46results about How to "Meet different experimental requirements" patented technology

The invention relates to a device for measuring the saline concentration in saturated soil solution. The present invention is characterized in that the invention comprises a sealed soil bin, and the soil bin is filled with soil; a constant water tank is respectively arranged on the both sides of the soil bin, and a copper wire gauze and a sieve tray are arranged in the two constant water tank near to one side of the soil in sequence; a constant head water tank for controlling the differential pressure is respectively arranged above the two constant water tanks, the constant head water tank on the water inlet side is connected with a pure water storage barrel and a saline solution storage barrel in parallel through a constant flow pump and a reversing valve; a plurality of salinity sensors are embedded in the soil, a plurality of salinity sensors are connected on a plurality of saline concentration data collectors outside the soil by group; a data processor is connected with the data collector, and the data processor is connected with a computer. The operation of the invention is agility, precise dynamic monitoring can be performed for the salinity in the saturated soil solution, and the invention has wider application prospect.

The invention provides a small modularized resistance-capacitance divider comprising an equalizing ring 1, a modularized resistor 2, a modularized distributed capacitive post 3, a modularized low voltage measurement system 4 and a base 5. The equalizing ring 1, the modularized resistor 2, the modularized distributed capacitive post 3, the modularized low voltage measurement system 4 and the base 5 are connected in turn. The modularized distributed capacitive post 3 is packaged in an organic glass shell 3-2. The modularized distributed capacitive post 3 is composed of multiple high voltage capacitors 3-1 through series connection, and the upper and lower ends 3-3 and 3-4 are metal covers. The modularized low voltage measurement system 4 is installed on the metal base 5. According to the small modularized resistance-capacitance divider, a modularized structure is adopted so that the divider is enabled to be simplified in structure and reduced in size and convenient for disassembling, adjustment and replacement of single modules, the measurement range of the divider is enabled to be easy to change to meet different experimental requirements, and disassembling, repair and maintenance are facilitated when faults occur.

The invention discloses an electromagnetically controlled soil sample compactor, comprising a mechanical part and an electric control part. The electromagnetically controlled soil sample compactor is characterized in that the mechanical part includes a frame (2) provided with an upright column on the two sides, a base plate (9) and a beam; each of the two sides of the frame (2) is fixed with a pneumatic cylinder (5) with an electromagnetic reversing valve (11); a U-shaped lifting frame (4) is fixed on the pneumatic cylinders (5) and is vertically provided with a through hole in which a guide rod (3) is formed; a buffer plate (23) is fixed at the bottom of the guide rod (3); an electromagnet component (6) is fixed in the middle of the bottom of the U-shaped lifting frame (4); and an impacting block (7) is mounted on the guide rod (3). The electromagnetic component (6) is electrified to attract the impacting block (7), and meanwhile, the pneumatic cylinder (5) drives the impacting block to ascend to reach the preset height, then the magnet is disconnected, the impacting block (7) falls to impact the buffer plate (23) to complete once compaction for the soil sample in a soil box (10), and continuous impaction and compaction is implemented by repeating the procedure.

The present invention discloses a system and method used for researching an explosive stress wave interaction mechanism. The system is characterized in that a time-delay controller is utilized to send out trigger signals to control a multi-channel pulse igniter, the multi-channel pulse igniter ignites the explosives in explosive charges after receiving the trigger signals, and the explosive explosion generates the explosive stress waves to act on a tested member; the time-delay controller sends out at least two trigger signals simultaneously or orderly to control the multi-channel pulse igniter to ignite the plurality of explosive charges simultaneously or orderly, so that the different explosive stress waves are generated in the tested member simultaneously or orderly; after receiving the trigger signals, the multi-channel pulse igniter discharges immediately at the tip of an igniting probe connected with a signal line to ignite the explosives in the explosive charges to thereby generate the explosive stress waves. The positions of the explosive charges and the explosive quantity can be changed to thereby change the intensities of the explosive stress waves and the superposition situation among different stress waves, so that an experiment loading system has a great flexibility, and can satisfy different experiment requirements.

The invention discloses an airtight pulverizer and application thereof. The pulverizer comprises a sample smashing tank and a non-contact type torque transmission system. The non-contact type torque transmission system comprises a motor, a magnetic rotation shaft and a magnetic transmission coupler. The motor is connected with the magnetic rotation shaft and drives the magnetic rotation shaft to rotate through the magnetic transmission coupler. A shell is arranged outside the magnetic rotation shaft. The lower end of the magnetic rotation shaft extends out of the bottom of the shell and extends into the sample smashing tank. A stirring piece is arranged in the sample smashing tank. The magnetic rotation shaft is connected with the stirring piece and drives the stirring piece to act. The sample smashing tank is connected with the shell of the magnetic rotation shaft in a sealed mode. According to the pulverizer, through the magnetic transmission technology, the external torque transmission efficiency is kept, good sealing, enough power, high efficiency and good effects are achieved when a sample is smashed, operation is easy and convenient, and the airtight pulverizer is suitable for practical use. The gas content of a rock sample can be measured through the pulverizer.

The invention relates to a microbiological detection kit, and belongs to the technical field of microbiological detection. The microbiological detection kit comprises a box bottom, a box wall connected with the box bottom, and a box cover which is connected with the box wall through a trapezoidal embedded structure; the box bottom comprises a heating device arranged in the box bottom, a support arranged on the heating device, and a test tube placing assembly arranged in the support; the heating device comprises an aluminium alloy heat conductive plate, and silicone rubber high temperature insulation cloth and a nicochrome heating wire which are arranged on the aluminium alloy heat conductive plate through bonding; the test tube placing assembly comprises test tube placing columns which areuniformly distributed in the support, first placing holes which are arranged along the axis directions of corresponding test tube placing columns, and second placing holes which are designed to stretch along the two sides of the corresponding first placing holes. According to the microbiological detection kit, the aluminium alloy heat conductive plate is arranged at the box bottom, so that heat radiation range is enlarged, and rapid heating of air is realized; a rotary fan is arranged on the box wall, under the effect of the rotary fan, a cold hot wind circulation field is formed, the temperatures of different points in the box body are ensured to be the same; the box bottom is provided with stepped holes, so that placing requirements of test tubes of different sizes are satisfied; the box cover is provided with a prominent sheet and an arc-shaped fixing sheet, so that it is convenient to open the box cover; operation is convenient; detection environment is ensured; and detection effect is improved.

The invention discloses a litter collector for fresh collection and automatic degradation treatment and an operation method of the litter collector. The litter collector comprises an upper layer freshlitter collection device and a lower layer litter automatic degradation treatment device which are both made of antirust iron sheets; a main body of each of the upper layer fresh litter collection device and the lower layer litter automatic degradation treatment device is of a cylinder shape; and the upper layer fresh litter collection device and the lower layer litter automatic degradation treatment device are fixedly connected together in a nesting manner, and a layered type litter mesh bag is installed at the middle part to form the intact litter collector. For the litter collector, by fully utilizing the effects of the weight of litters and dusts and combining with the layered type litter mesh bag, the effects that automatic layering is performed for litter collection, and degradationtreatment is performed are achieved when the litter collector is put in the open air for a long time; long-term fixed-point collection work in a large range in the open air can be satisfied, and theupper layer collection device and the lower layer automatic degradation treatment device are separately used to meet different experiment requirements; and the litter collector has the advantages of solidness, durability, convenience in operation, wide practicability, flexibility and reliability in collection and the like and is suitable for popularization and application.

The invention discloses a multifunctional efficient sintering cup experimental device and method. The device comprises a mixing system, a sample splitter, a screening device (1), a dropping device (2), a dropping screening system (3), an air blast cooling device (4), rails (5), a sintering ore delivering trolley (6), a weighing device (7), a crushing device (8), a chimney (22) and two sets of independent systems: sintering cup slewing devices (10, 29), material distributing devices (12, 31), sintering cups (11, 30), ignition devices (9, 32), exhaust pipeline systems (13, 33), dust removers (16, 36), coolers (18, 38) and smoke exhaust fans (19, 39), wherein the double-station sintering cups are positioned on the two sides of the crushing device respectively; through a PLC, automatic control, detection and recording of technological parameters like the ignition temperature, the sintering negative pressure, the material layer temperature, the flue gas temperature, flow rate and components can be realized. According to the multifunctional efficient sintering cup experimental device and method, provided by the invention, the stability and accuracy of the sintering experiment can be improved.

The invention discloses an electrical pulse treatment method for improving chalking resistance of an aluminum ferro silicon manganese alloy. The mass percentage of each chemical component in the aluminum ferro silicon manganese alloy is that 49-51% of Mn, 19-21% of Al, 17-20% of Si, 5-14% of Fe and the balance of impurity elements such as carbon. The alloy preparation process comprises the following steps of (1) weighing each raw material according to designed components; (2) adding each raw material to be smelted according to a designed sequence; (3) when all raw materials are melted, switching off an induction furnace power supply; and meanwhile, inserting two pure ferro electrodes connected with an electrical pulse power supply into a high temperature molten pool; and applying high-energy density pulse current to the interior of the molten pool; and (4) after 5-10 minutes of electrical pulse treatment, cooling the molten pool to obtain the aluminum ferro silicon manganese alloy. Theproduct obtained by the electrical pulse treatment method for improving the chalking resistance of the aluminum ferro silicon manganese alloy has the advantages of smaller grain size, compact alloy structure, stable structure, excellent chalking resistance and long alloy storage period. Requirements of a deoxidizing agent for steel making are met.

The invention discloses an artificial conglomerate core which is used an indoor physical simulation experiment, and belongs to the technical field of oil-gas field development physical simulation. The artificial conglomerate core is mainly prepared from the following raw materials in percentage by weight: 2-15% of clay, 5-25% of cementing matter, 20-50% of river sand and 30-60% of quartz sand. The artificial conglomerate core has the advantages that the source problem of the conglomerate core in physical simulation is solved, the obtained artificial conglomerate core is stable in structure, complicated in pore throat structure and diverse in core components, has the characteristics of simple structure and stable property and can replace natural core to be used in physical simulation, and the shortcomings that the pore throat disposition, wetting property and the like of the synthetic core have great difference from those of the natural core are effectively overcome.

A mechanical structure crashworthiness simulation experiment platform disclosed by the present invention comprises a table-board, a table body, synchronous drive systems, a waveform generation device and shock isolation devices. A punch is arranged on the table-board, the waveform generation device is arranged between the table-board and a pedestal and is located in the center of the table-board, the synchronous drive systems are arranged at the two sides of the table-board respectively and are connected together via a main shaft, and the plurality of shock isolation devices are distributed between an upper bottom plate and a lower bottom plate evenly. The mechanical structure crashworthiness simulation experiment platform of the present invention adopts the dual-upright column table-board, is large in size and can carry out the whole machine test. The waveform generation device of the present invention does not need to replace an elastic cushion, but just needs to adjust the clamping area of a sleeve to the elastic cushion, and the adjustment process is simple and rapid. The shock isolation devices are arranged between the table body and the ground, thereby not needing the special-purpose foundation, and saving the cost. Meanwhile, the collision waveform is optimized, the generation of the high-frequency harmonic is reduced, and the natural frequency of a collision table is less than 1 HZ.

The invention discloses an artificial sandstone core used in the indoor physical simulation experiment, and belongs to the technical field of oil-gas field development simulation. The artificial sandstone core is prepared from the following raw materials by weight percent: 2-20% of clay, 5-25% of cement, 0-10% of feldspar (not containing 0) and 70-95% of quartz sand. The pore throat structure distribution curve of the core is adjustable, the wettability is adjustable, the pore throat distribution range is wider and capable of representing double-peak distribution, and the pore throat structure is more complex. The substance component in the stratum natural rock is generated through the silicate mixture in the cement and the subsequent treatment so that the component of the artificial sandstone is diverse, the defects that the artificial core pore throat distribution and wettability are much different from those of the natural core are effectively overcome, the natural core can be more accurately and really simulated, the artificial sandstone core is simple in structure and stable in performance and suitable for replacing natural core in the physical simulation.

The invention discloses a multifunctional ion gun, comprising an ionization chamber, a first lens, a second lens, a first deflector plate, a second deflector plate, a slit, a four-way flange, a transition flange and a tapered cylinder, The ionization chamber, the first lens and the first deflection plate are located in the pipe of the four-way flange, and the first lens is located between the ionization chamber and the first deflection plate, and the first deflection plate is installed near the transition flange end, the ionization chamber is installed at the far end of the transition flange, the second lens, the second deflecting plate and the slit are located in the conical cylinder, the second deflecting plate is located between the second lens and the slit, and the second lens is installed At the proximal end of the transition flange, a slit is installed at the far end of the transition flange, and the cross flange and the tapered cylinder are connected through the transition flange. In order to achieve the purpose of compact structure, multiple functions, stable performance and enhanced ion beam transmission distance.

The invention discloses an experiment loading system and method for researching interaction of explosion stress waves and moving cracks. A drop hammer freely falls and hits an impact head, and the impact head applies impact loads on a test piece, so that the test piece is subjected to crack initiation to generate moving cracks; an electric signal is generated when the drop hammer makes contact with the impact head, the electric signal is transmitted to an automatic tracking synchronous machine through a signal line, and the automatic tracking synchronous machine sends out triggering signals to a multi-channel pulse igniter; the interval between the time when the automatic tracking synchronous machine receives the electric signal and the time when the automatic tracking synchronous machine sends out the triggering signals can be set in advance; the multi-channel pulse igniter discharges immediately after receiving the triggering signals, discharging is performed at the tip of an initiation probe connected with an initiation line to ignite explosive in an explosive bag, and explosion stress waves are generated; the experiment loading system ignites one or more explosive bags at different periods of moving crack expansion, the explosion time interval of multiple explosive bags can also be set artificially, and different experiment requirements can be met.