222results about How to "Uniform penetration" patented technology

The invention discloses a self-adaptive control method for underground coal mine hole sealing and grouting, and belongs to the technical field of well hole packing. The method comprises the steps that plugging bags are sequentially installed at the cross sections of two drill holes of an underground coal mine working face, compressed air is injected into the plugging bags, and a cylindrical space between the bags is filled with multi-stage coal powder distribution materials in a layered mode and compacted; mixing ordinary Portland cement, a composite expanding agent, a carboxyl water reducer, a hydroxypropyl methyl cellulose stabilizer and water according to a preset ratio, and screening; stepwise pressure injection is implemented, and the grouting pressure and rate are regulated and controlled in a variable-rate climbing mode, a constant-pressure variable-speed mode and a proportional attenuation mode; and constant-temperature and constant-humidity maintenance is conducted on the grouting completion area, so that the desorption value of the drilling cuttings is reduced to a target value. According to the scheme, the grouting process parameters can be optimized, and the grouting quality is improved.

The invention discloses a composite reinforcement type suction barrel device based on microorganism induction and a use method thereof. The composite reinforcement type suction barrel device based on microorganism induction comprises a suction barrel model system, a microorganism cement reinforcement system and a test monitoring system. The suction cylinder model system comprises a suction cylinder, a grouting pipeline and hydraulic equipment, and the grouting pipeline is laid on the inner wall of the suction cylinder and used for injecting microorganism cement grout; the hydraulic equipment is connected to the suction barrel and used for controlling lifting and pressing-in of the suction barrel. The microbial cement reinforcement system comprises liquid storage equipment and negative pressure equipment, and the liquid storage equipment is connected to the grouting pipeline and used for storing and providing microbial cement grout for the grouting pipeline; the negative pressure equipment is connected to the suction barrel and used for applying negative pressure to the interior of the suction barrel in the grouting process, and permeation of microorganism cement grout is promoted. The test monitoring system is used for testing mechanical parameters of a soil body, monitoring the suction barrel and carrying out a loading test on the suction barrel.

The invention relates to the technical field of wastewater treatment, in particular to an industrial wastewater comprehensive recycling device and a process thereof.The industrial wastewater comprehensive recycling device comprises a recycling barrel, a transverse plate is fixedly mounted at the upper end of the recycling barrel, and a motor is fixedly mounted at the upper end of the transverse plate. The movable rod can slide along a spiral chute formed in a spiral chute column, so that the spiral chute column is pushed to drive a stirring blade shaft II to rotate in the dispersion barrel, and the arranged stirring blade shaft II is convenient for fully stirring industrial wastewater and a chemical reagent in the dispersion barrel; the chemical reagent in the dispersing barrel can be further promoted to be fully mixed with the industrial wastewater, the mixed chemical reagent can quickly and uniformly permeate into the recycling barrel from the lower end of the dispersing barrel to react with the industrial wastewater, and the working efficiency is improved; and the inner bottom end of the dispersion barrel is prevented from being blocked.

The invention belongs to the technical field of textile dyeing, and particularly relates to a textile dyeing auxiliary device which comprises a dyeing pool, and one side of the dyeing pool is provided with an adjustable pressing mechanism used for positioning a textile; the adjustable pressing mechanism comprises a second supporting column fixedly connected to one side of the left end face of the dyeing pool, placing blocks are slidably connected to the two sides of a seventh sliding rod, and pressing blocks are slidably connected to the inner sides of the placing blocks. According to the textile drying device, by means of the rotary smoothing type hanging mechanism, after a textile is preliminarily squeezed, the textile on a containing block can be transferred to a containing roller, the textile is in a falling state, residual dye on the textile can drip into a dyeing pool under the action of gravity, and therefore the squeezed textile is drained again, and the drying efficiency of the textile is improved. And the situation that the normal operation of the equipment is influenced and even the performance of the equipment is damaged due to the fact that residual dye of the textile drips onto the processing equipment is avoided.

The invention discloses a glue injection repairing method for a foam sandwich structural member. The glue injection repairing method comprises the steps that S1, a degumming area of the foam sandwich structural member is determined; s2, drilling a plurality of glue overflow holes in the degumming area, and drilling a plurality of glue injection holes in the edge of the degumming area; s3, a breathable layer and a vacuum layer which cover the multiple glue overflowing holes are sequentially arranged on the degumming area, a vacuum device is connected with a cavity, communicated with the glue overflowing holes, on the inner side of the vacuum layer, a fence arranged around the glue injection holes is arranged on the outer sides of the glue injection holes, and a glue storage pool communicated with the glue injection holes is formed in the fence; s4, preparing a glue solution, fully filling the glue storage pool with the glue solution, and enabling the glue solution in the glue storage pool to flow to the glue overflow hole along the gap at the debonding part through the glue injection hole by utilizing the vacuumizing suction of the vacuum device until the glue solution overflows from the glue overflow hole; according to the method, the vacuum technology is adopted, glue liquid can better permeate into degummed gaps, the phenomenon of non-bonding or weak bonding of local parts of a repaired product is avoided, and it is guaranteed that the repaired structure has good performance and reliability.

The invention belongs to the technical field of seedling transplanting, and particularly relates to a seedling transplanting device and method for forestry planting. Comprising a moving platform, a supporting frame is arranged at the top of the moving platform, and saplings are placed on the supporting frame; a locking and clamping structural part is arranged on the moving platform and is used for clamping a sapling; the locking and clamping structural part comprises a clamping square plate located below the sapling, guide sliding blocks are connected to the two sides of the clamping square plate, and distance limiting and position adjusting devices are arranged on the guide sliding blocks and used for adjusting the clamping position of the sapling by the locking and clamping structural part; water can uniformly permeate to the periphery of a root system through the multi-angle liquid supplementing mechanism, most areas of the root system are prevented from being in a water shortage state, the limitation of the device during seedling transplanting operation is reduced, the situation that the device can only supplement water to local areas of the root of a seedling at one position is avoided, and therefore the phenomena of root system rot and the like caused by oxygen deficiency of the root are avoided; the transplanting effect of the device is improved.

The invention relates to the technical field of dyeing of brocade-spandex fabrics, and particularly discloses a dyeing process for improving dyeing saturation and color fastness and a brocade-spandex dyed fabric. A dyeing process for improving dyeing saturation and color fastness comprises the following steps: firstly, mixing dye, a leveling agent, brocade spandex gray cloth and water to prepare primarily dyed cloth; then adding a color fixing agent into the primarily dyed cloth to obtain color-fixed wet cloth; and finally, loosening, drying and shaping the color-fixed wet cloth to obtain the brocade-spandex dyed fabric. A brocade-spandex dyed fabric is prepared by a dyeing process for improving dyeing saturation and color fastness. According to the method, the problems of non-uniform dyeing and low color fastness of the brocade-spandex fabric are effectively solved, and the brocade-spandex dyed fabric with good dyeing saturation and color fastness is obtained.

The invention discloses composite board gluing and pressing equipment, and relates to the technical field of composite board processing, the composite board gluing and pressing equipment comprises a conveying frame body, a baffle plate is fixedly mounted at the top of the conveying frame body, a conveying device is fixedly mounted at the top of the conveying frame body, and a gluing device is fixedly mounted at the top of the conveying frame body; the conveying device is fixedly connected to the top of the conveying frame body, the gluing device is arranged over the conveying device, a guide mechanism is fixedly connected to the discharging end of the conveying frame body, a pushing device is fixedly installed at the top of the conveying frame body and arranged over the guide mechanism, and a pressing device is fixedly installed at one end of the conveying frame body; according to the full-automatic gluing press-fit machine, the gluing process and the press-fit process are integrated together, continuous production is achieved, and the production efficiency and the product quality are improved.

The utility model belongs to the technical field of rapid thawing of meat, and particularly relates to a rapid thawing device for meat, which comprises a base, a shell cover is fixedly connected to the base, a supporting frame is fixedly connected to the shell cover, fixing columns are welded to the two sides of the top of the supporting frame, material storage bottles are fixedly connected to the two fixing columns, one-way valves are assembled on discharging pipes of the material storage bottles, springs are fixedly connected to the top ends of sleeves, and movable blocks are fixedly connected to the other ends of the springs. A movable block is fixedly connected to the support frame, a movable rod is fixedly connected to the movable block, the bottom end of the movable rod penetrates through a sleeve to be fixedly connected with a hammer head, a sleeve is fixedly connected to the top of the support frame, an air pipe is connected between the sleeve and the sleeve, a piston is arranged in the sleeve, a support seat is fixedly connected to the support frame, and a first motor is mounted on the support seat. When frozen meat is thawed, the frozen meat can be quickly thawed, meanwhile, the surface of a meat product can be prevented from being damaged, and the normal sales of the product is ensured.

The invention discloses a movable guide mechanism of a dyeing soaking pool, which comprises the dyeing soaking pool and further comprises a guide assembly, movable guide rollers are arranged on the left side and the right side in the dyeing soaking pool, the guide assembly comprises a fixed frame, and the fixed frame is fixedly connected to the middle of the top in the dyeing soaking pool. Auxiliary guide rollers are arranged on the left and right sides in the fixing frame, a fixing transverse plate is fixedly connected to the middle of the top in the fixing frame, and fixing guide boxes are fixedly connected to the front and rear sides of the bottom of the fixing transverse plate. According to the device, the top of the fabric is expanded by arranging the movable guide rollers, so that gaps among fibers of the fabric can be enlarged, dye is easier to be in full contact with the fabric during soaking, the efficiency is higher when the fabric is soaked and dyed, the fabric can be more fully exposed in the dye by expanding the fabric, and the fabric can be better dyed. The dye can more uniformly permeate into each part of the fabric, so that the phenomenon of non-uniform dyeing is reduced, and a more consistent and attractive dyeing effect can be obtained.

The invention discloses preparation and application of a microbial agent and a metabolite for sweetening fruits and vegetables, by introducing a specific microbial strain and the metabolite thereof, sugar accumulation of the fruits and vegetables in the growth process can be effectively promoted, and the sweetness of the fruits is directly improved. The microbial strains are carefully screened, so that a beneficial microenvironment can be established in a plant body or around a root system, the sugar metabolism process of the plant is promoted, meanwhile, the photosynthesis efficiency is improved, more carbohydrates are accumulated in fruits, and finally, the natural sweetening effect of the fruits and vegetables is achieved. Besides, natural plant extracts and microbial metabolites are adopted as main components instead of traditional chemical sweeteners, so that potential negative effects on crop quality are greatly reduced.

The invention discloses a Chinese herbal medicine supercritical extraction method and extraction equipment thereof, and relates to the field of Chinese herbal medicine supercritical extractors. The sealing assembly comprises an extraction tank, a sealing cover and a stirring rod; the extraction tank is a cylinder with an opening in the upper end, the sealing cover is a cylinder with an opening in the lower end, and the opening in the lower end of the sealing cover is arranged at the upper end of the extraction tank in a threaded mode; the stirring rod is cylindrical, is rotationally connected to the inner top side of the opening of the sealing cover, and is positioned in the extraction tank; the stirring rod and the stirring rod can be hollow and provided with the air outlet, supercritical carbon dioxide can be injected into the stirring rod and the stirring rod and discharged from the air outlet, the Chinese herbal medicine extraction effect is improved, and the situation that the Chinese herbal medicine is accumulated on the lower portion due to the gravity of the Chinese herbal medicine, and consequently the Chinese herbal medicine extraction effect is reduced is avoided.

The utility model relates to the field of polyester-cotton fabric treatment, and discloses a polyester-cotton fabric antistatic treatment device which comprises an equipment body with a supporting plate at a feeding port, a spraying assembly is arranged in the equipment body, and the spraying assembly comprises a wide-width spray head and a cleaning part used for cleaning the wide-width spray head; the spraying assembly is arranged in the equipment body, the spraying assembly comprises the wide sprayer and the cleaning part used for cleaning the wide sprayer, the pre-wetting assembly, the permeation assembly and the drying assembly which are used for conducting antistatic treatment on polyester cotton fabric are arranged on the supporting plate, spraying is more uniform through the wide sprayer, and the cleaning part cleans the wide sprayer, so that the antistatic effect of the polyester cotton fabric is improved. According to the spraying device, spraying uniformity is guaranteed, thick parts or complex structures such as jacquard and interweaving parts are pre-wetted and then sprayed, permeation of an antistatic agent is accelerated through the permeation assembly, then drying is conducted through the drying assembly, the solubility and permeability of the antistatic agent are enhanced, and the antistatic effect of the polyester-cotton fabric is improved.

The invention relates to the technical field of thermoplastic material foaming, in particular to a preparation method of an ultralight foaming material with micropore channels. The invention relates to an ultralight foaming material with micropore channels. The ultralight foaming material comprises the following substances in parts by weight: 80-90 parts of thermoplastic matrix resin; 0.1 to 2 parts of a pore-foaming agent; 0.1 to 0.8 part of a functional auxiliary agent; 10 to 20 parts of auxiliary materials; the pore-foaming agent comprises one or a mixture of more of activated carbon, zeolite, porous ceramic and hollow glass microspheres. According to the technical scheme, the thermoplastic matrix resin is selected to be combined with the pore-forming agent, the composite material formed after foaming treatment has a good vacuum channel structure, the density of the material is effectively reduced, the porosity of the material is improved, on the basis, selection of the pore-forming agent is optimized, and the porosity of the material is improved. The prepared ultralight foaming material has different pore structures and adsorption performance, and more excellent material performance can be obtained through mixed use.

The invention provides a black tea preparation process based on microbial fermentation, which comprises the following steps: (1) selecting fresh tea leaves as raw materials, and naturally withering; (2) rolling the withered fresh leaf raw material, and adding bacillus subtilis and trichoderma reesei bacterial liquid to promote hydrolysis and saccharification of cellulose and crushing of cell walls; (3) immediately adding saccharomyces cerevisiae liquid for fermentation and aroma enhancement after rolling is finished; and (4) after the tea leaves are fermented to red brown, ending the fermentation, performing high-temperature baking, performing cooling, and performing drying at 60-80 DEG C to obtain the black tea with the unique flavor. The quality improvement and aroma enhancement of the black tea are realized by utilizing a microbial fermentation technology. The technology is simple and easy to operate, and the prepared black tea is higher in amino acid content, red and bright in tea soup color, mellow and refreshing in taste, rich in fragrance, fragrant and sweet in taste, weakened in bitter taste and unique in flavor.

The invention discloses a formula and a preparation method of a glutinous rice sausage. The preparation method comprises the following steps: stir-frying glutinous rice and salted meat; the stir-fried glutinous rice comprises glutinous rice, fried lard oil, minced garlic, trehalose, refined salt and monosodium glutamate; the salted meat comprises pork, chopped salted fat dices, water, white granulated sugar, refined salt, monosodium glutamate, sodium tripolyphosphate, sodium pyrophosphate and auxiliary materials; the preparation of the stir-fried glutinous rice comprises hot frying and cold frying. The flavor of the glutinous rice sausages is remarkably improved, the glutinous rice in the sausages absorbs grease of the stuffing, particles are full, the taste is fragrant, sweet, soft and glutinous, and the overall flavor is richer and more harmonious.

The application relates to the technical field of lithium battery diaphragm, in particular to a high-stability lithium battery diaphragm and a preparation method thereof. The high-stability lithium battery diaphragm is prepared by the following steps: after a polypropylene film is irradiated by ozone and ultraviolet light in sequence, pre-deposition and pre-grafting are carried out on the surface of the polypropylene film, and then ultraviolet radiation treatment is carried out. The application realizes synergistic effect of nano-enhancement and self-repairing, solves the stability problem of traditional PP diaphragms in long-term cycles, and provides a reliable diaphragm solution for high-energy-density lithium batteries.

The invention relates to the technical field of food production, and discloses a prefabricated black pepper beefsteak set meal suitable for an air fryer and a combined preparation technology thereof, and the prefabricated black pepper beefsteak set meal is composed of a pickled beefsteak bag and a black pepper seasoning bag. The beefsteak is pickled by the pickling liquid, moisture and seasoning components in the beefsteak can be effectively locked, and the beefsteak still keeps tender and juicy taste after high-temperature cooking in an air fryer in cooperation with vacuum rolling and low-temperature static pickling processes. The black pepper seasoning is matched with a compound system of ferrous glycinate and ferrous citrate, so that the steak presents a uniform and bright red color. The preparation process is simple and controllable, the raw materials are green and environment-friendly, the industrial production requirement is met, and the market application prospect is wide.

The invention relates to the technical field of cubilose processing, in particular to a method for reducing swallow shred breakage in cubilose soaking, which comprises the following steps: soaking dry cubilose in water, and placing the soaked cubilose in a constant-temperature water bath oscillator for oscillation treatment to obtain preliminarily soaked cubilose; putting the preliminarily soaked cubilose into an ultrasonic oscillator, adding okra polysaccharide, and continuing soaking to obtain completely soaked cubilose; filtering the completely soaked cubilose, cleaning and draining water; the drained cubilose is sequentially subjected to airflow splitting, low-pressure washing and centrifugal machine dewatering, and the shredded cubilose is obtained. According to the method, through the steps of constant-temperature water bath oscillation soaking, ultrasonic oscillation and okra polysaccharide soaking, gentle filtering, cleaning and draining, fine airflow splitting, low-pressure washing, centrifugal machine dewatering and the like, breakage of swallow shred in the swallow nest soaking process is effectively reduced, and the quality and taste of the product are improved.

The application discloses a resin filter core structure and a water purifier applying the same, and belongs to the technical field of water purification. The water purifier comprises a box body and a filter core assembly. A first cavity is arranged in the box body. The filter core assembly is arranged in the first cavity. The filter core assembly comprises a shell, a center pipe, a second cavity, a resin core layer, a water distributor and a filter layer. The second cavity is arranged in the shell. The center pipe is arranged in the second cavity. The lower end of the center pipe is communicated to the outer bottom wall of the shell. The filter layer is arranged on the upper outer wall of the center pipe. The resin core layer is arranged in the second cavity. The water distributor is arranged on the outer wall of the center pipe around the filter layer. The water inlet direction is changed through the water distributor, so that the water flow can fully flow in the resin core layer, the service life is prolonged, and the purification effect is improved.

The utility model relates to a horizontal screw centrifuge technical field discloses a kind of powder spraying type drying horizontal screw centrifuges, to solve the defect of overcoming the high moisture content of solid phase material of existing horizontal screw centrifuge easy to stick. The utility model is under the centrifugal field by superstrong instantaneous mixing and penetration: in the centrifugal field of up to hundreds even thousands of times gravity acceleration, dry powder particles spouted from powder spout can be "pressed into" the filter cake being extruded by screw conveyor dehydration with very high relative speed, this forced mixing under high G force, far more than ordinary mixer can compare, it can make dry powder instantaneously, uniformly penetrate into the micro-pore structure of filter cake, realize molecular level contact, greatly improve the reaction efficiency and hygroscopic efficiency of drying agent (such as quicklime, fly ash etc.), make the filter cake discharged solid rate significantly improve, and texture loose, uniform.

The invention relates to the technical field of battery diaphragms, and provides a multifunctional composite coating diaphragm and a preparation method thereof.The multifunctional composite coating diaphragm sequentially comprises a polyolefin base membrane, a ceramic slurry coating and an electrostatic spinning layer from top to bottom; the raw material of the electrostatic spinning layer comprises a polymer; the polymer comprises aramid fiber and polymethyl methacrylate in a mass ratio of 5: (1-9). According to the technical scheme, the problems of single coating, poor heat resistance and low ionic conductivity of the battery diaphragm in the prior art are solved.

This utility model relates to the field of high-temperature impregnation process equipment technology, specifically a multi-layer temperature-controlled asphalt impregnation furnace device. It includes a vertical cylindrical furnace body, with a flue gas treatment pipe running through the top of the furnace body. Asphalt spraying inlets are symmetrically arranged on both sides of the top of the furnace body, and an asphalt outlet is located at the bottom of the furnace body. A furnace door is hinged to the side wall of the furnace body. A conical gas collection hood is connected to the bottom of the flue gas treatment pipe via a quick-connect flange. Multiple layers of annular resistance heating strips are axially embedded inside the furnace body, forming an impregnation zone within each layer. A liftable track-type support is installed at the bottom of the impregnation zone. This utility model has advantages such as uniform temperature control, excellent impregnation quality, smooth exhaust, and convenient loading, unloading, and asphalt circulation. It is suitable for impregnating carbon fiber preforms or other materials.

This utility model discloses a pre-treatment device for kimchi processing, relating to the field of kimchi processing technology. The utility model includes: a washing tank with a drain pipe connected to the bottom of one side; a water-passing plate fixed in the middle of the washing tank, with a drain outlet at one end of the water-passing plate; a U-shaped plate positioned above the water-passing plate, with mesh cylinders evenly embedded on the bottom side of the U-shaped plate, into which vegetables to be washed are placed one by one; and a driving mechanism positioned above the water-passing plate. This utility model uses conical mesh cylinders to independently wrap the cabbage, avoiding the frictional damage to the leaves caused by high-density stacking in traditional washing methods. It also ensures that water flows evenly into the gaps between the leaves, improving the thoroughness of the washing. The driving mechanism enables high-frequency, low-amplitude reciprocating motion of the U-shaped plate, simulating the effect of hand rubbing and enhancing the efficiency of stain removal.

This utility model discloses a temperature and humidity control warehouse for storing premium soybeans, including a chassis, a placement compartment, and a temperature and humidity control mechanism. The outer compartment of the placement compartment is inserted into the chassis, and the top of the reinforcing frame on its inner wall is equipped with hooks, allowing for overall loading and unloading via hoisting equipment. The perforated panels inside the placement frame are used to stack bagged premium soybeans. The temperature and humidity control mechanism includes a humidification ring pipe and a heat dissipation cover. The humidification ring pipe supplies water through an inlet pipe, and nozzles spray humidification. A fan inside the heat dissipation cover works with a ventilation filter to create air circulation, maintaining stable temperature and humidity within the warehouse. This warehouse achieves rapid loading and unloading of large quantities of premium soybeans through mechanized hoisting, improving loading and unloading efficiency, reducing labor costs, and ensuring a constant temperature and humidity environment within the warehouse, reducing the impact of temperature and humidity fluctuations on the quality of the premium soybeans. It is suitable for storing premium soybeans.

The utility model discloses an intelligent sensor's aluminium oxide base processing device related to sensor preparation technical field, and the middle part of sintering furnace inner chamber is equipped with the baffle, and the sintering furnace inner chamber is separated by left and right and is divided into a plurality of sintering cavities by the baffle, and a plurality of silicon molybdenum heating rods that are arranged on the inner wall of sintering cavity are arranged from top to bottom in the sintering cavity, and the sintering cavity is also equipped with the material frame for placing aluminium oxide base, and the material frame includes pivot, material tray, base and drive walking mechanism, and the pivot that is perpendicular to the base is rotatively driven and installed on the upper portion of base, and a plurality of material trays that are arranged along the pivot axial direction are arranged on the pivot axle body, and a plurality of installation grooves that are arranged in order and are used for vertically clamping and placing aluminium oxide base are arranged on the upper surface of material tray, and the bottom of base is equipped with drive walking mechanism, and the utility model not only can fully and evenly sinter and heat aluminium oxide base, but also can effectively reduce the deformation, warping or cracking of aluminium oxide base during the sintering process.

The invention provides an ultrahigh-temperature-resistant carbon fiber composite filter material and a production system thereof, and relates to the field of composite filter material production. An ultrahigh-temperature-resistant carbon fiber composite filter material production system comprises the following steps: S1, using amount optimization through a computer simulation technology so as to predict an optimal material combination ratio, S2, selecting high-quality carbon fibers and resin as a composite resin material according to a simulation result, S3, pretreating the carbon fibers, modifying the resin, and S4, preparing the ultrahigh-temperature-resistant carbon fiber composite filter material. The method comprises the following steps: S1, preparing a polyimide resin matrix, S2, preparing a polyimide resin matrix, S4, designing a composite structure of the filter material, S5, combining carbon fibers with the polyimide resin matrix through dipping treatment to form a composite material with high strength and light weight, S6, placing the composite material in a mold for curing and cooling, and S7, carrying out surface polishing and grinding on the molded composite filter material, and coating a high-temperature-resistant coating. And S8, obtaining the formed ultrahigh-temperature-resistant carbon fiber composite filter material. The material performance is verified by simulating the ratio of the resin to the carbon fibers, and performance fluctuation caused by material proportion difference is reduced.

The invention relates to the technical field of water quality purification and manufacturing of daily necessities, and discloses a daily pottery for purifying water quality and releasing trace elements and a method thereof, the pottery comprises palygorskite and purple sand materials which are mixed according to a specific proportion, and water body purification and controllable release of trace elements are realized through an internal microporous structure; through reasonable proportioning of palygorskite and purple sand materials and application of a multi-stage composite filtering system, the ceramic provided by the invention can effectively remove harmful substances, including organic pollutants, heavy metal ions and the like, in water, so that the safety of water quality is ensured. The three-dimensional microporous structure is adopted, so that the ceramic can promote permeation of water molecules and uniform release of trace elements while increasing the contact area of water and materials, and drinking water rich in beneficial elements is provided for a user.

The present application relates to the technical field of construction machinery structure welding, and especially to an intelligent welding device for a lower frame of an excavator, comprising a base, a fixing seat arranged on the outer wall of the base, a rotary table sleeved on the outside of the fixing seat, an X support placed on the outside of the rotary table, and a continuous welding device arranged between the rotary table and the X support. The present application uses a rotating roller to real-time clamp and limit two cover plates, which can effectively prevent the cover plate angular deformation caused by the cooling and shrinkage of the weld, and can save the symmetrical welding, segmented skip welding and other processes, reduce the post-welding slag cleaning, polishing and other finishing workloads, compress the processing time, improve the welding forming quality and production efficiency, and meanwhile, with the help of the self-adaptive adjustment of the deflection assembly, the welding head can be accurately deflected along the inclined plane, the X support complex inclined plane continuous welding can be adapted, the angular deviation and welding blind area can be avoided, the weld penetration uniformity and the regular appearance can be ensured, and the welding precision and continuity can be further improved, and the overall welding quality can be stabilized.

The invention discloses a variable-temperature germination accelerating box for tissue culture of Hainan herba fibraureae recisae and belongs to the technical field of germination accelerating boxes, the variable-temperature germination accelerating box for tissue culture of Hainan herba fibraureae recisae comprises a box body, a plurality of heat dissipation holes are formed in the two sides of the box body in a penetrating mode and are symmetrically arranged, and supporting legs are fixedly connected to the corners of the surface of the bottom end of the box body. A germination promoting mechanism is arranged in the box body; the germination promoting mechanism comprises two sliding rails, the two sliding rails are fixedly connected with the interior of the box body, the sliding rails limit the moving plate, the two ends of the cross-shaped sliding plate are slidably connected with limiting frames in a penetrating mode, and the limiting frames are fixedly connected with the box body. By adopting the germination promoting mechanism, the air flowability in the germination accelerating box can be enhanced, air retention in a local area is prevented, more uniform exchange of gases such as oxygen and carbon dioxide in a culture environment is ensured, and seed roots can obtain more uniform water and nutrient supply.