249results about How to "Keep moist" patented technology

The utility model provides a metal screen capable of improving the height-width ratio of printing paste, which is provided with at least two metal thin layers in a laminated manner, each metal thin layer is uniformly provided with a plurality of printing grooves, and the positions of the printing grooves of each metal thin layer correspond to each other. The opening area of the printing groove of the scraper face is larger than that of the printing groove of the printing face, and a first ink storage groove is formed in the outer edge of the metal thin layer printing groove in the scraper face. By means of the mode, the problems that in the printing process of an existing metal screen, slurry is prone to drying, so that fluidity is poor, the printing height-width ratio is low, inking is uneven, and virtual printing is prone to occurring are solved.

The invention relates to the technical field of seawater desalination, in particular to a seawater desalination reverse osmosis membrane, a preparation method and application. The seawater desalination reverse osmosis membrane is prepared by the preparation method. The preparation method comprises the following steps: immersing the prepared support layer into a water phase solution, and then taking out the support layer adsorbing the water phase solution; immersing the support layer adsorbing the water phase solution into a first oil phase solution, and forming a primary reverse osmosis membrane through a first interfacial polymerization reaction; then, taking out the primary reverse osmosis membrane, and carrying out first drying treatment under a steam condition; and immersing the primary reverse osmosis membrane into a second oil phase solution, and carrying out a second interfacial polymerization reaction to form the seawater desalination reverse osmosis membrane. The application refers to the application of the reverse osmosis membrane for seawater desalination in the aspects of reclaimed water reuse, seawater desalination and brackish water desalination. According to the invention, the seawater desalination reverse osmosis membrane which simultaneously meets high desalination rate and high water flux can be prepared.

The invention belongs to the field of preparation of sedation maintaining agents, and particularly relates to a sedation maintaining agent administrated through oral mucosa and a preparation method of the sedation maintaining agent. Bamboo leaf polysaccharide and pigskin collagen peptide are heated and mixed with chlorogenic acid and butyl acetate under the catalytic action of lanthanum nitrate, and the obtained moisturizing adhesive has biocompatibility, can be stably adhered to oral mucosa and can promote salivary secretion of children; nanoparticles obtained through freeze spray drying are uniformly dispersed in a copolymer solution containing sodium salicylate and polyacrylate, and the obtained nervous system regulator can balance excitability of sympathetic nerves and parasympathetic nerves of children; the emotion relieving composition contains modified felwort powder obtained through esterification reaction, the modified felwort powder is mixed with a moisturizing adhesive and a nervous system regulator, and the prepared sedation maintaining medicament administrated through the oral mucosa protects oral health of children in the oral operation anesthesia process, is free of irritation, improves anxiety emotion and does not affect postoperative awakening.

The present invention relates to the technical field of ecological concrete slurry, and specifically to an ecological seed-carrying slurry for the slope of a mine dump, a preparation method and its application. Aiming at the special environmental characteristics of the Inner Mongolia mining area, the present invention prepares a new type of artificial aggregate containing growth domains and seeds, which is composed of a three-layer structure, each layer having a specific function, so as to achieve the purpose of promoting the germination of multi-source species, plant growth, providing nutrition and improving the soil environment. The slurry can not only effectively utilize solid waste and reduce costs, but also adopts in-situ point-type layered hole sowing to shorten the vegetation restoration cycle in the ecological restoration of the slope, greatly improve the survival rate of tree and shrub seed sources, reduce the number of watering times, save restoration costs, and reduce the workload of management. While effectively promoting vegetation restoration, it strengthens the stability of the slope, prevents soil and water loss, slows down runoff and consolidates the soil, providing an efficient and sustainable solution for the ecological restoration of green mines in Inner Mongolia.

The invention discloses a multifunctional application device for a soil conditioner and a using method thereof, and relates to the technical field of agricultural generation equipment, the multifunctional application device comprises an application compartment body, a real-time detection module and a central control processor, the real-time detection module is installed on the front face of the outer wall of the application compartment body, and the central control processor is installed at the top of the inner wall of the application compartment body; the real-time detection module is connected to the central control processor through a data signal line; the real-time detection module comprises a storage motor, a soil probe and a camera module. By installing the real-time detection module, the real-time acquisition and comparison functions of soil parameters are achieved, the problem that different conditioning treatment steps are needed due to different soil type state condition parameters is solved, soil is pretreated in a targeted mode, and the conditioning effect of the soil conditioner on the soil is improved.

The invention relates to the technical field of grape planting, in particular to a grape nutrition regulation-based early-maturing high-quality light and simplified production method, which comprises the following steps of: regulating nutrition distribution in a germination period, and taking moisture-preserving and rain-sheltering measures on the ground and branches; regulating and controlling nutrient distribution in the flowering period to control branch growth, and ensuring the fruit setting rate based on pinching measures; management is conducted in the fruit expanding period, on the basis of vigorous growth control combined with high photosynthetic management, the photosynthetic efficiency of leaves is ensured, soil and leaf fertilization are adjusted, and it is ensured that nutrient supply meets the fruit expanding requirement; nutrition in the color changing period is regulated and controlled, fruit color changing is promoted based on trunk girdling, specific fertilizer is sprayed to leaf surfaces, and it is ensured that the fruit ripening and color changing process is accelerated; management is conducted in the acid-removing and sugar-increasing period, and the fruit acidity is gradually reduced based on regulation and control of nutrient distribution and fertilization measures. According to the method, the efficiency of early-maturing, high-quality and light-weight production of grapes is improved.

According to the compound quaternary ammonium salt disinfectant for the sterile environment and the preparation method thereof, the benzalkonium chloride, the polyhexamethylene biguanide hydrochloride and the plant polysaccharide are compounded to form the positively charged plant polysaccharide compound disinfectant under the action of the sodium sulfite or the potassium sulfite by utilizing a compound synergistic principle, so that the compound quaternary ammonium salt disinfectant for the sterile environment is obtained. Positive charges are promoted to penetrate through cell walls of bacterial biofilms, so that an excellent bactericidal effect is achieved; the sodium hyaluronate, the enhancer and the glycerol are cooperatively used, so that sodium ions are combined with dehydrogenation groups in polysaccharide and hydroxyl groups, carboxyl groups and the like of other components to form a relatively stable internal net-shaped structure, and the situation that quaternary ammonium salt reacts with metal ions in the environment to reduce the disinfection effect is effectively avoided; meanwhile, the sodium hyaluronate and the glycerol are used for enhancing the compatibility of all the components, and the moisturizing effect of the components is fully utilized, so that the hand sanitizer is not only suitable for disinfection of object surfaces and space environments in a sterile environment, but also can be used for disinfection of hands of a human body.

The invention relates to a water-soluble waste gas recovery treatment device and method.The recovery treatment device comprises a packed tower, and the packed tower sequentially comprises a gas inlet space, an unmodified metal wire mesh packing layer, a gas-liquid distributor, a modified metal wire mesh packing layer, a liquid distributor and a first exhaust port from bottom to top; the hydrophilicity of the modified metal wire mesh filler layer is greater than that of the unmodified metal wire mesh filler layer; one end of the solution circulating pump is communicated with the gas inlet space, and the other end of the solution circulating pump is communicated with the gas-liquid distributor; the pure water input pipeline is communicated with the liquid distributor; a first valve is arranged on the pure water input pipeline; one end of the pure water circulating pump is communicated with the gas-liquid distributor, and the other end of the pure water circulating pump is communicated with the liquid distributor; a second valve is arranged between the pure water circulating pump and the gas-liquid distributor; and a third valve is arranged on the upper-layer material discharge pipeline. The concentration of the organic solvent in the final discharged gas can be reduced, the concentration of the recovered solution is improved, the environmental protection property is high, the energy-saving effect is good, and the subsequent treatment cost is reduced.

The invention relates to the technical field of agricultural machinery seeding, and discloses an agricultural machinery seeding depth adjusting structure which comprises a seeding assembly, the seeding assembly comprises a rotary cultivator, the top of the rotary cultivator is fixedly connected with a mounting plate, and the top of the mounting plate is fixedly connected with a motor. The motor drives the seeding pipes to integrally reciprocate up and down through the rotating shaft, the seeding pipes enter soil when moving downwards, and in the process that the seeding pipes integrally move to the specified depth and then move upwards, seeds can be left in the land through the tamping assembly and the blocking assembly, so that the seeding work is completed; the depth of the seeding pipe entering the land can be adjusted by unscrewing a threaded rod and adjusting the position of a sliding rod I on a rotating rod, so that the seeding depth can be adjusted, the transverse seeding spacing can be controlled by controlling the rotating speed of a motor, and the seeding pipes are in threaded connection with a lifting plate, so that the seeding pipes can be mounted at intervals; further, the longitudinal seeding spacing is controlled.

The invention relates to the technical field of welding materials, in particular to an integrated welding material and a welding method.The integrated welding material comprises a metal wire and a filling solder matrix, the metal wire comprises one or more of Ag, Au, Pb, Pt, Cu, Ni, Co, Fe, Mn, Mg, Ti, Zr, W and In and alloys of Ag, Au, Pb, Pt, Cu, Ni, Co, Fe, Mn, Mg, Ti, Zr, W and In, the filling solder matrix comprises one or more of Sn-based solder, Pb-based solder, In-based solder, Bi-based solder, Zn-based solder, Au-based solder, Cd-based solder and Ga-based solder, the wettability and voidage of the filling solder can be kept after the integrated solder is welded, meanwhile, due to the fact that the melting point of the filling material is high, good supporting force can be provided during welding, and after welding, the filling material is not prone to falling off. The metal wire with the high melting point and the filling solder form an IMC layer, so that the welded material has better mechanical performance and safety and reliability, tin overflow is avoided during welding, and the phenomenon of poor welding is avoided.

The invention discloses a hydrogen fuel cell cathode gas supply system which comprises a hydrogen fuel stack, and a gas separator, a gas-liquid separator and a circulating fan are sequentially connected between a cathode inlet of the hydrogen fuel stack and a cathode outlet of the hydrogen fuel stack to form a residual oxygen circulation loop; a layer of oxygen separation membrane is arranged in the gas separator to divide the gas separator into a compressed gas cavity and an oxygen gas cavity; the gas-liquid separator and a cathode inlet of the fuel stack are respectively connected to two sides of the oxygen gas cavity; an exhaust electromagnetic valve is arranged on one side of the compressed gas cavity, and the other side of the compressed gas cavity is sequentially connected with a gas compressor and an air filter to form a fresh air inlet path; the method has the advantages that the membrane electrode can be kept moist, the reaction time can be prolonged, and the oxygen concentration and the utilization rate can be improved.

The invention discloses a cable-stayed bridge girder symmetric suspended pouring efficient construction method based on a front fulcrum cable-stayed hanging basket, which adopts a front fulcrum hanging basket symmetric suspended pouring mode for construction, and comprises the following steps: A, mounting a hanging basket; b, mounting a bottom film; c, mounting and tensioning the stay cable; d, mounting reinforcing steel bars and prestressed pipelines; e, end film installation; f, concrete pouring; g, pre-stress construction in the beam body; h, the hanging basket is placed downwards, then walking anchoring is conducted on the hanging basket, and the formwork is lifted and installed; the hanging basket is installed in a hoisting mode after being assembled, and a corresponding assembling place is selected according to the position of a pier; the concrete used during concrete pouring is good in flowability, workability, water-retaining property, cohesiveness and volume weight, and the concrete is uniformly put into a mold and is vibrated and compacted during concrete pouring; during prestress tensioning, multiple times of tensioning circulation are conducted; a deviation rectifying mechanism is arranged on the rear portion of the hanging basket. The problems that an existing hanging basket is prone to deviation due to errors and stability in erection, uneven concrete pouring and prestress loss are solved.

The utility model relates to a hydrogel patch with an oral cavity restoration function, which comprises a gel layer, a composite layer arranged at the top of the gel layer, a polyvinyl alcohol layer arranged at the top of the composite layer, an anti-inflammatory layer arranged at the top of the polyvinyl alcohol layer, a polyethylene glycol diacrylate layer arranged at the top of the anti-inflammatory layer, and an anti-inflammatory layer arranged at the top of the polyethylene glycol diacrylate layer. A plurality of placing grooves are formed in the top of the polyvinyl alcohol layer, and micro-nano particles are arranged in inner cavities of the placing grooves. The oral cavity patch has the advantages of being good in stability and good in treatment effect, in the actual using process, the gel layer and the double-layer thiolated alginate layer are additionally arranged and used for providing enhanced adhesion, it is ensured that the patch can be tightly attached to the interior of the oral cavity, stability is kept, materials with higher adhesion are introduced, and the effect is good. Therefore, the patch can be firmly attached to a damaged part even in a humid environment; and a lasting moisturizing effect is provided through the hyaluronic acid layer.

The utility model discloses automatic temperature control equipment for mass concrete, and relates to the technical field of temperature control. The mass concrete automatic temperature control equipment comprises a water collecting tank base and a concrete temperature control equipment base, an adjusting assembly comprises a fixing support, the fixing support is welded to the surface of the concrete temperature control equipment base, two supports are welded to the front end of the fixing support, and a driving motor is fixedly connected to the surface of the lower support. The output end of the driving motor is fixedly connected with a threaded rod, the surface of the threaded rod is sleeved with a sliding block in a threaded mode, two water passing pipes are symmetrically welded to the surface of the sliding block, the opposite faces of the two water passing pipes are fixedly connected with a plurality of sprayers correspondingly, and the sprayers move up and down to spray water to cool the surface of the concrete block. The cooling uniformity of the concrete block can be improved, the surface of the concrete block can be kept wet by spraying water to cool the surface of the concrete block, cracking caused by local premature drying of the concrete block is prevented, and the quality and strength of the concrete can be ensured.

The invention discloses a preparation method of a polymer microporous material, and relates to the field of polymer microporous material research. The microporous material prepared by the invention has rich and controllable pore structures, and the permeability and hydrophilicity of the material are remarkably improved, so that the microporous material can quickly absorb moisture and keep a wet state; and meanwhile, effective regulation and control on the microporous structure are realized by adjusting process parameters such as solution concentration, solvent type, coagulating bath temperature and time. In addition, the mechanical strength and stability of the material are enhanced through uniform micropore distribution, and the reliability of the material in practical application is ensured. The polymer microporous material shows excellent hydrophilicity and structural stability, and is suitable for the fields of water treatment, environmental protection and the like.

The utility model discloses a road greening flower box which comprises a base, a splicing type box body arranged above the base, a flow guide cover arranged at the top of the splicing type box body, a supporting plate arranged on the inner side of the splicing type box body, a water tank arranged above the supporting plate, the splicing type box body comprises four side plates, and the two ends of each side plate are designed to be tangent slopes. A rotating shaft mounting block is arranged below the side plate, a plurality of limiting blocks are arranged at the two ends of the inner wall of the side plate, the limiting blocks and the side plate are integrally cast, round holes are formed in the limiting blocks in a penetrating mode, limiting rods are arranged in the round holes, and fixed round rods are arranged at the tops of the limiting rods; the utility model has the advantages of stable structure and high strength, and is convenient for drainage and water storage.

The utility model discloses a special rehabilitation appliance for tinea of feet and hands, which at least comprises a composite sleeve wrapping a finger or a toe, the composite sleeve comprises an airtight layer, a liquid medicine storage layer and a slow-release structure layer, the slow-release structure layer at least comprises a first one-way moisture-conducting fiber layer, the airtight layer is sleeved on the liquid medicine storage layer, and the first one-way moisture-conducting fiber layer is sleeved on the slow-release structure layer. The slow-release structure layer is sleeved with the liquid medicine storage layer; the moisture guiding direction of the first one-way moisture guiding fiber layer is from outside to inside. According to the utility model, continuous liquid medicine soaking treatment can be provided for a focus, and the normal work and life of a patient are not influenced.

The separation equipment comprises a machine body and a bottom frame, sleeves are fixed to the four corners of the top of the bottom frame, the top ends of the four sleeves are elastically connected with supporting rods through springs, the bottom ends of the four supporting rods are inserted into the sleeves on the corresponding sides in a sliding mode respectively, and the machine body is fixed to the top ends of the four supporting rods. A vibration motor is installed on one side of the bottom of the machine body. Clean water in the water storage tank is pumped into the spray head and sprayed downwards on coal gangue located on the screen mesh through matched use of the water pump and the water inlet pipe, so that the coal gangue is moistened, dust is reduced, meanwhile, the interior of the machine body is kept moist, it is avoided that the interior of the machine body is too dry to generate more static electricity, and dust static electricity is prevented from being adsorbed on the inner wall of the machine body; a copper wire is arranged in the dust suction pipe, static electricity is guided into the ground through the copper wire, static electricity in the pipeline is reduced, dust can be prevented from being adsorbed on the inner wall of the pipeline, and the pipeline is kept clean.

The utility model discloses a pair of liquid storage moisturizing glasses which comprises a glasses frame, the left end and the right end of the interior of the glasses frame are respectively provided with an object placing plate extending forwards, object placing grooves penetrating forwards are formed in the side faces, close to each other, of the two object placing plates, liquid storage devices are arranged in the object placing grooves, lenses are arranged in the glasses frame, and the liquid storage devices are arranged in the lenses. The front side face of the glasses frame is further provided with a partition plate assembly wound outside the lenses and the storage groove, the liquid storage device is sponge, when the sponge is placed in the storage groove, liquid medicine can be volatilized, eyes are protected, dryness caused by the fact that a user wears the glasses for a long time to watch electronic products is prevented, and the glasses can be kept wet without dripping eye drops frequently. According to the utility model, the partition plate assembly is arranged inside, so that the liquid medicine can keep a certain concentration at the glasses part of a user after being volatilized, and does not escape too quickly; according to the utility model, the externally-hung hanger is arranged in the sponge, so that the sponge in the sponge can preserve moisture for a long time, and liquid medicine does not need to be added frequently.

The invention provides a surgical defect wound infection nursing negative pressure dressing, and relates to the technical field of medical instruments. The surgical defect wound infection nursing negative pressure dressing comprises an oil yarn layer, an injector, a flushing pipe, a second multi-way pipe joint, a second branch pipe and a second side hole. A plurality of second branch pipes are arranged between the oil yarn layer and the wound surface, so that the syringe can discharge the cleaning liquid into the flushing pipe, and the cleaning liquid can be uniformly discharged into the second branch pipes through the second multi-way pipe joint; the cleaning liquid is uniformly sprayed to the wound surface and one surface, facing the wound surface, of the oil yarn layer through the second side holes in the second branch pipe, so that the wound surface is effectively flushed, necrotic tissues, germs and the like on the wound surface are thoroughly removed, necrotic tissue fragments and impurities adhered to the surface of the oil yarn layer can be flushed away, and the cleaning effect is good. The impurities are prevented from being attached to the oil yarn layer for a long time, so that the permeability of the oil yarn layer is influenced, and the drainage effect on the percolate is further influenced.

The invention relates to the technical field of soil improvement, and discloses a garden soil composite improver and a preparation method thereof. The soil composite improver comprises, by weight, 12-15 parts of fermented organic fertilizer, 9-20 parts of modified water-retaining adsorbent, 24-30 parts of biochar, 5-8 parts of plant ash, and 1.2-2 parts of a microbial mixture. The soil composite improver has good adsorption to heavy metal ions, can effectively remove heavy metal ions in the soil, and has excellent fertilizer and water retention, and can maintain the nutrients in the soil for a long time. It has excellent air permeability and water retention, can keep the soil loose and moist, improve soil compaction, improve soil air permeability and soil activity, provide necessary air and water for the growth of plant roots, and each component complements and promotes each other, synergizes and enhances efficiency, and can effectively improve the quality of garden soil.

The invention provides antibacterial eye drops containing a herbal compound for pets and a preparation method of the antibacterial eye drops. The antibacterial eye drops for the pets are prepared from the following components in percentage by mass and volume: 1%-5% of a compound of a honeysuckle flower extract and a dandelion extract, 0.2%-1% of hyaluronic acid, 0.01%-0.05% of vitamin B2, 0.001%-0.005% of menthol and the balance of water for injection. The antibacterial eye drops for pets not only have efficient antibacterial and anti-inflammatory effects, but also are mild and non-irritant in formula, free of toxic and side effects, suitable for pets to use for a long time and capable of maintaining eye health of pets for a long time.

This invention relates to the field of feminine hygiene products, and discloses a feminine hygiene product and its preparation method. The feminine hygiene product is prepared from a functional phase solution, a gel matrix solution, an aqueous lactic acid solution, and an aqueous sodium lactate solution. The functional phase solution is obtained by mixing deionized water, glycerin, fructooligosaccharides, and chitosan quaternary ammonium salt. The chitosan quaternary ammonium salt is obtained by mixing an aqueous acetic acid solution, chitosan, and an aqueous 2,3-epoxypropyltrimethylammonium chloride solution. The gel matrix solution is obtained by mixing deionized water and poloxamer 407 powder. This invention uses poloxamer 407 as a temperature-sensitive gel matrix. When body temperature is reached, the hydrophobic polyoxypropylene segments in its molecules dehydrate and self-assemble to form a three-dimensional network gel structure, thereby transforming the liquid product into a semi-solid gel that can adhere tightly to the mucous membrane, prolonging the action time of the active ingredients.

The utility model discloses a surgical instrument tray assembly set and a surgical instrument tray, the surgical instrument tray assembly set comprises a support bottom, a tray cover and a tray cover, the support bottom is provided with a waterproof area; the limiting piece is arranged on one side of the supporting bottom in the thickness direction and located in the waterproof area, a plurality of wire grooves are defined by the limiting piece, the wire grooves extend in the first direction, the wire grooves are arranged at intervals in the second direction, and the first direction is perpendicular to the second direction. According to the surgical instrument tray set, arrangement of surgical instruments such as surgical suture lines in the surgical process can be reduced, medical staff can take the surgical instruments conveniently, the surgical suture lines can be kept moist, cut injury of the surgical suture lines to human tissue in the suture process is reduced, and the surgical efficiency of the medical staff is improved.

The application discloses a kind of east star juvenile fish screening transfer device for breeding and its using method, it is related to fry screening transfer technical field.The present application includes screening transfer component, and one side of screening transfer component is fixedly connected with transfer control component, and transfer control component is connected with screening transfer component, and a plurality of buffer adjustment components are fixedly connected inside screening transfer component.The present application controls quantitative into equipment inside by transfer control component, and stably controls juvenile fish to enter inside screening transfer component, and different sizes of juvenile fish are processed by using screening transfer component to multi-stage screening, and good screening juvenile fish is transferred according to size, when juvenile fish screening falls, buffer adjustment component generates buffer water curtain, and buffer operation is carried out to screened juvenile fish, reduce fry damage, realize the multi-stage screening operation of juvenile fish, keep juvenile fish moist during screening process, and reduce the damage of juvenile fish during screening process and after screening, facilitate the transfer of juvenile fish.

The utility model relates to the field of patches of electronic pulse massagers, in particular to a patch storage device of an electronic pulse massager. The storage device aims at solving the technical problem that in the prior art, used patches and unused patches cannot be placed in a classified mode. A patch storage device of an electronic pulse massage instrument comprises a storage box, an avoiding groove, a first storage assembly and a second storage assembly. According to the utility model, the first storage assembly and the second storage assembly are assembled in the storage box, the assembled patches are large in storage quantity and clear in classification, a closed space is formed in the storage box, dust is prevented from entering the stored patches, the performance of the patches is prevented from being influenced, and the storage box can be carried in a unified manner, is small in occupied volume and convenient to carry; each new patch is independently stored through the first storage assembly and is convenient to take and place, and the attaching end of the used patch can be cleaned and disinfected through the second storage assembly, so that the patch is kept moist and sanitary.

The utility model relates to a root growth guiding device for mine restoration plants, which comprises an external main body serving as an external structure of the guiding device and a root guiding device. Wherein the outer main body of the guiding device is cylindrical, the outer main body of the guiding device is divided into a two-petal type structure through a longitudinal dividing line, the two-petal type structure is fixed and separated through a connecting hole and a straw connecting line, and vent holes and water permeable holes are evenly distributed in the outer main body; and the inner main body is an inner structure of the guiding device and is a moisture supply device. Wherein the internal main body of the guider is a permeation tube, the longitudinal bottom of the permeation tube is closed, and the longitudinal top end of the permeation tube is provided with a detachable two-way joint. The root system is guided to be inserted into rock wall gaps to grow, so that the root system is combined with the rock wall, the plant survival rate is improved, the plant stably and continuously grows, the plant root system completely plays a role in soil fixation and slope protection, and the greening effect is improved. The mine ecological environment is improved, and potential ecological functions are restored as soon as possible.

The maintenance device for the tunnel comprises a trolley provided with a walking assembly, a side jacking assembly and a jacking assembly, the trolley is provided with a closing assembly, and a closed maintenance space can be formed between the closing assembly and concrete to be maintained. The trolley is provided with an atomization spraying assembly capable of spraying atomized curing steam with a certain temperature into the curing space. And after the trolley moves in place, the side jacking assembly and the jacking assembly work, a closed curing space can be formed between the closing assembly and the to-be-cured concrete, and meanwhile the invention further discloses a curing method for the tunnel. Atomized curing water with a certain temperature is sprayed in a sealed curing space, so that the whole curing effect is the same as that of steam curing, but the steam curing is realized by adopting an atomizing spray head without being heated to a very high temperature or being independently equipped with special equipment, so that compared with the existing steam curing, the steam curing efficiency is greatly improved. And the cost and the energy consumption can be effectively reduced.

The utility model relates to the technical field of agricultural fertilization equipment, in particular to fertilization equipment for farmland improvement. The machine comprises a frame, a moving device, a soil turning device, a sowing device, a spraying device, a soil covering device and a watering device, the soil turning device is installed at the front end of the frame, the sowing device is installed on the frame, the sowing direction of the sowing device is downward, the spraying device is installed on the frame, the spraying direction of the spraying device is downward, and the soil covering device covers the soil covering device. The soil covering device and the watering device are installed at the rear end of the frame, and a conveying belt is installed between the soil turning device and the soil covering device. The soil turning device, the sowing device, the spraying device, the soil covering device and the watering device are integrated on one device, so that all operations of farmland soil turning, fertilization and watering are realized, mutual cooperation is realized, a scientific and reasonable fertilization method is realized, the soil property is effectively improved, the soil fertility is improved, and meanwhile, the fertilizer and water retention of the farmland is facilitated; and farmland improvement is facilitated to be suitable for efficient growth of various crops.

The invention discloses a water-saving spray curing device for a concrete building structure, and relates to the technical field of spray curing, comprising a workbench, a lifting device is fixedly installed at the bottom of the workbench, a moving device is fixedly installed at the bottom of the lifting device, and the spray curing device is arranged on the top of the workbench, the spray curing device comprises a water storage cylinder, a pumping device, a water tank, a spraying device, a water collecting tank, a water guide pipe, a support frame, a motor, a reciprocating screw, a fixed plate, a trapezoidal plate, a threaded block, a sliding rod and a circular ring, the water in the water storage cylinder is pumped out by the pumping device, and then enters the spraying device through the water tank, and the wall is sprayed by the spraying device, the water storage cylinder is fixedly installed on the top of the workbench, the pumping device is fixedly installed on the bottom of the inner wall of the water storage cylinder, and the water tank is fixedly installed on the top of the workbench, and water resources can be saved by collecting splashed water, and water can be prevented from flowing downwards and directly causing water resources waste.