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

The invention discloses an environmental protection water quality sampling detection device, which comprises a base, an electric lifting rod and a water pump. A water storage tank is installed above the base, and uniformly distributed sampling chambers are arranged inside the water storage tank. The top of the sampling bin is provided with a water injection port, the water storage tank above the sampling bin is provided with a water injection bin, the bottom of the water injection bin is connected to the water injection port, the top of the water storage tank is provided with a water inlet, and the water inlet A filter screen is installed inside, a sealing cover is installed at the bottom of the water inlet, and a water pump is installed on the top of the water storage tank on one side of the water inlet, and the water pump is connected to the water inlet through a pipeline passing through the sealing cover. The present invention is provided with a series of structures so that the device has the advantages of convenient movement, high sampling and detection efficiency, fast speed, convenient operation and the like in the process of water quality sampling and detection.

The invention relates to a method for measuring nicotine content in gum base type chewing tobacco. The method comprises the following steps: (1) extracting a gum base type chewing tobacco sample by using alkali liquor and a mixture which cannot be dissolved with the alkali liquor, thereby obtaining coarse extracting solution containing nicotine; (2) standing and layering the coarse extracting solution containing nicotine, and collecting an organic phase layer containing nicotine; (3) filtering the obtained organic phase layer containing nicotine by using an organic phase filter, thus obtaining nicotine-containing extract liquor; and (4) detecting the nicotine-containing extracting solution by using a gas chromatograph or a gas chromatograph-mass spectrometer, and obtaining the nicotine content in the gum base type chewing tobacco by adopting an internal standard method. According to the measuring method disclosed by the invention, the nicotine content is accurately measured, and the method is simple, convenient to operate and has a high popularization value.

The invention discloses a soil sampling device which is convenient for screening and removing stones in sample soil. A driving machine is arranged in the middle of the bottom of the transverse connecting plate, a PLC controller is installed on the left side of the device body, a screening plate is provided inside the first screening device, and a through hole is provided on the screening plate, so Balance bars are provided on both sides of the movable disk, and clamping pieces are provided on both sides of the port of the screening plate, and a spring is connected between the clamping piece and the first screening device. Inside the tray is mounted a second collection tube. The soil sampling device, which is convenient for screening and removing stones in the sample soil, can screen the sample soil to screen out the stones in the soil, and the device can separately screen dry soil and rare earth, which is convenient for users to Soil sampling for testing.

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 provides an oil storage barrel comprising an oil barrel and an oil barrel cover mounted on the oil barrel. The oil storage barrel is characterized in that two CPCs (Circular Plastic Connectors) are fixed on the oil barrel cover, wherein the lower end of one CPC is connected with a relatively longer internally connected oil pipe which is inserted in the oil body of the oil barrel and is close to the bottom of the oil barrel; and the lower end of the other CPC is connected with a relatively shorter internally connected oil pipe which is exposed on the oil surface. By adopting the CPCs in the invention, the oil barrel cover is prevented from being fully opened so as to reduce introduced oxygen, effectively prevent oil oxidation and achieve convenience in use, and liquid leakage is avoided after multiple uses, thus, the problem of oil oxidation and deterioration caused in processes of filling, transporting, sampling, storing, using, and the like by oil production enterprises is effectively solved, oxygen is prevented from being introduced into the oil barrel after the oil barrel cover is opened and oil sampling and oil detecting are convenient.

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 aims at solving the problem that an existing water draining system is low in detection accuracy, poor in reliability, complicated in structure, difficult to use and maintain and the like. The technical scheme is that an automatic oil tank water draining system comprises an oil tank, a detecting unit, a control unit and an execution unit. The detecting unit comprises an upper oil-water interface detector, a lower oil-water interface detector and an in-water oil content analyzer. The upper oil-water interface detector and the lower oil-water interface detector are installed in the oil tank obliquely, and the in-water oil content analyzer is connected with the oil tank through a discharging pipe. A valve is installed on the pipe. The upper oil-water interface detector, the lower oil-water interface detector and the in-water oil content analyzer form a double-meter joint control structure. Temperature sensors are installed at the detecting point ends of the upper oil-water interface detector, the lower oil-water interface detector and the in-water oil content analyzer. The upper oil-water interface detector, the lower oil-water interface detector and the in-water oil content analyzer are provided with backwashing devices and spot sampling devices, and measuring probes are coated with anti-hanging coatings.

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 a sampling detection pharmaceutical device which comprises a base. The upper surface of the base is provided with a through groove in the length direction of the base. A conveying mechanism is arranged in the through groove. The upper surface of the base is sequentially provided with a medicine placement mechanism, a hot-press sealing mechanism and a sampling detection device in the length direction of the base. The side surface of the base is provided with a control box. The control box is electrically connected with the conveying mechanism, the medicine placement mechanism, the hot-press sealing mechanism and the sampling detection device. The sampling detection pharmaceutical device has the beneficial effects of being simple in structure and high in practicability.

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 hydrops drainage bag for the neurosurgery department. The hydrops drainage bag comprises a bag body and an elastic strap is arranged at the back of the bag body and is characterized in that an upper drainage pipe and a lower drainage pipe are respectively arranged on the upper side and the lower side of the bag body, an auxiliary bag body is communicated with one side ofthe bottom of the bag body through a catheter, a sealing plug is arranged at the top of the auxiliary bag body, the top of the upper drainage pipe is communicated with an air filtering tube, the top of the air filtering tube is communicated with a main drainage pipe, a guide rod penetrates the air filtering tube, a stirring rod located in the filtering tube is mounted at the bottom end of the guide rod, the lower drainage pipe is provided with a bag body crisscross valve, the back of the bag body is evenly covered with thermal-insulation cotton, and two ends of the back of the elastic strap are respectively covered with the loop part of a hook and loop fastener and the hook part of the hook and loop fastener. The hydrops drainage bag has the advantages that during drainage, the auxiliary bag body can be conveniently used for sampling detection, blocking of the connection of the air filtering tube and the upper drainage pipe during blood hydrops drainage is avoided, hydrops backflow isprevented effectively, and drainage safety is increased.

The invention provides multifunctional equipment for sampling, detecting and transporting of metal plates, and belongs to the technical field of metal plate detection. The device comprises a reversingconveying device and a sampling detection transport vehicle, the reversing conveying device comprises a reversing bearing table, a reversing conveying mechanism and a limiting push plate mechanism, reversing conveying assemblies of the reversing conveying mechanism are evenly distributed on a reversing lifting table, and the sampling detection transport vehicle comprises universal ball conveyingmechanisms, a lifting bearing mechanism and a folding hanging plate mechanism; and the lifting bearing mechanism comprises lifting bearing assemblies and a lifting bearing driving assembly, each lifting bearing assembly is arranged between every two adjacent universal ball conveying assemblies, the folding hanging plate mechanism comprises two folding hanging plate assemblies, and the two foldinghanging plate assemblies are symmetrically arranged at the two ends of a frame platform. The device can quickly sample, detect and transport the metal plates, is high in automation degree, greatly reduces the labor intensity of workers, and effectively avoids the damage to the metal plates.

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 detection sampling device for breast tumors. The detection sampling device comprises a sampling cavity, a self-closing tumor placement assembly, a clamping detection type sampling assembly, a lifting assembly and a cutting assembly, wherein the self-closing tumor placement assembly is connected with the sampling cavity and is arranged on the bottom wall and the side wallof the sampling cavity in a sliding manner, the lifting assembly is arranged on the inner top wall of the sampling cavity, and the clamping detection type sampling assembly and the cutting assembly are arranged at the driving end of the lifting assembly. The invention relates to the technical field of medical instruments. The lifting height of cutting and sampling can be freely adjusted accordingto the size of a breast tumor. According to the detection sampling device for the breast tumors, mechanical cutting decomposition is conducted on the breast tumor to reach the proper sampling size, sampling of a detection needle and stable clamping sampling of a first clamping piece and a second clamping piece are completed under driving of an electric telescopic rod, the sampling environment canbe kept sterile and dustless, and the detection accuracy is improved.

The invention discloses a multilayer underground water level observation device for a hydrogeological hole. The multilayer underground water level observation device comprises a liquid storage barrel,wherein a middle shaft is fixedly connected between the inner walls of the two sides of the liquid storage barrel; the outer wall of the middle shaft is slidably connected with a push-pull disc; a sealing gasket is arranged between the push-pull disc and the middle shaft; two lead screws are movably connected to the inner wall of the bottom part of the liquid storage barrel; the other ends of thetwo lead screws penetrate through the upper side barrel wall of the liquid storage barrel to be fixedly connected with secondary wheel discs; two threaded holes are formed in the push-pull disc; theinner walls of the threaded holes are movably connected with the outer walls of the lead screws; a motor box is fixedly connected to the outer wall of the upper side of the liquid storage barrel; anda first motor is fixedly connected to the inner wall of the motor box. The multilayer underground water level observation device can perform water absorption and water outlet operation on undergroundwater, facilitates underground water sampling and later water pumping detection, solves the problem that a water body is difficult to take out after sampling, improves the underground water level observation efficiency, can use a motor to replace manpower, and reduces the working intensity.

The invention discloses a sample storage device for geological prospecting. The device comprises a shell, a second storage cavity is arranged at a central position of an inner cavity of the shell along an up-down direction, a bottom end of the inner cavity of the second storage cavity is provided with an accumulator, a top end of the accumulator is provided with a temperature controller, an external wall surface of the shell is provided with several first storage cavities at equal distance along a circumferential direction, an inner side surface of each first storage cavity is provided with aventilating net, a side wall of the first storage cavity is provided with a neck, the bottom end of the inner cavity of the first storage cavity is provided with a first spring, and a top end of the first spring is provided with a sliding plate. By a controller, the temperature controller can be controlled to monitor and regulate temperature of internal environment of the shell, influence on accuracy of detection for a soil sample can be prevented, by staggered arrangement of the storage cavities and a storage mechanism, the device can effectively perform sample separation and classified planning while storing multiple groups of samples, can avoid a phenomenon of confusing among the samples, and facilitates execution of later detection works.

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 belongs to the field of liquid oxygen preparation, particularly relates to an air filter for liquid oxygen preparation and aims to realize convenience in filter element replacement and detection of filtered air and high safety of the air filter for liquid oxygen preparation. The air filter comprises an air pump, an air inlet pipe, a filter tank, a slide rail, sliders, a moving plate,a connection block, a fixed plate, a PET cotton filter screen, a HEPA filter screen, a screen frame, activated carbon, a mounting plate, a motor, a gear, a rack and an air outlet pipe. The air outletpipe is fixedly connected to one end of the filter tank, and the air inlet pipe is fixedly connected to the other end of the filter tank. The air filter for liquid oxygen preparation has advantages of convenience in filter element replacement and detection of filtered air and high safety.

The invention belongs to the field of metal electrochemical corrosion testing, and provides a metal microorganism corrosion electrochemical testing device under a flowing system to solve the problemsthat microorganisms cannot grow on a metal surface in a gathered manner in a short time, electrochemical corrosion of metal materials cannot be measured under the flowing system in real time and the like. The steps and the cost of manufacturing special working electrodes are omitted, and practicability is enhanced. The metal microorganism corrosion electrochemical testing device under the flowingsystem comprises a cylindrical glass cavity, an upper end polytetrafluoroethylene sealing cover, a lower end polytetrafluoroethylene sealing cover, a reference electrode, a salt bridge, an auxiliary electrode, a platinum sheet, a dosing hole, a sampling hole, a working electrode, a working electrode contact hole, a working electrode contact, a copper wafer, a screw, a water inlet and a water outlet, wherein the cylindrical glass cavity is a device body, the polytetrafluoroethylene sealing covers are arranged at the upper end and the lower end of the cavity, the upper end of the cavity is provided with the reference electrode, the auxiliary electrode, the dosing hole and the sampling hole, and the lower end of the cavity is provided with the working electrode. The metal microorganism corrosion electrochemical testing device is mainly applied to metal electrochemical corrosion testing places.

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.

The invention discloses automatic production equipment for a corrugated board adhesive. The equipment comprises a raw material adding barrel, a raw material mixing barrel, a spiral conveyor, a stirring forming barrel, a glue receiving barrel and a cooling water tank, the raw material adding barrel is arranged at the upper end of the raw material mixing barrel, a support frame is arranged outside the raw material mixing barrel, water inlet pipes are arranged in the raw material mixing barrel, the water inlet pipe is connected with the cooling water tank, the bottom of the raw material mixing barrel is connected with the stirring forming barrel through the spiral conveyor, the cold water inlet pipe is wound outside the stirring forming barrel and connected with the cooling water tank, the cooling water pump is arranged on the cold water inlet pipe, and the bottom of the stirring forming barrel is connected with a glue receiving tank. The raw material mixing barrel can heat a mixture, thestirring forming barrel can cool the mixture, step-by-step mixing, targeted heating and cooling are achieved, the quality of prepared glue is guaranteed, and the problems that glue prepared through existing equipment is poor in quality and low in adhesion degree are solved.

The invention discloses a microalgae type microbial fuel cell. An anode chamber is provided with a top cover, the lower portion of the anode chamber is provided with an air release opening, the side surface is provided with four water outlets which are used for discharging water and sampling; anaerobic sludge is placed on a reaction matrix in the anode chamber, and the top cover of a reaction areais provided with a top water inlet, a reference electrode as well as an anode conducting wire fixing opening and two reserved holes; a cathode chamber is provided with a sealing cover, the lower portion is provided with an air release opening, the side surface is provided with four water outlets, the cathode chamber is used for culturing algae, the top cover is provided with a top water inlet, areference electrode as well as a cathode conducting wire fixing opening and two reserved holes of different sizes; and the anode chamber and the cathode chamber are connected into a whole by virtue ofa flange, a silicone plate is arranged on the junction for sealing, and the silicone plate is provided with a proton exchanging membrane to separate the anode chamber and the cathode chamber. The cell is simple in structure and easy in implementation, and not only can the research use in the experimental period be satisfied, but also the theoretical foundation can be provided for the actual use of the microalgae microbial fuel cell.

The invention discloses an industrial wastewater treatment device and process. The industrial wastewater treatment device comprises a support, and a filter box and a sterilization box are fixedly connected to the two sides of the interior of the support correspondingly. Through cooperative use of a first filter screen, a second filter screen, activated carbon, an ultraviolet lamp, a cathode plate,an anode plate, a sampling mechanism and an aeration mechanism, large-particle impurities can be adsorbed through the first filter screen, the second filter screen and the activated carbon, wastewater can be sterilized through use of the ultraviolet lamp, through use of the aeration mechanism, bubbles can adsorb impurities in wastewater, and the problems that an existing industrial wastewater treatment device cannot selectively and circularly filter the wastewater in the using process, meanwhile, no specific sampling function exists, a user cannot conveniently sample and detect the wastewaterin real time, the sterilization mode is single, and the wastewater cannot be well sterilized and metal particles cannot be well removed are solved.