44results about How to "Save structural material" patented technology

The invention discloses an ecological landscape floating island, comprising one or a plurality of floating modules and floating link channels; each floating module is connected with each other, and the floating module and other objects are connected through the floating link channels; a plurality of platforms with different functions are arranged on the floating module; an anchoring positioning device is arranged under the floating module. The invention has the advantages of that the invention has low elevation and strong hydrophilicity, arbitrariness of establishing platforms, multifunction (uniqueness) of utilization, freeness from conditionality of fixed natural geography, movability (self-propulsion); the invention can carry out a series of wind power, hydropower, solar power and moon power generation, seawater desalination, freshwater purification, sewage purification, environmental protection, construction of the ecological landscape on the floating island, pseudo-classic architecture and modern architecture, as well as scientific experiment place of a marine science field; the invention has the advantages of huge scale, novel technology, good integrity, strong impermeability, light deadweight, high strength, large bearing capacity and good durability.

The present invention discloses a railway curve line designing method based on "sextic two-segment transition curve". The method is characterized in that a rail line of a railway is designed as the following equations: plane curve equation: y1 = 2L<2> / 15R [3(x / L)<5> - 2(x / L)<6>] [0, L / 2]; y2 = L<2> / 120R [32(x / L)<6> - 144(x / L)<5> + 240(x / L)<4> - 160(x / L)<3> + 60(x / L)<2> - 12(x / L) + 1] [L / 2, L] (1); facade ultra-high equation: h1 = 8H [(x / L)<3> - (x / L)<4>] [0, L / 2]; h2 = H [8(x / L)<4> - 24(x / L)<3> + 24(x / L)<2> - 8(x / L) + 1] [L / 2, L] (2); wherein a ZH point (a straight-spiral point) is used as the original point, the extension direction of a straight rail is used as the positive direction of the x axis, and one side of the curve is used as the positive direction of the y axis; L is the length of a transition curve; R is the radius of curvature of a circular curve; and H is the elevation of an outer rail of the circular curve in the design. Compared with existing traditional transition curves in our country, the present invention provides a curve with a higher curve continuous order, greatly improves the smoothness of the curve segment of the railway, and eliminates serious vibration source caused by unsmooth geometry of the curve segment of railway, and avoids impact between the rail of the transition curve segment and trains.

The invention relates to a double-liquid capillary micro-flow control valve in a micro-flow control chip, and a manufacturing method thereof, in particular to a capillary micro-flow control mechanism which is used for the micro-flow control chip and can realize sample injection of two liquids at the same time, aiming at solving the technical problem that the sample injection of the two trace liquids with different medium affinity properties can be difficultly realized in the existing micro-flow control technology. The double-liquid capillary micro-flow control valve is provided with a first branch flow groove, a second branch flow groove and an output groove which have equal cross section width; the cross section width of an air duct groove is less than that of the first branch flow groove, the second branch flow groove and the output groove; the depth of the second branch flow groove is equal to that of the output groove, and the depth of the first branch flow groove is less than that of the second branch flow groove; the depths of the second branch flow groove and the output groove are less than that of the air duct groove; the ends of the first branch flow groove and the second branch flow groove are communicated with an input end of the output groove; and the end of the air duct groove is communicated in front of the end of the second branch flow groove. The invention is applicable to the structure of a device which can lead the sample injection of high-affinity liquid to be carried out at the same time.

The invention discloses a dual-zone fuel coolant counterflow fuel assembly and a supercritical water cooled reactor. The fuel assembly comprises a fuel assembly body. The fuel assembly body comprises a heat insulating shroud and an assembly box which are both in a barrel shape. The heat insulating shroud is sleeved with the assembly box, inner zone fuel rods and guide pipes are arranged in the heat insulating shroud, and outer zone fuel rods are arranged between the outer wall of the heat insulating shroud and the inner wall of the assembly box. The supercritical water cooled reactor comprises the fuel assembly. Compared with the prior art, according to the structure of the fuel assembly and the supercritical water cooled reactor, water rods occupying multiple lattice cells or a solid moderator is omitted, no guide pipe is arranged in an outer zone, the technical difficulty of the structural design of the assembly, components in the reactor and the like and the physical design of a reactor core is greatly lowered, structural materials are reduced, and neutron economical efficiency and engineering realizability are remarkably improved. The structural design of a pressure container, especially an upper steam chamber structure can be greatly simplified, and engineering realizability is remarkably improved.

The invention relates to a mixer for mixing micro-liquid, in particular to a chip-in micro-mixer for mixing micro-liquid in bio-detection, which consists of a PDMS (poly-dimethylsiloxane) substrate and a glass sheet pasted on the PDMS substrate, wherein a T-shaped groove is formed on the face plate of the substrate and composed of a transverse groove and a longitudinal groove communicated with the transverse groove; the outlet of the longitudinal groove is directly propped against the plate end of the substrate; the longitudinal groove is communicated with the transverse groove; the longitudinal groove is a conical groove with the inlet length larger than the outlet length; an inverted conical longitudinal groove parallel to the center line of the conical longitudinal groove is further formed on the bottom surface of the conical longitudinal groove; and through-holes for communicating the transverse groove are formed at two ends of the glass sheet corresponding to the transverse groove on the PDMS substrate. The invention effectively solves the difficult problems that the liquid in a micron-scale micro-channel has low flow rate, low Reynolds number and long mixing process, and the mixed liquid at the interface of the two liquids has an impact of blocking on the mutual intermolecular diffusion of the non-mixed liquid in the prior art.

The invention relates to a refilling gas storage type solid propellant power device, and belongs to the technical field of solid rocket engines and solid fuel gas generators. The refilling gas storagetype solid propellant power device adopts the following technical approaches that firstly, pulse pressurization is adopted, wherein multiple stages of pulse explosive columns are used for continuously filling to achieve combustion, and the combustion process is not required to be stopped; and secondly, a gas storage link is added, wherein a charge combustion process and a spray pipe exhaust working process are separated, and are independent respectively. Charge combustion is only used for pressurizing a fuel gas storage box without simultaneously exhausting gas, and exhaust working enables aworking medium and energy of the refilling gas storage type solid propellant power device to be from the fuel gas storage tank, and at the moment, explosives are not required to be charged for simultaneous combustion. According to the refilling gas storage type solid propellant power device, a traditional combustion-release process is changed into combustion-gas storage-release process so that theproblem caused by the fact that the solid propellant combustion process is difficult to interrupt can be well solved; and according to the refilling gas storage type solid propellant power device, two technical approaches of gas storage link and pulse pressurization are combined, so that active startup and shutdown and multiple times of start of the solid propellant power device are truly realized.

The invention discloses an automatic dumping garbage can based on motor driving, and relates to the technical fields of environmental sanitation and environmental protection. The automatic dumping garbage can comprises a supporting device, a box and a chuck; the box is fixedly hung on the supporting device and rotatably dumps garbage through motor driving, and a circular clamping base is fixed to the end of a supporting column; the clamping base is connected with the box in the mode of cooperating with the chuck; and a circular groove is in interference fit with a transmission rod. According to the automatic dumping garbage can based on motor driving, a servo motor is arranged to control the box to rotate, a sanitation worker does not need to manually dump garbage, automatic garbage dumping is achieved, cleaning work of the sanitation worker is convenient, and the advantages of being simple in structure, convenient to use and practical are achieved; by arranging the supporting device, the box is supported, vertical rotation of the box is achieved, therefore, the assembling mode among structures is reduced, structural materials are reduced, the production cost is reduced, and the installing and maintaining efficiency is improved.

The invention discloses a chassis lifting device based on a four-column lifter. The chassis lifting device comprises a supporting plate, an elastic element, a protective cover and a buckle, wherein the elastic element comprises a base; a spring is fixed on the surface of the base; a spring cover is fixed on the other end of the spring; the elastic element is fixed on the surface of the supporting plate through the base; a groove is formed in the middle of the protective cover; the groove and the supporting plate are mutually matched; anti-slip grooves are formed in the surfaces of both sides of the protective cover; and the buckle is fixed on the surface of the supporting plate. According to the chassis lifting device disclosed by the invention, through the arrangement of the elastic element, an automobile chassis can be better fitted with the supporting plate, and the automobile base can be better protected; the chassis lifting device has the advantages of being simple in structure and diverse in functions; through the arrangement of the protective cover, automobile tires run over the protective cover and then the protective cover is pulled away to protect the elastic element and the supporting plate; the chassis lifting device has the advantages of being high in durability, long in service life and the like; and the supporting plate is fixed through the buckle, an automobile is lifted through a wire rope, and an assembling manner between structures is reduced, so that structural materials are reduced, the production cost is reduced, and the mounting efficiency and the maintenance efficiency are improved.

The invention relates to a composite snakelike flow channel structure, and an all-vanadium redox flow battery containing same. The composite snakelike flow channel structure comprises a main flow channel etched on a bipolar plate, the head section of the main flow channel is split into N snakelike flow channels, the tail section of the main flow channel is converged by the N snakelike flow channels, N is a natural number greater than 2, and the snakelike flow channels are equal in width and are uniformly distributed; and a reserved compression electrode space is arranged at the bottom of each snake-shaped flow channel. According to the invention, the space for compressing the reserved electrode is designed, and the electrolyte is guided to flow into the space for compressing the electrode through the composite snakelike flow channel and then flow into the porous electrode, so that the electrolyte is distributed more uniformly, the overpotential is reduced, and the performance of the battery is improved.

The invention discloses an immersed type graphite heat exchanger. The immersed type graphite heat exchanger comprises a hollow graphite column, wherein the center of the hollow graphite column is provided with a first round through hole; annularly-distributed longitudinal heating holes are formed in the end surface of the hollow graphite column; transverse feeding holes are formed in an inner wallof the hollow graphite column; the top of the hollow graphite column is connected with an upper closure head in a sealing manner; the bottom of the hollow graphite column is connected with a lower closure head in a sealing manner; a second round through hole is formed in the center of the surface of the upper closure head; two crescent slots are formed in one side, close to the hollow graphite column, of the upper closure head; the inner parts of the crescent slots are funnel-shaped; a charging hole and a discharging hole are formed in one side, away from the hollow graphite column, of the crescent slots; crescent slots, a second round through hole, a charging hole and a discharging hole are also formed in the lower closure head; and the crescent slots formed in the upper closure head arecentrally symmetrical to the crescent slots formed in the lower closure head at 90 degrees. The immersed type graphite heat exchanger disclosed by the invention is high in structural strength; by adopting polytetrafluoroethylene with high corrosion resistance and high temperature resistance to immerse graphite, the service life of the graphite heat exchanger is prolonged; and a heating medium realizes countercurrent flow round trip in the graphite heat exchanger, so that the heat exchange efficiency is high.

The invention relates to a double-liquid capillary micro-flow control valve in a micro-flow control chip, and a manufacturing method thereof, in particular to a capillary micro-flow control mechanism which is used for the micro-flow control chip and can realize sample injection of two liquids at the same time, aiming at solving the technical problem that the sample injection of the two trace liquids with different medium affinity properties can be difficultly realized in the existing micro-flow control technology. The double-liquid capillary micro-flow control valve is provided with a first branch flow groove, a second branch flow groove and an output groove which have equal cross section width; the cross section width of an air duct groove is less than that of the first branch flow groove, the second branch flow groove and the output groove; the depth of the second branch flow groove is equal to that of the output groove, and the depth of the first branch flow groove is less than that of the second branch flow groove; the depths of the second branch flow groove and the output groove are less than that of the air duct groove; the ends of the first branch flow groove and the secondbranch flow groove are communicated with an input end of the output groove; and the end of the air duct groove is communicated in front of the end of the second branch flow groove. The invention is applicable to the structure of a device which can lead the sample injection of high-affinity liquid to be carried out at the same time.

The invention relates to a fractional slot winding of a permanent magnet brushless motor, which comprises a stator core of unslotted structure. The coils of the winding are arranged on the end of the stator core and corresponding to magnetic poles which are in alternate arrangement with an N pole and an S pole on a rotor; the pitch of the winding is 1 slot pitch and the winding is in double lap wound. The winding of the invention is characterized in that: number of magnetic poles P, number of core slots Z, phase number M and distribution number Q meet the following conditions: 1) when the distribution number Q is odd, the number of core slots Z equales that Q is multiplied by M and then multiplied by K, number of magnetic poles P equals that Z plus or minus K; wherein, K is a natural number; 2) when the distribution number Q is even, number of core slots Z equals that Q is multiplied by M and then multiplied by K, number of magnetic poles P equals that Z plus or minus 2K; wherein, K is a natural number. The fractional slot winding is applicable to low speed high torque permanent magnet brushless motors of various sizes and power grades and since the pitch of the winding is 1 slot pitch, the end length of the motor winding is obviously shortened, thus winding materials and energy are saved; meanwhile, the winding of the invention has simple production technique, is suitable formass industrial manufacture and can reduce processing cost of a permanent magnet.

The invention discloses a solar cell panel based on waterflow heat-absorption cycle. The solar cell panel comprises a base, a reflector, a coiled pipe, a cover plate and a substrate; a first bump is arranged on the base; the reflector is fixed on the surface in the base; a plurality of protrusion surfaces are arranged on one surface of the reflector in a row; the coiled pipe is fixed on the reflector through the substrate; a solar cell is fixed on one surface of the substrate; a plurality of studs are arranged on the other surface of the substrate; a second bump is arranged on one surface of the cover plate; the cover plate is provided with a transparent plate; and the second bump and the first bump are relatively matched. By means of the solar cell panel based on waterflow heat-absorption cycle disclosed by the invention, the solar cell and the coiled water pipe are matched, so that a device capable of generating electricity and heating water simultaneously is formed; the substrate is arranged, and used for installing the solar cell and the coiled pipe; the assembly manner among structures is reduced; the installation and maintenance efficiency is increased; while the cell panel is separated by the reflector with the convexity, light irradiates the surface of the coiled water pipe, and is used for heating the coiled water pipe; and thus, the solar cell panel is reasonable in structure and high in energy utilization rate.

The invention discloses a lifting device based on a four-column lifting machine. The lifting device comprises a support plate, male fasteners, female fasteners and square covers, wherein the support plate is a trapezoidal strip platform, a parking groove is formed in the middle of the support plate, skid-resistance grooves are formed in the surfaces of slopes, semicircular slots are formed in onesurfaces of the female fasteners, each male fastener and the corresponding female fastener are matched with each other, each female fastener is fixed to the surface of the support plate through a first through hole, several second through holes are formed in one surface of the square cover, and semicircular grooves are formed in the surface of the square covers; the semicircular groove, chucks andthe slots cooperate with one another. According to the lifting device, through the formation of the parking groove, an automobile tire is fixed, and the lifting device has the advantages of being simple in structure, convenient to operate, convenient in manufacturing and processing technology, long in service life and the like; and meanwhile, the support plate is fixed through the arrangement ofthe fasteners, an automobile is lifted through steel wire ropes, the assembly mode among structures is lowered, the structural materials are reduced, the production cost is lowered, and the efficiencyof installation and maintenance is improved.

The invention discloses a chassis lifting device based on a four-column lifter. The chassis lifting device comprises a supporting plate, an elastic element, a protective cover and a buckle, wherein the elastic element comprises a base; a spring is fixed on the surface of the base; a spring cover is fixed on the other end of the spring; the elastic element is fixed on the surface of the supporting plate through the base; a groove is formed in the middle of the protective cover; the groove and the supporting plate are mutually matched; anti-slip grooves are formed in the surfaces of both sides of the protective cover; and the buckle is fixed on the surface of the supporting plate. According to the chassis lifting device disclosed by the invention, through the arrangement of the elastic element, an automobile chassis can be better fitted with the supporting plate, and the automobile base can be better protected; the chassis lifting device has the advantages of being simple in structure and diverse in functions; through the arrangement of the protective cover, automobile tires run over the protective cover and then the protective cover is pulled away to protect the elastic element and the supporting plate; the chassis lifting device has the advantages of being high in durability, long in service life and the like; and the supporting plate is fixed through the buckle, an automobile is lifted through a wire rope, and an assembling manner between structures is reduced, so that structural materials are reduced, the production cost is reduced, and the mounting efficiency and the maintenance efficiency are improved.

The invention provides a combined square fuel assembly, a reactor core and a two-pass flowing method of a moderator and a coolant, which are suitable for a super-critical water reactor. The fuel assembly consists of 4 same child components arranged in a 2*2 square form, wherein each child component consists of multiple fuel rods arranged in a square grid form, a water rod is arranged in a central area, and a guide tube of a crossed control rod and a conduit of the water rod are placed above the component and a conduit of the water rod and a moderator duct are placed below the component; the reactor core is divided into first and second pass areas; the moderator flows into the space between the water rod and the child component from top to bottom in both passes; the coolant flows into a first pass fuel area from top to bottom; and the moderator and the coolant flow into a second pass fuel area from bottom to top after being stirred and mixed below the reactor core and flow out of the reactor core. According to the combined square fuel assembly, the reactor core and the two-pass flowing method of the super-critical water reactor, the moderator and the coolant as well as the different pass coolants in the components and the reactor core can be effectively shunted when the fuel rod is fully and uniformly moderated, the structural materials are reduced and the feasibility and safety are high.

The invention discloses a cloud storage device based on multi-terminals, which includes a cloud storage body, a hard disk pull plate, a rectangular window, a column groove, a slot, a column insertion, a push-pull block, a return spring, a miniature air pump, a bottom support plate, a circular Cavity, thin steel tube, fine hole column, square block, rectangular housing and piston ring. In the present invention, the rectangular shell can be moved to the top of the cloud storage body in a pneumatic way, and the cloud storage body is fully exposed, which is convenient for users to overhaul and replace the traditional disassembly method. The corresponding end of the column is snapped in, which can position and fix the hard disk pull-out plate, and the structure material used is less, and the operation is convenient.

The invention belongs to the technical field of processing equipment for interior trim parts of a high speed train and discloses a hydraulic machine for the train interior trim parts of the high speedtrain. The hydraulic machine comprises a lower cross beam and an upper cross beam; the upper cross beam and the lower cross beam are fixedly connected through four symmetrically-arranged stand columns; the upper cross beam is fixedly sleeved with an oil cylinder; two plunger cylinders are symmetrically arranged on the two sides of the oil cylinder; one end of a piston rod of the oil cylinder andone ends of piston rods of the two plunger cylinders are fixedly connected with the upper side of a sliding block; and an electronic pump is arranged on one side of the upper end of the upper cross beam and connected with an oil pump and the plunger cylinders. The hydraulic machine is simple and reasonable in structure, structure materials of the hydraulic machine are saved, equipment weight is reduced, equipment can be carried and transferred conveniently, limiting guidance is carried out on the sliding block through a guide plate, the interval between the guide plate and the sliding block isadjustable, and the guidance precision and unbalance loading resistance of the sliding block are improved.

This invention relates to permanent magnetic brushless motor division slot winding, which is imbedded into stator iron chip tank relative to the above N, S electrodes by alternating distribution with one tank distance and double layers of rolling and the magnetic electrode number and iron chip tank number Z and phase number M and distribution Q meet the following constraints: a, when q is odd, then Z=Q*M*K and P=Z+-K; b, q is even, then Z=Q*M*K and P=Z+-2K.

The cold-guiding heat pipe device includes at least two evaporating tubes and condensing tubes to form the evaporating tube set and the condensing tube set separately via parallel connection with the connecting tubes. The upper connecting tubes for the evaporating tube set and the upper connecting tubes for the condensing tube set are communicated, and the lower connecting tubes for the evaporating tube set and the lower connecting tubes for the condensing tube set are communicated to form the circulating loop. Inside the closed container holding cold storing medium, the evaporating tube set is soaked. The refrigerated warehouse includes heat insulator and cold storing body as the cold source. The present invention has heat pipe with high heat conductance and ring circulating loop so that it has high efficiency, high stability, low cost, low power consumption and high performance / cost ratio.

The invention relates to a refilling gas storage type solid propellant power device, and belongs to the technical field of solid rocket engines and solid fuel gas generators. The refilling gas storagetype solid propellant power device adopts the following technical approaches that firstly, pulse pressurization is adopted, wherein multiple stages of pulse explosive columns are used for continuously filling to achieve combustion, and the combustion process is not required to be stopped; and secondly, a gas storage link is added, wherein a charge combustion process and a spray pipe exhaust working process are separated, and are independent respectively. Charge combustion is only used for pressurizing a fuel gas storage box without simultaneously exhausting gas, and exhaust working enables aworking medium and energy of the refilling gas storage type solid propellant power device to be from the fuel gas storage tank, and at the moment, explosives are not required to be charged for simultaneous combustion. According to the refilling gas storage type solid propellant power device, a traditional combustion-release process is changed into combustion-gas storage-release process so that theproblem caused by the fact that the solid propellant combustion process is difficult to interrupt can be well solved; and according to the refilling gas storage type solid propellant power device, two technical approaches of gas storage link and pulse pressurization are combined, so that active startup and shutdown and multiple times of start of the solid propellant power device are truly realized.

The invention belongs to the technical field of mining equipment, and relates to a continuous vulcanizer for a joint-free closed-loop steel rope core rubber conveying belt of a belt feeder. A plurality of joint-free steel wire ropes are annularly sleeved on a conveying belt front roller body and a conveying belt rear roller body and are tensioned, lower cover rubber and the lower core rubber are laid right above a lower heating plate and on a lower steel belt, the joint-free steel wire ropes are arranged above the lower core rubber, and the upper core rubber and the upper cover rubber are arranged above the joint-free steel wire ropes. A upper heating plate and the lower heating plate sandwich the four layers of rubber and the steel wire ropes between an upper steel belt and the lower steel belt, heating and pressurizing are performed, the upper steel belt and the lower steel belt drive the four layers of rubber and the steel wire ropes to slowly translate forwards, and vulcanized rubber is discharged from the front ends of the upper heating plate and the lower heating plate; and four layers of unvulcanized rubber materials and steel wire ropes enter from the rear ends of the upperheating plate and the lower heating plate. According to the continuous vulcanizer, a steel wire rope core rubber conveying belt with high tensile strength and small manufacturing error can be produced, continuous and automatic feeding production is achieved, the labor amount can be reduced, labor force is saved, and the production efficiency is improved.

The invention provides a solar condensation power and heat cogeneration module which comprises a base frame, at least two groups of high-reflection semi-disk mirrors, an integrated radiating pipe and high transmittance tempered glass, wherein the base frame is used as a bearing part of the integral module; arc installation positions capable of being used for fixing the high-reflection semi-disk mirrors are arranged on the base frame; the high-reflection semi-disk mirrors are arranged in parallel in the installation positions of the base frame; the integrated radiating pipe is arranged on the base frame; a plurality of concentrator solars for concentrating the sunlight reflected by the high-reflection semi-disk mirrors are symmetrically arranged at both sides of the integrated radiating pipe; and the high transmittance tempered glass is arranged on the base frame and is covered at the top ends of the high-reflection semi-disk mirrors and the integrated radiating pipe is packaged under the glass. Moreover, according to the invention, the aim of high efficiency solar condensation power and heat cogeneration can be fulfilled and the comprehensive solar electric heat utilization efficiency reaches over 70 percent.

The invention discloses a double-zone fuel coolant reverse flow fuel assembly and a supercritical water-cooled reactor. The fuel assembly includes a fuel assembly body, and the fuel assembly body includes a cylindrical heat-insulating shroud and an assembly box. The component box is sleeved on the outside of the heat insulation shroud, and the fuel rods in the inner area and the guide pipe are arranged in the heat insulation shroud, and the fuel rods in the outer area are arranged between the outer wall of the heat insulation shroud and the inner wall of the assembly box. The illustrated supercritical water-cooled reactor includes the fuel assembly. Compared with the existing technology, the structure of the above fuel assembly and the supercritical water-cooled reactor cancel the "water rod" or "solid moderator" occupying multiple cells, and there is no guide pipe in the outer area, which can greatly reduce the cost of components and reactors. The structural design of internal components and the technical difficulty of core physical design reduce structural materials and significantly improve neutron economy and engineering feasibility. It can also greatly simplify the structural design of the pressure vessel, especially the structure of the upper steam chamber, and significantly improve the engineering feasibility.

A method for manufacturing a large cylindrical material storing tank comprises the following steps that a plurality of hoisting stand columns are evenly distributed inside a tank body in the circumferential direction, wherein the hoisting stand columns are provided with electric hoists; a first layer tank body member is formed by splicing a plurality of arc-shaped pipe pieces, the part, close to the bottom, inside the first layer tank body member is provided with a hoisting stiffening ring, and a lifting lug is arranged on the hoisting stiffening ring; the first layer tank body member is hoisted by the electric hoists; a second layer tank body member is formed by splicing a plurality of arc-shaped pipe pieces below the first layer tank body member, the electric hoists are operated to enable the first layer tank body member to fall at the upper end of the second layer tank body member, and the first layer tank body member and the second layer tank body member are connected in a welding mode; by parity of reasoning, a plurality of layers of tank body members are welded into the whole tank body; the large cylindrical material storing tank is installed and manufactured through the steps. According to the method, the effect of the transporting and storing steps on the tank body members is reduced, the using cost of hoisting devices is reduced, the manufacturing and installing efficiency and tank body quality are improved, and manufacturing and installing cost is reduced.