16results about How to "Stable ratio" patented technology

This invention provides an ink mixing device for a packaging box printing machine, relating to the field of ink processing technology. The ink mixing device for the packaging box printing machine includes a mixing tank and a bottom tank; it also includes a drive motor, the output end of which is connected to a pressing mechanism and a reciprocating mechanism. The pressing end of the pressing mechanism is connected to a piston, which moves within a metering mechanism. An adjustment mechanism for metering is also provided on the outside of the metering mechanism. Inside the mixing tank, a stirring assembly and a scraper are provided for ink mixing. The stirring assembly and scraper are driven by the drive motor. The reciprocating end of the reciprocating mechanism is connected to a scraper ring for scraping the inner wall of the mixing tank. This invention achieves coordinated operation of metered ink delivery, efficient mixing, and automatic tank wall cleaning by simultaneously driving the pressing mechanism, stirring assembly, and reciprocating mechanism with a single drive motor, effectively reducing equipment energy consumption and structural complexity.

The utility model discloses a urine sample collection and preservation device, which belongs to the technical field of sample experiment reaction and comprises a preservation container and a collection container, the collection container is sleeved outside the preservation container and is detachably matched with the preservation container, the collection container is provided with an open collection cavity, and the preservation container is provided with a sealed storage cavity; the storage container is of a transparent structure and is provided with at least a first scale mark and a second scale mark, in the storage cavity, a first capacity space is formed between the first scale mark and the bottom of the storage container, and a second capacity space is formed between the second scale mark and the bottom of the storage container. The volume of the second capacity space is larger than that of the first capacity space. The first scale mark and the second scale mark are used as marks, the preserving fluid is quantitatively added, the urine sample and the preserving fluid are quantitatively mixed and preserved, it is ensured that the urine sample is relatively stable, cells in the urine sample are well preserved, and the accuracy of detection data is obviously improved.

This invention discloses a direct injection mixing intake structure for an LNG gas engine, comprising a multi-point injection module. The multi-point injection module includes a guide vane, an intake manifold, a mixer, and nozzles. The intake manifold is connected to the guide vane, the mixer is located in the intake channel of the intake manifold, and the nozzles are mounted on the guide vane and connected to the mixer. Several sets of guide vanes from the multi-point injection modules are sequentially connected in series to form a gas passage. The nozzles of each set of multi-point injection modules inject the gas from the gas passage into the mixer of their respective multi-point injection module, where it mixes with air supplied to the intake manifold of that multi-point injection module to form a mixed gas. Each set of multi-point injection modules corresponds one-to-one with each cylinder of the gas engine, effectively ensuring that the mixed gas drawn into each cylinder maintains a uniform and stable air-fuel ratio.

This invention provides a method for producing single-cell protein using a mixed bacterial culture, comprising the following steps: performing primary seed culture on methanogenic bacteria, *Tricholoma materata*, and *Glucosinolate methyl-eating bacteria* to obtain primary seed solutions; mixing the primary seed culture solutions evenly to obtain a mixed bacterial solution; inoculating the obtained mixed bacterial solution into a secondary seed culture medium for cultivation to obtain a secondary seed solution; inoculating the obtained secondary seed solution into a fermentation medium for scale-up cultivation to obtain a fermentation broth; separating the solid and liquid components of the obtained fermentation broth, harvesting the bacterial cells, and obtaining single-cell protein. This method for producing single-cell protein using a mixed bacterial culture improves the utilization rate of the carbon source methane and the yield of single-cell protein.

The utility model provides a kind of splash-proof foam shield intelligent closestool, belong to intelligent closestool technical field, including closestool body, the detachable nesting of closestool body back inner cavity is equipped with foaming control component, the foaming control component includes nesting frame, intelligent control panel, elastic clamp, the bubble agent storage tank for storing foaming agent, first ration pump, second fixed pump and mixing pipe, the nesting frame top end fixed nesting is equipped with intelligent control panel.The utility model is assisted by human body inductor cooperation foaming control component to realize automatic, quantitative foaming and the effective generation of foam shield to improve splash-proof effect, simultaneously, it is convenient to dismount and facilitate overhaul and add foaming agent, reduce maintenance difficulty and cost, effectively improve overall use convenience and practicality.

The invention belongs to the technical field of composite board preparation, and particularly relates to a polyurethane honeycomb core composite board preparation device and a preparation method thereof.The polyurethane honeycomb core composite board preparation device comprises a mounting frame, the side wall of the mounting frame is connected with a controller, the upper side wall of the mounting frame is fixedly connected with a supporting frame, and the supporting frame is of an inverted-L-shaped structure; a first electric push rod is fixedly connected to the upper side wall of the supporting frame, and the movable end of the first electric push rod penetrates through the supporting frame and is fixedly connected with a lifting plate. The two back plates of the polyurethane honeycomb core composite plate are roughened in advance, so that the surface roughness of the back plates can be effectively improved, the contact area between an adhesive and the back plates is increased, the interface anchoring effect is enhanced, the bonding strength and interface reliability between the back plates and the adhesive layer and between the back plates and the honeycomb core are remarkably improved, the defects of layering, debonding and the like are reduced, and the service life of the composite plate is prolonged. Meanwhile, the stability and the service life of the plate under high and low temperature, damp and hot and external force are improved.

The invention discloses a method for preparing a catalyst for dry reforming of methane. The catalyst comprises the following active ingredients in percentage by mass: 1.5-2.5% of ferric nitrate; 5-7% of nickel chloride; 0.8%-1.2% of soluble salt of an auxiliary agent metal La; 90.3%-91.7% of a molecular sieve; and a plurality of external deionized water. Uniformly mixing and stirring in a glass cup, dipping, heating, evaporating to dryness, roasting and reducing to obtain the bimetallic nickel-iron-based catalyst. And ultrasonic dispersion is used in the dipping process. The invention aims to provide the method for preparing the catalyst for methane dry reforming, so that the reaction efficiency of methane and carbon dioxide dry reforming is effectively improved, and the generation rate of hydrogen is improved.

The present application relates to the technical field of fermentation medium, more specifically, it relates to a high-density fermentation medium for streptococcus suis and preparation and application thereof.The medium comprises beef infusion powder 1-5 parts, tryptone 1-10 parts, pancreatic casein peptone 1-10 parts, soybean peptone 1-5 parts, dipotassium hydrogen phosphate 1-5 parts, sodium chloride 1-10 parts, yeast extract 1-10 parts and glucose 1-5 parts.

The application discloses a device and method for realizing simultaneous nitrogen removal of urban sewage and photovoltaic cell wastewater based on a reinforced autotrophic / heterotrophic coupled granular sludge process. The device mainly comprises a horizontal flow defluorination reaction sedimentation tank, an intelligent adjusting tank, an aerobic deep oxidation system and a reinforced autotrophic / heterotrophic coupled granular system. The method realizes efficient simultaneous nitrogen removal of urban sewage and photovoltaic cell wastewater through a double-flow inlet strategy: the residual micro-particles and calcium ions after defluorination pretreatment are used as crystal nuclei to promote the granulation of subsequent sludge; the impact resistance of the coupled granular sludge is enhanced through a biofilm carrier; and the intelligent adjusting tank is used to realize precise water distribution, so that the reinforced autotrophic / heterotrophic coupled granular system can stably and efficiently remove nitrogen. The application not only realizes simultaneous deep treatment of urban sewage and photovoltaic cell wastewater, but also strengthens the structural stability of the granular sludge by using the calcium components in the wastewater, solves the problem of difficulty in forming the granular sludge and improves the nitrogen removal performance.

This invention discloses a 96-channel peptide synthesizer and its synthesis method, comprising a reaction system, a solvent management system, and a control system. The reaction system includes a housing, a reaction rack, reactors, a dispensing tower, and amino acid bottles. The housing is equipped with partitions to achieve functional zoning. The reaction rack houses 96 detachable reactors with oscillating stirring capabilities. The amino acid bottles feature quick-release pull-rings and cylinder-operated metering structures. The dispensing tower employs staggered operation for synchronous liquid supply. The solvent management system uses positive nitrogen pressure as its power source and achieves precise solvent delivery through a dispensing pump, transfer bottle, and solvent valve. The control system is fully automated via computer control, capable of monitoring channel status, editing process parameters, and supporting mode switching. This invention achieves high-throughput, automated peptide synthesis with 96 channels, offering advantages such as convenient operation and high synthesis efficiency.

A valve seat is connected to a valve body through threads, a recoil disc and a sealing block are arranged in the valve body, the valve body is connected with a valve deck through threads, a valve rod, a spring and other parts are arranged in the valve deck, an adjusting screw is arranged on the valve deck to adjust the pre-tightening force of the spring, and the spring is locked through a locking nut. The valve cover is connected with the valve bonnet through threads. The sealing block is pressed on the recoil disc through the pressing block and the locking nut, the steel ball, the valve rod and the spring are arranged on the sealing block, the sealing block acts on the sealing face of the valve seat through the pre-tightening force of the spring, and therefore the safety valve is sealed.

This utility model discloses a multiphase flow calibration device, including a liquid storage unit, a pumping unit, an oil-water mixer, a lifting simulation platform mechanism, a gas supply system, a standard flow system, and a computer control system. The liquid storage unit is connected to the pumping unit via a manual gate valve and is connected to the oil-water mixer via the standard flow system. The outlet of the oil-water mixer is connected to the downstream standard flow system and a gas-liquid mixing pipeline. The gas supply system is connected to the gas-liquid mixing pipeline, and its output end is connected to the lifting simulation platform test pipeline. The output end of the gas-liquid separator is connected to the oil-water mixer to form a circulation. The lifting simulation platform mechanism simulates the multiphase flow pattern. The oil-water mixer integrates heating, mixing, and separation functions. The standard flow system ensures stable medium flow. This device has advantages such as automated control and medium recycling, meets the requirements for multiphase flow calibration, solves the problem of insufficient research on multiphase flow in inclined pipes, and adapts to the simulation requirements of complex well types in oil and gas extraction.

This utility model discloses a hydrogen delivery pipeline, including a hydrogen delivery pipe, a concentric reducer, an electrostatic bridging mechanism, and an inlet for a quartz lamp head in a synthesis furnace. The end of the hydrogen delivery pipe is connected to the concentric reducer, and the end of the concentric reducer is connected to the inlet of the quartz lamp head in the synthesis furnace. The diameter of the concentric reducer at the inlet end of the quartz lamp head is smaller than the diameter at the end of the hydrogen delivery pipe. An electrostatic bridging mechanism for static elimination is installed on the outer side of the concentric reducer at the inlet end of the quartz lamp head. The beneficial effects of this utility model are: by adding a concentric reducer, the hydrogen delivery pipeline is locally narrowed near the quartz lamp head in the synthesis furnace, increasing the hydrogen flow rate. The resulting turbulence effectively enhances the scouring and carrying capacity of the hydrogen flow, making it difficult for sodium chloride particles contained in the hydrogen to settle and adhere to the inner wall of the quartz lamp head, thereby significantly reducing scaling and clogging from the root cause.

The invention relates to the technical field of high-temperature and high-pressure mixed gas corrosion tests, in particular to a high-temperature and high-pressure supercritical carbon dioxide mixed gas corrosion test device capable of dynamically regulating and controlling the mixing proportion in a closed-loop mode and a using method thereof. The device consists of an ultra-pure CO2 gas cylinder, a doped gas I gas cylinder, a doped gas II gas cylinder, a valve, a pressure reducing valve, a filter, a pressure gauge, a mass flow controller, an electromagnetic valve, a premixing cavity, a gas analyzer, a supercritical fluid pump, a preheater, a high-pressure kettle, a thermocouple, a cooler, a rupture disk, a back pressure valve, a buffer tank, a monitoring system, a control system and the like. The device can meet the requirements of high-temperature and high-pressure supercritical CO2 mixed gas corrosion tests on materials, has a dynamic closed-loop regulation and control function on the proportion of mixed gas components, and can monitor and accurately control key parameters such as gas flow, temperature and pressure in real time; the problem that in a traditional test, the impurity gas doping proportion in the high-temperature and high-pressure supercritical CO2 environment is difficult to control is effectively solved.

The utility model discloses anti-skid particle filling and paving equipment for artificial turf, which belongs to the technical field of anti-skid particle filling and paving and comprises a material paving machine and a material scattering port, a plurality of moving wheels are fixedly mounted at the bottom of the material paving machine, a push rod is fixedly mounted on one side of the material paving machine, and the material scattering port is fixedly mounted on the other side of the material paving machine; the mixing and scattering mechanism is used for mixing and scattering the anti-skid particles and the quartz sand and is arranged on one side of the spreading machine; wherein the mixing and scattering mechanism comprises a mixing bin which is fixedly mounted in the spreading machine. By means of the mode, the mixing bin and the mixing assembly are matched, anti-skid particles and quartz sand are fully mixed, it is guaranteed that materials are uniform before filling and paving, the particle proportion of all areas is stable in the discharging process of a material scattering opening, the measuring assembly accurately controls the filling and paving amount according to the construction standard, and it is guaranteed that the filling thickness reaches the standard; the overall durability and the use performance of the lawn system are improved.

The utility model discloses a liquid material proportioning and metering tank which comprises a proportioning and metering tank main body and a transparent tube, the side wall of the ingredient metering tank main body is connected with a charging main pipe, a three-way pipe is mounted on the charging main pipe, a mounting seat is mounted on the top wall of the ingredient metering tank main body, and the mounting seat is communicated with the interior of the ingredient metering tank main body; the transparent pipe is mounted on the mounting seat, the upper end of the transparent pipe is connected with a charging auxiliary pipe, one end of the charging auxiliary pipe is connected with the three-way pipe, the bottom wall of the ingredient metering tank main body is connected with a discharging pipe, and the discharging pipe is connected to a polymerization kettle through a pipeline, so that materials in the ingredient metering tank main body are conveyed to the polymerization kettle through the discharging pipe. The liquid material proportioning metering tank is reasonable in structure, simple and convenient to operate, capable of guaranteeing accurate feeding amount of a polymerization kettle and stable raw material proportioning in the carbon fiber production process, capable of finely adjusting the proportioning and feeding in advance to improve the production efficiency, and suitable for storage tanks for stable mass production of carbon fibers.