21 results about "Spongilla" patented technology

The application belongs to the field of sponge production equipment, and particularly relates to a safe and environment-friendly sponge product forming equipment, which comprises a stirring device, the lower part of the outer surface of the stirring device is movably connected with a forming box, the lower surface of the forming box is uniformly provided with adjusting support legs, the forming box comprises an outer box shell, the inner wall of the outer box shell is slidably connected with an adjusting frame, the shaft center of the upper surface of the adjusting frame is provided with a through hole, and the shaft center of the upper surface of the adjusting frame is rotatably connected with a sealing cover through the through hole. In the process of sponge expansion, the bottom plate covers the upper surface of the sponge block under the action of gravity, so that the outer surface of the produced sponge block is relatively flat as a whole, almost no cutting processing is needed, waste phenomenon caused by direct scrapping of cutting edges and corners is avoided, the expansion speed of the sponge block is limited, sponge block internal structure is prevented from being too loose due to too fast expansion of the sponge block.

This invention discloses a dynamic adaptive ecological slope protection system and method suitable for reservoir bank drawdown zone slopes, belonging to the field of water conservancy engineering and ecological restoration. The system includes an anchoring system, a lifting vegetation trough, an integrated water collection system, and a linked water supply device. The anchoring system uses self-weight triggered self-locking anchors to achieve locking upon installation. The vegetation trough can freely rise and fall along the anchors with the water level, and contains a soil layer and a water-storing sponge layer. The water collection system automatically controls water flow through a float valve, and the linked water supply device relies on elastic expansion and capillary action to achieve water storage during submersion and automatic water supply during emergence. Construction adopts a bottom-up modular installation, using the floating plate of the vegetation trough as a working platform, eliminating the need for high-altitude facilities. This invention can adapt to the off-season hydrological rhythm of the drawdown zone, improving slope stability and vegetation survival rate. It requires no external energy or human intervention and has advantages such as convenient construction, low operation and maintenance costs, and eco-friendliness, making it suitable for ecological protection of reservoir and lake drawdown zone slopes.

This invention discloses a method for preparing regenerated cellulose sponge, belonging to the field of cellulose processing technology. The invention uses a superbasic ionic liquid as a solvent to dissolve cellulose slurry, then adds a pore-forming agent, a foaming agent, and reinforcing fibers, mixes them, and proceeds with heating for foaming, anti-solvent coagulation for impurity removal, and finally chemical cross-linking with epichlorohydrin, washing, and drying to obtain the regenerated cellulose sponge. This invention features mild dissolution conditions, a stable system, and recyclable ionic liquid. Through a five-step process of dissolution, mixing, foaming, coagulation, and cross-linking, the resulting sponge has a density ≤0.11 g / cm³, a maximum wet tensile strength of 126 kPa, a water absorption rate of up to 31 times its own weight, and can be stably cyclically compressed more than 3000 times. It combines low density, high wet strength, high elasticity, and high water absorption, making it suitable for applications in cleaning, medical, and packaging fields.

This invention belongs to the field of oil-water separation and environmental remediation materials technology, specifically disclosing a superhydrophobic melamine sponge with magnetic drive, photothermal synergy, and photo-Fenton dye degradation functions, as well as its preparation method. First, photothermal magnetic nanomaterial C@Fe3O4 is synthesized via a hydrothermal method. Then, a PDMS-cured system, C@Fe3O4, and CNT nanoparticles are ultrasonically dispersed in a hexane solution in a one-step process. Finally, the melamine sponge is immersed in the solution, ultrasonically cooled, and then dried and cured to obtain a superhydrophobic melamine sponge with magnetic drive, photothermal synergy, and photo-Fenton dye degradation functions. This process is simple, efficient, uses widely available raw materials, and is environmentally friendly. The prepared sponge not only possesses significant superhydrophobic properties but also exhibits excellent magnetic properties, efficient photothermal conversion effect, stable environmental adaptability, and excellent organic dye degradation performance. It can be efficiently applied to the recovery and purification of oil substances and organic reagents in complex marine environments.

This invention belongs to the field of biomaterials and tissue engineering technology. It relates to a PRP-loaded dopamine-modified 3D nanofiber sponge and its preparation method. The PRP-loaded dopamine-modified 3D nanofiber sponge prepared by this invention utilizes a biomimetic design strategy, inspired by the adhesion mechanism of marine mussels, and employs PDA (polydopamine) surface modification technology to form a bioactive interface layer on the nanofiber surface. The active functional groups on the PDA surface bind with growth factors in PRP, forming a stable PDA-PRP composite functional layer. While maintaining the high porosity and suitable mechanical properties of the 3D nanofiber sponge, the biomimetic modification with polydopamine improves the loading efficiency of PRP and the interfacial bonding strength, thus extending the sustained-release period of growth factors.

The utility model relates to the technical field of aquatic product transportation packaging boxes, and discloses a packaging box for fresh water crab transportation, which comprises a box body and a box cover, a placing plate is arranged in the box body, a mounting groove is formed in the top of the placing plate, a limiting assembly is arranged on the inner bottom wall of the mounting groove, and the limiting assembly comprises a supporting block and a limiting frame. Limiting frames are fixed to the two sides of the top of the supporting block, a groove is formed in the top of the supporting block, and a first sponge block is placed in the groove; according to the crab storage box, the structures such as the placement plate, the supporting blocks and the limiting frames are designed, so that the placed crabs can be limited, the crabs can be placed one by one, on one hand, the situation that the crabs are disordered in the box due to shaking during transportation can be avoided, and on the other hand, the storage box is convenient to use; on the other hand, the crabs can be prevented from colliding everywhere, so that the crabs can be prevented from being damaged, and the fresh rate of the crabs transported to the destination is increased.

The utility model relates to the technical field of breeding equipment, and disclose a kind of zero water change of sand class aquatic animal circulation water aquaculture equipment, including several breeding barrels, and the multifunctional barrel is equipped in breeding barrel side, and ceramic filter layer is placed in the bottom of breeding barrel inner wall, and sand filter screen is fixed in the top of ceramic filter layer in breeding barrel inner wall, and breeding sand layer is equipped in the upper portion of sand filter screen, the device is integrated bottom water flow plowing, microfiltration separation and low oxygen denitrification triple technology by breeding barrel and multifunctional barrel, microfiltration machine is realized water efficient solid-liquid separation by screen dynamic interception mechanism, to remove larger impurities in aquaculture wastewater in physical interception mode, sponge barrel top connecting cover plate creates low oxygen environment, and internal filling biochemical sponge, after the water treated by microfiltration machine, further denitrification reaction occurs, reach the water quality purifying effect, and oxygen and water are efficiently mixed by gas-liquid rotation mixing and gradient dissolution mechanism of dissolving oxygen device, so that oxygen-rich water enters breeding barrel.

The underwater sea urchin collecting device comprises a machine body which is provided with a crawler belt and a propeller for driving to move, the front end of the machine body is provided with a collecting device and a camera, and the middle rear part of the machine body is provided with first to third cavities, a sea urchin storage cavity and a connecting channel. The collecting device adopts a polyurethane foam plate or a silica gel sponge plate, and the sea urchins are shaken off to a conveying belt through rotation to enter a first cavity; an impeller in the first cavity pushes the sea urchin to the second cavity through a channel I (wherein a rotary drum is arranged in the channel I to break and grind away thorns), a spiral flow deflector separates the sea urchin from the thorns and chippings, and the chippings are discharged through a reducing spray pipe; the sea urchin enters the third cavity through the second channel, is flushed by the flushing device and then enters the storage cavity through the third channel. All cavities and channels are lined with food-grade silica gel, so that the surface shells of the sea urchins are prevented from being damaged, and intelligent collection, thorn removal, cleaning and storage of the sea urchins are realized.

The application relates to the technical field of water collection and drainage, in particular to an assembled linear sponge type water collection and drainage facility, which comprises an egg-shaped drainage ditch and a linear water collection and sponge type drainage side ditch, the linear water collection and sponge type drainage side ditch comprises a plurality of modular drainage ditches, the plurality of modular drainage ditches are distributed along the length direction of a road, the modular drainage ditch comprises a buried section and a kerb, the egg-shaped drainage ditch is arranged in the buried section, the egg-shaped drainage ditch is arranged along the length direction of the road, the top of the egg-shaped drainage ditch is provided with a linear water collection structure, and a continuous and gradually expanding water passing channel is formed by the top opening of the egg-shaped drainage ditch; a plurality of sponge type water seepage holes are arranged on the side of the egg-shaped drainage ditch, the sponge type water seepage holes are located on the lower side of the center of the egg-shaped drainage ditch, and the plurality of sponge type water seepage holes are uniformly arranged along the arrangement direction of the egg-shaped drainage ditch; and the application has the effects of facilitating source reduction and reducing the runoff of rainwater.

This utility model discloses a sponge with good resilience, comprising a sponge base layer, a rebound material layer, a sponge interlayer, a mesh layer, a sponge surface layer, and a protective layer. The sponge base layer, rebound material layer, sponge interlayer, sponge surface layer, and protective layer are bonded together in sequence from bottom to top, and a mesh layer is provided between the sponge interlayer and the sponge surface layer. The rebound material layer has a wavy structure, and the upper surface of the rebound material layer is adapted to the lower surface of the sponge interlayer. The wavy structure increases the contact area between the rebound material layer and adjacent sponge layers, which can better disperse and absorb external forces. The combination of crests and troughs allows the rebound material layer to better disperse and absorb pressure when subjected to external forces, avoiding excessive compression of the sponge, reducing sponge deformation and collapse, and ensuring its performance stability. When the external force acting on the sponge is removed, the sponge can quickly return to its original shape, significantly improving the sponge's resilience.

This invention belongs to the field of new materials technology, specifically disclosing a composite hemostatic sponge, its preparation method, and its application. The preparation method of the composite hemostatic sponge includes: adding tannic acid to a suspension of biopolymer nanofibers and mixing thoroughly to obtain a tannic acid-biopolymer nanofiber suspension; wherein the biopolymer contains carboxyl functional groups; impregnating a sponge matrix in a calcium chloride solution, and draining the liquid from the surface of the sponge matrix after impregnation; uniformly loading the tannic acid-biopolymer nanofiber suspension onto the surface of the sponge matrix; freezing the loaded sponge matrix for 12-24 hours, and then freeze-drying it to obtain the composite hemostatic sponge. The composite hemostatic sponge of this invention can achieve rapid and efficient hemostasis, significantly improving hemostasis efficiency, and can be removed non-invasively without secondary trauma.

The application discloses a kind of high water-holding spongy garden soil and preparation method thereof, it is related to the technical field of landscape engineering.The following components are included: modified biochar 20-25%, humus 25-30%, modified attapulgite-polyacrylamide composite hydrogel 6-9%, vermiculite 10-12%.The application forms integrated water storage, water diversion and water retention channels through the synergistic cooperation of the high porosity skeleton of modified biochar and the semi-interpenetrating network structure of modified attapulgite-polyacrylamide composite hydrogel.The surface of modified biochar is loaded with iron oxides after modification by ferric chloride, which enhances the adsorption and slow-release capacity of water.The composite hydrogel has high water absorption ratio, and the attapulgite nanorods act as reinforcing phase to prevent the structure from collapsing after repeated swelling and shrinking of the gel.The inorganic particles such as vermiculite and perlite jointly construct high total porosity, and the air porosity is kept within a suitable range, which solves the problem of the contradiction between water retention and air permeability of traditional materials.

This invention discloses a method for preparing a carboxymethylated chitosan-modified sponge carrier and its application in an immobilized bacterial-algae symbiotic system, belonging to the field of mine environmental remediation and wastewater treatment. Addressing the problems of suppressed microbial activity due to high chloride ion concentrations in mine inflows, the difficulty of treatment using traditional activated sludge processes, and the low immobilization strength of traditional carriers, this invention utilizes carboxymethylated chitosan and sodium alginate to synergistically modify polyurethane sponge. This carrier immobilizes salt-tolerant bacteria and algae through a dual action of physical encapsulation and electrostatic adsorption, constructing an aeration-free, highly efficient nitrogen removal system. The modified carrier possesses excellent mechanical strength and biocompatibility, significantly increasing the biomass of bacteria and algae in high-salt environments and enabling in-situ oxygen supply. Experiments show that this system achieves extremely high ammonia nitrogen removal rates in high-chlorine wastewater under aeration-free conditions, with effluent ammonia nitrogen levels consistently below 0.2 mg / L, demonstrating significant energy savings, reduced consumption, and salt tolerance.

This invention discloses a method and system for calculating hydrodynamic noise based on compressible-sponge layer coupling. The method includes obtaining local static pressure and temperature parameters of the flow field; calculating the density distribution of the compressible multiphase flow based on these parameters; constructing a sponge layer region at the flow channel boundary and, in conjunction with boundary flow characteristic parameters, constructing momentum and mass source terms for the sponge layer region; establishing multiphase flow control equations considering fluid compressibility and sponge layer damping properties based on the density distribution of the compressible multiphase flow and the momentum and mass source terms of the sponge layer region; solving for the velocity, pressure, and temperature distributions of the multiphase flow field; and solving the multiphase flow control equations considering fluid compressibility and sponge layer damping properties using a computational fluid dynamics solver to obtain the hydrodynamic noise calculation results. This invention achieves the coupled analytical analysis of multiphase compressible flow structures and underwater radiated sound fields, improving the accuracy of calculating the generation and propagation process of hydrodynamic noise.

This utility model discloses a sponge bio-rope packing material and a curtain-shaped bio-rope packing material assembly. The sponge bio-rope packing material includes a sponge bio-rope packing material body, around which radially distributed sponge strips are arranged. This utility model processes a sponge into a rope-shaped sponge bio-rope packing material body, with radially distributed sponge strips around it. This increases the surface area of ​​the sponge bio-rope packing material, thereby increasing the bio-loading capacity. Furthermore, the structure of the sponge bio-rope packing material body with radially distributed sponge strips around it increases the surface area of ​​the sponge while reducing the depth of its internal pores from the surface. This allows microorganisms to metabolize in the pores closer to the surface of the sponge, and the resulting metabolites can be flushed out by water, solving the problem of easy clogging and compaction of sponge packing materials. In addition, the radial structure design of the sponge bio-rope packing material body allows for better oxygen penetration, which is beneficial to improving the biological purification effect.

The present application relates to karst region vegetation ecological restoration technical field, specifically provide a kind of southwest karst region big inclination high abrupt slope rock mass ecological restoration system and method, system includes: first water supply device, second water supply device, suspension water supply component, planting basket, filler and planting seedling;Suspension water supply component is hung with multiple planting baskets, is paved on the rock surface of rock mass;The two ends of suspension water supply component are respectively communicated with first water supply device and second water supply device;Planting basket includes V-shaped basket, V-shaped groove is horizontally opened on rock surface, and the bottom of V-shaped basket is inserted into V-shaped groove;Filler includes sponge layer, nutrient soil layer, granular layer and broken stone layer;Sponge layer, nutrient soil layer and granular layer are sequentially filled in the internal space of inner V-shaped net from bottom to top;The height of sponge layer is greater than or equal to the depth of V-shaped groove.The present application solves the problem that the existing ecological restoration method has poor soil retention and moisture retention effect, high construction cost.

The present application relates to the technical field of artificial soil, and the present application is a kind of sponge type garden soil, and includes by mass percentage: mussel shell powder 60-70%, biochar 10-20%, phosphorus lime 10-15%, humus 1-3%, active modifier 1-2%, water retaining agent 1-2%, catalyst 1-2%, the present application uses mussel shell as raw material to further develop and utilize to obtain the sponge type garden soil with water and fertilizer retention, which can also effectively improve soil structure, and improve fertility through the fermentation of microorganisms.

This utility model discloses a sediment treatment device for water conservancy projects, including a base plate. Multiple support columns are fixed to the top outer wall of the base plate. An inclined guide plate is fixed to the top outer wall of each support column. A side baffle is fixed to the top outer wall of the inclined guide plate. A filter frame is fixed to the top outer wall of the side baffle, and a filter screen is fixed to the inner wall of the filter frame. Multiple circular holes are opened on opposite sides of the inner wall of the side baffle. A main shaft and multiple auxiliary shafts are rotatably connected to the inner walls of the circular holes. A motor is fixed to the top outer wall of the base plate, and the output end of the motor is connected to one end of the main shaft via a coupling. Multiple rectangular slots are opened on the outer wall of the inclined guide plate, and water-absorbing sponge strips are fixed to the inner walls of the rectangular slots. Drive sprockets are fixed to both ends of the auxiliary shafts and one end of the main shaft. This utility model can effectively recover water squeezed out of the sediment, preventing large amounts of water from entering the collection box along with the sediment, and improving the dryness of the recovered sediment inside the collection box.

This invention relates to a three-dimensional interlocking interface evaporator, its preparation method, and its application. It pertains to the field of photothermal interface evaporation material preparation technology. A three-dimensional interlocking interface evaporator is fabricated by interlocking modified sponge and modified cactus. The combination of these two materials with different hydrophilicities not only achieves a perfect balance between the water transport path and interface evaporation in the evaporator but also maximizes the utilization of solar radiation at its top. The evaporator prepared using this method achieves a water evaporation rate of 3.96 kg / m³ in pure water. 2 The water evaporation rate in real seawater and 25 wt% brine is 2.79 kg / m³. 2 / h and 1.77kg / m 2 Therefore, the three-dimensional interlocking interface evaporator produced by this method has excellent water evaporation effect and salt resistance, and has application prospects in the fields of solar-driven interface evaporation and photothermal seawater desalination.