69results about How to "Time adjustable" patented technology

The invention discloses a reservoir bank water level change and slope angle variable landslide model test device and method under an earthquake and rainfall coupling effect, and belongs to the field of slope engineering landslide disaster tests. The device comprises a model box, a rainfall system, an electric lifting system and a deformation monitoring system. The model box comprises a bottom plate, front, back, left and right side plates and an internal permeable plate. The rainfall system comprises a water storage tank, a water pump, a water supply main pipe, an electronic control main valve, a flowmeter, a nozzle, a rainfall system bracket and a jack. The electric lifting system comprises a servo motor, a bearing and a belt. The deformation monitoring system comprises a three-dimensional laser scanner. The method comprises: jacking the rainfall system support to a proper height, filling the model box with soil, then lifting the model box to a designated angle, simulating the rainfall working condition, starting the vibration table, and monitoring slope deformation through the three-dimensional laser scanner in the testing process. Simulation of various rainfall working conditions is achieved, the landslide model is adjusted at any angle, and landslide tests with different inclination angles are achieved.

The invention relates to a high pressure-resistant leak stoppage agent and leak stoppage slurry containing the same. The high pressure-resistant leak stoppage agent consists of the following components in percentage by mass: 25.0 to 27.0 percent of soybean particles, 31.0 to 32.0 percent of walnut shell flour, 7.1 to 7.5 percent of vermiculite, 2.1 to 2.5 percent of peanut hull meal, 22.0 to 22.5percent of cement and 10.0 to 11.0 percent of flocculation coating agent LHB-105 for drilling fluid. The leak stoppage slurry consists of base slurry and the high pressure-resistant leak stoppage agent, wherein 3 to 9 grams of high pressure-resistant leak stoppage agent is added into every 100 milliliters of base slurry. The leak stoppage agent and the leak stoppage slurry stop leaking by combining chemical leak stoppage with particle bridging leak stoppage, so that the technical problems of aperture leak, crack leak and fracture leak under a well can be solved. The leak stoppage agent and the leak stoppage slurry are suitable for severe well leakage caused by a pore formation, a crack formation, a long-section broken formation and the like and can be applied to leak layer construction ofwhich the leak position is difficultly determined.

The invention relates to an intelligent device for voltage dip protection, in particular to a voltage dip protection intelligent module adaptive to all electromagnetic type alternating current contactors. The module does not requires to change the structure of the alternating current contactors, adopts a switching power supply as well as voltage dip direct current startup, low-voltage direct-current maintenance and energy-saving and soundless operation, and has the characteristics of fault display, alarming, adjustable protection time, high generality and the like.

The invention relates to a method for exploiting natural gas hydrate through parallel horizontal well microwave heating and belongs to the technical field of exploitation of natural gas hydrate. The method comprises the following steps: arranging a parallel horizontal well net and performing matched well-completion operation on a target storage by combining geological data, implementing depressurizing production through the horizontal well after well completion until no economic benefit, arranging a ground supply system and an underground microwave heating system on a heat supply well, heatinga natural gas hydrate layer by a microwave heater, and collecting natural gas and produced water from a production well. The parallelly distributed horizontal wells are arranged for the target storage, so that the storage quantity of the available natural gas hydrage is increased; the storage is heated movably by using a continuous oil pipe and the microwave heater; optimal exploitation of the natural gas hydrate storage can be realized by changing the heating position, the heat output power and the water discharging and gas producing speed, the gas production efficiency can be improved and the economic benefit can be increased.

The invention discloses a smart street lamp, a system, a control terminal, an aircraft, a control method and a medium. According to the control method, a flight control signal recognizable to the aircraft is sent through each smart street lamp, so that a flight control region is formed within the coverage of the flight control signals, wherein the flight control region is used for controlling theflight action of the aircraft in the region. Through the control method, regional control over the aircraft is realized, the range and time of the flight control region are adjustable, and blind flight of the aircraft is effectively controlled.

The invention discloses a natural gas hydrate parallel horizontal well microwave heating mining method and belongs to the technical field of natural gas hydrate mining. The method includes the steps that in combination with geological data, a parallel horizontal well network is arranged for a target reservoir; matched well-completion operation is performed; after well completion is finished, depressurizing mining is performed through the horizontal wells till no economic benefit exists; after depressurizing mining is finished, fracturing operation is performed on the horizontal wells; then a ground supply system and an underground microwave heating system are arranged at the heat supply wells; and a natural gas hydrate layer is heated through a microwave heater, and natural gas and produced water are collected from the producing wells. The natural gas hydrate parallel horizontal well microwave heating mining method is suitable for the reservoir which is poor in communication property,rich in storage and low in natural gas hydrate saturability; the reservoir can be movably heated through a continuous oil pipe and the microwave heater; and by changing the heating position, heat output power and drainage gas recovery speed, optimal mining of the natural gas hydrate reservoir can be achieved, the gas mining efficiency can be improved, and the economic benefits are improved.

The invention discloses a method for exploiting natural gas hydrates by means of hot water injection by the aid of row type horizontal wells, and belongs to the field of technologies for exploiting natural gas hydrates. The method includes arranging row type horizontal well networks for target reservoirs by the aid of geological data and carrying out matched well completion operation for the target reservoirs by the aid of the geological data; carrying out depressurization exploitation by the aid of the horizontal wells after well completion is carried out until economic benefits are unavailable; carrying out fracturing operation on the horizontal wells after decompression exploitation is carried out; arranging ground supply systems and downhole movable electric systems at water injectionwells; injecting hot water into the natural gas hydrate reservoirs by the aid of the water injection wells; collecting natural gas and produced water from production wells. The method has the advantages that the method is applicable to reservoirs with poor formation communication, high reservoir thicknesses and low natural gas hydrate saturation; the reservoirs can be movably heated by the downhole movable electric heating systems, the heating locations, heat output power and the water drainage and gas production speeds can be changed, accordingly, the natural gas hydrate reservoirs can be optimally exploited, the gas production efficiency can be improved, and the economic benefits can be increased.

The invention discloses hot press molding equipment, which comprises a frame. The equipment is characterized in that the frame is provided with a heating fixing device provided with an upper workbench and a lower workbench, and the opposite faces of the upper and lower workbenches are respectively provided with an upper die and a lower die; the frame is installed with an upper movement mechanism and a lower movement mechanism, the upper movement mechanism passes through the heating fixing device and is in transmission connection with the upper workbench, and the lower movement mechanism passes through the heating fixing device and is in transmission connection with the lower workbench; frame at the side of the lower workbench is provided with an auxiliary workbench which is composed of a left part and a right part; and the lower part of the frame is provided with a controller, the controller is connected with a control panel, and the control panel is provided with a plurality of keys and a current meter and a voltage meter. The hot press molding equipment has the advantages of simple structure, ingenious design, reasonable layout and convenient operation, shortens the processing procedure, ensures no deformation of the sheet material, and can complete the multiple steps in one operating table.

The invention discloses a natural gas hydrate parallel horizontal well hot-water-injection mining method and belongs to the technical field of natural gas hydrate mining. The method includes the stepsthat in combination with geological data, a parallel horizontal well network is arranged for a target reservoir; matched well-completion operation is performed; after well completion is finished, depressurizing mining is performed through the horizontal wells till no economic benefit exists; after depressurizing mining is finished, fracturing operation is performed on the horizontal wells; then aground supply system and an underground movable electric heating system are arranged at the water injection wells; and hot water is injected into the natural gas hydrate reservoir through the water injection wells, and natural gas and produced water are collected from the producing wells. The natural gas hydrate parallel horizontal well hot-water-injection mining method is suitable for the reservoir which is poor in communication property, rich in storage and low in natural gas hydrate saturability; the reservoir is movably heated through the underground movable electric heating system; and by changing the heating position, heat output power and drainage gas recovery speed, optimal mining of the natural gas hydrate reservoir is achieved, the gas mining efficiency can be improved, and theeconomic benefits are improved.

The invention discloses a gastrointestinal flora sampling apparatus which comprises a sampling ball and a shell. The sampling ball is arranged in the shell, the opening in the surface of the samplingball sinks inwards to form a sampling groove, and a sampling port is arranged in the shell; the inner wall of the sampling groove is coated with edible gum; the gastrointestinal flora sampling apparatus further comprises a spring capable of making the shell move relative to the sampling ball. The gastrointestinal sampling apparatus is convenient in use and suitable for timing and locating gastrointestinal tract area for sampling with good compliance and causes little pain to users.

A cold smoking machine relates to a smoking device for fish, meat and the similar food, comprising a refrigerator and a smoke generating chamber arranged at the bottom of the refrigerator, the smoke generating chamber is communicated with the bottom wall of the refrigerator, thus the smoke generated by the smoke generating chamber can enter the refrigerator; in addition, the shell of the smoke generating chamber and the shell of the refrigerator integrated into a whole structure; the smoke generating chamber is a drawer structure which can be drawn, and the drawer can be loaded with wood chips or sawdust, and the drawer of the smoke generating chamber is connected with the wall of the shell thereof by a slide rail; the drawer of the smoke generating chamber is internally provided with a smoke generating controller which consists of a plurality of sets of electric heating parts, a smoking switch, an electric heating part working display device and a circuit board; the smoking switch includes a smoking time regulating knob and a smoking time pause regulating knob. The cold smoking machine has the advantages that: cold smoking can be realized by combining the refrigerator structure and the smoking structure, the temperature, time and smoke amount of smoking can be adjusted, the smoking quality is high, and the taste of smoked products can be adjusted according to personal preference.

A pneumatic valve control mechanism is disclosed, a pneumatic valve comprises a valve body and an upper valve cover, a valve spool, and a valve shaft. The valve spool is provided with a passage. The pneumatic valve control mechanism comprises a rotating cylinder, a cylinder driving actuator, a sealing control mechanism, and a valve spool action position detecting mechanism. The outer walls of thetwo ports of the valve spool are provided with sealing grooves along the circumferential direction, and an inflatable sealing ring is arranged in the sealing groove. A spool intake passage communicating with the sealing groove is arranged in the valve spool along the radial direction. A valve shaft intake passage communicating with the spool intake passage is axially arranged in the valve shaft. The spool intake passage communicates with the inflatable sealing ring. The valve spool is actuated through the cylinder, after the valve spool reaches the set position and the air pressure is controlled to inflate and pressurize the sealing ring, so that the valve meets the requirement for complete sealing. According to the requirements for use, the pressure of the gas entering the sealing ring can be adjusted by a filter pressure reducing valve. The control mechanism of the invention can be used under the working conditions of high sealing performance requirement and abrasion on the sealing surface, thereby achieving the function of safe, reliable and stable operation of the equipment and reducing the maintenance frequency of the equipment.

The invention provides a single-fluid process based silicate water shutoff agent and a preparation method. The water shutoff agent is prepared from the following materials in parts by mass, 50-55% ofwater glass, 3-4% of curing agents, 1.5-2% of filtrate loss reducers, 1.5-2% of enhancers, 0.2-0.3% of thickener and the balance of water. The single-fluid process based silicate water shutoff agent and the preparation method have the advantages that the cost of the prepared water shutoff agent is 76% of that of water shutoff agents TP910 and 10.56% of that of phenolic resin type water shutoff agents; the water shutoff effect is good, and the maximum bearing pressure is 20MP, 22MPa and 25MPa respectively at the temperatures of 30 DEG C, 60 DEG C and 80 DEG C; multiple production methods can beselected, and actual production and use can be adjusted in time; the obtained water shutoff agent system is stable; field operations are simple; the prepared water shutoff agent is carried to a construction site by a tank car for the water shutoff agent, and is pumped into the stratum during construction directly; generated colloids have high strength, stable shape and small shrinkage deformation, and permeable layers can be sealed for a long time.

The invention provides a servo ring shaping machine for a wind protection ring. The servo ring shaping machine comprises a disc part and shaping parts; the shaping parts are located on the two sides of the disc part; the disc part and the shaping parts are all connected with a servo electrical power system; the disc part comprises an upper disc and a lower disc, the lower disc is provided with a wind protection ring sleeve base which is sleeved with the to-be-shaped wind protection ring, and the upper disc moves up and down in the vertical direction; and each shaping part is composed of a horizontal push-pull air cylinder and a rolling wheel groove which is internally provided with a plurality of shaping rolling wheels, the shaping rolling wheels are divided into circularity shaping rolling wheels and perpendicularity shaping rolling wheels, the circularity shaping rolling wheels are horizontally arranged, and the perpendicularity shaping rolling wheels are vertically arranged. According to the servo ring shaping machine for the wind protection ring, the characteristics that aluminum profiles are soft and easy to be subjected to secondary shaping are unitized, so that a wind protection ring workpiece is shaped and corrected to be circular through matching and mutual rotating and squeezing of the shaping rolling wheels and a center disc.