266results about How to "Solve drainage problems" patented technology

The invention discloses a self-balancing siphon drainage method by using a side slope declining drill hole. A siphon drainage pipe is introduced to the deep part of a side slope through a downward declining hole, a relative height difference between the opening and the bottom of the declining hole is kept less than 9m, and the siphon drainage pipe is introduced to a certain position of a slope surface from the bottom of the declining hole so that a water inlet and a water outlet of the siphon drainage pipe have the same elevation, and water is drained in real time when the water level of a slope body is raised. By adopting the self-balancing siphon drainage method provided by the invention, the condition of draining water at the deep part of the side slope can be realized, the problem of drainage treatment of big landslides can be solved, the low construction cost for maintaining side slope stabilization can be ensured, the earth and stone excavation is unneeded in the treatment process, the implementation process of treatment engineering is simple and easy to operate, drainage measures are favorable in reliability and strong in adaptability, and the power and the frequent management maintenance are unnecessary in the drainage process.

The invention relates to a planting method of famous and precious Chinese herb medicine dendrobium officinale, and the method is characterized in that a cultivation bed of a plantation trough with an undulated bottom is established under a certain facility environment, multiple mixed organic matrixes mainly comprising pine bark are paved, a nondestructive planting technology for stretching tissue culture seedling roots is adopted, and scientific and reasonable dendrobium officinale planting method adopting comprehensive cultivation measures such as a photo and temperature control technology, a fertilizer control technology, an insect and harmful organism nuisanceless control technology and a sustainable harvesting technology is adopted in different growth seasons and for different plants according to the biological characteristics of the dendrobium officinale; and due to the adoption of the method, the ventilation, moisture evaporation and moistening functions of a plant root environment can be enhanced, and harmful substances influencing the growth of the plant can be eliminated in time, so that the plant can grow strong, active components are highly concentrated, the resistance is enhanced, a purpose of high yield and excellent quality can be realized, the high yield and stable yield of the dendrobium officinale can be guaranteed, the product quality is excellent, sustainability for harvesting the dendrobium officinale for multiple years can be realized, and super high yield of fresh products about 600kg per Mu every year can be realized after the method is put into production.

The invention discloses a treatment method and a treatment device for condensed water of a household air conditioner. The method comprises the following steps: when the air conditioner is used for refrigeration, the condensed water generated from an indoor unit of the air conditioner is collected, then is drained to outdoors, and is sprayed on a condenser of an outdoor unit of the air conditioner, the high temperature of the condenser of the outdoor unit of the air conditioner is utilized to evaporate the discharged condensed water and discharge the condensed water into the air, and the temperature of the condenser of the outdoor unit of the air conditioner is reduced at the same time; when the air conditioner is used for heating, the condensed water generated from the outdoor unit of the air conditioner is collected, then is conveyed indoors, and is evaporated by utilizing the high temperature generated by the pipe wall of a radiating pipe during the heating to increase the humidity of indoor air, and the temperature of the radiating pipe of the indoor unit of the air conditioner is reduced at the same time. The device can automatically recover and utilize the condensed water, thereby solving the water drain problem of the condensed water; and the device can protect the environment indoors and outdoors, save energy and reduce consumption, improve the work efficiency of the air conditioner, and can maintain the moisture of the indoor air when the air conditioner is used for heating.

The invention provides a precision humidity control system and a wine cabinet. The precision humidity control system comprises a humidifying module, a dehumidifying module and a controller; the humidifying module is used for ultrasonic humidifying and automatically controls a humidifying water level; the controller controls running of the humidifying module and the dehumidifying module. The invention further provides the wine cabinet with the precision humidity control system. The wine cabinet comprises a box, a door, a refrigerating system and the precision humidity control system; the refrigerating system comprises a compressor, an evaporator and a condenser; the precision humidity control system comprises the humidifying module, the dehumidifying module and the controller; the humidifying module is used for ultrasonic humidifying and automatically controls the humidifying water level; humidifying water for the humidifying module is mainly from condensation circulating water of the evaporator; the controller controls running of the humidifying module and the dehumidifying module. A humidifying unit is modularized, miniaturized and integrated to a liner, no space of the liner is wasted, and when the wine cabinet stops refrigerating, the humidity can still be adjusted to allow dehumidification and precision humidity control.

The invention provides a full road condition ponding water level monitoring alarm and drainage device and belongs to the field of ponding monitoring alarm and drainage devices for traffics. The device is characterized by comprising a road ponding monitoring device, an overpass tunnel ponding monitoring device, a water level monitoring display device, a water level monitoring alarm device and an automatic drainage device. The road ponding monitoring device and the overpass tunnel ponding monitoring device are connected with the water level monitoring display device. The device can monitor the ponding water level of various road conditions in real time, and transmit data to a monitoring center in real time, and the data can also be directly displayed to serve as action reference for municipal administration and passers-by. In addition, the device can drain water intelligently and actively according to the monitored water level data, and urban water logging is avoided.

The invention provides a wine cabinet with a humidification control system. The problem that the humidity inside a wine cabinet existing in the prior art is not controlled well can be solved. According to the technical scheme, the wine cabinet with the humidification control system comprises a refrigerating system and the humidification control system; the refrigerating system comprises a compressor, an evaporator and a condenser; the humidification control system comprises a humidification device, a condensate water recycling device and a controller; the humidification device comprises an ultrasonic humidifier and a water tank; the condensate water recycling device comprises a water containing box arranged at the bottom of the evaporator, the lower portion of the water containing box is provided with a water guiding pipe communicated with the water tank, and the controller controls the running of the humidification device and the condensate water recycling device. The wine cabinet can achieve the purposes of fast humidifying and accurate humidity controlling, is safe, sterile and convenient to use, and satisfies users completely.

The present invention provides the preparation process of nanometer level W powder and WC powder. WO3 powder is first prepared through supersonic spraying and heat conversion process with air of 250-300 deg.c and 2.5-3.5 MPa. WO3 powder is then reduced with H2 into WO2.9 powder, and prepared into coated nanometer WO2.9 powder via high speed interlaminar shearing, coating, grading, depositing and stoving. Through low temperature reduction at 700-750 deg.c inside a reducing furnace with H2 introduced, W powder of average size smaller than 80 nm is obtained. The nanometer W powder is mixed with nanometer carbon black powder and organic isolating agent, and nanometer WC powder of average particle size smaller than 90 nm is prepared through further centrifugal drying, carbonization at 980-1000 deg.c for 60-80 min.

The invention discloses a parallel flow air conditioner, comprising a compressor, a compressor muffler, a four-way valve, an indoor unit, a capillary tube assembly, a top tube of an upper fluid collection tube, an upper fluid collection tube, a flat heat exchange tube and a lower fluid collection tube, wherein a first end of the lower fluid collection tube is provided with a gas-liquid separator, the gas-liquid separator is connected with a check valve, the check valve and the first end of the upper fluid collection tube are connected with the same connector of the four-way valve in parallel. The invention also discloses a processing method of the parallel flow air conditioner. In the invention, the parallel flow technology is adopted, cooling and heating can be realized, and the problems that the flow distribution is uneven, the heat exchange efficiency is low, the volume is large and the cost is high can be solved.

The invention discloses a domain name proxy method, device and equipment and a readable storage medium, and the method comprises the following steps: receiving and analyzing an application data flow transmitted by an application program in a client, and obtaining a forged IP address; querying a corresponding target domain name by using the forged IP address; wherein the forged IP address is an IPaddress fed back to the application program when the application program requests to analyze the target domain name; replacing the forged IP address with a target domain name in the application data stream to obtain a target application data stream; and sending the target application data stream to a proxy server. According to the method, after the IP address is forged, the target domain name canbe reversely found through the forged IP address, so that the method does not need to be limited by a transmission protocol, a large number of routing tables do not need to be added, and the drainageproblem in scenes such as discontinuous distribution of IP addresses of intranet resources can be solved.

The present invention relates to heat insulating sun light house with opening sky light. The sun light house has vertical frame and top frame of aluminum alloy as well as sandwiched glass plates embedded in the frames. The vertical frame consists of columns and beams assembled together; and the top frame consists of rafters and purlins. The top frame is supported on the rack and the vertical frame, and the rack is one angled beam. The present invention may be used widely as house, public building, restaurant, green house, exhibition room, etc.

The invention discloses an extra-long working surface fully mechanized coal mining process, which belongs to the technical field of coal mining. Due to the adoption of the process, a fully mechanized mining working surface can be 1,500-3,000 meters in length. The process comprises the following steps of: arranging a hydraulic bracket 13 in an open-off cut, arranging scraper conveyors 14 below front and back top beams of the bracket 13, making a drum coal cutting machine 12 ride on a coal blocking side rack of the front scraper conveyor 14 on the working surface, driving the drum coal cutting machine 12 to walk on a front slipping rack under the action of electric traction through walking teeth, cutting the coal wall of the fully mechanized mining surface by using the drum coal cutting machine 12, making cut coal wall coal briquettes fall into the front scraper conveyor 14, and transporting out of the working surface; and injecting a liquid into top coal on the working surface through the hydraulic bracket 13, supporting a top beam, applying pressure to a top plate, crushing top coal, lowering a back beam of the bracket 13, making crushed top coal fall into a back scraper conveyor 14 from a coal feeding port behind the bracket 13, transporting coal to a reversed loader through a back scraping plate 14, and transporting coal out of the working surface through the reversed loader, the crusher and a belt conveyor.

A parallel-connected elevated road is used for the reverse drive of vehicles and mainly works for urban public transport, and an island type stop is arranged in the middle of the road. The width control of the island type stop of the parallel-connected elevated road is beneficial to saving land and reducing the project cost, and has a method comprising the following step: a stand column of a shelter is arranged at both sides of a platform. Accordingly, spaces of getting on and off the vehicle, waiting for the vehicle, walking and transferring for passengers in the island type stop are wide, and the shelter has reasonable stress and stable and firm structure and is suitable for mounting a contact plate for charging an electric automobile under the shelter.

The invention relates to a roadway rainwater collection system which comprises flow guide channels formed in the two sides of a roadway along the length of the roadway, wherein a plurality of water storage tanks are arranged at the lower parts of the flow guide channels and are over against the flow guide channels; filtering layers are arranged between the water storage tanks and the flow guide channels; the water storage tanks are arranged at an interval of 20-30 meters in the length directions of the flow guide channels; a water tank communicating pipe is connected between the two adjacent water storage tanks. According to the system, the structure is easy to realize, the drainage problem of the roadway is solved, diffused rainwater on the roadway can be fed to an underground part to replenish underground water, the rainwater is collected for providing domestic water for people, natural resources are reutilized, the purposes of protecting an environment and saving energy are achieved, a very good practical value is obtained, the natural environment can be effectively protected, and the domestic water problems of water-deficient areas are solved.

The invention discloses a refrigerator, wherein an evaporator (11), a thaw water removal device (12), a condenser (13) and a water receiving tray (14) are arranged in a refrigerator body; the thaw water removal device (12) is arranged between the evaporator (11) and the condenser (13), and comprises a thaw water drain pipe (120) and a seal chamber (121); the seal chamber (121) is communicated with the defrost water drain pipe (120); and the bottom of the seal chamber (121) is provided with a drainage hole (122). The invention also discloses the thaw water removal device (12). In the invention, the disclosed refrigerator with the defrost water removal device effectively solves the problems of drainage and sealing, and simultaneously effectively uses defrost water with lower temperature to cool the condenser, thus improving the heat exchange efficiency, improving the evaporation efficiency of the defrost water and the performance of the refrigerator and reducing material consumption.

The invention discloses a construction method of a water drainage uplift pile which has the water drainage function and the uplift characteristic at the same time. The construction method is characterized by comprising the following steps: excavating a foundation pit, constructing a retaining wall, drilling holes, conducting slip casting and pouring a bearing platform. The construction method is simple, high in operability and obvious in economic benefit. A soil engineering bag is used, therefore, the diameters or the wall thicknesses of an impervious reinforced concrete pile and a pervious plain concrete pile can be effectively controlled, and corrosion and damage of underground water to reinforcing steel bars can be effectively avoided. Meanwhile, compared with other water drainage piles, the water drainage uplift pile has the advantages that the uplift bearing capacity can be provided, the pervious concrete part which can drain water can synchronously provide the functions of the compression bearing capacity and the soil lateral pressure, and the aims of water drainage and the uplift bearing capacity are effectively achieved.

The invention discloses an automatic drainage anchor rope system for slope protection and a construction method thereof. The automatic drainage anchor rope system has anchor rope reinforcement and drilled hole drainage functions at the same time, the effect that one hole has multiple purposes is achieved, and the slope safety coefficient is greatly increased under the same construction cost. The automatic drainage anchor rope system comprises a drilled hole, a steel strand, an isolating pipe, a water-pervious pipe, a water swelling rubber water stopping ring, a drainage pipe, a protective pipe, cement mortar and an outer anchor head; underground water infiltrates into the gap between the water-pervious pipe and the isolating pipe through a drainage section, so that the water pressure in the gap is increased, when the water head of a water inlet of the drainage pipe is higher than the elevation of an opening of the drilled hole due to the fact that the water level of the underground water rises, the underground water in the gap naturally flows out from the drainage pipe, syphonage is naturally started, and the underground water in a slope is discharged. The drainage work process is conducted circularly along with falling of rain, the pump drainage effect of the drainage pipe changes periodically and circularly, long-time efficient real-time continuous drainage of the system is achieved, and the drainage governance problem of large-scale landslide is solved.

The invention relates to an exhaust valve, and provides an exhaust valve with dual control chambers and dual floating bodies. A sealing floating body is arranged at an exhaust port of a valve base of a lower valve cover and connected with a lower floating rod in a telescopic floating rod. An upper floating rod in the telescopic floating rod passes through an internal valve base of a valve body and is connected with the upper floating body. A locating slot is formed in the outer side of the lower side of the upper floating rod, and a locating pin matched with the locating slot is further arranged on the outer side of the lower floating rod. The lower floating body is arranged in the middle of the lower floating rod, sealing gaskets are arranged on the lower floating body, and a sealing gasket and spring bases are also arranged on the upper floating body. Groove spring bases are arranged on the lower side of an upper valve cover, an exhaust hole is further formed in the middle of the upper valve cover, and buffer springs are arranged between the spring bases of the upper floating body and the groove spring bases of the upper valve cover. A filter screen is further arranged at a water inlet end of the lower valve cover and is fixed with fixing clamp rings. Debris can be prevented from entering into the valve body, the safety of a water delivery pipeline can be guaranteed, and the exhaust valve with dual control chambers and dual floating bodies is good in sealing property, simple in structure, convenient to maintain and long in service life and also has a filtering function.

The invention relates to a thick and ultra-soft soil embankment. The thick and ultra-soft soil embankment comprises an embankment body, a cemented soil separating wall, reinforced area solidified cemented soil, transition area solidified cemented soil, a drainage blanket, cross-shaped prefabricated joints, separating geotechnical cloth, a reinforced concrete grid plate, linear prefabricated joints, ribbed slab piles and quick grouting equipment. The ribbed slab piles penetrate the reinforced area solidified cemented soil to arrive at an ultra-soft soil layer, vertical connection ribs B are bent by the ribbed slab piles on fixed positions to serve as carrying steel of rib bodies on a prefabricated slab pile foundation, and the rib bodies are provided with round holes; and rectangular anchoring steel plates and round anchoring steel plates are arranged and used for integrally anchoring vertical connection ribs A and the vertical connection ribs B. The thick and ultra-soft soil embankment has the beneficial effects that through the reinforced area solidified cemented soil, the transition area solidified cemented soil, rigid piles and the reinforced concrete grid plate, the integral stress of the embankment is improved, differential settlement of a foundation is greatly reduced, and the drainage problem of the post-construction foundation is effectively solved through vertical drainage bodies and the drainage blanket.

The invention relates to the field of environmental protection, and discloses a sand dune slope greening recovery device. The sand dune slope greening recovery device comprises an ecological bag, a connecting buckle provided with a pawl, a drainage pipe, a soil improvement fiber composition, vegetation seeds and an anti-erosion fiber composition. The ecological bag has excellent physical performance, good water-permeating performance and good ultraviolet ray resistant performance. The sand dune slope greening recovery device well satisfies soil and nutrient substances needed by the growth of sand dune slope plants to achieve the purpose of restoring a natural environment, protecting ecological balance and beautifying the environment, the growth of the plants is promoted, twisted and gnarled root systems effectively fix a sand dune, the growth of the plants years after years effectively improves the sandy soil layer, the ecological circulation is improved, and a certain noise reductionand dust removing effect is achieved.

The invention relates to the field of environmental protection and discloses an ecological bag and a rock slope re-greening device. A preparation method of the ecological bag comprises the following steps: (1) mixing polypropylene fiber colloidal particles and anti-aging polypropylene master batches, so as to obtain a mixture; (2) heating and fusing the mixture of the step (1), carrying out extrusion to form filaments, and carrying out oiling, traction, crimpy cutting and drying formation, so as to obtain an anti-aging polypropylene short fiber; and (3) carrying out loosening, carding, lapping, needling, heat setting and winding on the anti-aging polypropylene short fiber, so as to obtain the ecological bag. According to the ecological bag and the rock slope re-greening device, the technical defects that an unaesthetic structure is formed, the ecological environment is easily damaged, and the covered structure is unsteady after a rock slope is covered by virtue of existing lattice girder method, slurry stone-laying method and guniting method are effectively solved.

A method for sealing underground water in a karst tunnel with high water pressure and large flow rate, comprising the following steps: ① Using geophysical prospecting and drilling to determine the water pressure and water volume; ② Carrying out diversion construction for leaking water; ④ Random grouting reinforcement of the surrounding rock of the tunnel; ⑤ Layered sealing from near to far, top to bottom; ⑥ Sealing and sealing construction of the final water leakage point. The invention solves the plugging and drainage problems of high water pressure and large flow karst tunnels, and reduces the risks of construction and later operation.

The invention provides an ultra-large hole-diameter drilling shaft drilling method, and belongs to the technical field of coal mining. The ultra-large hole-diameter drilling shaft drilling method is mainly used for solving the problems that according to the shaft construction technology in the prior art, due to constraint of systems such as a lifting system and a drain system, mechanical advancement cannot be carried out on a working face, the construction period is long, and the amount of safety hidden danger is large. The ultra-large hole-diameter drilling shaft drilling method comprises the steps of (1) carrying out drilling, (2) expanding a wellhead in an excavation mode, carrying out construction of a foreshaft, (3) installing devices, constructing a shaft foundation wall, installing a slag conveying device, (4) carrying out hole expansion to form a shaft, and (5) carrying out lining on a shaft wall. The ultra-large hole-diameter drilling shaft drilling method solves the drain problem which has the highest influence on the shaft construction, and omits a drain device of the working face, working procedures are carried out in a non-ponding environment, most of rock slag can automatically slide away, and conditions can be provided for mechanical operation of shaft sinking.

The invention provides modified emulsified asphalt as well as a preparation method and application thereof. The modified emulsified asphalt is prepared from the following component raw materials: 100parts by weight of emulsified asphalt, 0.05 to 0.1 part by weight of graphene, 2 to 6 parts by weight of modifier, 5 to 15 parts by weight of modified polyvinyl alcohol solution, 1 to 4 parts by weight of aid and 0.5 to 2 parts by weight of retarder, wherein the size dimension of the graphene is 0.5 to 3mu m and the thickness is 0.05 to 1.2nm. Compared with the prior art, the preparation method ofthe modified emulsified asphalt, disclosed by the invention, has the advantages that excellent properties of the graphene are utilized and are matched with certain use amounts of the components and colloid in the emulsified asphalt, and thus a high-strength grid skeleton structure is formed and further the modified emulsified asphalt with good layer sealing and crack repairing effects as well ashigh water damage resistance is obtained. An experimental result shows that the modified emulsified asphalt provided by the invention can be used for layer sealing and crack repairing of pavements, has better repair effects on disease cracks, and can be used for effectively solving the problems of pavement drainage difficulty and water damage.

The invention discloses a strong draining and seepage-based upstream type tailings pond fill dam. The strong draining and seepage-based upstream type tailings pond fill dam is built by an upstream type damming method on the basis of a two-level dam structure of a tailings pond, wherein the two-level dam structure comprises a primary dam and a seepage-prevention dam; fine-grain tailings are piled up in an upper pond of the seepage-prevention dam, and coarse-grain tailings are piled up in a lower pond between the primary dam and the seepage-prevention dam; a tailings pond bearing body is formed by the coarse-grain tailings under the action of hydraulic classification; the seepage-prevention dam is taken as a dividing line for the upper pond and the lower pond, and the seepage lines of the upper pond and the lower pond intersect on the seepage-prevention dam. The damming technology of the tailings pond fill dam comprises the following steps: firstly, constructing to build the seepage-prevention dam to cause the upper pond to form a coarse-grain tailings depositing beach; then, constructing the primary dam in the downstream area of the seepage-prevention dam, respectively piling up the fine-grain tailings and the coarse-grain tailings in the upper pond and the lower pond, and lifting the fine-grain tailings to the upper pond by a pump ship in a temporary stagnant area in the upstream area out of the depositing beach; finally, the tailings are piled to a final elevation by an upstream type damming method. The strong draining and seepage based upstream type tailings pond fill dam is favorable for further improving the safety and the economy of the tailings pond by combining with the advantages of the upstream type damming method.

The invention relates to a method for dyeing a fabric by using a reactive dye and soaping the fabric dyed by the reactive dye, and equipment. A hydrolyzed reactive dye in dyeing and soaping liquid is decolorized by a decolorizing technology and then recycled. According to the method, a decolorizing device is connected with soaping equipment in the dyeing and soaping processes, the soaping liquid is forced to pass through the decolorizing device and be subjected to a closed cycle in a dye vat and the decolorizing device during dyeing and soaping, the hydrolyzed dye which is eluted from the fabric in the soaping liquid is continuously adsorbed or decomposed by the decolorizing device, and the eluted hydrolyzed dye is completely removed after the cycle is performed for a certain period of time, so that the process of soaping the fabric dyed by the reactive dye is finished. The used equipment comprises reactive dye dyeing equipment and the hydrolyzed dye decolorizing device which are connected in series with each other, wherein the hydrolyzed dye decolorizing device is provided with an on-line automatic control system which automatically controls the operation of a cycle decolorizing system through a signal output by a chroma detector in the dyeing equipment. The method has the advantages of water and energy conservation, low operation cost and the like.

The invention provides a proton exchange membrane fuel cell for testing, and relates to the technical field of fuel cells. The proton exchange membrane fuel cell for testing comprises an upper end plate 1, a cathode plate 10, a membrane electrode 11, a partition plate 6, an anode plate 12 and a lower end plate 4, wherein the partition plate 6 is attached between the upper end plate 1 and the lowerend plate 4, and the partition plate is provided with a stepped hole 9, a gas dispersion area 8 and a conductive groove 7; the cathode plate 10, the membrane electrode 11 and the anode plate 12 are sequentially attached and packaged in the stepped hole 9, the upper end plate 1 is in direct contact with the cathode plate 10, and the anode plate 12 is in direct contact with the lower end plate 4; and the membrane electrode 11 is hermetically connected with a step end surface 92 of the stepped hole 9. According to the invention, the partition plate structure is additionally arranged to play a role of a sealing frame, so that the sealing problem of a bipolar plate of the fuel cell for testing is solved; the partition plate is provided with the gas dispersion area to promote uniform distribution of gas; and the problem of battery drainage is solved through a conductive groove plate.

The invention discloses a three-dimensional tailing pond seepage system and a seepage method thereof, and the system and the method are used for solving the problem of common tailing pond seepage effect in the prior art. The three-dimensional tailing pond seepage system comprises a flexible permeable hose vertical to a dam axis and a horizontal drain pipe parallel to the dam axis, wherein the inner end of the flexible permeable hose is communicated with the horizontal drain pipe. The flexible permeable hose, the horizontal drain pipe, a bank slope seepage body and a pond bottom seepage body are utilized for collecting water or separately collecting water, and water in the seepage system is guided out of a dam. The system can be used for cleaning and dredging, can be arranged and built in a tailing pond design stage and constructed in an operating stage, can be used for thoroughly solving the tailing pond seepage problem from the design, construction and operating stages, and is good in seepage effect, convenient in maintenance management, economical and durable.

The invention provides a washing-machine filtering device, a washing machine with the same and a control method thereof. The washing machine comprises at least two independent-operation washing devices, and the washing devices comprise washing cylinders; the filtering device comprises a shell with a cavity in the inside, a plurality of water inlets and at least one water outlet which are communicated with all the washing cylinders respectively are formed in the shell, and filtering mechanisms are arranged in cavities between the water inlets and the water outlets. By means of the washing-machine filtering device, filtering of washing water in all the washing devices of the multiple-roller washing machine is achieved, the filtering mechanisms of all the washing devices are integrally installed in the shell, the installing space is saved, an opening only needs to be formed in the front face of the washing machine, taking and installing of the filtering mechanism can be achieved, a user conveniently cleans the filtering devices in real time, and the filtering effect is guaranteed.

The invention discloses a ribbed waterproof and water-draining coiled material and a construction method thereof. The ribbed waterproof and water-draining coiled material comprises a waterproof layer,a supporting layer and a water-draining layer, wherein the supporting layer is positioned between the waterproof layer and the water-draining layer; and the waterproof layer, the supporting layer andthe water-draining layer are connected integrally. The waterproof layer, the supporting layer and the water-draining layer are simultaneously arranged on the ribbed waterproof and water-draining coiled material, so that the ribbed waterproof and water-draining coiled material simultaneously has functions of improving foundation or roadbed carrying ability, obstructing underground water and solving the problem of water drainage of a foundation or a roadbed, then uneven sedimentation of the pavement of the foundation and roadbed is reduced, reflection cracks between structure layers of the pavement of the foundation and roadbed are prevented, the stability of the integral structure of the foundation and roadbed is improved, and the service lives of a building structure and a road are prolonged.

The invention discloses a sand control flowback process after shale gas horizontal well fracturing. A 2mm oil nozzle is adopted for carrying out well opening liquid discharge on a fractured shale gashorizontal well, the well opening pressure changes are recorded, and if the pressure drop rate within continuous 10 hours is lower than 0.05MPa / h, the oil nozzle is increased to a 3mm oil nozzle for draining; after well opening draining is carried out for 72 hours, and measures are taken according to whether gas breakthrough appears or not; if gas breakthrough does not appear, according to the well opening pressure, the pressure in the well bottom seam is calculated, and if the pressure in the seam is larger than the closing pressure of the regional stratum, the 3mm oil nozzle is continuouslyadopted for draining until the stratum is closed; if the pressure in the seam is smaller than the regional stratum closing pressure, at the moment, the stratum is closed, if gas breakthrough appears,the oil nozzle is directly increased to a 4mm oil nozzle for draining, on the premise that the sand production does not appear in the stratum, when the pressure drop rate is lower than 0.2 MPa / h within continuous 12 hours, the oil nozzle is increased stage by stage with 1 mm as the unit to the test work system, and the well test yield is solved. According to the method, in the flowback process, the crack closing degree, the gas and liquid ratio and the well cylinder flow state are judged in real time, the flowback system is optimized in real time, and the shaft sand production rate at the flowback primary period can be effectively controlled.