24results about How to "Avoid inadequate exposure" patented technology

The utility model discloses an automatic rubberizing and dispensing machine which comprises a dispensing valve, a nozzle arranged at the lower end of the dispensing valve, a bottom substrate, an unwinding rotating shaft and a winding rotating shaft, the dispensing valve is arranged on a driving mechanism, a rubberizing cloth section is formed between a new cloth roll section on the unwinding rotating shaft and a waste cloth roll section wound on the winding rotating shaft, and the rubberizing cloth section is arranged on the unwinding rotating shaft. A pressing disc of the pressing bottle is located under the rubberized fabric section, a horizontal portion of an L-shaped movable block is arranged between the pressing disc and the rubberized fabric section, a plurality of guide columns are arranged between the pressing bottle and the unwinding rotating shaft and between the pressing bottle and the winding rotating shaft respectively, a guide sleeve is arranged on the outer sides of the guide columns in a sleeved mode, and an annular protrusion is arranged at one end of each guide column. A check ring is arranged between the annular protrusion and the guide sleeve. According to the glue wiping device, the effect of wiping residual glue can be improved, waste caused by alcohol volatilization can be effectively avoided, insufficient contact between the nozzle and the glue wiping cloth section caused by position deviation in the cloth section rolling process is avoided, and the glue wiping quality and effect are improved.

The invention discloses an efficient biomass thermal cracking fluidized bed reactor, and particularly relates to the technical field of fluidized bed reactors, the efficient biomass thermal cracking fluidized bed reactor comprises a tank body, an air duct is arranged in the tank body, the air duct is provided with a plurality of flow adjusting mechanisms in linear arrangement, and the flow adjusting mechanisms are used for adjusting the air speed; a material receiving plate is arranged between the air duct and the tank body, the material receiving plate corresponds to the flow adjusting mechanism, and a plurality of air inlet mechanisms which are uniformly distributed are arranged on the material receiving plate; the flow adjusting mechanism comprises a plurality of mounting boxes, the mounting boxes are arranged in the air duct, round holes are formed in the surfaces of the mounting boxes, two sliding plates which are symmetrical about the center of the round holes are slidably connected into the mounting boxes, and a synchronous assembly is arranged in the mounting boxes and used for driving the two sliding plates to move at the same time; through cooperation of the flow adjusting mechanism, the material receiving plate and the air duct, materials can be uniformly dispersed, and gas and a catalyst are fully reacted.

The utility model discloses a butyl acrylate production waste gas treatment device which comprises a supporting seat, an activated carbon filter box is arranged at the top of the supporting seat, one side of the activated carbon filter box is in threaded connection with a box cover, and one side, corresponding to the activated carbon filter box, of the box cover is rotationally connected with a shifting rod. A first rotating motor is installed at the position, located on one side of the box cover, of one end of the material stirring rod, an air inlet pipe is installed on the side, away from the activated carbon filtering box, of the box cover, a butt joint pipe is installed on the side, away from the box cover, of the activated carbon filtering box, and one end of the butt joint pipe is in threaded connection with an air filtering assembly; the side, away from the butt joint pipe, of the gas filtering assembly is in threaded connection with a gas conveying pipe, a first sucking pump is installed in the gas conveying pipe, and the end, away from the gas filtering assembly, of the gas conveying pipe is fixedly connected with a spraying chamber. Through the design, activated carbon and hydrogen peroxide can be in full contact with chemical waste gas, the purification efficiency is improved, and the overall practicability is enhanced.

The utility model discloses a kind of aluminum alloy ship body welding deformation control mechanisms, including multiple webs, web is welded at the welding gap of first ship plate and second ship plate, web is vertically arranged with the surface of first ship plate and second ship plate, the length direction of web is perpendicular to the welding gap of first ship plate and second ship plate, web bottom is provided with the bottom edge of widening to both sides, and welding groove is spaced along bottom edge;Welding groove is distributed at the contact of bottom edge and ship plate, the cross section of welding groove is arc, the bottom end of welding groove and ship plate smooth transition tangent contact;Connecting fixing mechanism is equipped between adjacent webs;By web auxiliary material positioning welding, increase auxiliary material in the relatively sparse area of original structure, by positioning welding mode welding, keep the structure of original strong force component unchanged, auxiliary increase the overall stress of sparse and weak area, welding is more stable and reliable, not easy to weld deformation.

This invention proposes a grinding device and method for diamond abrasive workpieces, belonging to the technical field of grinding devices. It addresses the problem of uneven grinding caused by debris accumulation during the grinding process of diamond abrasive workpieces, a core bottleneck restricting workpiece processing quality. The device includes a worktable with two supports and a mounting port on top. A placement plate with a central hinged support is located at the mounting port, and the placement plate includes a fixing device and a counterweight. Mounting slots are located at both ends of the mounting port, housing retractable support seats. The worktable also includes a vertical frame (slidingly connected to a crossbeam, with a grinding machine at the bottom of the crossbeam, and the vertical frame equipped with a first drive device to raise and lower the crossbeam) and a water tank (connected to water pipes, nozzles, and a water pump). This invention utilizes the coordinated operation of the supports, placement plate, and nozzles. The supports ensure the placement plate is horizontal for easy workpiece fixation. During grinding, the nozzles spray water to reduce debris and ensure uniform grinding. After grinding, the supports retract, and the placement plate tilts to allow debris to automatically slide off, reducing dust and improving efficiency.

This utility model provides a steel pipe phosphate clamping device suitable for different pipe diameters, relating to the field of steel pipe phosphate processing. It includes a mounting frame, with a drive assembly connected to the inner wall of the mounting frame. The drive assembly includes a lead screw that rotates through the top between the two sides inside the mounting frame. A drive motor is fixed to one side of the mounting frame, and a slider is connected to the outer side of the lead screw. A hydraulic cylinder is fixed to the bottom center of the slider, and a connecting plate is fixed to the end of the output shaft of the hydraulic cylinder. Sliding rods are symmetrically fixed to the top of the connecting plate, and a deflection mechanism is connected to the bottom of the connecting plate. A clamping mechanism is connected to the bottom of the deflection mechanism. This application, through the clamping mechanism, clamps the inner wall of the steel pipe, preventing insufficient contact between the outer wall of the steel pipe and the treatment liquid, improving the phosphate effect, preventing quality issues, and facilitating the clamping of steel pipes of different diameters, thus enhancing the applicability of the device.

The utility model relates to the technical field of camellia oleifera planting, and discloses a camellia oleifera seedling soilless culture device for camellia oleifera planting, which comprises a supporting stand column, a culture barrel piece is arranged on the back of the supporting stand column, a culture device is arranged on the side face of the culture barrel piece, and an illumination device is arranged at the top of the culture device. The cultivation device comprises a bearing plate, a connecting plate, a protection rod, a conduction pipe, a spraying pipe, a box piece, a protection frame plate, a suction pump, a liquid supplementing pipe, a connecting column, a spring shock absorber, a plugging plate and a connecting plate piece, and the bearing plate is fixedly connected to the side face of the cultivation barrel piece. According to the camellia oleifera seedling soilless culture device for camellia oleifera planting, by arranging the culture device, and arranging a connecting plate and a protection rod on the front face of the bearing plate, protection treatment can be conducted, multiple culture devices can be protected, and the service life of the device can be prolonged; the nutrient solution is good in transfer effect among multiple stages, and the use effect is good.

The invention belongs to the technical field of molecular sieve purifiers, and particularly relates to a molecular sieve purification device for chemical engineering, which is characterized in that the molecular sieve purification device comprises two adsorption towers, each adsorption tower is provided with an air inlet pipe and an air outlet pipe, each adsorption tower is provided with a tower box, each air inlet pipe is connected to the bottom of the corresponding tower box, and each air outlet pipe is connected to the top end of the corresponding tower box; two separation boxes are arranged in the tower box, the separation boxes are filled with filler, air holes are formed in the tops and the bottoms of the separation boxes, a plurality of through holes are formed in the bottoms of the separation boxes, movable net barrels are slidably connected into the through holes, and springs are connected between the top ends of the movable net barrels and the inner walls of the tops of the separation boxes. The air pressure in the movable net barrel is increased along with the blocking of the ascending air flow, so that the movable net barrel moves upwards to increase the contact area with the filler at the corresponding position, and the smoothness of the upward movement of the air flow at the corresponding position is ensured.

The application discloses a kind of electrode material of tin phosphide composite tin element and its preparation method and application, belong to battery material technical field.Salt and graphene oxide are mixed, and precursor Sn6O4 (OH) 4 / GO is obtained by reacting with alkaline solution;Sn6O4 (OH) 4 / GO and NaH2PO2·H2O are 1:10 mass ratio, in inert atmosphere, with 5 ℃ / min speed to 500 ℃ calcination 3 h, and Sn / Sn4P3 / RGO is obtained.The application uses Sn6O4 (OH) 4 / GO with low crystallinity, rich hydroxyl and rich defect as reactive precursor, by controlling the amount of phosphorus source, phosphorization temperature and heating rate, tin element and tin phosphide form in situ in the reduction of graphene oxide conductive network Close heterojunction.The composite material can inhibit tin particle migration, agglomeration, improve electron / ion transport kinetics, suitable for lithium ion battery and sodium ion battery.

The invention relates to the technical field of liquid storage tanks, and discloses a vertical liquid storage tank which comprises a liquid storage pipe body, the upper end of the liquid storage pipe body is fixedly connected with a driving motor, one side of the liquid storage pipe body communicates with a liquid inlet pipeline, and the upper end of the liquid inlet pipeline is fixedly connected with a liquid inlet valve. The bottom of the liquid storage pipe body is communicated with a liquid outlet pipeline, the upper end of the liquid outlet pipeline is fixedly connected with a liquid outlet valve, one side of the liquid storage pipe body is fixedly connected with a power socket, one side of the liquid storage pipe body is fixedly connected with an inspection opening, one side of the liquid storage pipe body is fixedly connected with a water level detector, and the other side of the liquid storage pipe body is fixedly connected with a water level sensor. The bottom of the liquid storage pipe body is fixedly connected with a supporting frame, and the liquid storage pipe has the beneficial effects of automatically cleaning the tank body, improving the cleaning efficiency and reducing harm to a human body, and solves the problems that a common vertical liquid storage tank is complex in cleaning work and low in manual cleaning efficiency, and gas emitted by some liquid can cause harm to the health of the human body.

The invention relates to the field of powder grading, in particular to a powder hollowness grading device and method based on terminal settling velocity difference. The device comprises a feeding unit used for supplying powder; the dispersion conveying unit comprises a conveying channel and two fan blade rotating devices, the conveying channel is obliquely arranged downwards from left to right and used for receiving the powder supplied by the feeding unit and allowing the powder to slide down along the conveying channel, and fan blades of the two fan blade rotating devices are embedded in the conveying channel side by side in the front-back direction; the airflow grading unit comprises an air cavity and an air outlet device, the air cavity is obliquely arranged upwards from left to right, an air outlet is formed in the upper end of the air cavity, an air inlet is formed in the lower end of the air cavity, the air outlet directly faces an outlet in the lower end of the conveying channel, and the air outlet device is used for blowing air to the air inlet of the air cavity; and the collecting unit is used for collecting the powder graded by the airflow grading unit. Accurate grading of the hollowness degree of the powder can be achieved based on the density difference, and the purity of the target solid powder is improved.

The utility model discloses a continuous production device for preparing methyl tetrahydrophthalic anhydride. The device comprises a synthesis reactor, a maleic anhydride storage tank, a C5 storage tank, a first rectifying tower, a first condenser, a first thermosyphon reboiler, an isomerization reactor, a second rectifying tower, a second condenser, a second thermosyphon reboiler, a product stripping tower, a third thermosyphon reboiler and a vacuum pump. By using the continuous production device disclosed by the utility model, the continuous production of the methyl tetrahydrophthalic anhydride in industry can be realized, the synthesis efficiency of the methyl tetrahydrophthalic anhydride can be improved, and the production energy consumption can be reduced.

The invention discloses transformer coil pouring waste recycling equipment which comprises a base, the inner surface of the base is rotationally connected with a treatment barrel, the bottom end of the treatment barrel is rotationally connected with a telescopic air cylinder, the top end of the treatment barrel is communicated with a feeding pipe, and the transformer coil pouring waste recycling equipment further comprises an air exhaust assembly fixedly connected to the outer surface of the treatment barrel; and the heat conduction barrel is fixedly connected to the top of an inner cavity of the treatment barrel, a heating pipe frame is fixedly connected to the outer surface of the heat conduction barrel, and a protection assembly is slidably connected to the inner surface of the heat conduction barrel. According to the transformer coil pouring waste recycling equipment, waste is subjected to extrusion forming through an extrusion assembly, so that the purpose of recycling the waste is achieved, an air exhaust assembly can be matched with a protection assembly when working, and melting of the waste in a heat conduction barrel is accelerated through the protection assembly; and the situation that the subsequent waste forming quality is affected due to incomplete melting of the waste is avoided.

The utility model relates to the technical field of microbial fermentation, in particular to a microbial fermentation heat preservation tank for production, which comprises a tank body, a tank cover and an overturning unit, the overturning unit comprises an obtuse angle plate, a rotating shaft, a spiral blade, a shaft bracket, a fixing rod, a pull rod, a pressing plate, a heating assembly and an auxiliary assembly, raw materials are poured into the tank body, then the tank cover is covered, the auxiliary assembly is used for locking, and the tank body is sealed. When the pressing plate is pushed downwards, one end of the pressing plate can rotate on the outer side wall of the tank body, at the moment, the pull rod can abut against the fixing rod to rotate by 180 degrees, then the pressing plate is lifted upwards, the pull rod can drive the shaft frame to complete the rest 180-degree rotation, and in cycles, the rotating shaft is driven to rotate, the spiral blades are driven to turn over raw materials accumulated at the bottom, and the heating assembly is used for heating the tank body. And in this way, it is guaranteed that internal raw materials are evenly heated, insufficient contact between microorganisms and nutritional ingredients in the raw materials is avoided, and the fermentation efficiency and quality are improved.

This invention discloses a phosphorus trichloride production tail gas absorption and treatment device with safety monitoring function, including an absorption tower, a liquid distributor and an inlet pipe disposed on the absorption tower, an outlet pipe at the top of the absorption tower, and a drain pipe at the bottom of the absorption tower. It also includes an adaptive flow stabilizer and a gravity feedback anti-clogging packing assembly disposed within the absorption tower. The liquid distributor is located above the gravity feedback anti-clogging packing assembly, and the adaptive flow stabilizer is located below the gravity feedback anti-clogging packing assembly. This invention relates to the technical field of phosphorus trichloride production tail gas treatment equipment, specifically providing a phosphorus trichloride production tail gas absorption and treatment device with integrated adaptive flow stabilization, real-time monitoring of packing blockage, and gravity feedback anti-clogging, and equipped with safety monitoring function.

The utility model discloses agricultural product detection pretreatment equipment, which relates to the field of agricultural product detection, and comprises a machine base, the top of the machine base is rotatably connected with a soaking box, the two sides of the soaking box are connected with swing driving parts which drive the soaking box to rotate around the joint of the soaking box and the machine base as the circle center, and the interior of the soaking box is slidably connected with a lifting box. A telescopic driving part for driving the lifting box to move along the inner wall of the soaking box is connected to the top end of the lifting box, a bearing plate is slidably connected to the interior of the lifting box, a convex block for preventing the bearing plate from sliding downwards along the interior of the lifting box is arranged at the bottom of the lifting box, and a plurality of water permeable holes are formed in the bearing plate in a penetrating mode; according to the agricultural product detection pretreatment equipment, the swing driving piece drives the soaking box to rotate around the joint of the soaking box and the machine base as the circle center, so that the telescopic air cylinder drives the soaking box to rotate in a reciprocating mode, and agricultural products in the lifting box shake; therefore, insufficient contact between part of the agricultural products and the soaking solution caused by stacking of the agricultural products can be avoided.

The utility model discloses a kind of coated material mixing devices for slow-release type PH adjusting fertilizer, belong to fertilizer production relevant technical field, including the stirring drum for coated material mixing, the top of stirring drum is equipped with powder feeding mechanism, and the top of stirring drum is fixedly installed with liquid storage tank on powder feeding mechanism side, the side of stirring drum is equipped with the pump box for the liquid raw material conveying of liquid storage tank inside, the top of stirring drum is equipped with the discharging groove of powder discharging, and the inside of stirring drum is equipped with guide plate, guide plate is below discharging groove, the discharge end of pump box is equipped with liquid outlet pipe, the end of liquid outlet pipe is through the side of guide plate, and fixedly connected with transverse pipe, the outside of transverse pipe is equipped with several rows of inclined spray head towards the other side of guide plate;Powder and liquid raw material during preparation of coated material can be premixed, reduce the settling time of powder in stirring drum, improve mixing efficiency.

The invention discloses a winding method for plying continuous long fibers into twistless roving and a winder, and relates to the field of fiber plying, the method is characterized in that plied yarns are dispersed into a plurality of single-strand protofilaments to pass through a tension control system, and the winder comprises a yarn guide wheel, a yarn pressing roller, a tension roller, a yarn guide roller, a traverse unit and a winder head which are sequentially arranged; a first yarn dividing plate is arranged between the yarn guide wheel and the yarn pressing roller, a second yarn dividing plate is arranged between the second yarn guide wheel and the yarn arranging device, and a yarn collecting hole is formed between the second yarn dividing plate and the yarn arranging device. The first yarn splitting plate and the second yarn splitting plate are each provided with a yarn hole set, each yarn hole set is provided with a plurality of yarn splitting holes, the diameter of the yarn splitting holes in the first yarn splitting plate is matched with the diameter of the yarn splitting holes in the second yarn splitting plate, and the diameter of the yarn splitting holes is matched with the diameter of a single strand of protofilament. The length measuring device can effectively improve the length measuring accuracy of the plied yarn, improve the stress uniformity of all the protofilaments, reduce the draping degree of part of the plied yarn and the abrasion to the friction rubber skin, and comprehensively improve the winding quality.

The present invention provides a medicine lubricating machine for processing Chinese herbal medicines, which belongs to the technical field of Chinese herbal medicine processing. It comprises a processing box, one side of which is provided with an airtight door, the top of which is provided with a feed port, one side of which is provided with an air inlet pipe, the bottom of which is provided with an exhaust port, one side of which is provided with a motor, the bottom of the inner wall of which is provided with a support plate, and one side of the inner wall of which is provided with a collection component, which is used for centralized collection of the Chinese herbal medicines to be processed. The present invention realizes the rotation effect of the exhaust chamber and multiple groups of auxiliary rotating drums by setting a rotating component, so that the steam discharged from the exhaust chamber and the auxiliary rotating drum forms a cyclonic surface, so that the steam can fully contact the Chinese herbal medicines, thereby improving the softening processing effect of the Chinese herbal medicines, and at the same time, by utilizing the cooperation between the protrusion and the steel coil, a vibration effect is applied to the Chinese herbal medicines through the rotating plate, thereby further improving the softening processing effect of the Chinese herbal medicines.

The invention discloses a method for preparing 1, 3-thiazolidine-2-ketone by a microwave reactor, which comprises the following steps: grinding raw materials cysteamine hydrochloride and urea, fully mixing, adding into a reaction container, putting into the microwave reactor, and heating to react while stirring; cooling the reaction liquid, dissolving with an extracting agent, extracting, and filtering to obtain a solid which is a byproduct ammonium chloride; and evaporating the filtered liquid to recover the extracting agent, cooling the solid material, recrystallizing, and drying to obtain the finished product 1, 3-thiazolidine-2-ketone. The invention systematically studies the application of microwave heating in the preparation process of 1, 3-thiazolidine-2-ketone, a complete synthesis and purification process is formed, the prepared product has good appearance and high purity, the quality indexes of different batches of products have small difference, and the application prospect is good.

The invention provides photovoltaic power generation grid-connected performance test equipment, and relates to the technical field of electrical performance test.The photovoltaic power generation grid-connected performance test equipment is mainly characterized in that an EL detector on a detection table is used for conducting voltage and current testing on a photovoltaic assembly after contact, and a clamping assembly for limiting and fixing the photovoltaic assembly is arranged at the upper end of the detection table; according to the size self-adaptive adjustment of different photovoltaic modules, positioning assemblies for guiding and positioning the upper end clamping assembly and the photovoltaic modules are arranged on the two sides of the detection table, the positions of corresponding positioning blocks are kept in the middle of the EL detector, the middle positions of the photovoltaic modules are kept to be in contact with the EL detector, and the detection accuracy is improved. According to the structure of the part, sufficient contact between the EL detector and the photovoltaic module to be detected is guaranteed, the photovoltaic modules of different sizes always keep direct contact between the middle areas and the EL detector, after the EL detector and the photovoltaic modules are connected, voltage and current detection is carried out, monitoring data are fed back to a system terminal, and manual adjustment time is saved.

A laser welding spot optical detection device comprises an industrial camera, a connecting ring and an annular light source, a convex lens is arranged at the end of the industrial camera, a first connecting part is arranged at the position, located on the outer side of the convex lens, of the inner side wall of the industrial camera, a first light hole penetrating through the two ends of the connecting ring is formed in the connecting ring, and a second connecting part is arranged at one end of the connecting ring. The second connecting part is matched with the first connecting part, the other end of the connecting ring is provided with a plurality of groups of connecting positions, the annular light source is connected to the corresponding groups of connecting positions, the annular light source is provided with a light-emitting surface and a second light hole, the light-emitting surface is located on the end face, away from the industrial camera, of the annular light source, and the convex lens, the first light hole and the second light hole are concentrically arranged; the port, close to the convex lens, of the first light hole is a horn mouth which faces the convex lens. Compared with the prior art, the laser welding spot optical detection device not only can adapt to annular light sources of different specifications, but also can improve the detection effect.

The utility model discloses a high-yield rice cultivation seedling raising device which comprises a bottom plate, supporting columns are fixedly installed at the two ends of the top face of the bottom plate, a rotating frame is rotationally connected between the supporting columns, a plurality of containing grooves are rotationally connected between the inner walls of the two sides of the rotating frame at equal intervals, and a plurality of seedling raising boxes are inserted into the containing grooves. By adopting the motor and the rotating frame, when rice in the seedling raising box needs to be subjected to photosynthesis, the motor is started, and the rotating frame is driven to rotate through the rotation of the motor, so that the plurality of placing grooves rotationally connected in the rotating frame are transversely unfolded, and the rice in the seedling raising box on the placing grooves receives more sufficient illumination; after the sun moves and the sunlight irradiation angle is changed, the rotating frame can be driven to rotate through the rotation of the motor so as to correspondingly adjust the orientation of the seedling raising box, and the seedling raising device has the advantages of sufficient irradiation and adjustable orientation.

The utility model relates to chemical metallurgical equipment technical field, concretely, relates to pyrite oxygen rich roasting high -efficient mixing device, including roasting furnace main part, and the outside of roasting furnace main part is provided with oxygen rich gas source air inlet cover, and the air outlet end fixed mounting of oxygen rich gas source air inlet cover has the air inlet pipe, and the end of air inlet pipe stretches into to the bottom of roasting furnace main part and fixed mounting has the end pipe, and the end of end pipe is provided with a plurality of concentric annular pipe settings, and the two annular pipes adjacent to each other all are linked through the through pipe, and the bottom of annular pipe is provided with a plurality of air outlet holes, and the top of roasting furnace main part is provided with vertical pipe, and is provided with screening cylinder and crushing cylinder on vertical pipe, and is provided with screen cloth in screening cylinder, and is provided with the crushing roller for crushing the big block material after screening and filtering of screen cloth in crushing cylinder. The utility model can carry out crushing and even gas distribution operation, and promote roasting efficient operation.