38results about How to "Avoid recondensation" patented technology

The invention discloses a self-cleaning toilet mirror. The self-cleaning toilet mirror comprises a box body. A mirror plane is attached to the front face of the box body, an upper rail groove is formed in the top of the front face of the box body, and a linear motor sliding table is arranged at the bottom of the front face of the box body. A tube groove is formed in the front face of the box body, and an electric heating tube assembly is embedded into the tube groove. A scrubbing assembly comprises a scrubbing assembly support, the top and the bottom of the scrubbing assembly support are connected with a top plate and a bottom plate respectively, and a scrubbing sponge block is fixedly arranged between the top plate and the bottom plate. The plate edge of the top plate is connected with a rotating base, and the rotating base is provided with idler wheels in a rotating mode. The scrubbing assembly vertically stretches over the mirror plane, the idler wheels on the top of the scrubbing assembly support are mounted in the upper rail groove in a rotating mode, and the bottom plate at the bottom of the scrubbing assembly support is fixed on a sliding table body of the linear motor sliding table. The self-cleaning toilet mirror has the excellent advantages of being convenient to use, simple in structure, low in cost and the like.

The invention discloses a method for carrying out fluidized drying on lignite by microwaves. The method comprises the steps of: pre-drying crude lignite by a microwave device with hot air, and then carrying out fluidized drying on the lignite by a fluidizing bed with hot air so that the free water content in the crude lignite is lower than 1 percent. By utilizing the method disclosed by the invention, large-scale, rapid, low-energy-consumption and deep drying production of lignite can be realized.

The invention discloses paper drying equipment. The equipment comprises a paper tape and a drying device, wherein drying devices are both arranged on an upper side and a lower side of the paper tape; a group of extrusion roller shafts are arranged on a left side of

The invention discloses a dry ice cleaning spray nozzle, a dry ice cleaner and a secondary pollution preventing dry ice cleaning method. The dry ice cleaning spray nozzle comprises a spray nozzle mainbody, and a gas curtain spray nozzle, wherein the spray nozzle main body is provided with a structure connecting a dry ice conveying tube and a dry ice gas flow injection channel; the gas curtain spray nozzle surrounds the periphery of the spray nozzle main body, and comprises an inner cavity which surrounds the periphery of the spray nozzle main body and a connecting hole which communicates withthe inner cavity, and is connected to a protective gas source through a protective gas tube; and the gas curtain spray nozzle defines a protective gas curtain which surrounds the periphery of dry icejet flow jetted by the spaying nozzle main body. According to the scheme adopted by the invention, the protective gas curtain formed by protective gas is arranged at the periphery of the dry ice jetflow, and a cleaning surface can be effectively isolated from outside air, so that pollutants such as impurities and water vapor are prevented from being in contact with the cleaning surface; and meanwhile, the cleaned surface is swept through the protective gas curtain, so that the cleaned surface can be dried and can be restored to the room temperature, and therefore, the problem that water vapor is condensed and fogged is solved, protection can be performed throughout the process, and the cleaning effect is guaranteed.

The invention discloses a preparation method of a Gemini emulsifier used for producing cationic rosin size. The method comprises the following steps: adding a cationic surface active agent, a non-ionic surface active agent, a molecular weight regulator and an alcohol solvent into a reaction kettle; raising a temperature to 78-97 DEG C; adding a rosin monomer, a hydrophobic group monomer, a hydrophilic group monomer and an initiating agent; performing a heat-preservation reaction for 3-5 hours; when the reaction is completed, adding distilled water to adjusting the solid content to 30%-40%; and performing product discharging to obtain the Gemini emulsifier used for producing cationic rosin size. The invention also provides the Gemini emulsifier prepared by the method. The Gemini emulsifier has a moderate HLB value, and also has good stability, dispersity and emulsifying ability. The Gemini emulsifier can be used to prepare high quality cationic rosin size with fine particles, small bubbles, high whiteness, and good sizability.

The invention relates to the technical field of printing and dyeing wastewater treatment equipment, and discloses an improved textile printing and dyeing wastewater treatment device and a use method thereof.The improved textile printing and dyeing wastewater treatment device comprises an equipment shell, and a plurality of supporting legs are fixedly connected to the bottom of the equipment shell. According to the textile wastewater treatment device, a second gear rotates to drive a plurality of second auxiliary rotating shafts on a conveying rotating shaft to rotate, the second auxiliary rotating shafts rotate to drive a transmission filter screen to rotate, and meanwhile, a stirring rod rotates to drive wastewater in an inner cylinder to rotate along the inner wall of the inner cylinder; flocculation groups in the wastewater are attached to the surface of the transmission filter screen, and at the moment, the transmission filter screen rotates to convey the flocculation groups in the inner cylinder into the flocculation cavity, so that on one hand, a large number of flocculation groups in the inner cylinder can be reduced in time, and on the other hand, the flocculation groups which are flocculated into clusters can be transferred into the flocculation cavity; therefore, the situation that the stirring force of the stirring rod is too strong, flocculation groups are broken, and impurity separation is not facilitated is prevented.

The invention provides a method for catalytic oxidation degradation of wood chips by a novel polyoxometallate composite catalyst. The method comprises the following steps: blending wood chips, the catalyst and a solvent, and catalytically oxidatively degrading wood chips in an oxygen atmosphere, at a certain pressure and at a certain temperature to obtain oxidation products. The catalyst is a polyoxometallate / hydrotalcite composite catalyst containing two active centers: one catalytic active center is one or more acids selected from the group consisting of Keggin-type polyoxometallate phosphotungstic acid, silicotungstic acid, phosphomolybdic acid and silicon molybdenum; and the other catalytic active center is selected from one or more of the Dawson type, the notched Dawson type and the heteroatom-substituted Dawson type polyoxometallates. The reaction products include aromatic aldehyde and ketone compounds. Compared with the prior art, the invention relates to a novel polyoxometallate / hydrotalcite composite catalyst for high-efficiency catalytic oxidation degradation of wood chips to generate aromatic aldehyde and ketone compounds. According to the invention, an organic solvent such as alcohol is selected as a reaction medium; wood chips, a catalyst and a small molecule compound are directly separated by centrifugation; and the extraction process is avoided. The conditions are mild, the operation is simple, and the catalyst is cheap and easily available.

The invention belongs to the technical field of metal cleaning agents and particularly relates to a metal cleaning agent. The metal cleaning agent comprises, by weight, 60-80% of sodium orthosilicate, 12-30% of sodium carbonate, 4-10% of triethanolamine, 3-8% of washing assistants, 1-2.5% of fatty alcohol-polyoxyethylene ether and 0.5-1% of defoaming agents. The metal cleaning agent has the good performances of wetting, permeation, emulsification, dispersing and solubilizing, and is good in cleaning effect, free of pollution, short in cleaning time and high in detergency.

The invention discloses a drying method for a food processing machine and the food processing machine, the food processing machine comprises a crushing cup, a drying assembly, a motor and a crushing blade arranged in the crushing cup and driven by the motor, and the drying method comprises the following steps: a, enabling the interior of the crushing cup to be in a negative pressure state; b, heating gas in the drying assembly to a preset temperature T1 '; and c, making the drying assembly communicate with the smashing cup, so that gas in the drying assembly is sucked into the smashing cup. According to the technical scheme, the machine is dried through hot air circulation, the heated gas can enter the smashing cup, the drying effect is better, and the effects of removing peculiar smells and removing bacteria are achieved.

The invention relates to the technical field of communication technologies, and discloses an energy-saving and environment-friendly communication cable deicing device capable of enhancing communication signals; the device comprises a machine body, the inner side of the machine body is rotatably connected with a first driving shaft, and the outer side of a first moving rod is slidably connected with a second moving chamber; first connecting rods are fixedly connected to the left side and the right side of the first moving rod, first rotating blocks are arranged on the left sides of the first connecting rods, second connecting rods are rotatably connected to the lower sides of the first rotating blocks, and knocking hammers are slidably connected to the inner sides of first rail blocks. According to the energy-saving and environment-friendly communication cable deicing device capable of enhancing the communication signals, the first rotating blocks are driven to rotate clockwise under the action of the first moving rod and the first connecting rods, so that a knocking hammer is pushed to move inwards, the knocking hammer knocks the communication cable on the inner side back and forth while rotating, and thus the outer skin of the communication cable is deiced; by means of the structure, the effects of arranging the deicing device and enhancing communication signals are achieved.

A method for controlling a refrigerator, according to an embodiment of the present invention, comprises: a step in which it is determined whether a period of defrosting (POD) for defrosting a freezing compartment and a deep-freezing compartment has elapsed; a step in which, when it is determined that the period of defrosting has elapsed, a deep cooling operation for cooling at least one from among the temperature of the deep-freezing compartment and the temperature of the freezing compartment to be lower than a control temperature is performed; and a step in which, when the deep cooling operation finishes, a defrosting operation for defrosting the freezing compartment and the deep-freezing compartment is performed. When the defrosting operation starts, a freezing compartment valve is closed so as to prevent cold air from flowing to a freezing compartment evaporator and a heat sink, and at least a portion of a freezing compartment defrosting section and at least a portion of a deep-freezing compartment defrosting section overlap with each other.

The invention relates to the technical field of cryopumps, in particular to a cryopump baking regeneration system, a baking method and a regeneration method.The cryopump baking regeneration system comprises a pump shell, a baking device, a refrigerating device, a nitrogen purging device and an air extractor, a pump cavity is formed in the pump shell, and a first-stage cold array and a second-stage cold array are arranged in the pump cavity; the baking device is arranged on the periphery of the pump shell and used for heating the pump cavity. The refrigerating device is connected with the first-stage cold array and the second-stage cold array and used for refrigerating the first-stage cold array and the second-stage cold array, so that the temperature of the first-stage cold array and the temperature of the second-stage cold array are lower than the preset temperature. The nitrogen purging device communicates with the pump cavity and is used for introducing hot nitrogen into the pump cavity; the air extractor is communicated with the pump cavity and is used for exhausting air in the pump cavity; through cooperation of the baking device and the refrigerating device, parts, except for refrigerating mechanisms with poor temperature resistance, such as a primary cold array and a secondary cold array, in the low-temperature pump can reach a high temperature, so that the low-temperature pump can discharge air more quickly and more thoroughly, and the low-temperature pump can reach a better vacuum degree.

The present invention relates to a desiccation apparatus, the apparatus comprising: a hollow drum mounted for revolution about a substantially longitudinal axis, the drum comprising a shell having an interior surface and an exterior surface; and a means to generate airflow through the hollow drum.

The invention discloses a method for preparing a high-concentration emulsion from modified nano titanium dioxide powder. The adoption of the liquid phase modification avoids grinding, calcining and other processing means which easily cause nano powder to generate hard agglomerates; and the method disclosed by the invention can be used for preparing nano titanium dioxide powder with favorable amphiphilic surfaces only by controlling the addition amount of the acid for modification and the reaction time. The powder can be used for preparing a stable high-concentration emulsion under the action of ultrasonic or stirring; the nano titanium dioxide powder stably exists on the oil-water interface to prevent dispersed oil and water from agglomerating into large liquid drops and causing phase splitting, thereby stabilizing the emulsion; and the prepared emulsion can be stably stored for more than 3 months at room temperature without producing obvious emulsion breaking.

The invention discloses a novel monitoring and deicing iron tower. The novel monitoring and deicing iron tower comprises a tower body which is mainly constituted by four main supporting rods and a plurality of cross arms. Each main supporting rod is mainly formed by a plurality of vertical rods which are connected. The two ends of each cross arm are mounted on the connecting position of every twovertical rods on the two corresponding sides correspondingly. The novel monitoring and deicing iron tower further comprises a stress detecting device, a gravity detecting device and a control chamber.The stress detecting device is mounted on the outer side faces of the connecting positions of the vertical rods and the cross arms. The gravity detecting device is mounted between the vertical rods connected in pairs. Retractable heating devices are mounted on the cross arms and the vertical rods correspondingly, and the control chamber is formed in the tower body. A temperature sensor and an icing sensor are mounted on the tower body, and a solar panel is arranged on the tower body. According to the novel monitoring and deicing iron tower, the structural design is ingenious, by arranging theretractable heating devices, the stress detecting device and the gravity detecting device on the tower body, ice covering the iron tower can be effectively removed, and loosening and inclination situations of the connecting positions of the iron tower are effectively monitored to avoid collapse accidents.

A method for controlling a refrigerator according to an embodiment of the present invention is characterized by comprising: a step for determining whether a defrosting period (POD) for defrosting a freezing chamber and a deep freezing chamber has elapsed; a step for, when it is determined that the defrosting period has elapsed, performing a deep cooling operation for bringing at least one among the temperature of the deep freezing chamber and the temperature of the freezing chamber down to a temperature lower than a control temperature; and a step for defrosting the deep freezing chamber when the deep cooling operation is terminated, wherein, when the defrosting of the deep freezing chamber is started, a freezing chamber valve is closed to block cold air flow to a heat sink, the defrosting of the deep freezing chamber includes cold sink defrosting and heat sink defrosting performed after the cold sink defrosting is completed, and while the heat sink defrosting is being performed, a deep freezing chamber fan is driven to remove water vapor generated during the cold sink defrosting.

The invention relates to a system and method for preparation, grinding and decentralized processing of a simulated granite exterior wall coating. The system comprises a working frame, a grinding frame, a motor, a spindle, an air pump, grinding disk sets and fixed grinding disks, wherein a spindle is installed inside the grinding frame by a bearing; the grinding disk sets are uniformly installed onthe spindle; the fixed grinding disks are uniformly placed inside the grinding frame; a left end of the spindle is connected to an output shaft of the motor; the motor is installed on the working frame; the working frame is installed on the left end of the grinding frame; and the air pump is installed on the bottom end inside the working frame. The system and method provided by the invention havethe beneficial effects that problems like that an existing simulate granite exterior wall solid coating is directly exposed in air during fabrication; the adjacent solid coating can be easily adheredtogether to form cakes; and a worker generally places the solid coating at a screen before bagging and extrudes the coating by an extruding mode, so mesh holes of the screen may be blocked by the solid coating can be solved.

The invention provides a semiconductor cleaning method and cleaning equipment, and the method is used for cleaning a semiconductor device, and the method comprises the steps: placing the to-be-cleaned semiconductor device in a cavity of the cleaning equipment for cleaning treatment, the cleaning treatment comprising a cleaning fluid cleaning step and a drying step, and at least in the drying step, introducing heated protective gas into the cavity. The embodiment of the invention has the advantages that the heated protective gas can reduce the humidity of the chamber and increase the temperature of the surface of the semiconductor device, so that suspended matters in the chamber are prevented from re-condensing on the surface of the semiconductor device, particulate matters cannot be attached to the surface of the semiconductor device, and the influence on the semiconductor device is avoided.

The invention relates to an ammonia evaporation and buffering integrated device comprising a tank body, a liquid ammonia evaporator and an ammonia buffer which are mutually connected and arranged in the tank body, the liquid ammonia evaporator is connected with a liquid ammonia pipeline, the liquid ammonia pipeline is provided with a liquid ammonia input interface which is positioned outside the tank body, the ammonia buffer is connected with an ammonia pipeline, and the ammonia pipeline is provided with an ammonia output interface which is positioned outside the tank body. The device has simple overall structure, small occupied space and convenient installation, the liquid ammonia evaporator and the ammonia buffer can be simultaneously ensured to be in the appropriate temperature environment by controlling the temperature of the tank body, thereby avoiding the re-condensation of ammonia in the ammonia buffer caused by temperature change.

The invention discloses a track deicing device. The track deicing device comprises a rack installed on a track inspection car, and one or more combined deicing units used for deicing steel rails of tracks are installed on the rack. Each combined deicing unit comprises a mechanical crushing type deicing assembly, a sweeping type deicing assembly and a heat source deicing assembly, wherein the mechanical crushing type deicing assembly, the sweeping type deicing assembly and a heat source outlet of the heat source deicing assembly are installed on the rack in sequence in the advancing direction of the track inspection car. The track deicing device has the advantages of being free of damage to the surfaces of the steel rails, high in deicing efficiency, small in energy consumption, reasonable in structural design, low in manufacturing cost, broad in application prospect and the like.

The invention discloses a self-cleaning toilet mirror. The self-cleaning toilet mirror comprises a box body. A mirror plane is attached to the front face of the box body, an upper rail groove is formed in the top of the front face of the box body, and a linear motor sliding table is arranged at the bottom of the front face of the box body. A tube groove is formed in the front face of the box body, and an electric heating tube assembly is embedded into the tube groove. A scrubbing assembly comprises a scrubbing assembly support, the top and the bottom of the scrubbing assembly support are connected with a top plate and a bottom plate respectively, and a scrubbing sponge block is fixedly arranged between the top plate and the bottom plate. The plate edge of the top plate is connected with a rotating base, and the rotating base is provided with idler wheels in a rotating mode. The scrubbing assembly vertically stretches over the mirror plane, the idler wheels on the top of the scrubbing assembly support are mounted in the upper rail groove in a rotating mode, and the bottom plate at the bottom of the scrubbing assembly support is fixed on a sliding table body of the linear motor sliding table. The self-cleaning toilet mirror has the excellent advantages of being convenient to use, simple in structure, low in cost and the like.

The present invention relates to the technical field of tar detection, and in particular to a device for detecting the tar content of tail gas for pyrolysis treatment, comprising an incinerator and a reaction tank, wherein the upper end of the reaction tank is connected to an exhaust pipe, the inner cavity at the upper end of the exhaust pipe is provided with a turbofan, the outer wall of the exhaust pipe is fixedly connected with a rubber sleeve, and further comprising an oil discharge mechanism for discharging the detected tar into the incinerator for treatment, wherein the oil discharge mechanism is arranged in the rubber sleeve, and an oil flushing mechanism for flushing out the tar condensed at the connection during collection, wherein the oil flushing mechanism is arranged in the exhaust pipe. The device for detecting the tar content of tail gas for pyrolysis treatment provided by the present invention can automatically spray the inside of the guide tube and the sleeve cover after collecting the gas, and the sprayed gas is a gas without tar on the outside, thereby preventing the re-condensation of tar during subsequent spraying, and also discharging a small amount of condensed tar into the collection pipe, thereby improving the subsequent detection accuracy.

The invention relates the molecular beam source used to cumulate organic film, which can form homogeneous film on the surface of large scale basement film without producing deposition or segregation at the opening of film forming material. The valve 33 is installed in the space from molecule heating part 12 to molecule deactivation opening 14, and the heater 18 and 19 are installed on the side of the molecule deactivation opening 14. On the side of the molecule deactivation opening 14 there is outer guiding element 13, and in the outer guiding element 13 there is inner guiding element 16. Between the outer guiding element and inner guiding element there is molecule deactivation channel 17, whose diameter increases along the deactivation direction. The heater 18 and 19 are installed on outer guiding element 13 and inner guiding element 16, and the heater 20 is installed on molecule deactivation opening 14.

The vaporization device of the present invention may comprise: a sprayer that mixes a source injected through a source injection port and a carrier gas injected through a carrier gas injection port, and sprays the mixed gas; a vaporizing part having first and second vaporizing spaces for vaporizing the mixed gas ejected from the atomizer, and discharging the vaporized gas as a process gas through an outlet; and the heating part is used for keeping the mixed gas in the vaporization part at a preset temperature. The heating unit may include: a first heating unit arranged to surround the first vaporization space so as to maintain the temperature of the mixed gas in the first vaporization space; and a second heating part which is arranged together with the first heating part so as to surround the second vaporization space and maintain the temperature of the mixed gas in the second vaporization space.

A metal organic chemical vapor deposition apparatus comprising a source ampule, a liquid micro-pump, a vaporizer equipped with a solvent supply means, and a reactor. A reactant dissolved in a solvent in the source ampule is transferred to the vaporizer by the liquid micro-pump. A sufficient amount of the solvent is additionally fed to the vaporizer by the solvent supply means, concurrently with the transfer, and vaporized along with the reactants. After being vaporized in the vaporizer, the reactant is injected to the reactor by carrier gas and deposited on a semiconductor substrate to form a high dielectric thin film. By virtue of the additional supplied solvent, the recondensation of the reactant in the vaporizer, can be prevented in the vaporizer and in the transfer line between the vaporizer and the reactor. In addition, the residues of the reactant can be washed off by providing the solvent through the supply means to the vaporizer.

The invention discloses a placement rack for a motorcycle frame. The placement rack comprises a heating layer, a high-temperature resistant insulation medium layer and a photoelectric layer. The heating layer comprises a heat transfer layer and resistance heating bodies. Multiple water drainage blocks are arranged on the lower surface of the heat transfer layer. The bottoms of the water drainage blocks are equipped with multiple through holes. Water absorbing cotton is arranged between every two resistance heating bodies. Movable cavities are arranged in the high-temperature resistant insulation medium layer. The lower parts of the movable cavities are provided with a venturi tube. A fan is arranged in the venturi tube. The end part of a high-temperature resistant insulation medium is provided with a motor used for turning on and off the fan. Multiple heat exchange tubes are arranged on the venturi tube. Air inlet holes are arranged uniformly in the high-temperature resistant insulation medium layer between the water absorbent cotton and the resistance heating bodies. The heat exchange tubes communicate with the air inlet holes corresponding to the heat exchange tubes. Compared with the prior art, heat is generated by the resistance heating bodies arranged on the high-temperature resistant insulation medium and transferred to the heat transfer layer. The heat transfer layer isused for preserving heat of the frame. Therefore, ice is prevented from forming the inside of a pipeline of the frame.

The utility model relates to the technical field of essence processing devices, in particular to an evaporation device for essence processing, which comprises an evaporation component, the evaporation component comprises an outer cylinder and an inner cylinder, the inner cylinder is sleeved in the outer cylinder, the top end of the inner cylinder is fixedly connected with a sieve ring, and the top end of the inner cylinder is fixedly connected with an air outlet pipe through a flange plate with a bolt. The top end of the outer cylinder is fixedly connected with the top cover, the bottom end of the outer cylinder is communicated with the adding pipe, the top end of the outer cylinder is communicated with the liquid outlet cylinder, a heating assembly is fixed between the inner cylinder and the outer cylinder, the inner cylinder is heated continuously, water vapor can escape from the gas outlet pipe at the top end and the liquid outlet pipe, and gas between the inner cylinder and the outer cylinder can form a gas protection layer. And the heated essence liquid can be retained in the inner cylinder and can flow out from the heating pipe at the bottom after the heating process is finished, so that the evaporation process is realized, the defects of a traditional device are effectively overcome, and the heating device has remarkable beneficial effects.

The invention belongs to the technical field of tree vegetative propagation methods, and specifically relates to a method for raising seedlings by high grafting of velvet crape myrtle. The method comprises the following steps: selecting and cultivating rootstock seedlings: selecting 25-year-old seedling crape myrtle trees as rootstocks; velvet crape myrtle The scion is grafted to the crape myrtle tree, and the cultivation base is selected; the selection and collection of the scion: the developing branches of the velvet crape myrtle sapling are selected as cuttings, and 2-3 buds are reserved for each cutting; the upper joint is flat, 1.3cm away from the terminal bud, and the lower joint is It is flat, below the internodes or below the buds to facilitate healing; the present invention is mainly used to provide a method for raising seedlings by high grafting of velvet crape myrtle. Compared with the prior art, the method for raising seedlings by high grafting of velvet crape myrtle of the present invention not only has simple conditions, The operation is easy, the reproduction cost is low, and it can also significantly increase the success rate of grafting, reduce the incidence of powdery mildew, and obviously improve the quality of grafted seedlings.

The utility model discloses an ice crushing vehicle for road maintenance, which relates to the technical field of road maintenance mechanical equipment and comprises a vehicle body and a drying box. According to the road ice crushing device, the first motor is arranged, the output end of the first motor rotates to drive the ice crushing teeth to rotate, so that ice blocks on a road surface can be crushed through the ice crushing teeth, then crushed ice residues can be scraped through the scraping plate, and the output end of the second motor rotates to drive the movable block to move upwards; by arranging the ice crushing roller, the ice crushing roller can be driven to move upwards, so that the ice crushing teeth can be separated from the ground, the road surface can be prevented from being damaged when the ice crushing roller walks on a non-frozen road, a drying box is arranged, a large amount of hot air can be generated through an air heater, and then a fan can be driven to rotate through rotation of the output end of a third motor; therefore, hot air can be quickly discharged from the air outlet through the fan, then the ground is dried through the air outlet box, and a small amount of residual accumulated water can be prevented from being condensed again.