50results about How to "Promote rational distribution" patented technology

A high-density pressurized fluid bed coal gasification device and a method relate to a gasification device and a method which are especially suitable for the efficient treatment of the high-sulfur, high-ash and high ash fusion point coal with high reserve volume in China and have the advantages of broad coal type adaptability, high carbon transformation ratio in the gasification process, high heat value of coal gas, low investment and excellent environment-friendly performance. A gasification reactor (1) is arranged in a pressure shell (2) and is divided into a dense-phase turbulent flow fluidizing section (9), a high-density core-annulus flow section (10) and a density rapid flow section (11) from bottom to top, and according to the gasification character of the goal with high sulfur, high ash and high ash fusion point, flow states with different features are adopted for pressurizing and sectionalized gasification from bottom to top and the pressure for gasification is 1.0-2.5MPa.

The invention, which belongs to the technical field of path planning, discloses a real-time path planning method based on congestion control. The method comprises: planning initial routes for all vehicles in a road network and calculating alternative routes; establishing a road network road congestion model and carrying out updating continuously; generating a cluster head random seed and carryingout communication based on a cluster queue communication rule; subscribing vehicle dynamic data and real-time road traffic flow data via a vehicle-mounted self-organizing network; and predicting an upcoming congested road for a cluster head vehicle based on the congestion model, establishing a cluster queue and carrying out congestion message notification and prompting under the condition of congestion prediction, comparing residual travel time of a current path and an alternate path for the cluster head and the queue vehicle, and determining whether to update the route. Therefore, the trafficflow on the congested road can be divided effectively to realize reasonable distribution of the global traffic flow; and path planning of all vehicles in the road network can be performed simultaneously, thereby saving the computing load and improving the path planning efficiency.

The invention relates to a dense phase conveying bed coal preesurized gasification device and a gasification method. The gasification reactor includes pressure case, mixing section, lifting section, and conveying section. The mixing section adopts low flow speed, and has inlet for coal limestone, assistant gasification agent, and has grid plate, scum pipe, air chamber and main gasification agent inlet. The lifting section has assistant air or oxygen inlet and adopts high flow velocity mode. The convey section adopts middle velocity mode, and the outlet of convey section has two high efficiency cyclone separator. The material return mouth of material return section is inserting into gasification reactor.

The invention discloses an unmanned aerial vehicle emergency safety landing device for bridge detection, and relates to the technical field of unmanned aerial vehicles. The unmanned aerial vehicle emergency safety landing device for the bridge detection comprises an airframe body. A controller and a pressure sensor are arranged on the airframe. A power supply is arranged in the airframe. A connecting rod is arranged at the bottom of the airframe. A supporting seat is arranged in a first shell body. A motor is arranged on the supporting seat. A gear is arranged on an output end of the motor. Arack is arranged on one side of the gear. A first through hole is formed in the bottom end of the first shell body. A second through hole is formed in the top wall of a second shell body. A pressing plate is arranged at the bottom end of the rack. A connecting ring is arranged on the pressing plate. A groove is formed in the outer wall of the second shell body. A supporting bar is arranged in thegroove. A circular hole is formed in an adjusting rod. A notch is formed in the bottom of the second shell body. A supporting plate is arranged at the bottom end of the adjusting rod. A buffer part isarranged at the bottom of the supporting plate. The unmanned aerial vehicle emergency safety landing device for the bridge detection has the beneficial effect that the unmanned aerial vehicle emergency safety landing device can safely descend to a water surface, and the unmanned aerial vehicle can be effectively protected when the unmanned aerial vehicle detects the failure of a bridge.

The invention relates to a method for judging a position of a cohesive zone of a blast furnace and the position of the cohesive zone of the blast furnace. The method is used for judging the position of the cohesive zone of the large-scale blast furnace of which the volume is 4000 to 5000 m<3>; a flat cold plate structure is adopted by a furnace body of the blast furnace; the furnace body totally comprises 53 layers of flat cold plates; a furnace bosh of the blast furnace is in 14th to 20th layers; the method comprises the judging steps of (I) measuring a thermal load valve of each part, and measuring a thermal load valve of the upper part of the furnace body; (II) comparing a ratio of the thermal load values of all parts according to the thermal load values of all the parts, wherein the thermal load value of a furnace bosh area during normal production of the large-scale blast furnace is (450 to 550)*10MJ / h, the ratio of the thermal load value of the furnace bosh area occupies 4.5% to 5,5% of the thermal load of the whole blast furnace, and the thermal load ratio of each flat cold plate layer is lowest; (III) judging that the position of the cohesive zone is in the furnace bosh. According to the method for judging the position of the cohesive zone of the blast furnace, disclosed by the invention, the position of the cohesive zone of the blast furnace during normal production can be clearly found; the temperature of the cohesive zone is controlled to be 50 to 60 DEG C after the position of the cohesive zone is determined, and a furnace wall can be prevented from getting thick.

The invention discloses a tourism traffic passenger flow big data visualization method which comprises: S1: positioning positions of tourists using mobile terminals by adopting mobile terminal signaling data, and according to the positioned positions, marking longitude and latitude information of the position of each tourist on a first map layer so as to generate a tourist position map layer; S2:acquiring tourist attraction position information, and dividing and marking the acquired tourist attraction position information on a second map layer by adopting longitude and latitude so as to generate a tourist attraction map layer; S3: carrying out superposition on the tourist position map layer and the tourist attraction map layer, and outputting all position data information coinciding aftersuperposition so as to generate a new tourist position map layer; and S4: carrying out visual display of tourism traffic passenger flow on the new tourist position map layer by an external display terminal. According to the invention, the passenger flow can be visualized, decision support is provided for tourism traffic construction and management, tourists are guided to select the optimal traveling mode, and reasonable distribution of tourism traffic is promoted.

The invention discloses a three-dimensional one-cultivation-two-harvest high-yield brewing glutinous sorghum cultivation method, which includes sorghum variety choosing, soil preparation, fertilization, seedling growing, transplantation, disease and insect pest control, regenerated sorghum germination promotion, fertilization, disease and insect pest control and other steps. By choosing a glutinous sorghum variety suitable for producing Maotai-flavor liquor, adopting plastic hole plate seedling growing method to grow seedlings, transplanting sorghum seedlings according to double triangles, applying seedling promoter and jointing fertilizer early and adopting other methods, the yield of sorghum per mu is increased by more than 200 kilograms on average and the income per mu is increased by nearly RMB 1000 yuan, so the method can bring remarkable economic benefit in comparison with conventional sorghum cultivation methods.

The invention relates to the food field, and particularly relates to probiotic gel particles and a preparation method thereof. The method comprises thallus adsorption and gel wrapping, wherein the thallus adsorption comprises mixing vectors with probiotic thalli so as to obtain probiotic core bodies, and the gel wrapping comprises wrapping the probiotic core bodies with outer gel layers. The water activity of the obtained probiotic gel particles is 0.10-0.99. The method generates little damage to the probiotics, and can reserve enough activated probiotic thalli. The probiotic gel particles prepared by the preparation method have good storage and transportation performance. The probiotics have high colonization efficiency in intestinal tracts when eaten.

The invention relates to a pouring material for a slag stopping wall. The pouring material consists of the following components: 8mm to 20mm alumina, 5mm to 8mm alumina, 3mm to 5mm alumina, 1mm to 3mm alumina, 0 to 1mm alumina, alumina with the granularity of 200 meshes, 0 to 1mm magnesium sand, magnesium sand with the granularity of 200 meshes, silicon micro powder, steel fiber, sodium hexametaphosphate and explosion-proof fibers. The slag stopping wall which is prepared by mixing the components comprises a plane wall body and slope wall bodies which are arranged on two sides of the plane wall body, wherein the bottom end of the plane wall body is provided with at least one flow steel hole, the top end of each slope wall body is provided with at least one suspension ring, and an arc chamfer angle is arranged on the junction of the plane wall body and the slope wall body. The slag stopping wall has the advantages that the slag stopping wall which is prepared by mixing the components is good in thermal shock resistance, optimal in hot strength under the working temperature, effective for absorbing Al2O3 in impurities, low in cost and good in service life.

The invention discloses a method, a device and equipment for determining duplicate copy placement nodes on the basis of hadoop and a computer readable storage medium. The method includes determining target rack servers according to duplicate copy types of target duplicate copies; selecting nodes for to-be-placed duplicate copies from the target rack servers and forming clusters of the nodes for the to-be-placed duplicate copies; selecting nodes with working connection smaller than connection thresholds from the clusters of the nodes for the to-be-placed duplicate copies and determining nodes with the minimum real-time load from the nodes with the working connection smaller than the connection thresholds. The determined nodes with the minimum real-time load are used as nodes for placing thetarget duplicate copies. According to the scheme, the method, the device, the equipment and the computer readable storage medium have the advantages that the real-time load of the nodes and HDFS (hadoop distributed file system) working process numbers need to be simultaneously considered when the nodes for placing the duplicate copies are about to be selected, accordingly, reasonable distributionof the duplicate copies can be effectively improved, and optimized duplicate copy placement strategies are definite in purposefulness as compared with default duplicate copy placement strategies; thenodes with the minimum real-time load are selected to the greatest extent, the duplicate copies can be prevented from being stored in high-load nodes, and accordingly the duplicate copy transmissiontime can be shortened.

The invention relates to punching equipment, in particular to recyclable agricultural mulch punching equipment which can realize equidistant punching and automatically collect waste films. The recyclable agricultural mulch punching equipment comprises a sliding rail plate and a handle arranged on the upper portion of the right side of the sliding plate. Through equidistant punching of a thin film,convenience is brought to reasonably distributing planting density, and survival rate of plants is ensured; by recycling the thin film left after punching, stable growth of plant roots is ensured togreatest extent, convenience is brought to the plants to quickly absorb water and nutrient, growth speed is increased, and effective protection of environment is embodied; by automatically removing the round thin film, labor cost of farmers is omitted, and working efficiency is improved; the surface of a mounting frame is knocked intermittently through a rubber knocking column, so that convenienceis brought to quick falling of soil left in the mounting frame.

The invention discloses a snake bone of an endoscope. The snake bone comprises a front-section ring of the snake bone, a plurality of snake-bone joints and a rear-section ring of the snake bone which are sequentially in rivet joint with one another; the edges of the two sides of each snake-bone joint is in concave arc shapes to make an included angle formed between the edges of the two adjacent snake-bone joints; an included angle of 80-90 degrees is formed between the central connecting line of two arc line stopping plates and the central connecting line of two connecting lugs in each snake-bone joint; an included angle is formed between the edges of every two adjacent snake-bone joints, so that the bending degree between the two adjacent snake-bone joints can be increased, and the bending angle of the whole snake bone is increased; meanwhile, optical fibers for lighting, optical fibers for image transmitting and clamping tubes are conveniently and reasonably distributed, the extrusion between the optical fibers for image transmission and the clamping tubes is reduced, and the service life of the optical fibers for image transmission and the cavity clamping tubes is prolonged.

The invention discloses a refined sugar decolorization treatment device and a decolorization, backwashing, regeneration and cleaning process. An operation system comprises a syrup pump, a decolorization sugar liquid pump, an ion exchange bed group, a dilute sugar liquid tank, a concentrated sugar liquid tank and a decolorized sugar liquid tank. A regeneration system and a reverse regeneration system are communicated with a first pipeline and a second pipeline through pneumatic ball valves and are used for regenerating the ion exchange bed group. The regeneration system comprises a heat exchanger, a heat preservation water tank, a regeneration water pump, a salt dissolving tank, a salt liquid pump, a bag type filter, a desalted water tank, an alkali discharging pump, an alkali storage tank,an alkali metering tank and an alkali metering pump. The reverse regeneration system comprises an ejector, an acid metering box, an acid storage tank and an acid discharging pump which are sequentially communicated. The device has the advantages of small occupied area, no need of external cleaning equipment, good treatment effect, stable removal rate and the like.

The invention relates to a poly(p-phenylene benzobisoxazole) (PBO) fiber reinforced composite material for a dental root canal post and a preparation method thereof. The fiber reinforced composite material for the dental root canal post comprises a surface modified PBO reinforced fiber which is used as a reinforcing phase and a nanometer modified toughening resin which is used as a matrix. The composite material is compounded by mixing the PBO reinforced fiber with the toughening resin, wherein the PBO reinforced fiber adopts a 3D braided structure. According to the invention, a breakthrough is made to the design of unidirectional reinforcement with single-phase fibers in conventional fiber post structures, the high-performance PBO fiber and the 3D braided structure are introduced into a dental post material, so the flexural behavior of a conventional fiber post is improved, and good interfacial bonding force between the high-performance fiber and the resin matrix is guaranteed; and through adoption of the 3D braided structure, layering of the laminated composite material is effectively avoided, so excellent mechanical properties of the composite material in vertical, transverse and thickness directions are guaranteed.

The invention provides a double w-shaped combustion chamber applicable to opposed injection. The double w-shaped combustion chamber applicable to the opposed injection is characterized in that a w-shaped pit is formed in the center position of each of an air feeding side combustion chamber and an air exhausting side combustion chamber, wherein injected fuel oil spray guide structures are arranged at incisions, adjacent to a first oil injector and a second oil injector at two sides, of the air feeding side combustion chamber and the air exhausting side combustion chamber; a certain included angle is formed between the injected fuel oil spray guide structures at two sides of the air feeding side combustion chamber and the air exhausting side combustion chamber and a center line of the combustion chambers; the injected fuel oil spray guide structures are staggered and can correspondingly guide two injected fuel oil sprays to two sides of the double w-shaped combustion chamber. The double w-shaped combustion chamber applicable to the opposed injection has the following advantages: the problem of injected fuel oil spray collision caused by the opposed injection of the double oil injectors can be effectively avoided; the air utilization rate of the injected fuel oil spray can be increased on the premise that the capacity and compression ratio of the combustion chamber are unchanged, thus the oil-air mixing effect of an opposed injection type combustion system can be improved, and as a result, the combustion performances of double opposed engines can be improved.

The invention relates to a reforming reactor and application thereof. Mixed hydrogen is subjected to subsection, lifted hydrogen and stripped hydrogen are respectively introduced in different reactors, the molar ratio of H2 to HC in the reforming reactor is reasonably adjusted, and therefore compared with the prior art, the yield of aromatic hydrocarbon and hydrogen is greatly increased. Comparedwith the prior art, the reforming reactor adopts a radial reactor structure with an inlet formed in the side and an outlet formed in the top, the height of the reactor can be effectively reduced, theproblem that the larger top space of the reactor is wasted is solved, and a center cylinder and a fanshaped cylinder can be conveniently maintained; a catalyst collecting hopper is arranged at the bottom of the reforming reactor, hydrogen is adopted for steam stripping, through steam stripping, hydrocarbon components carried by a catalyst can be obtained, the rising temperature of the catalyst isalso reduced, and the reforming reactor is beneficial for safe operation, subsequent equipment and material selection for pipelines.

The invention discloses a method and a system for continuous kettle type industrial production of a crude acetal product, and belongs to the technical field of chemical production. A feeding mode of simultaneously, preferably and continuously adding corresponding reaction materials in the same proportion is adopted, and particularly, the temperature is controlled, so that the whole reaction process is continuously carried out; compared with a feeding mode of dropwise adding an acrolein-weak acid mixture into diethyl methylphosphite in the prior art that, the feeding mode of the invention realizes the continuous kettle type reaction process for preparing the crude acetal product, so the problems existing in the intermittent kettle type production process are effectively solved; and the production efficiency of the crude acetal product is effectively improved, the production cost is reduced, and meanwhile, large-scale industrial production is facilitated.

The invention relates to a dentistry color composite resin high-strength fiber temporary prosthesis. The temporary prosthesis takes surface-modified and microscopic form-processing poly-p-phenylene ben-zobisthiazole (PBO) reinforced fiber as a reinforcing phase, and takes nano-modified toughening resin as a matrix, the PBO reinforced fiber is mixed with the toughening resin to form a composite material to prepare the temporary prosthesis. The temporary prosthesis can improve the problems of insufficient mechanical properties such as bending strength, bending elasticity modulus and toughness of the current resin temporary prosthesis, high-performance PBO fiber and a three-dimensional braiding structure are introduced into a dentistry temporary prosthesis material, so that the integral mechanical strength of the temporary prosthesis is increased.

The invention discloses a tourist traffic association area big data generation method. The method includes S1: ordering the scenic spots of each tourist according to the time sequence to generate a time sequence of the scenic spots; S2: acquiring the scenic spot time sequence of a tourist, splitting the scenic spot time sequence into a minimum sub-sequence to generate a candidate sequence set; S3:calculating the support degree of each candidate sequence in the candidate sequence set, and inserting the candidate sequences with the support degrees larger than the threshold value into a frequentsequence set; S4, returning to S2 until the scenic spot time sequences of all tourists are read; S5 calculating the confidence coefficients and the gain values of the frequent sequences in the frequent sequence set, reserving the frequent sequence of which the confidence coefficient in the frequent sequence set is larger than the threshold value and the gain value is larger than 1, namely, the last reserved frequent sequence being an effective correlation rule. The method has the advantages of being capable of timely and completely generating the tourist traffic association area big data.

A high-density pressurized fluid bed coal gasification device and a method relate to a gasification device and a method which are especially suitable for the efficient treatment of the high-sulfur, high-ash and high ash fusion point coal with high reserve volume in China and have the advantages of broad coal type adaptability, high carbon transformation ratio in the gasification process, high heat value of coal gas, low investment and excellent environment-friendly performance. A gasification reactor (1) is arranged in a pressure shell (2) and is divided into a dense-phase turbulent flow fluidizing section (9), a high-density core-annulus flow section (10) and a density rapid flow section (11) from bottom to top, and according to the gasification character of the goal with high sulfur, high ash and high ash fusion point, flow states with different features are adopted for pressurizing and sectionalized gasification from bottom to top and the pressure for gasification is 1.0-2.5MPa.

The invention discloses an emergency safety landing device for a bridge detection unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles. An emergency safety landing device for a bridge detection UAV, comprising a body, a controller and a pressure sensor are arranged on the body, a power supply is arranged inside the body, a connecting rod is arranged at the bottom of the body, a support seat is arranged inside the first housing, and a motor is arranged on the support seat , a gear is set on the output shaft of the motor, a rack is set on one side of the gear, a first through hole is set on the bottom end of the first housing, a second through hole is set on the top wall of the second shell, a pressing plate is set on the bottom end of the rack, and the pressing plate A connecting ring is provided, a groove is provided on the outer wall of the second housing, a support bar is provided in the groove, a round hole is provided on the adjusting rod, a gap is provided at the bottom of the second housing, a supporting plate is provided at the bottom of the adjusting rod, and a buffer is provided at the bottom of the supporting board. The beneficial effect of the present invention is that: the present invention can safely land on the water surface when the UAV detects a bridge failure, thereby effectively protecting the UAV.

The invention provides application of stem cell-derived microvesicles in preparation of a preparation for repairing scars, and relates to the technical field of scar skin repair. In the invention, theextracellular vesicles derived from the mesenchymal stem cells obviously inhibit the expression of collagen III, the collagen III in the treatment group of the high-concentration microvesicles and the low-concentration microvesicles is obviously lower than that in the PBS group, and the expression of collagen I also presents a decreasing trend; both the high-concentration microvesicles and the low-concentration microvesicles can promote reasonable distribution of a skin structure, specifically, the structure of collagen is more reasonable, and accessory structures are remarkably increased; therefore, the stem cell-derived microvesicles have a scar repairing effect, the low-concentration microvesicles and the high-concentration microvesicles can promote the repairing effect of scar skin, the scar area of the repaired high-concentration microvesicles is smaller than the treatment of the low-concentration microvesicles, the treatment effect is remarkable, and the stem cell-derived microvesicles can be used for preparing preparations for repairing scars.

The invention discloses a real-time path planning method based on congestion control, which belongs to the technical field of path planning. The planning steps of the present invention include: planning initial routes for all vehicles in the road network, and calculating alternative routes; establishing a road network road congestion model, and continuously updating; generating random seeds for cluster heads, and communicating according to cluster queue communication rules; Vehicle nodes subscribe to vehicle dynamics and road real-time traffic flow data through the vehicle ad hoc network; use the congestion model to predict the congested streets that the cluster head vehicles will encounter, and if it is predicted that they will encounter congestion, a cluster queue will be established to notify the congestion message. The cluster head and the queuing vehicles compare the remaining travel time of the current route and the alternative route to determine whether the route needs to be updated. The invention can effectively divert the traffic flow of the congested street, and is beneficial to the rational distribution of the global traffic flow; it can simultaneously plan the paths of all the vehicles in the road network, save the amount of calculation, and improve the efficiency of path planning.

The invention discloses an efficient sewage treatment pond capable of adjusting stockpiling space. The efficient sewage treatment pond comprises an auxiliary road located at the top of an earth surface and a treatment pond body located at the bottom of the earth surface, wherein the auxiliary road is arranged at the top of the treatment pond body, a protective fence is arranged at the top of the auxiliary road and close to one side of the treatment pond body, the treatment pond body is of a concave cavity structure, heat preservation layers are arranged at the bottom and the side wall of the inner side of the treatment pond body, a heating layer is arranged in the middle of the heat preservation layer located on the side wall of the inner side of the treatment tank body, a floor-heating air pipe is arranged on the inner side of the heating layer, the upper end of the floor-heating air pipe sequentially penetrates through the heating layer and the treatment pond body and extends to the outer side of the treatment pond body, a pipe protection sleeve is arranged between the floor-heating air pipe and the heating layer, and a first base, a bottom layer matrix and a plurality of second bases are arranged at the bottoms of the inner sides of the heat preservation layers. The efficient sewage treatment pond has the beneficial effects that sewage purification effect is improved and sewage treatment is accelerated.

The invention discloses a refined sugar decolorization treatment device and decolorization, backwashing, regeneration and cleaning processes. The operating system includes a syrup pump, a decolorized sugar solution pump, an ion exchange bed group, a dilute sugar solution tank, a concentrated sugar solution tank and The decolorized sugar solution tank; the regeneration system and the anti-regeneration system are connected to the first pipeline and the second pipeline through a pneumatic ball valve, and are used to regenerate the ion exchange bed group. The regeneration system includes a heat exchanger, an insulated water tank, a regeneration water pump, a salt solution tank, a brine pump, a bag filter, a desalinated water tank, an alkali discharge pump, an alkali storage tank, an alkali metering box, and an alkali metering pump; The anti-regeneration system includes an ejector, an acid metering tank, an acid storage tank and an acid unloading pump connected in sequence. The invention has the advantages of small occupied area, no external cleaning equipment, good treatment effect, stable removal rate and the like.

The invention relates to a pouring material for a slag stopping wall. The pouring material consists of the following components: 8mm to 20mm alumina, 5mm to 8mm alumina, 3mm to 5mm alumina, 1mm to 3mm alumina, 0 to 1mm alumina, alumina with the granularity of 200 meshes, 0 to 1mm magnesium sand, magnesium sand with the granularity of 200 meshes, silicon micro powder, steel fiber, sodium hexametaphosphate and explosion-proof fibers. The slag stopping wall which is prepared by mixing the components comprises a plane wall body and slope wall bodies which are arranged on two sides of the plane wall body, wherein the bottom end of the plane wall body is provided with at least one flow steel hole, the top end of each slope wall body is provided with at least one suspension ring, and an arc chamfer angle is arranged on the junction of the plane wall body and the slope wall body. The slag stopping wall has the advantages that the slag stopping wall which is prepared by mixing the components is good in thermal shock resistance, optimal in hot strength under the working temperature, effective for absorbing Al2O3 in impurities, low in cost and good in service life.

The invention discloses a method for reducing iron ore sintering ignition energy consumption. The method comprises the following steps of 1, dividing an ignition burner region in an ignition furnace into a plurality of ignition regions; 2, calculating a reference ignition temperature of the ignition furnace according to the content of particles less than 0.5 mm in solid fuel, the content of high-crystallized-water iron ore, the moisture content of granulated mixed material, the height of a sinter bed and a particle size segregation index of the mixed material; and 3, calculating ignition temperature setting values of all the ignition regions according to the air permeability of the sinter bed on the basis of the reference ignition temperature. According to the method for reducing the ironore sintering ignition energy consumption, the reasonable distribution of a temperature field of the ignition furnace is optimized, the waste of the ignition energy consumption is reduced, and the ignition effect is improved.

The invention discloses a high-density, labor-saving and labor-saving tree shaping cultivation method for grapes, which includes leveling the land and raising ridges; determining a reasonable planting density, preferably with a row spacing of 2.8 m and a plant spacing of 1 m; and building a scaffold suitable for high-density, labor-saving cultivation of grapes ; and the annual plastic pruning management steps, the present invention can make full use of the characteristics of human mechanics, avoid the fatigue that flat scaffolding needs to raise its head and hedgerows need to bow its head and bend over, reduce labor intensity, improve work efficiency, and ensure good ventilation and Light; the shape of the vine is simple, and the pruning in winter is simple.