30results about How to "Reduce yield" patented technology

The invention provides a combined process method for improving the yield of vacuum residue catalytic cracking products, which comprises the following steps: determining the asphaltene dispersion coefficient d of vacuum residue according to a formula (1), where w asphaltene, w colloid and w aromatics respectively represent the mass fractions of asphaltene, colloid and aromatics in vacuum residue; and carrying out modification and catalytic cracking reaction on the vacuum residue. According to the combined process method, the asphaltene dispersion coefficient d is ingeniously designed, and d is smaller than or equal to 0.5 and dgt; the vacuum residue of which the content is 0.5 is modified by adopting different modification methods, and then catalytic cracking reaction is performed under different conditions, so that the density of a catalyst in a reactor is improved, oil-agent contact in the reactor is improved, the contact instantaneous effective agent-oil ratio can be improved, the catalytic cracking reaction ratio can be remarkably improved, thermal cracking and condensation coke generation reactions are reduced, and the catalytic cracking efficiency is improved. Conversion of inferior heavy oil is promoted, meanwhile, the coke yield is remarkably reduced, and the yield of high-value products is increased.

The utility model discloses a multi-functional hand-held device for bad fruit detection and picking relates to wisdom agriculture technical field, including hand-held rod and hinge, hand-held rod is two-section design, and hand-held rod two sections are hinged through antiskid sleeve, the inside of hand-held rod upper section is equipped with telescopic pole, and the hinge is equipped with the telescopic pole. The upper end of the telescopic rod is fixedly connected with a metal platform, and a camera is arranged above the metal platform. Through the arrangement of the camera and the arrangement of the electric scissors, when fruits are picked, the conditions of the fruits can be observed through the camera, the reasons of the damaged fruits can be comprehensively analyzed according to the shot content, and the picking efficiency of the fruits is improved. By arranging the electric scissors, the platycodon roots of the fruits are directly sheared, the fruit loss is avoided, the yield of the fruits is ensured, meanwhile, the labor intensity of workers can be reduced, and the subsequent screening of the bad fruits is easier.

This invention discloses a catalyst for the production of ethylene and propylene, its preparation method, and its applications. The catalyst comprises the following components: I) 1%–10% of chemical formula A x B y D z A compound of O4; in the chemical formula, the oxidation states of elements A, B, and D are m, n, and p, respectively, satisfying x·m + y·n + z·p = 8, where m, n, and p are integers not greater than 3; the A x B y D z O4 has a spinel structure; II) 0.5%–10% is selected from at least one oxide of rare earth elements, P, Mo, and W; III) 20.0%–55.0% is selected from at least one zeolite of ZSM-5 and ZSM-11; IV) 10%–30% is a binder; V) 25.0%–60.0% is clay. This catalyst is used in the catalytic cracking of petroleum hydrocarbons to produce ethylene and propylene, and features good catalyst stability, low methane yield, and high ethylene and propylene yields.

The invention relates to the technical field of sewage treatment, and discloses a microbial electricity generation and energy storage integrated buried sewage treatment device which comprises an oil separation tank, a septic tank, an anaerobic and aerobic zone and a settling zone which are arranged in sequence, the anaerobic and aerobic zone comprises a plurality of reactors which are sequentially communicated, sewage sequentially passes through an anode chamber and a cathode chamber of each reactor, the cathode chamber of the reactor located at the upstream is communicated with the anode chamber of the reactor located at the downstream, an anode plate attached with microorganisms is arranged in the anode chamber, and a cathode plate attached with microorganisms is arranged in the cathode chamber; and the anode plate and the cathode plate are electrically connected with the current collection and energy storage module. Through the current formed by the potential difference between the anode plate and the cathode plate, a part of electrons can be directly led out to the current collection and energy storage module for generating electricity, so that more substrates are used for generating energy, the residual sludge amount and the yield are reduced, the environmental protection principle of reduction is met, the environmental friendliness of the sewage treatment device is improved, and the sewage treatment efficiency is improved. The device is suitable for being used close to residential areas.

The invention provides a cutting control method, a slicing machine, a storage medium and a control device.The cutting control method comprises the steps that when a target crystal bar is cut, actual cutting data of the torque of a main shaft of the slicing machine are obtained; inputting the actual cutting data into the torque decision model to obtain an expected cutting torque of the spindle for cutting the target crystal bar; wherein the torque decision model is obtained by training according to historical effective cutting data of the main shaft torque; and according to the expected cutting torque, the actual cutting torque of the main shaft for cutting the target crystal bar is adjusted, so that the difference value between the actual cutting torque and the expected cutting torque is adjusted to be within the preset range. Through the technical scheme provided by the invention, the problem that the quality of the obtained wafer is difficult to control when the target crystal bar is cut by using a slicing machine in the prior art can be solved.

The sewage treatment method can greatly reduce the sludge amount, and comprises the following steps: step 1, flocculants and magnetic powders are added into sewage to be treated, after magnetic flocculation, precipitation and magnetic separation recovery, preliminary purified water is obtained; step 2, microbial mixed stock solution containing anaerobic ammonia oxidation bacteria and aerobic granular sludge carriers are added into the preliminary purified water, and aeration and non-aeration cultivation reactions are alternately carried out in a sequencing batch reactor, so that water degradation and purification are completed, wherein, protozoa are added on the 2nd-3rd day of the cultivation reaction, metazoan is added on the 4th-5th day of the cultivation reaction, and the reactor enters a stable operation period on the 6th-14th day of the cultivation reaction; and step 3, the water after the reaction is sequentially subjected to filtration and disinfection treatment, and reaches the water standard; by constructing a complete micro-animal food chain from functional bacteria to protozoa and metazoan, and by utilizing the predation of higher micro-animals on lower microorganisms, the sludge is in-situ reduced, and the environmental and economic benefits are achieved.

The utility model discloses an extraction device for green cardamom essential oil, relates to the technical field of essential oil extraction, and solves the problems that an oil-water separator used during essential oil extraction in the prior art cannot accurately discharge oil liquid, and the yield is low or the purity is low. The device comprises a distiller, the distiller is connected with a condenser, the condenser is connected with a separator, the separator comprises a first-stage separation cylinder connected with a condensation outlet of the condenser, the lower end of the first-stage separation cylinder is connected with a second-stage separation cylinder, and the side wall of the first-stage separation cylinder and the side wall of the second-stage separation cylinder are each provided with an oil discharge assembly and an oil discharge pipe. The diameter of the primary separation cylinder is greater than that of the secondary separation cylinder. By arranging the first-stage separation barrel, first-stage oil-water separation can be carried out, a small amount of remaining oil liquid is discharged into the second-stage separation barrel with a small diameter for separation, so that the separation difficulty is reduced, the separation precision is improved, and the influence of hydrolat on the purity and yield of the oil liquid in the separation process is reduced in a manner of reducing the contact area of the oil liquid and hydrolat.

The invention discloses a heavy hydrocarbon catalytic cracking method and a heavy hydrocarbon catalytic cracking device, which are used for producing a carbon material raw material while increasing the yield of low-carbon olefin, improving the yield and selectivity of ethylene, propylene and butylene, reducing the yield of methane, reducing the content of ethanol in the product to the greatest extent and realizing low-cost conversion of ethanol into low-carbon olefin. The method can realize high-selectivity conversion of olefin and ethanol into low-carbon olefin, solves the problem of overhigh yield of ethanol cracking methane, maximally obtains ethylene and propylene, improves the selectivity of methane and coke, and realizes efficient utilization of ethanol and fossil resources.

The invention relates to a method for catalytically degrading waste plastics in a slurry reactor by molybdenum sulfide. The synthesized catalyst reaches a 50nm level, has high dispersity and can convert polypropylene waste plastics into an oil product with a distillation range of 20-500 DEG C, the yield of the oil product reaches 90%, the conversion rate reaches 100%, and the selectivity on gasoline and diesel components can reach 95%.

This utility model belongs to the field of display glass protection technology, and relates to a corner protection mechanism for display glass storage. It includes a placement plate, with multiple sets of connecting columns fixed to the bottom surface of the placement plate. An outer hollow ring is fixed to the bottom end of each connecting column, and a hollow base is fixed to the center of the outer hollow ring. Multiple sets of support legs are fixed to the center of the hollow base, and multiple sets of ventilation holes are opened on the bottom surface of the hollow base. A protective component is provided in the center of the outer hollow ring. This utility model, through the setting of the protective component, can drive a right-angle clamp to protect the corners of square display glass, thereby reducing the likelihood of damage to the corners under stress when subjected to collisions or pressure, which could affect the appearance quality of the display glass and reduce the product yield. Simultaneously, the protective component also protects the corners of square display glass of various sizes, thereby improving its adaptability.

This invention provides a dual-catalyst catalytic cracking unit for improving the yield of low-carbon olefins and gasoline / diesel, comprising: a riser reactor, a fluidized bed reactor, a settler, and a fractionating tower. The riser reactor includes a first reaction zone and a second reaction zone, with an enlarged diameter second reaction zone added above the first reaction zone, which is beneficial to the yield of ethylene, propylene, and low-carbon olefins. The enlarged diameter of the second reaction zone compensates for the riser height, facilitating the secondary modification of existing risers. Due to its compact structure, it effectively reduces the need for fuel supplementation in the regenerator, thus lowering energy consumption.

This invention belongs to the field of aluminum-based composite material preparation technology, and relates to a continuous casting and rolling method for preparing aluminum-based composite material strips. The method involves preparing a reinforcing preform with a thickness not exceeding the roll gap distance in the aluminum-based composite material strip. Before preparing the aluminum-based composite material strip, the casting rolls are water-cooled and run at a set speed. Molten aluminum is injected into the molten pool, and the liquid level is controlled to a set value. Throughout the preparation process, the molten pool liquid level is maintained at the set value. The molten aluminum cools and solidifies upon contact with the roll surface of the casting rolls. Under the casting action of the two casting rolls, an aluminum alloy strip is formed and continuously output from the lower end of the roll gap. During the preparation process, the reinforcing preform moves from top to bottom at a set speed and is immersed in the molten aluminum pool. The molten aluminum penetrates into and fills the interior of the reinforcing preform. The reinforced preform, filled with molten aluminum, gradually solidifies as it moves to the roll gap until it is completely solidified. Then, under the casting force of the two casting rolls, it undergoes rolling deformation to form the aluminum-based composite material strip.

The invention relates to a method and system for producing ethylene and propylene from heavy oil, and the method comprises the following steps: introducing heavy hydrocarbon oil into a supercritical extraction separation unit for supercritical extraction separation to respectively obtain light deasphalted oil, heavy deasphalted oil and deoiled asphalt; carrying out hydrotreating on the deoiled asphalt to obtain hydrogenated deoiled asphalt; introducing the heavy deasphalted oil and the hydrogenated deoiled asphalt into a first reactor to be in contact with a first catalytic conversion catalyst for a first catalytic conversion reaction; introducing the light deasphalted oil into a second reactor to contact with a second catalytic conversion catalyst for a second catalytic conversion reaction; wherein the first catalytic conversion catalyst and the second catalytic conversion catalyst contain MPZ hierarchical pore molecular sieves. According to the method disclosed by the invention, polycyclic aromatic hydrocarbon which is not easy to react can be saturated, the cracking property of the deoiled asphalt is improved, the generation of coke is reduced, and the yields of ethylene and propylene are improved.

The present application relates to a kind of drug synthesis process of Tovorafenib.The synthesis process described in the present application, the preparation method of chiral alpha-heteroamine involved, using biological catalyst amine dehydrogenase, directly under mild conditions, one-step reduction amination of latent chiral ketone is into optical pure chiral alpha-heteroamine, it can overcome the deficiency of existing catalytic technology, process route is simple, reaction condition is mild, yield is high, has the advantages, such as step economy, atom economy and other green synthesis, and the advantages, such as good stereoselectivity (ee value is as high as 99%).The condensation method of amino and carboxyl in the synthesis route described in the present application is mostly under HATU and alkaline environment, simple operation, high reaction yield, suitable for batch production.

This invention discloses an automatic wrapping machine. As an automatic wrapping machine, it includes a frame, on which a feeding mechanism, a film feeding mechanism, and a heat-shrinking mechanism are mounted. The feeding mechanism includes a support plate, which is fixedly mounted on the frame. A first hydraulic cylinder is located on one side of the support plate, and the cylinder barrel of the first hydraulic cylinder is fixedly connected to the support plate. A top plate is fixedly mounted on one end of the piston rod of the support plate. The feeding mechanism and the film feeding mechanism cooperate to form a one-box-one-film combination, quickly wrapping the film material. Heat shrinking is then completed by the heat-shrinking mechanism, resulting in a high degree of automation and high efficiency. The PVC film material first slowly passes through a low-temperature space to complete preliminary shrinkage and determine the initial shape, and then quickly passes through a high-temperature space to complete the final shrinkage. This ensures that the reagents in the kit are not exposed to high temperatures for extended periods, and that the yield of the kit does not decrease due to the heat-shrink wrapping process.

The application discloses a vanadium salt hetero-support and a preparation method and application thereof, and belongs to the field of material preparation and catalysis technology. The vanadium oxide-vanadium carbide hetero-support is prepared by a precursor method, vanadium salt is uniformly mixed with an organic carbon source, stirring and dissolving are conducted, drying and filtering are conducted, and a vanadium oxide-vanadium carbide hetero-support precursor is obtained, and the precursor is calcined in an argon or nitrogen atmosphere to obtain the vanadium salt hetero-support. The raw material used is low in price, the process is simple, no flammable and explosive gas is generated in the calcination process, the safety factor is high, the target product is generated by one-step calcination, impurities are not easily introduced, and the repeatability is high. The method is based on the theory of strong and weak metal carrier interaction, and a two-component vanadium salt hetero-support is used as a catalyst base, the catalyst sintering problem caused by Ostwald ripening, particle aggregation and migration is overcome, and thus a catalyst with good stability and good catalytic performance is obtained.

This invention relates to the field of high-temperature alloy technology, and provides a high-temperature alloy with low metallurgical defects and its preparation method. The preparation method includes: S1 preparing a high-temperature alloy consumable electrode; S2 subjecting the high-temperature alloy consumable electrode to vacuum consumable smelting to obtain a high-temperature alloy with low metallurgical defects; during the vacuum consumable smelting process, the filling ratio in the steady-state smelting stage gradually decreases; based on the filling ratio in the steady-state smelting stage, the smelting melting rate and the number of molten droplets in the steady-state smelting stage are determined accordingly. The method for preparing a high-temperature alloy with low metallurgical defects provided by this invention achieves precise control of white spots by mastering the intrinsic relationship between the smelting filling ratio, the number of molten droplets, the melting rate, and white spots. Compared with existing technologies, this invention does not impose high requirements on the diameter range of the electrode rod's head and tail, does not increase the amount of peeling of the electrode rod, and does not reduce the yield. Furthermore, the method is highly operable and does not significantly affect the production cycle and cost.

This utility model discloses a patch guiding device, which includes an upper cover plate and a lower base plate. Several sets of first lens mount placement seats are arranged at intervals on the lower base plate, with lens barrel positioning holes penetrating the first lens mount placement seats and several sets of lens mount positioning posts arranged around the lens barrel positioning holes. The upper cover plate is arranged from top to bottom as a guiding part, a patching part, and a positioning part. A second lens mount placement seat is arranged in the positioning part corresponding to the first lens mount placement seats, forming a lens mount positioning cavity between the first and second lens mount placement seats. A patch through hole is provided through the patching part corresponding to the second lens mount placement seat, and several sets of lens mount positioning grooves are arranged around the patch through hole in the patching part. A guiding groove is arranged in the guiding part around the patch through hole, with the cross-sectional length and width of the guiding groove gradually decreasing from the distance away from the patch through hole to the proximity of the filter to be patched. This utility model guides the filter to be patched through the guiding groove and guides it along the patch through hole to be patched onto the lens mount, meeting the requirements for high-precision patching.

The invention relates to the field of oil refining catalysts and discloses a high-stability catalytic cracking catalyst as well as a preparation method and application thereof. The catalytic cracking catalyst is prepared from the following components in percentage by weight on a dry basis: 5 to 40 weight percent of molecular sieve, 5 to 40 weight percent of clay, 5 to 35 weight percent of silicon species in terms of SiO2, 30 to 75 weight percent of aluminum species in terms of Al2O3, 0.5 to 15 weight percent of magnesium in terms of oxide and 0.5 to 10 weight percent of activity regulating element in terms of oxide, the total pore volume of the catalyst is not less than 0.5 mL / g according to a low-temperature nitrogen adsorption method; the alkali center content of the catalyst is determined to be 0.05-0.5 mmol / g by a CO2-TPD method; and the micro-reactivity retention degree before and after 17 hours of treatment in 100% water vapor at 800 DEG C is not lower than 60%. The catalyst enhances the heavy oil conversion capacity and significantly reduces the coke yield.

A chip resistor capable of achieving both high specific resistance, a low TCR is provided. A chip resistor includes: an insulating substrate; a resistive layer formed of an alloy containing Cr, Si, and N, the resistive layer being provided on the insulating substrate; and a first high-nitrogen-containing layer provided on the resistive layer, the first high-nitrogen-containing layer being made of an alloy having a N atomic percentage higher than a N atomic percentage of the resistive layer.

The application discloses a device and method for preparing methanol by using low-temperature plasma and catalysts. The device uses low-temperature plasma to generate discharge and activate H2 and CO2 in a plasma reactor, so that the thermal catalytic reaction rate is improved and the energy consumption is reduced. Condensed water is introduced outside the low-temperature plasma to improve the conversion rate and selectivity of the reaction. The gas treated by the low-temperature plasma is sent into a thermal catalytic reactor, the thermal catalytic reactor is provided with a partition plate, so that a reflux is formed at a local position in the thermal catalytic reactor, and a plurality of catalyst outer bed layers are arranged outside and inside the partition plate, so that different kinds of solid catalysts can be filled at different positions. The application can make the CO2 methanol reaction be carried out at normal pressure, reduce the energy consumption, activate the raw material gas by using a low-temperature plasma array, improve the thermal catalytic reaction rate, and reduce the energy consumption of the thermal catalysis. The multi-layer catalyst outer bed layer structure is used to control the reaction path and the product and improve the methanol yield.

The application discloses a kind of computer shell efficient production process.The method includes the following steps: S1, modularization preparation: according to production instruction, corresponding type of metal plate or plastic granules is automatically selected and transported to pretreatment station;S2, intensive forming: the raw material after pretreatment is sent into composite machining center, by being integrated in the same station punching forming and laser cutting module, or injection molding and in-mold cutting gate module, once the structure forming of shell blank and excess material separation is completed;S3, closed-loop post-processing: shell blank is transferred to intelligent post-processing unit;S4, coating rapid curing;S5, online intelligent detection and stacking.The application significantly improves production efficiency and shortens cycle, improves product precision and yield, greatly reduces energy consumption and floor area, improves production flexibility and intelligent level, improves environmental friendliness, reduces VOCs emission.

The invention relates to a micro-fine particle dip dyeing type gold ore cascade separation-enhanced recovery method which comprises the following steps: first-stage grinding and grading of raw ore: carrying out two-stage grinding and grading on the raw ore to obtain graded overflow with 50-65% of-325 meshes; first-stage whole-size-fraction flotation is conducted, specifically, flotation is conducted on graded overflow, and gold concentrate 1 and first-stage flotation tailings are obtained; second-stage ore grinding and classified desliming are conducted, specifically, first-stage flotation tailings are subjected to ore grinding and classified into coarse-fraction slurry with the particle size being + 20 microns and fine-fraction slurry with the particle size being-20 microns; second-stage coarse-fraction flotation is conducted, specifically, flotation is conducted on coarse-fraction slurry with the particle size of + 20 microns, and gold concentrate 2, tailings 1 and middlings are obtained; third-stage middling regrinding: regrinding the middling until the middling with-400 meshes accounts for 80%-90%; and third-stage fine fraction enhanced flotation is conducted, specifically, flotation is conducted on the middling regrinding product and the-20-micrometer fine fraction slurry, and gold concentrate 3 and tailings 2 are obtained. The process of stage grinding, cascade separation and enhanced recovery is adopted, and differentiated equipment configuration, medicament systems and process parameters are adopted in stages and size fractions, so that the gold-loaded minerals of all the size fractions are efficiently recovered in the optimal separation environment.

The utility model relates to the technical field of power distribution equipment, and particularly discloses a detection assembly and power distribution equipment. The detection assembly is applied to the power distribution equipment which is provided with a shell. The detection assembly comprises a conducting bar and a circuit board. The conducting bar is provided with a plurality of branch strips, the circuit board is provided with a plurality of sensors, and each branch strip correspondingly penetrates through one sensor. The circuit board is configured to be of an integrated structure with the conducting bar and is fixed to the shell. According to the detection assembly, the conducting bar and the sensor do not need to be repeatedly aligned in a narrow installation space of the power distribution equipment, modular installation of the detection assembly can be achieved, the installation efficiency of the power distribution equipment can be improved, and the risk that the sensor is damaged due to interference and collision between the conducting bar and the sensor in the installation process can be reduced.

The utility model discloses a low temperature integrated maintenance -free thermal resistance belongs to thermal resistance technical field. The utility model discloses a device includes junction box, protection pipe, airtight sheath pipe, electrical outlet and conversion joint. Conversion joint is composed of aviation fast plug connector (including male head and female head) and gran head. Gran head one end fixed cable, and the other end is fixedly connected with male head. Male head and cable realize electric connection through cable line welding point, and female head is connected with male head through plug -in, and is electrically connected with junction box. The female head both ends are equipped with lock nut, ensure firm connection. The device adopts integrated design, fixes through lock nut, reduces the trouble caused by the connection problem, avoids the inaccuracy of measurement or no signal problem caused by screw loosening in traditional instrument installation, reduces enterprise production loss. Meanwhile, construction personnel can complete installation once when making cold box, need not subsequent high -altitude inspection, simplifies maintenance process, guarantees the safety of workers.

The invention relates to the field of catalytic cracking / cracking catalyst preparation and discloses a molecular sieve-metal oxide composite material as well as a preparation method and application thereof. The composite material is of a core-shell structure, the composite material takes a molecular sieve as a nuclear phase and a composite metal oxide as a shell phase, metals in the composite metal oxide comprise a first metal and a second metal, the first metal is aluminum, and the second metal is selected from at least one of iron, manganese and cobalt; wherein in terms of elements, the molar ratio of the first metal to the second metal is 1: (0.5-10). The composite material provided by the invention is applied to a hydrocarbon catalytic cracking reaction or a catalytic cracking reaction, and has relatively high low-carbon olefin yield and relatively low coke selectivity.

This invention discloses a method for reducing the yield of hollow glass microspheres from fly ash in coal-fired power plants, belonging to the technical field of hollow glass microspheres. One method involves selecting a type of pulverized coal as a reference, adding Al2O3 and SiO2 powders with a mass fraction of 0-40% to the reference pulverized coal, mixing them evenly, and then introducing the mixture into the furnace for combustion. After cooling, hollow glass microspheres are generated. This invention allows for flexible control of the hollow glass microsphere yield according to the actual conditions of the power plant, maximizing ecological and economic benefits. By selecting different coal types, blending coals, or adding additives to control the yield, no power plant modifications are required, and the operation is simple and easy to implement.

The invention provides a method for constructing a salidroside efficient biosynthesis engineering strain with enhanced glycosyl donor and cofactor supply and application of the salidroside efficient biosynthesis engineering strain. The method comprises the following steps: firstly, integrating genes of phenylpyruvate decarboxylase (ARO10) and ethanol dehydrogenase (Adh1) which are derived from yeast in a host, then integrating genes of 3-deoxy-7-phosphoenanthate synthase (aroG), 3-phosphoshikimic esterate-1-carboxyl vinyl transferase (AroB), shikimic acid kinase (AroD) and pre-benzoate dehydrogenase (tyrA), and knocking out tyrosine transaminase (TyrB) and phenylacetaldehyde dehydrogenase (feaB); constructing a high-yield strain of key precursor tyrosol in a salidroside production way; secondly, a gene for coding glucosyltransferase (UGT85A1) is integrated in a host, and a genetic engineering strain capable of stably inheriting and producing salidroside is constructed; and finally, integrating a gene for coding nucleoside diphosphate kinase (Ndk) and knocking out a lactic dehydrogenase (ldhA) gene to construct a genetic engineering strain with enhanced UDP-Glc and NADH supply, thereby getting rid of the unstable influence on the production of the engineering strain caused by the application of plasmids and reducing the cost.

The utility model relates to the field of building ceramic production equipment, in particular to a printing ink adding device of an ink-jet printer, which comprises a color identification module and a sealing box. The sealing box is communicated with an ink storage cavity of the ink-jet printer, and the sealing box is used for sealing an opening of the ink storage cavity; the color recognition module is arranged at the top of the ink storage cavity and used for recognizing the color of an ink bottle cap; the sealing box comprises a turning cover, a feeding groove and an automatic lock, and the automatic lock is arranged outside the feeding groove. A limiting part is arranged at the position, corresponding to the automatic lock, of the inner wall of the turning cover, and the limiting part is buckled and unbuckled on the automatic lock; and the automatic lock is electrically connected with the color recognition module, so that the problem that wrong colors are easy to add when ink is added to the ink-jet printer at present is solved.

The present application relates to a kind of transistor comprising vertical structure, preparation method and application.Transistor comprising vertical structure, gate is vertical structure;The part of the gate, cover the first pattern formed by high hole concentration structure layer processing above;Another part, vertically to the device surface extends to potential barrier layer downwards.The present application, directly through the design of special gate electrode structure, without increasing more processing technology, compared with prior art processing technology, revolutionary proposes a new set of processing logic, changes the structure of gate electrode only needs to reserve processing space when designing transistor structure, without increasing more internal structure of device, also without introducing additional electrode or electrode auxiliary structure, and by simulation analysis can obtain unexpected technical effect, effectively solve the technical problems of transistor anti single particle effect field processing precision, high cost, low yield, it is conducive to large-scale popularization and application.