41results about How to "Realize continuous sampling" patented technology

The invention relates to a rope rotating type hydrate boring sampler, which comprises a catch head, a locking mechanism, a pull rod, a piston and a sample protecting cylinder which are connected through threads. The pull rod is fixed with a heat-insulation pressure-maintenance cylinder through a lockpin; a control system and a pressure compensation device are arranged in the heat-insulation pressure-maintenance cylinder; a hanger bearing, the heat-insulation pressure-maintenance cylinder, a ball valve body and a temperature pressure recorder are connected together; a core cutting mechanism is arranged in the sample protecting cylinder; the sample protecting cylinder and the piston are arranged in the heat-insulation pressure-maintenance cylinder; and a sampling drill bit and a shell are connected through threads. The whole device is arranged on the shell of the device through the locking mechanism; the shell is connected with a drilling tool to transmit torque and support weight of internal devices. When the device carries out sample boring operation, fluid fed by a pump on the ground flushes a borehole, and cleans the sampling drill bit; the shell rotates along with a drilling tool, while the heat-insulation pressure-maintenance cylinder and a sample protecting pipe do not rotate; the heat-insulation pressure-maintenance cylinder is retracted by a rope, so that time of the rock sample to the ground is shortened, thereby facilitating heat insulation and pressure maintenance of the rock sample.

This invention discloses a sampling device for ultrafine grain and its tip is located on the upper edge of central sampling tube while outer tube covers the central tube. There fixes inflow and outflow tubes for cooling between the layers, and the tip of the inflow tube is located in the end portion of central sampling tube and that of the outflow tube is located in the upper portion. There locate two diluting tube between outer tube and central sampling tube and their air vent is symmetrically located on the tube tip. The tip, central sampling tube and outer tube form a sealing cavity. The invention can dilute the gas of high temperature to ensure effective sampling and prevent the sample from reaction in the tube. This invention is especially suitable for the sampling of ultrafine grain with high temperature environments such as metallurgy furnace,industrial furnace, etc.

The present invention relates to a droplet injector and a droplet injection method using the droplet injector. The droplet injector is a droplet injector used in the field of microfluid control, and the droplet injector can transfer a small amount liquid sample from an open system to a closed micro-pipe system, especially packs, in the form of water-in-oil, the small amount liquid sample into medium oil to transport in the micro-pipe system. The droplet injector includes a sample channel for drawing in and transporting the liquid sample and a medium channel for pushing a medium, the sample channel is connected with a module that provides a negative pressure, a medium channel is connected with a module that provides a positive pressure, and the sample channel and the medium channel are in fluid communication.

The invention relates to a drilling column type hydrate boring sampler. An upper joint, a connecting rod, a ball hanging mechanism, a pull rod, a piston and a heat-insulation pressure-maintenance cylinder are connected to form an internal combination; the upper joint, a reducer union, a differential device and a shell are connected to form an external combination; and a control system, a pressure compensation device, a sample protecting cylinder and a ball valve are arranged in the heat-insulation pressure-maintenance cylinder. When the device carries out boring sampling operation, a drilling tool is driven to rotate by equipment on the ground, and a boring drill bit works to achieve the aim of boring sampling. The drilling column type hydrate boring sampler can carry out boring sampling by a conventional drilling tool, is mainly applicable to heat-insulation pressure-maintenance sampling operation in a hard formation, not only can acquire a hydrate sample in the hard formation, but also is applicable to boring sample of an oil layer. The drilling column type hydrate boring sampler has the advantages of convenient use and wide application range, does not need replacing the drilling tool again and again so as to save boring cost.

The continuous unicellular inclusion analyzing method based on microflow control chip platform features that in the cross passage microflow control chip as operation platform, after the buffering liquid with cell dividing agent and screening agent is added into buffering pool and the cell liquid is added into the cell pool, voltage is applied between the buffering pool and the waste liquid pool, so that single cell is introduced into the horizontal passage to contact with the cell dividing agent and divided and the released inclusion migrates directionally under the action of electric field to complete the electrophoresis. The method of the present invention may be used in continuous single cell sampling and cracking, and in analyzing intercellular nucleic acid, protein, amino acid, saccharide and other matters in relatively high flux and relatively simple process.

The invention discloses a multifunctional pneumatic microfluid control system, an intermittent sample injection system and a control method. The multifunctional pneumatic microfluid control system comprises an air source. A pressure relief valve and a pressure switch are arranged on an air outlet pipeline of the air source. The pipeline behind the pressure switch is divided into a plurality of branches. An automatic pressure adjusting module is arranged on each branch. An outlet pipeline of each automatic pressure adjusting module is connected with at least two branches. An electromagnetic valve is arranged on each branch. The electromagnetic valve on one of the branches connected with the outlet pipeline of each automatic pressure adjusting module is connected with an air inlet of a firstliquid container through a pipeline. A liquid outlet pipeline of the first liquid container is connected with a micro-fluidic chip through a check valve. The automatic pressure adjusting modules andthe electromagnetic valves are connected with a control panel. Instantaneous stop of microfluids can be realized simply, conveniently and rapidly through the check valve, and cross contamination of fluids can be avoided effectively. By the multifunctional pneumatic microfluid control system, both continuous sample injection and intermittent sample injection can be realized.

The invention provides an on-line automatic sampling device for lubrication oil of an engine test bench. The on-line automatic sampling device comprises an oil conduit, a solenoid valve, a sampler, a fixing support and a controller, wherein the solenoid valve is installed at the tail end of the oil conduit, and the oil output pipe of the solenoid valve is inserted into the sampler; the sampler is fixed on the fixing support, and comprises a sampling barrel of which the upper end is opened, a rotary table center shaft which can be rotationally and vertically fixed, a rotary table fixed on the rotary table center shaft, oil sample bottles fixed on the rotary table and a transmission gear and a small motor in transmission connection with the rotary table; the small motor and the solenoid valve are both in signal connection with the controller. According to the on-line automatic sampling device for the lubrication oil of the engine test bench disclosed by the invention, continuous sampling of suspicious oil sample operating points is realized through automatic rotation of the rotary table, the entire device is placed in a test room, the sampling is remotely controlled through the controller, and deceleration and load reduction of an engine are not required while sampling to improve the safety of sampling personnel.

The invention relates to the technical field of gas leakage experiment sampling, in particular to a special inflator for a pipeline leakage diffusion experiment. The special inflator comprises a testbed and a gas pipeline fixed on the test bed, a power part and a sampling feeding mechanism are fixed on the test bed, a gas sampling mechanism is fixed on the outer side wall of the gas pipeline, thepower part is in transmission connection with the sampling feeding mechanism, the sampling feeding mechanism comprises a sample plate, a plurality of sampling pipes are arranged on the sample plate,and the power part can push the sampling pipes to communicate with the gas sampling mechanism. According to the special inflator for a pipeline leakage diffusion experiment, the power part drives thesampling pipes to communicate with the gas sampling mechanism and drives the sampling feeding mechanism to replace the sampling pipes, so that automatic replacement of the sampling pipes is realized,time interval balance between two adjacent times of sampling is realized, equal-interval continuous sampling is realized, and when manual operation is not needed, time and labor are saved, and the sampling efficiency is improved.

The invention provides a central control type seabed multi-head continuous sampling drilling machine which solves the problem that the sampling efficiency is low when a drilling machine works. The drilling machine comprises a drilling machine body, the drilling machine body is provided with a drilling tool transporting mechanism, two or more power drilling mechanisms used for driving drilling rods to drill downwards and drilling tool storage mechanisms used for storing the drilling rods and core barrels, the drilling tool storage mechanisms are arranged around the central axis of the drilling machine body, and one power drilling mechanism is arranged between every two adjacent drilling tool storage mechanisms; and the drilling tool transporting mechanism is located in the center of the drilling machine body and can rotate by 360 degrees with the central axis of the drilling machine body as a rotating shaft, and the drilling tool transporting mechanism can grab all the drilling rods and the core barrels at different positions in the drilling tool storage mechanism in the rotating process and transports the drilling rods and the core barrels between the corresponding power drilling mechanism and the corresponding storage mechanism. The internal space of the drilling machine is fully utilized, the number of the power drilling mechanisms is two or more, more drilling tools can be carried for sea operation, and the single-time sampling operation efficiency is improved.

The invention discloses an online sample collection system and method. The invention belongs to the technical field of sample detection. The online sample collection system comprises a first purging system capable of conveying inert gas, a sampling structure, and a second purging system, a first switching structure, a second switching structure and a vacuumizing system which are sequentially connected through pipelines. The first purging system is connected to a pipeline between the first switching structure and the second switching structure, the sampling structure is connected to the secondswitching structure, and the sampling structure is provided with an exhaust port capable of being opened and closed. The first switching structure is connected with a sample injection pipeline, the sample injection pipeline can extend into a solid material of a reaction device, and the second purging system can convey gas of which the type is the same as that of at least one gas in the reaction device. The structure is compact, continuous sampling can be achieved, solid materials are prevented from remaining in the pipelines and the switching structures, and the collection efficiency is high.The freshness of a collected sample and the accuracy of a subsequent sample characterization result can be ensured.

The invention belongs to the technical field of detection of natural gas, and particularly relates to a solar-control type natural gas automatic continuous sampling system. The solar-control type natural gas automatic continuous sampling system is characterized in that a sampling control disc is connected with an electromagnetic valve; a solar panel is used for absorbing solar energy, the solar energy is converted into electric energy by a solar controller, the electric energy converted by the solar controller is used for supplying power for the sampling control disc, the electromagnetic valveis controlled by the sampling control disc, and a pneumatic diaphragm sampling pump is controlled to act, thereby controlling a sampling probe to continuously sample. The solar-control type natural gas automatic continuous sampling system has the advantages that the effect of automatic sampling is realized, and the sampled gas can completely represent the fluid medium in the whole production cycle, and is representative; the power is supplied by the solar energy, and the independent power supply is not required; the control gas source of the pneumatic diaphragm sampling pump selects the natural gas in a pipeline, the single supply of instrument gas source is not required, and the solar-control type natural gas automatic continuous sampling system can be used for a long time under the adverse environments in remote regions.

The invention relates to a flue gas heavy metal concentration measurement technology, and discloses a flue gas heavy metal monitoring system and a monitoring method thereof. The flue gas heavy metal monitoring system comprises a sampling device, an absorption device, a detection device, a first liquid storage tank, a second liquid storage tank and a display control device, wherein the sampling device comprises a sampling pipeline, a filtering unit, a pressure regulating unit and a sampling power unit, the two ends of the sampling pipeline are connected with a flue, the filtering unit is located in the sampling pipeline and close to the inlet end of the sampling pipeline, the pressure regulating unit is located on the sampling pipeline and close to the outlet end of the sampling pipeline, the absorption gas inlet end of the absorption device is connected with the area, where the filtering unit is located, of the sampling pipeline, the first liquid storage tank and the second liquid storage tank are connected with the absorption device through a pumping unit, the second liquid storage tank is connected with the detection device, and the sampling power unit, the pumping unit and the detection device are electrically connected with the display control device. According to the monitoring system, the concentration of various gaseous heavy metals in the flue gas can be automatically monitored on line, and the detection precision is high.

The invention discloses a rapid sampling soil detection system. The system comprises a drilling bit unit, splicing units and a sample storing tube, wherein a first cavity penetrates the interior of the drilling bit unit in a length direction, one end of the sample storing tube is embedded in the first cavity, the splicing unit has a cylindrical structure and is sleeved outside the sample storing tube, the plurality of splicing units are arranged end to end, the splicing unit adjacent to the drilling bit unit moves along with the drilling bit unit, and the drilling bit unit extends into the ground and forces soil sample below to enter the sample storing tube. The detection system falls into a plurality of splicing units, remarkably reducing overall volume and being convenient to disassembleand carry; the number of splicing units to be adopted can be determined according to field drilling depth, so that the sample depth can be adjusted flexibly; and the sample storing tube is embedded in the drilling bit unit and the splicing units, so as to go deep to the ground to realize continuous sampling in the height direction.