84 results about "Drainage design" patented technology

The invention provides a high-rise residential area forced arrangement scheme generation design method based on a conditional generative adversarial network. The method comprises the steps of constructing a high-rise residential area conditional generative adversarial network structure model according to a design task book; Generating a data set under supervised pairing training and calling a Python language to adjust the picture size; Performing alternate iterative training on the network until a Nash equilibrium state is reached, and taking the high-rise residential area contour picture to be planned as an input condition to obtain a high-rise residential area forced arrangement scheme total plane graph; Calling a Python language to obtain a pixel gray scale value of the total plane graph so as to construct a high-rise residential area building geometric model; And establishing a building sunshine, fire-fighting performance and urban skyline combined evaluation system through computer simulation analysis and an expert evaluation method. The high-rise residential area forced drainage design scheme can be supported to make a decision, and meanwhile subjective and objective joint evaluation is carried out on the high-rise residential area forced drainage design scheme through building sunshine, fire-fighting performance and urban skyline analysis.

The invention relates to the technical field of water purification equipment, and particularly relates to a multifunctional water purifier with the functions of sterilization, disinfection, preservation, energy conservation, environment protection and the like. The water purifier adopts a dual-membrane, dual-water and dual-drainage design of an ultrafiltration membrane and a reverse osmosis membrane, an ozone and ultraviolet sterilization, disinfection and preservation design, a filter element exchange reminding function design, a water-saving design, a multifunctional filter element design, an ultrafiltration water, purified water, ozone water, clear water and functional water drainage design, a transparent housing design, and a leakage protection design. The multifunctional water purifier is designed into dual-membrane and dual-row drainage by adopting the dual-membrane, dual-water and dual-drainage design of the ultrafiltration membrane and the reverse osmosis membrane; the drainage capacity can be up to 100%; a plurality of one-way valves are designed in the device; the valves play a plurality of water control requirements; each control switch is properly turned on and off, so as to achieve purified water outlet drainage or ozone water outlet drainage or clear water outlet drainage or functional water outlet drainage or reverse osmosis membrane drain outlet drainage or ultrafiltration membrane drain outlet drainage or leakage protection start.

A tower planter growth arrangement comprising towers (2) allowing plant / crop production to be commercially competitive with commonly-used field cultivation for selected crops and ornamental plants. It has risers (12) of different lengths that permit a variable number of growing pots (4) in stacked array on a center support pipe (6), a new pot (4) design configured for improved drainage and reduced shipping damage, modified tower rotation plates (8) adapted to accommodate the new pot (4) drainage design, optional protective sleeves (20) for pots (4) that extend their useful life, an optional ground pot (18) that can collect excess water / nutrient drip for growing bonus plants / crops, an optional weighted support pot (52), an optional overhead nutrient distribution system (24), optional internal ground supports / stakes (14), optional support plates (10), and optional use of a nutrient distribution pot (22) above the top growing pot (4) in each tower (2). Applications include, but are not limited to, home and commercial use for growing a wide variety of crops and ornamental plants.

The present invention relates to the field of agricultural irrigation drainage technology, in the concrete, said invention provides a staged and graded dynamically-controlled farmland drainage designing method. Said method is characterized by that said designing method mainly includes the following several contents: firstly, according to the actual requirements for drainage designing three stages of early stage, mid-stage and late stage for time division; respectively providing groundwater level dynamic control index, using it as designing standard for drainage engineering with different grades, then correspondently defining spaced distance between drainage ditches for making farmland management, collecting water and conveying water, so that said designing method can effectively raise drainage effect of farmland.

The invention discloses a controlled self-lifting floating body, which is characterized in that: the controlled self-lifting floating body is mainly formed by connecting a buoyancy adjusting base (13), a drainage component (14), a transmission component (15) and an electric component (16). Due to the adoption of an integral shape design, a correct posture of the floating body kept in the water is guaranteed in a mode that a water inlet end is positioned on the lower part of the floating body; due to the adoption of a piston structure, the two ends of the piston can be reliably sealed when a lower friction force is acquired; and due to a suction and drainage design, the water volume flowing in and out of the floating body can be accurately controlled and the problem of acting force required by the floating body during floating upward or sinking is solved. In addition, due to the selection of a sealing piece with excellent corrosion resistance, the problem that two opposite kinematic pairs are easily corroded with each other in the seawater environment and the service life of the floating body can be greatly prolonged.

The invention discloses a tunnel counter-slope drainage design method based on water inflow estimation and dynamic monitoring. The method comprises the following steps that on-site geological survey is carried out, geological conditions of sections where a tunnel is located are learned, and water burst risk assessment is carried out on all the sections through first investigation data; based on power minimization optimization, water inflow of all the sections of the tunnel is estimated, a power minimization optimization method is adopted for carrying out grading calculation on pump stations, and optimal water pump power is selected; the power of the pump stations is set according to the optimal water pump power, it is ensured that the power of all the pump stations is set to correspond to the actual water outlet amount of the tunnel, and a counter-slope drainage scheme is set; a TEM transient electromagnetic method and an induced polarization method are adopted for accurately locating water containing areas of the water containing sections of the tunnel, the water content is estimated, the water inflow of the tunnel face can be dynamically monitored in real time, and the set of the counter-slope drainage arrangement is adjusted according to the water inflow, the water inflow change rate and the estimated water content. The water containing areas before the excavated tunnel face can be located accurately, and the water inflow can be estimated accurately.

The invention discloses a plane-vertical-horizontal collaborative railroad bed drainage design method. The method includes (S1) constructing a rail track plane custom entity, (S2) constructing a railroad bed engineering custom dictionary, (S3) constructing three view ports in railroad bed drainage plane, vertical and horizontal, (S4) constructing a railroad bed horizontal section custom entity, (S5) designing a drainage ditch horizontal section custom entity, (S6) constructing a drainage ditch plane custom entity and performing drainage ditch plane design, (S7) constructing drainage ditch vertical section custom entity and a drainage ditch slope line custom entity and performing drainage ditch vertical slope design, (S8) performing drainage ditch plane-vertical-horizontal collaborative design, (S9) performing drainage engineering quantity computation and result form output, and (S10) drawing a railroad bed drainage system diagram. By the method, the plane, longitudinal section and horizontal section of a railroad bed drainage ditch are combined organically, vertical-horizontal collaborative drainage design is realized, the design is visual and optimal, random error of manual operation can be avoided effectively, reasonability in plane-vertical-horizontal design is guaranteed, and the method has obvious popularization and application value.

A system and method for automatically creating a three-dimensional (3D) model for use in a design application, such as a transportation planning and design application that supports roadway, bridge or drainage design. A user at a client computer selects an area of interest (AOI) on a two-dimensional (2D) map, as well as one or more data sets to be used, and then submits a model creation request to a server computer. The server computer automatically aggregates one or more data sources to generate a 3D model of the area of interest. At least one of the data sources comprises a curated database. The server computer publishes or stores the 3D model into a database, for subsequent downloading to the client computer. The 3D model is a proprietary model owned by the user, and is fully editable by the user.

The invention discloses a determination method for effective resilience moduli of a bituminous pavement and a bituminous roadbed. The method comprises the following steps that: I, roadbed strength parameters in different seasons are determined; II, a relation between each roadbed resilience moduli in different seasons and a corresponding influence degree of the roadbed resilience moduli on the carrying capacity of the roadbed is established; and III, the effective resilience modulus of the roadbed variable in the different seasons is determined. Based on the effective resilience modulus of the roadbed with flexure, an influence of different water contents of the roadbed in the different seasons on the roadbed and pavement design flexure can be considered, and a rule of seasonal variation of the roadbed strength can be accurately reflected, so that the determination of design parameters of the roadbed is reasonable, and a bituminous pavement structure design and a roadbed and pavement waterproof and drainage design can be guided well. According to a mutual influence relation of the roadbed and the pavement, the influence degree of the roadbed resilience moduli in the different seasons on the pavement design flexure can be determined, so that the effective resilience modulus of the roadbed can be determined.

The invention relates to a farmland underground water drainage design method. Underground water drainage ditches are vertically distributed in a check field along the water irrigation direction, and the tail ends of the underground water drainage ditches which are vertically distributed are communicated with underground water drainage ditches which are transversely arranged, wherein the depth of each underground water drainage ditch is 0.8-1.2m; each underground water drainage ditch is internally and fully paved by straws or wheat straw fillers to be rolled for 3-5 times back and forth along the ditch by using a stone roller, and soil is gradually filled to be compacted layer by layer after the rolling; a general water drainage pipe is arranged at the middle positions of the underground water drainage ditches which are transversely arranged and an outlet is placed into a farming ditch; and surplus farmland underground water is discharged out. The farmland underground water drainage design method can effectively solve the problem of reducing immersion of a southern region farmland, improves a farmland soil-steam ratio, and increases the ground temperature; and meanwhile, a simple and feasible operation method is provided for comprehensive utilization of the straws. Compared with the prior art, the farmland underground water drainage design method utilizes the pure natural straws or wheat straws, uses local materials, is simple to construct and has a low construction cost, so that materials and used lands are saved; the water drainage effect is obvious; and the farmland underground water drainage design method is good for increasing the production of grains and can be popularized and applied in a large area.

A tower planter growth arrangement comprising towers (2) allowing plant / crop production to be commercially competitive with commonly-used field cultivation for selected crops and ornamental plants. It has risers (12) of different lengths that permit a variable number of growing pots (4) in stacked array on a center support pipe (6), a new pot (4) design configured for improved drainage and reduced shipping damage, modified tower rotation plates (8) adapted to accommodate the new pot (4) drainage design, optional protective sleeves (20) for pots (4) that extend their useful life, an optional ground pot (18) that can collect excess water / nutrient drip for growing bonus plants / crops, an optional weighted support pot (52), an optional overhead nutrient distribution system (24), optional internal ground supports / stakes (14), optional support plates (10), and optional use of a nutrient distribution pot (22) above the top growing pot (4) in each tower (2). Applications include, but are not limited to, home and commercial use for growing a wide variety of crops and ornamental plants.

A gardening intensive water storage and drainage method relates to drainage design method. The gardening intensive water storage and drainage method comprises two steps of, firstly, during residential greening space planning and park greening space planning, selecting low-lying areas and surrounding areas as the central greening space or appropriately reforming existing terrains into an area with a relatively high circumferential level; secondly enabling the circumference of the central greening space to connect with or surround the main roads of a residential district or a park. According to the gardening intensive water storage and drainage method, through terrain reformation, the garden greening space can obtain the functions of water storage and drainage and groundwater replenishing, municipal drainage burden of gardens in rain days can be released, the functionality and the environmental properties of urban gardens can be greatly enhanced, and a large quantity of water resources can be saved.

The invention discloses a deep buried central gutterway inspection well structure for a cold region tunnel. The structure starts from a heat transfer fundamental form, adopts two layer cover plates (100, 200) and corresponding air impermeable sealing mechanisms (110, 210), and fully utilizes a confined space between the cover plates, so that the conduction effect is effectively lowered, and the convection effect is forcefully prevented. An enclosure space (300) between the two layer cover plates also has the heat insulation and preservation effect. According to the structure, the heat transfer from an inspection well to the tunnel is effectively prevented, the occurrence of the problem of the tunnel waterproof and drainage system failure caused by a frozen inspection well is prevented, and the cold region tunnel frost damage problem caused by the frozen inspection well is solved. Compared with an existing structure of the inspection well, the control on the heat convection of the deep buried central gutterway inspection well of the cold region tunnel is achieved, the fast heat conduction in a convection mode is prevented, and an example is provided for a waterproof and drainage design of the cold region tunnel.

The invention discloses on-line spray type quenching equipment for steel tubes and belongs to the technical field of steel rolling. The on-line spray type quenching equipment aims at achieving the effects that the on-line spray type quenching equipment and method applicable to the steel tubes are provided; an outer spray water supply system and an inner spray water supply system of a spray type steel tube quenching device can adopt the normally-open mode; the scale of water supply and drainage design is a half or more smaller than that of conventional design; constructional investment cost is saved; and production cost and maintenance cost are lowered. The equipment comprises an inner spray water supply water returning device, an outer spray water supply water returning device, the spray type quenching device, an oxidized iron sheet groove device, a water returning treatment device, a cold water pool device and a control device. The invention further discloses another type of quenching equipment which comprises an inner spray water supply water returning device, an outer spray water supply water returning device, the spray type quenching device, an oxidized iron sheet groove device, a cold water pool device and a control device. The equipment is particularly applicable to on-line quenching of the steel tubes.

The invention discloses a method for calculating a reasonable buried depth during construction of an undersea tunnel by a drilling and blasting method. The hydrogeological and engineering geological conditions of a construction site are considered comprehensively, the tunnel burial depth is calculated separately under the influence of the single factor of engineering analogy method, stability of surrounding rock, rock fracture damage, blasting loads and seismic loads, drainage design and cost and tunnel construction safety, hierarchical analysis of the importance of the factors is carried out,weight calculation of the influencing factors of the reasonable buried depth during the construction of the undersea tunnel by the drilling and blasting method is carried out by adopting a weight analysis method, and therefore, a reasonable buried depth value of the undersea tunnel constructed by the drilling and blasting method is obtained.

The invention discloses a biological detention facility internal drainage system achieving rainwater dual-effect control and an implementation method. A drain pipe and a downflow weir are additionally arranged in a biological detention facility to serve as an auxiliary drainage facility so as to achieve the dual-effect control targets of regulation of the rainwater runoff volume and reduction of the peak flow. Bottom drain pipe and downflow weir design flow design steps are put forward according to the runoff volume in a sponge city construction technology guide and rainwater peak flow control standards in a specification for outdoor drainage design (2014 edition). A computing method of bottom drain pipe and downflow weir key parameters is obtained through reckoning according to related hydraulic formulas and rainfall characteristics in humid areas. By means of the method, the defect that in the past, people only take the runoff volume as the control target is overcome, and the method can serve as an important design basis of a southern humid area biological detention facility drainage system and provides a reference for sponge city facility construction in other areas.

The invention discloses an ultra-clean anti-microbial washing machine and a control method thereof. The washing machine includes a cover plate, a dehydrating drum and a motor, wherein the dehydratingdrum is connected with the motor through a dehydrating shaft, the drum wall of the dehydrating drum is gradually unfolded outwards from bottom to top to form a slant angle, and the bottom of the dehydrating drum is sealed; the upper portion of the dehydrating drum is provided with a drainage hole and a centrifugal valve, and a water containing drum is arranged outside the dehydrating drum; the dehydrating drum is provided with a weighing sensor or a water level sensor. According to the washing machine, the inner and outer drum structures and bottom drainage design of existing washing machinescan be completely changed, the inner and outer drums are integrated to form the dehydrating drum with a sealed bottom, and meanwhile, by utilizing the slant drum wall, forming the drainage hole in theupper portion of the dehydrating drum and arranging the centrifugal valve on the upper portion of the dehydrating drum for conducting drainage, it is ensured that the outer bottom structure of the dehydrating drum maintains dry, the problems of stains and microorganism breeding on the inner and outer drum walls of the existing washing machines can be effectively solved, and secondary contamination of clothes can be avoided; moreover, the washing machine does not need to be cleaned frequently, and is capable of saving water and providing more convenience for users to use.

A modular chest drainage assembly is provided, having a collection module formed from a first base mold. The collection module defines a collection chamber having a patient fluid intake port. The assembly further includes a flow control module formed from a second base mold. A separate flow coupling is attachable to the collection module and flow control module to place the two modules in fluid communication. A pre-assembled pressure regulation module is coupled to the flow control module to regulate the pressure inside the collection module and flow control module. The assembly further includes a face plate, to which the collection module and flow control module are bonded such that the flow control module defines a first fluid flow pathway from the flow coupling to a suction port on the flow control module, for transmitting a suction flow from the collection chamber to the suction port.

The invention discloses a siphon engineering design, belongs to the technical field of siphon engineering designs in water conservancy technologies, and aims to establish an economical flood control and flood discharge engineering design, a slope drainage design, a building drainage design, a water resource utilization design and an industrial liquid energy recycling design. A siphon degasser, a siphon mixer and a siphon vacuum pump system are mounted on a siphon pipeline, so that the siphon process is achieved economically.

The invention discloses a multi-branch horizontal well gas drainage technology in a goaf of coal mine, which comprises the following steps: (1) calculating the height of caving zones and fracture zones on the upper part of the goaf, determining a gas-rich area in the goaf, and determining a location layout plan for drill wells; (2) selecting well structures; (3) selecting a reasonable drilling tool assembly; (4) calculating a wellbore trajectory according to the location layout plan for drill wells in the step (1); (5) selecting appropriate drilling parameters according to the selected drilling tool assembly and formation lithology to be drilled; (6) optimizing structural parameters of main branches of wells referring to the location layout plan for drill wells in the step (1) as well as the length and width of working faces of the goaf; (7) completing the drilling according to the well design; (8) connecting and assembling ground drainage equipment; and (9) determining reasonable negative pressure extraction and gas drainage procedures according to gas concentration and permeability of a drainage interval, and completing the gas drainage in a target area. According to the invention, drainage design parameters of multi-branch horizontal wells are optimized, so that the total amount of gas drainage can be increased.

The invention discloses a gutter inlet with built-in gratings. The gutter inlet comprises a pond, two assembly partitions and two built-in grating parts, and three cover seats are formed on the pond. Three maintenance cover plates are arranged on the three cover seats respectively. The assembly partitions are arranged on the two sides of the pond respectively and divide the pond body into three areas, two areas on the two sides are water inlet areas, and the area between the water inlet areas is a water outlet area. Dirt interception hanging baskets are arranged on the upper sides of the two water inlet areas respectively. Each built-in grating part comprises a II type cast iron grating and a I type cast iron grating, and the two built-in grating parts are mounted on the two assembly partitions respectively. According to the gutter inlet with the built-in gratings, the advantages of being convenient to clear away, facilitating driving, being safe and reliable and the like are kept, meanwhile, the discharge section area is increased, a water inlet is not likely to be blocked, the requirement of articles of the outdoor drainage design specification are met, garbage is effectively intercepted, the urban landscape environment is considered, and the function need for urban road rainwater collection and drainage and road drainage ecological landscape needs are met.

The invention relates to the technical field of road construction for a drinking water source protection zone, and discloses a water collecting, catchment and drainage treatment system for a road crossing a water environment sensitive zone. The system includes the following design steps: the step S1 of non-reservoir zone roadbed drainage design; the step S2 of non-reservoir zone pavement drainagedesign; the step S3 of reservoir zone roadbed drainage design; the step S4 of reservoir zone pavement drainage design; the step S5 of central separator drainage design; the step S6 of central side trench drainage design; the step S7 of pavement internal drainage design. The water collecting, catchment and drainage treatment system for the road crossing the water environment sensitive zone conductscollection, catchment, treatment and drainage of rainwater generated on roads, bridges and tunnels, minimizes the adverse impact of the rainwater on the water source protection zone, and ensures thesafety of water resources in the drinking water source protection zone.

The invention discloses a coal seam macroscopic facture advantage development azimuth prediction method, and belongs to the technical field of the coal main security. The method comprises the following steps: step A, tracking advance of the mining working face, and performing facture photographing on the coal wall of the coal-mining working face and the coal wall of a transportation tunnel to acquire coal wall facture photos; B, processing the coal wall facture photos to highlight pixel display; C, importing the processed coal wall fracture photos into AutoCAD drawing software, and respectively measuring the coal wall facture trace dip information in the 0 to 90 DEG or 0 to -90 DEG according to preset reference azimuth angle; D, drawing the coal wall fracture trace dip angle rose pattern,and dividing the advantage development group; E, according to the advantage development group condition of the step D, predicting the possibly existent fracture face type of the coal seam space; F, establishing the fracture occurrence computation mathematic model according to the space relation between the coal wall of the coal-mining working face and the coal wall of the transportation tunnel; and G, selecting the underground representative coal wall fracture to measure, thereby providing theoretic reference for the coal seam efficient drainage design at a test area.

The invention discloses a control method and device for a dual-drum washing machine and the washing machine. The dual-drum washing machine includes a washing drum and a control panel; and a washing timing button and a drainage mode selection key are fixed on the control panel, wherein the drainage mode includes an automatic mode and a manual mode. The control method includes: receiving a washing time command set by a user through the washing timing button, and controlling the washing drum to wash according to the washing time command; determining if the dual-drum washing machine receives a selection command of the automatic mode pre-selected by the user through a drainage mode selection key or not when the washing drum runs for the washing time and washing is completed; and controlling a drainage device of the dual-drum washing machine to perform drainage according to the selection command of the automatic mode if so. According to the method, the full manual operation of the dual-drum washing machine is changed into a semi-automatic operation through the automatic drainage design, the user experience is improved, and the washing efficiency is improved.

The invention discloses a hidden self-drainage anti-overflow device for a clothing production rinsing sedimentation pool. The invention relates to the technical field of clothing and apparel. The device comprises a pool body, a water inlet pipe is fixedly connected to the left side of the pool body, a water inlet valve is movably connected to the outer side of the water inlet pipe, a drainage pipeis fixedly connected to the right side of the pool body, an anti-overflow dam is arranged on the outer side of the pool body, and a buffer area is arranged in the anti-overflow dam. According to thehidden self-drainage anti-overflow device for the clothing production rinsing sedimentation pool, the anti-overflow design is matched with the self-drainage design; when the water level in a rinsing pool is increased, the height is automatically increased, the liquid in the pool is effectively prevented from overflowing, the safety of the equipment during use is greatly improved, the equipment canautomatically return to the original position after the water level drops, manual reset is not needed, the operation time is saved, the operation difficulty is reduced, the production efficiency is further improved, and the enterprise income is increased.

The invention belongs to an anti-seepage drainage design technology for an aircraft structure, and relates to a design method of an anti-seepage drainage structure for an aircraft fuselage equipment compartment. The design method comprises the following steps: 1) a sealing design at the joint of an opening cover and an opening frame, namely sealing the overlapped area of the opening cover and the opening frame by virtue of a compressible sponge rubber sheet and preventing direct seepage of rainwater; 2) an infiltrated rainwater drainage design, namely arranging an inclined flow guide groove of which the section is U-shaped below an opening of the opening cover of the equipment compartment, connecting the lowest point of the flow guide groove with a drainage pipe for discharging slowly infiltrating water out of the aircraft; 3) an infiltrated rainwater seepage design, forming a plurality of drainage holes in the lowest point of the lower surface of the equipment compartment, and leaking the water infiltrating into the equipment compartment out of the aircraft. According to the design method, the water infiltrating into the equipment compartment is timely discharged when water is effectively prevented; and the design method is simple in implementation process, low in cost, and simple and easy to maintain.

The invention discloses a drainage device comprising a drainage container provided with a liquid storage chamber; the liquid storage chamber is provided with a liquid inlet and a drainage outlet; the drainage container is provided with an opening device which can open the drainage outlet; the drainage container is provided with a monitoring device which can automatically measure and / or record drainage liquid capacity status; or the drainage container is provided with a monitoring device which can automatically measure and / or record drainage liquid capacity status in unit period. The drainage device can automatically and forcedly monitor the drainage data with high precision; and there is no need to operate manually during the monitoring process; the drainage condition can be accurately recorded; the automatic drainage design can effectively reduce the labor intensity of nursing personnel, which has better convenience. The drainage device can be used in the medical device field.

The invention relates to a BIM-based transformer substation heating ventilation and water supply and drainage design method. The method comprises the following steps: S1, constructing a transformer substation BIM three-dimensional model; S2, establishing a heating and ventilation BIM three-dimensional model according to the transformer substation BIM three-dimensional model; S3, establishing a water supply and drainage BIM three-dimensional model according to the transformer substation BIM three-dimensional model; S4, uploading the substation BIM three-dimensional model, the heating and ventilation BIM three-dimensional model and the water supply and drainage BIM three-dimensional model to a server; S5, performing three-dimensional model verification on the equipment on the construction site, and acquiring three-dimensional model modification information; and S7, modifying the heating and ventilation BIM three-dimensional model and the water supply and drainage BIM three-dimensional model according to the three-dimensional model modification information. Compared with the prior art, the BIM three-dimensional model is established, and the collision problem is effectively avoided, and double verification ensures that the three-dimensional model conforms to on-site practice, so that the construction quality and efficiency are effectively improved.

The invention provides a spring pushing type water supply and drainage design pipeline penetrating plate fixing structure, and relates to the technical field of building construction, the spring pushing type water supply and drainage design pipeline penetrating plate fixing structure comprises two groups of lower end covers, and the two groups of lower end covers are located on the two sides of a penetrating plate respectively; the upper end cover is connected to the upper end face of the lower end cover in an inserted mode through a spring pushing clamping assembly, the upper end cover and the lower end cover form a flange-shaped end cover structure, and the outer side of a drainage pipeline is sleeved with the flange-shaped end cover structure; the dismounting operation block is connected to the upper part of the upper end cover in a sliding manner; and the middle block is located in the middle of the two sets of tight supporting blocks, and the drainage pipeline is sleeved with the middle block. According to the pipeline centering device, multidirectional fixing is achieved, the fixing effect is improved, meanwhile, the good centering effect is achieved, the pipeline is effectively prevented from moving, use and operation are easy, the problem that operation is troublesome is solved, and it is difficult to guarantee that the pipeline has good centering performance due to the fact that a flange hole gap is large in the using process.

The invention provides a square well bottom drainage design method. The square well bottom drainage design method comprises the following steps of 1, a square well foundation pit is excavated; 2, water guide blind ditches are formed in the periphery of the bottom of the square well; 3, the water guide blind ditches are backfilled with gravels; 4, a drainage pipe bundle is arranged on the outer side of the square well wall, the bottom of the drainage pipe bundle is connected with the water guide blind ditches, and the top of the drainage pipe bundle is connected with the periphery of the top of the square well wall; 5, a cushion layer is fully poured at the bottom of the square well to seal the bottom and seal and cover the water guide blind ditches; 6, the square well is poured; 7, concrete is backfilled around the well wall of the square well to seal a water body, and the drainage pipe bundle is wrapped in the concrete; and 8, a drainage open trench is built on the periphery of the top of the well wall of the square well, and the drainage pipe bundle is fixed to the trench wall of the drainage open trench. The construction difficulty of a traditional masonry structure square well in a high-water-content stratum can be reduced, and the risk that the square well is damaged by a closed water body in the later period and a wellhead device is flooded due to stratum water seepage can be avoided for a long time.