility model relates to the technical field of silicon steel coil shearing machine feeding, and particularly discloses a silicon steel coil shearing machine feeding device which comprises a balance weight base, the top of the balance weight base is fixedly connected with a supporting seat, the top end of the surface of the supporting seat is fixedly connected with a stabilizing frame, and a receding groove is formed in the supporting seat. A first servo motor is fixedly connected to the top end of the surface of the supporting seat, a rotating rod is fixedly connected to the output end of a third servo motor, a clamping rod is fixedly connected to the output end of a first hydraulic telescopic rod, an electromagnet is fixedly connected to the output end of a second hydraulic telescopic rod, and a silicon steel coil is wound and connected to the surface of the winding roller. The winding roller, the electromagnet, the first hydraulic telescopic rod, the gear and the track shoe are matched for use, so that a silicon steel coil can be stably conveyed to the position of the cross cut shear for subsequent shearing work, the silicon steel coil on the winding roller can be replaced with a new winding roller in time after being put down, operation is simple and convenient, and the production efficiency is improved. And the labor intensity of workers is reduced.
Owner:SHANGHAI TONGLI ELECTRICIAN EQUIP FACTORY