21results about How to "Increase reserves" patented technology

The invention discloses a valve collet assembly pressing plate device of an automatic deviation rectifying spring, and relates to the technical field of engine valve collet assembly, the device comprises a lower pressing plate, a lower pressing plate, an upper pressing plate, an upper pressing plate, a lower pressing plate, an upper pressing plate and a lower pressing plate, and the lower pressing plate is provided with limiting grooves in one-to-one correspondence with valve rods on an air cylinder; the mounting groove is formed in the other side of the lower pressing plate and is correspondingly communicated with the limiting groove; when the lower pressing plate is attached to the air cylinder, a valve spring arranged outside the valve rod in a sleeving mode is located in the limiting groove. According to the valve collet assembling pressing plate device capable of automatically rectifying the spring, due to the fact that the lower pressing plate with the limiting groove is adopted to extrude the valve spring, the valve spring is limited in a narrow space, the technical problem that when an engine valve collet is installed, the valve spring is prone to dislocation is effectively solved, and the valve collet assembling pressing plate device capable of automatically rectifying the spring is simple in structure and convenient to use. Therefore, accurate press fitting of the valve springs is achieved, the press fitting fault that all the springs cannot be press-fitted in place at a time is eliminated, and the installation efficiency is effectively improved.

The invention discloses a low-cost alkaline medium oxygen evolution catalyst as well as a preparation method and application thereof, and relates to the technical field of electrochemistry. The preparation method comprises the following steps: step 1, mixing an iron metal source and a cobalt metal source, and preparing a salt solution A with a certain concentration; step 2, washing foamed nickel or a nickel metal source with concentrated hydrochloric acid and deionized water, drying, placing in the salt solution A, and standing for a certain time after ultrasonic treatment; step 3, preparing an alkali solution B with a certain concentration from an alkali solution source; slowly dropwise adding the alkali solution B into the salt solution A to precipitate metal ions; and step 4, taking out the foamed nickel or the nickel metal source in the solution, washing with deionized water and absolute ethyl alcohol, and drying to prepare the oxygen evolution catalyst. The oxygen evolution catalyst disclosed by the invention can be used for preparing a self-supporting OER electrode for catalyzing oxygen evolution, and has the advantages of low cost, high catalytic activity, capability of realizing large-scale production, relatively low environmental influence and the like.

The utility model provides a storage and conveying system for ethanol in a vitamin B6 production workshop, and belongs to the technical field of compound synthesis equipment. Comprising an underground liquid tank, a control tank and a plurality of heat conduction pipes axially and evenly distributed on the outer side of the underground liquid tank, a partition plate is arranged in the middle of the control tank and divides the control tank into a breathing cavity located above the partition plate and a backflow cavity located below the partition plate, the upper ends of the heat conduction pipes are connected with the backflow cavity of the control tank, and the lower ends of the heat conduction pipes are connected with the lower portion of the underground liquid tank. A breathing pipe is connected between the breathing cavity and the top of the underground liquid tank, the top of the control tank is connected with a pressure limiting pipe, the bottom of the underground liquid tank is connected with a low-temperature material pipe, and a backflow cavity of the control tank is connected with a high-temperature feeding pipe. The device has the advantages of low energy consumption and the like.

The invention discloses a method for improving the leaching rate of uranium ore, which can perform controllable shock wave operation in a well or a small number of wells to unblock and increase gaps in a mining area, and shock waves impact off fine particulate matters such as sand, rock powder and the like and precipitated blockages such as chemical precipitates such as calcium, magnesium, aluminum and the like attached in rock stratum gaps of the uranium ore, so that the leaching rate of the uranium ore is improved. Fine particles attached to the filter screen are vibrated off and peeled off; the in-situ leaching liquid is injected after being heated to a certain temperature, and the heated in-situ leaching liquid flows into the uranium mine rock stratum gap. The method improves the leaching rate of uranium ore, can operate at any time for a long time, achieves a continuous effect, improves the uranium well oil extraction efficiency by 10% or above, has a wide application prospect, and has great significance for improving uranium ore strategic material storage in the nuclear industry in China.

The utility model discloses a diesel engine cooling device which comprises a diesel engine body and a cooling liquid tank, a thermostat assembly is arranged on the diesel engine body, the cooling liquid tank is connected with the thermostat assembly through a first pipeline, the cooling liquid tank is used for storing external cooling liquid, and the cooling liquid tank is connected with the diesel engine body through a second pipeline. An exhaust pipe is arranged on one side of the cooling liquid tank, a containing pipe body is arranged on the side, facing the cooling liquid tank, of the diesel engine body, one end of the exhaust pipe is connected with one end of the containing pipe body, and a blocking piece is arranged at the other end of the containing pipe body. The exhaust pipe is arranged on one side of the cooling liquid tank, the containing pipe body is arranged on the side, facing the cooling liquid tank, of the diesel engine body, one end of the exhaust pipe is connected with one end of the containing pipe body, and the blocking piece is arranged at the other end of the containing pipe body. The air in the containing pipe body is exhausted or one end of the containing pipe body is sealed by manually operating the blocking piece, so that the storage amount of the cooling liquid in the cooling liquid tank is greatly increased compared with the storage amount before exhausting.

The application discloses a high-precision quick-switching continuous sandwich plate production line, which comprises a lower plate uncoiling and profiling system, an upper plate uncoiling and profiling system, an upper steel plate transition roller way, a double-track pressure curing machine, a lower roller way, a tracking cutting saw, a cooling bed, a stacking machine, a packing machine, a first mineral wool supply system and a second mineral wool supply system, and the core of the application is that the lower plate uncoiling and profiling system and the upper plate uncoiling and profiling system are installed by exchanging positions, the lower plate uncoiling and profiling system is arranged at the front end of the upper plate uncoiling and profiling system, and part of the upper steel plate transition roller way and the lower profiling machine transverse moving system are cancelled, so that the lower plate uncoiling and profiling system is not interfered by the upper steel plate transition roller way, the plate type can be directly switched by using a crown block to hoist and switch the roller frame assembly of the lower profiling machine, the step of moving the lower profiling machine out of the line to switch the specifications is omitted, the investment cost of the production line is greatly reduced, the use area of the workshop is saved, and the switching of the specifications is more accurate and quick.

The invention discloses a viaduct rainwater collection and utilization system applied to a sponge city, the viaduct rainwater collection and utilization system comprises a rainwater collection device, a water storage cylinder and a water storage tank, the rainwater collection device comprises two mounting plates, the mounting plates are slidably provided with collection half boxes, and a telescopic folding part is arranged between the two collection half boxes; a desilting part is arranged at the bottom of the collecting half box, a driving motor is arranged at the outer end of the desilting part, the output end of the driving motor is connected with a spiral rod, and one side of the collecting half box communicates with the water storage barrel through a connecting pipe and a collecting pipe; rainwater is collected through the rainwater collecting device, meanwhile, a screw rod driven by a driving motor is arranged in the rainwater collecting device, sediment and gravel sediment in the rainwater collecting device are removed through the screw rod, and the situation that a water conveying pipe is blocked by sediment is avoided; rainwater is collected through the flower nursery, the rainwater collection and storage efficiency is improved, and meanwhile the storage and utilization efficiency of the rainwater is improved through the water storage tank and the water storage barrel.

The invention discloses a high hydrogen storage composite material and a preparation method thereof, and relates to the technical field of hydrogen storage materials, the high hydrogen storage composite material comprises a titanium-manganese alloy layer, two ends of the titanium-manganese alloy layer are provided with active carbon plates, one end of each active carbon plate is provided with a lanthanum-nickel alloy layer, and one end of the lanthanum-nickel alloy is provided with a heat insulation layer. The hydrogen storage structure has the advantages that various alloys with large hydrogen storage capacity are combined together to form the integrated hydrogen storage structure, and the materials are reasonably sorted according to the optimal hydrogen desorption speed of the materials, so that the materials are sequentially sorted from inside to outside from low to high according to the optimal hydrogen desorption temperature; the periphery of the material with the low internal hydrogen desorption temperature is coated with the heat insulation protection layer, the internal temperature of the material is isolated to a certain degree, the influence of the external temperature on the core material is reduced, meanwhile, hydrogen can be stored in multiple saturations through the hydrogen storage properties of different alloy metals, the hydrogen storage difficulty is reduced, and the hydrogen storage efficiency is improved. And the hydrogen storage capacity is improved.

The invention relates to the technical field of artificial planting and cultivation of pleione bulbocodioides, and discloses a rapid propagation and planting method of pleione bulbocodioides, which comprises the following steps: storing pods, germinating seeds, cultivating the seeds into white balls, carrying out differentiation culture, reducing the cultivation density to appear green tender shoots, carrying out single-plant culture, transplanting seedlings, cultivating strong seedlings, and carrying out artificial propagation. After the method is adopted, the method has the following advantages that by utilizing a seed germination propagation method, rapid batch cultivation can be carried out, the cultivation cost is low, the growth cycle is short, a large number of seedlings can be produced, cultivation of pleione bulbocodioides is facilitated, the reserves of pleione bulbocodioides can be improved, and endangered pleione bulbocodioides can be cultivated and protected.

The utility model provides a high-efficiency energy-saving ice-making device, which relates to the technical field of ice making and comprises a base, a main shell is fixedly connected onto the base, an auxiliary shell is fixedly connected onto the base, a high-efficiency compressor is mounted and connected inside the main shell, a condenser is arranged on one side of the high-efficiency compressor, and a condenser is arranged on the other side of the high-efficiency compressor. And a heat exchanger is mounted and connected to the rear side of the condenser. The motor drives the driving shaft to rotate to drive the moving block and the right-angle water outlet piece to move, so that each partition groove in the multi-groove partition plate can store water equivalently, uniformly distributed water flow can be in full contact with an evaporator, and the time for converting water into ice is greatly shortened; the pushing block is pushed to move through the electric cylinder, the protruding plate at one end of the multi-groove partition plate is in linkage with the cover plate, ice blocks are smoothly pushed into the trapezoidal collecting bin, the gravity principle is utilized in the design of the trapezoidal bin, the ice blocks naturally slide down and accumulate, and blockage and disorder of the ice blocks in the collecting process are avoided.

The present invention relates to a heat sink and an electric oil heater, comprising a main body, an upper oil chamber arranged in the upper section of the main body, a lower oil chamber arranged in the lower section of the main body, and an oil circuit comprising a first main circuit, a first branch circuit, a second main circuit, a second branch circuit, a third main circuit, a third branch circuit, and a fourth main circuit. The sum of the average flow cross-sectional areas of the plurality of third branches is greater than the sum of the average flow cross-sectional areas of the plurality of first branches, and is less than the sum of the average flow cross-sectional areas of the plurality of second branches. The sum of the volumes of the fourth main circuit and all the third branches is greater than the sum of the volumes of the first main circuit and all the first branches, and is less than the sum of the volumes of the second main circuit, the third main circuit, and all the second branches. It can improve the problem of uneven heating of the heat sink and the electric oil heater, which can not only improve the heating effect of the electric oil heater, but also reduce the possibility of the local temperature of the heat sink being too high and exceeding the dangerous range, and reduce the risk of people being scalded by high temperature when using the electric oil heater.

The application discloses a bearing retainer with slot type through cavities, each cross beam of the bearing retainer is provided with two slot type through cavities which are distributed along the radial direction of the retainer body; one slot type through cavity is used for connecting the converging area on one side of the cross beam with the diverging area on the other side, and the other slot type through cavity is used for connecting the diverging area on one side of the cross beam with the converging area on the other side. The bearing retainer can realize the stable lubricating oil flow self-enhancement effect near the friction surface through the slot type through cavities, effectively reduces the extrusion flow and the oil film cavitation degree near the friction surface between the rolling body and the retainer, makes the lubricating oil near the friction surface more efficient, reduces the friction resistance and the wear condition, improves the heat dissipation capacity of the bearing, and collects the bearing abrasion through the slot type through cavities, avoids the abrasion from entering the contact area of the friction surface in the flowing process, and makes the bearing appear more serious wear problems.

The present application relates to the cultivation technology field of Paeonia lactiflora, and specifically provides a commercial full-promoting cultivation technology of Paeonia lactiflora. The present application provides a method for Paeonia lactiflora to bloom in off-season. After dwarfing treatment at the Paeonia lactiflora budding stage in April, the swollen flower buds are removed, and the Paeonia lactiflora is subjected to gradient low-temperature treatment in August. The conditions of the gradient low-temperature treatment are as follows: the temperature is controlled at 5-7 DEG C in the first week; the temperature is controlled at 1-5 DEG C in the second week; the temperature is controlled at 0-5 DEG C in the third week; the temperature is controlled at -3-8 DEG C in the fourth week; the temperature is controlled at -10 DEG C in the fifth week; the temperature is controlled at -3-5 DEG C in the sixth week; the temperature is controlled at 0-5 DEG C in the seventh to eleventh weeks, and the Paeonia lactiflora is harvested in December. The method provided by the present application can obtain Paeonia lactiflora fresh flowers in winter, effectively increases the types of fresh flowers in winter, and enriches the winter flower market.

The invention discloses oligosaccharide syrup capable of enhancing body movement performance and application of the oligosaccharide syrup, and belongs to the technical field of functional food. The oligosaccharide syrup provided by the invention is refined crystalline glucose mother liquor chromatography raffinate (BD liquid) or an enzyme treatment product thereof, and the main components of the oligosaccharide syrup are glucose, maltooligosacharide and isomaltooligosacharide. The oligosaccharide syrup can significantly increase exhaustive swimming time of mice and improve blood sugar level, and in detection of biochemical indexes related to energy metabolism, the oligosaccharide syrup can reduce levels of movement metabolites such as serum lactic acid, serum urea nitrogen and the like of the mice, increase contents of hepatic glycogen and muscle glycogen, and reduce activity of lactic dehydrogenase and creatine kinase in serum; the oligosaccharide syrup can also relieve oxidative stress of mice after exercise, reduce the content of lipid peroxide malonaldehyde and improve the activity of two antioxidant enzymes, namely superoxide dismutase and glutathione peroxidase. Therefore, the oligosaccharide syrup provided by the invention has the effects of relieving exercise-induced fatigue and improving endurance, and has a very considerable application prospect in the field of sports nutritious foods.

The utility model discloses a collapse pit ecological restoration treatment and fresh water resource storage recycling system which is characterized in that an excavation area used for arranging a cover plate, a filter layer and planting soil is excavated above a collapse pit, water stop reinforcing areas forming an underground water storage pond are arranged at the bottom of the excavation area, a bottom plate is arranged at the bottom of the collapse pit, and a plurality of cross beams are arranged between the water stop reinforcing areas; a water-collecting well is arranged in the underground water storage pond. The system has the advantages that the collapse pits are fully utilized to store and utilize fresh water resources and turn waste into wealth while the ecological environment of the mining area is improved, so that the ecological environment can be improved, the fresh water resource reserve is increased, and the system has great social benefits, environmental benefits, ecological benefits and economic benefits.

The utility model belongs to the technical field of hydrogen storage, and provides a hydrogen storage device with a double-layer inner and outer container pressure difference structure, which comprises a hydrogen storage tank inner container, an inner valve, an outer valve and a hydrogen storage tank outer container, the hydrogen storage tank inner container is installed inside the hydrogen storage tank outer container, a hydrogen port channel extending to the outside of the hydrogen storage tank outer container is communicated between the hydrogen storage tank inner container and the hydrogen storage tank outer container, the internal valve is communicated with the hydrogen storage tank inner container and the hydrogen storage tank outer container, and the external valve is communicated with the hydrogen storage tank inner container. The hydrogen storage device has the advantages that the inner container and the outer container which are of a double-layer structure are used for storing hydrogen, and due to the fact that the inner container and the outer container have pressure difference, under the condition that III-type hydrogen storage bottles of the same specification are the same in size, the storage capacity of the hydrogen storage bottles can be improved, and the whole storage device is good in structural safety and stability.

The present invention belongs to the technical field of oilfield water drive development, and specifically relates to a method for visualizing flow field characterization based on data mining. It includes the following steps: Step 1, establish a typical block geological model, connect with the streamline numerical simulator through Matlab, extract streamline feature data, and obtain the streamline field; Step 2, perform attribute dimension reduction on the extracted streamline data, and reconstruct the flow field; Step 3, perform streamline clustering analysis to realize the visualization of the flow field; Step 4, comprehensively consider the influencing factors of the reservoir flow field, establish flow field intensity and streamline density characterization parameters to characterize the influence of fluid cumulative effect and instantaneous effect on the flow field; Step 5, quantitative characterization of flow field intensity; Step 6, quantitative characterization of streamline density. This method solves the problem that the existing technical methods cannot accurately reconstruct and visualize the reservoir flow field.

The utility model provides a kettle type electric water heater heating pipe group and an electric water heater, the heating pipe group comprises a plurality of heating pipes, and a kettle type heating space is defined by the plurality of heating pipes; part of the heating pipes are arranged at the kettle bottom of the kettle-shaped heating space to form a kettle bottom heating area; part of the heating pipes are arranged on the kettle wall of the kettle-shaped heating space to form a kettle wall heating area; the kettle bottom heating area is arranged on a convective heat exchange path of the electric water heater, and the kettle wall heating area encircles the convective heat exchange path; the convective heat exchange path is located between a water inlet and a water outlet of the electric water heater, and on the convective heat exchange path, hot water tends to flow to the water outlet, and cold water tends to flow to the water inlet. The electric water heater comprises the heating pipe set. The arrangement of the heating pipes is optimized according to the heat exchange performance of water, the heating, heat conduction and convection effects are obviously improved, a cold water area is eliminated, the hot water storage amount under the same condition is improved, and the performance of the water heater is improved.

The utility model discloses a device for improving the lubricating oil quantity of a compressor by utilizing splashing energy and the compressor, and the device comprises a collecting piece which is arranged on a crankcase and is communicated with the interior of the crankcase; the enclosure piece is mounted in the collecting piece, and an oil collecting groove is formed between the enclosure piece and the inner wall of the collecting piece; one end of the conveying part is connected with the collecting part and located in the oil collecting groove, and the other end of the conveying part is a free end. The collecting piece is installed on the crankcase of the compressor, the collecting piece is communicated with the interior of the crankcase, lubricating oil splashed out due to operation of a crankshaft in the crankcase enters the collecting piece and is collected by the oil collecting groove, and the collecting groove is located above the crankcase, so that the lubricating oil in the crankcase is collected by the oil collecting groove. Lubricating oil collected in the collecting tank can automatically flow into the oil injector through the conveying piece, the lubricating oil is conveyed to all compression rods of the compressor, the problem that in the prior art, an oil pump is additionally arranged, and operation cost is increased is solved, manual operation is replaced, and automatic oil injection is achieved.

The invention provides a blast furnace condition regulation and control method based on hearth dead coke column state judgment. The blast furnace condition regulation and control method comprises the following steps: acquiring daily temperature data of a plurality of elevation temperature measurement galvanic couples below a blast furnace hearth iron notch; judging a height interval in which the temperature of the hearth fluctuates frequently so as to determine a height range H of circulating molten iron stored in the current blast furnace hearth; calculating the volume difference delta Viron of the accumulated molten iron in the hearth, the volume delta Vslag of the accumulated slag liquid and the surplus trend of the slag iron; and according to the H, the delta Viron, the delta Vslag, the slag iron surplus trend and the current blast furnace utilization coefficient, parameters such as the central coke amount, the coke batch weight and the ore batch weight of the blast furnace are adjusted. According to the method for regulating and controlling the furnace condition of the blast furnace, by analyzing the storage range of the furnace liquid iron in the hearth and the discharge condition of the slag iron of the blast furnace, the blast furnace is guided to achieve the purposes of improving the liquid permeability of the center of the hearth, increasing the storage amount and the liquid permeability of the liquid iron in a dead iron layer and guaranteeing stable and smooth operation of the blast furnace by optimizing a raw material structure, material distribution and an air supply system.

The application provides an application of tRF-22 in preparation of a drug for delaying ovarian aging, and a nucleotide sequence of the tRF-22 is TTATTCGACTCCTGGCTGGGC. Through in-vivo and in-vitro experiments, it is proved that the tRF-22 can improve the degeneration of the aging ovarian tissue, reduce the expression of the aging marker, inhibit the secretion of the SASP factor, reverse the aging phenotype of the human ovarian granulosa cell, improve the proliferation activity, relieve the cycle arrest, reduce the apoptosis and the accumulation of the active oxygen. Mechanism research shows that the tRF-22 can inhibit the expression of BNIP3, repair the damage of the mitochondrial ultrastructure, restore the mitochondrial autophagy flux, improve the membrane potential, the ATP level and the oxygen consumption rate, and reshape the mitochondrial homeostasis. The application provides a new active molecule and an action target for the nucleic acid drug for delaying ovarian aging.