69 results about "Sponge" patented technology

The invention discloses a gold-silver heterogeneous noble metal nano forest electrode based on a three-dimensional porous sponge substrate and a preparation method and application thereof. According to the electrode, flexible three-dimensional sponge is used as a substrate, gold and silver heterogeneous nanowires are grown on the surface of the flexible three-dimensional sponge in situ through a controllable chemical deposition process, and a conductive network with a bionic forest-shaped topological structure is formed. The hierarchical porous characteristic of the three-dimensional sponge skeleton is combined with the microscopic coarse structure of the nanowire, so that the effective sensing area of the electrode is synchronously enlarged in macroscopic and microscopic scales. The electrode can form a high-compliance interface with the skin without depending on traditional conductive gel, and weak electrocardiosignals and high-frequency electromyographic signals can be synchronously captured in a dry contact state. The technical bottlenecks of a traditional rigid electrode in the aspects of flexible fitting degree, dynamic stability and long-term wearing comfort are broken through, and a light-weight and high-sensitivity bio-electricity signal sensing solution is provided for the fields of wearable medical monitoring, intelligent man-machine interaction and the like.

The invention belongs to the technical field of trepang treatment, and discloses an automatic sectioning and impurity-removing processing device for salted trepang raw materials. The rack main body is used for supporting the conveying device, the pressing device, the expanding and supporting device and the material receiving device; the conveying device is used for continuously and automatically conveying the sea cucumbers and ensuring that the sea cucumbers are conveyed to corresponding positions without damage; the sectioning device is used for sectioning the belly of the sea cucumber to expose the interior of the sea cucumber; the pressing device is used for pressing and fixing the sea cucumber, so that the sectioning device sectioning the abdomen of the sea cucumber; the expanding and supporting device is used for expanding and supporting curled skin of the sectioned sea cucumbers and exposing sand mouths of the heads of the sea cucumbers; the sand nozzle removing device is used for positioning a sand nozzle part of the head of the sea cucumber and completely removing the sand nozzle part; the spraying device is used for cleaning the interiors of abdominal cavities of the sea cucumbers in the processing treatment process and flushing silt and other impurities in the abdominal cavities of the sea cucumbers; and the material collecting device is used for uniformly collecting the processed sea cucumbers, so that subsequent processing operation is facilitated.

The invention relates to the technical field of coatings, and discloses a deep-sea pressure-resistant shell protective coating and a preparation method thereof.The preparation method comprises the following steps that a base material is treated, epoxy resin modified polyurethane, reinforcing filler, anti-corrosion filler, a curing agent and a solvent are sequentially added according to a preset proportion and mixed to be uniform, primer is prepared, and the base material is sprayed with the primer; and then taking the isoxazole modified polyurea as finish paint, and spraying the finish paint on one side, deviating from the base material, of the primer to obtain the protective coating. The protective coating has excellent waterproof performance, impact resistance, wear resistance and organism adhesion resistance, and can effectively prevent corrosion factors such as moisture and various ions in seawater and various fouling organisms such as barnacles, mussels, oysters and sponges in seawater from being in contact with the surface of a base material.

The invention discloses an infrared monitoring jet device and method for removing limnoperna fortunei in a pipeline, and belongs to the technical field of pipeline maintenance and cleaning. The breeding of the limnoperna fortunei on the inner wall of the water conveying pipeline causes high cost, low efficiency, environmental pollution and the like; by arranging the infrared monitoring system, the growth condition of limnoperna fortunei on the inner wall of the pipeline can be accurately monitored in real time, and data can be transmitted to the control system in time; the control system performs deep analysis on the received data, and immediately controls the clearing execution system to start the high-pressure water jet device once judging that the scale of the limnoperna fortunei reaches a preset threshold value, so that the limnoperna fortunei is strongly scoured, and efficient clearing is realized; meanwhile, a hydroelectric generation system is ingeniously utilized, water flow power in the pipeline is converted into electric energy, and continuous and stable electric power support is provided for the whole device; the pipeline limnoperna fortunei cleaning device achieves automatic and environment-friendly cleaning of the pipeline limnoperna fortunei, has the remarkable effects of being efficient, energy-saving, safe, reliable and the like, and can be widely applied to maintenance work of various water conveying pipelines.

The utility model discloses an arma chinensis fallou feeding device, which relates to the field of insect feeding equipment, and comprises a feeding box, a liquid storage container and a liquid suction feeding part, the top of the feeding box is provided with a liquid inlet, the bottom of the liquid storage container is connected with a liquid guide pipe, the liquid guide pipe is communicated with the liquid inlet, and the liquid guide pipe is provided with a flow regulator; the liquid suction feeding part is vertically arranged in the feeding box, and the bottom of the liquid suction feeding part is in contact with feeding liquid in the feeding box and adsorbs the feeding liquid; by arranging the liquid storage container and the liquid guide pipe, feeding liquid can be continuously supplied to the feeding box, the liquid suction feeding part is arranged to adsorb the feeding liquid for arma chinensis to suck, and the feeding speed of the feeding liquid is adjusted through the flow adjuster, so that the feeding speed of the arma chinensis and the feeding speed of the feeding liquid are balanced; the method that in the prior art, soaked sponge, cotton and the like are placed above a rearing cage gauze for feeding is replaced, the feeding difficulty is greatly reduced, the feeding operation time of a breeder is saved, and the bug breeding technology is standardized.

This invention discloses a multi-stage flow-guiding dehydration structure for a purification vessel and a comprehensive aquatic environment purification vessel. The structure uses horizontal plates, multiple vertical plates, and horizontal railings to guide some moisture from solid waste into a second collection box, which is then discharged through a second drain hole. A sponge absorbs some moisture from the solid waste, and the remaining moisture is discharged through an outlet, thus reducing the moisture content of solid waste. The structure is characterized by comprising a hull, a first collection box, a second collection box, an L-shaped placement plate, horizontal plates, vertical plates, horizontal railings, inclined guide plates, a sponge, an outlet, a cap, and a short outlet pipe. The first collection box is embedded in a slot in the center of the top surface of the hull, and the first collection box has an open top surface, flush with the top surface of the hull. Two second collection boxes are respectively embedded in slots on either side of the top surface of the hull, and the second collection boxes also have open top surfaces.

The utility model relates to insect situation detection technical field especially a kind of internet-of-things insect situation information acquisition integrated equipment, it is composed of acquisition unit and trapping unit, the trapping unit includes support, the support is fixedly connected at the top of the acquisition unit, install trap lamp in the support inside, the support is equipped with several impact plates in the peripheral of trap lamp, the impact plate is detachably connected with the support by elastic structure;Wherein, detachably connected with cleaning member in the peripheral of the trap lamp, the cleaning member is used to clean the outer wall of the trap lamp, rotating mounting seat can be separated between impact plate and connecting portion by the way that it is changed by poking elastomer, realize the effect that impact plate is disassembled and cleaned or replaced, drive cleaning member to slide up and down along trap lamp, so that the sponge body inside cleaning member can clean the surface of trap lamp, prevent trap lamp surface dust or insect carcass accumulation influence light transmission.

The invention is suitable for the technical field of drainage pipelines, and provides an anti-crystallization replaceable filling type drainage pipe which comprises an upstream pipe, a downstream pipe, an impurity removal box and a water conveying pipe, and the impurity removal box and the water conveying pipe are arranged between the upstream pipe and the downstream pipe. Wherein a water inlet and a water outlet are formed in the two sides of the impurity removal box correspondingly, and a separation mechanism used for removing floating garbage is arranged in the impurity removal box; a sponge barrel is arranged in the water conveying pipe and used for absorbing water to reduce evaporation and reduce crystallization in the pipe. According to the anti-crystallization replaceable filling type drain pipe provided by the scheme, the hydrophilic polyurethane sponge barrel is filled in the pipeline, so that the problem of blockage caused by crystallization in the pipeline is solved, impurities can be cleaned, and the anti-crystallization replaceable filling type drain pipe is convenient to disassemble and assemble.

The utility model discloses a bark beetle trap with a counting device, which belongs to the technical field of bark beetle trapping and comprises a shell, a first support is fixedly mounted in an inner cavity of the shell, an extrusion mechanism is arranged at the bottom of the first support, an energy storage motor is started to drive a screw to rotate by arranging the extrusion mechanism, and the screw drives a surface lifting plate to move downwards. When the lifting plate is downward, a trapping agent in a pipe body is downwards extruded through a push plate, the trapping agent drips to the surface of a sponge body through a discharging pipe, the smell of the trapping agent is diffused through the sponge body, and the purposes that the trapping agent drips to the surface of the sponge body through the push plate, the smell is diffused through the sponge body and a trapping lamp is used are achieved, and bark beetles are attracted to enter the shell; trapping is achieved, and the trapping efficiency of the bark beetles is improved.

The invention belongs to the technical field of detection devices, and particularly relates to a complex geological environment imaging monitoring method and system, which comprises a shallow layer detection unit, a middle layer detection unit, a verification unit, a control host and a data acquisition and processing module, the borehole television is composed of a television probe, a transmission cable, a ground host, a winch and an auxiliary part. The device further comprises a sealing sleeve. When the cleaning ring moves, a water spray nozzle sprays water to the outer surface of the sealing sleeve to wash away impurities and moisten sludge at the same time, after the sludge is moistened, the cleaning sponge wipes the sludge, and the television probe observes the cleaning condition in real time; water in the cleaning sponge is extruded out through extrusion of the extrusion block, then when the cleaning sponge reciprocates again, the cleaning sponge absorbs the water on the outer surface of the sealing sleeve, drying of the outer surface of the sealing sleeve is accelerated, the cleaning time is shortened, and the detection efficiency is improved in cooperation with the air spraying effect of the air nozzles.

The invention discloses a karst geological cave detection device, and relates to the technical field of geological detection.The karst geological cave detection device comprises a shell and a touch display screen arranged on the top face of the shell, a through hole is formed in one side face of the shell, and a cleaning assembly is connected to the inner wall of the through hole; a humidity sensor, a pressure sensor and a probe rod which are connected with one another are arranged in the shell, and the humidity sensor is controlled to move through a displacement assembly; supporting legs are connected to the positions, on the two sides of the displacement assembly, of the outer wall of the shell, and the two supporting legs on the same side are controlled through an adjusting assembly installed in the shell. The extension length of the probe rod can be adjusted according to actual requirements, the humidity in soil can be detected, the humidity of the side wall of a karst cave can also be detected, and the height of the supporting legs can be controlled through the adjusting assembly, so that the shell is kept horizontal, and the detection efficiency is improved; the probe rod can be cleaned through the cleaning brush, and then the surface of the probe rod is dried through the rear annular sponge sleeve.

The present disclosure is directed to a device (100) comprising a sampling part (110), wherein the sampling part (110) comprises an array of capture zones (112) for sampling liquid volumes between tens of microliters and femtoliters, wherein some or all of the capture zones (112) contain a sponge-like material. Also disclosed are a method for the preparation of such a device and a method for the detection and determination of the presence, concentration and / or properties of an analyte by contacting a liquid sample with such a device.

The invention discloses a method for killing limnoperna fortunei in a raw water conveying pipeline by adopting ferrate, and aims to solve the problems of complexity in treatment of limnoperna fortunei in the raw water conveying pipeline, unqualified drinking water finally caused by conventional oxidizing agents containing chlorine and manganese and the like. According to the method for killing the limnoperna fortunei in the raw water conveying pipeline by adopting the ferrate, the ferrate is added into the raw water conveying pipeline containing the limnoperna fortunei, so that the concentration of Fe (VI) in a raw water system in the raw water conveying pipeline is kept at 0.5-1.5 mg / L, and the ferrate is continuously added for 1-15 days. According to the method, the ferrate is used for inducing oxidative stress on the target organism limnoperna fortunei, and Fe (III) is generated through reduction reaction of the ferrate, so that accumulation of toxic residues is avoided, the death rate of the limnoperna fortunei in a raw water pipeline can reach 80%-100%, and the adding mode of the ferrate in the limnoperna fortunei treatment process is simple, convenient and safe and has extremely high feasibility.

The invention relates to a porous PDMS sponge-based underwater pressure sensor and a preparation method and application thereof. The porous PDMS sponge-based underwater pressure sensor comprises: a porous elastomer dielectric layer, wherein the material of the porous elastomer dielectric layer is a porous PDMS sponge in which an ionic liquid is uniformly attached; the electrode layers are arranged on the upper surface and the lower surface of the porous elastomer dielectric layer and keep in contact with the porous elastomer dielectric layer; and the packaging layer is used for performing waterproof packaging on the sensor. The sensor can monitor the pressure of at least 10 kPa underwater, has stable response to the water depth of 2 mm, and shows good cycle stability. Moreover, the adopted preparation process is simple and low in cost, and has a wide application prospect.

This invention belongs to the field of insect experimental devices, specifically disclosing an experimental device for the interaction between antiviral agents and natural enemy insects. It includes a release box for releasing natural enemy insects and an experimental box detachably installed around the release box. The release box and the experimental box each have a first elongated hole and a second elongated hole. An adjusting plate that can close the first elongated hole is slidably connected inside the release box. The adjusting plate has a channel that connects to the first elongated hole. The channel can move along the length of the elongated hole with the adjusting plate to adjust the passage height of the natural enemy insects. A drawer is provided at the bottom of the experimental box for holding sponges that absorb different amounts of moisture to provide a humid environment inside the experimental box. A spray nozzle is provided at the top of the experimental box for spraying the agent inside. This invention is used to simulate different environments to observe the autonomous selection behavior of natural enemy insects under different conditions and explore their complex interactions with agricultural ecosystems.

The utility model relates to the field of biological storage, and discloses a parasite specimen collection and storage device which comprises a box body, a partition plate is arranged in the box body, the side wall of the partition plate is fixedly connected to the inner side wall of the box body, and an extraction structure and a storage structure are arranged in the box body on the front side and the rear side of the partition plate respectively. A box cover is hinged to the upper end face of the box body. According to the parasite storage box, by arranging the storage structure, samples can be placed in different grids of the storage box according to different types during use, and the internal humidity is improved and the internal temperature is reduced by filling cold water into the sponge in the cross plate, so that the activity of parasites in the cross plate is ensured, death is avoided, and the parasites are convenient to store; meanwhile, an extraction structure is arranged, so that the parasites stored in the box body are prevented from being influenced by opening the box body.

The invention discloses a formula of a food attractant and application of the food attractant in a sponge lure type insect sticking blue plate for trapping thrips inflorescens. The food attractant comprises essence with the mass concentration of 0.8%-1.2% and honey with the mass concentration of 50%-80%. According to the application mode, after being soaked in the food attractant, sponge is pasted and fixed to the centers of the two faces of a blue plate, and therefore the sponge lure type insect sticking blue plate device is formed. According to the device, active attraction of the food attractant and physical adhesion of the blue plate are combined, and the problems that the attraction effect of a pure blue plate is passive and poor, and operation is complex, cost is increased, resistance is improved, and environment pollution is caused by pure use of the food attractant or chemical pesticide are solved. Field trials show that the trapping effect on the flower thrips can be several times that of a blank blue plate, meanwhile, the trapping effect on ants, mosquitoes, flower flies and other insects is achieved, and the method has the remarkable advantages of being easy to operate, active in effect, long in lasting period, economical, safe, free of pollution and the like.

The application provides a grey tea geometrid pupa collecting device, and belongs to the technical field of pest pupa collection. The device comprises a rearing cage, a collecting box, a movable drawer, pupation medium and a breathable iron mesh. The collecting box is fitted and embedded on the inner side of the bottom of the rearing cage, and the top of the collecting box is a circular open structure. The movable drawer is movably arranged in the collecting box, and the side wall of the collecting box is provided with a drawer slot matched with the movable drawer. The pupation medium is laid in the movable drawer. The breathable iron mesh covers the top opening of the collecting box, a sponge body is arranged in the opening, and tea branches are placed in the collecting box through the sponge body. The device utilizes the natural habit of downward migration of grey tea geometrids, realizes the automation of pupa collection, and does not need manual collection one by one. The size of the rearing cage and the collecting box is fully matched, and they are seamlessly embedded without gaps, so that the matured larvae can accurately fall into the collecting box when migrating downward along the tea branches, and there is no risk of omission. The height of the rearing cage guarantees the extension space of the tea branches, and meets the climbing and feeding needs of the larvae.

The utility model provides a breeding box for simulating cave insect breeding and breeding, which comprises a box body, a box cover and a box door, a temperature controller, a humidity controller and a humidifier are arranged on the side wall of the box body, a black gauze structure is arranged on the inner side wall of the box body, a drawer or a gauze cage is placed in the box body, and the box cover is arranged on the box body. An opening groove is formed in the middle of the box cover, two parallel sliding rails are arranged on the two sides of the opening groove, an observation mirror and black cloth curtains are arranged on the sliding rails, the black cloth curtains are located at the two ends of the observation mirror, and the special cave environment can be accurately simulated. The sponge water supply device and the matrix soil chassis are designed to effectively meet the water supply and oviposition requirements of insects; the detachable combined structure supports modular function extension; the USB power supply mode adapts to field scenes, a more real living environment can be provided for the cave insects, the influence of observation on the insects is reduced, the research efficiency and the data accuracy are improved, and higher environmental adaptability and function flexibility are achieved.

The invention discloses a product positioning and identification method for a sponge curing process, and the method achieves the non-contact internal detection of a cured sponge product through a near-infrared transmission imaging technology, builds a gray scale and density corresponding relation, and provides a quantifiable structural data basis for the subsequent feature extraction. A dynamic threshold-guided semantic segmentation fusion algorithm is combined to construct a recognition model jointly driven by local gray statistics, settlement gradient correction and U-Net semantic segmentation, so that the limitation that single threshold segmentation is easily interfered by noise is broken through, high-precision recognition and boundary maintenance of a high-density settlement area are realized, and the method is suitable for large-scale popularization and application. The robustness and consistency of an image segmentation result are improved, meanwhile, through characteristic parameter systematic modeling, the centroid position of a high-density settlement area is defined as a first characteristic parameter, the weighted gray gradient extreme value in the vertical direction is defined as a second characteristic parameter, and quantitative characterization is established in the two aspects of macroscopic position distribution and microcosmic density gradient.

The utility model belongs to the field of concrete member curing equipment, and particularly discloses a curing box with a drainage structure, which comprises a box body, a water scraping component and a water blowing component, the water scraping component and the water blowing component are mounted at the upper part of the box body, an inclined plate is arranged at the bottom of the box body, a filter plate for placing a test piece is fixed above the inclined plate in the box body, and a drainage hole is formed in the lower end of the inclined plate; the water scraping assembly comprises a scraping plate slidably connected to the upper portion of the box body, a sponge block is fixed to the scraping plate, a water receiving box is fixed to the inner wall of the box body and used for receiving water in the sponge block, and the lower end of the water receiving box communicates with a first water pipe used for draining water; the water blowing assembly comprises a plurality of air pipes installed on the upper portion of the box body, and openings of the multiple air pipes face the side walls of the periphery of the box body. By adopting the scheme of the utility model, the problem that moisture is easy to condense into water drops on the inner wall of the box body, particularly the water drops on the top of the box body drop on a test piece, and the test piece is easy to be influenced for a long time can be solved.

The present application relates to a kind of near zero resistance temperature coefficient temperature-pressure flexible sensor and its preparation method.It belongs to the technical field of multifunctional sensor preparation.The present application provides a kind of sensor preparation method, which can simultaneously produce resistance and voltage signal response to external pressure and temperature stimulation, and has near zero resistance temperature coefficient (-0.000836% ℃ ‑1 ) effectively avoid the complex decoupling process of single resistance signal output and the problem of environmental temperature change affecting resistance signal accuracy.The preparation method of the sensor is as follows: NaCl particles are used as templates to prepare porous polydimethylsiloxane (PDMS) sponge, the surface of the sponge is modified by plasma modification technology, the modified sponge surface is combined with Ti3C2 MXene nanosheet through electrostatic attraction, then conductive Nafion resin is introduced to enhance the adhesion of Ti3C2 MXene nanosheet on the surface of the sponge, and finally metal electrodes are pasted on the upper and lower surfaces of the composite sponge through conductive adhesive to obtain a temperature-pressure flexible sensor with near zero resistance temperature coefficient.

The utility model discloses a simulation dinosaur model which comprises a movable mechanical device and an outer simulation surface layer, the outer simulation surface layer is arranged outside the movable mechanical device in a sleeved mode, and the surfaces of the head, the trunk and the limbs of the movable mechanical device are all fixedly connected with magnetic attraction blocks. According to the device, the movable mechanical device, the magnetic attraction block and the sponge fixing mechanism are designed, the high-density sponge is fixed to the surface of the mounting plate through clamping of the upper clamping plate and the lower clamping plate, and then the high-density sponge is attracted to the outer portion of the movable mechanical device in a magnetic attraction mode; the fixing mode of the sponge is simpler and more convenient, when the mechanical dinosaur is simulated to move, muscles of the high-density sponge can be synchronously bent, split joint movement and swing are not only needed any more, the overall impression is more real, the ornamental value is high, meanwhile, the skin material part does not need to be integrally replaced when repaired, and the cost is reduced. And the maintenance cost of the simulated dinosaur after long-term use is lower.

The invention discloses a water treatment material as well as a preparation method and application thereof, and belongs to the field of materials. The invention provides a water treatment material as well as a preparation method and application thereof in order to solve the problems of complexity and serious environmental pollution in the synthesis process of a water treatment material in the prior art and the problems that the water treatment material obtained after synthesis is low in pollutant removal rate and the material is easy to breed bacterial colonies in a humid environment. The preparation method comprises the following steps: (1) argon is used as inert shielding gas to inhibit excessive graphitization of a carbon skeleton and maintain abundant oxygen-containing functional groups (groups such as-OH,-COOH and-CHO are retained, and the density of the groups can be detected through FIIR); (2) hydrogen is used as a reducing agent to directly reduce the AgNO3 precursor into nano-silver, and an additional reducing agent is not needed; and (3) through direct heating (such as high-temperature calcination) or regulation and control of a heating program, the three-dimensional skeleton of the melamine sponge is used as a self-sacrifice template, a through type hierarchical pore structure is constructed, and the silver nano-loaded carbon material has excellent water treatment performance.

This application relates to the field of biological sample storage technology, and in particular to a rapidly assembleable low-temperature biological sample storage box and assembly method, comprising an insulated bottom shell, an insulated mounting shell above the insulated bottom shell, and an insulated top cover above the insulated mounting shell. The insulated bottom shell, the insulated mounting shell, and the insulated top cover are interconnected by a connecting body. A placement body is installed inside both the insulated bottom shell and the insulated mounting shell, and storage tubes are installed in uniformly distributed within the placement body. In this application, through the insulated bottom shell, the insulated mounting shell, the insulated top cover, the sponge board, the sealing frame, the placement body, the storage tubes, and the connecting body, the storage tubes containing biological samples can be installed through the placement body. Then, the biological samples are insulated and protected by the insulated bottom shell, the insulated mounting shell, and the insulated top cover, while the placement body cools the air around the storage tubes, making the storage of biological samples inside the storage tubes more stable.

The utility model provides a lepidoptera insect specimen transport case which comprises a case body, a case cover and a plurality of specimen protection boxes, a plurality of box placing grooves are formed in the case body, damping sponge is laid at the bottom of each box placing groove, and the specimen protection boxes are clamped in the box placing grooves; the specimen protection box comprises a box body and a box cover, a lower-layer sponge is arranged in the box body, and eva foam is laid on the bottom surface of the lower-layer sponge; an upper-layer sponge is arranged at the bottom of the box cover, abdomen reserved grooves are formed in the center of the lower-layer sponge and the center of the upper-layer sponge in a penetrating mode, and a preservative groove is further formed in the lower-layer sponge; the periphery of the box cover and the periphery of the box body are locked together through a set of buckles respectively, and in the locked state, the lower-layer sponge and the upper-layer sponge are pressed to slightly deform so as to flatten wings of specimens. The lepidoptera insect specimen transport case has the advantages of being good in protection effect, simpler to operate, large in containing quantity and suitable for large-batch transportation.

The invention relates to array spiral carbon nanofiber sponge and a preparation method thereof, and belongs to the technical field of carbon nanofiber materials. Nanometal is used as a catalyst precursor, a protective gas and a carbon-containing organic molecule gas flow into the catalyst precursor to react to prepare the spiral carbon nanofiber sponge, and the spiral carbon nanofiber sponge is a self-supporting sponge block formed by mutually and regularly winding and arranging spiral carbon nanofibers with the diameter of 99-174 nm. The structure of the array spiral carbon nanofiber sponge is a twisted spiral structure or a spring-shaped spiral structure. The sponge body is rich in pores, high in porosity and elastic, and has hydrophobic and oleophylic characteristics after surface treatment. The preparation method disclosed by the invention is simple and efficient in step, controllable in preparation, good in repeatability and expansibility and capable of realizing mass production.

The invention discloses a reduction control method for sponge zirconium production, and relates to the technical field of sponge zirconium production.The reduction control method for sponge zirconium production applies reaction equipment, the reaction equipment comprises a reactor, a large cover is arranged at the top of the reactor, and a sleeve is arranged in the middle of the surface of the large cover; a feeding pipe is arranged on one side of the cylinder sleeve in parallel, a sealing gasket is arranged in the cylinder sleeve, and a temperature measuring assembly is arranged in the sealing gasket in a penetrating mode. According to the reduction control method for sponge zirconium production, the temperature measuring element rotates while measuring the temperature at different heights, so that temperature measurement and timely feedback are performed on different areas, and the temperature distribution condition and change in the reactor can be accurately and effectively fed back; by the aid of the device, an operator can adjust in time to realize stable reduction reaction in the reactor, so that compactness of sponge zirconium ingots is improved, purity of sponge zirconium is improved, and product quality of the sponge zirconium is guaranteed.

The utility model provides a combined ornamental turtle breeding box, which belongs to the technical field of pet breeding and comprises a frame. The placing table is fixedly connected to the upper end of the frame; the stainless steel frame is placed on the placing table, and a glass plate is fixedly connected to the stainless steel frame; the ornamental table is fixedly connected to the lower inner wall of the stainless steel frame, sand is arranged at the lower end of the ornamental table, and a sponge layer is arranged at the lower end of the sand, through the combined design, the breeding box provides a transparent and stable ornamental interface, an observer is allowed to clearly observe the life habits of turtles, and the ornamental experience is enhanced; the arrangement of the ornamental table simulates the natural habitat of the turtles, and sand and a sponge layer are provided, so that not only is the digging and resting space provided for the turtles, but also the ornamental interestingness is increased.

The invention discloses a preparation method of an impregnated cathode and the impregnated cathode. The preparation method comprises the following steps: obtaining a heater assembly with a porous tungsten sponge body; reducing powder and an active substance are mixed according to the set mass ratio to form mixed powder, and the active substance can be reduced by the porous tungsten sponge body and the reducing powder respectively; inverting the heater assembly to enable the porous tungsten sponge body to be placed in the molybdenum boat, fixing the heater assembly, and adding a proper amount of mixed powder into the molybdenum boat to bury the porous tungsten sponge body; placing the molybdenum boat in which the heater assembly is placed in a hydrogen furnace, preserving heat for a set time according to a set temperature to melt the active substance, and impregnating the active substance and the reducing powder in holes of the porous tungsten sponge body to form an impregnated cathode; the heater assembly is taken out and the surface of the impregnated cathode is polished. According to the method, enough free barium can be generated at a relatively low temperature and transported to the emission surface, so that the production rate of the free barium is increased, the work function of the emission surface is reduced, and the emission capability is improved.