232results about How to "Prevent taking away" patented technology

The invention relates to the technical field of petrochemical engineering, in particular to a controlled releasing microcapsule for scale prevention, wax prevention or viscosity reduction of an oil well. The invention discloses a solid controlled releasing microcapsule for scale and corrosion prevention in the production process of crude oil and wax prevention or viscosity reduction in the production process of the crude oil as well as a preparation method thereof. Filler comprising an inorganic framework and agent components is arranged in a macromolecule composite membrane. The controlled releasing microcapsule has a stable structure comprising an inside inorganic framework support and an outer-layer macromolecular composite membrane wrapping film, can be used for realizing the slow release of the agent and achieving the aim of maintaining the agent effective for a long term as well as the functions of corrosion inhibition and dispersion. With proper volume and density, the controlled releasing microcapsule can be prevented from being taken away by an extraction solution and can be added through a sleeve; and the controlled releasing microcapsule is simple in process and is strong in maneuverability. According to the controlled releasing microcapsule, volatile matters and harmful components which do harm to the human health are avoided; various components can be basically and slowly dissolved; the labor intensity of workers is reduced; and one-time agent addition can ensure stable operation for 30-90 days.

The invention belongs to the technical field of mechanical cutting tool manufacture, and in particular, relates to a micro-texture ZrVSiN self-adaptive coated cutting tool and a preparation process thereof. A basal body material of the cutting tool is ceramics or a hard alloy, and a micro-texture is processed on a basal body of a front tool face of the cutting tool; coating layers on the surface of the cutting tool is provided with a ZrVSiN self-adaptive coating layer and a Zr transition layer from top to bottom. The application of the ZrVSiN self-adaptive coating layer can make a layer of VO2, V2O3, V2O5 and other vanadium oxide products having a lubrication effect formed on the surface of the cutting tool through a reaction of V in a cutting process with oxygen in air, and a glaze layer with V2O5 glass phase is produced in quantity along with rising of the temperature, so that the friction of a tool-chip contact area is reduced; V2O5 is a liquid phase when the temperature is 500 DEG C or more, the micro-texture can store the V2O5 liquid-phase lubricant, and loss of the vanadium oxide products having the lubrication effect is prevented. The cutting tool can be widely applied in dry cutting and cutting processing of hard-to-process materials.

The embodiment of the invention provides a double-sided adhesive tape attaching device and method and relates to the field of preparation of electronic products. The problem that the attachment precision and attachment efficiency are low when double-sided adhesive tape is attached to the back face of a printed circuit board assembly (PCBA) can be solved. The double-sided adhesive tape attaching device comprises a driver, a workbench and manipulators arranged above the workbench. The manipulators are connected with the driver and used for putting the double-sided adhesive tape at the preset station of the workbench under driving of the driver, tearing off a first protective film of the double-sided adhesive tape at the preset station, pressing a printed circuit board on the double-sided adhesive tape with the first protective film torn off at the preset station and taking down the printed circuit board attached with the double-sided adhesive tape from the preset station. A positioning mechanism is arranged at the preset station, and used for fixing an adhesive layer and a second protective film when the manipulators are used for tearing off the first protective film and releasing fixation of the adhesive layer and the second protective film when the double-sided adhesive tape is attached to the printed circuit board.

The invention provides a sealing device of a vacuum moving element, which comprises a moving element and a sealing ring matched with the moving element, wherein the inner hole wall of the sealing ring, matched with the moving element, is provided with a plurality of annular storing slots; the inner hole wall and the storing slots are all provided with sealing grease layers or lubricant layers; the outer wall of the sealing ring is provided with a plurality of outer ring slots; a sealing circle is embedded into each outer ring slot; and the sealing circles are matched with the sealing inner wall of a cavity body. The sealing device has the bidirectional sealing property, in particular the sealing of excellent sealing property in the frequent large-travel reciprocating motion for a long time under the vacuum or high pressure difference conditions; the inner hole wall of the sealing ring is provided with the storing slots capable of storing a certain amount of sealing grease or lubricant to effectively supplement the sealing grease or the lubricant taken way by the motion of the moving element so as to maintain the excellent sealing property at the same time of reducing motion resistance; and the pretightening force is supplied through the deformation of the sealing circle, the sealing circle can supplement the abrasion of the sealing ring, and thus, the service life of the sealing ring is prolonged.

The invention relates to a novel magnet assembling and pressing jig. A carrier positioning mechanism used for bearing and positioning products is mounted on a bottom plate; a suction cup is mounted on a carrier of the carrier positioning mechanism; a rotary pressing mechanism used for assembling product magnets to products is mounted on the bottom plate; the rotary pressing mechanism is located just above the carrier positioning mechanism; products are adsorbed on the carrier; the products are clamped by a first positioning block, a second positioning block, a first positioning assembly and a second positioning assembly which are mounted on the bottom plate; the carrier positioning mechanism is capable of adjusting positions of the products and is accurate to position and convenient to adjust; the rotary pressing mechanism can be supported on a support block when not assembling the product magnets. The novel magnet assembling and pressing jig is high in assembling efficiency and high in positioning and assembling accuracy; the labor intensity of workers can be reduced; the pressing pressure can be determined; and the pressure can be retained for a period of time. In addition, after finishing assembling, a pressing cylinder is used for firstly lifting a magnet positioning plate by a section of distance, then the workers rotate the magnet positioning plate, thereby preventing the product magnets from being taken away from the products.

The invention discloses a sharing clothes dryer based on the internet of things. The sharing clothes dryer comprises a server and a clothes dryer body. The clothes dryer body comprises a shell. A quick response code payment unit and a run button are arranged on the shell. A placement cavity, a wireless communication unit, a clothes drying device and a controller are arranged inside the shell. An opening is formed in the portion, on the surface of the shell, of the placement cavity. The shell is provided with two cover plates. The two cover plates and the shell are rotationally connected for sealing the opening of the placement cavity. A locking unit for locking the two cover plate is further arranged between the two cover plates. The server is used for generating a signal to be fed back to the controller by receiving payment information from a mobile terminal; the controller is used for receiving the feedback signal from the server to close a circuit loop of the clothes drying device and controlling the locking device to be unlocked; the run button is used for controlling the clothes drying device to be started and stopped. The sharing clothes dryer has the advantages of being convenient to use, good in clothes drying effect, capable of facilitating payment and the like.

The invention provides a steel wire rope oiling device which comprises an oil supply mechanism, an oiling mechanism and a support mechanism, wherein the oiling mechanism comprises an oiling ring sleeve which is wrapped on the periphery of a steel wire rope, and the oiling ring sleeve is connected with the oil supply mechanism, so that the steel wire rope is coated with the oil by means of contact of the oiling ring sleeve and the steel wire rope; and the support mechanism comprises a positioning body, and the oiling ring sleeve is connected with the positioning body, so that the oiling ring sleeve is prevented from being taken away by the steel wire rope in the walking direction of the steel wire rope. According to the steel wire rope oiling device provided by the invention, the oiling ring sleeve wrapped on the periphery of the steel wire rope is adopted, the steel wire rope is coated with the oil by means of the contact of the oiling ring sleeve and the steel wire rope, and the steel wire rope is not required to be soaked in the oil, so that the oil waste can be effectively reduced, and uniform oil application is guaranteed; and moreover, the positioning body is adopted to position the oiling ring sleeve, so that the oiling ring sleeve is prevented from being taken away by the steel wire rope, the steel wire rope is oiled automatically by virtue of movement of the steel wire rope, the manpower is saved, and the safety is improved.

The invention relates to an automatic film tearing device. The automatic film tearing device comprises a third mounting seat, a carrier assembly, a left-right driving assembly and a film tearing assembly, wherein the carrier assembly and the left-right driving assembly are arranged on the third mounting seat, and the film tearing assembly is arranged on the left-right driving assembly and corresponds to the carrier assembly; the film tearing assembly comprises a film-tearing mounting plate, a film-tearing-driving-piece hinged block is arranged on the left side of the film-tearing mounting plate, a film-tearing driving piece is rotatably arranged on the film-tearing-driving-piece hinged block, and a film-tearing-driving-piece connector is connected with the driving end of the film-tearing driving piece; and the film-tearing-driving-piece connector is connected with one end of a rotary arm, the other end of the rotary arm is connected with one end of a rotary shaft, the rotary shaft is arranged on the film-tearing mounting plate in a penetrating mode, the other end of the rotary shaft is connected with a film-tearing swing arm, a film-tearing-clamping-jaw fixing block is arranged on the film-tearing swing arm, and a film-tearing clamping jaw is arranged on the film-tearing-clamping-jaw fixing block. According to the automatic film tearing device, the situation that a product is taken away in the film tearing process can be effectively prevented, and the film tearing effect is good.

The invention discloses a novel anti-theft suitcase. The novel anti-theft suitcase comprises a suitcase body which is provided with a control processor, a face recognition module, a voice recognition module, a GSM communication module, a GPS positioning module, a wireless anti-missing alarming device and a liquid crystal coded lock. A fingerprint recognition module is arranged on a pull rod of the suitcase, and a hidden inner bag is sewn in the suitcase. The novel anti-theft suitcase is characterized in that the liquid crystal coded lock is opened through face recognition, voice recognition and fingerprint recognition, a password is input on the liquid crystal coded lock to open the suitcase, and safety is high. Meanwhile, the suitcase is prevented from being stolen through the wireless anti-missing alarming device, and valuable articles and certificates can be stored in the hidden inner bag sewn in the suitcase.

The invention discloses an automobile engine oil-gas separator. The automobile engine oil-gas separator comprises a lower hollow cavity (1) and an upper shell (2); a gas inlet pipe (4) where mixed oil and gas enters is connected to the lateral face of the lower hollow cavity (1); an oil outlet pipe (5) is arranged at the bottom of the lower hollow cavity (1); a gas outlet pipe (6) is arranged on the upper shell (2); the lower hollow cavity (1) is internally provided with a first separation mechanism and a second separation mechanism; the first separation mechanism comprises a separation support (8) used for guidance and a cavity body (20) communicated with the gas inlet pipe (4); the cavity body (20) is located in the upper portion of the lower hollow cavity (1); the upper end of the separation support (8) is fixed to the inner wall of the upper portion of the cavity body (20) in a sealed mode; the gas inlet pipe (4) and the outer circumference of the cavity (20) is in tangential connection. The automobile engine oil-gas separator is high in efficiency and good in filtering effect.

The invention relates to the technical field of adhesive products and discloses a die cutting process of an adhesive product and an adhesive product thereof. The die cutting process comprises the following steps: S1, compounding a substrate protection film on a non-release surface of a release film; S2, carrying out die cutting of a waste discharging blade line on the release film, wherein the waste discharging blade line penetrates through the release film along a length direction of the release film, and the waste discharging blade line penetrates through an area corresponding to a silica gel product compounded on the release film of the release film; S3, covering the silica gel product on the release surface of the release film, wherein the silica gel product is located at the positionof the waste discharging blade line on the release film; S4, compounding a protection film on a non-gel surface of the silica gel product; and S5, removing the substrate protection film to obtain a finished adhesive product. Through the die cutting process, the defects of insufficient quantity and displacement of the finished product can be avoided; and the yield of the product is improved. According to the adhesive product, the waste discharging blade line is arranged on the release film, so that the situation that the silica gel product is taken away by the release film when discharging thewaste release film along the waste discharging blade line is avoided.

The invention discloses a tobacco extracting solution concentrating method which comprises the following steps: 1) adding an adsorption clarifying agent into a tobacco extracting solution according to the weight, reacting for 10-30 minutes, separating through a butterfly type separator, and collecting the tobacco extracting solution; 2) pre-heating the separated tobacco extracting solution to 40-60 DEG C; 3) pumping the pre-heated tobacco extracting solution into a vacuum concentrating heating tank of an ultrasonic transmitter arranged on the outer wall, and conducting vacuum concentration. According to the tobacco extracting solution concentrating method, the concentrating quality and the concentrating efficiency of the tobacco extracting solution are improved, and the growth of scale particles is inhibited and removed, so that the service life of equipment is prolonged, and the labor intensity is alleviated.

The invention discloses a self-adaptive regulating heat dissipation device capable of intelligently responding to hot spots of chip, comprising a heat dissipation device base plate and an upper coverplate, wherein a through hole is etched in the center position of the upper cover plate, a center fluid inlet corresponding to the through hole and having radius the same as that of the through hole is etched in the heat dissipation device base plate, a plurality of fractal micro-channels communicated with the center fluid inlet are further etched in the heat dissipation device base plate, a horizontal H-shaped thermal shrinkage type thermo-sensitive type hydrogel is embedded to each fractal micro-channel and in the side wall of each of two branch runners, pits are respectively formed in the other side walls of the two branch runners, and the pits and the hydrogel are arranged in a staggered way in the branch runner. The device is strong in heat exchange capacity, and small in flowing pressure drop. The hydrogel can intelligently respond to local hot spots of the chip and generate volume change in a certain temperature condition, so as to perform self-adaptive flow regulation and flowre-distribution on heat dissipation fluid in the fractal micro-channels, rapidly take away heat of local hot spots of the chip, and maintain the uniformity of the surface temperature of the chip.

The invention discloses a handle type window breaking device. The handle type window breaking device comprises a hollow window breaking device shell, an impact spring arranged in the hollow structure of the window breaking device shell, an impact assembly and an impact assembly handle triggering device used for triggering the impact assembly to move. The impact assembly comprises an impact rod and an impact block arranged at the front end of the impact rod. The impact block is in a triangular pyramid shape, any side face of the impact block is fixedly connected with the impact rod, and an impact block outlet is formed in the position, at the front end of the impact block, of the window breaking device shell. At least two sets of supporting bases are arranged on the inner wall of the window breaking device shell, the impact rod is clamped on the supporting bases, the rear end of the impact rod is fixedly connected with one end of the impact spring, and the other end of the impact spring is fixedly connected to the window breaking device shell. The handle type window breaking device is simple in structure, beneficial to loss prevention in the using process, good in breaking effect and easy to operate.

The invention relates to the technical field of textile float hair removing devices, and discloses a textile float hair removing device with double cleaning functions. The textile float hair removing device comprises a left bracket and a right bracket, wherein the right bracket is parallel to the left bracket, the left bracket is fixedly connected with the right bracket by virtue of a support rod, a roller is rotatably installed on the support rod, cloth is laid on the upper surface of the roller, a fan is fixedly installed on one side of the cloth and on the right bracket, a through groove which just corresponds to the fan is formed in the other side of the cloth and on the left bracket, and a collecting box is clamped in the through groove. According to the textile float hair removing device with the double cleaning functions, dust or float hair on products is pasted by utilizing a damp sponge block which does no drop water, and additionally, charges on the products can be carried away, so that the probability of generating static electricity of the products is reduced, and the product quality is guaranteed, the double cleaning functions are achieved, so that the cleaning strength is high, the cleaning is thorough, and the product quality is greatly increased.

The invention discloses a traditional Chinese medicine drying device comprising a base and a drying box. A stand column is connected with the right side of the upper end of the base. The upper end ofthe stand column is provided with a dehumidifier. A damping spring is connected with the middle of the upper end of the base. The upper end of the damping spring is connected with the lower end of thedrying box. The upper end of the drying box is sequentially connected with a feeding hopper, a drive motor and an air outlet pipe from left to right. The other end of the air outlet pipe is connectedwith the dehumidifier. An output shaft of the drive motor is connected with a stirring shaft. The upper portion of the left inner wall and the middle portion of the right inner wall of the drying boxare connected with a temperature sensor and a humidity sensor correspondingly. The lower portion of the left side of the drying box is connected with a discharging pipe. The lower portion of the right side of the drying box is connected with an air inlet pipe. The other end of the air inlet pipe is connected with a hot air blower. The dehumidifier is connected with the hot air blower through an air conveying pipe. The outer portions of the upper side wall, the left and right side walls and the front and back side walls of the drying box are all intertwined with heat storage and insulation fiber. The traditional Chinese medicine drying device has the advantages of being good in drying effect, low in energy consumption and high in cyclic utilization degree, reducing production cost, monitoring the temperature and humidity in real time and having high drying efficiency.

The invention provides a portable beacon detection device comprising a mobile trolley and a beacon detection device which can walk along a rail, the beacon detection device is installed on the mobiletrolley; the beacon detection device comprises a power supply module, an ARM processing, a radio frequency module, a display module, and an antenna, the radio frequency module transmits a radio frequency signal to the detected beacon or receives the radio frequency data returned by the detected beacon through the antenna; the ARM processor is in communication connection with the radio frequency module, and is configured to perform parsing processing on the radio frequency data to obtain the beacon data, and determine whether the detected beacon is good or bad according to the beacon data and display the result through the display module; and the power supply module is connected to the ARM processor, the radio frequency module, and the display module, and is configured to supply power to the ARM processor, the radio frequency module, and the display module.

The invention discloses a turtle robot. The turtle robot comprises a rectangular plastic box as a body of the turtle robot, wherein a sinking and floating mechanism controlling sinking and floating of the body of the turtle robot is formed in the rectangular plastic box; a plurality of water pumps distributed along three sides of the plastic box are fixedly connected to the outer wall of the rectangular plastic box, and the turtle robot is pushed to move forwards or leftwards and rightwards through the drainage of the water pumps; a rubbish filter is designed under the rectangular plastic box and comprises a water flow box; a propeller device is fixedly connected to the front of the water flow box and used for sucking water flow into the water flow box; a rubbish filtering net is formed behind the water flow box; a body movement driving mechanism is fixedly connected to the rubbish filter and is used for driving four limbs of the turtle robot to move; and a designed control system is used for controlling the sinking and floating mechanism, the water pumps, the body movement driving mechanism and the propeller device to work. The turtle robot is novel and reasonable in structure. Compared with other bionic turtles, the turtle robot is low in cost and integrates the functions of amusing and cleaning, thus having a high potential market value in places such as marine museums and swimming pools.

The invention relates to the field of shale brick production equipment, and particularly relates to a shale crusher dust collector. The shale crusher dust collector comprises a dust collecting disc, a negative-pressure fan, a cyclone dust collector and a tailing collecting tank, wherein the dust collecting disc is arranged on the upper edge of a crusher feeding opening; the dust collecting disc is provided with a circle of dust collecting holes with the diameters of 2-5mm; the dust collecting disc is connected with an inlet of the cyclone dust collector via a dust collecting pipe; the negative-pressure fan is arranged on the dust collecting pipe; the bottom of the cyclone dust collector is connected with a fine material collecting tank, and the top of the cyclone dust collector is provided with a tailing pipe; the tailing pipe leads to the tailing collecting tank filled with water; the end part of the tailing pipe is arranged into a flat pipe. The shale crusher dust collector has the beneficial effects that by the negative-pressure effect of the dust collecting disc, raise dust in the crusher fully enters the dust collecting disc, and the dust is collected and treated; moreover, the scheme is simple in structure, and is easy to realize.

The invention relates to a bridge construction device, in particular to a crack sealing assisting device for bridge construction. The technical problem to be solved by the invention is to provide thecrack sealing assisting device for bridge construction, and the crack sealing assisting device is capable of saving resources, improving appearance and facilitating use. The crack sealing assisting device for bridge construction provided by the invention comprises a base, a supporting plate, a horizontal plate, a first sliding rail, a first sliding block, support plates, first bearing seats and the like, wherein the supporting plate is connected to the top of the base; the horizontal plate is connected to the upper part of the front side surface of the supporting plate; the first sliding railis connected to the bottom of the horizontal plate; and the first sliding block is arranged on the first sliding rail. A heat lance can moves leftward to seal cutting cracks and a brush can move leftward and rightward to clean the ground, so that the crack sealing assisting device for bridge construction can clear sand and stones from the cutting cracks; and a nozzle can spray air on the sealed cracks to quickly dry the sealed cracks so as to achieve the effects of saving the resources, improving the appearance and facilitating the use.

The invention relates to a grate firing biomass boiler, which comprises a fire grate, a feeding device, a furnace hearth, a furnace hearth front arch, an overheater, a screen type water cooling wall, an overheater dust falling device and the like, wherein the material feeding device comprises a material pusher, a material falling passage, a radiation-proof separation wall and the like, the radiation-proof wall is arranged on a furnace wall between the material falling passage and the furnace hearth front arch, and extends for 100 to 600mm in the furnace hearth, a lower end surface angle gama is between 0 and 60 degrees, the dust falling device is arranged at the bottom part of the overheater, the width of the dust falling device is 0.7 to 1.3 times the width of the overheater, the height h of a separation plate is 0.7 to 0.95 time the height H of the center of the dust falling device, and both the angle gamma 1 of a first inclined plate and the angle gamma 2 of a second inclined plate are between 60 and 75 degrees. The invention has the advantages that the boiler material feeding radiation-proof structure can prevent the tempering, the material feeding device can be protected, the continuous operation of the boiler can be ensured, the overheater dust falling device can collect a part of smoke dust, can ensure that the smoke dust are brought away by airflows, and can prevent the abrasion on pipes caused by the accumulated dust of the overheater.

The invention relates to a toad cortex artificial collection method and a toad cortex separator with which the quality and yield of collected toad cortex can be improved. The method comprises the steps of toad collection, excretion, aging, disease prevention, liquid preparation, cortex molting, and collection. With the toad collection, excretion and aging steps, toad cortex quality can be improved. With the disease prevention, liquid preparation and cortex molting steps, toad cortex yield can be improved. The toad cortex separator comprises a glass tank, and the bottom of the glass tank is provided with a water injection port and a water discharge port. A plurality of movably connected transparent cells with communicating bottoms are arranged in the glass tank. A night vision camera is arranged above the glass tank, and is arranged on the glass tank through a stand.

A three-dimensional loom weaving mechanism comprises a heald lifting opening device, a weft insertion device, a weft sliding device, a weft fixing device and a beating-up device. When the weaving mechanism is used, a warp opening is formed by the heald lifting opening device through vertical staggering of different heald frames, the weft insertion device enables weft moves forward through a weft insertion rod and a weft insertion hook to penetrate through the warp opening, the weft penetrating out of the warp opening is dragged through the weft sliding device and the weft fixing device to facilitate follow-up weaving and beating-up, and the beating-up device conducts beating-up on weft and warp fabric; if a weft anti-carrying device is additionally arranged, weft connection between a vertical pull rod and a fixing rod is facilitated. The design is simple in structure, and high in working efficiency and precise control degree, the warp opening effect is good, the weft anti-carrying function is good, and the environmental protection property is high.

The invention discloses a straw type ecological slope protection structure and method. The straw type ecological slope protection structure comprises a hemp fiber layer, a netlike frame formed by straw and planting grooves, wherein the hemp fiber layer is laid on a side slope; the edges, the corners and the middle of the hemp fiber layer are fixed in side slope soil; the netlike frame formed by the straw is arranged on the hemp fiber layer; the positions, at the top and bottom of the slope, of the netlike frame formed by the straw are also fixed in the side slope soil; a plurality of triangular-prism-shaped chambers are formed in the netlike frame; the planting grooves are arranged in the triangular-prism-shaped chambers at intervals; and each of the surfaces of the planting grooves and the netlike frame is also covered with a layer of surface soil.

The invention belongs to the technical field of planting, and particularly relates to a cultivation method for early bearing and high yield of harba dendrolii nobilis. Layered laying is adopted when matrices are laid on a seedbed, and the laid matrices are different; cultivation is conducted by adoption of a stone pressing method, and final-period management comprises water management, illuminancemanagement, fertilization management, disease and pest control, weeding, pruning and harvesting. According to the method, through layered laying and different material selection of each layer of thematrices, it can be guaranteed that pathogenic microorganisms of the cultivation matrices of harba dendrolii nobilis tissue culture seedlings is low in content, and the breathability of the cultivation matrices is high, so that it is avoided that roots of the harba dendrolii nobilis rot due to waterlogging, and then the survival rate and the growing rate of the harba dendrolii nobilis are improved; moreover, the matrices are rich in nutrition, so that fast growth of the harba dendrolii nobilis is promoted.

The invention discloses an automatic dust removing method for the sample preparation and a dust removing system of the automatic dust removing method. The automatic dust removing method comprises the following steps: monitoring the working state of a sample preparing device in real time, judging the grade of the dust capacity according to the working state of the sample preparing device; and combining the working states of the dust capacity in different grades and the sample preparing device to control the power degree of the dust removing system. The dust removing system comprises a controller, a dust removing component, and a sample preparing device state detecting component used for detecting the working state of the sample preparing device in real time; the controller is connected with the dust removing component, and is provided with a stage grading judgment module in the working process of the sample preparing device and a dust capacity grading judgment module in the working process of the sample preparing device; and a sample preparing device state detecting component sends the collected sample preparing device working state signal to the controller, and the controller judges according to the collected sample preparing device working state and sends out a control order to the dust removing component. The automatic dust removing method and the dust removing system have the advantages of being high in degree of automation, controllable in dust removing process, capable of removing dust according to the actual working condition of the sample preparation and keeping the integrity of the material sample.

The invention discloses an immobilized enzyme biological reaction device and its application in treatment on nitrite in aquaculture water. The device is a rectangular box body and comprises left and right end faces and front, rear, upper and lower box walls. The two end faces are respectively provided with a water inlet and a water outlet. Immobilized enzyme filter plates are vertically arranged in the device along a water flowing direction. The immobilized enzyme filter plates are prepared from polyurethane foam suspensions fixed through a net. A barrier layer is arranged between the immobilized enzyme filter plates. The nitrite reductase is immobilized on the polyurethane foam suspensions, can directly and efficiently treat nitrite culture water and can prevent the nitrite reductase from being dispersed and washed away by waste water. Through the physical water seal effects of nitrite culture water flows, oxygen content of aquaculture water is reduced and the nitrite reductase reaction efficiency is greatly improved. The device has the advantages of less investment, small covering area, simple operation, low energy consumption and high efficiency and is suitable for industrial production.

The invention discloses a logistics cabinet facilitating express dispatching. The cabinet is divided into three layers of a bottom layer drawer, a middle layer drawer and a high layer storage area, the bottom layer drawer and the middle layer drawer are each shaped like a movable square groove, and the high layer storage area is shaped like a fixed square groove; wheel rods are installed on the two side edges of the middle layer drawer respectively, and a wheel is installed at the lower end of each wheel rod; a shading rod which can be turned up and down is installed on the upper edge of the high layer storage area, supporting rods are installed on the left edge and the right edge of the high layer storage area respectively, the supporting rods can be folded and are connected with the shading rod which is telescopic, the periphery of the shading rod is provided with a shade cloth, and lock catches are installed on the bottom layer drawer and the middle layer drawer respectively.

The invention discloses a ventilating bacteria culture-saccharification and fermentation integrated preparation process for rice-flavor baijiu and a special bioreactor, and belongs to the technical field of baijiu making. The preparation process comprises the following steps: rice cooking, koji adding, spreading, bacteria culture-saccharification and fermentation. The special bioreactor comprisesa tank body, a feed port, a discharge port, a water adding port, an exhaust port, an air supply device, a thermometer, a jacket, a jacket water inlet, a jacket water outlet and support legs, wherein the bottom of the tank body can be a conical, oval or flat-bottomed head; the air supply device is located 0.02-0.2 m right above the bottom of the tank body and supplies sufficient oxygen in the bacteria culture-saccharification stage, follow-up fermentation is facilitated, liquor yield is increased, and liquor flavor is improved. Bacteria culture-saccharification and fermentation are performed onthe same bioreactor, so that equipment use ratio is increased remarkably, space is saved, labor intensity of an operator is reduced, and production efficiency is improved.