109results about How to "Suitable for growth" patented technology

The invention relates to the field of sewage control, in particular to a nano zero-valent iron and zeolite molecular sieve synergistic composite material as well as a preparation method and application thereof. The nano zero-valent iron synergistic zeolite molecular sieve composite carrier (nZVI at Z-PU) is successfully prepared through an impregnation method, the preparation method is simple and controllable, and corresponding substances are introduced in the preparation process, so that the composite carrier has the structure and properties of being rough in surface, hydrophilic and carrying positive charges. Through modification, the ammonia nitrogen adsorption capacity of the nZVI-Z-PU is increased to 4-6.5 mg / g carrier, meanwhile, the initial adsorption capacity of the nZVI-Z-PU to microorganisms is remarkably improved and is 8.7 times that of a common polyurethane sponge carrier, and the initial adsorption capacity of the nZVI-Z-PU to the microorganisms is far superior to that of the common polyurethane sponge carrier. Therefore, after the zeolite molecular sieve and the nZVI are combined, the generation of NOB can be remarkably inhibited, and meanwhile, the activity of AnAOB is improved.

The invention relates to the technical field of red mud treatment, in particular to artificial planting soil, a method for preparing the artificial planting soil from red mud and application of the artificial planting soil. Red mud is strongly alkaline and cannot be directly used as planting soil. The method comprises the following steps: curing red mud by using cement, preparing a porous light foam slurry from a mixed slurry by using a soil structure restorer, curing, crushing and granulating to obtain porous light artificial soil particles with strength, adjusting the pH value of the particles by using a phosphoric acid soaking method, and finally obtaining the artificial planting soil meeting the planting soil standard. Compared with traditional open-air stockpiling, the method has the advantages that the red mud can be effectively reutilized at low cost and prepared into the planting soil for plant growth.

The invention discloses a growth raw material of a silicon carbide crystal, a preparation method and application, the growth raw material of the silicon carbide crystal comprises a core layer, a first wrapping layer on the outer side of the core layer and a second wrapping layer on the outer side of the first wrapping layer, the core layer is silicon carbide, the first wrapping layer is silicon, and the second wrapping layer is silicon carbide. The growth raw material of the silicon carbide crystal is designed into a three-layer structure, so that the carbon-rich phenomenon of raw material decomposition can be effectively improved, and the defect of carbon wrapping in a prepared silicon carbide single crystal product is overcome.

According to the preparation method of the special biochar base fertilizer for saline-alkali soil improvement, the porous characteristic of biomass charcoal and the characteristic that wood vinegar can adjust the pH value of soil are utilized, the special biochar base fertilizer for saline-alkali soil improvement is prepared, and the preparation method is simple, low in cost and environmentally friendly; the obtained charcoal-based fertilizer can be used as a soil conditioner for improvement and recovery of large-area saline-alkali soil. When the biochar base fertilizer is used for saline-alkali soil cotton planting, it is found that the stem diameter, plant height and leaf chlorophyll content of cotton are remarkably increased, the pH, conductivity and volume weight of soil are remarkably reduced, and the porosity and saturated water-holding capacity of the soil are remarkably increased; the biochar-based fertilizer has the potential of adjusting the acid-base imbalance of the saline-alkali soil, improving the soil structure, increasing the organic matter content of the soil, improving the soil fertility and increasing the crop yield, and a sustainable, economical and effective solution can be provided for agricultural production.

The invention provides a method for river and lake spray-seeding slope protection through dredged sediment. A mixed planting base material is prepared from dredged soil and leaf mold and is used for spray-seeding river and lake ecological slope banks. The method provided by the invention effectively solves the problem that water and fertilizer loss is easy to generate after dredged soil serves as the slope protection and is scoured by rainfall, and cement with relatively strong alkalinity is not used as an adhesive, so that the ecological rapid restoration of the slope protection is facilitated, and the water and fertilizer retention capability of the spray-seeding matrix is enhanced.

The utility model discloses a rice water-saving cultivation device which comprises a water storage tank, a planting box is arranged in the water storage tank, a control panel is installed at one end of the water storage tank, movable grooves are formed in the four corners in the water storage tank, lead screws are installed in the movable grooves, and the lead screws are connected with the planting box through a connecting rod. The lead screws are sleeved with lead screw sleeves matched with the lead screws, and the lead screw sleeves are connected with the bottoms of the edges of the planting box. According to the rice water-saving cultivation device, the water storage tank and the planting tank are arranged, the planting tank is arranged in the water storage tank, and the height of the water storage tank can be adjusted through the transmission effect of the lead screw, so that the liquid level needed by rice growth is automatically adjusted, variable weather environments are coped, and meanwhile the purpose of saving water is achieved; and the screw rod is higher in adjusting stability, does not cause shading, and is more reasonable in design.

The invention belongs to the field of materials, and particularly discloses a film capable of regulating and controlling ultraviolet rays and a preparation method and application thereof. The thin film comprises a heat insulation layer, an ultraviolet absorption layer and a heat preservation layer which are sequentially arranged in a stacked mode. The ultraviolet absorption layer is prepared from the following components in percentage by mass: 0.1 to 1 percent of UVA ultraviolet absorbent, 0.5 to 5 percent of UVB ultraviolet absorbent and 94 to 99.4 percent of resin matrix. According to the film disclosed by the invention, the UVA ultraviolet absorbent and the UVB ultraviolet absorbent are introduced into the ultraviolet absorption layer, and the light intensity of the UVA ultraviolet and the UVB ultraviolet which penetrate through the film is regulated and controlled by partially absorbing ultraviolet rays in sunlight, so that an ultraviolet environment suitable for plant growth is obtained; the ultraviolet rays are effectively utilized by the plants, so that the content of nutrient substances such as anthocyanin and quercetin in the fruits is increased.

The utility model discloses a magnetic crystal pulling permanent magnet device capable of ascending and descending, and belongs to the technical field of single crystal furnace accessories. A base; the magnet yoke is located above the base, the magnet yoke is provided with an opening, and the magnet yoke is provided with two mounting surfaces which are oppositely arranged; the two sets of permanent magnets are respectively fixed on the two mounting surfaces, a gap is formed between the two sets of permanent magnets, the opposite end surfaces of the two sets of permanent magnets are arranged to be concave surfaces, and the polarities of the opposite end surfaces of the two sets of permanent magnets are opposite; the lifting assembly is connected with the base and the magnet yoke, and the lifting assembly can drive the magnet yoke to move in the direction close to or away from the base; when in use, the two sets of permanent magnets on the magnet yoke are respectively positioned on two sides of the single crystal furnace, the concave surfaces of the two sets of permanent magnets can enable a magnetic field penetrating through the single crystal furnace to be distributed more uniformly, and the height of the magnet yoke can be conveniently adjusted through the lifting component, so that the magnetic field intensity is adjusted, and the crystal pulling quality of crystals is effectively improved.

The present application discloses a method, system and storage medium for controlling the breeding of black soldier flies; the breeding area of ​​black soldier flies is divided into a number of cells. Each cell represents a local area of ​​the breeding area, including its own environmental parameters such as humidity, temperature, oxygen content, and exhaust gas content; 1. Automated control: The intelligent breeding environment control system can automatically monitor, predict and adjust the environmental parameters such as humidity, temperature, oxygen content, and exhaust gas content of the breeding area. Through the cellular automaton model and D-S theory verification, the system can autonomously predict and verify environmental parameters, realize automated breeding environment regulation, and greatly reduce the need for manual intervention. 2. Efficient optimization: By continuously predicting and adjusting at each time step, the intelligent breeding environment control system can optimize the environmental conditions of the breeding area to make it more suitable for the growth and reproduction of black soldier flies.

The invention discloses a method for preparing a tellurium-indium-lead polycrystal material for single crystal growth by a horizontal gradient crystallization method, and relates to a preparation method of the tellurium-indium-lead polycrystal material. The technical problems that an existing PIT single crystal is serious in cracking and high in optical absorption are solved. The method comprises the following steps: weighing a Pb source, an In source, a Te source and In2Te3 raw materials, putting the raw materials into a crucible, putting Te providing atmosphere pressure into another crucible, putting the two crucibles at two ends of a quartz tube, filling inert gas, and sealing by melting; the method comprises the following steps: putting a quartz tube into a double-temperature-zone horizontal tube furnace, putting a raw material crucible into a high-temperature zone, putting another crucible into a low-temperature zone, and carrying out a reaction stage, a homogenization stage, a gradient crystallization stage and a cooling stage to obtain the tellurium-indium-lead polycrystal material. The polycrystalline material is used for growing a single crystal, the optical absorption of a wafer with the thickness of 4.385 mm and double polished faces is smaller than 0.17 cm <-1 > at the 2.09 mu m position, middle and far infrared laser can be output by means of laser pumping, and the polycrystalline material is used in the fields of industry, medical treatment and energy.

The tissue culture method comprises the following steps: (1) preparing an explant; (2) preparing a tissue culture induction culture medium; (4) subculture; (5) rooting culture; (6) transplanting tissue culture seedlings and the like. According to the method disclosed by the invention, through a series of working procedures such as disinfection, basic culture, multiplication culture and rooting culture on the euonymus japonicus tissue culture seedlings, a large number of euonymus japonicus bud tissue culture seedlings with stable quality can be quickly obtained.

The invention belongs to the technical field of seedling culture, and discloses a flower seedling culture device for flower planting, which comprises a culture box, an air cylinder is mounted in the culture box, one end of a lifting rod is provided with an anti-skid groove, and one end of the lifting rod is provided with a quick release mechanism. After a culture cylinder is filled with nutrient soil and before flower seedlings are planted, a servo motor is started, the servo motor drives a connecting disc to rotate and then drives a soil loosening rod, a short rod and a long rod to rotate, so that the short rod and the long rod loosen soil in the culture cylinder during rotation through the shapes of the short rod and the long rod; more gaps are formed, so that root respiration of the flower seedlings is not hindered, the water retention capacity of the soil is improved, the texture of the loosened soil is more suitable for growth of the flower seedlings, and the purpose that the device can conveniently and rapidly turn over the soil to improve the growth environment of the flower seedlings is achieved.

The rooting culture device comprises a bearing mechanism, an LED lamp is arranged above the bearing mechanism, bases are installed on the two sides of the LED lamp, the bases are placed on the two sides of the bearing mechanism, and a covering and sealing mechanism is movably connected to the upper portion of a rear panel body at the top of the bearing mechanism. A side blocking mechanism is slidably connected to the right side of the bearing mechanism, and a plurality of supporting mechanisms are evenly arranged in the middle of the interior of the bearing mechanism in parallel at equal height. A living space is provided for dendrobium candidum through the bearing mechanism, a humid environment is provided for the dendrobium candidum by laying the moss, the white light LED lamps provide full-spectrum light similar to natural sunlight, growth and development of the dendrobium candidum are facilitated, the dendrobium candidum supporting rods are limited through the multiple supporting mechanisms, and the dendrobium candidum supporting rods are limited through the multiple supporting mechanisms. Therefore, the culture efficiency of the dendrobium officinale is ensured.

The invention relates to a method for cultivating stropharia rugoso-annulata by using Ganmaoling traditional Chinese medicine residues, which comprises the steps of raw material preparation, raw material pile building, raw material pile turning, compost laying, punching and sowing, soil covering and grass covering, and fruiting management, in the raw material preparation process, the traditional Chinese medicine residues, lime and a fermentation agent are uniformly mixed, and the compost is prepared. The production cost is reduced, the cultivation process is simplified, and the fruiting yield and quality of the stropharia rugoso-annulata are improved.

The invention discloses equipment for growing silicon carbide single crystals by a PVT method. The equipment comprises a rack, a furnace chamber; the furnace chamber is arranged on the rack and has a thermal field structure; the thermal field structure is arranged in the furnace chamber; a heating structure; the heating structure surrounds the outer part of the furnace chamber; an air inlet structure; the air inlet structure comprises an air inlet, an air outlet and an air inlet channel, the air inlet is formed in the top of the furnace chamber, and the air inlet channel extends downwards from the air inlet and penetrates through the thermal field structure to the bottom of the furnace chamber; the thermal field structure has the beneficial effects that the structure is compact, the installation space of equipment can be saved, and meanwhile, after the size of the whole equipment is reduced, an operator can conveniently disassemble and assemble the thermal field structure to fill raw materials; according to the technical scheme, the heating structure is provided with the lifting assembly, and the lifting assembly can control the lifting of the main body coil according to the temperature distribution in the furnace chamber, so that the temperature in the furnace chamber is more stable and more uniform, and the heating structure is suitable for the growth of large-size silicon carbide single crystals.

The invention relates to an early-maturing-promoting, quality-improving and efficiency-improving planting method for sweet oranges in a dry-hot valley region, and belongs to the technical field of sweet orange planting. The method comprises the following steps: selecting a crystal sugar orange adult fruit-bearing orchard which is good in growth vigor and tidy in tree vigor after being planted for 3 years; irrigation is conducted from mid-to-late September to mid-to-late November in the same year, the soil humidity is kept to be 50%-70%, leaves of the fruit trees are dry and curled in the daytime, and the fruit trees return to the normal state at night; in the first ten days of October in the current year, 600-700 times of a 30% paclobutrazol suspending agent is sprayed; after the fruits are harvested, in the middle ten days of November of the current year, pruning is conducted after flower bud differentiation is completed by 70%-80%; fertilizing in mid-to-late November in the same year, and irrigating thoroughly; 20% gibberellic acid soluble powder is sprayed twice. By means of the method, the yield per mu is increased by about 50%, pericarp is smooth, fruits are uniform in color, shape and size, pulp is fresh and tender, the solid content is obviously increased, and application and popularization are easy.

A straw seedling raising board production line relates to the technical field of seedling raising board equipment. It solves the problem that the existing seedling raising materials have poor water retention and fertilizer retention, which leads to soil compaction and sewage discharge. The present invention is composed of straw feeding and conveying, spiral-driven horizontal constant steaming, straw fiber grinding, drying, straw fiber and auxiliary material metering, stirring, paving, board loading, hot pressing, board unloading, seedling raising board and pad separation stacking, seedling raising board vertical and horizontal cutting counting stacking and packaging equipment. The present invention adopts a PLC full-automatic control system, which has the advantages of ingenious design, fast product molding, reduced manpower consumption, large production capacity, high production efficiency, and the product is beneficial to the fertilizer and water retention during the seedling raising period, and can cultivate excellent seedlings.

The present invention discloses a cell-carrying microgel for ophthalmic injection and its preparation method and application, belonging to the field of biopharmaceutical technology. The cell-carrying microgel for ophthalmic injection comprises a double-network cross-linked gel microsphere constructed by cross-linking two or more polymer materials, the surface of the gel microsphere is coated with fibrin, and the surface of the fibrin is loaded with retinal pigment epithelial cells. The present invention uses the free radical polymerization reaction of GelMA / HAMA to photocross-link the microspheres, and after the surface is coated with fibrin, hESC-RPE cells are implanted. The obtained cell-carrying microgel realizes a new fundus cell transplantation strategy for minimally invasive injection of subretinal cavity.

The invention relates to a breeding method of an artificial fishpond, a sewage improvement method and a gravel soil improvement method, and belongs to the industry: A01C planting according to the international patent classification table (2024.01 edition); the method comprises the following steps: carrying out primary treatment on C02F9 / 00 water, wastewater or sewage, fertilizing, carrying out A01K fish culture industry, carrying out multi-stage treatment on C02F9 / 00 water, wastewater or sewage, carrying out C02F11 / 02 biological treatment and carrying out C02F11 / 00 sludge treatment; the device is provided. According to the technology, a plant filtration method, a plant decomposition method and an aquatic animal waste or sewage recycling and decomposition method are adopted as a method for improving water quality and gravel soil in an artificial intervention mode, and the purposes of ecological aquaculture of the artificial fishpond, purification treatment of river sewage, improvement of the gravel soil and ecological environmental protection are achieved. The device can be widely applied to the fields of aquaculture, river sewage purification treatment, desert control, urban tap water purification, fresh water purification, seawater desalination and purification and the like.

The invention discloses a soil matrix prepared on the basis of pyrite slag, a preparation method of the soil matrix comprises the steps that the pyrite slag, hair and sulfuric acid are mixed together for pretreatment, and the weight ratio of the pyrite slag to the hair to the sulfuric acid is (5-10): (0.5-2): (5-10). Hydrolyzed protein obtained through hydrolysis is complexed with heavy metal in the iron sulfide slag, so that the heavy metal in the pyrite slag can be well removed, the content of the heavy metal in the pyrite slag is remarkably reduced, a soil matrix prepared from the pyrite slag is suitable for plant growth, and heavy metal pollution of soil is reduced.

The invention discloses a method for preventing and controlling tobacco bacterial wilt by using vegetable oil and preventing soil compaction and a vegetable oil conditioner thereof, belonging to the technical field of bacterial wilt disease prevention and control. The vegetable oil conditioner is used for prevention and control. The vegetable oil conditioner comprises the following raw materials: vegetable oil, eggshell powder, sodium citrate, whey protein, schizonepeta oil, peanut shell powder, L-methionine and riboflavin. The vegetable oil conditioner is added to prevent and control tobacco bacterial wilt, and the vegetable oil conditioner is used to change soil animal activity, so as to solve the problem of soil compaction and poor air permeability caused by long-term use of vegetable oil in preventing and controlling tobacco bacterial wilt.

The utility model discloses a poultry breeding factory capable of improving the breeding environment, which relates to the technical field of poultry breeding and comprises an air purification device located in a workshop. A breeding room is arranged on one side of the working room; one end of the air purification device is fixedly connected with an air supply main pipeline and an air return pipeline, and the other end is fixedly connected with an air inlet pipeline and an exhaust pipeline; the ends, away from the air purification device, of the air supply main pipeline and the air return pipeline communicate with the breeding room. During use, outside air enters the air purification device through the air inlet pipeline, purified air enters the two auxiliary air supply pipelines through the air supply main pipeline and then is discharged into the breeding room through the multiple air outlets, and meanwhile the air return pipeline can suck contaminated air in the breeding room into the air purification device. And then the air is exhausted to the outside through the exhaust pipeline, so that air replacement in the breeding room is completed, and a good environment is kept in the breeding room.

The invention belongs to the field of liquid fertilizers, and particularly relates to a method for promoting bright colors of flowers by using a lincomycin finished product liquid fertilizer, which comprises the following steps: diluting lincomycin dry powder according to a mass ratio of 1: 100 to obtain a lincomycin finished product liquid; the method comprises the following steps: carrying out aerobic culture in a liquid culture medium containing starch, yeast powder, soybean meal, yeast extract and inorganic salt, supplementing ammonium ions in the lincomycin fermentation process, and controlling the fermentation time to be 36-110 hours, so as to obtain lincomycin fermentation liquor; dissolving urea, potassium chloride, zinc sulfate and the iron fulvic acid solution in water, and uniformly mixing to prepare a nutrient solution; the method comprises the following steps: treating zeolite with the fineness of 200 meshes at a high temperature of 200 DEG C; airing or drying the zeolite until the water content of the zeolite is reduced to be not higher than 5%; according to the lincomycin finished product liquid fertilizer disclosed by the invention, the flowering period is effectively prolonged, so that the bright color effect of flowers is promoted.

The application discloses a planting method for improving tobacco quality, and the fertilization mode of the planting method is set as T3, or T4, or T5. The fertilization treatment is beneficial to tobacco plant growth, tobacco carbon and nitrogen metabolism, tobacco leaf quality, and improves tobacco leaf yield.

The invention discloses a method for reducing sludge moisture content and greenhouse gas emission in a biological drying process, which comprises the following steps: preparing sludge, biomass, biochar and calcium oxide into a mixed material, carrying out biological drying on the mixed material, and in the biological drying process, after 25 hours, adding magnesium chloride to complete biological drying treatment on the sludge. According to the method disclosed by the invention, calcium oxide and magnesium chloride are sequentially added in the biological drying process, and moisture in the sludge can be efficiently removed and the yield of greenhouse gases can be remarkably reduced under the combined action of calcium oxide and magnesium chloride, so that the moisture content of the sludge and the emission of the greenhouse gases in the biological drying process can be effectively reduced; the method has the advantages of being simple in process, convenient to operate, low in cost, high in drying efficiency, small in pollution gas emission amount, environmentally friendly and the like, not only can effectively solve the problem of greenhouse gas emission reduction in the sludge biological drying process, but also can achieve rapid sludge reduction, and is high in use value and good in application prospect.

The application provides a method for treating municipal domestic sewage by using micro-nano bubble reinforced aerobic granular sludge, inoculates aerobic granular sludge which can simultaneously accumulate nitrous nitrogen and remove pollutants into a sequencing batch reactor, introduces municipal domestic sewage, carries out micro-nano bubble aeration, and operates the reactor in an anaerobic / aerobic / anoxic mode; the micro-nano bubble aeration controls the dissolved oxygen concentration at 2-3 mg / L, so that the self-enrichment and stable operation of anaerobic ammonia oxidation bacteria in the aerobic granular sludge are realized. The method utilizes the high oxygen mass transfer efficiency and long residence time of the micro-nano bubble, strengthens the pollutant conversion process in the system, and ensures a suitable anaerobic microenvironment for the anaerobic ammonia oxidation bacteria in the aerobic granular sludge; under the condition of treating municipal domestic sewage, the average concentrations of COD and ammonia nitrogen in the effluent are as low as 34.65 mg / L and 1.92 mg / L respectively, and the total nitrogen removal rate reaches 82.53%.

The utility model relates to experimental device technical field, concretely relates to a kind of paddy field soil remediation experimental device based on photosynthetic bacteria. Specific technical scheme is: including soil culture container, multiple partitions are horizontally and detachably arranged in the soil culture container, a plurality of small holes are arranged on the partition, filter screen is arranged on the partition and the inner bottom surface of soil culture container, a channel with one end opening is horizontally arranged in the partition, the top of the partition is provided with multiple through holes communicated with the channel, pipeline is inserted in the channel, the top surface of the pipeline is provided with multiple insertion holes, and corresponds with the through hole, diffusion tube is sequentially inserted into insertion hole and communicated by passing through filter screen and through hole, liquid inlet pipe is arranged outside soil culture container, liquid inlet pipe is communicated with pipeline, and liquid inlet pipe is communicated with bacteria liquid tank.The utility model can simulate paddy field ecological environment, provide suitable growth and metabolism conditions for photosynthetic bacteria, so as to systematically study the repair effect of photosynthetic bacteria on paddy field soil.

The utility model discloses an energy-saving deamination and ammonia water recovery device, which is applied to the field of chemical separation and comprises a deamination shell, a liquid inlet pipe and a flora inlet are arranged on the deamination shell, a liquid discharge pipe is arranged on the lower surface of the deamination shell, a temperature adjusting mechanism and a stirring mechanism are arranged in the deamination shell, and the stirring mechanism is arranged on the lower surface of the deamination shell. The temperature adjusting mechanism extends into the deamination shell through a liquid discharging pipe, an ammonia water recycling mechanism is arranged on one side of the deamination shell, during use, ammonia-containing wastewater is firstly discharged into the deamination shell through a liquid inlet pipe, then flora is discharged into the deamination shell through a flora inlet, and the ammonia water recycling mechanism is arranged on the other side of the deamination shell. Ammonia is converted into nitrate ammonia by utilizing nitrifying bacteria, then the nitrate ammonia is reduced into ammonia gas to be discharged by utilizing denitrifying bacteria, the temperature in the deamination shell can be adjusted by the temperature adjusting mechanism, so that the temperature is suitable for growth of flora and the activity of the flora is maintained, and then the flora can be fully contacted with ammonia-containing wastewater by the stirring mechanism, so that the treatment efficiency is improved.

The utility model relates to the technical field of crab breeding, in particular to a crab breeding monitoring device which comprises a frame, a water tank is arranged in the frame, a breeding box is arranged on the water tank, a visual module matched with the breeding box is arranged on the frame, a controller is arranged on one side of the frame, a water tank is arranged in the frame, and the controller is connected with the water tank. The water inlet end and the water outlet end of the breeding box are both connected with the water tank, a movable frame is arranged on the frame, a mechanical arm is arranged on the movable frame, a driving structure is arranged on the frame, the driving structure is in power connection with the movable frame, life pictures of crabs are collected by arranging a visual module, remote monitoring is achieved, and the visual module is connected with the water tank. The water tank is connected with the water tank, circulating water flow is formed, water can be supplemented to the water tank in time, sewage in the water tank can be discharged, the bred crabs and the breeding box can be taken out through the mechanical arm, and the labor burden is reduced.

The invention discloses a Baijiu preparation device based on fen-flavor liquor preparation and a preparation process thereof, and belongs to the technical field of fen-flavor Baijiu preparation. The Baijiu preparation device comprises a ground cylinder assembly and a cylinder cover assembly covering an opening in the top of the ground cylinder assembly; the ground cylinder assembly comprises a ground cylinder body and a heat source valve part connected to the periphery of the ground cylinder body in a sleeving mode. When the device is used for preparing fen-flavor liquor, the ground cylinder assembly buried underground can monitor and sense the soil temperature in real time, when the soil temperature is low in winter, the heat sensing touch hand structure in the heat source valve in the ground cylinder assembly is in a contraction state, heat conduction between a cold source and a ground cylinder main body in the ground cylinder assembly is cut off, and the heat source valve in the ground cylinder assembly is closed. When the soil temperature is high in summer, the thermal sensing touch hand structure in the heat source valve can be converted into a semi-contraction state from an extension state, and then heat conduction between the soil and a ground cylinder body in the ground cylinder assembly is cut off again, so that the heat preservation and insulation effects of the device can be guaranteed in an extreme environment, and the service life of the device is prolonged. Further, the fermentation effect in the preparation process of the fen-flavor liquor is guaranteed.