18results about How to "Improve exchange capacity" patented technology

The utility model relates to sewage treatment field especially, it is a kind of single tower low pressure stripping device for sewage treatment, including support frame, shell, gas outlet, sewage inlet, battens and gas outlet component etc., support frame is connected with shell, shell upside is connected with gas outlet, shell upper portion left side is connected with sewage inlet, shell middle part inboard is connected with multiple battens, support frame lower part is equipped with the gas outlet component for treating acidic component in sewage. The utility model discloses through sewage S shape along batten flows to shell lower part, while sewage will promote impeller and cleaning frame rotation to scrape the impurity on batten, so that water vapor moves upward, flows through air inlet hole and contacts sewage to treat sewage, so that it can remove acidic component when sewage flows and treat, promote cleaning frame rotation to scrape the impurity on batten, prevent air inlet hole blockage, enhance gas exchange effect, improve sewage treatment efficiency.

The invention relates to the technical field of treatment of heavy metal ions in soil, and discloses a preparation method and application of a flower-like soil heavy metal ultra-stable mineralizer. A coprecipitation method is adopted, an alkali source is provided for a system through amino alcohol, a metal precursor preferentially grows in the specific direction in the reaction process, and then nanosheets are driven to be spontaneously assembled into a three-dimensional flower-shaped structure. Meanwhile, the amino alcohol can expand interlayer channels and enhance the anion exchange capacity of the material. The finally obtained hydrotalcite with the three-dimensional flower-shaped structure can efficiently adsorb and fix heavy metal ions in soil.

The present invention discloses a microbial agent for preventing and treating soil-borne diseases of ginger, and a preparation method and application thereof, and belongs to the field of microbial technology. The microbial agent of the present invention comprises disease-resistant growth-promoting microorganisms, microbial activity promoters and auxiliary carriers, and the dosage ratio of the three is 10mL:100mL:(30-50)g. The microbial agent of the present invention can effectively prevent and treat ginger blight of ginger, and at the same time can increase the resistance of ginger, promote the growth of ginger, and improve the quality of ginger. At the same time, the strain resources of plant growth-promoting bacteria are enriched. The agent is pollution-free and has no toxic side effects, has strong pertinence, can be stored for a long time after being made into a solid agent, is convenient for field application, and can also effectively improve the soil environment, thereby effectively meeting the nutritional needs of crop growth, and has good practical application value.

The device comprises a cavity, a pressurizing assembly, a filtering assembly, a humidifying assembly and an air inlet and outlet control assembly, an air inlet and an air outlet are formed in the cavity, and the pressurizing assembly, the filtering assembly and the humidifying assembly are sequentially placed in the cavity in the direction away from the air inlet; the cavity is located below a complete machine air outlet of the air conditioner, and the air inlet and outlet control assembly is located above the cavity. The air conditioner comprises the fresh air exchange and humidification device, the fresh air exchange and humidification functions can be achieved when the air conditioner runs through the device, and the diversified requirements of consumers for air quality and comfortable life are met.

The utility model discloses a dip-coating method oxygen-free copper rod up-drawing continuous casting machine which comprises a continuous casting machine body, a cooling pipe is arranged at the outer end of the continuous casting machine body and matched with the continuous casting machine body, a driving motor is arranged at the outer end of the cooling pipe, a rotating ring is arranged at the upper end of the cooling pipe, and the driving motor is matched with the rotating ring. A rotating ring is arranged in the continuous casting machine main body, a stretching frame is arranged on the inner side of the rotating ring, mixing blades are arranged on the stretching frame, a cleaning box is arranged at the upper end of the continuous casting machine main body, a cleaning ring is arranged in the cleaning box, an exhaust valve is arranged at one end of the cleaning box, a dip-coating pool is arranged at the upper end of the cleaning box, a material penetrating hole is formed in the dip-coating pool, and a sliding seal is arranged in the material penetrating hole. The equipment can improve the cooling effect and the machining quality of the copper rod.

The invention belongs to the technical field of biological manufacturing, and discloses a 3D printing gel sphere for constructing an organoid structure and a preparation method of the 3D printing gel sphere. The invention discloses 3D printing bio-ink. The 3D printing bio-ink comprises a photo-crosslinking hydrogel material, an extracellular matrix material loaded with target cells or organoids and DNA dynamic hydrogel. According to the 3D printing bio-ink provided by the invention, the DNA dynamic hydrogel, which is one of the core components of the 3D printing bio-ink, has extremely high biocompatibility and designability, physical crosslinking is realized through hydrogen bonds between DNAs, the crosslinking process is reversible and can dynamically change along with the surrounding environment, and a continuous and appropriate mechanical environment is provided for formation of a large-volume organ structure. The 3D printing bio-ink can be used for constructing a millimeter-level spherical gel culture environment of a large-volume organ-like structure, namely, gel microspheres are obtained through 3D printing.

The utility model relates to a coastal inner bay upstream face structure, the coastal inner bay upstream face structure comprises a seawall, a first groove body and a grating piece, a plurality of convex parts are arranged on one side of the upstream face of the seawall, at least parts of the convex parts extend in the height direction of the seawall in the length direction, and the convex parts are arranged at intervals in the length direction of the seawall; a groove which is concaved in the convex parts is formed between every two adjacent convex parts; the first groove is located on the side, close to the bottom, of the seawall upstream face, and an opening is formed in the top of the first groove. The grid piece comprises a first grid and at least two second grids, the first grid extends in the length direction of the seawall and is arranged among the multiple convex parts, and a preset gap is formed between the first grid and the inner wall of the groove; the second grids extend in the thickness direction of the seawall and are arranged on the two sides of the first grids. The coastal inner bay upstream face structure can provide inhabiting and refuge spaces for fishes and other coastal aquatic organisms, and protection and recovery of marine organisms are promoted.

The present invention discloses a pile-based hollow breakwater with a variable air permeability, comprising: two rows of prefabricated pile foundations, a prefabricated panel fixedly arranged on the top of the prefabricated pile foundations, a wave-breaking wall and a breast wall arranged on the top of the prefabricated panel; the prefabricated pile foundations are integrally connected with a fixed wave-breaking board, and slide rails are correspondingly installed on the top and bottom between each two adjacent prefabricated pile foundations in the same row, and a movable wave-breaking board is slidably connected between each pair of slide rails; a control system for controlling the sliding of the movable wave-breaking board is installed on the prefabricated panel. The present invention also discloses a construction method of a pile-based hollow breakwater with a variable air permeability, and the control system can adjust the opening and closing degree of the movable wave-breaking board according to different wave conditions, so as to achieve an ideal wave-breaking effect; at the same time, the seawater on both sides of the pile-based hollow breakwater can be exchanged smoothly, thereby improving the water exchange capacity of the breakwater, minimally changing the hydrodynamic environment of the surrounding sea area, and maximizing the satisfaction of ecological and environmental protection requirements.

The invention provides a microgravity environment microalgae closed culture container, a microgravity environment microalgae closed culture system and a use method. The upper half shell and the lower half shell are connected to the upper end and the lower end of the culture solution box respectively; the culture solution box comprises a wave-shaped solution box top wall and a wave-shaped solution box bottom wall which are made of hydrophobic breathable materials, a solution box side wall which is connected with the solution box top wall and the solution box bottom wall in a matched mode, and a light source assembly which is arranged in the culture solution box in a penetrating mode; the upper half shell is matched with the top wall of the liquid tank to form an upper air chamber; the lower half shell is matched with the bottom wall of the liquid tank to form a lower air chamber; and the culture solution box, the upper air chamber and the lower air chamber are respectively provided with an inlet and an outlet. According to the microgravity environment microalgae closed culture container provided by the invention, the contact area between the culture solution box and the air is increased, and the exchange efficiency of the microalgae culture solution and oxygen and carbon dioxide in the air is improved; in addition, the whole reactor is composed of fixing parts, so that the structure of the culture device is simplified, and the manufacturing cost is reduced.

The deodorization system comprises the livestock and poultry houses, a dust falling and deodorization room and a gasification and deodorization unit, the multiple livestock and poultry houses are arranged side by side in the longitudinal direction, a plurality of draught fans are arranged on the outer walls of the livestock and poultry houses, and the dust falling and deodorization room is adjacent to the multiple livestock and poultry houses and communicated with the multiple livestock and poultry houses through the draught fans; the gasification and deodorization unit comprises deodorant gasification equipment and a gasification pipeline which are communicated, the gasification pipeline is located in the livestock and poultry house, an atomization unit is arranged in the dust falling and deodorization room and comprises a first atomization device and a second atomization device, the first atomization device is arranged on the longitudinal face of the outer side of the draught fan, and the second atomization device is arranged at the top end of the dust falling and deodorization room. Air outlets are formed in the two sides of the dust falling and deodorization room. The invention further discloses a deodorization method for the livestock and poultry house. According to the invention, after the gasification deodorant output by the gasification deodorization unit and the livestock and poultry house odor are subjected to gas-gas exchange deodorization, the atomized liquid sprayed by the atomization unit is subjected to further gas-liquid exchange deodorization, so that the deodorization effect can be effectively ensured.

The utility model discloses a kind of based on ultrasonic wave cooperates coarse coconut bran matrix's soilless cultivation breeding acceleration device, comprising: matrix processing unit, ultrasonic atomization system and intelligent control unit.In matrix processing unit, coarse coconut bran is formed after layer structure by steam puffing, pyroligneous acid modification, probiotic solidification, bottom layer is coconut shell charcoal particle, middle layer is modified coarse coconut bran matrix, surface layer is carbonized rice hull.Ultrasonic atomization system is composed of three-dimensional spiral flow guide pipe around matrix, high-frequency piezoelectric ceramic atomization piece group and nano bubble generating device.Intelligent control unit can dynamically adjust ultrasonic frequency and working mode, simulate day-night rhythm to adjust ultrasonic and illumination.By optimizing matrix structure and ultrasonic atomization technology, nutrient solution is evenly covered root system with micron grade fog particle, while nano bubble promotes dissolved oxygen concentration, solve the problem that traditional fog culture droplet particle size is big, root system is insufficient in oxygen supply.

A decentralized integrated sewage treatment biological reaction device comprises: a sewage collection tank, and an integrated sewage treatment device matched with the sewage collection tank, wherein the integrated sewage treatment device is composed of modularly arranged functional units: a pretreatment equipment unit, an inclined tube sedimentation treatment unit, an aerobic treatment unit, an anaerobic treatment unit, an ozone treatment unit and a high light irradiation unit; the sewage in the sewage collection tank is subjected to coagulation and stirring treatment in a coagulation and stirring tank provided in the pretreatment equipment unit and added with a liquid flocculant, and then is sequentially sent to the inclined tube sedimentation treatment unit, the aerobic treatment unit, the anaerobic treatment unit and the ozone treatment unit, and after successively realizing sedimentation, oxidation, anaerobic and ozone treatment, the sewage is subjected to light treatment in a high light irradiation unit provided in the ozone treatment unit, and then the decentralized point source sewage is discharged without pollution.

The application discloses a saline-alkali soil composite improver and a preparation method thereof, relates to the technical field of soil improvement, and raw materials include 18-22 parts of ion intercalation modified expanded vermiculite, 10-14 parts of humic acid, 0.2-0.4 parts of polyacrylamide, 6-9 parts of urea, 5-7 parts of diammonium phosphate, 4-6 parts of potassium sulfate, and 10-18 parts of iron modified biochar-attapulgite composite carrier immobilized microbial inoculant. The saline-alkali soil composite improver has excellent saline-alkali soil improvement effect.

The invention relates to a sponge city drainage structure which comprises a road body, a mounting groove is formed in the road body, a shaft is arranged at the bottom of the mounting groove, a mounting plate is arranged in the mounting groove, a communicating hole is formed in the mounting plate and penetrates through the mounting plate, and a supporting block is arranged at the end, away from the shaft, of the mounting plate. A well lid is arranged on the side, away from the mounting plate, of the supporting block and provided with ventilation holes. The mounting plate is provided with a mounting cavity, a control piece is arranged on the cavity wall of the mounting cavity, and the mounting cavity is divided into an exhaust area and an air inlet area by the control piece; the mounting plate is provided with an air inlet hole and an air outlet hole, and when the mounting plate vibrates, the control piece slides along the cavity wall of the mounting cavity and moves back and forth. Gas exchange between the well and the mounting plate is enhanced through vibration affected by vehicle passing, so that gas exchange between the well and the outside is facilitated, gas circulation is facilitated, and the situation that harmful gas is accumulated in the well is reduced.

The present invention discloses a spherical sodium zirconium phosphate powder, a preparation method and application thereof, and belongs to the technical field of dialysis materials. The preparation process of the sodium zirconium phosphate powder of the present invention comprises: + Zirconium phosphate synthesis, secondary H + The steps of synthesizing the sodium zirconium phosphate, washing, preparing the slurry, adding sodium reaction and structural stabilization reaction, adjusting the pH value, washing twice, drying and structural strengthening, screening and the like are included. The sodium zirconium phosphate powder prepared by the present invention is spherical in shape, has the characteristics of narrow particle size distribution range, high cation exchange capacity, recyclability, low Hausner ratio, low free phosphorus precipitation value, low zirconium element precipitation value, and excellent biochemical properties. The cation exchange capacity of the sodium zirconium phosphate powder is improved by more than 30% compared with the layered α zirconium phosphate materials in the prior art, and can be reused for more than 15 times, and the regeneration method is simple, so it has broad application value and prospects in the fields of hemodialysis and the like.

The application belongs to the technical field of fertilizers, and provides a preparation method of modified fulvic acid and application of the modified fulvic acid in fertilizers.The preparation method of the modified fulvic acid comprises the following steps: step 1, dissolving fulvic acid in deionized water, ultrasonic activation, after reaction, drying to obtain activated fulvic acid; step 2, dissolving the activated fulvic acid in a sodium hydroxide solution, heating to 40-45 DEG C for 10-15 min, after cooling, adjusting pH, adding a polymer monomer and an initiator, heating to 40-45 DEG C for 3-3.5 h, and drying to obtain modified fulvic acid. The application introduces new functional groups, such as amide groups, into fulvic acid molecules through chemical reactions, so as to enhance the chelating capacity or adsorption performance of the fulvic acid on specific nutrient elements, thereby effectively preventing the fixation of the elements in soil, and improving the absorption efficiency of the elements by plants.

The present application relates to the technical field of silver plating of castings, and particularly relates to a silver plating equipment and method for castings, which comprises a rack, a feeding displacement mechanism, a silver plating mechanism and a clamping mechanism, the rack is provided with a feeding channel, the feeding displacement mechanism is fixedly connected with the rack and has a displacement portal capable of moving along the direction of the feeding channel, the silver plating mechanism is fixedly connected with the rack and has a plurality of silver plating units, the clamping mechanism is fixedly connected with the displacement portal and has a clamping sliding frame capable of moving vertically, and a plurality of clamping units are fixed on the clamping sliding frame along the length direction of the clamping sliding frame. The independent silver plating units are arranged, the plating solution is forced to flow directionally in the relatively narrow silver plating cavity, the exchange capacity of the plating solution to the area of the columnar body of the casting is effectively enhanced, the power line distribution is optimized by cooperating with the accurate release end arrangement, the silver ions can be effectively transmitted and deposited on the surface of the casting, and thus the silver plating layer with uniform thickness and dense crystallization is obtained.

The utility model relates to the technical field of substrate cleaning, and discloses a horizontal inclined swing spraying device which comprises a guide rail, a swing frame, a horizontal swing assembly and an inclined swing assembly, the swing frame is connected with the guide rail in a sliding mode, and a plurality of spray pipes arranged in parallel are rotatably connected in the swing frame. The horizontal driving motor drives the pushing rod to drive the swing frame to horizontally slide in a reciprocating mode along the guide rail, the spray pipe generates overall swing motion in the horizontal direction, the pool effect caused by too long local staying time is effectively reduced, and the spray pipe is hinged to the swing rod and driven by the swing driving motor to obliquely swing around the axis of the spray pipe. The nozzle can generate dynamic angle change in the swinging process, the trend that liquid is accumulated in a specific direction is broken, the spraying direction is considered in a multi-angle area, and therefore the spraying coverage problem of the area between the spraying pipes is remarkably solved, and comprehensive and uniform spraying of liquid medicine is achieved.