14results about How to "Continuous and efficient production" patented technology

The invention belongs to the technical field of biosynthesis, and particularly relates to an engineering bacterium for producing lycopene as well as a system construction method and application thereof, the engineering bacterium for producing lycopene is escherichia coli and carries two plasmids, namely a pCDF-Duet-MKI4 plasmid and a pET28a-crtBI plasmid; a pCDF-Duet plasmid is adopted to express an MKI4 gene, a five-carbon compound substrate is converted into a diterpene precursor geranyl geranyl pyrophosphate (GGPP), a pET28a plasmid is adopted to express crtB and crtI genes, the GGPP is converted into phytoene, and the phytoene is further converted into lycopene. According to the invention, a biosynthesis system of lycopene is constructed in Escherichia coli, a five-carbon compound substrate can be efficiently converted into lycopene, and the shake flask fermentation yield can reach up to 900 mg / L.

The invention relates to a method and system for producing 2, 6-dimethylnaphthalene through isomerization reaction in a moving bed reactor, and the method comprises the following steps: contacting dimethylnaphthalene raw oil with an isomerization catalyst in the moving bed reactor, and carrying out isomerization reaction to obtain an oil-gas mixture and a spent catalyst; and separating the oil-gas mixture to obtain the 2, 6-dimethylnaphthalene. The spent catalyst enters a catalyst hopper system to remove gas, and then enters a catalyst regenerator to be regenerated; enabling the regenerated catalyst to enter a catalyst hopper system to remove gas, and then returning to the moving bed reactor. According to the invention, the dimethylnaphthalene raw oil is contacted with the isomerization catalyst in the moving bed reactor for isomerization reaction, the deactivated catalyst is subjected to gas removal and regeneration, and the regenerated catalyst is returned to the moving bed reactor for recycling after gas removal, so that high-efficiency and continuous production of 2, 6-dimethylnaphthalene is realized.

The utility model relates to the technical field of injection molds, in particular to an injection mold with a quick demolding function, which comprises an upper mold seat and a lower mold seat, an air cylinder is fixedly mounted on the surface of the upper mold seat, a support is fixedly mounted on the bottom surface of the upper mold seat, an upper mold block is fixedly mounted on the bottom surface of the support, and a lower mold block is fixedly mounted on the lower surface of the upper mold seat. An upper die head is fixedly mounted in the upper die block, and a movable plate is slidably connected into the support. According to the utility model, the ejector rod slides in the sliding chute of the upper module, so that the ejector rod realizes vertical and accurate guiding, abrasion or blockage is obviously reduced, the service life of the mold is prolonged, and the product quality is improved. And the guide rods of the movable plate slide in the guide holes, so that the stability and the parallelism are enhanced, and the alignment precision of the mold under pressure or thermal expansion is ensured. Power of the air cylinder directly acts on the moving plate, so that the ejector rod directly applies force to a forming material, demolding is accelerated, the forming period is shortened, the driving efficiency and the response speed are improved, and the production process is effectively accelerated.

The double-jig board splitting machine comprises a rack, a carrier module is arranged on the rack, and the carrier module at least comprises a left jig and a right jig which are correspondingly arranged; a processing module is arranged for the carrier module; the machining module comprises a machining part setting frame arranged on the multi-axis driving assembly, and a visual detection part and a machining part are arranged on the machining part setting frame; the left jig and the right jig are used as processing body bearing parts for loading wafers; the visual detection part detects the specification of the machining body bearing part to form a machining stress selection structure, and the machining part is matched to correspondingly select a stress range for machining, so that an adaptive machining stress adjusting type machining structure is formed.

This utility model discloses a cutting die for folding OCA anti-overflow adhesive, including a frame and a cutting die body rotatably mounted on the frame, and a cooling mechanism. The cooling mechanism includes a rotating shaft installed at the end of the cutting die body, one of which is hollow. The rotating shaft is rotatably connected to the frame. A first inlet hole is evenly arranged around the circumferential sidewall of the hollow rotating shaft. A rotating ring is rotatably arranged on the outer side of the rotating shaft, and a gap is provided between the rotating ring and the rotating shaft. This gap can communicate with the rotating shaft through the first inlet hole. This cutting die for folding OCA anti-overflow adhesive, through the cooling mechanism, circulates coolant inside the cutting die body to achieve precise temperature control, which can fundamentally solve the core pain point of high-speed cutting of OCA anti-overflow adhesive, efficiently dissipating frictional heat and keeping the blade temperature stably controlled below the OCA viscosity critical point, thereby eliminating defects such as stringing and burrs at the cutting edge.

The invention relates to the technical field of the glass manufacturing industry, in particular to a control method and device for increasing the melting rate of a kiln, equipment and a storage medium. Heating element identifiers and element output power corresponding to each heating element identifier are obtained according to the kiln heating temperature; the real-time kiln heating temperature is compared with a preset temperature curve, the output power of each element is adjusted according to the comparison result, and a kiln temperature control result is obtained; the current in-furnace pressure is obtained, calculation is conducted according to the current in-furnace pressure, and an in-furnace air pressure adjusting instruction is obtained; and when the in-furnace air pressure adjusting instruction and the in-furnace air pressure adjusting result are obtained, generating an in-furnace gas dynamic switching instruction according to the in-furnace air pressure adjusting result so as to respond to a glass preparation instruction. The method has the effect of solving the problem that the melting rate of a current kiln is low.

The invention discloses a water-saving dust fall vehicle which comprises a movable transport vehicle, a closed water tank is arranged on the movable transport vehicle, a plurality of ultrasonic atomizers are arranged in the water tank, water in the water tank can immerse the ultrasonic atomizers, and the ultrasonic atomizers vibrate to enable the water to be atomized and gathered on the water surface and above the water surface; a mist outlet is formed in the top or the upper portion of the water tank and connected with a flow guide pipe, at least one fan is arranged above the ultrasonic nebulizer, air generated by the fan is blown to the water surface and the position above the water surface, water mist formed on the water surface and the position above the water surface is blown to the mist outlet in a pressed mode, and then the water mist is released to the outside atmosphere through the flow guide pipe. The water-saving dust falling vehicle is good in dust falling and haze reducing effect, small in water consumption, simple in structure, low in cost and wide in dust falling range.

The utility model relates to cotton mixing box technical field discloses a cotton yarn processing is with anti -blocking cotton mixing box, including the shell, the shell top fixedly connected with motor no.

The present application relates to fruit and vegetable packaging machinery technical field, disclose a kind of fruit and vegetable netting machine, including rack, net bag feed mechanism, carousel conveying mechanism, netting cutting mechanism, detection mechanism and discharging mechanism, the rack is the basic support structure of whole machine, the internal space of the rack is divided into four sequentially arranged function stations, respectively, feeding station, netting cutting station, detection station and discharging station, intermittent step feed design is adopted in the present application Square carousel cooperates with index drive device to drive bracket sequentially through feeding station, netting cutting station, detection station and discharging station, overcome the problem that equipment volume is huge in prior art, structure is too complex, not only reduce the overall floor space of equipment, also through visual sensor online identification netting skew and breakage, while guaranteeing efficient continuous production, reduce the manufacturing cost and maintenance difficulty of equipment.

The invention relates to the technical field of water treatment, and particularly discloses an iron-mud-based modified copper sulfide persulfate catalyst, a preparation method and application. The catalyst is synthesized by adopting a solvothermal reaction method, polyvinylpyrrolidone is taken as a surfactant to regulate and control the morphology of metal sulfide, a flower-shaped nanosphere structure is formed, pretreated iron-containing sludge of a municipal sewage treatment plant is introduced, and a composite material with bimetal and sulfur multi-element active sites is constructed; the preparation process is simple and convenient, the cost is low, resource utilization of the waste iron mud is realized, refractory organic pollutants such as iohexol in a water body can be efficiently degraded, good catalytic performance is shown in the pH range of 3-11, good cycle stability and adaptability to different water qualities are achieved, and the method is suitable for industrial production. And an efficient and low-carbon technical scheme is provided for advanced sewage treatment.

The present invention provides a wire-sandwich structure electrode, a device for preparing the wire-sandwich structure electrode, and an application thereof, wherein the wire-sandwich structure electrode comprises at least two layers of stacked mesh current collectors and an electrode active material disposed inside and / or on the surface of the mesh current collector. The wire-sandwich structure electrode of the present invention improves electrical conductivity, electrolyte wettability, peel strength, and surface density, and further improves the energy density of the electrochemical device.

The invention belongs to the field of production of electronic components, and particularly relates to a continuous high-speed tin plating process for electronic components. In order to solve the problems that in the prior art, a pure tin electroplating technology is poor in production continuity, low in efficiency, unstable in tin coating quality, prone to discoloration in the tin coating storage process, poor in oxidation resistance, prone to tin whisker growth and the like, the invention provides the continuous high-speed tin plating technology for the electronic component. Through the technological processes of automatic feeding, electrolytic softening, high-pressure water jet cutting, deoxidation, presoaking, pure tin electroplating, deionized hot water washing, neutralization, tin protection, air knife blow-drying, drying, discharging, steel strip electrolytic tin stripping and secondary drying, the production continuity and the production efficiency are improved, the quality and the oxidation resistance of a tin layer are guaranteed, and growth of tin whiskers is effectively prevented.

The application relates to a full-range and multi-point automatic pipe feeding device for a mist atomizing nozzle rubber pipe, which comprises a sleeve and a pipe feeding power device. The application breaks the traditional pipe feeding mode and selects the cooperation of a radial extrusion shaping channel and a pipe feeding channel, or the cooperation of a pressure feeding channel and the pipe feeding channel, or the cooperation of the extrusion shaping channel, the pressure feeding channel and the pipe feeding channel, so that the same core output of different deformation or non-deformation rubber pipes is achieved. The defects of assembly failure or high assembly failure rate caused by the deformed rubber pipe are eliminated, continuous and efficient and high-quality production is realized, and the intervention frequency of the operator is greatly reduced. Based on the formed synchronous clamping and feeding, the defects of relative pipe feeding movement of the rubber pipe itself are eliminated, so that the pipe feeding length is kept equal, the consistency of the rubber pipe assembly length is improved, and under the limitation of the extrusion amount, the excessive extrusion is avoided.

The utility model discloses an automatic perforating mechanism of a seamless steel tube perforating machine, which belongs to the technical field of seamless steel tube processing and comprises a supporting seat, a transmission roller is mounted on the inner wall of the supporting seat, a seamless steel tube blank is arranged at the upper end of the transmission roller, and a limiting mechanism is arranged on the outer side of the seamless steel tube blank. According to the automatic perforating mechanism of the seamless steel pipe perforating machine, the ejector rod mechanism and the limiting mechanism are additionally arranged, and the ejector rod mechanism adopts a structure for rapidly replacing a perforating ejector rod and is matched with hydraulic thrust to achieve the automatic perforating effect; the punching diameter of the ejection rod mechanism can be changed by quickly replacing the structure of the punching ejection rod, so that the adaptability of the automatic punching mechanism of the seamless steel pipe punching machine is higher, subsequent seamless steel pipe machining operation is facilitated, the limiting mechanism adopts a double-end limiting structure, the movement range of a seamless steel pipe blank and the punching ejection rod can be limited, and the punching efficiency is improved. And stable displacement of the seamless steel tube blank and the perforating ejector rod is ensured.