24results about How to "Fast condensation" patented technology

The invention discloses a waterproof coating performance detection device and method, and belongs to the field of waterproof coating detection. A waterproof coating performance detection device comprises a detection box and further comprises a mounting plate sliding in the vertical direction of the detection box, a detection disc is placed on the mounting plate, a clamping part for clamping and fixing the detection disc is arranged in the detection box, and a detection part for measuring the anti-permeability performance of a coating is arranged at the bottom of the mounting plate; the driving shaft is rotationally connected into the detection box, the bottom end of the driving shaft is fixedly connected with a spraying box, and a feeding part for conveying a detection medium into the spraying box is arranged at the top of the detection box. The spraying box is driven by the driving shaft to rotate, so that waterproof paint is uniformly sprayed in the detection disc, and the movable coating plate extends out in cooperation with the gravity extrusion effect of the waterproof paint on the sliding plate, so that the waterproof coating is scraped, the uniform and compact waterproof coating is formed in the detection disc, and the detection effect is effectively improved.

The invention discloses a high-performance double-slurry quick-setting grouting material and a preparation method thereof, and belongs to the field of building materials, the high-performance double-slurry quick-setting grouting material comprises a component A and a component B. The component A is base slurry, and the component B is a performance regulator of the component A; the component A is prepared from the following components in parts by weight: 30 to 35 parts of methacrylic anhydride gelatin modified sulphoaluminate cement, 5 to 8 parts of calcium powder, 0.25 to 0.45 part of lanthanum cerium oxide, 0.5 to 0.8 part of amino acid type surface activity exciting agent, 1 to 1.5 parts of polycarboxylic acid water reducing agent and water, and the water-cement ratio of the water to the modified sulphoaluminate cement is 0.35 to 0.45; and the component B is prepared from the following components: hydroxyethyl cellulose acrylamide modified bentonite, N-vinyl pyrrolidone / methacrylic acid / 2-hydroxy-3-methacryloyloxypropyl trimethyl ammonium chloride terpolymer, a double initiator, a cross-linking agent and deionized water. The bonding strength of the whole system of the grouting material can be enhanced, and the mechanical strength of the grouting material can also be improved.

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 invention belongs to the technical field of bridge deck pavement materials, and provides a quick-hardening cement-based bridge deck pavement material and a preparation method thereof. The quick-hardening cement-based bridge deck pavement material is prepared from the following components in specific parts by mass: sulphoaluminate cement, Portland cement, aggregate, fibers, a mineral admixture, an early strength agent, redispersible latex powder, an additive, a thickening time control agent and water. The bridge deck pavement material disclosed by the invention has good quick-hardening and early-strength performance, high bearing capacity within a short time and good bonding performance; the bridge deck pavement material is excellent in workability and good in early and long-term compressive strength, breaking strength and crack resistance, the service life of concrete is prolonged, and the maintenance cost of the bridge deck is reduced; the repairing agent is used for repairing a bridge deck pavement material, and can quickly recover traffic and reduce the influence on traffic passage.

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 utility model relates to the field of sewage treatment, in particular to sewage treatment equipment for environmental protection. The sewage treatment equipment for environmental protection comprises a foot stool, a water tank, screens, a sundry outlet and a sedimentation tank, the water tank is mounted on the left side of the upper part of the foot stool, at least one screen for filtering sewage is connected to the right side in the water tank, the sundry outlet is mounted on the front side of the right part of the water tank, and the sedimentation tank is mounted on the right side of the upper part of the foot stool. By arranging the motor, the stirring rod, the water outlet and the like, the motor is started to enable the stirring rod to rotate so as to stir sewage and a flocculating agent in the sedimentation tank, so that the sewage and the flocculating agent are fully mixed, the condensation speed of suspended particles in the sewage is accelerated, and the suspended particles are quickly precipitated and are carried by the sewage to be discharged into the precipitation separation barrel through the water outlet; the precipitation separation barrel is used for filtering the sewage, and suspended particles stay in the precipitation separation barrel, so that the purpose of quickly separating the suspended particles in the sewage is achieved, and the sewage treatment efficiency is improved.

The condenser comprises a distillation box, a collection box, a flow guide mechanism, a supporting frame, an air cooling mechanism and a condensation mechanism, the collection box is arranged on the left side of the distillation box, the flow guide mechanism is installed at the top of the distillation box, the lower end of the flow guide mechanism is inserted into the collection box, and the supporting frame is fixed to the top of the collection box. An air cooling mechanism is installed at the top of the supporting frame, and the flow guide mechanism is connected with the condensation mechanism. According to the utility model, toluene steam is shunted to reduce the concentration of heat, and then the toluene steam is cooled and condensed through air cooling and cold water simultaneously, so that the condensation speed is higher.

The purification equipment comprises a box body, a distillation box is arranged on the inner side of the box body, an adjusting opening is formed in the upper portion of the distillation box, the outer side of the adjusting opening is connected with the box body, the adjusting opening slides in the box body, a feeding opening is formed in the upper portion of the box body, the outer side of the feeding opening is connected with the box body, the feeding opening slides in the box body, and the inner side of the adjusting opening is connected with a first pipeline; the adjusting opening slides outside the first pipeline, the lower portion of the second bifurcated pipe is connected with a second pipeline, and the lower portion of the second pipeline penetrates through the box body to be connected with an ethanol collecting box. Ethanol is heated and purified, ethanol with the mass fraction of 92.4% can be obtained through a rectification method, separation is conducted through the boiling point difference of ethanol and water in rectification, absolute ethyl alcohol is obtained through an azeotropic rectification method, and ethanol purification is achieved. Ethanol gas flowing through the first pipeline enters the two condensers in a split-flow mode through the first bifurcated pipe, the ethanol gas is subjected to split-flow condensation, the condensation effect is better, and the condensation speed is high.

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.

A building external wall panel production mold convenient to demold comprises a pouring table, a width adjusting module and a discharging module, a groove is formed in the upper end of the pouring table, air bags are arranged on the two sides of the left side in the groove, longitudinal baffles are arranged on the opposite sides of the air bags, a first transverse baffle is arranged on the rear side in the groove, and a second transverse baffle is arranged on the front side in the groove; a width adjusting module is arranged at the upper end of the pouring table; an accelerated drying demolding module is arranged at the front end of the pouring table; the device can flexibly adjust the width of the prefabricated external wall panel, is wider in applicable product model, scrapes the upper end of the prefabricated external wall panel to be flat through the leveling scraping plate, is smoother in appearance, enables the product to be better in quality, blows air to the transverse pipe through the fan and is uniformly blown out from the blowing head, can accelerate the condensation speed of the prefabricated external wall panel, improves the production efficiency, and reduces the production cost. And the second telescopic rod and the first telescopic rod are started to drive the jacking column to move upwards and then move rightwards, rapid discharging and transferring are achieved through the discharging roller, and demolding of the device is convenient and rapid.

The invention discloses green ultrahigh-performance concrete with ultrahigh fracture toughness, high strength and large fluidity and a preparation method of the green ultrahigh-performance concrete, and belongs to the technical field of ultrahigh-performance concrete. The alkali-activated concrete is used as a base material, and the modified sisal fibers and the modified graphene-PE fibers are doped, so that the green ultra-high performance concrete with ultrahigh fracture toughness, high strength and large fluidity, which has the advantages of high fracture toughness and mechanical strength, high setting speed, good fluidity, relatively high construction performance and durability and the like, is obtained; the method can be widely applied to bridge engineering and road engineering. The desulfurized fly ash, coal gangue and other industrial wastes are used as raw materials, the problems of industrial waste stacking and the like can be solved, waste is turned into wealth, resources are saved, and the environment is protected.

The invention relates to the field of cement-soil admixtures and preparation methods thereof, in particular to a permeability-reducing compact anti-dispersion cement-soil admixture. 15 to 20 parts of slag powder; 15 to 20 parts of fly ash; 8 to 10 parts of fiber; 1 part to 1.5 parts of a water reducing agent; 1.5 to 2 parts of an anti-dispersing agent; 0.5 to 3 parts of silica fume; 0.5 to 3 parts of a waterproof agent; 6-10 parts of an expanding agent; 0.5 to 3 parts of a preservative; the permeability-reducing compact anti-dispersion cement soil admixture provided by the invention is added into cement soil according to the proportion and is uniformly stirred, the crack resistance reaches P12, the service life is prolonged by 3-8 years compared with that of the traditional cement soil without leakage and cracking, the cement soil admixture with excellent performance and stable quality can be prepared through raw material preparation, raw material mixing, preparation and pH adjustment, and the cement soil admixture is suitable for large-scale popularization and application. And the requirements of different projects are met.

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.