16results about How to "Even settlement" patented technology

The utility model discloses a feeding position adjusting device of a coating machine, which comprises a vacuum coating machine shell, the inner wall of the top of the vacuum coating machine shell is rotatably connected with a placing bracket, the inner wall of the bottom of the vacuum coating machine shell is rotatably connected with a cold copper disc, the top of the cold copper disc is slotted for placing a crucible, and the top of the cold copper disc is provided with a feeding hole. A crucible is arranged in the vacuum coating machine shell, one side of the vacuum coating machine shell is fixedly connected with an electronic gun, the electronic gun is located on the side of the crucible, a material storage cavity is formed in the inner wall of one side of the vacuum coating machine shell, a raw material barrel is fixedly connected in the material storage cavity, one side of the raw material barrel is connected with a discharging pipe in an inserted mode, and a proportional valve is arranged on the discharging pipe. The placing support is driven by the first driving motor to rotate, so that the substrate is driven to rotate, raw materials are evenly settled on the surface of the substrate, meanwhile, the crucible is driven by the second driving motor to rotate, and various different film materials can be switched.

The invention discloses a construction waste roadbed construction method, and relates to the technical field of roadbed construction, the construction waste roadbed construction method comprises the following construction steps: A) construction preparation; b) substrate treatment; c) paving and leveling; d) sprinkling water and sealing the materials; e) rolling; f) roadbed construction quality inspection; g) subgrade handover acceptance; and before subgrade handover acceptance in the step G, the construction from the step C to the step F is repeated to form an embankment, so that the top of the subgrade which is subjected to layered filling and tamping is used for arranging a pavement. According to the construction method of the construction waste roadbed, the construction quality of the construction waste roadbed is guaranteed by controlling the construction waste roadbed rolling machine combination, the technological parameters, the compaction degree, the PFWD modulus and the rebound deflection value of a special layer, and a construction waste roadbed filling layer filler selection method is provided. Therefore, the safety and the stability of the construction waste roadbed structure including the road surface are protected.

The utility model discloses a building peripheral ground anti-settlement structure which comprises a bearing platform ground beam system, a brick moulding bed is arranged on the outer side of the bearing platform ground beam system, a landfill layer is arranged on the outer side of the brick moulding bed, a sealing layer is arranged on the front face of the brick moulding bed, a reinforcing steel bar layer is arranged above the sealing layer, and the reinforcing steel bar layer is arranged above the sealing layer. A gap is formed between the brick forming die and the bearing platform ground beam system, and a cavity is formed in the inner side of the brick forming die. The utility model relates to the technical field of ground settlement prevention, through the cooperation among a bearing platform ground beam system, a brick moulding bed and a convex block, the structure enables a concrete ground to be separated from a bearing platform and a ground beam, and enables the concrete ground at the position and the concrete ground in the middle to uniformly settle together.

The invention belongs to the technical field of aluminum foils for soft food packages, and provides a preparation method of an aluminum foil for soft food packages, which comprises the following preparation steps: S1, smelting an aluminum ingot to obtain molten aluminum, degassing, slagging off and standing the molten aluminum, filtering, and adding titanium powder and a fluxing agent to obtain molten aluminum; s2, Fe3O4 is added into the molten aluminum, heating and stirring treatment is conducted firstly, then precipitation and cast rolling treatment are conducted after gradient cooling, and a cast-rolled plate is obtained; s3, the cast-rolled plate is subjected to cold rolling for the first time, and a formed aluminum foil blank is obtained; s4, the aluminum foil blank is subjected to annealing treatment, second-time cold rolling is carried out during annealing, and third-time cold rolling is carried out after annealing; and S5, the aluminum foil blank subjected to third-time cold rolling is subjected to withdrawal, straightening and cleaning, then a rolling agent is sprayed for foil rolling treatment, and the aluminum foil for the food soft package is obtained after aftertreatment. The aluminum foil for the food soft package, which is prepared by the method, has a small number of pinholes, can be ensured to have good mechanical properties, and can also be suitable for being stably compounded with polypropylene.

The present application belongs to the technical field of circulating solar power generation, and particularly relates to a supercritical carbon dioxide heat conversion device with pseudo-boiling state heat-carrying particles. The device comprises a shell inlet and a shell outlet arranged at the upper and lower ends of a shell body for the heat-carrying particles to enter and exit the shell body, and a heat exchange core formed by a heat exchange pipe and a circulating gas pipe wound on a central air duct. The heat exchange pipe is connected to a supercritical carbon dioxide circulating device outside the shell body, and the circulating gas pipe is connected to an air inlet device outside the shell body. The pipe wall of the circulating gas pipe is provided with air outlet holes for uniformly supplying air to the heat exchange core. The central air duct is provided with air inlet holes for receiving and discharging the circulating air blown from the air outlet holes to the heat exchange space. When the heat-carrying particles enter the gap of the heat exchange core, the heat-carrying particles are simultaneously subjected to the action of gravity and buoyancy, and form pseudo-boiling motion under the action of air flow, thereby significantly improving the heat exchange efficiency with the heat exchange pipe. Meanwhile, the falling speed of the heat-carrying particles is slowed down, and the heat exchange time is prolonged.

The present invention provides a polyamic acid film, a rod-shaped silver powder / polyimide composite film and a preparation method thereof, and relates to the field of antistatic materials. The preparation method first prepares a polyamic acid solution and a first silver powder, and then successively coats the first silver powder with vinyl triacetoxysilane and 12-hydroxystearic acid to obtain a second silver powder; finally, the second silver powder is added to the aforementioned polyamic acid solution, a film is formed by a casting method, and then heat-treated to obtain a polyamic acid film with processability. The film is treated in a vacuum environment of 280-300°C for 4-5h to obtain a rod-shaped silver powder / polyimide composite film, the bottom of the composite film is uniformly precipitated and enriched with rod-shaped silver powder, and the silver powders overlap each other to form a three-dimensional mesh conductive structure, so that the upper and lower surfaces of the film have different surface resistances, and the composite film can be applied to electrostatic dissipation or electrostatic conduction according to the surface resistance of the silver powder enriched surface.

The invention relates to a targeted recovery method for residual ores in a covering layer of a caving method stope, which comprises the following steps: step 1, a residual ore area identification stage: combining an original ore body model, mining design data and ore removal grade records, and constructing a residual ore target area model through historical ore removal statistical data of each stage, the method comprises the following steps: (1) deducing a possible residual ore enrichment area, (2) a recovery engineering arrangement stage, (3) a target area flow regulation stage and (4) a dynamic ore drawing management stage. According to the technical scheme, accurate recognition and targeted recovery of the covering layer residual mine area are achieved through combination of ore drawing management and the bulk flow model, the loss rate is remarkably reduced, the quantity of extracted resources is increased, and economic benefits are improved.

This invention provides a bridge pier foundation pit filling structure and construction method using L-shaped foamed concrete blocks, belonging to the field of road and bridge engineering construction technology. It includes: a foundation pit, at least one pile foundation, a pile cap, a bridge pier, and a filling structure; at least one pile foundation is located within the foundation pit; the bottom surface of the pile cap is connected to the top surface of the pile foundation; the bridge pier is connected to the top surface of the pile cap; this device fills the foundation pit by using an interlocking, layered, and overlapping method to fill the pit with L-shaped foamed concrete blocks, combined with a method of filling joints with cast-in-place foamed concrete. This strengthens the strength and integrity of the foundation pit filling material between the pile cap group and the bridge pier group, and utilizes the properties of foamed concrete to reduce the pressure of the backfill soil in the foundation pit, thus reducing the problems of bridge pier settlement and uneven settlement between bridge pier groups.

The utility model discloses a filling-free building foundation structure for a transformer substation in a mountainous area. The filling-free building foundation structure comprises a frame column foundation, a frame column, a beam and slab structure, a building foundation and an equipment foundation, the frame column foundations are longitudinally and transversely arranged on the original natural slope, and the bottoms of the column foundations extend to a bearing stratum below the original natural slope; the frame columns are poured on the frame column foundations, the frame columns and the transverse main frame beams form transverse main frames, and the transverse main frames are arranged at the same interval in the longitudinal direction as the interval between a transformer substation outgoing line framework and a bus framework; the beam plate structure is poured at the top of the frame column; and the structure foundation, the equipment foundation and the beam-slab structure are integrally poured and formed. The frame column foundations, the frame columns, the beam and slab structures, the building foundations, the framework foundations and the equipment foundations form an integral foundation structure, and the foundation structure has the advantages of being good in integrity, high in anti-pulling and anti-overturning capacity and relatively uniform in settlement, greatly reducing the earth cutting and backfilling amount, and omitting filling slope supporting structures, building foundations and foundation treatment.

The invention relates to the technical field of coal mining, in particular to a roof-cutting roadway-forming goaf carbon dioxide sequestration method which comprises the following steps: performing roof presplitting in a certain range in front of a mining working face in a blasting manner to form a kerf; a gangue blocking support is arranged at the position close to a mining working face for gangue blocking support, grouting holes are drilled in a top plate of a mining roadway after goaf caving gangue is compacted and stabilized, entry retaining gangue is grouted to form a gangue filling wall so as to block the goaf, and the gangue blocking support is dismantled along with solidification in a grouting area; and after mining is completed, the main roadway protection coal pillars, the boundary coal pillars and the formed gangue filling wall form a closed space, and carbon dioxide is injected into the goaf of the upper mining working face from the ground for sealing. In addition, due to the fact that a large amount of carbon dioxide is injected into the goaf, the risks of spontaneous combustion of residual coal in the goaf and gas explosion in the goaf can be greatly eradicated.

The utility model discloses an asphalt mixture density measuring device, a feeding mechanism comprises a bottom plate, the two sides of the top of the bottom plate are fixedly connected with supporting rods, the tops of the two supporting rods are fixedly connected with a supporting frame together, the upper end of the inner side of the supporting frame is rotatably connected with a rotating disc, and the rotating disc is fixedly connected with the bottom plate. Lifting rods are symmetrically and slidably connected to the top face of the rotary disc, the tops of the two lifting rods are jointly and fixedly connected with a supporting ring, supporting springs are further fixedly connected to the two sides of the bottom face of the supporting ring, the bottoms of the two supporting springs are fixedly connected with the top of the rotary disc, and the middle of the top face of the supporting ring is further fixedly connected with a weight sensor. The container main body is supported above the supporting ring with the weight sensor, so that the asphalt mixture can be conveniently weighed, the asphalt mixture can be put into the container main body step by step in batches, and the supporting ring and the container main body are vibrated up and down between the intermittent putting steps, so that the asphalt mixture is assisted to uniformly settle.

The high-energy-efficiency COB light source structure comprises a substrate, a light source area is arranged on the upper surface of the substrate, a plurality of LED chips are arranged in the light source area of the substrate, a circle of box dam rubber ring surrounding the light source area is arranged on the upper surface of the substrate, and a plurality of fluorescent powder rubber layers are laid in the light source area of the substrate. The LED chips are arranged on the substrate, the fluorescent powder glue layer located at the bottommost layer wraps the LED chips, the difference value of the fluorescent powder emission wavelengths of every two adjacent fluorescent powder glue layers is larger than or equal to 50 nm, and the method at least comprises the following steps that a plurality of LED chips are welded in a light source area on the upper surface of the substrate, and a circle of box dam glue ring surrounding the light source area is arranged on the upper surface of the substrate; dispensing first fluorescent powder glue at the light source area of the substrate; rapidly settling fluorescent powder in the first fluorescent powder glue to the bottom of the first fluorescent powder glue by adopting a centrifugal process; dispensing second fluorescent powder glue at the light source area of the substrate; rapidly settling fluorescent powder in the second fluorescent powder glue to the bottom of the second fluorescent powder glue by adopting a centrifugal process; and high-temperature baking.

The utility model belongs to the technical field of waste gas treatment, and discloses an organic waste gas biochemical treatment device which comprises a round tank, a motor is fixedly mounted in the round tank, a disc is fixedly mounted on the top surface of the motor, a vertical tank is fixedly mounted on one side of the top surface of the round tank, and the bottom of the vertical tank is communicated with the round tank. A gas conveying opening is formed in the middle of the vertical tank, a lifting pump is fixedly installed on the other side of the top face of the round tank, and a suction inlet of the lifting pump penetrates through the round tank to be located above the disc. The problem that sludge below cannot be fully utilized due to accumulation of a large amount of sludge at the same position is avoided.

The invention relates to a spiral-flow type anaerobic reactor which comprises a tower body and a three-phase separator, wastewater uniformly rises in the tower body and passes through the three-phase separator, bubbles with sludge in the wastewater impact guide vanes, the sludge is precipitated downwards, and due to the fact that the included angle between the blade surface of each guide vane and the horizontal plane is larger than 0, the spiral-flow type anaerobic reactor has guidance quality; water flow flows along the guide vanes to form rising rotational flow in the tower body, sludge rapidly rotates along with the water flow, and due to the action of centrifugal force, part of the sludge entering the upper layer area along the water flow gathers towards the first opening in the center of the rotational flow, is guided to enter the sludge guide part and settles into the lower layer area in the tower body to complete settling. Clear water and gas are diffused all around, rise to the upper layer area in the tower body and overflow out of the tower body through the water outlet, the flow state in the tower is in an ascending rotational flow state by arranging the mud guide part and the guide vanes, the flow speed is high, the bubble impact area is increased, and the separation effect of the three-phase separator is enhanced. When water in the anaerobic reactor overflows to the water outlet, the entrained sludge amount is small, and the working efficiency of the anaerobic reactor is improved.

The utility model provides a biodiesel alkali washing and water washing deacidification device which comprises a heat preservation kettle which is of a clamp-shaped structure with a wide upper part and a narrow lower part and is gradually folded at a discharge port; the high-temperature circulating all-in-one machine is arranged on one side of the heat preservation kettle and is used for providing and maintaining a high-temperature environment required by the heat preservation kettle; the temperature control heater is arranged at the top end of the heat preservation kettle and is used for controlling and maintaining the temperature of the washing solution; the spraying device is communicated with the temperature control heater through a connecting pipe, so that the alkali liquor or the aqueous solution is uniformly sprayed into the biodiesel. The device is simple in structure, equipment is relatively integrated, the requirements of spraying, spraying object heating and on-line splitting of materials after standing and layering are met at the same time, and the process efficiency is improved.

The invention relates to the field of civil engineering, in particular to a garage fertilizer groove waterproof remediation structure which comprises a coarse sand hydrophobic layer, a cushion layer, a gravel hydrophobic layer, a pebble hydrophobic layer, a seepage and drainage pipe, permeable geotextile, a rigid waterproof layer, a slope making layer, a hydrophobic plate, a concrete guide wall, a seepage and overflow drainage well, a concrete plate and a cover plate. Plain soil in the peripheral range of the coarse sand hydrophobic layer and the gravel hydrophobic layer is tamped to form a plain soil layer, the coarse sand hydrophobic layer is arranged on the plain soil layer, the cushion layer is arranged between the coarse sand hydrophobic layer and the gravel hydrophobic layer, the water seepage and drainage pipe is arranged on the inner side of the gravel hydrophobic layer, and the concrete slab is arranged on the gravel hydrophobic layer. The waterproof and drainage remedy structure for the fertilizer groove of the garage is simple in structure, convenient to construct, low in construction cost, capable of being independently additionally arranged according to actual conditions, high in flexibility and capable of fundamentally solving the technical problem of water seepage of the fertilizer groove of the garage.