86results about How to "Prevent Consolidation" patented technology

Host system data files are written directly to a large erase block flash memory system with a unique identification of each file and offsets of data within the file but without the use of any intermediate logical addresses or a virtual address space for the memory. Directory information of where the files are stored in the memory is maintained within the memory system by its controller, rather than by the host.

The invention discloses wall-adhesion-preventing building material-mixing equipment. The wall-adhesion-preventing building material-mixing equipment comprises a material-mixing container, wherein a stirring portion is arranged in the material-mixing container; and a discharging valve is arranged on the bottom of the material-mixing container. Spiral stirring shafts carry out revolution and rotation around a spindle, because the screwing directions of blades of the two spiral stirring shafts are opposite, one spiral stirring shaft drives material to ascend while the other spiral stirring shaftdrives the material to descend, and thus, the stirring uniformity is improved; a cross-shaped pressure lever rotates, a curved bar is extruded intermittently by an inclined plane on the cross-shaped pressure lever, the curved bar is driven to swing in a reciprocating manner, and a ball hammer on the curved bar continuously beats the wall of a stirring barrel to prevent powder from being solidifiedon the inner wall of the stirring barrel; and discharging is facilitated, a screw rotates to drive a wedge-shaped cover to move horizontally, at the moment, a wedge-shaped discharging tube and a wedge-shaped cover are staggered from each other, materials flow out from a gap, the screw rotates reversely, the wedge-shaped discharging tube and the wedge-shaped cover are closed to seal the gap, opening and closing are facilitated, pressuring force is large, and the sealing property is good.

The invention belongs to the field of road equipment, and particularly discloses a road repairing and breaking device. The road repairing and breaking device comprises a cart body, a breaking mechanism, a dust collection pump and a pouring mechanism, wherein the breaking mechanism, the dust collection pump and the pouring mechanism are located in the cart body; a lever is arranged in the cart body, the dust collection pump and the pouring mechanism are fixedly connected to the two ends of the level respectively, an elastic piece is fixedly connected to the bottom of the level on one side of the dust collection pump, the dust collection pump is communicated with a sucker for absorbing road gravel particles, the sucker penetrates through the bottom of the cart body, and a sucker opening faces the lower portion of the cart body; the pouring mechanism comprises a discharging hopper containing padding, the side wall, towards one side of the dust collection pump, of the discharging hopper iscommunicated with a discharging pipe, and the discharging pipe penetrates through the bottom of the cart body to face the lower portion of the cart body. After the technical scheme is adopted, the road repairing and breaking device can automatically pour padding into road surface cracks in the road repairing process.

The invention discloses a device assembly for horizontal well temporary well plugging operation through coiled tubings and a use method. According to the main points of the technical scheme, the device assembly comprises a coiled tubing vehicle, and a single-machine well cementation vehicle or a double-machine well cementation vehicle. The coiled tubing vehicle comprises a vehicle head, a control cabinet, a power system, a roller, the 2-inch coiled tubing, the 2.375-inch coiled tubing, an injection head and corresponding parts, wherein the injection head and the corresponding parts are connected to the 2.375-inch coiled tubing. The single-machine well cementation vehicle or the double-machine well cementation vehicle comprises a vehicle head, a power system, an instrument control system and a metering liquid tank. The coiled tubing vehicle is matched with the single-machine well cementation vehicle or the double-machine well cementation vehicle for the temporary well plugging operation process including the steps of well tripping, bridge plug running, continuous cement plug injection and reverse circulation well flushing. By adoption of the device assembly and the use method, one-time continuous cement plug injection (the vertical thickness is larger than 200 m, and the along hole depth length is larger than 300 m) for a horizontal well can be achieved, the construction period is greatly shortened, the process complexity degree is lowered, the well control safety risk is reduced, and operation cost is saved.

The invention discloses an ultralow-frequency resin tapping method. The method includes the following steps that a shaved face is made in advance; a middle groove is formed; a resin guiding device and a resin receiving device are installed, namely, the resin guiding device and a resin receiving bag are installed at the tail end of the middle groove; the top of the middle groove is cut towards the left and right sides in an upward inclined mode to form a first pair of cut grooves respectively; afterwards, every 12-20 days, a trunk continues to be cut from top to bottom in sequence from the lower edges of the tapping cut grooves formed last time; a resin accelerator is sprayed on cutting faces; the part between the tops of the first pair of cut grooves and the upper portion of the resin receiving bag is covered with a film in a closed mode. The method has the advantages that the tapping frequency is reduced, the tapping period is prolonged, and the resin tapping time limit of each pine reaches above 30 years; meanwhile, the quality of resin is improved, the impurity removal process is omitted for subsequent processing of resin, and therefore the subsequent processing cost is lowered.

The invention discloses a construction technology and equipment for a cement mixing pile. The construction technology comprises the steps that when the hollow pile section is constructed, clear water is ejected from a grout ejecting opening, the clear water is also ejected by the grout ejecting opening in the first sinking process of the solid pile section, a mixing head is lifted and sunk for many times in the lifting process of the solid pile section, and cement grout is ejected from the grout ejecting opening. According to the construction technology for the cement mixing pile, the cement is distributed in the solid pile section uniformly, and the cement grout is combined with soil body in the solid pile section, so that the pile forming quality of the solid pile section is guaranteed, waste of the cement grout is avoided, and follow-up digging work of the hollow pile section is convenient.

The invention discloses a concrete mixer for construction, which comprises a cylinder body, a linkage shaft, a stirring drive device, a humidity controller and a temperature controller. There is a feed inlet, and a feed hopper is fixedly installed on the feed inlet. The linkage shaft passes through the cylinder body and is fixedly installed on the top of the cylinder body. An insulation layer is fixedly installed outside the outer surface of the cylinder body. There is an isolation layer, and a hanging plate is fixedly installed on the top of the cylinder. The hanging plate is a symmetrical distribution structure and is independently separated in the middle of the hanging plate. There is a suspension bar, and the combination of the humidity controller and the temperature controller forms an integral structure and is fixedly installed on the suspension bar. The invention overcomes the defects that the traditional stirring drive device supplies water regularly and quantitatively, and cannot control temperature and real-time adjustment, thereby improving the applicable surface and functionality of the stirring drive device.

The invention relates to a method for improving full-section muck in a silt soil layer during construction of a contact channel pipe jacking machine. The method comprises the following steps of: S1, determining a muck improver; S2, performing an indoor test; S3, mixing the muck improver on site; and S4, performing site construction. The method has the beneficial effects that the muck is improved by adopting a bentonite improver (a bentonite solution and a high-molecular flocculant), a high-molecular polymer solution has relatively high adhesion and can well absorb soil moisture, and the permeability coefficient of the muck is changed through cutter head cutting and screw machine stirring, so that the muck is fully improved. The improved muck is not easy to gush and cake, the permeability of the muck in a soil bin is effectively reduced, and the gushing is further inhibited, so that shield tunneling is smooth and efficient, the shutdown time is shortened, the muck in a screw machine is prevented from being solidified, and the construction safety and smoothness are guaranteed.

The invention discloses a casting device for a box body type casting of a refrigerator liner mold. The casting device comprises a feed bin which is of a hollow structure; stirring paddles are vertically installed inside the hollow structure; the inner walls of the two sides of the feed bin are each provided with a heating plate; four supporting columns are arranged at the lower end of the feed bin; a part, between the supporting columns, of the feed bin is provided with a material charging hole; a hooping device is arranged at one side of the material charging hole; the hooping device comprises a rotating shaft; the rotating shaft is fixedly installed at one side of the material charging hole and is connected with a first hooping arc and a second hooping arc. The casting device disclosed by the invention is provided with the feed bin so that casting materials are remained inside the feed bin and are uniformly stirred to release air, and thus generation of air bubbles inside a finished product after casting formation is ended can be prevented; casting parts are movably installed inside a casting bin, and a feeding hole communicates with the material charging hole through the hooping device so that the cast parts can be changed by replacing the casting parts, and thus the production cost of a manufacturer can be lowered.

The invention discloses a heat accumulating type intelligent warm air blower. The heat accumulating type intelligent warm air blower comprises a shell, air outlets and air inlets in the shell, and a cross-flow fan which is positioned inside the shell and communicates with the air outlets, and is characterized by further comprising a heat accumulator, wherein the heat accumulator is arranged inside the shell; and an air flow layer is arranged between the heat accumulator and the shell. The heat accumulating type intelligent warm air blower has the effects that 1) the heat accumulator is arranged, so that the heat accumulating type intelligent warm air blower has the beneficial effects of firstly accumulating heat and releasing heat at other periods through accumulated heat; 2) when a heat accumulation medium in the heat accumulator is water, a cover of a water inlet can be opened, and the environment can be humidified through water vapor; 3) an intelligent temperature controller is arranged, so that the temperature of the heat accumulator and the temperature of the environment can be monitored, and heating of the heat accumulator is intelligently controlled to be started or stopped; 4) auxiliary heating coils are arranged, so that the heat supply effect is strengthened; and 5) the structure is simple, and popularization is easy.

A method for preparing titanium powder relates to a method for producing metal powder, in particular a method for preparing titanium metal powder by using a dynamic hydrogenation dehydrogenation process. It is characterized in that the whole process of its preparation is carried out in a furnace body with the functions of air extraction, air filling, heating and rotation. During the preparation, the furnace is heated to 450°C to start the hydrogenation reaction in the furnace, and the furnace body is rotated so that The hydrogenated titanium layer formed on the surface of the titanium block collides with the steel ball and the titanium block, and is broken and separated until the hydrogenated sponge titanium is broken into powder; the hydrogenation and crushing process is completed, stop the rotating furnace body, and vacuumize the furnace body to make the vacuum less than 5×10-2Pa Afterwards, the temperature is raised to 600-850°C to dehydrogenate the titanium hydride powder, and finally obtain titanium powder. The method of the present invention directly carries out the processes of hydrogenation, crushing, dehydrogenation and crushing continuously in the dynamic hydrogenation dehydrogenation equipment without separating several processes independently, thereby producing high-quality and low-cost titanium powder.

The invention discloses a building cement transport vehicle capable of preventing cement solidification. The vehicle comprises a working box and a supporting block located on the lower cavity wall ofthe right side of the working box, a rectangular cavity with a downward opening is formed in the supporting block, a fixing device capable of supporting the vehicle is fixedly arranged in the rectangular cavity, and the fixing device comprises a supporting plate capable of abutting against the ground to play a supporting role. The building cement transport vehicle is cement transportation equipment. A moving device can be started when cement is transported, so the labor force of conveying personnel is liberated, and the transport efficiency is greatly increased; by means of a supporting device, the vehicle can stably stay on the ground with different gradients; a stirring roller can intermittently rotate to prevent cement in the vehicle from being solidified; and a closing plate can closea working cavity in the conveying process, so the cement on the upper surface of the working cavity is prevented from making contact with outside air.

The invention discloses a movable solid-liquid feed mixing and stirring machine. The mixing and stirring machine comprises a movable base and a stirring tank arranged on the movable base; the top endof the stirring tank is fixedly connected with a liquid tank; the bottom of the liquid tank is provided with a plurality of sprinkler heads; the top of the liquid tank is provided with a liquid feed inlet; the liquid tank is connected with a water supply pipeline, the water supply pipeline is connected with a water supply branch, and the water supply branch is fixedly connected to the side wall ofthe stirring tank; an electric heating device is arranged at a water inlet of the water supply pipeline; a granular powder feed box is further fixedly connected to the side wall of the stirring tank,a granular powder feed inlet is formed in the top of the granular powder feed box, and the granular powder feed box is connected with an air blowing pipeline and connected with an air blower throughthe air blowing pipeline; a rotating shaft is arranged in the stirring tank, and a spiral conical auger is arranged on the rotating shaft. The movable solid-liquid feed mixing stirrer provided by theinvention is simple in structure, convenient to use, more uniform and sufficient in stirring and high in stirring efficiency.

Described is a system for weakening traumatic memories using transcranially-applied electro-stimulation. The system uses a recording of spatiotemporally distributed brain activity of a human subject experiencing a traumatic memory to generate a traumatic pattern. Additionally, the system uses a recording of spatiotemporally distributed brain activity of the human subject experiencing a non-traumatic memory to generate an antidote pattern. A required transcranially-applied electro-stimulation is determined to recreate the antidote pattern to block consolidation and reconsolidation of the traumatic memory in the human subject.

The invention provides intelligent construction equipment for pile foundations. The intelligent construction equipment comprises a pile frame. A drill rod is arranged on the pile frame. A power deviceis arranged at the top of the drill rod. According to the scheme, a drill rod speed measuring scheme is improved, a speed measuring steel wire rope is directly connected with the power device, the speed of the drill rod can be directly obtained, and the speed of the speed measuring steel wire rope can be directly obtained by a fixed pulley, so that pulley speed measuring is free of error and timedifference, and speed measuring is timely, accurate and reliable. An automatic drill rod washing device is additionally arranged. After construction, the drill rod can be washed, cement consolidationis effectively prevented, the washing process is carried out in a fully automatic manner, and time and labor are saved. All operations can be visually implemented on a touch screen, the performance is stable, the construction efficiency is high, and safety and reliability are realized.

The invention provides an external sealing structure for a tunnel heading machine. Filled grout channeling to a cutterhead of the heading machine is effectively avoided, and the tunneling efficiency of the tunnel heading machine is ensured. The external sealing structure is arranged at the tail part of a steel shell of the tunnel heading machine, a tunnel lining structure extends a certain distance into the tail part of the steel shell, an annular gap between the peripheral wall of the tunnel lining structure and the newly-excavated tunnel wall after excavation of a tunnel is filled with the grout, and the external sealing structure has the characteristics that outer annular spring steel plates are fixedly arranged on the positions, on the peripheral wall, of the tail end of the steel shell, one or more outer-layer annular wire brushes with the tail ends being in contact with the newly-excavated tunnel wall after excavation of the tunnel are fixedly arranged on the positions, on the peripheral wall of the steel shell, behind the outer annular spring steel plates, sealing grease is injected into an outer annular cavity between the outer annular spring steel plates and the outer-layer annular wire brushes as well as between every adjacent outer-layer annular wire brushes to form sealing, and the grout is prevented from channeling into the gap between the peripheral wall of the steel shell and the newly-excavated tunnel wall after excavation of the tunnel.

The invention discloses a pipe column and a method used for layered chemical sand prevention. The pipe column comprises an upper layer filling assembly, an interlayer packer and a lower layer filling assembly which are connected in sequence from top to bottom; the upper end of the upper layer filling assembly is connected with an upper connector; the lower end of the lower layer filling assembly is connected with a lower connector; the upper layer filling assembly comprises an upper inner sliding sleeve and an upper outer sliding sleeve which are arranged in an internal-external sleeving mode; the lower end of the upper inner sliding sleeve is connected with an upper inner pressure spring; the upper end of the upper outer sliding sleeve is connected with an upper outer pressure spring; and an upper layer filling channel is formed between the upper inner sliding sleeve and the upper outer sliding sleeve. The lower layer filling assembly comprises a lower inner pipe and a lower outer sliding sleeve which are arranged in an internal-external sleeving mode; the lower end of the lower outer sliding sleeve is connected with a lower outer pressure spring; and a lower layer filling channel is formed between the lower inner pipe and the lower outer sliding sleeve. Layered sand consolidating agent injection of the immovable pipe column can be achieved, and the immovable pipe column can completely conduct reverse well washing at any time according to the needs, so that a sand consolidating agent is prevented from being regurgitated and solidified in the well.