112results about How to "Promote hydration" patented technology

The invention relates to the technical field of concrete preparation, in particular to moisturizing anti-cracking high-ductility concrete and a preparation method thereof. The moisturizing anti-cracking high-ductility concrete is prepared from the following components: 350 to 450 parts of ordinary Portland cement, 200 to 300 parts of fly ash, 30 to 50 parts of silica fume, 250 to 350 parts of quartz sand, 0.5 to 1 part of a water reducing agent, 10 to 20 parts of an expanding agent, 0.1 to 0.3 part of a retarder, 0.5 to 1 part of a thixotropic lubricant, 0.2 to 0.7 part of a modified nano material, 0.7 to 3 parts of a modified composite curing agent, 5 to 10 parts of an anti-cracking agent, 5 to 12 parts of polymer fiber and 180 to 220 parts of water. The high-moisture-retention high-water-retention concrete has the characteristics of high moisture retention and high water retention, is beneficial to maintaining the internal humidity balance, reducing cracks generated by drying shrinkage, improving the durability of the concrete, and remarkably reducing the cracking risk of the concrete in the hardening process, so that the concrete structure is more complete, the safety of the structure is improved, and the service life of the structure is prolonged.

The invention discloses a camellia nitidissima flower extract-containing anti-pollution acne-sensitive skin repairing composition and application thereof, and relates to the technical field of cosmetics. The invention provides a camellia nitidissima flower extract-containing anti-pollution acne-sensitive skin repairing composition. The camellia nitidissima flower extract-containing anti-pollution acne-sensitive skin repairing composition is prepared from the following components in parts by weight: 1 to 5 parts of camellia nitidissima flower extract, 1 to 5 parts of seaweed oligosaccharide, 0.01 to 1 part of o-cymene-5-ol and 0.01 to 1 part of tocopherol retinoate. According to the anti-pollution acne-sensitive skin repairing composition containing the camellia nitidissima flower extract, four components including the camellia nitidissima flower extract, the seaweed oligosaccharide, the o-cymene-5-ol and the tocopherol retinoate in proper parts by weight are selected to cooperate with one another, so that the composition has better anti-pollution and antibacterial effects and has very good acne removing, repairing and soothing effects.

The ecological slope protection structure for water and soil conservation for water conservancy construction comprises soil retaining plates fixedly supported on slopes on the two sides of a river, planting grooves for planting green plants are formed in the soil retaining plates, a water pumping pipe is fixedly connected, and the outer contour of the water pumping pipe is sleeved with a rectangular shell moving in a reciprocating mode; the rectangular shell is fixedly connected with a spray head and a drainage pipe which is in through connection with the spray head, in addition, a salvage mechanism and a liquid pumping mechanism are further arranged on the soil retaining plate and used for cleaning floating objects on the surface of river water and pumping the river water for irrigation, and the salvage mechanism achieves salvage of the floating objects through matched action of a cylindrical roller and a filter plate; according to the ecological slope protection structure, by means of an automatic irrigation system, the utilization efficiency of water resources is improved, the soil retention capacity is enhanced, plant growth is promoted, water and soil loss is effectively prevented, and the ecological slope protection structure can be applied to the field of ecological slope protection especially under the drought condition. The ecological environment is protected and recovered.

The invention discloses low-carbon flow-state solidified soil for a seasonal frozen region. The low-carbon flow-state solidified soil comprises soil, a curing agent and water, the dosage of the curing agent is 15-20% of the mass of the dry soil; the water content is 40-60% of the dry mass of the soil and the curing agent; the soil comprises sludge and building residue soil, and the sludge accounts for 20-40 parts by weight, and the building residue soil accounts for 60-80 parts by weight; the curing agent is prepared from the following components in parts by weight: 40 to 60 parts of phosphogypsum, 10 to 15 parts of mixing plant waste slurry, 20 to 40 parts of steel slag, 5 to 10 parts of quick lime, 0.5 to 1.2 parts of glycerol, 0.2 to 0.6 part of hydroxypropyl methyl cellulose and 1 to 1.5 parts of water reducing agent; according to the invention, various technical problems of insufficient anti-freezing performance, unstable fluidity, long setting time, insufficient early strength, large shrinkage deformation, easy generation of segregation and bleeding and the like of the existing fluid-state solidified soil are solved, and meanwhile, more low-carbon environment-friendly raw materials are introduced, so that multi-aspect improvement of the performance of the fluid-state solidified soil and maximization of environment-friendly benefits are realized; and a more reliable and efficient solution is provided for earthwork such as foundation pit backfilling.

The invention discloses concrete with high salt corrosion resistance and a preparation method of the concrete. The concrete is prepared from 300-400 kg / m < 3 > of cement, 50-150 kg / m < 3 > of slag powder, 1000-1200 kg / m < 3 > of gravel, 650-800 kg / m < 3 > of machine-made sand, 0.5-2 kg / m < 3 > of a modified polycarboxylic acid water reducing agent, 0.005-0.01 kg / m < 3 > of an air entraining agent, 0.05-0.1 kg / m < 3 > of an ion chelating agent, 0.05-0.1 kg / m < 3 > of polyacrylamide, 0.01-0.05 kg / m < 3 > of sodium methyl silicate, 0.1-0.5 kg / m < 3 > of multiwalled carbon nanotube dispersion liquid and 140-160 kg / m < 3 > of water. The preparation method comprises the following steps: stirring and mixing the modified polycarboxylate superplasticizer, the air entraining agent, the ion chelating agent, the polyacrylamide, the sodium methyl silicate and part of the water for mixing to obtain an admixture mixed solution; sequentially putting broken stones, cement, machine-made sand, the admixture mixed solution, the multi-walled carbon nanotube dispersion liquid and the rest of mixing water into a stirrer, and stirring for 2-3 minutes, so as to obtain the concrete with high salt corrosion resistance. The concrete has high salt corrosion resistance in a complex service environment, the service life of a concrete structure is effectively prolonged, and a reliable guarantee is provided for infrastructure construction.

The invention relates to the field of concrete materials, in particular to a high-strength impermeable concrete and a cement pole, which comprises, by weight, 500-600 parts of gel material, 1400-1600 parts of aggregate, 100-120 parts of epoxy resin emulsion, 20-30 parts of hydroxy acrylate emulsion, 5-10 parts of aliphatic organic amine, 50-80 parts of epoxy basalt fiber, 5-10 parts of calcium sulfoaluminate, 10-20 parts of ethanolamine-modified metakaolin, 1-5 parts of polycarboxylate water reducer and 100-120 parts of mixing water. The high-strength impermeable concrete prepared by the invention has excellent mechanical strength and excellent waterproof and impermeability performance.

The invention discloses a springback inhibitor for sprayed concrete as well as a preparation method and application of the springback inhibitor. The rebound inhibitor is prepared from the following components in percentage by mass: 2-5% of magnesium aluminum silicate, 19.8-29.8% of silica fume, 1-4% of a macromolecular tackifier, 2-5% of aluminum sulfate slag powder, 38-51% of superfine stone powder, 9-16% of fly ash microspheres, 1-2% of a water reducing agent, 2-3% of redispersible milk powder, 2-5% of inorganic mineral fibers and 0.01-0.2% of modified plant fibers. The springback inhibitor disclosed by the invention has a remarkable effect on reducing the springback rate of the sprayed concrete, and can enhance the water dispersibility resistance of the sprayed concrete and improve the cohesiveness of the sprayed concrete. The preparation method disclosed by the invention is simple in industry and easy for large-scale production.

The invention provides a zwitterionic cross-linking agent, a copolymer flow pattern regulator and a preparation method and application of the zwitterionic cross-linking agent and the copolymer flow pattern regulator. The preparation method comprises the following steps: preparing a polycarboxyl zwitterionic cross-linking agent, and carrying out polymerization reaction on an acrylamide monomer, a sulfonic monomer, alkyl methacrylate and the zwitterionic cross-linking agent to obtain the copolymer flow pattern regulator. The copolymer flow pattern conditioning agent provided by the invention is a hydrophobic cross-linked high-temperature-resistant flow pattern conditioning agent, the temperature resistance can reach 240 DEG C, the NaCl salt resistant concentration is up to 15%, the viscosity retention rate is 80% or above, and the copolymer flow pattern conditioning agent has excellent rheological property after high-temperature aging and has wide application prospects in the field of high-temperature-resistant water-based drilling fluids.

The invention discloses an early-strength polycarboxylate superplasticizer with thickening and water-retaining properties and a preparation method thereof, and relates to the technical field of building materials. The early-strength polycarboxylate superplasticizer is prepared from the following components in parts by weight through free radical copolymerization and condensation polymerization: 360 parts of polyether monomer, 20-40 parts of unsaturated carboxylic acid, 0.1-0.5 part of hydrophobic monomer, 1-30 parts of functional additive, 0.5-3 parts of oxidant, 0.1-1 part of reducing agent, 0.5-2 parts of chain transfer agent and 270-460 parts of water. The invention also provides a preparation method of the water reducing agent. By adjusting the structure of the polycarboxylic acid water reducing agent and grafting functional groups with bonding capacity and early strength function, the water reducing agent which is good in application performance and high in water reducing rate is prepared, and the water reducing agent can remarkably improve the wrapping property of concrete, reduce the bleeding property of the concrete and improve the early strength of the concrete.

The invention discloses a magnesium-based cementitious material and a preparation method thereof, and relates to the field of magnesium-based cementitious materials, and the magnesium-based cementitious material is prepared from the following components: 80-120 parts of magnesium oxide cement, 0.1-0.6 part of a hydrating agent, 0.6-1.2 parts of a carbonation auxiliary agent, 120-180 parts of aggregate, and 50-60 parts of water. The carbonation auxiliary agent comprises one or more of sodium bicarbonate, sesquicarbonate dihydrate and hydromagnesite seeds. The hydrating agent and the carbonating agent cooperate to form a continuous network structure of hydrated magnesium carbonate in the magnesium-based cementing material to fill gaps, and the density and compressive strength of the magnesium-based cementing material are improved while carbon sequestration is performed.

The utility model discloses a steam cooking device and a steam cooking system. The steam cooking device comprises an inner container, a heating device and a heating device, the panel is used for a user to control the steam cooking device; the steam generator is used for providing steam into the inner container; a first function key, wherein the first function key is arranged on the panel; the controller is in electric connection and / or communication connection with the steam generator and the first function key, the steam cooking device at least has a first cooking mode, the controller stores the target steam temperature in the inner container in the first cooking mode, and the target steam temperature ranges from 50 DEG C to 97 DEG C; when the first function key is triggered, the steam cooking device enters the first cooking mode. According to the low-temperature cooking method, low-temperature cooking can be achieved, and a user can scientifically control the quality of dishes during cooking, so that nutrient substances in food are well reserved.

The invention discloses a method for preparing functional artificial aggregate from lake and reservoir deposits, and belongs to the technical field of preparation of artificial aggregate. The functional artificial aggregate with excellent mechanical properties is prepared by taking the reservoir deposits, the mineral powder and the fly ash as main raw materials, adjusting the ratio of the reservoir deposits to the mineral powder to the fly ash, combining layered sodium disilicate, nano CaO and silicon powder as an alkali activator and an additive, and doping fibers and phase change microcapsules at the same time. The problems that in the prior art, reservoir deposits are difficult to recycle and low in utilization rate, and a traditional alkali excitation system cannot control the early strength are solved.

The invention provides toughened anti-cracking and anti-corrosion solid waste concrete and a preparation method thereof. Mixing the cement, the fly ash, the slag and the natural aggregate; sequentially adding water, a weakly alkaline regulator and an additive solution containing a polycarboxylic acid water reducer to obtain concrete slurry; and curing to obtain the product. According to the invention, fly ash, slag solid waste and natural aggregate are used as aggregate, a water reducer is added to reduce the water consumption of concrete and improve the fluidity of concrete, and specially-made weakly-alkaline conditioning agent particles are introduced, so that the self-water-absorption-water-release behavior and bridging effect of the particles are utilized to improve the concrete fluidity. The early-stage and later-stage continuous hydration ability of a rubber material in the concrete is enhanced, the self-shrinkage and drying shrinkage resisting effects are achieved, the compactness and corrosion resistance of the concrete are improved, and then the anti-cracking ability of the all-solid waste concrete is improved. The surface of an obtained test piece is free of cracks, the 28d compressive strength reaches 46.6 MPa, the 28d breaking strength reaches 8.5 MPa, the self-shrinkage rate is 0.035%, and the drying shrinkage rate is 0.01%.

The water on-line purification device comprises a water outlet pipe, a water tank and a water inlet pipe, a centrifugal machine is arranged on the water outlet pipe, one end of the water outlet pipe is used for being communicated with a blow-off pipe of a stem soaking machine, the other end of the water outlet pipe is communicated with the water tank, one end of the water inlet pipe is communicated with the water tank, and the other end of the water inlet pipe is used for being communicated with the water inlet pipe of the stem soaking machine. The water discharged by the stem soaking machine is purified through the centrifugal machine, and the purified water is conveyed back to the stem soaking machine again, so that the water discharged by the stem soaking machine is recycled, and the consumption of the water is reduced.

The invention relates to the technical field of calcium silicate boards, and discloses a production method of an environment-friendly light calcium silicate board, the calcium silicate board comprises the following raw materials: fly ash, cement, slaked lime, a reinforcing component, an inorganic modified filler and water; wherein the reinforcing component is bamboo fiber of which the surface is grafted with 1-naphthol-3, 6-sodium disulfonate, and the breaking strength of the calcium silicate board can be effectively improved by utilizing the bamboo fiber and sulfonic acid groups in the reinforcing component; according to the inorganic modified filler, a polymer with a large amount of quaternary ammonium salt and carboxyl groups is inserted between layers of rectorite, so that the compactness of the calcium silicate board is enhanced, and the strength of the calcium silicate board is further improved. Through the synergistic effect of the raw materials, the strength of the calcium silicate board is remarkably improved, so that the service life of the calcium silicate board is prolonged, and the application effect of the calcium silicate board in various fields is effectively improved.

The present invention discloses a low-viscosity and high-strength cement-based grouting material and a preparation method thereof. The grouting material comprises the following components: 300-600 parts of a cementitious material having volcanic ash properties, 0.2-0.6 parts of a micro-nano coagulant, a water reducer of 0.25-2% of the mass of the cementitious material, and a water-cement ratio of 0.4-0.8. The cementitious material having volcanic ash properties comprises silicate cement and modified microbeads. The preparation method comprises the following steps: uniformly mixing the cementitious material having volcanic ash properties and the micro-nano coagulant. Then, a mixed solution formed by the water reducer and water is added, and the mixture is uniformly stirred to obtain the cement-based grouting material. The present invention reduces the water-cement ratio of cement slurry and ensures the strength of cement stone, while reducing the viscosity of cement slurry and improving injectability.

The invention provides a saline-alkali soil wheat planting method, and relates to the technical field of wheat planting. The method comprises the following steps: firstly, adopting pretreated desulfurized gypsum and potassium fulvate as a soil conditioner to improve the saline-alkali soil structure, then adopting a row-shrinking ridging planting mode, applying a base fertilizer in a drip irrigation manner, and cooperating with a compound microbial agent containing bacillus subtilis, chlorella and the like to enhance the soil activity, and through precise water and fertilizer integrated management in the wheat growth period, the soil quality is improved. And fertilizers such as urea and potassium phosphate and microbial agents are dripped in different growth periods, so that sufficient and balanced nutrition supply is ensured. The saline-alkali soil wheat planting method can remarkably improve the soil fertility of the saline-alkali soil, promote wheat root development and stress resistance, improve the wheat yield, optimize the water and fertilizer utilization efficiency and save resources, is suitable for practical application in drought saline-alkali soil and has wide popularization value.

The invention relates to a lithium slag-based temperature-inhibiting anti-cracking waterproof agent and a preparation method thereof, and belongs to the technical field of building materials such as cement and concrete. The lithium slag-based temperature-inhibiting anti-cracking waterproof agent comprises the following components in percentage by mass: 40%-50% of modified lithium slag, 18%-30% of a calcium ion compensating agent, 9%-19% of a complexing agent, 10%-23% of a precipitation component, 1%-4% of silicone zirconium and 3%-7% of temperature change induction fibers, wherein the total mass of the raw materials is 100%; the preparation method comprises the following steps: weighing the raw material components according to the mass fraction, and uniformly mixing to obtain the lithium slag-based temperature-inhibiting anti-cracking waterproof agent. The lithium slag-based temperature-inhibiting anti-cracking waterproof agent can be used for specifically reducing concrete shrinkage cracks, reducing the internal temperature rise of the concrete and realizing crack self-repairing in the service stage of the concrete.

The invention discloses a Chinese yam and Chinese wolfberry shrimp cake production process, and particularly relates to the technical field of food production, which comprises the following steps: preparing table salt, white sugar, vegetable oil, monosodium glutamate and pepper powder, Chinese yam powder, Chinese wolfberry powder and shrimp meat, removing heads, shells and shrimp lines of shrimps, mincing the shrimp meat by using a meat mincer, adding the table salt, the white sugar, the vegetable oil, the monosodium glutamate and the pepper powder on the basis of the shrimp meat, and uniformly stirring; the preparation method comprises the following steps: firstly, preparing shrimp meat paste, then adding Chinese yam powder and Chinese wolfberry fruit powder, chopping to form the shrimp meat paste, shaping the chopped shrimp meat paste by using a round mold, putting into a quick-freezing cabinet for quick-freezing, then putting into a refrigerator for freezing storage, and heating the prepared frozen shrimp cake product by using a heating box. The prepared shrimp cake is sufficient in moisture, moderate in hardness and chewiness, fine and smooth in taste, compact in texture, sufficient in shrimp flavor, regular in product shape, smooth in surface, attractive in color and luster, good in overall condition, good in taste, high in nutritive value, simple in production process, low in production cost and easy to produce and sell in a large scale.

The present invention belongs to the field of polishing equipment, and specifically provides a polishing equipment for diamond crystals and a polishing method thereof, wherein the polishing equipment for diamond crystals comprises: a support frame; a rotating table, which is rotatably arranged on the support frame, and a plurality of concentrically arranged annular liquid storage tanks are provided on the top surface of the rotating table; a driving mechanism, which is arranged on the support frame and used to drive the rotating table to rotate; and a polishing cloth, which is arranged on the rotating table and used for chamfering and polishing the diamond crystal. By arranging a plurality of concentrically arranged annular liquid storage tanks on the top surface of the rotating table, when the rotating table rotates, the polishing liquid in the annular liquid storage tanks splashes outward under the action of centrifugal force, thereby continuously infiltrating the polishing cloth facing the annular liquid storage tanks, maintaining sufficient water in the polishing cloth, thereby avoiding the phenomenon of crystallization of the polishing liquid in the polishing cloth. At the same time, the utilization efficiency of the polishing liquid is improved, the waste of the polishing liquid is reduced, and the cost of polishing is reduced.

This invention belongs to the technical field of cultivation equipment and discloses a water curtain-type vegetable cultivation component and an aquaponics hydroponic device. One of the water curtain-type vegetable cultivation components includes a cultivation rack with at least one water storage layer and at least one cultivation layer arranged longitudinally below the water storage layer. Each water storage layer has an overflow drain outlet capable of forming a water curtain. Each cultivation layer contains a cultivation cavity, and the upper surface of the cultivation layer has at least one planting hole communicating with the cultivation cavity. The cultivation rack also has longitudinally distributed water curtain channels. Each cultivation cavity of each cultivation layer has an overflow outlet corresponding to the water curtain channel and communicating with the water curtain channel through the overflow outlet. The water curtain channel communicates with the water storage layer through the overflow drain outlet. This water curtain-type vegetable cultivation component can be used independently as a hydroponic device for vegetable cultivation or placed within an aquaponics hydroponic device, making it more flexible and practical.

The utility model relates to the technical field of sand stabilization vegetation deep root irrigation, in particular to a deep root irrigation device for improving the stability of sand stabilization vegetation. The utility model provides a deep root irrigation device for improving stability of sand-fixing vegetation, which can irrigate according to the length of a plant root system, ensure that the plant root system can obtain sufficient water and improve the utilization efficiency of water resources. A deep root irrigation device for improving stability of sand stabilization vegetation comprises a planting surface layer, pipelines and the like, and the pipelines are connected to the upper sides of the left portion and the right portion of the planting surface layer. By adding more water sources, the floating ball moves upwards through the buoyancy of water, the connecting rod, the stop block and the water leakage plate are driven to move upwards, the water seepage holes are blocked through the stop block, water is discharged into the splicing pipe below through the water leakage plate and the water outlet, irrigation can be carried out according to the length of the plant root system, and the irrigation efficiency is improved. It is ensured that the plant root system can obtain sufficient water, and the water resource utilization efficiency is improved.

The invention relates to the field of agricultural chemistry, in particular to a corn drought-resistant reinforcing agent based on permeation regulatory factors and a preparation method of the corn drought-resistant reinforcing agent. The reinforcing agent is composed of modified polyvinyl alcohol, 1, 3-dimethyl sulfonamide, chitosan, glycyrrhizic acid, glycerin and a water-soluble surfactant, the modified polyvinyl alcohol is prepared through synergistic modification of 1-methyl-3-ethylimidazole chlorinated amino acid salt and glutaraldehyde, and the hydrophilicity and molecular flexibility are improved through ionic liquid modification; and the structural stability is enhanced through glutaraldehyde crosslinking. 1, 3-dimethyl sulfonamide is used as a permeation regulation and control small molecule and can maintain permeation balance inside and outside cells and promote water absorption and maintenance. The enhancer can obviously improve the water-retaining property, the root activity and the antioxidant enzyme activity of corn leaves, reduce the relative conductivity and maintain the integrity of cell membranes. According to the invention, the synergistic effect of structure modification, permeation regulation and control and cell protection is realized, and the method has high-efficiency, environment-friendly and generalizable drought-resistant application value.

The utility model relates to the technical field related to park management, in particular to an intelligent park operation management device which comprises a base, a water pumping structure fixedly installed on the base and a rotating assembly installed on the base. The reciprocating spraying structure is connected with the rotating assembly and communicates with the inner side of the rotating assembly; the detection unit sends a signal to the power supply control piece of the water pumping structure by sensing the moisture content in the outside air, the water pumping structure is driven to execute water pumping and water conveying work, when water in the water pumping structure rushes to the rotating assembly, the water in the water pumping structure is driven to rotate under the impact of water flow, and the rotating assembly is driven to rotate. The rotating assembly rotates relative to the base, water is conveyed into the reciprocating spraying structure through the rotating assembly, the reciprocating spraying structure is driven to rotate when the rotating assembly rotates, the reciprocating spraying structure moves up and down in a reciprocating mode in the rotating process, and ground cover shrubs in the surrounding area with the base as the center can be evenly irrigated.

The invention discloses an application of a combined extract of rabdosia japonica and purslane in preparation of a skin care product with a whitening effect. Detection of the tyrosinase activity inhibition effect, the free radical scavenging rate and the moisturizing effect of the combined extract of rabdosia japonica and purslane shows the application of the combined extract in the skin care product with the whitening effect. The combined extract of rabdosia japonica and purslane has an inhibiting effect on tyrosinase activity and has a scavenging effect on free radicals, so that a whitening effect is achieved.

The utility model belongs to the technical field of coke oven quenching, and particularly relates to an automatic water replenishing system for a water storage tank of a coke oven quenching pool, which comprises the water storage tank, a lifting pipeline connected with the water storage tank, the lifting pipeline connected to the coke oven quenching pool, a lifting pump arranged on the lifting pipeline, and a water replenishing pipeline arranged on the water storage tank. The lifting pipeline is connected with the water storage tank through a water return pipeline, a stop valve I is arranged on the lifting pipeline behind the water return pipeline, and a stop valve II is arranged on the water return pipeline. According to the automatic water replenishing system for the water storage tank of the coke quenching pool of the coke oven disclosed by the utility model, when the coke quenching is not carried out, water in the water storage tank is circulated through the lifting pump and the water return pipeline, so that the waste of water resources is avoided, the water resources are saved, and the operation cost is also reduced.

The present invention provides a MOR molecular sieve membrane and a preparation method thereof, wherein the preparation method of the MOR molecular sieve membrane comprises the following steps: S1, mixing an aluminum source, an alkali solution, a silicon source, a fluoride salt, an organic alcohol and water to obtain a synthetic sol; S2, coating a seed solution on the surface of a porous carrier to obtain a seed layer; S3, coating the synthetic sol on the surface of the seed layer, and performing three temperature-variable crystallizations to obtain a MOR molecular sieve membrane; in step S1, the molar ratio of SiO2, Na2O, Al2O3, ROH, NaF and H2O is 1: (0.1-0.35): (0.03-0.15): (0.2-2): (0.1-0.5): (10-100). The present invention adds an organic alcohol to improve the crystallinity and overall structural integrity of the MOR molecular sieve membrane structure.

The utility model relates to the technical field of seedling raising devices, and discloses a rice seedling raising device which comprises a water storage box, finger pull grooves are formed in the upper portions of the left side and the right side of the water storage box, an observation window is arranged in the front of the water storage box, a first scale mark is arranged on the side edge of the observation window, and a second scale mark is arranged on the inner wall of the water storage box. A seedling raising tray is placed in the water storage box, water seepage holes are formed in the lower portion of the interior of the seedling raising tray at equal intervals, a buoyancy plate is installed at the bottom of the seedling raising tray, water absorption cotton columns are connected to the interior of the buoyancy plate in a penetrating mode and inserted into the water seepage holes, and a plurality of partition plates are inserted into the seedling raising tray; the non-slip mats are fixed in front of and behind the partition plates and are extruded on the inner wall of the seedling raising tray, so that seedling raising seedlings in the seedling raising tray can be better supplemented with water, the seedlings are not prone to death due to water shortage, manpower and material resources are not needed for supplementing water to the seedlings, manpower is saved, and efficiency is improved.

This utility model discloses a lotus planting pond, including a planting pond body and a water storage tank. Multiple partitions are fixed inside the planting pond body, each partition having a drainage structure. A water pump is installed between the planting pond body and the water storage tank to pump water from the storage tank into the planting pond body. A water outlet structure is provided on one side of the planting pond body, including outlet pipe one, outlet pipe two, and outlet pipe three. This application, through the planting pond body, partitions, drainage structure, and water outlet structure, allows for corresponding adjustments to the water level in the planting pond body at different growth stages of the lotus, ensuring optimal water levels for lotus growth during the seedling, growth, and flowering stages. This helps guarantee the survival rate and growth vigor of the lotus at different stages, resulting in better lotus growth and enhanced ornamental value.

The municipal garden landscape planting device comprises a base, a supporting frame and a metal pot body, the supporting frame is fixedly connected to the top of the base, the metal pot body is fixedly connected to the inner side of the supporting frame, extending grooves are formed in the two sides of the front side and the rear side of the metal pot body, and the extending grooves are communicated with the supporting frame. Sliding grooves are formed in the tops and the bottoms of the two sides of the inner wall of the extending groove. By arranging the extending groove, the sliding groove, the sliding blocks and the extending pot body, the extending pot body can effectively move towards the outer side on the inner wall of the extending groove, the sliding blocks on the inner wall of the sliding groove assist in adjusting the extending pot body, the extending pot body can extend the planting area of the metal pot body, and the problems that the device is not provided with an extending structure, and the planting area of the metal pot body cannot be adjusted are solved. The problems that in the prior art, when plants are planted in a planting pot, the planting area of the planting pot cannot be extended and adjusted, large plants cannot be placed into the planting pot, and certain limitation exists when the plants of different sizes are planted in the planting pot are solved.