144results about How to "Convenient sampling and testing" patented technology

The invention discloses detection equipment capable of sampling and detecting different water depths and a using method. The detection equipment comprises a vertical plate, the bottom of the verticalplate is fixedly connected with a mounting plate; mounting holes are formed in four corners of the top of the mounting plate; the top of the vertical plate is movably connected with a rotating rod through a bearing, the bottom of the surface of the rotating rod is fixedly sleeved with a first bevel gear, the top of a left side of the vertical plate is fixedly connected with an L-shaped plate, a right side of the L-shaped plate is fixedly connected with a first motor, and a right end of a rotating shaft of the first motor is fixedly connected with a second bevel gear. According to the invention, the problems that existing water quality detection equipment is inconvenient to detect water sources with different depths, water at different depths is basically sampled and then detected on the shore, the operation is troublesome, meanwhile, different positions at the same depth are inconvenient to detect, sampling needs to be conducted multiple times during detection, time is wasted, and theefficiency is reduced are solved.

The invention provides a sequencing batch photocatalytic reactor, which comprises a reaction section, a separation section, a separation section, a clean water tank and a sewage tank; the reaction section comprises a shell, an inclined plate section and light sources, wherein the inclined plate section is positioned in the middle of the shell, the light sources are positioned on both sides of the inclined plate section, the inclined plate section consists of upright plates, inclined plates and baffles, which are connected, a water distributor is arranged over the inclined plate on the upmost layer, and is connected with the sewage tank through a conduit, a control valve and a water supply pump, and a water-receiving tank is arranged under the inclined plate on the lowest layer; the separation section comprises separators, each separator comprises an upper water accumulator and a bottom soft magnet, the separators are connected with the water-receiving tank through conduits and valves, and each water accumulator is provided with an overflow tube and a discharge tube. The reactor operates by the way of sequencing batch; catalyst and pollutant can be uniformly mixed, so the contact effect is good; liquid is shaped like a film when flowing on the inclined plates of the reactor, so the effect of utilizing direct light and reflected light is good; and sampling inspection is convenient. Catalyst can be conveniently recovered; the catalyst load can be flexibly adjusted; and the operation is simple and flexible.

The invention provides a municipal garden soil environmental protection restoration treatment device, which belongs to the technical field of municipal gardens. The feeding device is arranged on the upper left side of the stirring box; the ultraviolet generator is fixedly arranged at the bottom of the inner cavity of the stirring box; The right side of the repair fluid tank is connected to the liquid spray plate through the liquid outlet pipe; the right end of the blower is connected to the electric heater through the air outlet pipe, and the lower end of the electric heater is connected to the right side of the stirring tank through the air outlet pipe. connected; the discharge pipe is arranged below the stirring box; the slide rail is fixedly arranged at the bottom of the inner cavity of the opening base; the device of the present invention is fixedly provided with a spiral stirring device at the right end of the motor, which has the function of stirring the soil, and then The function of softening the soil; the right side of the repairing liquid tank is connected with the liquid spray plate through the liquid outlet pipe, and it has the function of adding nutrient solution to repair the soil; the device has the characteristics of simple structure, strong practicability and good repairing effect.

The invention relates to a VOC online monitor for an organic acid environment. The monitor comprises a monitor body, and a monitoring cavity is formed in the inner side of the monitor body; a cleaningopening is formed in the top of the monitor body; the cleaning opening is communicated with the monitoring cavity; a sealing cover is arranged at the top of the monitor body; the sealing cover is provided with an air inlet hole and an air outlet hole; a vacuum pump is mounted on the upper surface of the sealing cover; an extraction opening of the vacuum pump is communicated with the air outlet hole; an air pressure monitor is installed on the side face of the monitor body, the upper portion of the air inlet hole is communicated with a communicating pipe, one end of the communicating pipe is communicated with an electromagnetic valve, the communicating pipe is communicated with an air outlet of an air inlet non-return mechanism through the electromagnetic valve, and an air inlet of the airinlet non-return mechanism is communicated with an air inlet unit. The movable range of the air inlet unit can be greatly enlarged through a lifting mechanism, so that sampling detection work is conducted on air of different heights.

The invention relates to the technical field of secondary batteries, in particular to a balance method of the battery capacity of a secondary battery group, characterized in that a balance resistor network is adopted, and the balance resistor network is formed by using same resistors to connect the battery nodes in the secondary battery group and can adopt a common connection mode, a star connection mode or a triangular connection mode. The invention effectively balances the battery capacity of the secondary battery group, prolongs the service life of the battery group and decreases the replacement cost of storage batteries.

The invention discloses a pus drainage device with a sampling function for patients with burns, which comprises a drain tube, a housing, an upper cover, a support block, a guide tube, a filter net, aholding channel, a limiting channel, a slider, a spring, a flow hole, a receiving hole, and a floater. The pus drainage device is ingenious in structure, good in functionality, simple to operate and low in time and manpower consumption; a sampling mechanism enables medical personnel to conveniently carry out sampling detection on drained liquid during drainage therapy of a patient; the problem iseffectively avoided that a traditional sampling method is inconvenient to perform and high in time and manpower consumption; in addition, a drainage alarm mechanism helps effectively prevent untimelyemptying of the drained liquid in the housing from affecting the drainage therapy of the patient; operation is finally simplified for medical personnel, treatment and healing are benefited for the patient. The pus drainage device is suitable for clinical popularization and application.

The invention discloses an engineering quality detector for building supervision. A moving screw rod is rotatably connected to the inner side of a limiting moving groove, a bearing hydraulic cylinderis connected to the moving screw rod through a screw rod seat, an L-shaped mounting plate is fixedly connected to the top end of the bearing hydraulic cylinder, a moving fixing block is connected to the top end of the L-shaped mounting plate, and an extending electric push rod is connected to the output end of the moving fixing block; one end of the extending electric push rod is connected with alimiting clamping plate, one end of the limiting clamping plate is connected with a flatness detection plate, and the position, away from the flatness detection plate, of one end of the limiting clamping plate is rotationally connected with a vertical detection plate. Through adjusting the length of the detection plate, a detector can detect the spaces with difference sizes conveniently, the problem that spaces of different sizes cannot be detected due to the fact that the length of the detection plate is fixed is avoided, a plurality of detection plates do not need to be carried, meanwhile, the detection plates are pushed through the electric push rod to be attached to the wall surface, detection errors caused by untight attachment are reduced, and therefore the accuracy of detection datais guaranteed.

The invention relates to a coastal aquifer layered variable-density water body underground water flow simulation device which comprises a main body box, two water-permeable baffle plates with a plurality of water-permeable holes are fixed in the main box body and are oppositely arranged, the main box body is divided into a first cavity, a second cavity and a third cavity by the two water-permeablebaffle plates, the first cavity, the second cavity and the third cavity are sequentially communicated, and the second cavity is filled with a porous medium. The device further comprises a fresh watersystem and at least two saline water systems, the at least two saline water systems are sequentially distributed from the top to bottom, each saline water system comprises a saline water outlet system which communicates with the first cavity and a communication part is in an upper part, each saline water system further comprises a saline water inlet system which communicates with the first cavityand a communication part is in a lower part, and the fresh water system comprises a fresh water inlet system and a fresh water outlet system which communicate with the third cavity.

The invention discloses water quality sampling equipment used for detecting an underground water body environment. The water quality sampling equipment comprises a bottom plate, wherein a water pump switch, a motor switch and an electric telescopic rod switch are arranged on one side of the upper surface of the bottom plate; an input end of the water pump switch, an input end of the motor switch and an input end of the electric telescopic rod switch are all electrically connected with an output end of an external power supply; a sampling pool is arranged on the left side of the upper surface of the bottom plate; a fixed seat is arranged on the upper surface of the bottom plate near the sampling pool; a water pump is arranged on the upper surface of the fixed seat; an input end of the waterpump is electrically connected with an output end of the water pump switch; an inlet end of the water pump is connected with a first pipeline; an outlet end of the water pump is communicated with thesampling pool by a second pipeline; a supporting frame is arranged on the right side of the upper surface of the bottom plate; and a motor is arranged in the center of the inside of the supporting frame. The water quality sampling equipment is moved conveniently, so that underground water bodies at different places can be sampled and detected conveniently, and underground water at different depths can be sampled and detected.

The invention discloses a disposable backflow-preventing drainage bag which belongs to the technical field of medical instruments. The disposable backflow-preventing drainage bag comprises a drainage bag body, a drainage pipe and a drain pipe, wherein one end of the drainage pipe is communicated with a drainage bag body accommodating cavity of the drainage bag body, the other end of the drainage pipe is used for being matched and connected with a body fluid leading-out pipe of a patient, and the drain pipe is connected to the lower part of the drainage bag body, is communicated with the drainage bag body accommodating cavity of the drainage bag body, and is provided with a drain valve. The disposable backflow-preventing drainage bag is characterized in that a backflow-preventing valve is arranged on the outer wall of one side of the upper part of the drainage bag body and corresponds to one end of the drainage pipe, the backflow-preventing valve is connected with the drainage bag body accommodating cavity, one end of the drainage pipe is connected with the backflow-preventing valve, and the other end of the drainage pipe is provided with a sampling port. The disposable backflow-preventing drainage bag has the advantages of avoiding causing infection to the patient, and facilitating the sampling test of the medical staff.

The invention discloses a multi-sample efficient sampling device for food detection, the device comprises a shell, when the multi-sample efficient sampling device is used, a motor drives a rotating shaft to rotate to drive blades to rotate, so that a cam is driven to rotate through the volume change of an air bag, a collecting tank is further driven to move up and down, and a movable plate is opened through the upward movement of the collecting tank, samples are completely crushed in the crushing bins and then fall into inner drives of the collecting grooves, the multiple samples are detected through the multiple crushing bins and the multiple collecting grooves at the same time, a first rotating rod is driven to rotate through rotation of a third gear in the moving process on a rack, and therefore a swing rod is driven to rotate in the inner cavity of each collecting groove; sample powder and an additive are fully mixed to form a solution, sampling detection of workers is facilitated, crushing and additive stirring are performed in the same device, and the device has the advantages of being high in detection efficiency, high in detection accuracy, low in detection cost and the like through a series of mechanisms.

The invention provides a sampling and quick cooling chemical engineering solution mixing and stirring device and belongs to the field of chemical engineering. The sampling and quick cooling chemical engineering solution mixing and stirring device comprises a support device and a mixing and stirring device; a liquid filling port is formed in the right of the upper surface of a cover plate; the bottom of a motor is fixedly provided with a gearbox, the lower end of the gearbox is fixedly provided with a rotating shaft, and the upper end of the rotating shaft is provided with a foam breaker; a liquid outlet pipe is arranged at the lower end of a tank; a sampling box is arranged on the right of the tank; a water suction pump is welded onto a cold water tank, and the right end of the water suction pump is connected with the upper side of a cooling pipe through a water through pipe. According to the sampling and quick cooling chemical engineering solution mixing and stirring device, a block stirring piece is arranged on the rotating shaft, and the bottom of the block stirring piece is provided with stirring blades to achieve the function improving the mixing and stirring efficiency; the left end of the sampling box is connected with the tank through a return pipe to achieve the function of achieving sampling and detection at any time during dissolution. The sampling and quick coolingchemical engineering solution mixing and stirring device has the advantages of being simple in manufacturing processes, high in practicality and good in dissolving effects.

The invention discloses a method for rapid nondestructive testing of sulphur-fumigated traditional Chinese medicinal materials by using gas sensors, which belongs to the field of nondestructive testing of authenticity and quality of traditional Chinese medicinal materials and decoction pieces. According to the invention, No. 7 sensor and No. 9 sensor of the gas sensors are mainly used for response to sulfide and organic sulfur compounds; sulphur-fumigated medicinal materials have greater response degrees compared with non-sulphur-fumigated medicinal materials; a principal component analysis method and a linear discriminant analysis method are adopted for stoichiometric analysis of a matrix of response signals of the sensors, and analysis results are used as discrimination bases. The method provided by the invention can rapidly and nondestructively test whether Chinese angelica has undergone sulphur fumigation, effectively avoids subjectivity of smell judgment during discrimination of properties of traditional Chinese medicines and has the advantages of simple sample pretreatment process, short analysis time, a fast speed, high sensitivity, etc.

The invention discloses a sphere conveying mechanism of a device for machining a high-precision sphere. The sphere conveying mechanism of the device for machining the high-precision sphere comprises a support, an upper free rolling way, a lower free rolling way, an outer spiral rolling way, a mandrel and scrapers, wherein the mandrel is connected with a feeding driving mechanism which is used for driving the mandrel to rotate, the scrapers are arranged on the outer circle of the mandrel at equal arc intervals, the size of a gap between every two adjacent scrapers is larger than that of the sphere to be conveyed, the outer spiral rolling way is arranged from top to bottom and is attached to the outer side faces of the scrapers, a conveyance station used for containing the sphere is formed by the gaps between the adjacent scarpers and the outer spiral rolling way, the upper free rolling way and the lower free rolling way are obliquely arranged, the upper end of the outer spiral rolling way is connected with the upper end of the upper free rolling way, the lower end of the upper free rolling way serves as an outlet of the sphere conveying mechanism, the lower end of the outer spiral rolling way is connected with the lower end of the lower free rolling way, and the upper end of the lower free rolling way serves as an inlet of the sphere conveying mechanism. The sphere conveying mechanism of the device for machining the high-precision sphere has the advantages that circulating machining of the sphere is achieved, the machining efficiency is high, a machining path can be controlled quite accurately, and the machining uniformity is high.