78results about How to "Guaranteed low temperature environment" patented technology

Synchronous induced spawning for parent fish better solves the problem of sexual maturity through synchronous development of female and male parent fish. The invention discloses an artificial propagation method for sturgeon, which comprises the steps of selection of parent fish, parent fish rearing, induced spawning, artificial insemination, zygote hatching, artificial selection of fish fry, and fish fry rearing. In the artificial propagation method, by artificially reducing water temperature and ambient environment temperature, micro water flow is formed to simulate the ecological environment for the reproduction of sturgeon, the simulated ecological environment is similar to the conditions necessary for the reproduction of wild sturgeon in the natural world, and the artificial low temperature factor lasts for a long time, so as to always guarantee the low temperature environment for the maturity and awaiting delivery of parent fish of the sturgeon, and meet other condition requirements, so that the parent fish can rut and spawn all year round to finally achieve the factory production of the sturgeon fry; meanwhile, in the artificial propagation method, female parent fish and male parent fish of the sturgeon are separately put into an artificially simulated ecological environment for inducing oestrus, and then the degree of sexual maturity of the parent fish is identified to select the parent fish with basically developed sexual maturity.

A conveyer belt type sub-zero treatment device comprises a heat insulation box body, a liquid nitrogen distributing and sprinkling device and an upper blower, wherein, the liquid nitrogen distributing and sprinkling device is connected with a liquid nitrogen tank, a liquid spraying pipe of the liquid nitrogen distributing and sprinkling device extends into the heat insulation box body, the upper blower is arranged at the upper part of the inner cavity of the heat insulation box body which is provided with a conveyer belt, the front end and the rear end of the conveyer belt are respectively sheathed on a drive wheel which is connected with a drive unit, the front part of the heat insulation box body is provided with a feeding guide plate, and the rear part of the heat insulation box body is provided with an outlet vibrating feed plate, an upper mesh baffle is respectively arranged under the liquid spraying pipe of the liquid nitrogen distributing and sprinkling device and the upper blower, a side mesh baffle is arranged on the side of the conveyer belt, and the lower part of the side mesh baffle is provided with side meshes which are arranged under the upper conveyer belt. The sub-zero treatment device can be applicable to conveyer belt type production line operation.

A toner comprising: a toner particle that contains a binder resin and a colorant: and an external additive, wherein (1) the average circularity of the toner is at least 0.960; (2) the fixing ratio of the external additive on the toner particle is from 75% to 100%; and (3) in a differential curve obtained by the differentiation, by load, of a load-displacement curve where the horizontal axis is load (mN) and the vertical axis is displacement (μm), the load-displacement curve being provided by measurement of the strength of the toner by a nanoindentation procedure, a load A that provides a maximum value in the differential curve in a load region from 0.20 mN to 2.30 mN is from 1.15 mN to 1.50 mN.

The invention relates to an automatic liquid nitrogen filling refrigeration device of a high-temperature superconducting magnet. The refrigeration device comprises a magnet cooling dewar flask, a nitrogen evaporation pipeline, a liquid nitrogen pipeline, a liquid nitrogen communication vessel and an outside liquid nitrogen vessel, wherein the magnet cooling dewar flask comprises an inner liner and an outer liner; a vacuum interlayer is formed between the inner liner and the outer liner; the outer liner is connected with an upper end cover of the magnet cooling dewar flask by flange bolts; a permanent magnet is arranged above the upper end cover; cold conducting discs are respectively arranged on the two outer sides of the top of the inner liner; the high-temperature superconducting magnet generating a suspension force with the permanent magnet is arranged above the cold conducting discs; the nitrogen evaporation pipeline penetrates through the tops of the outer liner and the inner liner; the liquid nitrogen pipeline penetrates through the bottoms of the outer liner and the inner liner; the nitrogen evaporation pipeline is connected with one port at the top of the liquid nitrogen communication vessel by a first hose; a port at the bottom of the liquid nitrogen communication vessel is connected with the liquid nitrogen pipeline by a second hose; and another port at the top of the liquid nitrogen communication vessel is connected with a port of the outside liquid nitrogen vessel by a third hose.

The invention relates to the technical field of refrigerating containers, and discloses a vehicle-mounted fresh-keeping and refrigerating container structure. The vehicle-mounted fresh-keeping and refrigerating container structure comprises an outer container and an inner container, wherein a heat insulation layer is arranged between the outer container and the inner container; a cover is arranged at the opened end of the outer container; a heat conducting plate is arranged at a bottom plate of the inner container; a freezing chamber is formed between the heat conducting plate and the bottom part of the inner container; a flat cold storing tank is arranged in the freezing chamber; liquid carbon dioxide fills the cold storing tank; a cold storing pipe is connected with the inner container through an exhausting pipe; a vertical liquid storing pipe is arranged at the inner wall of the left side of the inner container; hydrargyrum is stored in the liquid storing pipe; a slide sleeve in which a piston capable of being lifted up and down is arranged is fixed to the lower end of the liquid storing pipe; a propping rod is fixed to the lower end of the piston; a mechanical valve on which a valve rod is mounted is arranged at a position, on the lower end of the slide sleeve, of the exhausting pipe; a returning spring is arranged at the lower end of the valve rod, and the upper end of the valve rod is propped to the slide sleeve; a pressure limiting valve is arranged on the cover. The vehicle-mounted fresh-keeping and refrigerating container structure is capable of automatically adjusting and keeping the inner container in a low-temperature environment without electricity consumption, so that the product storing time, such as the meat product storing time, can be prolonged.

The invention discloses a heat insulation shopping bag. The heat insulation shopping bag comprises a double-layer structure which respectively comprises an outer bag positioned on an outer layer and an inner bag positioned in an inner layer. A plastic foam heat insulation layer and a freezing medium layer are sequentially arranged between the inner bag and the outer bag. Accordingly, due to the fact that the inlayer structure serves as a heat insulation shopping bag main body, the plastic foam heat insulation layer adheres to the outer bag, and the freezing medium layer adheres to the inner bag. Accordingly, on one hand, the plastic foam heat insulation layer has heat insulation effects and can well keep the low-temperature environment of the heat insulation shopping bag through the freezing medium layer; on the other hand, and the freezing medium layer can directly provide the low-temperature preservation environment for frozen fresh-keeping foods in the inner bag. The heat insulation shopping bag greatly prolongs unfreezing time of the frozen foods, and freezing and preservation of commodities are effectively guaranteed.

The invention discloses a frequency converter. At least four cavities are formed in a chassis; the first cavity is provided with an AC wire incoming unit; the second cavity is provided with a DC wireincoming unit; the third cavity is provided with an AC filter unit; the fourth cavity is provided with a converter unit; the first side plate of the third cavity is provided with a first fan; a vent hole is formed in the second side plate; the first fan is used for extracting hot air in the third cavity; the back side of the fourth cavity is provided with a refrigerant heat transfer system; and the refrigerant heat transfer system is used for conducting heat in the fourth cavity outside the fourth cavity. According to the frequency converter provided in the invention, through optimizing the internal layout and the installation of the frequency converter, reliable heat radiation of the frequency converter can thus be ensured, and thus the frequency converter has a simple structure and is easy to manufacture and install.

The invention discloses an internal buffer device for a high-speed rail logistics carriage. The device comprises a logistics carriage main body, side plate pressing buffer devices and a movable loading and unloading device, wherein the two sides of the interior of the logistics carriage main body are movably connected with side plate pressing buffer devices; the bottom of the logistics carriage main body is movably connected with a movable loading and unloading device; a carriage cleaning protection device is fixedly connected to the top in the logistics carriage main body; corner protection pads are fixedly connected to the two ends of each side plate pressing buffer device. One end of the logistics carriage main body is fixedly connected with a cargo information marking plate; the cargoinformation marking plate is convenient for workers to distinguish the carriage; the carriage cleaning protection device is beneficial to inhibiting the survival of germs; the storage quality of goodsin the carriage is improved, the movable loading and unloading device effectively facilitates loading and unloading work, the loading and unloading speed is increased, the buffer protection performance of the freight carriage is greatly improved through the side plate pressing buffer device, and the device is suitable for being used in the technical field of high-speed rail logistics and has widedevelopment prospects in the future.

The invention discloses an apparatus and method for surface micro/nanometer carbonization modification of fly ash. The apparatus mainly comprises a reaction tank, a stirring device, a gas dispersing device, an insulation interlayer, etc. The method comprises the following steps: injecting a crystal form controlling agent and lime milk into the reaction tank at first; then adding fly ash into the reaction tank and uniformly dispersing the fly ash by using the stirring device; injecting carbonization gas from the bottom of the reaction tank via the gas dispersing device and carrying out a carbonization reaction; and bringing heat produced in the reaction away by using cooling water flowing in the insulation interlayer from bottom to top. The apparatus improves the rate of the carbonization reaction by using the bottom carbonization gas dispersing device and creates a stable environment by using the insulation interlayer where the cooling water flows from bottom to top so as to promote surface nucleation and uniform coating of matrix particles of the fly ash.

The invention discloses a multi-parameter water quality online monitoring integrated system and a monitoring method thereof, and belongs to the technical field of water quality online monitoring. According to the multi-parameter water quality online monitoring integrated system and the monitoring method thereof, the multi-parameter water quality online monitoring integrated system comprises an outdoor unit, and an outdoor unit air-conditioner is installed outside the outdoor unit so as to keep the constant-temperature and constant-humidity environment inside the outdoor unit; the outdoor unitsequentially comprises a chemical reaction box, a reagent box and an electrode box from top to bottom, and a multi-way valve integration module is arranged in the chemical reaction box and is communicated with a pump valve integration module through a reagent quantifying ring, so that the detection efficiency and precision are improved; the multi-way valve integration module respectively forms integrated flow path channels, the channels are respectively introduced into various detection reagents in the reagent box, and various parameters in online monitoring water quality are measured througha chemical colorimetric method, so that the integration degree is higher, and intelligent automatic measurement can be realized.

The invention discloses a refrigeration device (1) and a storage container (2) of the device. The storage container (2) comprises a heat insulation shell (20) which is provided with a storage space (21), and the storage container (2) is provided with cooling units (22 and 22') used for cooling the storage space (21). When the storage container (2) is arranged outside the refrigeration device (1), the cooling units (22 and 22') perform cooling heat preservation on the storage space (21), the shell (20) isolates heat exchange between the exterior environment and the storage space (21), low-temperature environment of the storage space (21) is maintained, and long-time freshness of food is maintained. Compared with the manner that food is stored in the refrigeration device (1), the container has the beneficial effects that the storage container (2) is used, a user can quite conveniently store and use food outside the refrigeration device (1), particularly for the instant food such as cold dish, salad, sashimi and the like, the low-temperature state of the food can be maintained only on the dining table, and the user can eat quite conveniently.

The invention provides a rotary color master batch cooling device which comprises a cooling box, a cone-shaped feed inlet formed in one side of the upper part of the cooling box, a discharge port formed above the cone-shaped feed inlet, a conveying device arranged on the upper part of the inner side of the cooling box below the cone-shaped feed inlet, an exhaust structure arranged in the cooling box, a cooling device connected to the exhaust structure, a purging device arranged at the bottom of the cooling box and a plurality of discharge ports. By arranging a spiral air hose at the cone-shaped feed inlet, color master batch is cooled preliminarily conveniently. A coil pipe is arranged between the side walls of an outer box body and an inner box body, so that a low-temperature environmentin the box body is guaranteed. The conveying device is arranged in the box body, so that the time of the color master batch in the box body is prolonged, and meanwhile, a second exhaust plate is arranged between an upper conveyor belt and a lower conveyor belt, so that the cooling effect of the color master batch is improved greatly. A first exhaust plate is arranged between the outer box body andthe inner box body, so that the cooling effect of the color master batch is further improved. The purging device is arranged at the bottom of the box body, so that the sticky color master batch is separated conveniently.

The invention provides medicine storage equipment in pharmaceutical enterprises. The equipment comprises a medicine storage box, a fixed plate whose one side is fixed on one side of the inner wall ofthe medicine storage box through fixed screws, a dehumidifying frame whose one side is fixed on the other side of the fixed plate, and two U type frames whose leaving sides are fixed at the top and the bottom of the inner wall of the dehumidifying frame. According to the medicine storage equipment in the pharmaceutical enterprises, in the process of cold air entering the box, the cold air is dehumidified by the dehumidifying plate, so that the humidity of the cold air is effectively reduced, the damping deterioration of medicines is prevented; through arrangement of such devices as a verticalrod and a drying ball, the center parts of the medicines in the medicine storage box still can be effectively dehumidified; and a certain intervals are formed in a lot of medicines for effective ventilation, cooling and dehumidification of the centers of medicine piles to facilitate storage of the medicines.

The invention belongs to the technical field of biology, and particularly discloses a low-temperature rotary blending box which comprises a heat preservation box body and a ball body. The ball body comprises an upper ball body and a lower ball body which are detachable; an opening is formed in the upper portion of the heat preservation box body, a fixedly-installed ice box is arranged in the heat preservation box body, and ice is arranged in the ice box. After a standard EP tube is inserted into the ball body, the heat preservation box body is placed on a shaking table, the ball body continuously rolls along with shaking of the shaking table, and a target protein solution of the standard EP tube in the ball body is continuously shaken, so that the target protein solution is uniformly mixed. According to the scheme, a target protein solution in a standard EP tube can be uniformly shaken, and the experiment cost is relatively low.

The invention provides a cooling device for cable processing. The cooling device comprises a cooling box; supporting legs are fixedly mounted at the bottom of the cooling box; a partition plate is mounted in the cooling box; a cooling water tank is mounted on the left side of the partition plate; a recovery tank is mounted on right of the partition plate; a wire inlet pipe is connected with a leftside plate of the cooling box; a first wire guide wheel is installed on the inner wall of the left side plate of the cooling box; a wire pressing wheel is installed in the cooling water tank; a firstwiping device is installed on the partition plate, and the two ends of the first wiping device extend to the two sides of the partition plate correspondingly. The invention relates to the field of electrical machinery. According to the cooling device for cable processing, the wiping device is mounted in the cooling box, and air cooling and water cooling are combined for cooling, so that the cooling effect can be improved; a water-cooled cable can be wiped, residual moisture on the surface of the cable is removed, manual post-treatment is not needed, time can be saved, and the working efficiency can be improved.

The invention provides a cooling and heating air conditioner and refrigerator integrated all-in-one machine. The cooling and heating air conditioner and refrigerator integrated all-in-one machine solves the problems the energy is not saved and the space utilization ratio is reduced since the existing air conditioner and the refrigerator independently operate. The cooling and heating air conditioner and refrigerator integrated all-in-one machine comprises a box body, wherein the box body is divided into an air conditioner box body and a refrigerator box body, a compressor and an evaporator are arranged in the air conditioner box body, an air inlet is formed in the air conditioner box body on the rear side of the evaporator, an air conditioner fan is arranged on the front side of the evaporator, an air outlet which can be controlled to be opened and closed is formed in the air conditioner box body on the front side of the air conditioner fan, a liner is arranged in the refrigerator box body, a plurality of object shelf baffles are arranged in a chamber formed by the liner, a door is arranged on the front side of the refrigerator box body, a communicating air duct is arranged between the air conditioner box body and the refrigerator box body, a gate fan is arranged on the communicating air duct, an exhaust port is formed in the bottom of the refrigerator box body and a gate switch is installed at the exhaust port. The cooling and heating air conditioner and refrigerator integrated all-in-one machine has the characteristics that the equipment cost is reduced, the machine utilization ratio is improved, the occupied space is reduced and the like.

The invention discloses an anti-blocking drainage device used for the thoracic surgery department, and belongs to the technical field of thoracic surgery department drainage devices. The anti-blocking drainage device used for the thoracic surgery department comprises a bottom supporting mechanism, an equipment stand column, a sampling device, a recovery box, a drawer component, an operation table, a drainage device and a display. An arranged negative-pressure bottle consists of a durable suction bottle and a disposable drainage bag, through an electric suction apparatus connected to a T-shaped tee-junction pipe, a gap between a disposable drainage bag and a bottle body in the bottle and the inner space of the drainage bag are simultaneously sucked to form a negative-pressure state, and therefore, liquid is sucked into the drainage bag through a suction head. The whole process is safe and sealed so as to avoid nosocomial secondary cross infection. Due to the display arranged on the equipment stand column, a field situation can be recorded in real time so as to be convenient for later-period searching, recording or empathic learning. The anti-blocking drainage device used for the thoracic surgery department improves a drainage effect, is convenient in sampling and has high practicality.