30results about How to "Guaranteed reserves" patented technology

The invention relates to a processing method of a marble composite board, which includes substrate processing, material selection, lamination, drying, cooling, edge trimming, thickness setting and polishing, inspection and packaging and storage. Through the above steps, the processed substrate and Marble is compounded, and through the time and temperature environment required for drying glue, it is combined with the stone and ceramic tile composite board as a whole, and will not fall off due to residual air. After the stone and ceramic tile composite board is installed, the strength of the marble composite board can be guaranteed. The advantages of the present invention are: the processing method of the marble composite board of the present invention, the upper surface of the substrate is processed into exhaust grooves connected with the four sides of the substrate through the tooling, and then when the marble and the substrate are composited, the marble and the substrate are The air in the glue interlayer between them can not remain, so that the air bubbles can be quickly discharged and the large-area hollowing can be reduced. On the other hand, the exhaust groove on the substrate can also ensure the retention of glue, so as to obtain high-quality marble composite panels. Reduced defective rate.

The invention discloses a layered boiler heat exchange water tank structure based on water-steam-heat energy exchange. The structure comprises a boiler body and a water tank shell, wherein the water tank shell is arranged above the boiler body; a normal-temperature water storage tank, a mixed warm water tank and a high-temperature water tank are sequentially arranged in the water tank shell from top to bottom; a smoke heat exchange layer and a steam heat exchange layer are correspondingly arranged on the upper side and the lower side of the mixed warm water tank; a steam interlayer is arrangedon the top of the high-temperature water tank; a movable shaft penetrates through the middle of the mixed warm water tank; a stirring paddle is integrally arranged in the middle of the movable shaft;and driving blades are arranged at the upper end and the lower end of the movable shaft. According to the structure, a multi-layer water tank structure formed by the normal-temperature water tank, the mixed warm water tank and the high-temperature water tank meets the continuous hot water supply and the multiple spot heating water supply of longer time, and the stirring paddle driven by synchronous water is matched to keep uniform temperature of inside water.

The compressor barrel bottom includes one flat outer edge part welded and fixed to the lower part of the barrel bottom, and one annular raised continuous cup-like turned-U part inside the outer edge part. The annular raised cup-like part includes one outer vertical wall, one inner vertical wall and one transitional top wall between the top of the outer vertical wall and the top of the inner vertical wall. The inner vertical wall has arced cross section inclined towards the center of the compressor from top to bottom. The annular raised part has formed concave semi-spherical bottom part in the inner side, and the barrel bottom has installing feet formed integrally with the outer edge part.

The invention discloses a steel silo unloading device, belonging to the field of steel silo. The bottom of each feeding area is provided with a feeding port, each feeding port is provided with a blocking rod, and the lower end of the blocking rod is jointly connected with a first block located in the lower chamber. The piston plate, the lower part of the peripheral side of the silo shell is provided with a discharge port that can be connected with the lower side of the first piston plate; the upper end of the blocking rod is connected with a lifting rod, and the upper end face of the lifting rod is higher than the upper end face of the material; The inner side of the rod is provided with an air supply cavity, and the lifting rod is spirally distributed with air nozzles connected to the air supply cavity at equal intervals along the height direction. . The discharging uniformity of the invention is good, and the material can be effectively prevented from being hardened.

The invention provides an economical and efficient production method of a tobacco male sterile first generation hybrid seed. The method includes: at an altitude of less than 700 meters, under the climate conditions meeting the requirements of early vegetative growth and later reproductive growth of tobacco plants, conducting seedling culture on a maternal tobacco plant and a paternal tobacco plant separately, then employing isolation planting, performing topping on the maternal tobacco plant, then collecting paternal pollen and preparing pollination, during pollination, adding starch and blending them, adopting an artificial pollination pen or pollination gun to perform pollination, carrying out deblossoming on the maternal tobacco plant both before and after pollination, and when the capsule pericarp browning reaches more than 80%, conducting single fruit harvesting in batches and performing drying, then conducting threshing processing to obtain the male sterile first generation hybrid seed. The method provided in the invention has the advantages of reasonable design, low production investment, and high seed yield. On the basis of ensuring a variety purity (99%) and a seed germination rate (95%), maximization of a high-quality germplasm propagation coefficient is realized, the seed yield is greatly improved, and the seed production cost is decreased significantly.

The present invention relates to the technical field of 5G signals, and discloses a new energy smart street light device that expands 5G signals, including a support column, and the exterior of the support column is fixedly connected with a lamp body, a photovoltaic panel and a signal device. A power storage device is fixedly connected inside, a positioning shaft is movably connected to the top of the support column, fan blades are fixedly connected to the outside of the positioning shaft, and a transmission bevel gear is fixedly connected to the bottom of the positioning shaft. Through the coordinated use of the flywheel, sliding gear, telescopic rod, movable magnetic block, electromagnet, gear column, output shaft, coil and magnetic strip, the stability of the rotation speed of the output shaft is guaranteed, and the wind power generation effect is effectively reduced. The fluctuation of the rotation speed of the output shaft ensures the stability of the wind power generation current, effectively reduces the waste of wind power generation energy, thereby achieving energy saving, effectively ensuring the reserve of electric energy, and thus improving the use effect of this setting.

The invention relates to a garment open-end type zipper sewing template, which belongs to the technical field of garment production and solves the problems of low sewing efficiency and poor quality of garment zipper sewing in the prior art. This garment open-end zipper sewing template includes a bottom plate, a lining pressing plate, a zipper pressing plate, and a panel arranged in sequence. There are several clamping pieces, the panel, the lining pressing plate, and the zipper pressing plate are provided with clamping pieces giving way holes for the clamping pieces to pass through, the bottom plate is provided with several lining adjusting bosses, and the lining pressing plate is provided For the adjustment holes corresponding to the adjustment bosses, the panel is provided with several fabric adjustment bosses, and the zipper pressing plate is provided with adjustment holes corresponding to the fabric adjustment bosses. The open-end zipper sewing template of the garment forms a dislocation when pressing the lining and the fabric, which ensures that the lining / fabric forms a margin of force during sewing.

The invention discloses a multi-laser automatic rehydration sla3D printer, which comprises a casing, the inner side of the casing is fixedly connected with a bearing plate, the bottom surface of the bearing plate is movably connected with a laser head, and the top surface of the bearing plate is fixedly connected There are guide rails, and the front side of the guide rails is movably connected with a sliding connection and a lifting plate. The invention relates to the field of 3D printing equipment. The multi-laser automatic rehydration sla3D printer can judge the photosensitive resin reserve inside the rehydration tank through the support plate and straight tube and other devices, and through the scale at the bottom of the straight tube, which ensures the quality of the photosensitive resin and delays its deterioration. The pressure plate realizes the smooth supply of photosensitive resin in the process of liquid replenishment, which improves the product quality. The scraping of the scraper and scraper avoids the condensation and blockage of the photosensitive resin on the surface of the rubber pressure plate, reducing equipment failure. This solves the problem that the storage of photosensitive resin in the printer is unclear, ripples are easily generated during liquid replenishment, which affects product quality, and the liquid replenishment port is easily blocked.

The invention belongs to the field of operating machinery, and relates to a chain wheel shaft group, in particular to a composite solid lubricated chain wheel shaft group. It includes at least a floating sealing ring and a sealing flange. The floating sealing ring is two geometrically identical metal rings. The floating ring is fixedly connected to the sealing flange. The stationary ring fits the floating ring and the two move relative to each other. Its characteristics are: floating The bonding surface of the ring or the stationary ring is an annular latent pit structure, and there is a solid lubricant in the latent pit. It also includes a bearing, which is composed of an inner ring, an outer ring, a cage and a rolling element, and is characterized in that: the contact surface of the cage, the inner ring and the outer ring is a latent pit structure, and there is a solid lubricant in the latent pit. The design method of the composite solid lubricated sprocket shaft group solves the problems of oil leakage, unreliable lubrication, excessive wear of the floating seal ring, abnormal wear of the inner sleeve of the bearing, damage of the bearing retainer, excessive wear of the spline, and gear coupling in the sprocket shaft group. device damage, etc.

The invention relates to a sweet potato raw whole flour, a production method and a production system thereof and a mechanical peeling unit. The production method comprises the following steps: firstly, mechanically peeling sweet potatoes, slicing the peeled sweet potatoes, pulping the slices in ice water at 0-4 DEG C, and filtering to obtain a first filtrate and a first filter residue; mashing thefirst filter residue, adding cellulase for enzymolysis, and then extruding and filtering to obtain a second filtrate and a second filter residue; mixing the second filtrate and the first filtrate, treating by a colloid mill, and performing microwave vacuum drying at 40-60 DEG C to obtain the first sweet potato raw whole flour; and performing microwave vacuum drying of the second filter residue, and carrying out superfine grinding to obtain the second sweet potato raw whole flour. High temperature is avoided in the whole process, so that gelatinization of the sweet potato raw whole flour in the production process is avoided; adding the cellulase into the filter residue for enzymolysis, carrying out superfine grinding after microwave vacuum drying, filtrate is treated by a colloid mill, andthe fineness of the sweet potato raw whole flour is improved.

The invention discloses a simplified house and relates to the technical field of engineering construction. An integrated steel bar angle steel frame is embedded in the simplified house and plays a firm supporting role on the simplified house. The edges of the integrated steel bar angle steel frame are exposed out of the outer surface of the simplified house. If combined installation of multiple simplified houses is needed, the simplified houses are welded in a welding mode to form a firm whole house, and the simplified house has the advantages of good integral structure property. Due to existence of guiding holes and guiding rods, the simplified house can be rapidly installed and can be also firm and solid, and a large amount of installation time is saved. The simplified house is firm in structure, simple in assembly, short in construction period and worthy of popularization and usage.

The invention discloses a multi-laser automatic liquid supplementing sla3D printer. The multi-laser automatic liquid supplementing sla3D printer comprises a machine shell, wherein a bearing plate is fixedly connected to the inner side of the machine shell, a laser head is movably connected to the bottom surface of the bearing plate, a guide rail is fixedly connected to the top surface of the bearing plate, and a lifting plate is movably and slidably connected to the front surface of the guide rail. The invention relates to the field of 3D printing equipment. According to the multi-laser automatic liquid supplementing sla3D printer, through devices such as the bearing plate and a straight pipe, the storage amount of photosensitive resin inside a liquid supplementing box can be judged through scales at the bottom end of the straight pipe, the quality of the photosensitive resin is guaranteed, and the deterioration of the photosensitive resin is delayed; the smooth supply of the photosensitive resin in the liquid supplementing process is achieved through a sleeve and a rubber pressing plate, and the production quality is improved; the condensation and the blockage of the photosensitive resin on the surface of the rubber pressing plate are avoided through scraping and sweeping of scraper blades and a scraper, and equipment failures are reduced; and the problem that the storage amount of the photosensitive resin of the printer is not clear, and ripples are prone to generate during liquid supplementing, so that the product quality is influenced, and a liquid supplementing openingis prone to block is solved.

The invention relates to a biological ecological purification method for surface water. The technical key points are as follows: the method comprises a resident sewage treatment system and a rain sewage treatment system; the residential sewage treatment system comprises a house main body; a water inlet pipe, a first drain pipe and a second drain pipe are arranged in the house body; discharged sewage is discharged into a high-pressure pump pumping and spraying pool through the first drain pipe, the discharged sewage is discharged into a septic tank through the second drain pipe, septic tank water is pumped into the high-pressure pump pumping and spraying pool through a first water pump to be blended into Baume degree mixed liquid, and then the Baume degree mixed liquid is pumped and sprayedto the ground through a high-pressure pump; according to the rainwater and sewage treatment system, after rainwater flows toward a ditch and a river branch, the ditch and the river branch are dividedinto a plurality of water storage areas, a water storage dam is arranged between every two adjacent water storage areas, the water surface of each water storage area is divided into an aquatic vegetation growth area and a water flow area in the width direction, and a sewage blocking floating mat net is arranged between each aquatic vegetation growth area and the corresponding water flow area. A pollution source is thoroughly cut off, and rainwater and sewage are subjected to split-flow purification treatment.

The invention provides a high-precision and fast-response hydraulic steering system applicable to smart rail cars and a smart rail car equipped with such a hydraulic steering system. The hydraulic steering system has the characteristics of fast response, high precision and high reliability. The intelligent rail car can realize the precise control of the left and right rotation of the axle and the high-precision closed-loop control of the vehicle steering, which can meet the safe driving requirements of the trackless traffic.