15results about How to "Fast condensation" patented technology

The embodiment of the invention provides an oil mist absorption device and an external circulation oil system. The oil mist absorption device comprises a shell and a cooling pipe fitting. An oil mist cavity, an oil mist inlet and a breathing opening are formed in the shell, the oil mist inlet can be communicated with an oil tank, and the breathing opening is used for air intake and exhaust; the cooling pipe fitting is arranged in the shell, an oil mist flow channel is formed in the area between the cooling pipe fitting and the shell, and the cooling pipe fitting is used for cooling and condensing the oil mist in the oil mist flow channel. And the oil mist entering the oil mist cavity exchanges heat with the cooling pipe fitting in the shell, so that the condensation speed of the oil mist is greatly increased. Therefore, the oil mist absorption device provided by the embodiment of the invention has the advantages of preventing the oil mist from overflowing, reducing the cleaning frequency of the filter element and being long in service life.

The invention discloses a chip packaging device and packaging method, and belongs to the field of chip packaging. A chip packaging device comprises a packaging table, the top of an inner cavity of the packaging table is rotationally connected with a station rotating disc, four sets of packaging clamping grooves are formed in the station rotating disc at equal intervals, the middle of the inner cavity of the packaging table is fixedly connected with a mounting frame, the mounting frame penetrates out of a center empty groove of the station rotating disc, the mounting frame is slidably connected with a plastic packaging cylinder, and the plastic packaging cylinder is fixedly connected with the station rotating disc. The packaging structure further comprises a plastic packaging assembly which is arranged on the mounting rack and is used for carrying out plastic packaging on the chip in the packaging clamping groove; an exhaust assembly; the piston plate slides in the piston bin in a reciprocating manner, so that gas in the plastic package barrel is pumped away, the air pressure in the plastic package barrel is reduced, after an electromagnetic valve in the material blocking hopper is opened, under the action of the air pressure in a cavity in the upper portion of the plastic package barrel, plastic package slurry can rapidly cover and be compacted on the surface of a chip, and therefore the packaging effect is improved; and the protection effect on the chip is ensured.

The utility model discloses an intelligent data acquisition server which comprises a server cabinet body and an air supply fan fixedly connected to the right side of the server cabinet body. A clamping mechanism is arranged in the server cabinet body, the clamping mechanism comprises a sliding groove, a sliding plate and a threaded rod, and the sliding groove is formed in the lower side of the server cabinet body; a dehumidification structure is arranged on the upper portion of the inner side of the server cabinet body and comprises a refrigeration mechanism, a coiled pipe and a water collecting tank, and the refrigeration mechanism is fixedly installed on the upper side of the server cabinet body. According to the intelligent data acquisition server, the server box is clamped by the fixing plate and the threaded rod together, shaking of electronic components in the server box is reduced, hot air condensation speed can be increased through the coiled pipe, then hot air is gathered in the water collecting tank and prevented from dripping on the server box, the service life of the server box is not affected, the filter screen is easy to replace, and the service life of the server box is prolonged. And dust and other impurities entering the server cabinet body are reduced as much as possible.

The utility model is suitable for the technical field of paint mist collection, and provides a paint mist rebounding device for cleaning paint. The hollow guide seat is arranged on the collecting shell; the flexible part is arranged on the hollow guide seat; the binding rope is wound and bound on the peripheral side of the flexible part, and the binding rope is connected with a winding mechanism for driving the binding rope to automatically bind the flexible part; the rebound plate is mounted in the collecting shell through an elastic telescopic rod, and the rebound plate faces the hollow guide seat; the inner wall of the collecting shell is connected with a scraping mechanism for automatically cleaning the collecting shell; the device has a good collecting effect.

This invention discloses an intelligent design and preparation method for low-cement-content sprayable engineering cement-based low-carbon composite materials, belonging to the field of composite material mix design. The method includes: constructing a multi-objective genetic optimization intelligent framework integrating raw material performance and carbon emission data to collaboratively optimize mechanical properties, workability, and low-carbon targets during the design phase, achieving precise pre-control of carbon emissions. A synergistic reinforcement design using recycled PE fiber networks and multi-microporous slurry is employed, replacing cement and natural aggregates with a large amount of recycled sand, recycled micropowder, and fly ash, reducing cement content to 210-300 parts. While ensuring rapid hardening, high toughness, and good sprayable construction performance, the material's implicit carbon emissions are significantly reduced. The resulting composite material achieves a 28-day compressive strength of 50-65 MPa, with net carbon emissions approaching zero, making it suitable for green building and rapid engineering repair applications.

The invention discloses a capillary crystalline waterproof agent and a preparation method thereof, and relates to the technical field of concrete additives. The capillary crystalline waterproof agent comprises a base material and auxiliaries, the base material comprises sodium silicate, lithium silicate, copper silicate, ferrous sulfate, potassium bichromate and water, and the auxiliaries comprise graphene slurry, lauryl sodium sulfate, sodium toluate, anhydrous sodium citrate, lauryl alcohol polyoxyethylene ether sodium sulfate, coconut oil, sodium chloride and calcium chloride. The capillary crystalline waterproof agent is high in permeability, high in water pressure resistance and not prone to peeling and falling off.

The invention discloses a preparation method of a composite material for plugging water burst of a mine hole, and relates to the technical field of preparation of mine hole plugging materials, and the preparation method comprises the following steps: preparing raw materials, mixing dry materials, weighing the raw materials in parts by weight, and proportioning water added into the dry mixture; and constructing and maintaining. Water flow scouring can be effectively resisted, and rapid plugging is achieved; meanwhile, a large amount of fly ash and tailing slag industrial solid wastes are utilized, the raw material cost is remarkably reduced, and the method is green and environment-friendly; the overall performance adapts to complex geological conditions, and the plugging agent is particularly suitable for efficient and reliable plugging and filling of water bursting cracks, goaf and subsidence areas in projects such as mines and tunnels.

The present application relates to cement pole production technical field, especially to a kind of multifunctional integrated pole automatic production system, comprising: fixed mechanism, fixed mechanism is used to fix and hoist reinforcement cage;Mold closing mechanism, mold closing mechanism is located below fixed mechanism and is used to install mold, mold closing mechanism includes mold, is used to fixedly install mold closing assembly and is used to connect fixed mechanism and mold closing mechanism engagement assembly;Grouting mechanism, grouting mechanism is located at one end of mold closing mechanism and is used to carry out cement grouting in mold, grouting mechanism includes grouting assembly and dredging component;Centrifugal mechanism, centrifugal mechanism is used to carry out centrifugal initial setting to the mold that grouting has been completed, centrifugal mechanism includes driving mold rotation driving wheel and quick-drying component.

The invention is applied to the technical field of PCB cleaning water recycling, and particularly discloses PCB cleaning water recycling equipment which comprises a bottom plate, adjusting ground feet are installed on the outer surface of the bottom plate in a threaded mode, a liquid inlet box is fixedly installed on the outer surface of the bottom plate, and a flowing filtering mechanism is arranged between the liquid inlet box and an electric push rod. And through the flowing filtering mechanism, large floating objects and sundries injected into the cleaning water in the liquid inlet box can be cleaned and collected. According to the PCB cleaning water recycling equipment, when the cleaning water is discharged into the liquid inlet box, the cleaning water can flow along the inclined surface of the filter plate, so that large sundries and objects such as metal in the cleaning water can be filtered, washed and concentrated together, and an electric push rod is periodically started, so that a push plate can drive a sealing cover to move; and sundries, metals and other articles can be pushed out from the discharge port and enter the material receiving box, so that the cleaning water can be conveniently and preliminarily filtered, and useful metals can be conveniently collected and recycled.

The invention discloses a thermal insulation wall repairing material and a preparation method thereof. The thermal insulation wall repair material provided by the invention is prepared from the following components in parts by weight: 125 to 166 parts of modified overburnt magnesium oxide, 120 to 165 parts of ammonium dihydrogen phosphate, 72 to 105 parts of fly ash floating beads, 20 to 55 parts of water glass, 25 to 55 parts of steel slag powder, 18 to 40 parts of aluminum powder, 10 to 40 parts of alpha-semi-hydrated gypsum, 15 to 45 parts of xanthan gum and 185 to 286 parts of water. According to the invention, a surface modification technology, a polymer enhancement technology and the like are fused, so that the modified magnesium oxide particles have good fluidity and controllable coagulation time in a later hydration process, and the adhesive property of the material can be improved in the later stage; after the modified overburnt magnesium oxide is fully mixed with the ammonium dihydrogen phosphate, the mixed mineral admixture, the water glass and the foaming agent, the prepared thermal insulation wall repairing material has high permeability, high fluidity, high cohesiveness and operability, and meanwhile, the service life of a thermal insulation wall is prolonged.

The invention discloses a household intelligent healthy hydrolat humidifying device. The household intelligent healthy hydrolat humidifying device comprises a shell, a hydrolat extracting assembly and a humidifying and atomizing assembly. The hydrolat extraction assembly comprises a heating barrel, a steaming tray, a hydrolat cup, a heating element and a refrigerating element, the heating barrel is heated through the heating element located at the bottom of a heating bin, and aromatic plant essential oil is carried out through water vapor; water vapor carrying aromatic plant essential oil and coming from the interior of the heating barrel is collected through the collecting opening, the water vapor in the condensation pipe is condensed into a liquid state through temperature difference, pure dew is separated out and conveyed into the hydrolat cup, and extraction of the hydrolat is completed; the extracted hydrolat is absorbed through a water absorption cotton swab in the humidifying and atomizing assembly, is converted into mist through an atomizing piece located at the upper end of an atomizing support, and is discharged through a mist outlet in the surface of a cover. According to the device, hydrolats with different smells can be prepared for humidification according to self requirements, the device is easy to install, and the effects of miniaturization, energy conservation and environmental protection can be achieved.

This utility model discloses a quick-connect seepage prevention structure for waterstops in underpass structures at road-bridge junctions, including adjacent overlapping waterstop bodies, pressing components, and a cold-bonded seepage prevention layer. The advantages of this utility model are: (1) Improved connection strength: The composite seepage prevention structure with cold bonding and pressing ensures stability under water pressure and structural deformation force, and the cold-bonded seepage prevention layer improves the seepage prevention effect of the joint; when subjected to 1.2MPa water pressure and ±20% structural deformation, no structural damage or leakage will occur; (2) Excellent sealing performance: It fills the transverse and longitudinal gaps tightly, and the formed cold-bonded seepage prevention layer fills the gaps that will inevitably form between the lower waterstop and the upper waterstop, as well as between the waterstop and the concrete structure, reducing the risk of leakage and ensuring waterproofing and structural safety; (3) Convenient and efficient construction: The construction method is clear and easy to operate, and the material cools down quickly, ensuring the safety of the underpass structure at the road-bridge junction.

The utility model relates to the technical field of purification devices, and discloses a separation and purification device for preparing watermelon ketone, which comprises a rectifying tower, one end of an inlet pipe is fixedly mounted on the outer wall of the rectifying tower, a preheating device is fixedly mounted at the other end of the inlet pipe, and a protective shell is fixedly mounted on the outer wall of the inlet pipe. One end of an air inlet pipe and a supporting frame are fixedly mounted on the outer wall of the rectifying tower, a boiler is fixedly mounted at the other end of the air inlet pipe, and a collecting box is fixedly mounted at the top of the supporting frame. By starting a water pump, the water pump pumps out liquid in the water tank through an absorption pipe and discharges the liquid to a cooling through pipe, the liquid flows back to the interior of the water tank through the cooling through pipe, and the cooling liquid in the cooling through pipe cools steam from the interior of the condensation pipe through the end, located in the condensation pipe, of the cooling through pipe; and meanwhile, the outer wall of the condensation pipe is cooled through cooling liquid in the water tank, so that the condensation speed of steam in the condensation pipe is higher.

The present invention discloses a support device for a freeze dryer, which belongs to the field of drying technology and includes a base and a frame. The frame includes an annular plate and a center frame fixed to each other. The annular plate is provided with through-holes at annular intervals. Support members are fixed at the corresponding through-holes of the annular plate. The base includes a connecting pipe, a movable member and a seat. The connecting pipe is sleeved on the outside of the movable member and rotates relatively with the movable member through a transmission member. The movable member is used to drive the connecting pipe to swing back and forth. The movable member is fixed to the seat. The center frame and the connecting pipe are detachably connected. In the support device for the freeze dryer of the present invention, the material will condense solid ice inside in a swinging state. The swinging material can increase the speed of heat exchange with the surroundings, improve the condensation speed, and reduce the probability of the material being adhered to solid ice.

The application discloses a kind of ultrafast hard seawater mixing based on sodium-aluminum ratio geopolymer and its proportioning correction and preparation method.The material takes metakaolin-based geopolymer as base material, by mixing quartz sand, hardening agent, chloride ion curing agent, sulfate ion curing agent and different materials, and is prepared by using seawater mixing and curing.The application controls setting time by adjusting system sodium-aluminum ratio, and uses multi-component synergistic effect to cure erosive ions, finally realizes the design purpose of early strength fast hardening and erosion resistance of geopolymer.The proportioning correction method of the ultrafast hard seawater mixing based on sodium-aluminum ratio geopolymer of the application reversely corrects mix proportion according to setting time requirement, with adjustable setting time;The preparation method of the ultrafast hard seawater mixing based on sodium-aluminum ratio geopolymer of the application has simple operation steps, does not need high-temperature forming and curing, and can be widely applied to pouring, reinforcement and repair of offshore engineering or coastal structures.