80results about How to "Save land" patented technology

The invention discloses a buried redundant optical cable box, and the box comprises a box body which is buried under the ground surface, and is internally provided with an optical cable placement cavity; the box cover is rotationally arranged on the box body and used for blocking the top of the box body and separating the optical cable placement cavity from the external environment; and a cable storage unit. According to the invention, the box body is installed in a pre-excavated hole in an outdoor site, the residual cable rack and the connector box are lifted from the box body to the ground surface and then are locked through the locking assembly, so that installation and maintenance personnel can maintain the residual cable above the ground surface, and after the maintenance is completed, the locking of the locking assembly is unlocked. By closing the box cover, the optical cable placing cavity is separated from the external environment, so that the movement above the ground surface does not affect the residual optical cable box buried under the ground surface, thereby effectively saving the land and reducing the occupation of the residual optical cable box on the surrounding space area while the maintenance convenience of the optical cable is not affected.

The invention discloses a poria cocos factory soilless culture method which comprises the following steps: uniformly mixing a poria cocos sclerotium culture medium main material and a culture medium auxiliary material in proportion, humidifying, and adjusting the pH value to 5.5-6.5; putting the mixture into a container, treating and sterilizing by adopting a chemical agent under a normal temperature condition, and then inoculating a poria cocos solid strain; the method comprises the following steps: putting the tuckahoe into a culture vessel, culturing at 22-25 DEG C, taking out when sclerotia is expanded, steaming the harvested tuckahoe, removing brown skin on the surface, slicing or dicing, and drying to obtain a finished product. The method is novel, reasonable in design, simple in procedure, convenient to implement, capable of saving wood, land, labor and energy, low in cost and high in economic benefit; due to the fact that cultivation is carried out under the soilless condition, sites and farming hours can be selected at will, damage caused by diseases, insects, grass and rats is effectively reduced, and therefore the high-quality, green and pollution-free poria cocos products are obtained.

The utility model provides an ecological water purification system for resource utilization of village domestic sewage and belongs to the technical field of sewage treatment. Comprising a black water digestion tank, an adjusting slag separation tank and a biological-ecological combined water purification device which are connected in sequence. The ecological purification system disclosed by the utility model is low in operation technical requirement, simple and convenient to construct and suitable for village domestic sewage treatment.

The invention provides a sewage treatment process with multiple operation modes and a sewage treatment system, and belongs to the technical field of sewage treatment. Comprising a first reaction zone, a second reaction zone and a third reaction zone which are used for sewage denitrification and / or dephosphorization and are carried out in sequence, and nitrification liquid treated in the third reaction zone flows back to the first reaction zone; switching among a dephosphorization priority mode, a dephosphorization and denitrification balance mode or a denitrification priority mode is carried out by controlling a nitrification liquid reflux ratio to adjust ORP (oxidation reduction potential) and / or DO (dissolved oxygen) of the first reaction zone. According to the sewage treatment process with the multiple operation modes, different operation modes can be flexibly adjusted and switched in the same sewage treatment system according to different incoming water qualities, extremely high biological denitrification and / or biological phosphorus removal efficiency can be obtained by controlling the reflux ratio of nitrification liquid to adjust ORP and / or DO, and the investment and treatment cost can also be greatly reduced.

The utility model provides a stack-assembled immersed heat-preservation energy-storage battery system which comprises a base, and a coaming assembly is arranged at the top of the base; the side plate is formed by stacking the tenon-and-mortise structures formed by the tenons, the mortises and the mortises on the plate bodies in a building block mode, so that the height of the side plate can be increased according to requirements, the occupied area is reduced, and the land is saved; all structures formed by pouring reinforced concrete composite materials are stacked in a building block mode to form the frame, the cost is lower than that of a metal plate container, the manufacturing cost can be reduced by one third, and the frame meets the 7-level earthquake resisting standard; meanwhile, compared with a metal plate container frame, the frame is better in heat preservation, fire prevention and explosion prevention effects.

The invention discloses a method for breeding a new red-pulp seedless grape variety based on molecular markers, and belongs to the field of biological breeding. The molecular marker obviously related to red pulp and seedless characters of grapes is excavated through a whole genome analysis method, the molecular marker has broad spectrum, and red pulp and seedless character phenotypes of grapes can be accurately identified in the early stage of hybrid seedlings by amplifying electrophoretic band types of gene segments of the molecular marker, so that the method is simple and convenient to operate. Compared with traditional breeding and cultivation breeding, the method saves at least five years of breeding period, obviously shortens breeding period, saves a large amount of land and management investment, improves breeding efficiency, and provides support for efficient molecular assisted breeding of new red-pulp seedless grape varieties.

The present invention relates to the technical field of generator set equipment, and discloses a clustered arrangement structure of circulating water supply system buildings, including a cooling water circulation building group, the cooling water circulation building group includes a cooling tower, a water collection tank, a return ditch, a water absorption well and a circulating water pump room, a plurality of cooling towers are provided, and a plurality of cooling towers are connected in a straight line to form a cooling tower row, the cooling tower row is arranged on the water collection tank, and air inlets are provided on both sides of the cooling tower that are relatively distributed along the width direction of the cooling tower row, the water collection tank, the return ditch and the water absorption well are connected in sequence and the water flow direction remains unchanged, the circulating water pump room is located on one side of the length direction of the cooling tower row, the return ditch and the water absorption well are arranged in sequence between the cooling tower row and the circulating water pump room, a circulating water pump is provided in the circulating water pump room, and the water absorption port of the circulating water pump is connected to the water absorption well. The present invention has a reasonable layout, effectively reduces the occupied area without affecting the air intake cooling effect of the cooling tower, saves engineering investment, and maintains the stability of the water flow state in the system.

A double-layer roller kiln for firing and drying glazed foamed ceramic plates is structurally characterized in that a firing kiln is arranged on the upper layer, a drying kiln is arranged on the lower layer, and the drying kiln on the lower layer conducts slow drying through waste heat and smoke of the firing kiln on the upper layer. The basic structure of the firing kiln comprises a smoke exhaust area accounting for 5%-7% of the total length of the kiln, a transition area accounting for 1%-3% of the total length of the kiln, a medium-temperature bottom gun area accounting for 8%-12% of the total length of the kiln, a high-temperature I area accounting for 8%-12% of the total length of the kiln, a high-temperature II area accounting for 8%-12% of the total length of the kiln, a high-temperature transition area accounting for 1%-3% of the total length of the kiln, a quenching area accounting for 1%-3% of the total The length, the outer width and the structural modulus of the drying kiln are consistent with those of the firing kiln, the firing kiln combustion-supporting air pipe is preheated by the drying kiln, and firing kiln flue gas and waste heat are heat sources of the drying kiln.

The invention discloses a solid waste resourceful treatment method in the technical field. The solid waste resourceful treatment method comprises the steps that converged and concentrated solid waste is classified; the building garbage obtained after classification is subjected to crushing treatment; detecting the fineness, the pH value and the conductivity of the crushed garbage; when the fineness of the garbage does not reach the soil use standard, fine grinding and adding adjustment are conducted on the garbage; when the pH value and the conductivity of the garbage do not reach the soil use standard, carrying out water washing adjustment on the garbage; when the conductivity of the garbage reaches the soil use standard and the pH value does not reach the soil use standard, adjusting the pH value of the garbage; and when the fineness, the pH value and the conductivity of the garbage all reach the standard of the used soil, adding organic substances into the garbage, and using the garbage as the used soil. According to the method, through the processing processes of summarizing and classifying, coarse crushing treatment and adjustment, washing adjustment, pH value adjustment, organic biological treatment and the like, the index value of the solid waste is adjusted to be similar to the standard of used soil, and environmental pollution is greatly reduced.

The present disclosure provides a kind of based on self-consistent distribution unit area flexible interconnection planning method and planning device, including obtaining uncontrollable data of area, based on the uncontrollable data of area, calculate uncontrollable net load of area, the uncontrollable data includes the uncontrollable distributed power generation of area and the rigid load power of area;Based on the uncontrollable net load of area, calculate the complementary matching degree of area in distribution network;The self-consistent distribution unit of the two areas under the highest complementary matching degree of area is selected to plan, the objective function and constraint condition of self-consistent distribution unit are constructed;The objective function is solved, and the planning result is output.The present disclosure can guarantee the safe and economic operation of distribution network, and as far as possible to absorb new energy generation by the above method.

A hidden type flower bed grave comprises a green plant area, and grass, trees and flowers are planted in the green plant area; the stone boxes are sequentially and tightly attached end to end to surround the green plant area to form an enclosure area, and the interior of each stone box is independently divided into a plurality of containing parts; a cover plate is arranged at the top of the stone box, and the cover plate is integrally formed and covers all the divided containing parts in the whole stone box; the side edge of the stone box is provided with a protruding part used for installation, and the bottom face of the cover plate is provided with a concave part matched with the protruding part. The occupied space of the stone of the flower bed is fully utilized, stone resources are saved, the space of the grave stone box is increased, the grave stone box is attractive and simple, the stone of the flower bed has the effects of the grave body, the stone box, the cover plate and the flower bed, and the stone resources are fully utilized.

The utility model discloses an automatic three-gear gearbox and a turn-milling composite numerical control machine tool, which belong to the technical field of turn-milling composite numerical control, and comprise a shell, an input shaft and an output shaft are arranged in the shell, two sides of the input shaft are respectively provided with a transmission shaft and an induction shaft, and the input shaft is provided with an input shaft gear and a sixth gear. The input shaft gear is connected with the transmission shaft through a first gear, the first gear is arranged on the transmission shaft, a fourth gear and a fifth gear are movably arranged on the output shaft, the fourth gear can be connected with a sixth gear, a second gear and a third gear are arranged on the transmission shaft, and the second gear can be connected with the fourth gear. The third gear can be connected with the fifth gear, the transmission shaft and the induction shaft are arranged in the shell, a movable gear shifting fork is installed on the induction shaft, and one end of the gear shifting fork is arranged between the fourth gear and the fifth gear. And the production land and labor are greatly reduced.

The utility model relates to the technical field of pipelines, in particular to an ultrapure water system pipeline structure which comprises a main pipeline, a horse mouth connecting hole is formed in the side wall of the main pipeline, a welding saddle is installed at the position of a port of the horse mouth connecting hole, and a valve is arranged at one end of the welding saddle. According to the utility model, the horse mouth connecting hole is formed in the outer wall of the main pipeline to replace a tee joint, the saddle processing piece is processed according to different pipeline specifications, the radian of the processing piece for welding the saddle is consistent with the radian of the outer wall of the corresponding different main pipeline, and the processing piece and the pipeline wall are simultaneously heated by using the arc-shaped infrared heating ironing plate; then a clamp is adopted for clamping a machined part welding saddle and a main pipeline, it is guaranteed that the machined part welding saddle and the main pipeline are tightly attached, after the machined part welding saddle and the main pipeline are completely cooled, a proper tapper is used for tapping, a vacuum dust collector is started at the same time, it is guaranteed that chippings are sucked away in time, a chamfering device is used for chamfering an arc at the joint of the welding saddle and the main pipeline after tapping is completed, and dead corners are avoided; and the practicability is better.

The present disclosure discloses an efficient AOA coupled anammox sewage treatment method and system based on BFM form, relating to the field of sewage treatment technology. The method includes: the sewage to be treated enters the anaerobic zone and then enters the carbon migration zone; the supernatant obtained in the carbon migration zone enters the aerobic pure film MBBR zone, the sludge obtained is discharged from the bottom of the carbon migration zone, and then transported to the selection zone through a pipeline connected to a sludge bypass pump. The effluent from the aerobic pure film MBBR zone enters the selection zone, anoxic IFAS zone, and secondary sedimentation zone in sequence. The method of the present disclosure achieves the operation status of pure film MBBR in the aerobic zone by setting the carbon migration zone, avoiding the problem of carbon loss of activated sludge in the aerobic zone. In addition, adding suspended carriers to collect anammox bacteria in the anoxic IFAS zone can reduce the dependence of denitrification on the carbon source of the raw water, and achieve high standard discharge of effluent nitrogen. The system HRT is reduced by more than 40% compared to the traditional activated sludge method, and the minimum HRT is less than 10 hours.

The present invention relates to a tailwater artificial wetland treatment system and method for enhanced denitrification and phosphorus removal, which comprises a pre-pond, a micron aerated vertical submerged flow wetland, a vertical submerged flow wetland, a horizontal submerged flow wetland and a stabilization pond arranged in sequence; an immersion bioreactor is arranged in the pre-pond, an integrated air / water distributor is arranged at the bottom of the micron aerated vertical submerged flow wetland, a calcareous centimeter stone and a slow-release carbon source composite functional filler are arranged in the vertical submerged flow wetland, and a slow-release carbon source composite functional filler and a sulfur iron functional filler are arranged in the horizontal direction in the horizontal submerged flow wetland. The system first performs preliminary purification, and then performs heteroaerobic denitrification and autoaerobic denitrification in deep purification, and simultaneously enhances phosphorus removal. It has the advantages of reasonable structural design, uniform water distribution and water collection, strong synchronous denitrification and phosphorus removal capabilities, and good winter operation effects, and significantly improves the denitrification and phosphorus removal capabilities and self-repair capabilities of the tailwater artificial wetland system, and has the advantages of ecological naturalness, high efficiency and stability, simple maintenance, and economical and practical.

The utility model is applicable to the technical field of swings, in particular to a double-person high-altitude swing, which comprises a main upright post, a round tube upright post and a double-person seat, the side surface of the main upright post is fixedly connected with a horizontally arranged cantilever beam, the cantilever beam is connected with the double-person seat through oppositely distributed iron chains, a motor is arranged in the round tube upright post, and the round tube upright post is connected with the double-person seat through a connecting rod. A recovery shaft is arranged at the output end of the motor, a pull rope is arranged on the recovery shaft, and the other end of the pull rope penetrates through the top of the circular tube stand column and is connected with the double seat; according to the utility model, the project is not limited by terrains, has no height difference, can be constructed on the flat ground, and can support other bearing columns, such as a stand column in a crystal steel structure, so that the safety problems of structural stress shaking and the like caused by high-altitude movement to a single stand column are effectively solved; and in addition, by combining with other amusement projects, more playable and high-amusement projects are formed, the project land is effectively saved, the utilization rate is maximized, safety and reliability are achieved, money and labor are saved, and the playability is high.

The present invention proposes an automatic diameter-changing platform for inserting and tying wires of large motor stators, comprising an operating platform device, a lifting and diameter-changing device, a diameter-changing support device and an AGV conveying device. The diameter-changing support device comprises a stator support, a slide rail system and a control system. The lifting and diameter-changing device is arranged around the diameter-changing support device. The lifting and diameter-changing device comprises a lifting / diameter-changing pedal system, a pedal steel plate, a guardrail and a partition door. The operating platform device comprises an operating platform, a pedal steel plate accordion cover and a support steel plate accordion cover. The AGV conveying device is arranged around the lifting and diameter-changing device and is located between two adjacent operating platform devices. The AGV conveying device comprises an AGV trolley and a small conveyor line platform. The present application has good versatility and can reduce repeated purchases of similar tooling. The function of completing the wire inserting and tying wires on one platform is achieved through the automatic lifting / diameter-changing of the pedal steel plate, the automatic diameter-changing of the stator support and the automatic feeding of the AGV trolley.

The utility model discloses a land-saving type ball game facility, including blocking and folding part, guide cable part, ball lever, ball body. The blocking and folding part includes one or more than one blocking cable, the guide cable part includes a guide cable, the guide cable is on the blocking cable, or part is below or side of the one or more than one blocking cable, the ball lever includes straight pole, fork pole, hook pole, any one or combination of bent pole, the ball body is tubular body and is worn on the guide cable, and the ball body sliding or flying all do not separate from the guide cable. Through the flight path of tubular ball body that is penetrated and is restricted by the guide cable in the air, can make the ball body not influence ground attachment, also can restrict the activity space and path of personnel in the process of playing ball, thereby breaking the problem that the ball court must use larger area land. This makes the ball court can not occupy the construction land index, realizes the purpose of developing sports.

The application discloses a transcritical CO2 air source heat pump system and a control method thereof. The transcritical CO2 air source heat pump system comprises a carbon dioxide compressor, a gas cooler, an electronic expansion valve, an outdoor fan, a cold storage device, a heat storage water tank, a high-temperature heat accumulator, a low-temperature heat accumulator and a floor buried pipe heat exchanger. The gas cooler comprises a first working medium pipeline and a first heat exchange pipeline for realizing heat exchange. The cold storage device comprises a second working medium pipeline and a second heat exchange pipeline for realizing heat exchange. The heat storage water tank comprises a hot end heat exchange pipeline and a cold end heat exchange pipeline for realizing heat exchange. The transcritical CO2 air source heat pump system can be controlled to be in various working conditions, such as single hot water production, refrigeration and hot water production, single heating, heating and hot water production and the like, by controlling the opening and closing of each component and valve, and is integrated and multipurpose to adapt to different requirements.

The utility model discloses a modularized ventilation mineralization conveying device, and belongs to the field of solid waste slurry conveying equipment. Comprising a module shell, a mineralization pipeline, a power device and a sliding gas adjusting device, the mineralization pipeline, the power device and the sliding gas adjusting device are arranged in the module shell; a feeding interface and a discharging interface are respectively formed in two ends of the mineralization pipeline; the power device penetrates through the mineralization pipeline and is connected with the spiral propelling blade; the power device is connected with the sliding gas adjusting device; the mineralization pipeline comprises a first pipeline, a connecting sleeve and a second pipeline which are sequentially connected, the outlet end of the first pipeline and the inlet end of the second pipeline are sleeved with the two ends of the connecting sleeve, and the connecting sleeve can rotate; the spiral propelling blades comprise a first spiral propelling blade in the first pipeline and a second spiral propelling blade in the second pipeline; the sliding gas adjusting device is arranged on the first pipeline and between the first spiral propelling blade and the connecting sleeve. According to the utility model, pipeline blockage caused by lack of gas parameters can be avoided.

A method for ecologically filling a road embankment with high-strength steel wire mesh reinforced materials is to use a high-strength steel wire mesh with a folded angle and an inverted cover surface to lay it at the roadbed filling position; from the bottom layer of the paving, the high-strength steel wire mesh is laid horizontally in sections, and the edges of each section of the high-strength steel wire mesh are twisted and connected; a plant ecological mat is laid along the folded angle of the high-strength steel wire mesh and backfilled with planting soil; soil is filled on the high-strength steel wire mesh, and the layered filling is carried out according to the compaction thickness not exceeding 30 cm; after the filling thickness reaches the designed reinforcement mesh spacing, the inverted cover surface is folded and fixed to the filling compaction surface, and plant strips with roots are inserted; the above operation is repeated to continue filling until it approaches the top of the roadbed; a crushed stone drainage layer is set on the lower high-strength steel wire mesh, and a geotechnical material drainage mat is set, and the geotechnical material drainage mat is connected to the crushed stone drainage layer; finally, grass seeds are planted on the outer slope of the plant ecological mat. This filling method can be used for steeper roadbed fill slopes, and has the characteristics of stable filled roadbed structure and good landscaping effect of roadbed slopes.

The utility model discloses a gasholder-free biogas pressure increasing and stabilizing system which comprises an anaerobic jar, the output end of the anaerobic jar is connected with a cyclone steam-water separator through a pipeline I, the output end of the cyclone steam-water separator is connected with a biogas safety water seal through a pipeline II, the output end of the biogas safety water seal is connected with a buffer tank through a pipeline III, and the buffer tank is connected with a gas storage tank through a pipeline III. A first pressure transmitter is fixedly connected to the third pipeline, the output end of the buffer tank is connected with a filter through a fourth pipeline, the output end of the filter is connected with a biogas booster fan through a fifth pipeline, and the output end of the biogas booster fan is connected with a surge tank through a sixth pipeline. The other end of the surge tank is fixedly connected with a pipeline VII, and the pipeline VII is fixedly connected with a second pressure transmitter and a biogas regulating valve respectively. The device can replace a biogas pressurization gas holder, saves equipment investment cost of project construction, is not provided with the biogas pressurization gas holder, is small in occupied area, and saves land.

An integrated sewage pump station combined with a pipe jacking caisson, comprising a sewage pipe jacking caisson and an integrated sewage pump station, the bottom of the sewage pipe jacking caisson is provided with a bottom sealing and a bottom plate; the inside of the sewage pipe jacking caisson is divided into a collecting pool and an operation room by an inner partition wall, the integrated sewage pump station is installed in the operation room, and the bottom plate of the integrated sewage pump station is integrally cast with the bottom plate of the caisson; a sewage inlet pipeline is communicated with the collecting pool, and a communicating pipeline is arranged between the bottom of the collecting pool and the bottom of the integrated sewage pump station. The utility model makes full use of the inside space of the pipe jacking caisson, and integrates the integrated pump station and the collecting pool in the caisson, so that the construction operation can be carried out under the adverse conditions of high underground water level, poor soil condition and limited construction operation space; and the utility model has the advantages of reducing the occupied area and saving land.

The invention relates to the technical field of heat dissipation structures, and discloses a string type energy storage battery cabin heat dissipation structure which comprises a battery cabin body, storage battery cavities and energy storage converter cavities are formed in the battery cabin body, the number of the storage battery cavities is the same as that of the energy storage converter cavities, and the storage battery cavities and the energy storage converter cavities are distributed up and down. The storage battery cavity and the energy storage converter cavity are formed, so that the battery cabin is divided into an upper layer and a lower layer, the upper layer is a battery cluster with the protection grade of IP54, the lower layer is an energy storage converter with the protection grade of IP10, the product function is achieved, land is saved, meanwhile, an air duct is designed in the energy storage converter cavity, and the energy storage efficiency is improved. The energy storage converter can realize circulating heat exchange with the outside to realize cooling of the energy storage converter, and the design of the dustproof structure can filter the air port of the shell to prevent external dust from entering the cavity of the energy storage converter from the shell, so that the damage of the external dust to the energy storage converter is reduced, and the service life of the energy storage converter is prolonged.

The invention belongs to the technical field of agricultural instruments, and particularly relates to a three-dimensional soilless culture system and method for wild celery. Wherein a plurality of layers of cultivation grooves are formed in the supporting frame, an illumination sensor and an artificial LED light source are arranged in the supporting frame 1, the nutrient solution pool is communicated with a water suction pump, the water suction pump is communicated with a PPR water inlet pipe, the PPR water inlet pipe is provided with an ultraviolet sterilizer and is communicated with the cultivation grooves through a water inlet PVC hose, and a water inlet electromagnetic valve is arranged on the water inlet PVC hose; the nutrient solution pool is communicated with the disc type filter, the disc type filter is communicated with the PPR drain pipe, and the PPR drain pipe is communicated with the cultivation tank; according to the method, the weak light environment under multilayer three-dimensional soilless culture is fully utilized, and the red and blue light supplementing devices arranged in the cultivation frame are combined, so that a suitable light environment is provided for the wild celery, the light requirements of the wild celery in all growth cycles are met, the growth of the wild celery is promoted, the quality of the wild celery is improved, and high-quality and high-efficiency production of the wild celery is facilitated.

The invention relates to a fruit tree breeding method, in particular to an efficient apple breeding method for improving flowering gene expression quantity and endogenous hormone content based on multi-trunk grafting, and belongs to the technical field of agriculture. According to the method, the dwarf rootstock capable of being subjected to multi-main-head grafting is cultivated, and hybrid seedling grafting and cultivation are carried out, so that the number of seedlings cultivated in unit land area is remarkably increased, the juvenile phase is effectively shortened, and the breeding efficiency is remarkably improved. By means of the method, a large amount of land can be saved, the breeding period can be effectively shortened, the juvenile phase of hybrid seedlings obtained through a conventional method is 7 years, the juvenile phase of hybrid seedlings obtained through the method is 4 years, and the total breeding period is shortened by 3 years. The rootstock used in the method is the same as the dwarfing rootstock used in production, so that different strains are the same as the rootstock and scion combination in actual production in the variety breeding stage, and the results and growth conditions which are the same as those in production can be shown; and the subsequent stock-scion combination evaluation work of the new variety is reduced.

The present invention provides a throat arrangement structure of a compact rail transit vehicle base, including an operation depot, a throat area of ​​the operation depot is provided with an exit line and an entry line, one end of the exit line and the entry line is connected to the operation depot at a multiple of a turnout angle, a first crossover is provided between the exit line and the entry line, a car wash line is provided outside the entry line, a car wash garage is provided on the car wash line, a first car wash pull-out line and a second car wash pull-out line are provided at both ends of the car wash line, the first car wash pull-out line is connected to the entry line through a first single crossover, the second car wash pull-out line is connected to the entry line through a second single crossover, an engineering vehicle pull-out line is provided outside the exit line, the end of the engineering vehicle pull-out line is connected to the engineering garage, and the engineering vehicle pull-out line is connected to the exit line through a second crossover. The invention connects the exit and entry lines to the operation depot at multiples of the turnout angle, increases the length of the exit and entry lines, reduces the cutting of the plot, and is conducive to the development of large areas.

The invention discloses a method for cultivating a good camellia chrysantha strain through bare-root transplanting and grafting of a camellia adult tree. The method comprises the following operation steps: (1) stock preparation and bagging; (2) grafting; (3) management after grafting; (4) field planting and management. According to the method, the stock stump is excavated in a completely bare-root mode, the treatment method of stump root systems, branches and the like is easy to operate, transportation is convenient, labor is little, cost is low, and centralized grafting management is facilitated; the adopted pulp root treatment can provide nutrition for the rootstock, can also play a role in sterilization and insect killing under specific humidity, and can inhibit the possibility that the excavated rootstock suffers from diseases and pests as much as possible; according to the method, stock transplanting and scion grafting are conducted at the same time, the cultivation time of large-specification camellia nitidissima plants can be effectively shortened, the cultivation cost is reduced, and early yield and high yield of grafted trees are achieved.

The invention relates to a compact energy-saving and water-saving recirculating aquaculture system, and belongs to the technical field of water treatment. The compact energy-saving circulating water culture system comprises a culture unit, the culture unit comprises a plurality of culture ponds, a plurality of vertical flow precipitators, a filter press, an MBBR pond, a denitrification tank, a plurality of microfilters, a plurality of foam skimming devices, a water temperature adjusting pond, a biochemical pond and an ultraviolet pond, and a multi-branch circulating water loop is formed in the system by reasonably designing the system structure. Pollutants in culture water can be effectively removed, the cyclic utilization rate of the culture water is increased, and a healthy and suitable growth environment is provided for cultured organisms in the culture pond.

The present invention discloses an electrolytic cell loading and unloading integrated system and electrolytic cell loading and unloading control method, including: an electrolytic cell; a plurality of cathode plates, which are respectively arranged in the electrolytic cell in a removable manner; a plurality of anode plates, which are respectively arranged in the electrolytic cell in a removable manner; a longitudinal vehicle, which is movably arranged above the electrolytic cell in the longitudinal direction; a transverse vehicle, which is movably arranged on the longitudinal vehicle in the transverse direction and has an operation port for extracting and placing the anode plates and the cathode plates; a storage device for storing the cathode plates and the anode plates, which is arranged on the transverse vehicle; a cathode processing device for processing the cathode plates and an anode processing device for processing the anode plates, which are respectively arranged on the transverse vehicle; and a loading and unloading robot, which is arranged on the transverse vehicle. The electrolytic cell loading and unloading integrated system according to the present invention has low investment cost, low logistics cost and high tank operation rate.