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435 results about "Dry ice" patented technology

Dry Ice is the solid form of carbon dioxide. It is used primarily as a cooling agent. Its advantages include lower temperature than that of water ice and not leaving any residue (other than incidental frost from moisture in the atmosphere). It is useful for preserving frozen foods where mechanical cooling is unavailable.

Anti-sticking roller self-cleaning pole piece pressing device for lithium battery production

The invention provides an anti-sticking roller self-cleaning pole piece pressing device for lithium battery production, which comprises a supporting plate and two groups of supporting rods symmetrically arranged on the top surface of the supporting plate, an operation part is arranged between the two groups of supporting rods, a plurality of groups of vertically parallel pressing roller pieces are arranged in the operation part, the two ends of the pressing roller pieces are connected with the supporting rods, and one group of pressing roller pieces is connected with the supporting rods in a sliding manner. A driver for driving the support rod to move and rotate is arranged on one side of the support rod; cleaning parts are arranged on the two sides of the supporting plate, an operation part is located between the cleaning parts, a cleaning assembly comprising a mounting frame and two sets of scrapers is arranged in each cleaning part, the scrapers scrape and press roller impurities, the mounting frames are connected with the supporting rods through lead screw structures, and the scrapers are mounted in the frames and make contact with the rollers; and a dry ice spraying part for spraying dry ice particles to the compression roller piece is also arranged in the group of cleaning parts. The device realizes self-cleaning of the compression roller piece through the cleaning assembly and the dry ice spraying part, solves the problems that a traditional device depends on manual cleaning, is low in efficiency and is easy to damage the compression roller, and guarantees the production quality and efficiency of the lithium battery pole piece.
Owner:HUBEI YUNSEN TECHPARK

Pipeline cleaning system

The invention provides a pipeline cleaning system which comprises a support unit, a cleaning agent spraying unit, a dry ice spraying unit and a high-pressure gas unit, a plurality of moving units are arranged on the support unit, and the moving units are suitable for moving in a pipeline; the cleaning agent spraying unit is arranged on the support unit and comprises a first feeding assembly and a plurality of first nozzles, and the first feeding assembly is connected with the first nozzles and is suitable for conveying a cleaning agent to the first nozzles; the dry ice spraying unit is arranged on the support unit and comprises a second feeding assembly and a plurality of second nozzles, and the second feeding assembly is connected with the second nozzles and suitable for conveying dry ice to the second nozzles; the high-pressure gas unit is arranged on the support unit and communicates with the cleaning agent spraying unit and the dry ice spraying unit so as to be suitable for conveying high-pressure gas. The cleaning method combining cleaning agent cleaning and dry ice cleaning is adopted, rapid stripping and deep removal of pollutants on the inner wall of the pipeline can be achieved, and the safety of the pipeline in the cleaning process is improved while the cleaning effect is improved.
Owner:WUHAN UNIV

Multifunctional cleaning device

The utility model discloses a multifunctional cleaning device which comprises a control table and a portal frame. The portal frame is arranged at one end of the console, one side of the top of the portal frame is cooperatively connected with a cleaning assembly, and the cleaning assembly comprises a plasma cleaning assembly or a dry ice cleaning assembly; a conveying module is arranged at the top of the console, a jig is connected to the top of the conveying module in a matched mode, and at least one workpiece is arranged on the jig; the cleaning assembly is used for cleaning the workpiece on the jig; workpieces on the jigs are controlled to move flexibly through the conveying module, the jigs are provided with the containing grooves and the adsorption holes in the jigs to fix the workpieces, meanwhile, the cleaning assemblies are controlled to accurately control the positions above the workpieces, the cleaning assemblies can be used for plasma cleaning or dry ice cleaning, and therefore multifunctional cleaning is achieved.
Owner:苏州诺克智能装备股份有限公司

Device and method for cleaning interior of large complex sealing structure

The invention discloses a device and method for cleaning the interior of a large complex sealing structure. The device comprises an ice conveying system, an oil conveying system and an environment control system. The oil conveying system is used for storing and conveying cleaning fuel oil, and the environmental control system is connected with the fuel oil system and connected into a device to be cleaned so as to form a closed cleaning system. The environment control system is further used for being connected into the ice conveying system, the ice conveying system conveys dry ice into the environment control system, the dry ice is mixed with cleaning fuel oil provided by the fuel oil system, and the dry ice and cleaning liquid are mixed and then conveyed to the device to be cleaned. A mixture of dry ice and cleaning liquid is periodically put into a to-be-cleaned device, an inlet and an outlet of the to-be-cleaned device are closed, cleaning fuel oil is driven by carbon dioxide gas generated by sublimation of the dry ice in the pressurization and decompression processes to generate vortex disturbance, and the interior of the to-be-cleaned device is cleaned. The problems that in the prior art, cleaning does not reach the standard, and efficiency is low are effectively solved.
Owner:SHENYANG AIRCRAFT CORP

High-temperature flue gas quenching type waste heat boiler

The utility model provides a high-temperature flue gas quenching type waste heat boiler which comprises a main flue gas inlet pipe, a main flue gas outlet pipe and a boiler body fixedly arranged between the main flue gas inlet pipe and the main flue gas outlet pipe, and the input end and the output end of the boiler body are connected and communicated with the main flue gas inlet pipe and the main flue gas outlet pipe respectively. A plurality of dry ice descaling devices are further fixedly arranged on the main smoke outlet pipe, and the dry ice descaling devices and the boiler body are located on the same axis. The boiler body comprises a bundling sleeve, an upper pipe header and a lower pipe header, the upper pipe header and the lower pipe header are fixedly arranged at the two ends of the bundling sleeve respectively, the upper pipe header and the lower pipe header are communicated with an internal gap of the bundling sleeve, and an inlet section and an outlet section which are communicated with the main smoke inlet pipe and the main smoke outlet pipe respectively are fixedly arranged at the two ends of the bundling sleeve. According to the utility model, through the bundling sleeve arranged in the boiler body, high-temperature flue gas and cooling water are positioned in different areas in the bundling sleeve and complete heat exchange, so that flue gas waste heat of the high-temperature flue gas is effectively recovered, and the mixing condition of the cooling water and the flue gas is avoided.
Owner:WUXI HONGQI DUST COLLECTOR EQUIP

Grinding machine tool for cambered surface of inner hole of quartz pipe

The invention discloses a quartz tube inner hole cambered surface grinding machine tool, and relates to the technical field of grinding equipment, the quartz tube inner hole cambered surface grinding machine tool comprises a three-axis adjusting mechanism, the adjusting end of the three-axis adjusting mechanism is fixedly connected with a fixing plate, the side face of the fixing plate is fixedly connected with a grinding mechanism, and one side of the grinding mechanism is provided with a fixing mechanism; the device further comprises a cooling liquid cooling mechanism, a dry ice cooling mechanism and a detection mechanism. According to the cooling device, liquid is supplied to the pipeline connecting frame through the liquid supply assembly and the first connecting pipe, spraying cooling is conducted through the multiple nozzles evenly distributed on the periphery of the grinding mechanism, and the reciprocating mechanism drives the nozzles to swing so that the cooling coverage range can be further expanded; the dry ice cooling mechanism supplies dry ice to a spraying pipeline assembly through a dry ice spraying assembly and a second connecting pipe to assist in cooling, the dual-cooling system effectively solves the problem that an existing single cooling mode is insufficient in coverage, local high temperature can be guided out in time, and the situation that a quartz tube is deformed due to uneven thermal stress is avoided.
Owner:LIANYUNGANG HUAYUAN QUARTZ PROD

Cold and hot energy storage system for generating power by using supercritical CO2

The invention discloses a cold and heat energy storage system utilizing supercritical CO2 to generate power. The cold and heat energy storage system comprises a heat pump subsystem, a cold energy storage unit, a heat energy storage unit and a power generation subsystem. The heat pump subsystems are arranged in a stepped mode, and a mixture of dry ice and a liquid phase is generated at a CO2 three-phase point through electric energy driving. The cold energy storage unit is connected to the low-temperature side of the heat pump subsystem and used for storing generated dry ice. The heat energy storage unit is connected to the high-temperature side of the heat pump subsystem and used for storing heat energy generated in the compression process. The power generation subsystem is in fluid communication with the downstream of the cold energy and heat energy storage unit, heats the cold energy and heat energy storage unit to a supercritical state by using the output CO2 and heat energy, and expands to drive a power generator to generate power; the system forms a circulation loop, and fluid discharged by the power generation subsystem flows back to the heat pump subsystem; according to the technical scheme, the carbon dioxide three-phase point is used for achieving cold and heat collaborative energy storage, the energy storage density and efficiency are greatly improved, and finally efficient and stable power generation of renewable energy sources is achieved.
Owner:ZHONGNENGLING CARBON (BEIJING) TECHNOLOGY CO LTD

Integrated dry ice cleaning machine

PendingCN122644335AIce storageDry ice
The application provides an integrated dry ice cleaning machine, which comprises a rack, an ice storage chamber, an ice mixing system, a gas supply system, a spraying system and an electric control system integrated in the rack; the ice storage chamber is used for storing dry ice particles; the ice mixing system is in communication with the ice storage chamber and receives the dry ice particles; the spraying system is used for spraying the dry ice particles to a surface to be cleaned; the electric control system is used for controlling the operation of the cleaning machine; the gas supply system comprises an air compressor and a gas storage device; the gas storage device is connected to the ice mixing system through a conveying pipe; the conveying pipe is used for conveying compressed air to the ice mixing system to mix the dry ice particles; and the conveying pipe is arranged in a winding shape with an extended path to exchange heat with the outer wall of the ice storage chamber; heat dissipation of the compressed air in the conveying pipe is realized through heat exchange; through reasonable heat dissipation design, the heat dissipation problem of the integrated dry ice cleaning machine is effectively solved, and the efficient operation and service life of the equipment are ensured.
Owner:林祺

Intelligent laser-dry ice combined cleaning method and device

The application discloses an intelligent laser-dry ice composite cleaning method and device, and belongs to the field of stain cleaning. The application is used to solve the problem of unsatisfactory cleaning effect of the prior art on stains with large thickness. The method comprises the following steps: performing visual scanning on a workpiece to be cleaned, obtaining stain thickness distribution on the surface of the workpiece to be cleaned through three-dimensional surface morphology reconstruction, and dividing the surface of the workpiece to be cleaned into multiple sub-regions according to the stain thickness; the sub-regions include three types: an extremely thin sub-region, a medium-thickness sub-region and a large-thickness sub-region; performing cleaning path planning to form three cleaning paths; the cleaning process of the cleaning path of the extremely thin sub-region is laser cleaning; the cleaning process of the cleaning path of the medium-thickness sub-region is laser-dry ice composite cleaning; and the cleaning process of the cleaning path of the large-thickness sub-region is laser-dry ice composite cleaning. The cleaning device comprises a ground rail gantry motion system, a first mechanical arm, a second mechanical arm, a dry ice cleaning system, a visual identification system and a pulse laser cleaning system.
Owner:HARBIN HIT WELD TECH CO LTD +1

A dry ice spray device

ActiveCN224463036UDry iceHeat conservation
The utility model provides a kind of dry ice spraying device, including heat preservation shell, the upper end of the heat preservation shell is provided with nozzle structure, the inside fixed connection of the heat preservation shell has dry ice bucket, the dry ice bucket includes barrel, the lower part side wall of the barrel is fixedly connected with the mesh of inside and outside conduction, the outside of the dry ice bucket is sleeved with inner heat preservation sleeve, the lower end of the heat preservation shell is penetrated and is fixedly connected with fan.The utility model, it is provided with heat preservation shell and inner heat preservation sleeve, and make air two times turn, i.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Solid waste-based high-strength phase change light aggregate, preparation method and application thereof

PendingCN122344100ABrickEmulsion
This invention belongs to the field of building materials technology, specifically relating to a solid waste-based high-strength phase change lightweight aggregate, its preparation method, and its application. The solid waste-based high-strength phase change lightweight aggregate provided by this invention comprises the following raw materials in parts by weight: 26-32 parts cement, 4-6 parts steel slag powder, 32-36 parts ice chips, 14-16 parts dry ice, 12-16 parts brick slag powder, 2.7-3.6 parts paraffin emulsion, and 0.3-0.4 parts organosilicon water-repellent agent. This invention uses construction solid waste brick slag loaded with paraffin emulsion to prepare phase change microparticles, and uses cement and steel slag powder to react under ice chips and dry ice conditions to form high-strength lightweight aggregate. Simultaneously, ice chips and dry ice are used for room-temperature pore formation and to improve curing efficiency. The resulting solid waste-based high-strength phase change lightweight aggregate achieves an organic combination of phase change products and pure lightweight aggregate, exhibiting high strength, good stability, and low manufacturing cost. It is a new type of solid waste-based energy-saving building material with higher quality and more convenient application.
Owner:CHINA NORTHEAST ARCHITECTURAL DESIGN & RES INST CO LTD

Freeze-dried broccoli processing method

The invention relates to the technical field of food processing, in particular to a freeze-dried broccoli processing method. The invention provides a freeze-dried broccoli processing method which comprises the following steps: taking cleaned broccoli, and cutting the broccoli into small flower types which are consistent in size, shape, thickness and height; carrying out instantaneous fixation by adopting steam, immediately soaking the broccoli subjected to fixation in ice water, fishing out the broccoli, and draining water; stacking the quick-frozen broccoli and the dry ice layer by layer; and after the temperature of the broccoli is reduced to-40 DEG C to-60 DEG C, performing vacuum freeze drying until the water content is less than or equal to 3% to obtain the dehydrated broccoli. According to the method, the loss of functional components such as glucoraphanin and polyphenol is reduced; formation of ice crystals is reduced, cell damage is reduced to the maximum extent, the content of functional components is effectively maintained, the color is close to that of fresh broccoli, and rehydration performance is good; the retention rates of functional components of glucoraphanin, flavone and vitamin C in broccoli all reach 98% or above.
Owner:ZHEJIANG UNIV OF SCI & TECH

A dry ice transport insulated box for cell-based products

ActiveCN224428352UDry iceCryopreservation
This invention provides a dry ice transport insulated box for cell products, belonging to the technical field of transport boxes. It includes a box body and lid secured by latches. Inside the box, partitions separate storage compartments for cryopreservation bags, cryopreservation tubes, and dry ice. The dry ice storage compartments are located around the cryopreservation bag and cryopreservation tube storage compartments. Two thermometers are fixed to the side of the box body, with their probes extending into the cryopreservation bag and cryopreservation tube storage compartments respectively, allowing real-time monitoring of the box's internal temperature. The cryopreservation bag storage compartment is used to store strip-shaped cryopreservation boxes containing cryopreservation bags, while the cryopreservation tube storage compartment is used to store square cryopreservation boxes containing cryopreservation tubes. This invention isolates the storage compartments for each cell, preventing collisions and impacts on cell quality stability during transport.
Owner:SHANGHAI YANHUA ZHONGKANG BIOPHARMACEUTICAL CO LTD

Fin Fan Cleaning Device and Method

PendingUS20260194319A1Oil and greaseDry ice
Cleaning equipment and devices are provided for fin fans that includes one or more blasting nozzles configured to propel a cleaning media from the blasting nozzle towards the fin fans to remove fouling on the fin fans, for instance, caused by dirt, dust, grease, plants, condensation and the like. The blasting nozzle if configured to propel a cleaning media, such as dry ice, that cleans the fin fans while minimizing risk of damage to the fin fans and also minimizing environmental impact associated with the cleaning activities. The cleaning equipment may be a single-hose, double-hose, or triple-hose system depending on the specific operating parameters and desires of a user. The cleaning equipment may include additional features, for instance, a fragmenter configured to break up dry ice particles, and / or a handle, trigger, and / or controls to manage operation of the device.
Owner:PRECISION ICEBLAST CORP

Portable preservation box for stem cell culture

The utility model discloses a portable preservation box for stem cell culture, which comprises a box body, the inside of a mounting shell is divided into circulation channels through a plurality of groups of placing boxes, and the circulation channels are used for prolonging the forced contact time of air and dry ice; the air inlet end of the air pump communicates with two sets of extraction pipes used for extracting air to flow in the circulation channel. Through the design of the mounting shell, the placement box, the air pump, the extraction pipe, the exhaust pipe and the like, and through the cooperation of the air pump, the extraction pipe and the exhaust pipe, air in the box body can quickly flow in the mounting shell, and the air is forced to be in contact with dry ice in the placement box when flowing in the mounting shell, so that the air is quickly cooled and uniformly circulated; therefore, a cold source can be utilized to the maximum extent, energy waste is reduced, a set low-temperature environment can be recovered in a short time through an active refrigeration mode, the time for exposing stem cells to non-ideal temperature is shortened, and cell activity decline or cell death is avoided.
Owner:SOUTH MEDICAL BIOLOGY (SHENZHEN) CO LTD

A cleaning device for a mining machine

ActiveCN224463359UMining engineeringDry ice
The utility model provides a kind of cleaning device for mine machinery, relate to mine cleaning technical field.A kind of cleaning device for mine machinery, including the frame with gyro wheel, central processing unit is installed in frame and the dry ice cleaning machine electrically connected with central processing unit, dry ice cleaning machine includes the cleaning pipe and dry ice spray gun communicated in turn, the frame is equipped with lifting shell, lifting shell slidingly is equipped with the transverse frame that can be lifted along gravity direction, transverse frame is slidably equipped with the cleaning seat for fixing the above-mentioned dry ice spray gun along the head-tail direction of frame.The cleaning device adopts dry ice cleaning machine to clean the precision parts of coal mine instruments, realizes the cleaning of multiple angles, avoids personnel to climb up and down, on the basis of not disassembling equipment, the precision position needing cleaning is cleaned, reduces the damage, rust etc. caused by cleaning, the problem caused by water cleaning, high quality is completed the cleaning of mine instrument.
Owner:于庆龙

OLED organic light-emitting material collecting device

The utility model belongs to the field of OLED organic light-emitting materials, and particularly relates to an OLED organic light-emitting material collecting device which comprises a working box, an observation window is fixedly connected in the working box, two glove extending holes are formed in the observation window, the outer side of the working box is fixedly communicated with a solid-gas separation device, and the solid-gas separation device is fixedly communicated with the working box. And an air injection assembly is arranged on the outer side of the working box. The sealing elastic cloth is pulled to drive the elastic rope to stretch so as to extract mixed gas in the transmission pipe, then the sealing elastic cloth is loosened to drive the sealing elastic cloth to rapidly rebound through the elastic rope, so that the mixed gas enters the working box along the exhaust pipe, and due to the shape of the exhaust pipe, the mixed gas enters the working box through the elastic rope. By means of the structure, the mixed gas is in a rotating smoke ring shape, is gradually expanded when leaving the exhaust pipe and is provided with part of power, and residual materials on the baffle can be struck through the carried power and dry ice particles, so that the materials are scoured down, and waste of the materials is reduced.
Owner:SUZHOU FENGHUA NEW MATERIAL TECH CO LTD

A specimen storage device for virus detection

The utility model belongs to virus storage equipment technical field, and disclose a kind of virus detection specimen storage device, including storage box, the outside hinged cover of storage box is equipped with, and the inside assembly of storage box is equipped with quick -mount structure, the outside assembly of cover is used for the abutment structure for limiting specimen movement, the quick -mount structure includes the fixed plate installed from top to bottom in the inner wall of storage box, by the design of quick -mount structure, push freezer to make it slide inside baffle, extrude first spring simultaneously, during this period, the slider outside first connecting rod slides along the trajectory of heart-shaped sliding slot, and slides into one place limit slot and is locked, at this time, freezer slides to the outside of storage box, the dry ice or ice bag in freezer can be replaced, after replacement is completed, freezer is pushed again, at this time, slider is separated from first limit slot, and along heart-shaped sliding slot is moved to second limit slot and is locked, freezer is reset, and the quick replacement of dry ice or ice bag etc. in freezer is further achieved.
Owner:YUNNAN NABI WEITE TESTING SERVICE CO LTD

Method for improving the balling rate of molybdenum oxide composite pellets

The present application relates to the technical field of steelmaking auxiliary materials, in particular to a method for improving the balling rate of molybdenum oxide composite briquetting, in which process, in order to control the material temperature and overcome the problem of reaction heat release in the material, raw dolomite or limestone particles which are not easy to react with water are used to replace the traditional inhibitor lime, and the chemical reaction heat production is effectively controlled; the briquetting process provided by the present application adjusts the conventional one-time stirring and mixing to twice stirring, dry ice is added for cooling during the stirring process, and each time after stirring, standing is carried out, and through the above measures, the problem of material heating caused by the heat generated by material stirring and chemical reaction and then causing the problem of cracked briquetting after briquetting can be effectively solved. The balling rate of the molybdenum oxide composite briquetting for steelmaking produced by the process reaches more than 90%, the breaking strength is greater than 600N, and the falling strength is more than 15 times / (0.5m).
Owner:SHANDONG IRON & STEEL CO LTD

Stranded wire deburring device

The embodiment of the application provides a kind of stranded wire deburring device, belong to stranded wire processing equipment technical field.The stranded wire deburring device includes base, dry ice providing component and at least two blow nozzles.The base is provided with the processing channel for the stranded wire to pass through, and the inside of the base is hollow to form the sweep blowing channel around the processing channel;Dry ice providing component is communicated with sweep blowing channel, to provide dry ice particles to sweep blowing channel;Blow nozzle is arranged on the base and is communicated with sweep blowing channel, and blow nozzle has the ejection port towards processing channel, and blow nozzle is configured to guide the dry ice particles of sweep blowing channel to be sprayed to the surface of stranded wire through ejection port.The stranded wire deburring device provided by the embodiment of the application removes burr on stranded wire by dry ice spraying stranded wire, which is beneficial to improve the effect of stranded wire deburring.
Owner:JIANGSU ZHONGTIAN TECH CO LTD +3

Deburring device for plastic processing

The utility model relates to the technical field of plastic processing, in particular to a deburring device for plastic processing, which comprises a machine body, the machine body comprises a dry ice type deburring machine, a spraying pipe is arranged on the surface of the dry ice type deburring machine, and a spray gun is arranged at one end, far away from the spraying pipe, of the spraying pipe; the clamping mechanism comprises a connecting block, the connecting block is arranged on the surface of the dry ice type deburring machine, and an air cylinder is fixedly connected to the surface of the connecting block. The connecting block is connected with the air cylinder, the air cylinder is connected with the rack plate, the rack plate can be driven to move by starting the air cylinder, then the rack plate is connected with the first rack rod, the rack plate is connected with the second rack rod, and the rack plate moves to drive the first rack rod and the second rack rod to rotate. And then through connection of a first rack rod and a first clamping plate and connection of a second rack rod and a second clamping plate, the first rack rod and the second rack rod can drive the first clamping plate and the second clamping plate to move when rotating.
Owner:YANGGU LIQIANG PLASTIC PROD CO LTD

Apparatus for measuring water vapor in atmosphere

Embodiments of the present invention provide a frost point hygrometer apparatus utilizing dry ice and ethanol, or liquid nitrogen, as cryogenic coolant. FPH apparatus in accordance with embodiments of the present invention includes a copper cold finger with a sink immersed in a liquid cryogen to provide cooling power throughout the profile, a polished mirror disk residing at the opposite end of the cold finger with ambient air passing over it, a nichrome heater wrapped around the narrow shaft of the continuous cold finger and mirror piece to provide heat to the mirror, an optical source and detector, including an infrared light-emitting diode and a photodiode, to monitor the mirror's reflectivity as condensate accumulates in the form of dew or frost, a biconvex lens to focus the light reflected from the mirror into the photodiode, and a calibrated thermistor embedded in the mirror to measure the frost point temperature.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE COMMERCE

Modified coal-based hard carbon and preparation method thereof

The invention relates to the field of battery materials, in particular to modified coal-based hard carbon and a preparation method thereof. The method comprises the following steps: etching a sodium chloride template, then carrying out chitosan derived carbon coating, subsequently carrying out dry ice grinding, and finally obtaining the coal-based hard carbon material with large interlayer spacing, surface etching and abundant defects. Compared with traditional hard carbon, the hard carbon has smaller particle size and higher oxygen content and defect concentration. According to the modified coal-based hard carbon disclosed by the invention, the microcrystalline structure is controlled through salt template etching, and the interlayer spacing is improved. The chitosan derived carbon coating optimizes the surface and defect structure. The coal-based hard carbon with a controllable pore structure is prepared by a method of combining salt template etching and a chitosan derived carbon coating, so that accurate conversion from coal to hard carbon is realized. Further dry ice milling has a smaller particle size and mitigates particle agglomeration. The defect concentration is improved by further utilizing the physical and chemical synergistic effect, and the etching effect on the surface of the hard carbon material is promoted.
Owner:SHUANGDENG GRP CO LTD +1

Dry ice jet cooling and cold and heat supply combined system of electric vehicle driving mechanism

The invention provides a dry ice jet cooling and cold and heat supply combined system for an electric vehicle driving mechanism. The dry ice jet cooling and cold and heat supply combined system comprises a compressor unit, a heat exchanger outside a compartment, a heat exchanger inside the compartment, a heat regenerator and a gas-liquid separator. An outlet of the compressor unit is simultaneously connected with the heat exchanger outside the compartment and the heat exchanger inside the compartment, the other connectors of the heat exchanger outside the compartment and the heat exchanger inside the compartment are respectively and simultaneously connected with an in-pipe inlet and a shell side outlet of the heat regenerator, and an in-pipe outlet of the heat regenerator is connected with a gas-liquid two-phase fluid inlet of the gas-liquid separator through an expansion valve. A gas outlet of the gas-liquid separator is connected with the compressor unit, a liquid outlet of the gas-liquid separator is connected with the nozzle, and the nozzle extends into the electric automobile driving mechanism. According to the technical scheme, the driving mechanism of the electric automobile is cooled through sublimation heat absorption of the dry ice, meanwhile, air conditioner cooling in the automobile in summer is achieved through residual cold generated by sublimation of the dry ice, and heat generated by high-temperature exhaust of the compressor is recycled for heating in the automobile in winter.
Owner:TIANJIN UNIV OF COMMERCE

A method for increasing the heat resistance temperature of pure aluminum wire

The present invention discloses a method for improving the heat resistance temperature of pure aluminum conductors, belonging to the technical field of improving the performance of pure aluminum conductors. The method adopts a powder extrusion and sintering process, specifically comprising the following steps: using ethanol and / or dry ice as an anti-forging agent to high-energy ball mill pure aluminum powder to obtain ultrafine pure aluminum powder with an average grain size of 100nm-250nm, a clean surface and high activity, isostatically pressing the ultrafine pure aluminum powder to obtain a preform, hot extruding and sintering the preform to obtain a high-strength aluminum rod, and then subjecting the high-strength aluminum rod to front-end grinding, deburring, heat treatment, wire drawing and annealing to obtain a pure aluminum conductor. The benefits of the present invention are that the yield strength and tensile strength of the prepared pure aluminum conductor are relatively strong, and the heat resistance temperature is increased from the current 200°C to 300°C. It is a high-strength and ultra-heat-resistant pure aluminum conductor, which is expected to be widely used in the construction of ultra-high voltage transmission lines.
Owner:YANTAI ADVANCED MATERIALS & GREEN MFG SHANDONG PROVINCIAL LAB +1

Hardware part cleaning device and method for internal complex environment

The invention relates to the technical field of part cleaning, in particular to a hardware part cleaning device and method for an internal complex environment. And a robot can be matched to assist workpiece positioning and conveying, and cleaning automation and precision are improved. The device comprises a dry ice supply system, an air source system, a mixing ejector, a cleaning cabin, a negative pressure recovery system and the like, according to the method, a sealed cleaning cavity is constructed through a sealing assembly and a sealing cover, negative pressure recovery is started to establish initial negative pressure, then gas-solid two-phase flow formed by mixing dry ice and compressed air is intermittently injected, and the cavity pressure is periodically adjusted; and the cleaning medium fully permeates deep and long oil ducts and gaps, and pollutants are continuously pumped out in cooperation with negative pressure. The problems of kinetic energy attenuation and cleaning dead angles of existing dry ice cleaning complex inner cavities are solved, cleaning is efficient and thorough, secondary pollution is avoided, the robot assists in optimizing the cleaning process, and the robot is suitable for complex inner cavity hardware parts such as industrial gearboxes.
Owner:JIANGSU JIEBOTE INTELLIGENT TECHNOLOGY CO LTD

Heating cigarette based on fuming of phase change material

The invention provides a heating cigarette based on fuming of a phase-change material. The heating cigarette comprises a filter stick section, a cigarette core section and a phase-change fuming section which are sequentially connected from a near-mouth end to a far-mouth end, the filter stick section, the cigarette core section and the phase change fuming section are wrapped and formed by tipping paper for cigarettes; the filler of the phase change fuming section comprises dry ice microcapsule particles and an adsorption material loaded with liquid nitrogen. According to the heating cigarette, liquid nitrogen in the phase change fuming section can be rapidly refrigerated, water vapor is condensed to generate high-density rime fog, dry ice can maintain a low-temperature state for a long time, the water vapor is condensed to generate high-density rime fog (secondary fuming), the liquid nitrogen and the dry ice are matched for use, the smoke amount can be increased by 300% or above while the temperature is reduced, and then the satisfaction of consumers is better improved.
Owner:CHINA TOBACCO JIANGSU INDAL

Method and system for cleaning a workpiece prior to inspection

The present application provides a kind of cleaning method before workpiece flaw detection, when carrying out cleaning, by stain identification model carries out stain identification, and distributes corresponding cleaning gear, uses dry ice cleaning device to carry out cleaning, and after each cleaning, image is collected and stain identification model is used to identify stain, and the area of still having stain is cleaned again, until there is no stain on the surface of workpiece, to complete the purpose of cleaning.The present application also provides a kind of cleaning system before workpiece flaw detection, applied to the above-mentioned cleaning method before workpiece flaw detection, the position of image acquisition device is adjusted by eight-axis linkage device, and the position of dry ice spray gun is also adjusted by eight-axis linkage device.The beneficial effects of the present application include: it can play the purpose of removing stain, while reducing the waste of dry ice resources.
Owner:SHENSHUO RAILWAY BRANCH CHINA SHENHUA ENERGY

System suitable for storing and / or transporting temperature-sensitive materials

System suitable for storing and / or transporting temperature-sensitive materials. In a preferred embodiment, the system may include a cooler made of expanded polystyrene foam. The cooler may include a base and a lid. The base may be a unitary structure that includes a cavity bounded by a bottom wall and four side walls. The base also may include an integral support that may include a platform elevated from the bottom wall, as well as a stanchion extending upwardly from the bottom wall along each of the side walls. The support may be constructed to removably receive a product box in the cavity and to orient the product box at an angle offset from the cavity. Dry ice pellets may be positioned around and under the product box, and additional dry ice pellets may be positioned in a tray mounted on the stanchions over the product box.
Owner:COLD CHAIN TECH LLC