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

Planting method of famous and precious Chinese herb medicine dendrobium officinale

InactiveCN103004421AConducive to accumulation of emissionsAccelerate evaporationHorticultureFertilizer mixturesPlant rootsEvaporation
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.
Owner:MAOMING HUISHENGYUAN BIOLOGICAL SCI & TECH

Domestic air conditioner condensate water processing method and apparatus

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.
Owner:肖克贤

Precision humidity control system and wine cabinet

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.
Owner:HAIER GRP CORP +1

Extra-long working surface fully mechanized coal mining process

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.
Owner:库尔勒金川矿业有限公司

Automatic drainage anchor rope system for slope protection and construction method thereof

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.
Owner:ZHEJIANG UNIV

Exhaust valve with dual control chambers and dual floating bodies

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.
Owner:QUANZHOU YUANLUN AUTOMATIC CONTROL VALVE TECH CO LTD

Thick and ultra-soft soil embankment and construction method

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.
Owner:ZHEJIANG UNIV CITY COLLEGE

Modified emulsified asphalt as well as preparation method and application thereof

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.
Owner:GUANGDONG UNIV OF TECH

Strong draining and seepage-based upstream type tailings pond fill dam and damming technology thereof

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.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD

Method for dyeing fabric by using reactive dye and soaping fabric dyed by reactive dye, and equipment

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.
Owner:GUANGDONG ESQUEL TEXTILES CO LTD

Sand control flowback process after shale gas horizontal well fracturing

ActiveCN110173225AReduce the risk of sand productionReduced risk of sand burying horizontal sectionsFlushingShale gasWellhead
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.
Owner:CHINA NAT PETROLEUM CORP CHUANQING DRILLING ENG CO LTD +1
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