78results about How to "Guaranteed to pass" patented technology

The utility model discloses an auxiliary syringe for nursing. The auxiliary syringe comprises a needle tube; a needle hub; a needle cylinder and an injection rod; the needle cylinder comprises a connector, the end, away from the needle base, of the connector is fixedly connected with a cylinder, and the end, away from the connector, of the cylinder is fixedly connected with a baffle; the outer wall of the piston is fixedly connected with a stand column, the outer wall of the stand column is fixedly connected with elastic plates, and the elastic plates are symmetrically arranged along the central axis of the stand column. The utility model relates to the field of injectors. The syringe is provided with the baffle ring, the stand column, the elastic plates and the limiting buckle, the dredging hole in the baffle ring ensures normal passing of fluid, the diameter of the baffle hole is slightly larger than the longest straight line in the cross section of the stand column and smaller than the distance between the end points of the free ends of the two elastic plates, and the problem that some people use the used syringe to extract medicine for secondary injection is solved; therefore, secondary pollution to the patient is avoided, the injection health of the patient is ensured to a certain extent, and the patient is more relieved.

The invention discloses a lifting type guide chute, and relates to the technical field of guide chutes, the lifting type guide chute comprises a support frame and a guide chute body, and further comprises an adjusting mechanism arranged on the inner wall of the guide chute body, the adjusting mechanism comprises a rotating plate, a spring fixed above the rotating plate through a groove, a base plate fixed with the top end of the spring, and an adjusting assembly, according to the lifting type material guide groove, the adjusting mechanisms are arranged in the side plates of the material guide groove, when materials are discharged, the impact force of material descending can be relieved, scattered materials can be conveniently gathered in the middle of the conveying belt during discharging, the side plates are protected, the conveying belt is not prone to falling, and the material guide groove is convenient to use. And meanwhile, by adjusting the angle of the rotating plate, the discharging speed and quantity of the materials can be controlled, the discharging stability is further improved, the situation that the materials are excessively stacked, the conveying efficiency is affected, the conveying belt is protected is avoided, the maintenance frequency is reduced, and the service life of the conveying belt is prolonged.

The invention relates to the technical field of capacitor electrolyte manufacturing, in particular to an ultrahigh-conductivity capacitor electrolyte formula and a preparation method thereof.The ultrahigh-conductivity capacitor electrolyte formula comprises a main solvent, a solute and an additive, an organic solvent in the main solvent and a low-viscosity organic solvent are mixed according to a specific proportion, the dielectric property and the ion migration environment of the solvent can be effectively balanced, and the conductivity of the capacitor is improved; and a good condition is created for ion transmission. And through reasonable matching and concentration control of high-dissociation-degree salts and organic salts in solutes, sufficient dissociation and efficient transmission of ions are ensured, and the conductivity of the electrolyte is greatly improved. A plurality of additives are added according to a specific proportion and properties, the conductivity enhancing additive forms a conductive network, the electrode protection additive forms a uniform protection film on the surface of an electrode to improve the interface stability, the electrolyte stabilizing additive inhibits decomposition and oxidation reactions in a wide temperature range, and stable performance and high conductivity of the electrolyte are guaranteed through a synergistic effect.

The invention discloses a protective conveyor for medicament preparation, and belongs to the technical field of conveyors, the protective conveyor comprises a supporting rack mounted above the ground through supporting legs, a conveying motor is fixedly mounted on the outer side of the left end of the supporting rack, a conveying roller is rotatably mounted on the supporting rack, and a conveying belt is mounted on the outer side of the conveying roller; supporting plates are fixedly installed on the front side and the rear side of the supporting rack correspondingly, the telescopic portions, close to the conveying belt, of the supporting plates are movably connected with transverse moving movable frames, adjusting plates are movably connected to the outer sides of the transverse moving movable frames through connecting pieces, and meanwhile adjusting screw rods are connected to the adjusting plates in a penetrating and threaded mode. The end of the adjusting screw rod is rotationally connected with two guide protection plates, and the two guide protection plates are symmetrically arranged relative to the supporting rack. According to the protective conveyor for medicament preparation, medicaments can be effectively guided and protected in the conveying process, the medicaments can be automatically limited after a machine breaks down and suddenly stops, the medicaments are prevented from toppling and bumping in the conveying direction, and the conveying safety is effectively improved.

The invention provides a harmless treatment waste gas remelting combustion device which comprises a cooling mechanism used for reducing the temperature of waste gas; the impurity removing mechanism is connected with the cooling mechanism through a first waste gas connecting pipe and is used for filtering impurities in the waste gas; the combustion mechanism is connected with the impurity removal mechanism through a third waste gas connecting pipe and is used for fully combusting the waste gas; the temperature of waste gas can be reduced, impurities can be dissolved, and the filtering effect of an activated carbon plate can be guaranteed through a spraying assembly of the cooling mechanism, oil, water, vapor and flow velocity can be adjusted through a water retaining assembly, continuous work can be guaranteed and unfiltered waste gas can be prevented from passing through when the activated carbon plate is replaced through a filtering and air exhaust assembly of the impurity removal mechanism, and the air exhaust assembly can accelerate filtering and supply oxygen to promote combustion. The gas flow is accurately regulated and controlled through the quantity control assembly of the combustion mechanism, waste gas is preheated through the combustion filling assembly, energy is saved, and sufficient combustion is promoted.

The invention relates to the field of graphite preparation, in particular to a large-specification graphitization furnace end conductive electrode preparation process which comprises the steps of ingredient mixing, mixing and kneading treatment, vibration forming and roasting in a roasting furnace to obtain an electrode blank, graphitization is conducted through a tandem graphitization furnace, the starting power is 2415 kW, the power is increased to 2938 kW within 6.5 h, the power is reduced to 2455 kW within 3 h, the power is increased to 5306 kW within 40 h, the power is increased to 6595 kW within 6.5 h, and the power is increased to 12000 kW within 6.5 h. According to a graphitization power supply curve, for a large-specification graphite electrode, it is ensured that the internal stress and volatile components are within a controllable range in the graphitization temperature rising process; as sponge coke and pellet coke in an electrode blank formula are high in sulfur content, too fast reaction and release of sulfur and sulfur-carbon compounds during high-temperature heating are controlled, internal force generated in the graphitization process is reduced, cracks are reduced, tiny holes and cracks are prevented from being formed in an electrode, and the density and the electric conductivity are improved.

The invention discloses an underwater video robot detection device and method, and relates to the technical field of diving equipment manufacturing. The underwater video robot detection device comprises an underwater robot, the outer wall of the underwater robot is movably connected with detection equipment, the bottom of the underwater robot is fixedly connected with a base, the bottom of the underwater robot is fixedly connected with a driving mechanism, and the inner wall of the underwater robot is fixedly connected with a guide fan. According to the underwater video robot detection device and method, when water flow passes through the transverse pipe, the Bernoulli principle is combined, irritant medicine powder in the storage bag is squeezed into the transverse pipe under squeezing of pressure intensity, the medicine powder is driven to move by means of pressure intensity difference generated by flowing of the water flow, fish and shrimps are repelled, and the effect of preventing and treating the fish and shrimps is achieved. The influence of fishes and shrimps on the device is avoided, and the other port of the transverse pipe is arranged at the position of the underwater robot, so that the medicine powder mixed water flow can flow through the underwater robot.

The present invention discloses a transition method of the contact network in the construction of the top culvert in the switch area of ​​an electrified railway. A second transition contact network column foundation is constructed at the roadbed outside the jacking range; a second transition column is installed on the second transition contact network column foundation, and a transition hard span beam is installed on the first transition column and the corresponding second transition column. The transition hard span beam extends along the direction of the railway line, and a transition hanging device located just above the switch is provided on the transition hard span beam; the existing contact network line located just above the switch is hung on the transition hanging device, and then the existing contact network column foundation and the existing contact network cross are removed. The transition method will not affect the jacking construction of the subsequent jacking frame bridge culvert, and at the same time ensures that the existing contact network line is located just above the switch, which can ensure that the electrified train can pass the switch normally. In addition, the length of the hard span beam can be saved.

The invention belongs to the field of plastic product production and processing equipment, and particularly relates to a regenerated plastic particle storage, drying and conveying system which comprises a drying box, fixing plates are fixedly connected to the two sides of the left end face and the right end face of the inner cavity wall of the drying box, and a drying frame is fixedly connected to the piston end of a spring damper. A water filtering plate is fixedly connected to the middle of the inner side of the drying frame, a plurality of through holes are formed in the water filtering plate, and the drying frame is provided with an anti-particle extrusion type overturning dredging mechanism for preventing the through holes from being blocked by impurities. According to the anti-particle extrusion type turning dredging mechanism, in the process that plastic particles are thrown by a water filtering plate, a plurality of dredging rods can be driven to penetrate through a plurality of through holes, impurities attached to the hole walls of the through holes are pushed out under the action that the dredging rods abut against the hole walls of the through holes, and the impurities attached to the hole walls of the through holes are removed; and the situation that impurities block the through holes is avoided, normal passing of water is guaranteed, and the drying efficiency is improved.

The utility model relates to the technical field of dust removal, and discloses a water control dust remover for powder raised dust purification treatment, which comprises an outer box, a filter seat is fixedly connected inside the outer box, the bottom of the filter seat is fixedly connected with a motor device, the outer side of the motor device is fixedly connected with a scraper, and the scraper is fixedly connected with a water pump. The top of the outer box is fixedly connected with a box cover, one side of the outer box is fixedly connected with a spraying device, and one end of the spraying device is fixedly connected with a filtering block. Through the arrangement of the filtering seat, the scraping plate and the motor device, the dust removal efficiency and quality can be guaranteed; the bottom of the scraping plate is provided with a brush, the brush can brush the through groove in the filtering base through rotation, it is guaranteed that the through groove is not blocked by dust, then smoothness of the through groove is guaranteed, the scraping plate can drive water mist and gas when rotating, the water mist and the gas can be fully mixed, and the dust removal quality is guaranteed.

The utility model relates to the field of coal processing, and discloses a crushing device which comprises a storage mechanism used for storing coal raw materials and a crushing mechanism arranged in the storage mechanism and used for crushing the coal raw materials, and further comprises a filter screen arranged in the storage mechanism and located below the crushing mechanism, the filter is used for filtering coal raw materials; the cleaning mechanism is arranged on the storage mechanism, is positioned below the filter screen and is used for cleaning the filter screen; the cleaning mechanism comprises a pushing piece and a cleaning piece, wherein the pushing piece is arranged on the storage mechanism in a penetrating mode; the cleaning brush is arranged on the pushing part, is positioned below the filter screen and is used for cleaning impurities in the filter screen. According to the coal filtering device, the impurities left in the filter screen are cleaned, the cleanliness of the filter screen is kept, and the coal filtering efficiency of the filter screen is improved.

The present invention discloses a variable structure corrugated radiator for engineering machinery, belonging to the technical field of radiators, comprising fins, wherein the fins are corrugated with variable wavelengths, and a plurality of spoiler protrusions are arranged on the surface of the side facing the flow channel; the wavelength of the corrugated fins and the size of the spoiler protrusions vary with the thickness of the radiator. The present invention can make full use of the effect of the corrugated fins and the spoiler protrusions in strengthening the heat transfer of airflow, and effectively improve the heat exchange performance of the radiator without increasing too much flow resistance.

This utility model discloses a low-load liner for preventing material blockage, relating to the field of liner technology. It includes a liner body comprising an upper liner, a middle liner, and a lower liner fixed sequentially from top to bottom. The bottom of the inner wall of the upper liner has an installation groove, within which a vertically positioned limiting post is fixed. A slider is sleeved and slidably connected to the limiting post. A filter plate mounting seat is fixed to the side wall of the slider away from the limiting post. The top of the filter plate mounting seat is fixed to the filter plate body, and a column is fixed through and fixed to the top of the filter plate body. A vertical rod is fixed to the inner wall of the middle liner via a horizontal plate. The top of the vertical rod penetrates the bottom of the column and extends into a cavity at the bottom of the column. A compression spring connects the inner edge of the top of the cavity and the outer edge of the top of the vertical rod. This utility model effectively solves the material blockage problem of traditional liners under low-load conditions, helping to improve the performance of related material conveying and processing equipment and reduce production and operating costs.

This invention discloses a solid material feeding device for a cooking machine, relating to the field of cooking machines. It includes a feeding box, which is a container with an opening at one end. A feeding assembly is installed inside the feeding box, including a feeding rack that can move along its length inside the feeding box, pushing the material inside the box to the opening end and feeding it into the cooking pan. Vertical cavities are formed on both sides of the feeding rack, each housing a vertical brush roller. A horizontal cavity is formed at the bottom of the feeding rack, housing a horizontal brush roller. This invention integrates the feeding rack with the cleaning structure, simultaneously feeding solid material and driving the vertical and horizontal brush rollers to rotate synchronously, thoroughly cleaning the side walls and bottom surface of the feeding box. This effectively solves the problem of material residue and avoids food safety hazards caused by accumulated dirt.

The invention relates to a cleaning backflow water storage device for environment detection, which comprises a clean water barrel, a backflow barrel arranged on the left side of the clean water barrel, a mounting plate arranged between the middle parts of the clean water barrel and the backflow barrel, a cover frame slidably arranged on the clean water barrel and the backflow barrel, a liquid suction assembly arranged on the clean water barrel, and a heating assembly also arranged on the clean water barrel. The filtering mechanism is arranged on the mounting plate, and the cleaning mechanism is arranged on the front side of the mounting plate. The cleaning mechanism is arranged, vessels are placed in the cleaning frame to be cleaned, waste water can be prevented from splashing outwards, waste water after cleaning possibly contains pollutants, the waste water is subjected to backflow through the backflow assembly, waste water storage is facilitated, meanwhile, the waste water backflow process is adjusted through the three-way piece according to the form of waste water, waste water backflow is more targeted, and waste water recycling is facilitated. The backflow barrel is prevented from being blocked by impurities, and the overall wastewater recycling efficiency is improved.

The utility model discloses a fixed heating device of an internal serial box type graphitization furnace, and belongs to the technical field of lithium battery material production. The graphitization furnace comprises a furnace box and a conductive structure penetrating through the whole furnace box, the conductive structure comprises first conductive strips, second conductive strips and cushion blocks, the cross section of each first conductive strip is an isosceles trapezoid, the cross section of each second conductive strip is a right trapezoid, and a plurality of first trapezoid slopes are attached end to end to form a row; a cushion block is connected right below the joint of the two conductive strips by using an adhesive; the conductive structures are arranged in a plurality of columns, each column is provided with a plurality of layers, the cushion blocks of the first layer of conductive structures are adhered to the bottom of the furnace box through adhesives, and then the cushion blocks of each layer are adhered to the top faces of the conductive strips through adhesives. The graphitization furnace can avoid large explosion danger, and is low in construction cost, high in productivity and suitable for popularization.

The utility model discloses a microcapsule color-changing pigment storage device and relates to the field of pigment storage, the microcapsule color-changing pigment storage device comprises a base and a plurality of stacked storage boxes, a supporting plate is arranged above the base, the supporting plate is fixedly connected with the base through a stand column, and the storage boxes are placed on the upper surface of the supporting plate; the supporting plate is of a hollow structure, an air inlet cover is fixedly arranged on the lower surface of the supporting plate, an air inlet fan is fixedly arranged at an opening in the bottom of the air inlet cover, and a plurality of evenly-distributed air outlet holes are formed in the upper surface of the supporting plate. According to the microcapsule color-changing pigment storage box, an air blowing and ventilating structure is adopted, so that air around the storage boxes flows, the phenomenon of damp deterioration is avoided, and the storage safety of microcapsule color-changing pigments is improved.

The utility model relates to the technical field of sand washing production, in particular to a tail pipe roller centralizing device for sand washing, which comprises a centralizing cylinder, a first limiting ring seat is arranged inside the top end of the centralizing cylinder, a limiting sleeve is arranged in the middle of the centralizing cylinder, and a connecting sleeve is arranged at the bottom of the centralizing cylinder. The bottom end of the centralizing cylinder is movably connected with a lower connector, and the surface of the lower connector is fixedly connected with a threaded pipe. Through the centralizing cylinder, the first limiting ring seat, the lower joint, the threaded pipe, the pressure spring, the roller frame, the limiting roller and the conical groove, the oil pipe can be effectively centralized and prevented from vibrating without influencing the movement of the small oil pipe, and in the actual use process, the tail pipe roller type centralizing device is connected to the bottom of the large oil pipe, so that the oil pipe can be effectively centralized along with the descending of a sand surface. The small oil pipe is limited to move in the centralizing device under the action of gravity, the rollers are located on a conical surface with a narrow upper portion and a wide lower portion, and the distance between the rollers changes along with movement of the inner wall of the conical surface.

The present invention provides an integrated device of a flash tower and a capillary absorber and a working method thereof, comprising a desulfurization tower and a capillary absorber; the desulfurization tower is an inverted U-shaped structure, one side is a desulfurization flash side, and the other side is a solution absorption side; the capillary absorber is located in the solution absorption side, a concentrated solution inlet pipe is arranged above the capillary absorber, and the desulfurization tower is connected with a dilute solution outlet pipe and a vacuum pipe below the capillary absorber; the capillary absorber comprises a top capillary tube sheet and a bottom capillary tube sheet, the top capillary tube sheet and the bottom capillary tube sheet separate the inside of the solution absorption side, a plurality of capillaries are arranged between the top capillary tube sheet and the bottom capillary tube sheet, and the top and bottom ends of the capillaries are connected with the top capillary tube sheet and the bottom capillary tube sheet. The water in the desulfurization slurry after wet desulfurization in the thermal power system is evaporated, and the heat is carried and transported by water vapor in the form of latent heat, and the latent heat of water and water vapor is absorbed and recovered.

The present invention discloses a method for manufacturing a centrifugal pump impeller structure, which includes a rear cover plate and at most two blades arranged on the rear cover plate, wherein the blades are arranged on the rear cover plate in a spiral shape, one end of the blades is placed in the middle of the rear cover plate area, and the other end of the blades extends to the edge of the rear cover plate. The present invention arranges at most two blades on the rear cover plate, and cooperates with the design of two key parameters, namely, the ratio of the relative velocity of the blade outlet to the relative velocity of the inlet, and the ratio of the axial velocity of the blade inlet to the velocity of the water suction chamber inlet, to avoid excessive deceleration or acceleration of the fluid inside the impeller structure, thereby significantly improving the operation efficiency and stability of the pump.

This utility model relates to the field of coking waste liquid filtration technology, including a housing, and further including: filter boxes, collection boxes, and discharge boxes. Multiple filter boxes are arranged inside the housing via a rotating mechanism. The rotating mechanism drives the multiple filter boxes to alternately filter the coking waste liquid. The collection box is located at the top of the housing via a reciprocating mechanism, which drives the collection box to reciprocate during the alternation of filter boxes. A discharge port is provided on one side of the housing, and the discharge box is connected to the discharge port. This invention addresses the problem that after prolonged use, impurities easily adhere to the surface of the filter plates, thus affecting the filter plate's permeability and reducing the initial filtration effect of the coking waste liquid.

The invention belongs to the technical field of waterway slip rings, and particularly relates to a waterway slip ring and a cooling liquid conveying method.The waterway slip ring comprises a water cooling cavity, a water inlet pipe and a water outlet pipe are arranged on one side of the water cooling cavity, connectors are arranged on the water inlet pipe and the water outlet pipe, and a rotating shaft is rotationally arranged in an inner cavity of the water cooling cavity; the rotating shaft is used for being connected with a rotating part of equipment and rotating along with the rotating part, a cooling water pipe is fixedly connected to one side of the rotating shaft, pipe openings in the two sides of the cooling water pipe are communicated with a water inlet and a water outlet in the rotating shaft respectively, and a mechanical sealing piece is arranged between the water cooling cavity and the rotating shaft. The regular automatic lubricating assembly is utilized to lubricate the bearing, the process of manually lubricating the bearing is omitted, convenience is achieved, and the situations that the oil injection amount is difficult to accurately control, so that excessive or insufficient lubrication is caused, grease leaks to pollute a water cavity, and an effective oil film cannot be formed are avoided; and the long-term stability and reliability of the working of the bearing are further ensured.

The invention provides a gas-liquid separator which comprises a cylinder body, connecting pipes are arranged at the two ends of the cylinder body, and a plurality of gas-liquid separation assemblies are arranged in the cylinder body in the axial direction of the cylinder body; the gas-liquid separation assembly comprises a plurality of condensation blade units, the condensation blade units are parallel to one another, the two ends of the condensation blade units are aligned to one another, and the contours of the condensation blade units are closely laid on the orthographic projection of the gas-liquid separation assembly in the length direction. A plurality of condensation blade units are adopted to form the gas-liquid separation assembly, assembly is convenient, large-area plate machining in the manufacturing process is avoided, large machines do not need to be adopted, and the manufacturing difficulty and cost are reduced; meanwhile, deformation errors are reduced, gaps generated by the deformation errors are far smaller than the blade spacing of the condensation blade units, it is guaranteed that all airflow passes through the gas-liquid separation assembly, and the actual separation effect is improved.

This utility model relates to the field of waste interception technology and discloses a waste interception device for the inlet of a hydropower plant unit. It includes an inlet channel, a filter screen (two sets) housed within the inlet channel cavity, a fixing component between the two sets of filter screens, a waste discharge component within the fixing component cavity, and a scraper between the two sets of filter screens. An installation cavity is located above the inlet channel, housing a drive unit and a discharge pipe. By setting two sets of filter screens and the fixing groove to form a trapezoidal structure, the filtration area is expanded to improve impurity interception efficiency, and the flushing force of the water flow is used to gather impurities to the front of the fixing groove for subsequent centralized cleaning. Simultaneously, the cylindrical space formed by the fixing groove and the arc-shaped pipe provides a collection area for waste. The scraper, shaped like a fan and fitting against the outer wall of the arc-shaped pipe, combined with its lifting action, can thoroughly clean impurities from the gaps in the filter screens and the outer wall of the arc-shaped pipe, avoiding cleaning dead zones.

The invention discloses a high-transparency and high-barrier paper-based packaging material based on in-situ layered construction and a preparation method of the high-transparency and high-barrier paper-based packaging material, and belongs to the technical field of pulping, papermaking and paper-based functional materials. The method mainly comprises the following steps: 1, preparing carboxymethyl fibers; 2, preparing the TEMPO oxidized nano cellulose; 3, preparing raw paper of the high-transparency fiber supporting layer; 4, preparing a hydrogel precursor solution; 5, preparing a mixed coagulating bath; and 6, preparing the high-transparency and high-barrier paper-based packaging material. The invention provides a technical concept of'in-situ layered construction ', a high-transparency and high-strength fiber supporting layer is constructed through plant fibers, CM-fibers and TEMPO oxidized nanofibers, and the high-transparency and high-strength fiber supporting layer is prepared by utilizing the principles of ionic crosslinking and solvent exchange. A hydrogel optical interface layer for filling matrix pores and a compact surface barrier functional film layer are synchronously constructed on the surface of the fiber supporting layer, and finally the high-transparency and high-barrier paper-based packaging material constructed based on in-situ layering is prepared.

The invention discloses a self-cleaning winding type filter, and relates to the field of air purification equipment, the self-cleaning winding type filter comprises a filter frame, a feeding device, a guide roller assembly and a material receiving device are sequentially arranged in the filter frame, and two dust removal ports are respectively formed in the material outlet / inlet position of the feeding device and the material inlet / outlet position of the material receiving device; according to the invention, through the arrangement of the feeding device and the material receiving device, the filtering surface of the primary filtering cotton in the filter can be conveyed, rolled and replaced, and in the process, the primary filtering cotton can be conveyed, rolled and replaced, so that the primary filtering cotton can be conveyed, rolled and replaced, and the efficiency of the primary filtering cotton is greatly improved. The dust collector is arranged to remove dust and impurities from the original filter cotton, so that the effect of repeatedly utilizing the primary filter cotton through the self-cleaning function is achieved, meanwhile, the frequency and difficulty of manual cleaning are reduced, and the maintenance cost is reduced.

The utility model provides a cutting platform and harvester, wherein the cutting platform includes at least two pairs of ear picking units arranged side by side along the width direction of the cutting platform for ear picking, the ear picking unit includes a first ear picking table, a second ear picking table, an adjusting device and a driving device; the adjusting device is used for adjusting the passing gap of straw between the first ear picking roller and the second ear picking roller, and the adjusting device includes a first adjusting assembly fixed with the first ear picking table to drive the first ear picking table to move left, and a second adjusting assembly fixed with the second ear picking table to drive the second ear picking table to move right; the driving device drives the first adjusting assembly and the second adjusting assembly to realize synchronous adjustment. The cutting platform and the harvester provided by the utility model can synchronously drive the adjusting device to adjust the first ear picking table and the second ear picking table respectively, the passing gap of straw between the first ear picking table and the second ear picking table is adjusted, crops in different regions are adapted, the adjusting structure is simple, and the working efficiency of the harvester can be improved.

The utility model belongs to the domestic appliance technical field, especially a refrigerator structure containing display screen. A refrigerator structure containing display screen contains door body, it includes upper cover plate and lower bottom plate, the upper cover plate is buckled with lower bottom plate fixed, be equipped with display screen installation position and pass through line groove on the lower bottom plate, pass through the line shaft, the pass through line shaft is hollow tubulose, just the display screen installation position with pass through the line shaft sets up respectively at both ends of pass through line groove, the box, be equipped with the wire hole on the box, the wire hole with pass through the line shaft intercommunication, the lower bottom plate with the box are connected through pass through the line shaft rotation. Wire harness is worn into the box from the wire hole, then wire harness passes through in proper order from pass through the line shaft and pass through line groove, until enters display screen installation position. This structure can guarantee wire harness and pass and simple structure, low in cost.

The utility model discloses a double-layer porcelain boat for a high-temperature tube furnace, which comprises a lower-layer porcelain boat, an upper-layer porcelain boat and a lower-layer porcelain boat, the upper-layer porcelain boat is arranged on the lower-layer porcelain boat, a second reaction notch is formed in the top of the upper-layer porcelain boat, a partition plate is fixedly arranged in the second reaction notch and can divide the second reaction notch into a smoke cavity and a storage cavity, the smoke cavity accounts for 1 / 3 of the volume of the second reaction notch, and the storage cavity accounts for 1 / 3 of the volume of the second reaction notch. The storage cavity accounts for 2 / 3 of the volume of the reaction notch II, and the smoke cavity can be communicated with the reaction notch I and the storage cavity; and the top cover is pressed and covered at the second reaction notch of the upper-layer porcelain boat in a matched manner. According to the device disclosed by the utility model, the ring strip is arranged on the bottom surface of the upper-layer porcelain boat and can be embedded into the reaction notch I, so that on one hand, the connection relationship between the upper-layer porcelain boat and the lower-layer porcelain boat is stabilized, and on the other hand, reaction gas can be prevented from leaking and is fully utilized.

The invention relates to the field of hydraulic engineering, in particular to a filtering device for hydraulic engineering. The filtering device for the water conservancy project comprises a collecting pipe, a water inlet pipe and a water outlet pipe are respectively communicated with two sides of the collecting pipe; wherein a collecting assembly capable of moving up and down is arranged in the collecting pipe, and garbage in the collecting pipe can be collected through the collecting assembly; a water blocking assembly is arranged in the water inlet pipe, and water flow can be prevented from passing through the water blocking assembly when the collecting assembly operates. According to the filtering device for the water conservancy project, the collecting assembly is arranged, garbage in the collecting pipe can be effectively collected and cleaned through the collecting plate in the collecting assembly, and when the collecting plate moves upwards, the collected garbage can be brought to the top of the collecting pipe, so that subsequent unified treatment and cleaning are facilitated; not only is the garbage collection efficiency improved, but also normal passing of water flow is ensured, so that the whole filtering device can continuously and stably run.