42results about How to "Guaranteed original condition" patented technology

The invention discloses an automatic sampler of undisturbed sediment deposits, and relates to the environment analysis technology. The automatic sampler comprises a power supply part, a cylinder body part, a sampling head, and a seal part. After the automatic sampler enters sediment deposits, a pressure switch is closed by the extrusion between the power supply housing and the sampling cylinder fixed part, and a deceleration motor is started to drive the sampling cylinder and a stainless steel knife edge to rotate and sampling; when the distance between the power supply housing and an annular gravity hammer reaches the detection range of a proximity switch sensor, the sampling is stopped; during the lifting process of the sampler, a rubber diaphragm seals the lower part of the sampling cylinder. The automatic sampler of undisturbed sediment deposits of the invention is specially applicable to undisturbed sampling devices for sediment deposits of rivers, lakes, and neritic regions, and has an obvious advantage for environment with a relatively hard deposition layer; and the invention allows a quick and effective sampling to deposits, and realizes an effective analysis to deposit samples.

The invention discloses a compact type built-in high-pressure sampling ball valve which is characterized in that a valve body is arranged, a valve seat and a steel ball are arranged in the valve body, and a through hole is formed in the steel ball; a gear shaft is fixedly connected to two ends of the steel ball; and gears on the gear shaft are meshed with racks. The invention has the benefits that the compact type built-in high-pressure ball valve with a special hard sealing structure is designed, so as to guarantee sea bottom in-situ airtight sample core sampling equipment at a depth of 3000 meters under seawater to have an excellent sealing property, sealed operations can be performed during taking samples, non-pollution and leakage-free collection to in-situ airtight sample cores is achieved, and that samples taken from the bottom of the sea keep initial states and information required by a laboratory test is ensured. Therefore, real and satisfying testing results are obtained.

The invention relates to a device and a method for extracting undisturbed soil. The device comprises a main body cylinder, an opening and locking switch and a cylindrical hoisting ring, wherein the main body cylinder consists of two semi-cylindrical surfaces which can be opened and closed by taking a bus as a shaft; the opening and locking switch is arranged at the opening and closing position; and the external surface of the main body cylinder is provided with the cylindrical hoisting ring. The method comprises the following steps of: determining the area of a cylindrical soil sample, and digging at the periphery and on the lower side of the collected soil sample to reach an upper layer sampling depth; switching on the opening and locking switch on the main body cylinder, sleeving the two semi-cylindrical surfaces outside the soil sample, and closing and locking the two semi-cylindrical surfaces; separating the cylindrical soil sample from soil at the bottom of the cylindrical soil sample at the bottom of the main body cylinder; hoisting the main body cylinder carrying the cylindrical soil sample by a certain height, inserting, hoisting a base plate, putting on a transportation tool, and transporting to a specified place. The device has a simple and practical structure and is more suitable for filling the soil sample; and by the method, the original state of the soil sample can be better ensured, the soil sample is convenient to collect, and the safety factor is high.

The invention discloses a vertical freezing sampling device and its use method. The sampling device includes an operation ship, an automatic control platform, a lifting system, a liquid CO2 supply device, a sampler and an adjustment bracket installed on the sampler, an automatic control platform, a lifting The system and the liquid CO2 supply device are fixed on the work boat in turn, the lifting system is connected with the sampler through cables, and the adjustment bracket is located at the lower part of the sampler. The hollow copper tube probe in the sampler is connected to the liquid CO2 supply device through the liquid CO2 input line. The automatic leveling system in the automatic control platform controls and adjusts the bracket, so that the copper tube probe is vertically inserted into the deposition layer, and the sample is frozen and collected. Compared with the prior art, the present invention can be used for in-situ collection of sediments in deep water and shallow water areas, and the copper tube probe in the sampler is vertically inserted into the sediments, ensuring the success rate of sampling in deep water and higher flow rates.

The present invention relates to a bag holding material evidences or material samples and a production method. The present invention aims at resolving the prior art problem that the original state of material evidences is influenced to open the bag mouth and tear the protective membrane of a double-face adhesive tape by hands with troublesome operation and no proper production method is available to provide better congener bags. The key points of the technic proposal is that: the bag is characterized in that the bag body is made of plastic foil with sealing sides; the back side of the sealing line of one bag body side is provided with an easy-tearing line used for tearing the bag mouth; the back side surface of the easy-tearing line is provided with a reinforcing applying band which is provided with a metal line used for shaping assisting the bag mouth; and two pairs or more overhang hand holding parts are arranged on the reinforcing applying band. The production method is characterized in that: two layers of folding plastic foils are used; every side is sealed; the easy-tearing line is stamped; two segments of reinforcing applying bands are cut; a pair of overhang hand holding parts are joggled before cutting; the metal line is cut and the center of reinforcing applying band is put in; the reinforcing applying band is affixed; and after affixing another pair of overhang hand holding parts are formed beyond the two side parts of the bag body.

The invention discloses a smart PAM dosing device. The device comprises a stirring barrel, a vacuum main machine and an automatic feeding machine, the center of the top of the stirring barrel is provided with a deceleration motor, the lower end of the deceleration motor is connected to a mixer blade inside the stirring barrel, the automatic feeding machine is arranged at the top of the stirring barrel, the automatic feeding machine is respectively connected to the vacuum main machine and a material cabin through a gas suction hose and a material suction hose, the automatic feeding machine is orderly provided with a feeding inlet, the material storage cabin and a feeding inlet from top to bottom, a vacuum controller is arranged between the feeding inlet and the material storage cabin, a frequency conversion speed regulating feeding valve is arranged between the material storage cabin and the feeding inlet, the bottom of the feeding inlet is communicated with the top of the stirring barrel, a feed diluting device is arranged at the top of the stirring barrel, the feed diluting device is connected to the automatic feeding machine, a water inlet pipe is arranged in one side of the feeddiluting device and the stirring barrel is connected to a PAM dosing screw pump through a discharge pipe.

The invention discloses a biological sample storage device. Non-contact sample storage is adopted, and a sample is free of pollution and a container is repeatedly used. The device comprises a closed container and an ultrasonic suspension device. The closed container has the vacuum keeping capacity, and an openable door device with the sealing capacity is used for containing and taking out the sample. The door device or other positions of a tank are provided with one or more valves used for emptying internal gas and injecting inert gas into the interior under special purposes. According to thebiological sample storage device, ultrasonic suspension sample storage is achieved in the closed container, the beneficial effects that the sample is not polluted and is easy to take out, and the sample can be reused without treatment or through simple treatment are achieved, the sample storage effect is improved, the burden of medical waste on the environment is reduced, and cost can be effectively controlled under the situation of repeated usage.

The invention discloses a sampling device for getting undisturbed cohesive soil in an exploratory well exploratory trench. The sampling device comprises a counterforce frame with four support feet anda sample preparation pipe; an ground anchor is arranged on the counterforce frame with the four support feet; a ball screw nut is arranged on the top of the counterforce frame with the four support feet; a ball screw is arranged in the ball screw nut; a handle is arranged at one end of the ball screw, while the other end of the ball screw is connected with an outer pipe connector; an outer pipe soil peeler is arranged on the sample preparation pipe in a sleeving manner; one end of the outer pipe soil peeler is in threaded connection with the outer pipe connector; a thrust bearing slot is formed in one end, corresponding to the outer pipe soil peeler, of the outer pipe connector; a thrust bearing shaft is arranged in the thrust bearing slot; an inner pipe connector is connected with one end of the sample preparation pipe; a conical roller bearing slot is formed in the outer pipe soil peeler; a conical roller bearing is arranged in the conical roller bearing slot; one end of the inner pipe connector passes through the conical roller bearing and is in threaded connection with a slotted lock nut. The invention provides the sampling device for getting the undisturbed cohesive soil in the exploratory well exploratory trench, which is convenient to sample.

The invention provides a nano-particle size concentration detection system. The system comprises a sample collecting and cleaning system, a detection chip and a laser, wherein the sample collecting and cleaning system is connected with the detection chip to control the flow of a sample and a cleaning solution in the detection chip. The detection system disclosed by the invention can derive the particle size and concentration of the nanoparticles by observing the motion trail and number of the nanoparticles in a solution state, so the nanoparticles can be ensured to be in an original state, and the result is accurate and reliable. The system can be used as a module to be combined with a nano-particle synthesis system, so man-made interference caused by separated experiments is reduced. The system disclosed by the invention is simple and convenient to operate and has the characteristic of high throughput.

The present invention discloses a recording and sound processing method. The method comprises the following steps: a, sound signals are distributed to each transmission channel through a distributor after the sound signals are processed by a transducer; b, sound signals of each transmission channel are subjected to amplification processing with different grades, and the control conversion is performed through a controller; c, signals are converted and then the signals of each sound signal source are displayed through a position display module; d, each sound signal is processed through a sound processing module after the display is completed; and c, processed signals are detected through a detector. The recording and sound processing method is able to perform acquisition process of sound signals so as to ensure the sound primary state, greatly reduce the sound distortion rate and realize large-dynamic and high-fidelity transmission sound.