120results about How to "Save land resources" patented technology

The invention provides a novel method for efficiently breeding astropteris contorta through green globular bodies GGBs, and belongs to the technical field of biology. The new method comprises the following implementation steps: obtaining explants, disinfecting and sterilizing spores, aseptically germinating the spores into prothalli, proliferating the prothalli, inducing and growing young sporophytes, inducing and proliferating green globular bodies GGBs, regenerating plants, and acclimatizing and transplanting. According to the method, all culture processes of gametophyte generations can be omitted, propagation can be directly carried out in sporophyte generations, the production cycle of astropteris auriculata seedlings is greatly shortened, a complete artificial rapid propagation technical system of astropteris auriculata is created, the tissue culture process can be simplified, the artificial in-vitro propagation efficiency is greatly improved, and the method is suitable for large-scale popularization and application. And the multiplication coefficient is far higher than that of other reported species of the same family. The seedling method of the high-multiplication-coefficient green globular small bodies GGBs of the astropteris convolvulata can be used for cultivating seedlings with genetic stability and excellent quality so as to improve the artificial planting efficiency, and has the characteristics of low cost, short period, high quality, high survival rate and the like.

The invention discloses a comprehensive utilization method and system for high-value organic wastes and adjustable target products, and belongs to the technical field of resource utilization of organic wastes. The system comprises gasification and carbonization equipment, an afterburning type waste heat boiler, a gas generator set, steam explosion equipment, activated carbon preparation equipment, anaerobic fermentation equipment, a methanol preparation system, flue gas waste heat recycling equipment, an ammonia gas preparation system, biomass charcoal pure oxygen combustion equipment, a green hydrogen preparation system and a biodiesel preparation system. The three technologies of gasification carbonization, steam explosion and anaerobic fermentation are coupled, the treatment efficiency is greatly improved, deep resource utilization of organic solid waste and organic wastewater is achieved through the same set of equipment, the equipment investment is reduced, and the occupied area is reduced; biomass green electric power generated by the gas generator set is used for splitting water to produce hydrogen and oxygen; and secondary gradient utilization and material reutilization of the waste heat of the flue gas are realized.

The invention provides an underwater non-dispersible grouting material as well as a preparation method and application thereof, and relates to the technical field of constructional engineering. Specifically, the red mud concrete comprises the following components in parts by mass: 150-250 parts of red mud, 10-80 parts of Portland cement, 1-8 parts of an alkali activator, 3.5-10 parts of an anti-dispersing agent, 0.5-8 parts of a water reducing agent and a certain amount of water, wherein the alkali activator comprises biomass ash, tungstate, silicate, silica fume, arginine and inorganic alkali, and the anti-dispersing agent preferably comprises sodium alginate modified polyvinyl alcohol, a cellulose compound, stone powder and maltodextrin. The grouting material is obtained by recycling the red mud as a basic raw material, and has the advantages of excellent flowing state, excellent setting time, excellent compressive strength, better underwater dispersion resistance, better construction fluidity and better durability; the preparation process is simple, the performance is excellent, the environment-friendly effect is realized, and the application prospect is good.

The invention belongs to the technical field of repairing of solid waste treatment and disposal, and particularly relates to a large-volume pyrite slag in-situ curing and final covering structure and a repairing method. The remediation method comprises the following steps: evaluating the waste residue mass in a project area, and evaluating the waste residue pollution stability; an original waste residue point in-situ curing method is adopted, and implementation is carried out by selecting a stabilizer and leaching engineering; an original waste residue point final covering method is adopted, and an anti-seepage layer is formed by laying an anti-seepage geotextile mold; according to the method, an ecological restoration method is adopted, soil stabilization treatment is carried out through a soil covering and backfilling method, and ecological restoration is carried out through nursery stock selection, soil selection and cultivation key points; therefore, a stable and efficient comprehensive treatment method for large-volume pyrite waste residues, which adapts to environmental factors such as local climate, terrain, soil and the like, is established.

The invention belongs to the technical field of aquaculture, and particularly relates to a breeding system for combined breeding of zooplankton and phytoplankton and a method for combined breeding of zooplankton and phytoplankton. By means of the breeding system, the phytoplankton releases oxygen and generates organic matter through photosynthesis, and abundant bait is provided for the zooplankton; the zooplankton is fed by the phytoplankton, nutritive salt in the generated waste is dissolved in water and becomes a nutrition source of the phytoplankton, high-density growth of the zooplankton and the phytoplankton is achieved in a limited breeding space, and land resources are effectively saved; and in combination with an intelligent monitoring system, water body environment parameters can be monitored and adjusted in real time, plankton is ensured to grow under the most suitable environment condition, the feed conversion efficiency is improved, and water body pollution is effectively reduced. The primer aquatic bacillus can increase dissolved oxygen in a water body, promote decomposition of organic matters in the water body and release of inorganic nutritive salt, and further support growth of phytoplankton.

The invention provides an outdoor power distribution device arrangement structure based on a 220kV transformer substation, which comprises an air cooling system, a transformer and 220kV GIS equipment, and is characterized in that the air cooling system comprises a steam turbine steam exhaust device, a steam exhaust pipeline and an air cooling condenser, the steam turbine steam exhaust device is arranged on the ground, and the air cooling condenser is arranged on a high overhead cooling platform; the steam turbine steam exhaust device is connected with the air cooling condenser through a steam exhaust pipeline; the transformer is electrically connected with the 220kV GIS equipment, the transformer and the 220kV GIS equipment are both arranged on the ground below the high overhead cold platform, the 220kV GIS equipment is arranged in the metal shell in a closed mode, and the metal shell is filled with SF6 insulating gas. The air cooling system of the steam turbine generator unit, the transformer and the 220kV GIS equipment are reasonably arranged in space, the occupied area is smaller, and land resources are fully saved.

The present invention discloses an intelligent cold storage, including an energy generation system, a cold storage system, a wind power adjustment system and a cold storage, wherein the energy generation system is respectively connected to a wind power generation device and a photovoltaic power generation device and a storage battery on a controller, the windmill of the wind power generation device is arranged on the top of the cold storage to obtain wind energy, and the photovoltaic components of the photovoltaic power generation device are arranged on the east-west direction of the outer wall of the cold storage to obtain solar energy; the cold storage system includes a cold storage plate arranged on the inner wall and inside of the cold storage, and a cold medium salt solution is arranged in the cold storage plate; the wind power adjustment system includes a DC fan arranged at the top of the cold storage, and the DC fan is connected to the controller to obtain power; the cold storage has a plurality of freezing chambers, and a freezing unit separated by a heat-insulating partition in each freezing chamber. The present invention provides an intelligent cold storage that makes full use of renewable energy and natural conditions, can generate electricity for use independently, improves the uniformity of internal airflow organization and the quality of stored food, and optimizes the internal structure.

According to the system, one end of a fixed extraction well is arranged on the ground, and the other end of the fixed extraction well extends to a geothermal reservoir; one end of the movable extraction well is arranged in a roadway of a stope face, and the other end extends to a geothermal reservoir; one end of the movable recharge well is arranged in a roadway of a stope face, and the other end extends to a geothermal reservoir; one end of the fixed extraction well and one end of the movable extraction well are connected to the heat exchange station through extraction pipelines, and the heat exchange station is connected to one end of the movable recharge well through a recharge pipeline; high-temperature water in the geothermal reservoir at the position of the stope face is conveyed to the heat exchange station through the extraction pipeline by the fixed extraction well and the movable extraction well, and low-temperature water in the heat exchange station is conveyed to the geothermal reservoir through the recharge pipeline and the movable recharge well. By adopting the distributed mining and irrigation arrangement, the occupied area needed by well site ground construction is reduced, and the utilization rate of underground geothermal resources is increased while the ground occupied area is effectively saved.

The utility model provides a domestic incineration fly ash resourceful treatment system. The domestic incineration fly ash resourceful treatment system comprises an anaerobic cracking device, a slurrying stirrer, a washing filter pressing device, a brick making device, an impurity removing device, a filtering device, a PH adjusting device and an evaporation concentration device which are sequentially arranged, the slurrying stirrer is used for mixing the fly ash with water and slurrying the fly ash; the washing and filter pressing device is used for carrying out washing and filter pressing on the starch water to obtain rinsing water and washing residues; the brick making device is used for making the washing slag into baking-free bricks; the impurity removal device is used for removing heavy metals and calcium in the rinsing water; the filtering device is used for filtering the rinsing water; the PH adjusting device is used for adjusting the PH of the filtered solution; the evaporation and concentration device is used for evaporating and concentrating the solution to obtain crystal salt and distilled water. The household incineration fly ash resourceful treatment system disclosed by the utility model can be used for realizing resourceful utilization of household garbage incineration fly ash, is energy-saving and environment-friendly, has no secondary pollution, and has remarkable environmental benefits and social benefits.

The invention relates to the technical field of fruit tree cultivation, and particularly discloses a peach tree multi-variety grafting management method which comprises the following steps: step 1, wild hirsute peach pit cultivation and initial transplanting; step 2, grafting peaches of a first grade; step 3, transplanting and rod fixing; step 4, grafting peaches of a second grade; 5, artificially pollinating peaches of the first grade; and step 6, grafting peaches of third and fourth grades. The method has the advantages that the land utilization efficiency is improved, multiple varieties grow on the same tree, and land resources are effectively saved; fruit varieties are enriched, the requirements of the market for diversified fruits are met, and the product competitiveness is improved; 3, the picking period is prolonged: the mature periods of different varieties are staggered, and the picking and selling periods of fruits are prolonged; the ornamental value of fruit trees is increased due to coexistence of multiple varieties, and the method is suitable for sightseeing orchard construction.

The invention discloses a device for generating power at the top of a chimney, the device is directly mounted at the top of the chimney without additionally occupying land area on the ground or nearby areas, land resources are saved, maximum utilization of space is realized, large-scale ground modification is not required when the power generation device is mounted, and the device is convenient to mount and maintain. In addition, the cost for building an independent supporting frame is saved, no extra supporting frame needs are needed, the installation process is simpler, more convenient and faster, the construction period is shortened, and the human input is reduced. Meanwhile, the safety risk in the installation process is reduced, and the safety and reliability of the power generation equipment under the severe weather condition are ensured by directly fixing the power generation unit on the supporting cover body at the top of the chimney and using the high strength and stability of the chimney as a supporting foundation without complex supporting structure building at the high altitude.

The application discloses a blasting simulation test device based on a safety protection barrier test, which comprises a protection box, the top of the protection box is connected with a mounting cover, the top end of the protection box is provided with an observation window, the top end in the protection box is connected with an operation plate, the bottom end in the protection box is provided with a lifting mechanism, the bottom of the operation plate is fixedly connected with symmetrical supporting rods, the end portions of the two supporting rods are fixedly connected with supporting plates, the lifting mechanism is connected with the supporting plates, the first simulation buildings are fixed on the top center of the operation plate, and four first simulation buildings are equidistantly arranged around the first simulation building, when the blasting test is carried out, the vibration wave influence of the four first simulation buildings around the first simulation building can be observed through the blasting of the explosive agent in the first simulation building, the influence of the multiple first simulation buildings in the test can be obviously observed, the accuracy of the test is improved, and the situation that the test result is inaccurate due to the accidental situation of the single first simulation building is avoided.

The utility model discloses a filtering and disinfecting tank, belongs to the field of sewage treatment, and solves the problem that the existing sewage treatment plant occupies a large area. The device comprises a filter tank, an ultraviolet disinfection tank and a chlorine supplementing tank which are sequentially communicated, the front end of the filter tank is communicated with a water inlet channel, the water inlet channel is connected with a water inlet pipe, the filter tank is communicated with the ultraviolet disinfection tank through a middle channel, and the rear end of the chlorine supplementing tank is connected with a water outlet pipe. According to the utility model, the channel is reasonably designed, and the filter tank and the ultraviolet disinfection tank are designed into a whole, so that the occupied area is effectively reduced, and land resources are favorably saved. And through combined design and construction, repeated construction and maintenance work among facilities are reduced, the operation efficiency and the management effect are improved, and the investment and operation and maintenance cost are reduced. Original pipeline connection is improved into channel connection, less underground space is occupied, and later expansion and transformation and other engineering implementation are facilitated.

The invention discloses a mining area integrated energy system optimization scheduling method coupling gravity energy storage and CCUS-P2G. The method comprises the following steps: constructing a mining area integrated energy system architecture containing gravity energy storage and CCUS-P2G coupling; a vertical shaft type gravity energy storage device model is established, and mutual conversion between electric energy and gravitational potential energy is achieved through vertical displacement of a weight; establishing a CCUS-P2G coupling model, and synthesizing methane from carbon dioxide captured by a CCUS device and hydrogen generated by an electrolytic bath in the two-stage P2G in a methane reactor; a mixing gas turbine model is established, methane generated according to the CCUS-P2G coupling model is mixed with gas in coal bed gas in the mining area, and gas meeting the combustion concentration requirement of a gas turbine is obtained; a system optimization scheduling model considering a stepped carbon transaction mechanism is constructed, and solving is carried out on the premise that system power balance constraints are met by taking the minimum total cost of the system as an objective function. The defects that in the prior art, the utilization rate of mining area associated energy is low, waste mine resources are wasted, and a single energy system cannot give consideration to low carbon and economical efficiency at the same time are overcome to a certain extent.

The invention relates to the technical field of mine water treatment, and discloses a mine water advanced treatment system and a mine water treatment method thereof.The mine water advanced treatment system comprises a pretreatment module, a primary treatment module, a secondary treatment module, an advanced treatment module and a disinfection and reuse module; the pretreatment module is used for removing large-size impurities and balancing water quality and water quantity; the primary treatment module is used for enabling suspended matters and part of organic matters in mine water to form flocs and removing the flocs in a precipitation manner; the secondary treatment module is used for removing macromolecular organic matters, colloidal substances, bacteria and viruses; and the deep treatment module is used for efficiently removing soluble salts, small molecular organic matters and various ions. According to the advanced treatment system for the mine water, the process of combining pretreatment, primary enhanced treatment and secondary advanced treatment is adopted, suspended solids, organic matters and heavy metal ion pollutants in the mine water can be effectively removed, the treatment effect is stable, and the quality of effluent reaches the reuse or discharge standard.

The invention discloses a two-effect energy-saving ammonia distillation system for kitchen waste anaerobic liquid. The two-effect energy-saving ammonia distillation system comprises a first-effect heat exchanger, a first-effect ammonia distillation tower, a first-effect separation tank, a second-effect heater, a second-effect ammonia distillation tower, a second-effect heat exchanger, a second-effect separation tank, an ammonia recovery device, a cooler, an absorption ejector and a second-effect condenser, the first-effect heat exchanger is connected with the first-effect ammonia still and is used for heat exchange and feeding; a top outlet of the first-effect ammonia still is connected with the second-effect heater, the second-effect heater is connected with the first-effect separating tank, the first-effect separating tank is connected with the first-effect ammonia still, the second-effect heat exchanger is connected with the second-effect ammonia still, and outlets of the second-effect heater and the second-effect ammonia still converge and are jointly connected with the second-effect condenser. The second-effect condenser is connected with a second-effect separation tank, and the first-effect separation tank and the second-effect separation tank are connected with an absorption ejector at the same time. The problems that an existing ammonia still cannot effectively improve the production efficiency and cannot effectively guarantee reduction of energy consumption are solved.

The invention discloses a three-dimensional amphibious circulating breeding device for amphibians, which comprises a frame, a circulating hanging chain system, a breeding platform unit, a long groove type water tank, a heat preservation maintenance unit, a constant temperature unit, a water treatment system and an electric control system, and is characterized in that the circulating hanging chain system is mounted on the frame, and the breeding platform unit is hung on the circulating hanging chain system; the long groove type pool is installed at the bottom of the frame, the maintenance heat preservation unit is installed on the periphery of the frame, the constant temperature unit comprises a traditional energy heater or a heat pump heating and refrigerating system and a heat exchanger, and the traditional energy heater or the heat pump heating and refrigerating system is installed in the frame. The time of amphibious life can be accurately controlled according to different habits of animal varieties and growth stages, the requirement for the reasonable water dwelling time of multilayer three-dimensional stocking bullfrogs is well met, the water consumption is reduced, and the water treatment cost is reduced.

The present invention provides a method and device for optimizing the shape of a right-angle turn type slope of a spoil dump, which relates to the technical field of optimization of the shape of the spoil dump slope, including: setting a conical slope at the turn, and constructing a slope model to be optimized with the angle between the connecting surface of the conical slope and the straight slopes on both sides as the optimization variable; constructing a total active earth pressure calculation model on the connecting surface in combination with a preset earth pressure theory; determining a first component force calculation model of the first total active earth pressure in the direction of the free surface of the first slope and a second component force calculation model of the second total active earth pressure in the direction of the free surface of the conical slope; with the goal of maximizing the slope safety factor, determining the target angle between the connecting surfaces based on the first component force calculation model and the second component force calculation model, that is, obtaining the optimal value of the angle between the connecting surface of the conical slope and the straight slopes on both sides. Therefore, the shape optimization of the right-angle turn type slope by the method of the present invention can effectively improve the overall stability of the spoil dump slope.

The invention provides a two-section type rubber membrane sealing gas cabinet. The two-section type rubber membrane sealing gas cabinet comprises a cabinet body and cabinet side plates vertically arranged along the periphery of a cabinet bottom plate. The T-gear rack mechanism is characterized in that a T-gear rack is annularly arranged on the inner side of the cabinet side plate, and a T-gear rack is annularly arranged in the circumferential direction of the T-gear rack and movably connected with the top of the T-gear rack in the vertical direction; the piston mechanism is movably arranged on the inner side of the T-shaped blocking frame mechanism in a penetrating mode in the vertical direction, and the piston mechanism can move to abut against the top of the T-shaped blocking frame and drive the T-shaped blocking frame to move upwards to the top of the cabinet body. A first sealing structure of the sealing mechanism is telescopically connected between the outer side of the piston mechanism and the inner side of the bottom of the T-shaped blocking frame, and a second sealing structure of the sealing mechanism is telescopically connected between the outer side of the bottom of the T-shaped blocking frame and the inner side of the middle of the cabinet side plate; the piston mechanism, the T-shaped blocking frame mechanism and the sealing mechanism define the upper gas cavity, the lower gas cavity is used for storing gas with the planned yield and gas with the overproduction capacity, and the problem that the volume of a single gas holder cannot meet the requirement for gas recovery is solved.

The invention discloses a compact double-loop wine cup type terminal tower with horizontally arranged wires and a wire hanging method, and the terminal tower comprises a bottom tower body, the top and the bottom of which are connected with an upper tower body and tower legs; the lower return edge cross arm is mounted between the upper tower body and the bottom tower body, and the lower return edge cross arm is axially perpendicular to the upper tower body and the bottom tower body; the crank arm is mounted at the top of the upper tower body, an upper-return middle cross arm is mounted at the top of the crank arm, and a middle ground wire cross arm is mounted at the top of the upper-return middle cross arm; and the upper return side cross arms are installed at the two opposite ends of the upper return middle cross arm, and side ground wire cross arms are obliquely arranged at the tops of the upper return side cross arms. Compared with a traditional double-loop drum-shaped tower, the double-loop goblet-shaped terminal tower can effectively solve the problems of horizontal arrangement of double-loop wires and four ground wires on the front side and the rear side of a line, and has the advantages that land resources are saved, construction is convenient, and the environment is protected; the device can be applied to corridor limitation, double-loop wires in horizontal arrangement, and four ground wires at the front and rear sides of a line.

The present application belongs to the technical field of plant induced regeneration, and particularly relates to a high-efficiency artificial propagation method of Dendrobium candidum, comprising the following steps: taking two-year-old stem segments with nodes as materials, cutting the stem segments into appropriate sizes, and disinfecting the stem segments; and culturing the stem segments in a culture medium A for 90 days, and then completing the proliferation and rooting integration through a direct organogenesis route. The present application realizes the cyclic production of Dendrobium candidum, and the whole culture process can be completed only by using one culture medium, greatly improving the artificial in-vitro propagation efficiency, and the proliferation coefficient is completely comparable to the seed asymbiotic germination method, and the problems of large offspring trait separation and different qualities caused by the seed asymbiotic germination are solved, and the quality and yield of seedlings are greatly improved. The present application can provide a brand-new technical support for the factory-scale growth of Dendrobium candidum, so as to achieve the purpose of cultivating seedlings with genetic stability and excellent quality to improve the artificial planting efficiency, and the cost is low, the cycle is short, and the quality and survival rate of seedlings are high.

This utility model relates to the field of design optimization technology for noise reduction frame foundations and circulating water pipe foundations in thermal power plants. It aims to solve the problem in existing technologies where, in thermal power plants, mechanical ventilation cooling towers, heavy-duty roads, and the main plant building are arranged adjacent to each other, and the space for circulating water pipes is limited due to land constraints. Furthermore, when these pipes are placed within the load-bearing area of ​​heavy-duty roads, the heavy vehicle loads can cause the circulating water pipes to buckle and deform, affecting their normal operation. The utility model provides a compact, combined arrangement structure for noise reduction frames and circulating water pipe foundations in thermal power plants. This structure includes a noise reduction frame arranged outside the mechanical ventilation cooling tower, a circulating water pipe arranged below the noise reduction frame, and a circulating water pipe foundation arranged below the circulating water pipe. A support frame is provided above the circulating water pipe foundation, and the circulating water pipe is arranged within the support frame and supported on the foundation. The noise reduction frame is located above the support frame and supported on it.

The invention relates to the technical field of waste asphalt regeneration, and discloses an environment-friendly recycled asphalt mixture and a preparation method thereof.The recycled asphalt mixture is prepared from, by weight, 30-50 parts of recycled aggregate, 40-60 parts of new aggregate, 3-7 parts of regenerant, 3-6 parts of matrix asphalt and 1-5 parts of waste oil, and the regenerant is prepared from 65-85% of oil component and 1-5% of stabilizer component; 2-6% of a plasticizer component and 15-35% of waste plastic powder. According to the environment-friendly recycled asphalt mixture and the preparation method thereof, a hot mix plant recycling technology is applied, and the waste asphalt mixture is circularly applied, so that the problem of environmental pollution of the waste asphalt mixture is solved, stone resources and land resources are saved, meanwhile, investment is saved, the construction cost is reduced, energy conservation and emission reduction are facilitated, and the environment-friendly recycled asphalt mixture is suitable for industrial production. And the method has obvious social benefits.

The invention discloses a maintenance system for a precast beam yard. The maintenance system comprises a sedimentation reservoir group, a plurality of pedestals, a water supply pipeline, a steam supply pipeline, a maintenance shed and a centralized control system, the precipitation reservoir group is connected with an external water supply system and overground drainage of the maintenance area and stores the drainage after precipitating and filtering the drainage, and the beam storage area is arranged on the ground above the precipitation reservoir group. Two ends of the water supply pipeline are respectively connected with the sedimentation reservoir group and the pedestals, and two ends of the steam supply pipeline are respectively connected with the water supply pipeline and the pedestals. The centralized control system is used for controlling the water supply pipeline or the steam supply pipeline to be opened according to requirements so that the corresponding maintenance water or the high-temperature steam can enter the corresponding pedestals, and the pedestals are used for evenly spraying the entering maintenance water or the high-temperature steam outwards to the precast beams supported on the pedestals. And the curing shed is used for covering the corresponding pedestal when high-temperature steam is sprayed. According to the system, high-temperature steam and curing shed curing can be adopted in winter, spraying curing is adopted in other seasons, and the curing effect in the whole period of beam manufacturing is ensured.

The application discloses a vertical layered underground cemetery system, and relates to the technical field of funeral facilities, which comprises two parts of an overground landscape area and an underground space group. The underground space group is constructed based on an independent hill, and the structure comprises an entrance structure, a hub structure and an auxiliary exit. The entrance structure comprises a main entrance door and the auxiliary exit arranged at the bottom of the independent hill. The auxiliary exit is connected with the inside through a material conveying flat roadway. The hub structure is connected and reached through a pedestrian flat roadway extending inward from the main entrance door. The hub structure comprises a central court. Through a large-scale and centralized construction and operation mode, the cost of single-hole burial is significantly reduced, and the public is provided with affordable burial options.

The present invention provides a water supply pipeline energy dissipation and flow measurement system, which relates to the technical field of energy dissipation and flow measurement. The water supply pipeline energy dissipation and flow measurement system comprises an operation box, a water inlet pipe, an energy dissipation component and a flow measurement component; the water inlet pipe is installed in the operation box; the energy dissipation component is connected to the end of the water inlet pipe, the energy dissipation component is located inside the operation box, and is communicated with the inside of the operation box; the flow measurement component comprises a flow stabilizing structure arranged in the operation box and a thin-walled weir arranged inside the operation box; the flow stabilizing structure is located between the energy dissipation component and the thin-walled weir, and is used to slow down water level fluctuations; a water level monitor and a flow meter are provided on the operation box, the water level monitor is electrically connected to the flow meter, the water level monitor is used to monitor the water depth at a distance L upstream of the thin-walled weir, and the water depth information is sent to the flow meter, the flow meter receives the water depth information and calculates the flow rate passing through the thin-walled weir. The technical problem that the energy dissipation and flow measurement in the prior art are independently set and cannot be realized in one device is alleviated.

The present invention relates to the technical field of wind power generation devices, and provides a wind-solar power generation device, including a resistance + lift type wind wheel structure, including a vertical axis transmission structure with a magnetic bearing; wherein the vertical axis transmission structure is arranged at the center of the wind wheel structure, and the wind wheel structure includes: a wind wheel assembly, the wind wheel assembly is arranged on the vertical axis transmission structure and connected to the vertical axis transmission structure to drive the vertical axis transmission structure to rotate. The wind wheel assembly is arranged on the vertical axis transmission structure, and the wind wheel assembly drives the vertical axis transmission structure to rotate under the action of wind force to achieve wind power generation. Furthermore, the photovoltaic assembly is directly arranged on the wind wheel assembly, so that the wind wheel assembly is connected to the photovoltaic assembly, thereby achieving a more concise and reasonable wind power generation device, and the overall structure is simple, and the power generation efficiency of the photovoltaic assembly is improved and the service life of the photovoltaic assembly is extended, saving land resources and reducing the overall cost.

The utility model relates to a plant simulating natural temperature and humidity curve change, which comprises a plant main body and a circulating air loop, the circulating air loop comprises an air inlet frequency conversion fan, an air exhaust frequency conversion fan, a temperature and humidity sensor, an air sensor, a Venturi tube, an air inlet tube, a controller, a first connecting tube group and a second connecting tube group; as the air outlets of the air inlet frequency conversion fan and the air exhaust frequency conversion fan are respectively connected with the temperature and humidity sensor and the air sensor, the rotating speeds of the air inlet frequency conversion fan and the air exhaust frequency conversion fan are controlled by calculating detected data, and the energy consumption can be further reduced; besides, external air under the action of atmospheric pressure can enter the first connecting pipe group through the air inlet pipe and the Venturi effect pipe, is mixed with air in the circulating air loop and then enters a room, and a pipeline part in the circulating air loop is buried in the soil, so that the specific heat capacity of the soil is larger than that of the air; the indoor temperature can be effectively adjusted while indoor air circulation is achieved and the air state is adjusted.

The invention discloses a cubilose fruit grafting seedling raising method, and belongs to the technical field of fruit tree cultivation. The method comprises six aspects of stock planting field establishment, stock seedling raising, stock water and fertilizer management, grafting, grafted seedling water and fertilizer management and grafted seedling field management. A special cutter tool for cubilose fruit grafting is adopted, an L-shaped section can be formed, the section is smooth and good in integrating degree, and the grafting survival rate and the grafting efficiency can be improved. According to the invention, the seedling raising grids are used for stock seedling raising, so that the seedling raising cost can be saved, and the space utilization rate can be improved. According to the method, the thorn-free huanglong and the argentodoxa cuneata are adopted as the stocks, the root systems are developed, the morbidity of root-knot nematodes can be reduced, the grafting survival rate and the growth vigor are improved, and meanwhile the canker resistance of plants is improved; the quality of the rootstock is guaranteed, the grafting growth vigor is improved, bud germination is promoted, and fruit bearing is carried out in advance by optimizing the length, the period and the number of bud points of the rootstock.

The utility model relates to the technical field of tomb products, in particular to a hidden type gallery burial structure with a sliding door structure, which comprises a gallery burial wall, at least one hole burial space is formed in the gallery burial wall, the hole burial space is distributed in a multi-layer and multi-format mode, and the hole burial space is used for placing tomb boxes; the sliding door comprises a door leaf, a sliding rail, a tackle and a corner, the top of the door leaf is installed on the sliding rail through the tackle, the bottom of the door leaf is installed on the sliding rail through the corner, the sliding rail is embedded into the gallery burial wall, and the door leaf is pushed to be opened along the sliding rail to expose the cave hiding space or closed to shield the cave hiding space. According to the utility model, the cave burying spaces are distributed on the gallery burying wall in a multi-layer and multi-format manner, so that land resources can be saved, and meanwhile, the cave burying spaces are shielded when the sliding doors are closed, so that the gallery is a hidden landscape gallery for passersby; and when the family members of the departed saint worship, the sliding door can be opened to expose the cave hiding space for sacrifice, so that a more hidden and private gallery burial product is provided for people.