161results about How to "Timely drainage" patented technology

The invention provides a method for planting Chinese yam. The method comprises the following steps of (1) land selection, seed selection and disinfection, (2) soil preparation and furrowing, (3) sowing, (4) bud picking, base fertilizer applying and top application, (5) water management, (6) pest control and (7) harvesting. The method for planting the Chinese yam solves the practical problems, hindering large area development of the Chinese yam, that diseases are easy to infect during close planting, top application difficulty is large, furcation occurs in tuberization, has the advantages of being wide in applicability, straight and even in tuberization of planted Chinese yam, high in per unit yield and good in quality, and can achieve high-yield, high-quality and high-efficiency cultivation.

The invention discloses a facility of conducting intelligent drainage along with changes of the water level. The facility comprises a machine shell. A transmission cavity is formed in the left end ofthe interior of the machine shell, a lifting cavity is formed in the right side of the transmission cavity, and a channel which communicates with a sewer is formed in the lower end of the interior ofthe machine shell. A transmission mechanism which provides the power for the device is arranged in the transmission cavity, a lifting mechanism which has a lifting effect is arranged in the lifting cavity, and an auxiliary drainage mechanism which quickens drainage is arranged at the lower end of the interior of the lifting cavity. A floating cavity with a leftward opening is further formed in theleft end of the interior of the machine shell, and a water level sensing mechanism which senses the water level is arranged in the floating cavity. When the facility works, the height of the water level can be automatically sensed, and the facility can conduct timely drainage in two stages along with the increase of the height of the water level. When the height of the water level is slightly increased, but the increase is a few, the facility can conduct drainage in the mode that a valve is opened. When the height of the water level is increased to a large height, the facility can conduct timely drainage in the mode that the auxiliary drainage device is opened.

The invention relates to a live broadcast room cover updating method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring current state information of a live broadcasting room; when the current state information reaches a preset condition, acquiring a wonderful fragment corresponding to the live broadcast room; and updating the live broadcast cover of the live broadcast room according to the wonderful fragments. According to the technical scheme disclosed by the invention, the effect of timely drainage can be realized based on the current state information of the live broadcasting room; and the live broadcast room cover can be dynamically updated and can also be prevented from being frequently updated.

The invention relates to a medical appliance for treating wound surfaces, in particular to an atomization administration and intermittent vacuum sealing drainage (VSD) device for wound surfaces, which comprises a coating material, a drainage tube and a negative pressure source, wherein one end of the drainage tube, which is provided with a side hole, is inserted into the coating material, and the other end of the drainage tube is connected with the negative pressure source. The device provided by the invention is characterized by also comprising an ultrasonic atomizer and an atomized gas introducing tube, wherein one end of the atomized gas introducing tube is connected with the ultrasonic atomizer, and the other end of the atomized gas introducing tube, which is provided with a side hole, is inserted into the coating material. The VSD technology is used by the device for forming a relatively sealed space on a wound surface, and ultrasonic atomized gas is injected between every two times of VSD, so that the wound surface is in a wet, low-oxygen and weakly acidic environment, thereby being favorable for repairing the tissues of the wound surface.

The invention relates to a multifunctional culture water drainage strobe. A barrel-drain is arranged at a position outside a culture pond filled with the culture water and lower than the bottom of a drainage port of the culture pond; the drainage strobe comprises an outer sleeve arranged in the culture pond; the lower part of the outer sleeve is provided with a water through hole groove; the bottom of the culture pond inside the outer sleeve is provided with a drainage port; one end of a drainage concealed conduit arranged below the bottom of the culture pond is communicated with the culture pond through the drainage port; an inner insertion tube arranged in the outer sleeve can be inserted into or pulled out of the end of the drainage concealed conduit; a swing type water level control tube arranged in the barrel-drain can be inserted into or pulled out of the other end of the drainage concealed conduit; the water level control tube inserted into the drainage concealed conduit can swing around a connecting point between the water level control tube and the drainage concealed conduit; the top ends of the outer sleeve, the inner insertion tube and the water level control tube are all opening ends; and the top end of the inner insertion tube is lower than that of the outer sleeve. The strobe has the characteristics of automatic control of water level, good sealing performance, effective drainage of culture water at the bottom layer, timely drainage of redundant water in disaster weathers, simple and convenient construction and the like.

The invention discloses an intelligent control system for a multifunctional rainwater regulation and storage pond. The system comprises a field layer, a monitoring layer and an internet layer; the field layer comprises a regulation and storage pond water inlet valve, a regulation and storage pond liquid level meter, a water quality detector, a water pump, a water outlet tank liquid level meter, aclean water pump, a shut-off valve, a drain pump and a three-way valve; the monitoring layer comprises a PLC, a switchboard and an engineer station, the PLC controls the regulation and storage pond water inlet valve, the regulation and storage pond liquid level meter, the water quality detector, the water pump, the water outlet tank water level meter, the clean water pump, the shut-off valve, thedrain pump and the three-way valve to work, and the PLC is connected with the engineer station through the switchboard; the internet layer comprises a server, and the server is connected with the switchboard. The invention further provides an intelligent control method for the multifunctional rainwater regulation and storage pond. In the intelligent control system and method, appropriate functionsare automatically selected according to current weather conditions, the multi-functionalization of the regulation and storage pond is realized, and the functions of regulation and storage, surface source pollution control and rainwater reuse are integrated in the regulation and storage pond.

The invention relates to a large storage amount water storing and draining plate suitable for roof greening. The large storage amount water storing and draining plate comprises a plastic plate face, honeycomb water storing bottles, communicating grooves, draining holes, supporting columns, non-woven geotextiles and water absorbing belts. The plate face, the water storing bottles, the communicating grooves and the supporting columns are all made of high density polyethylene (HDPE) plastic base plates after stamping. The water storing bottles are arranged on the plate face in a honeycomb mode and connected through the communicating grooves. The water storing space is large, and meanwhile uniform water distributing is achieved. The draining holes are formed in the plate face. The supporting columns are arranged below the plate face. One layer of the non-woven geotextiles is adhered on the plate face and the bottom of the each bottle correspondingly. The water absorbing belts are arranged in the position, of the communicating grooves, of the geotextiles of the plate face and stretch in the bottoms of the bottles in the position of the water storing bottles. The structure is reasonable, forming is convenient, construction is convenient, maintenance is simple, the mechanical property is good, universality is high, system adaptability is strong, and meanwhile the multiple functions of water storing, water draining, filtering, ventilating, heat insulation, noise reduction, root thorns resisting and the like are achieved; and stored rainwater can be utilized to replenish water for a matrix.

The invention discloses a rotation control device for a flip cover type drainer. A connecting rod (4) is fixedly connected on the side wall of the drainer (2); and the rotation control device further comprises a control mechanism which comprises a switch (9), a power supply (5), a controller (8) and a stepping motor (7) connected sequentially, wherein gears (6) are fixed on extension ends of a rotating shaft and the connecting rod (4) of the stepping motor (7), and the two gears (6) are mutually meshed; and the power supply (5) is controlled by the switch (9) to supply power, the controller (8) is used for controlling the rotating shaft of the stepping motor (7) to rotate, and the gear (6) drives the gear (6) on the extension end of the connecting rod (4) to turn over the drainer (2), thereby driving the drainer (2) to form a drainage channel with a drainage hole or be closed completely. The rotation control device disclosed by the invention can automatically control turnover of the drainer, and the drainer does not need to be manually pressed, so that the rotation control device can perform drainage timely, conveniently and rapidly.

A method improving tree plantation survival rate in a severe saline-alkali soil and belongs to the field of saline-alkali greening. The method is characterized by comprising the following steps of (1) properly lifting a ground to an earth mound according to underground water level and saline-alkali degree, (2) selecting high saline-alkali-resistant plant types, (3) ridging for 20 to 40cm along the inclination of the earth mound with a gradient between 15 to 45 degrees and building afforestation fish-scale pits on the ridges according to size of saline-resistant seedlings, (4) applying 4.0 to 8.0kg decomposed cow manure to each fish-scale pit, (5) employing a planting method of burying soil for three-times, stepping for twice and lifting the seedling for once, (6) ridging soil on the periphery of the fish-scale pits to form round sills, and (7) discharging salt along water through an open trench. By the use of the method, garden greening plantation survival rate in the severe saline-alkali (with salt content of 0.5% to 1.5%) can be effectively improved and survival rate can reach more than 70%.

The invention relates to the field of matched cultivation methods preventing stagnant water in upper soil for planting citrus in a rice field, and discloses a wide-bed deep-ditch earthing-up ridging method. The plow pan of the rice field is broken during ridging, the characteristic that the plow pan is hard and retains water is overcome, and the purpose of preventing stagnant water in upper soil for planting citrus in the rice field is achieved; ditches (2) are backfilled with a backfill surface oil layer, a modified soil material layer and a backfill soil layer from bottom to top, and the purpose of making soil fertile is achieved; a surface soil stripping technology is utilized to apply stripped surface soil to land reclamation, loss or waste of the earth surface mellow soil source is effectively prevented, and soil fertility is maintained; drainage channels (1) are dug to form a smooth drainage network, and stagnant water is rapidly drained; field planting points (7) are determinedaccording to the plant and row spacing of 2 meters*5 meters. The method has the advantages of simple soil preparation structure arrangement, convenient implementation and good early fruiting and highyield effect.

The embodiment of the invention provides a method, device and system for water level monitoring and a method, device and system for drainage control. The method for the drainage control comprises the steps that real water level information obtained by a single-chip microcomputer is acquired; the real water level information is the water level information which is sent by a water level sensor and received by the single-chip microcomputer; all the received water level information is sequenced according to a size order of water level values when the water level information of a preset quantity is received; a middle value is worked out and taken as the real water level information; whether the water level values in the real water level information are larger than a preset threshold value is determined; and a water suction pump is controlled to drain away water when the water level value exceeds the preset threshold value.

The invention discloses a garbage incineration power generation-used garbage pool preventing unpleasant odor emission and belongs to the field of garbage disposal. The garbage incineration power generation-used garbage pool preventing unpleasant odor emission comprises a base. A first supporting plate is installed at the upper end of the base through bolts. A circular groove is formed in the right end of the first supporting plate. A cylinder is rotatably connected to the circular groove in a sleeving manner. The garbage pool is fixedly connected to the right end of the cylinder. A pool cover is connected to the upper end of the garbage pool through threads. According to the garbage incineration power generation-used garbage pool preventing unpleasant odor emission, sealed treatment is conducted on garbage through a box type structure; garbage is prevented from emitting unpleasant odors; besides, transparent connecting pipes and a water-collecting tank are adopted to collect water, water amount collected is convenient to observe, timely drainage is benefited, and the situation that garbage at the bottom is soaked because too much water is accumulated is avoided; through the cylinder and a connecting shaft, the garbage pool is installed between the first supporting plate and a second supporting plate; and in addition, the connecting shaft is driven through an electromotor, the garbage pool is convenient to overturn, pouring of garbage is benefited, and garbage is convenient to discharge.

The invention discloses an ecological treatment method for a side slope of a stony desertification area. The method comprises the following steps that (1) slope terrain finishing and danger removal are conducted; (2) the slope is subjected to slope-to-terrace engineering; (3) the side slope is subjected to slope net hanging and anchor rod construction; (4) a drainage system is arranged on the sideslope; (5) through a spray-seeding mode for a loam-similar medium, the side slope is subjected to seed spray-seeding including spray-seeding for a substrate layer and a surface layer of the loam-similar medium; (6) the side slope is subjected to care management, wherein non-woven fabric covers the surface layer of the loam-similar medium and is fastened, and watering, fertilization, prevention and treatment of diseases and pests, seed supplement and later monitoring are conducted. According to the ecological treatment method for the side slope of the stony desertification area, the soil structure is reasonable and stable, the ecological system can be quickly formed, and the method is stable.

The invention relates to the application field of the proton exchange membrane fuel cell technology and particularly relates to a three-dimensional flow field with high-efficiency drainage of a protonexchange membrane fuel cell. The three-dimensional flow field forms a sealing structure between a membrane electrode and a separator, wherein a passage end surface is in the shape of one or more teeth, and fluid holes are formed on two sides of each tooth. The three-dimensional flow field of the invention realizes the purpose of effective water management without using external equipment such asa hydrogen circulation pump, therefore, the pulse discharge amount is greatly reduced, and the gas utilization rate can be effectively improved compared with a conventional two-dimensional flow field.The invention is applicable to a cathode-anode flow field of the proton exchange membrane fuel cell, is especially suitable for an anode side flow field, and has very important meanings for simplifying a battery system and improving the gas utilization rate.

The invention provides a coastal saline-alkali soil ecological improvement system. The system comprises an ecological regulation pond, a culture pond, a platform field, an alkali discharge ditch and a shallow groundwater extraction system, the ecological regulation pond and the alkali discharge ditch are connected with the alkali discharge ditch and a river through ditches, the ecological regulation pond performs rainy season fresh water accumulation and individual rainy year water draining, and the culture pond performs underground water or fresh water supplementing and aquaculture. The platform field is paved with different kinds of straw according to different distances with the pond, the shallow groundwater extraction system provides power by means of blending of wind energy and solar energy to extract shallow groundwater continuously day and night. The invention further provides a matched high-yield cotton planting method. Accordingly, adversity stress of saline-alkali, drought and water logging of coastal saline-alkali soil is significantly changed, and normal growth and development of cotton are promoted; meanwhile, the pest and disease damage is significantly lowered, management is conducted more conveniently, the cotton yield is significantly increased, the cotton quality is significantly improved, and the cotton planting earnings of farmers are directly increased.

The invention discloses a mining multistage intelligent drainage apparatus and method. The apparatus comprises a working face water speed control and drainage unit. The working face water speed control and drainage unit comprises a water speed data acquiring module, a water speed data processing unit, a control unit and a water speed warning unit; the water speed data acquiring unit, the control unit and the water speed warning unit are all connected with the water speed data processing unit. The working face water speed control and drainage unit is capable of monitoring water incoming speed of a water bin throughout the day, quantity basis is provided for pump starting of a regular drainage unit, problems of overflow, overload and switch ageing, caused by frequent start-stop of a centrifugal pump, are decreased, the service life of the centrifugal pump is prolonged, necessary time is provided workers to evacuate from a site, especially in water inrush emergency, and life safety of staff is further ensured.

The invention provides an oxygen generation control system of a PSA oxygen generator. The PSA oxygen generator comprises an air compressor, a freezing dryer and an oxygen generator; an oxygen generation control system of the PSA oxygen generator at least comprises an air tank drainage system, an oxygen concentration adjusting control and alarm system, a freezing dryer control system, a PLC controlprogram and a network control system; the air tank drainage system at least comprises a pressure sensor mounted at the bottom of an air storage tank, a drainage air control valve mounted at the bottom of the air storage tank and a dew point monitoring device mounted at an exit of the air storage tank. In the drainage system of the control system, a pressure sensor and a drainage air control valveare mounted at the bottom of the air storage tank, and a dew point monitoring device is mounted at the exit of the air storage tank; the drainage time and drainage interval of the air tank can be accurately controlled according to the pressure and dew point of the air tank; therefore, the oxygen generation control system of the PSA oxygen generator has the advantages of more accurate control, more stable performance and high safety.