79results about How to "Realize integrated operation" patented technology

The utility model discloses a wheat and corn triangular final singling interplanting close planting planter, which comprises a traction frame, a land wheel and seeding monomers, the seeding monomers perform small double-row triangular final singling mode seeding during seeding, at least two seeding monomers are arranged on the traction frame side by side through a four-bar linkage, the land wheel is connected with the traction frame through a connecting frame, and the land wheel is connected with the traction frame through a connecting frame. The land wheel is linked with a transmission through a transmission mechanism, the transmission drives the seeding monomers to synchronously rotate through a driving mechanism to realize seeding operation, and the distance between the seeding monomers is matched with a corn interplanting area reserved during wheat planting and seeding; the sowing machine is improved on the basis of an existing sowing machine, a small double-row triangular final singling sowing mode is adopted for corn sowing in a corn interplanting area reserved during wheat sowing, the wheat and corn interplanting mode is optimized, the corn sowing density is increased, the interplanting land utilization rate is increased, and the yield is increased.

This application discloses an automatic sauerkraut filling machine in the field of food packaging technology, including a base, a support column, a top seat, and multiple filling components. The support column is connected between the base and the top seat. The base has a notch, and a packaging machine is connected to the notch. The packaging opening of the packaging machine is located at the notch, and a packaging bag is connected to the packaging opening. A motor is located at the bottom inner part of the base, and the output shaft of the motor is connected to the support column. A turntable is connected to the top of the base and is connected to the support column. Multiple filling components are all located on the turntable. Multiple drive components are connected to the support column to drive the filling components from the turntable through the support column to the bottom of the top seat. Each filling component includes a slider, a connecting column, and an electric telescopic rod. The slider is connected to the turntable and is connected to the drive components. A locking component for fixing sauerkraut is connected to the slider. The connecting column is connected to the top of the slider, and the electric telescopic rod is connected to the top of the connecting column.

The utility model provides a damage-free hierarchical screening and cleaning device, which belongs to the technical field of hierarchical screening and cleaning and comprises a bottom plate, a screening mechanism used for hierarchical screening is arranged on one side of the top of the bottom plate, and a recycling assembly convenient for circulating cleaning is arranged on one side of the screening mechanism. Through the screening mechanism, the motor drives the driving gear to rotate, then the annular gear drives the roller to rotate together, materials are fed from the higher end of the roller, slowly move to the lower end along the inner wall of the roller and fall into different areas of the storage tank through the round pipes with different densities, and classified collection of the materials is completed. And then water needed for cleaning the materials is injected into the water tank, the water inlet pipe pumps the water into the booster pump, the booster pump pressurizes the pumped clear water, and then the clear water is conveyed to the spraying head through the water outlet pipe to clean the materials, so that the integrated operation of screening and cleaning is realized, and the transfer link of the materials among different devices is reduced.

This utility model discloses a batching and mixing device for concrete block production, relating to the field of concrete block production technology. The utility model includes a mixing chamber, and further includes: a screening section disposed at the bottom of the mixing chamber; and a mixing section disposed within the mixing chamber. The screening section includes a U-shaped frame fixedly connected to the bottom of the mixing chamber, with a screen rotatably connected to the U-shaped frame. A rectangular frame is disposed at the bottom of the mixing chamber, and a motor is fixedly connected to the front of the rectangular frame. By incorporating a screening section, this utility model solves the problem that after the material is mixed and enters the feeding stage, the lack of necessary screening steps makes it difficult to effectively separate impurities and lumps in the mixture. These unremoved impurities and lumps directly enter subsequent processes, adversely affecting product quality, production efficiency, or equipment operational stability.

This invention relates to the field of heat energy recovery technology, specifically disclosing a biomass boiler slag heat recovery device, including a receiving unit, a conveying structure, and a heat exchange structure. The conveying structure is fixedly installed on the receiving unit, and the heat exchange structure is fixedly installed on the conveying structure and located above the receiving unit. This invention achieves full and efficient waste heat recovery, realizing multi-level utilization of heat energy. The heat exchange structure has a simple design, is easy to process and assemble, and operates stably, achieving environmentally friendly operation. It takes into account both waste heat recovery and dust control, centrally collects slag residue, maintains a clean working environment, and facilitates subsequent processing. The heat energy utilization method is practical and adaptable to actual industrial heat demand. The structure has strong synergy, and the overall equipment is compact with high space utilization.

The utility model relates to dry sea cucumber soaking technology field especially relates to a kind of dry sea cucumber automatic soaking device, including base, top opening setting box is installed in the top of base, partition is provided in the inside of box, to be cut off into two chambers with box;Cavity is opened in the inside of base, the bottom of one of the chambers is equipped with carousel, and multiple pieces of interval arrangement guide vane are installed along the top of carousel, guide vane is obliquely arranged on carousel, and coaxial drive shaft is installed in the bottom of carousel, the bottom of drive shaft is penetrated through box and is placed in cavity and is connected with third driving motor, third driving motor is fixed in cavity by support, and drive shaft is rotatably connected with the bottom of box.The utility model is driven water flow movement by the rotation of carousel and guide vane, forms relative water flow impact in combination with the reverse rotation of placing basket, significantly improves the contact efficiency of dry sea cucumber and water, accelerates the soaking process, while effectively cleaning sea cucumber surface impurities.

The utility model discloses a metal cleaning agent viscosity detection device, including detection jar still include: fixed mounting on the upper portion of detection jar's motor, fixed mounting is in the lower portion of motor output shaft's support frame, and support frame rotatory mounting is in the inside of detection jar, rotatory mounting is in the outside of support frame's impeller, and impeller and detection jar inner wall rolling adhesion, fixed in the upper portion of impeller's gear, fixed in the upper portion of detection jar's gear ring, and gear ring and gear engagement connection, the utility model discloses a motor is set up on the upper portion of detection jar, drives the support frame rotation connected below output shaft, thereby drive installation on support frame's impeller realizes synchronous movement, and impeller keeps rolling adhesion through its outer edge and detection jar inner wall, and under the drive of motor, relies on gear and the gear ring engagement of fixed in the upper portion of detection jar and generates double -motion: on one side, impeller revolves around detection jar inner wall, on the other side, impeller revolves around its axle center, realizes all -round wiping and cleaning to the jar body inner wall.

The present application relates to rock foundation engineering technical field, disclose a kind of rock foundation groove excavation device, including splitting stick, water pump, bidirectional pump, slurry pump and rotary spray head, splitting shell in splitting stick is equipped with water bag, water pipe and slurry pipe, bidirectional pump is connected with water bag by intercommunication pipe to water injection to water bag in turn extrude splitting shell splitting rock, water pump is transported high pressure water to rotary spray head by water pipe to carry out drilling and cutting to rock, slurry pump is formed by slurry after high pressure water cutting and is extracted from construction area. Compared with prior art, the construction efficiency of the rock foundation groove excavation device is high, and the construction precision is good. The present application also provides a kind of rock foundation groove excavation method, also has the advantages of high construction efficiency, good construction effect.

The utility model relates to the technical field of electric heating towel racks, in particular to an electric heating towel rack which comprises a storage box, a first shell, a second shell and a hollow connecting column, towels are hung on the second shell, a heating module is arranged in the second shell, and a heating plate in the heating module can heat and dry the towels. A control module is further arranged in the towel rack and comprises a light-emitting part and a light sensing part which are arranged on the first shell and the second shell respectively, whether the towel is hung on the second shell or not is sensed through cooperation of the light-emitting part and the light sensing part, and therefore whether the heating plate is heated or not is controlled, and the towel rack can heat the towel more intelligently and efficiently.

The utility model belongs to the technical field of straw packaging machines, and particularly relates to a novel straw packaging machine which comprises a vehicle plate, four wheels are arranged at the bottom of the vehicle plate, and a cab is arranged at the top of the vehicle plate. The two stabilizing mechanisms are arranged at the front end of the sweeping board; the straw picking mechanism is arranged at the top of the vehicle plate and located in the cab; the foldable feeding mechanism is arranged at the top of the trolley plate; the straw pulverizer is arranged at the top of the sweeping board and is matched with the foldable feeding mechanism; the straw briquetting forming machine is arranged at the top of the vehicle plate, and a straw conveying pipe is communicated between the straw briquetting forming machine and the straw pulverizer. The whole processes of straw picking, smashing, briquetting and bundling are integrated on the vehicle-mounted moving platform, field-processing-packaging integrated operation is achieved, the geographical limitation of traditional fixed equipment is broken through, the straw briquetting machine can be suitable for being used in different terrains, manual feeding is avoided, and labor intensity is reduced.

This utility model discloses a liquid mixing device, belonging to the technical field of clinical pharmaceutical auxiliary equipment. The device includes a funnel-shaped stirring drum body with an internal cavity. A prismatic stirring drum is placed inside the cavity, and a circular turntable is fixedly connected to the upper surface of the prismatic stirring drum. A crushing gear is engaged on one side of the circular turntable. This utility model, through the arrangement of the injection cylinder, crushing gear, and circular turntable, allows the circular turntable and crushing gear to work together to crush the medication in the injection cylinder. After crushing, medical personnel inject water into the injection cylinder, which mixes with the drug residue and flows out through the gap between the funnel-shaped stirring drum body and the prismatic stirring drum. The medication can be collected at the drain pipe. The overall operation is simple, convenient, time-saving, and labor-saving, requiring minimal manpower and resources.

The utility model relates to the field of soil detection, and discloses a comprehensive soil detection device which comprises a frame, a detection component is mounted on one side of the frame, a collection component is mounted on the other side of the frame, and a sampling component is arranged in the middle of the frame; the collecting assembly comprises a connecting shell, the top of the connecting shell is fixedly connected with a collecting opening, the top of the collecting opening is in threaded connection with a sealing cover, the bottom of the connecting shell is in threaded connection with a mounting bin, the lower middle side of the inner wall of the mounting bin is fixedly connected with a first gear ring, and the upper middle side of the inner wall of the mounting bin is fixedly connected with a limiting ring. The middle part of the limiting ring is slidably connected with a sample bin. According to the multi-area soil sample storage device, independent storage and rapid switching of multi-area soil samples are achieved, during operation, only the sample bin needs to be pressed to enable the gear ring to be separated, the sample bin is rotated to be switched to an unused area and then automatically reset and locked, it is ensured that the soil samples of different sampling points are stored in independent spaces divided by the sample partition plates in a separated mode, and cross contamination is avoided.

This invention discloses an integrated wind power transmission and lubrication monitoring system with dual generator split-output, comprising a wind turbine input section, a main shaft support section, a gear speed-increasing section, a rear-end split-output section, and a lubrication monitoring section. The wind turbine receives power via a low-speed main shaft. A single-stage planetary speed-increasing mechanism within the gearbox transmits the power to the sun gear shaft system. A centrally located split-output pinion at the rear of the sun gear shaft system simultaneously meshes with the left and right output gears, splitting the power to the left and right output shafts, which then drive the left and right generators respectively via couplings. Lubricating oil is delivered to key lubrication points via the main oil supply port, oil distribution structure, planetary carrier oil supply interface, and hollow pin shaft supply path. Return oil is detected by a particle sensor, achieving integrated transmission, lubrication, and wear monitoring.

The invention relates to the technical field of geological drilling, in particular to a multifunctional rock-soil geological drilling rig which comprises an electric operation frame and a handheld drilling machine, the electric operation frame comprises an electric base, and a driving storage battery, a control component and an angle adjusting support are installed in the electric operation frame; an angle adjusting motor for controlling and adjusting the working direction of the handheld drilling machine is fixedly mounted on one side of the upper end of the handheld drilling machine; one end of the stable supporting rod is rotationally arranged on the two sides of the electric base, the upper end of the electric sliding rail is rotationally connected with the stable supporting frame, and the combined structure is used for fixing the handheld drilling machine; the handheld drilling machine comprises a drilling machine body, a power storage battery, a drilling motor, a drilling rod, a drilling rod fixing sleeve, a sampling sleeve and an operating handle, wherein the drilling rod is sleeved with the sampling sleeve, and the operating handle can be fixedly installed in the combined structure. The combined design of the independent handheld drilling machine and the foldable structure support is adopted, and diversified complex external environments can be better dealt with by means of flexible switching of a handheld operation mode and a support operation mode.

This utility model relates to the field of casting processing technology, specifically to an integrated device for cleaning and polishing the surface of castings. It includes an operating table with two adjustable frames, a first adjusting frame and a second adjusting frame. Sandpaper is mounted on the first adjusting frame, and a cleaning cloth is mounted on the second adjusting frame, with the cleaning cloth positioned upstream of the sandpaper. This utility model integrates the cleaning cloth and sandpaper onto the same device, with the cleaning cloth positioned upstream of the sandpaper, achieving integrated operation of surface cleaning and polishing of castings. This reduces production steps and time costs, and avoids secondary contamination or damage caused by transferring castings between different devices.

The invention discloses snow-throwing and snow-pressing integrated snow-removing equipment, and relates to the technical field of snow-removing equipment, the snow-throwing and snow-pressing integrated snow-removing equipment comprises a special chassis for a snow-removing vehicle, the front end of the special chassis for the snow-removing vehicle is connected with a snow-throwing head, the top of the snow-throwing head is provided with a snow-guiding groove, the outlet of the snow-guiding groove is aligned with the feeding end of a conveying belt assembly, and the conveying belt assembly is obliquely arranged on the special chassis for the snow-removing vehicle. The discharging end of the conveying belt assembly is correspondingly arranged at the feeding hole of the snow pressing box assembly; the snow pressing box assembly is arranged at the rear end of the special chassis for the snow sweeper, and the conveying tail plate assembly is hinged to the lower portion of the discharging end of the snow pressing box assembly. The coupler assembly comprises a coupler fixing support and a coupler, one end of the coupler fixing support is connected with the chassis special for the snow sweeper, and the other end of the coupler fixing support is connected with the coupler in a welded mode. The problems of single function and frequent back-and-forth transportation of existing equipment are solved, and the back-and-forth transportation times of vehicles are effectively reduced.

The utility model discloses a three-in-one formula sponge floor brush belongs to the field of cleaning tools. Including connecting handle, wipe sponge and disposable dust cloth, the front surface of connecting handle is provided with the clamping slot, the inside card of clamping slot and is connected with the connecting swivel block, the other end rotationally connected with floor brush of connecting swivel block, the utility model discloses a three-in-one formula sponge floor brush can improve cleaning efficiency and convenience significantly. Its through the clamping structure of connecting swivel block and clamping slot, can adjust floor brush angle flexibly, adapts to different cleaning scene. When dry wiping, disposable dust cloth is fixed with the help of sticky structure, and high -efficient adsorption dust hair is avoided secondary pollution, and the three -layer structure of wipe sponge plays the synergistic effect in the wet wiping stage, and the close adhesion of the bottom plate adhesive layer and the floor brush's sticky burr, the elastic support of EVA material provides, and the ground contact soft layer cooperates the division line, can be along with ground camber deformation, and the dirt in the gap is removed, and the cleaning is more thorough.

The utility model discloses a planting frame for agricultural planting, which belongs to the field of agricultural planting frames and comprises a protective frame, a plurality of fixing laminates are arranged in an inner cavity of the protective frame, planting pots are fixedly connected to the tops of the fixing laminates, a water storage tank is fixedly connected to the top of the protective frame, and a collecting cover is fixedly connected to the top of the water storage tank. A filter screen is arranged at the top of the collecting cover, a communicating pipe is arranged on one side of the water storage tank, a plurality of spraying pipes are fixedly connected to the outer surface of the communicating pipe, and a conveying pipe is fixedly connected to one end of each spraying pipe; through cooperative use of all the devices and a rainwater recycling system composed of the water storage tank, the collecting cover, the filter screen and other assemblies, the problem that a rainwater collecting and recycling mechanism is lacked is effectively solved, natural rainfall resources are fully utilized, dependence on external water sources such as tap water is reduced, and the irrigation cost is reduced.

The application relates to the technical field of raw material pretreatment, in particular to an activated carbon fiber raw material pretreatment device, which comprises a treatment box, a base fixedly installed at the bottom of the treatment box, a feeding hopper fixedly connected to the top end of the treatment box, a discharging pipe fixedly connected to the bottom end of the treatment box, two crushing rollers arranged in the treatment box, and a driving structure arranged on the treatment box and used for driving the two crushing rollers to rotate in opposite directions; a filter plate is arranged below the crushing rollers in the treatment box, the filter plate is in an inverted V-shaped structure, guide plates are fixedly connected to the two sides of the filter plate, and a shaking unit for driving the filter plate to shake is arranged in the treatment box; the uniformity of the discharging granularity is ensured, the utilization rate of the raw material is improved, and manual collection of the unfiltered raw material and refeeding of the raw material into a crusher for secondary crushing are not needed.

This utility model relates to the field of cephalosporin nucleus processing technology, specifically a raw material pulping machine for cephalosporin nucleus. It includes a pulping tank with a pulping assembly on the top and mounting holes on the side. Through the coordinated use of a sealing cover, electric adjusting rod, top plate, stirring motor, stirring rod, pulping blades, connecting plate, cleaning pad, and abutment pad, the pulping assembly can move up and down via the electric adjusting rod, driving the top plate, stirring motor, stirring rod, pulping blades, connecting plate, cleaning pad, and abutment pad. This allows the pulping blades to stir the cephalosporin nucleus raw material while the cleaning pad and abutment pad clean the inner wall of the pulping tank, preventing residue of cephalosporin nucleus raw material from remaining on the inner wall, ensuring pulping effect, reducing raw material waste, and preventing contamination inside the pulping machine. A transparent plate is fixed in the mounting holes on the side of the pulping tank, allowing operators to directly observe changes in the liquid level of the material inside the tank.

The invention discloses a normal-pressure hot water radiant panel heating system for a badminton stadium. A plurality of hot water radiant panels are suspended above the badminton stadium; the hot water radiant panel is respectively connected into a water supply pipe and a water return pipe through pipelines to form a hot water circulating system; an electromagnetic heater is arranged on the water supply pipe and / or the water return pipe; and an open type expansion water tank is arranged on the water supply pipe and / or the water return pipe. The electromagnetic heater, the circulating pump and the expansion water tank are additionally arranged on the water supply pipeline of the hot water radiant panel, the facilities are all installed at the top of the badminton hall with the height of 8-10 m, a heating system is formed to be arranged on the same horizontal plane, and the running problems of emptying, air resistance and the like cannot occur even if the heating system runs at normal pressure.

The utility model relates to the technical field of cup sealing machines, and discloses a sealing and typewriting integrated cup sealing machine which comprises a rack, a rotating roller and a driving motor which are adjacent to each other are mounted above the rack, a film rolling barrel is mounted on the periphery of the rotating roller, a recycling barrel is mounted on the periphery of an output shaft of the driving motor, a plurality of rollers are fixed in the rack, and the rotating roller and the driving motor are arranged on the rack. The multiple rollers define an operation space, a heat sealing module located below the recycling barrel and a typewriting module located below the film rolling barrel are installed in the operation space, a rolling film is installed on the periphery of the film rolling barrel, the rolling film sequentially passes through the surfaces of the multiple rollers to be connected with the recycling barrel, and the rolling film sequentially passes through the typewriting module and the heat sealing module. Functions of the typewriting module and the heat sealing module are integrated into a whole, the occupied space of equipment and the complexity of the production process are reduced, the design that the rolled film sequentially passes through the typewriting module and the heat sealing module is adopted, the operation process is simplified, manual intervention is reduced, and the production efficiency is improved.

This invention discloses an equipment and method for processing plastic bags for supermarkets. A raw material unwinding and feeding mechanism is located on the outside of the processing frame and outside the processing box, used for automatic unwinding, guiding and correcting deviations, flattening and wrinkle removal, and stable traction feeding of rolled plastic bags. A middle transition conveyor assembly is located in the middle of the frame, between the guiding mechanism and the cutting conveyor assembly, with its front and rear ends connected to the guiding mechanism and the cutting conveyor assembly respectively, and fixedly connected to the frame, used for the transition conveying of rolled plastic bag materials. A cutting section drive assembly is located on the machine frame and used to drive the movement of the cutting conveyor mechanism. This invention features a conveyor belt that does not sag during long-term operation, smooth and stable film conveying, reduced blade wear speed, flexible adjustment of the cutting position, and adaptability to the processing needs of plastic bags with different film widths and sizes. The equipment has greater versatility, reduces manual intervention, and significantly improves production efficiency.

This invention relates to the field of automatic feeding equipment technology, and discloses an online automatic feeding system for aluminum formwork corner fitting molds, including a fixed frame, a trolley, and a material plate. The material plate is placed on top of the trolley. A crossbeam is fixedly installed on the middle left side of the fixed frame, and the surface of the crossbeam is covered with a conveyor belt. A control console is fixedly installed on the surface of the fixed frame on the right side. A top frame is fixedly installed at the top of the fixed frame, and a hoist frame is fixedly installed at the top right of the top frame. A chain is pulled below the hoist frame. This invention, through the coordinated arrangement of the hoist frame, inclined traction plate, and conveyor belt, allows the material plate to be lifted by pushing the trolley under the hoist frame. Then, the material plate is slid onto the conveyor belt by the inclined traction plate. This achieves integrated feeding and conveying of the material plate, greatly improving the conveying operation of aluminum formwork corner fittings and other material plates.

This utility model discloses a riverbed foundation excavation device, comprising: an excavation assembly, which includes a boom, a telescopic rod, a bucket, and a fixed base; and a scraping assembly, which includes a support shaft, a limiting plate, a torsion spring, a connecting ring, a connecting rod, and a connecting plate. There are two support shafts, fixed to both sides of the bucket. The limiting plate is fixed to the end of the support shaft furthest from the bucket. The connecting ring is sleeved on the support shaft. The torsion spring is sleeved on the support shaft, with one end fixed to the side of the bucket and the other end fixed to the side of the connecting ring. The connecting rod is fixed to the connecting ring, and the connecting plate is fixed to the connecting rod. This invention addresses the problem that when existing excavators excavate riverbed soil, excess debris remains along the bucket's movement path. The bucket itself cannot effectively scrape away this debris, requiring repeated scraping to clean it, resulting in time-consuming and labor-intensive construction, and increased manpower and energy consumption.

The utility model belongs to the field of medicine, and particularly relates to a concentration and spray drying all-in-one machine for extracts in kudzuvine roots, which comprises a base, a first support, a concentration chamber, a first temperature control plate, an electric heating wire, a sealing plate and the like, the first support is mounted at the top end of the base, and the concentration chamber is mounted on the upper portion of the first support in a sleeved mode. An annular cavity is formed in the inner wall of the concentrating chamber, the upper end of the annular cavity is closed, the lower end of the annular cavity is open, the first temperature control plate is installed on the front portion of the concentrating chamber, the electric heating wire is installed in the annular cavity and electrically connected with the first temperature control plate, the sealing plate is installed at the lowest position of the annular cavity, and the bottom end of the sealing plate is flush with the bottom end of the annular cavity. The concentration and drying functions are integrated, so that the integrated operation of extract treatment is realized, the occupied area of equipment is reduced, the cost of the equipment is reduced, pollution and loss possibly caused in the process that the extract is transferred among different equipment can be avoided, and the efficiency and the quality of extract treatment are improved.

The utility model discloses a kind of pretreatment mechanism for PVC plastic particle hot melting, including material cylinder, the compression stirring rod of rotation installation in material cylinder inside and the hot melting cylinder of fixed setting in material cylinder inside, material cylinder top end is equipped with the reduction motor for driving the rotation of compression stirring rod.Said compression stirring rod includes taper shaft, spiral arrangement in the rotating vane of taper shaft surface and the stirring shaft rod at its bottom end, hot melting cylinder surface is equipped with several homogenization holes, and along axial fixed mounting has electric heating ring.By taper compression structure and spiral conveying cooperation, PVC plastic particle is gradually compacted and forms stable material flow in conveying process.The utility model integrates compression, heating, hot melting and mixing function in the same structure, realizes the efficient pretreatment of PVC plastic particle before entering extrusion or molding equipment, compact structure, stable operation, it is favorable to improve subsequent processing quality and production efficiency.

The invention discloses a biomarker detection kit and a detection method for prognosis evaluation of multiple myeloma, and relates to the technical field of biological medicine detection.According to the kit, circMYC and circSETD2 bicyclic RNA combination in serum exosomes serves as a core prognosis marker, and the kit contains an exosome solid phase capture reagent, sulfydryl modified silicon dioxide magnetic beads and the like; the isothermal amplification detection reagent contains a specific SDA primer pair and the like; a double quality control reagent containing a CD63 peptide fragment marker and the like; positive control and negative control are provided; the serum exosome bicyclic RNA is selected as a core prognostic marker, a complete detection system is constructed, an exclusive reagent efficiently enriches and purifies the exosome, the detection specificity and accuracy are improved, a reliable basis is provided for prognostic layering, integrated operation is achieved, the process is simplified, clinical application is achieved, quantitative analysis is matched with a clear interpretation standard, and the detection efficiency is improved. The reagent is stable and convenient, the result is comparable, and the clinical application value is improved.

This invention discloses a metallurgical coke sampling device and its usage method, relating to the field of detection technology. The device includes: a sampling handle, a sampling rod, a sampling storage tank, and a sampling port. One end of the sampling rod is connected to the sampling handle. The sampling storage tank includes a sampling tank body, which has a first mounting end and a second mounting end. The first mounting end is used to connect to the end of the sampling rod furthest from the sampling handle. The sampling port is detachably installed at the second mounting end. The sampling tank body is provided with an expansion structure to increase the amount of sample taken at one time, and / or a leak-proof structure to prevent the sample from spilling during sampling. The device is simple in structure, easy to use, effectively improves the representativeness of the sample, and effectively improves the accuracy of the average particle size detection of metallurgical coke, providing reliable data support for coking production and blast furnace smelting operations.

The utility model relates to an external gear oil filtering and purifying system which comprises a main drive, a waste oil settling tank, a filtering and purifying unit and a cooling unit, the main drive is provided with two waste oil outlets and two oil filling ports, and the two waste oil outlets are respectively connected with the filtering and purifying unit through an oil outlet pipeline system. The outlet end of the filtering and purifying unit is connected with the inlet end of the cooling unit through a pipeline, the outlet end of the cooling unit is connected with the two oil injection ports through two oil inlet pipelines, the waste oil settling tank is connected with one pipeline in the oil outlet pipeline system through a bypass branch, and a three-way diverter valve is arranged at a connecting port of the bypass branch and the oil outlet pipeline. The system is good in purification effect and high in cooling efficiency.