48 results about "Organic body" patented technology

The composite powder metallurgy net near forming process device comprises a base, the upper end of the base is fixedly connected with a machine body, the upper end of the machine body is fixedly connected with a material tank, the inner bottom of the machine body is fixedly connected with a mold main body, and the upper end of the mold main body is provided with a mold groove; a transverse plate is jointly and fixedly connected between the side wall of the mold body and the inner wall of the machine body, and the transverse plate and the upper end of the mold body are horizontal. The device is reasonable in structure, the electric push rod drives the discharging cover to slide along the transverse plate, powder diffusion is limited in cooperation with the baffles on the two sides, uniform-speed and uniform spreading of powder in a die cavity is achieved, local accumulation is avoided, the consistency of the density of workpieces is ensured, in the material pushing process, impact blocks make repeated contact with protruding blocks of the side baffles, periodic lateral impact is generated under the action of springs, and the powder is evenly sprayed out. And in cooperation with mold cavity constraint of the mold groove, the binding force between powder particles is improved, gaps between materials are reduced, and workpiece defects are reduced.

The invention relates to an organic heterojunction-based light-temperature dual-response sensor element, which is prepared from a substrate, a source electrode, a drain electrode, a grid electrode, an organic active layer, a dielectric layer and a device encapsulation layer, and is characterized in that the organic active layer is composed of a Rho group and an imide group in a Rho diimide system organic small molecular structure; the compound has a long conjugated molecular structure, and charge transfer and energy level matching can be effectively promoted. The organic heterojunction structure has the advantages that the organic heterojunction structure has an interpenetrating network form, the donor-acceptor interface area is remarkably increased, so that the charge separation efficiency is enhanced, the carrier mobility is improved, the transconductance, the on-off ratio and the stability of a sensor element are improved, and the organic heterojunction structure has good solution processability and can be applied to the field of sensor devices. The method is suitable for large-area and low-cost flexible electronic manufacturing. The invention provides a new material system for light and temperature dual-response sensor elements, and has wide application prospects in the fields of wearable sensing, Internet of Things, environment monitoring and the like.

The present invention relates to a device (100; 200) for disinfecting any bacteria, viruses, dust or any other organic or inorganic bodies present in the air of public or private spaces using a disinfection chamber (110, 110"; 210) provided with a filter of laser beams (115, 115", 215). A dense grid of laser beams (115, 115", 215) is formed that saturates the disinfection chamber (110, 110"; 210). The air forced to pass through the entire disinfection chamber (110, 110"; 210) impacts every small particle, bacteria, virus, even nanometric, with laser beams (115, 115", 215), completely pulverizing, destroying and / or neutralizing itself by means of irradiation from a time ranging from 0.5 to 2 seconds of great beam energy.

This invention discloses a method for preparing in-situ grafted and dispersed nano-silica, relating to the field of nanomaterial preparation technology, comprising the following steps: Step ①, mixing sodium-free silica sol solution, water, and polyol in a high-pressure reactor; Step ②, gradually raising the reactor temperature from room temperature to 150-180℃, initially introducing acid anhydride gas or liquid at a certain flow rate, and maintaining temperature, constant pressure, and rotation speed until the pH value reaches 4.0-5.0±0.5, obtaining a primary mixture of hydrated nano-silica; Step ③, pumping an organosilicon coupling agent into the high-pressure reactor using a high-pressure metering pump, maintaining temperature and pressure, stirring the reaction for 30-90 minutes, then cooling, depressurizing, purging with nitrogen, and separating the reaction liquid to obtain grafted and dispersed nano-silica. This application aims to achieve readily available and inexpensive raw materials, reduce the difficulty of preparing nano-silica; solve the problems of dispersibility and compatibility with organic matter in nano-silica; simplify the procedure and improve preparation efficiency.

The utility model relates to the technical field of diaphragm pumps, in particular to a pneumatic diaphragm pump which comprises a base and an adjusting device, a machine body is arranged on the surface of the base, a water outlet is formed in one side of the machine body, and the adjusting device is arranged on the surface of the machine body and comprises a threaded rod which is rotationally connected with the machine body. The side, away from the machine body, of the threaded rod penetrates through the machine body and is fixedly connected with a rotating block, a first hole is formed in the surface of the machine body, the inner wall of the first hole in the surface of the machine body is slidably connected with a flow limiting plate, and the side, close to the flow limiting plate, of the machine body is fixedly connected with a waterproof sleeve which is arranged on the flow limiting plate in a sleeving mode. The flow of the machine body can be conveniently controlled, the stability of the equipment is improved, the operation difficulty of the equipment is reduced, and a user can conveniently adjust according to environmental requirements.

The utility model discloses an electric connection structure of a food processor, which comprises a machine body and a cover body, a handle is arranged on the outer side surface of the machine body, an electric connection plug protruding upwards is arranged on the upper side surface of the handle, an extension part matched with the handle is arranged on the outer side surface of the cover body, and an electric connection socket for the electric connection plug to insert is arranged on the lower side surface of the extension part. The electric connection plug is an arc-shaped electric connection plug, the electric connection socket is an arc-shaped electric connection socket matched with the arc-shaped electric connection plug, and the electric connection plug on the handle is matched with the electric connection socket of the extension part, so that power-on connection between the machine body and the cover body is realized, and the overall structure of the machine body is simplified; and the electric connection plug and the electric connection socket are in plugging connection, so that power transmission and signal transmission functions between the two are ensured.

The invention belongs to the field of phase change energy storage temperature control materials of an organic system, and provides a preparation method of a lignin-based organic phase change material, the lignin-based organic phase change material comprises the following raw materials by weight: 86%-97% of erythritol, 2%-5% of hexagonal boron nitride, 0.5%-2% of a lignin compatibilizer and 0.5%-10% of expanded graphite, and the sum of the mass percentages of the raw materials is 100%. By adding the lignin compatibilizer, the compatibility of the phase change material and other components is improved, and the stability of the whole material is improved by regulating and controlling the formula. The energy storage and temperature control phase change material provided by the invention has the advantages of proper phase change temperature, high phase change enthalpy value, low supercooling degree, good cycle stability and no obvious phase separation phenomenon, and is a proper thermal physical energy storage technology.

The utility model relates to wafer cleaning technical field, especially a nitrogen curtain cleaning machine, including organic body, be equipped with a receiving groove in the bottom of machine body, be equipped with pickling tank, cleaning tank from left to right in the receiving groove, be fixed with a cooling coil in the inside of pickling tank, and be equipped with a plurality of nitrogen curtain in the bottom of pickling tank, the nitrogen curtain evenly distributes in the middle of cooling coil, be equipped with first baffle in the inside of cleaning tank, be equipped with second baffle in the right side of first baffle, first baffle, second baffle divide cleaning tank into first cleaning tank, communication tank and second cleaning tank. The utility model relates to a nitrogen curtain cleaning machine, has better cleaning effect.

The utility model relates to the technical field of algae plants, in particular to an algae plant processing and segmenting device which comprises a box body, a machine body is arranged on the box body, an erecting body is arranged on the box body, an upper pressing plate used for pressing algae is arranged on the erecting body, and a plurality of sawteeth used for cutting off the algae are arranged on the upper pressing plate and the box body. First connecting rods are symmetrically arranged on the box body, second connecting rods used for auxiliary supporting are arranged on the first connecting rods, and adjusters are arranged on the first connecting rods. Through the arrangement of the first connecting rods and the clamping rods, the procedure of manual carrying of algae can be omitted, the conveying efficiency during algae cutting is improved, the rotation angle of the first connecting rods can be increased through the first shaft bodies while the first connecting rods transfer the algae, conveying of the algae with different weights is improved, and compared with the prior art, the conveying efficiency is improved. The algae cutting efficiency can be effectively improved, and the quality of the cut algae is improved.

A polyvinylidene fluoride (PVDF) piezoelectric composite material and its preparation and application are disclosed. The method involves preparing a solution of PVDF-TrFE copolymer (PVDF-TrFE) as the matrix material, adding a solution of organic small-molecule phytic acid (PA) as a functional dopant, and mixing thoroughly to obtain a PVDF-TrFE / PA composite solution. The composite solution is then used to form a PVDF-TrFE / PA composite film through solution casting, spin coating, or electrospinning. After polarization treatment, an improved PVDF piezoelectric composite film is prepared. This invention maintains the material's flexibility and processability while also considering high-voltage piezoelectric performance and long-term stability, overcoming the limitations of both organic-inorganic composite systems and all-organic systems.

The utility model belongs to the technical field of vegetable cutters, and particularly relates to a pickle vegetable cutter which comprises a platform and a guide device, the upper surface of the platform is fixedly connected with a machine body, and the side wall of the machine body is fixedly connected with a blade; a guide device is arranged on the side wall of the platform and comprises a supporting block, a fixing block is fixedly connected to the side wall of the platform, a guide plate is rotatably connected to the inner surfaces of the supporting block and the fixing block, a guide plate is fixedly connected to the surface of the supporting block and located on one side of the blade, and a cleaning device is arranged on the surface of the guide plate and comprises two placement plates; the bottom ends of the two placing plates are fixedly connected with the upper surface of the guide plate, moving rods are slidably connected to the inner walls of the two placing plates, and scrapers are fixedly connected to the bottom ends of the moving rods; by arranging the whole device, pickles can be guided, the situation that the pickles are driven by the blade to splash to other places is reduced, and meanwhile the angle of the guide plate can be adjusted according to the position of the container.

The invention relates to quantitative detection of a semiconductor wet etching solution, in particular to a near-infrared detection method for the content of acid and ammonium acid in an organic system, which comprises the following steps: carrying out uniform formula design on a modeling sample, and calculating the content of acid and ammonium acid in the modeling sample by applying a basic principle of a stoichiometric method through a partial least square method. The method for quantifying the mass fractions of the acid and the acid ammonium in the organic system is formed by associating near infrared spectrum data of a sample with the mass fractions of the acid and the acid ammonium through spectrum pretreatment, analysis waveband selection, determination of optimal modeling parameters such as the optimal number of main factors and a root-mean-square error (RESECV) of cross validation and the like and establishing a model. Compared with a traditional titration method and a gas-phase liquid-phase detection method, the method has the advantages that the time consumption is long (more than 15 minutes) and the precision is poor (more than 0.5%), the interference of similar structures of acid and acid ammonium can be effectively eliminated, and the detection precision is within 0.05%; moreover, the quantity of modeling samples required by the method is only 25-35, so that the modeling workload (the quantity of general near-infrared modeling samples is 100-300) is reduced, and the requirements on accuracy and high efficiency of product content inspection can be met.

The invention provides an all-organic stretchable broadband light self-adaption-synapse transistor based on a donor-receptor-elastomer ternary hybrid net-shaped self-assembly photosensitive active layer and a preparation method of the all-organic stretchable broadband light self-adaption-synapse transistor. The all-organic stretchable phototransistor is constructed by an all-organic stretchable phototransistor with a bottom gate top contact structure, and a hybrid photosensitive active layer is optimized through the blending proportion, the pre-aggregation form and the self-assembly morphology of related polymers. The full-organic stretchable broadband light self-adaption-synaptic transistor prepared by the invention has excellent field effect characteristics, broadband photoelectric response performance and high tensile strain capacity; and meanwhile, the device has a synaptic behavior simulation function and an adjustable bionic visual self-adaptive function. According to the invention, the blank of an all-organic system in the construction of a stretchable adaptive transistor device is filled, the application prospect of a nerve-like device is widened, and a feasible strategy is provided for the fields of wearable photoelectric devices, eye prostheses, cranial nerve-like calculation, bionic visual networks and the like in the future.

The utility model relates to vertical type rubbing crusher technical field especially relates to an organic fertilizer vertical type rubbing crusher of preventing blockage, including the chassis, the top fixed installation organism of chassis, the inner wall of body is opened and has the rubbing chamber, the inner wall rotationally connects with the main shaft of rubbing chamber, the outer wall fixed connection has the screw vane push board of main shaft, the inner wall rotationally connects with the first roller body of rubbing chamber, the outer wall has the second roller body of first roller body, through the drive of drive motor, screw blade realizes rotation, and then orderly batch pushes material to first roller body and second roller body and carries out high -efficient rubbing, and through transmission belt drive two roller bodies and carry out rotation rubbing, ensure the continuous, stable transportation of fertilizer, effectively avoid the stagnation or accumulation of material on the conveying path, reduce the risk of blockage, not only improve the production efficiency, but also reduce energy consumption and production cost through optimizing material flow, realize the efficient and energy -concurrence of production process.

The utility model is applicable to the technical field of metallurgical equipment, and provides a stemming disassembling device which comprises a stemming disassembling device body comprising a machine body, a partition plate and a conveying belt, a sliding opening is formed in one side of the machine body, and a box body used for collecting stemming chippings is installed on the sliding opening in a sliding mode; the hopper body is fixedly mounted on the partition plate; the water tank is fixedly installed on the inner wall of the bottom of the machine body and used for storing cleaning fluid, and a water receiving opening is formed in the top of the water tank; and the scraping mechanism is assembled on the hopper body and is used for cleaning the conveying belt. According to the stemming disassembling device provided by the scheme, the problems that when an existing stemming disassembling device is used for cleaning work, the physical strength of workers is consumed, and the cleaning difficulty is large are solved.

The present invention relates to the field of engineering surveying technology and discloses a line-laying device for land engineering surveying and mapping, comprising a tripod, the top of the tripod being fixedly connected to an adjustment portion, the upper surface of the adjustment portion being fixedly connected to an organic body; the adjustment portion comprising a base, the lower surface of the base being fixedly connected to the top of the tripod, the upper surface of the base being rotatably connected to a rotating ring frame, the top of the rotating ring frame being fixedly connected to a first block, and the rotating ring frame being rotatably connected to a first shaft via the first block. This line-laying device for land engineering surveying and mapping can effectively solve the problems in the prior art, such as the difficulty for workers to complete the leveling adjustment of a total station at the same position, the low adjustment efficiency, and the difficulty for workers to move freely around the tripod due to the influence of construction, which restricts the workers' operating movements and reduces their operating efficiency.

The invention belongs to the technical field of organic compounds, and particularly relates to a pure organic room-temperature phosphorescent material with an ultra-long charge transfer triplet property, a preparation method of the pure organic room-temperature phosphorescent material and application of the pure organic room-temperature phosphorescent material as an organic photoinitiator. The pure organic room-temperature phosphorescent material with the ultra-long charge transfer triplet property has a structural general formula as shown in a formula I or II. The photoinitiator can be used as a single-component photoinitiator, a system added with the photoinitiator can be effectively photocured under an LED light source, a pure organic photocuring coating which emits light under ultraviolet irradiation and has the long afterglow property after illumination is formed, and the formed material, coating and pattern can emit fluorescence under the dark field ultraviolet irradiation condition, have long afterglow after an ultraviolet lamp is turned off, and have the long afterglow property after the ultraviolet lamp is turned off. And the fine pattern of the coating can be clearly, completely and quickly evaluated, so that optical monitoring can be synchronously realized when the method is applied to the curing fields of photoresist, three-dimensional printing and the like. The compound can also be directly added into a coating to form a long afterglow coating of a pure organic system. General formula I; formula II.

The present application relates to the technical field of X-ray detectors, and particularly relates to an organic heterojunction active layer, a preparation method and a precursor solution thereof, and a direct organic X-ray detector. By adding a non-conjugated insulating polymer in the active layer precursor solution, the non-conjugated insulating polymer is used to adjust the interface state, the distribution thermodynamics and film forming kinetics of high-Z nanoparticles are synergistically regulated, the deposition and local agglomeration of high-Z nanoparticles in the thickness direction of the active layer are inhibited, the high-Z nanoparticles form a more uniform spatial distribution in the active layer, and the problems of high dark current, damaged transport network and fluctuating device performance caused by the introduction of high-Z nanoparticles are solved.

The utility model discloses an organic fertilizer processing granulator with a screening function, which comprises a base, the base is provided with a machine body, the machine body is provided with a discharging frame, the discharging frame is connected with a screening box in a penetrating manner, the screening box is rotatably connected with a rotating frame, the rotating frame is rotatably connected with a rotating plate, the rotating plate is rotatably connected with a screening frame, and the screening frame is connected with a motor. The screen frame is connected with a screening box in a sliding mode, the screen frame is provided with a spring, the screening box is provided with a guide plate, the guide plate is provided with an inclined plate, the screening box is communicated with a material returning frame through a guide frame, the material returning frame is connected with a rotating shaft in a rotating mode, the rotating shaft is provided with a spiral piece, and the material returning frame is provided with a pipeline. A screening box is arranged in front of the machine body, and a sliding screening frame in the screening box can screen discharged organic fertilizer particles; a guide plate, an inclined plate and a material returning frame in the screening box are matched to convey screened powder back into the material box.

An article retention system, process, and lighting system that allows articles, particularly holiday string lighting, to be hung about organic bodies, e.g. trees, having a substantial height. The present invention obviates the need to either harm the organic entity for affixation or wind an elongate string about a tree.

The utility model discloses a concrete pavement water permeability detection device which comprises a detection mechanism, the detection mechanism comprises a machine body, a water storage tank fixed on the top surface of the machine body and a round pipe clamped in the water storage tank, and the top end of the round pipe is fixedly connected with a sample clamping and plugging mechanism. A glass graduated tube is fixed at the top end of the sample clamping and plugging mechanism; and the sample clamping and plugging mechanism comprises a servo air pump on the left side wall of the machine body. According to the technical scheme, the outer cylinder is arranged between the circular tube and the glass graduated tube, the annular air bag in the outer cylinder is inflated through the air pump and the air pipe, so that the air bag expands inwards to clamp a concrete sample, the concrete sample is prevented from inclining, and the posture of the concrete sample is fixed; under the expansion action of the air bag, the silica gel sleeve ring is tightly attached to the surface of concrete, so that the surface gap of the concrete outer ring is blocked, and the influence of the gap on the water permeability detection result is reduced.

The utility model relates to the technical field of food processing, in particular to a multifunctional vegetable cutter suitable for strip-shaped food, which comprises a machine body, the machine body comprises a conveying mechanism, a fixing plate is fixedly arranged above the conveying mechanism, the fixing plate and the conveying mechanism are in a parallel state, and the bottom of the fixing plate is rotatably connected with two guide plates. The two guide plates are symmetrically arranged in the width direction of the fixing plate. According to the utility model, the two rotatable guide plates are arranged on the conveying mechanism of the vegetable cutter, so that the angles and the orientations of the two guide plates can be adjusted, and therefore, after melons, fruits and vegetables pass through the guide plates, the inclination angles of the melons, fruits and vegetables can be changed, the device can realize the operation of oblique slicing, and more use requirements of users are met.

The application relates to a display panel and a display device. The display panel comprises a display part, a bending part located at one side of the display part, and a binding part located at a side of the bending part away from the display part. The display panel comprises a substrate, a driving circuit layer located at one side of the substrate and at least at the display part, an encapsulation layer located at a side of the driving circuit layer away from the substrate and at least at the display part, a first organic layer located at a side of the encapsulation layer away from the substrate and at least at the display part, and a protective layer arranged at one side of the substrate and located at the bending part. The first organic layer comprises a first organic body. The protective layer comprises at least one sub-film layer, the at least one sub-film layer comprises a second organic body and a plurality of conductive particles distributed in the second organic body, and the at least one sub-film layer comprises the same material as the first organic body. The application can solve the problem that the bending part is easily damaged by static electricity.

The utility model provides an environment-friendly nanoscale regenerated rubber impurity filtering and separating device which particularly relates to the technical field of rubber processing and comprises a supporting plate, the top of the supporting plate is fixedly connected with a machine body, the inner wall of the machine body is fixedly connected with a rectangular hopper, the inner wall of the rectangular hopper is fixedly connected with a filtering plate, and an impurity recycling mechanism is arranged in the rectangular hopper. Through mutual cooperation of a motor, a reciprocating screw rod, a reciprocating screw sleeve, a connecting plate and other components arranged in the impurity recovery mechanism, after liquid rubber impurities are filtered, the impurities accumulated at the top of a filter plate and the liquid rubber which does not enter a rectangular hopper are recovered, and the impurities can be removed more effectively; and then through mutual cooperation of a transmission gear, a rack, a knocking rod and other assemblies arranged in the vibration mechanism, the effect that when the impurity removal process of the liquid rubber is completed, the filter plate vibrates is achieved, so that the rubber attached to the interior of the filter hole is separated from the interior of the filter hole, and waste is avoided.

Disclosed are methods for protecting articles and / or structures exposed, submerged and / or partially submerged in aquatic environments from contamination and / or fouling due to invasion and / or colonization of biological organisms and / or plants of particular types and / or species (e.g., biological organisms and / or plants). Devices, methods and / or systems including protection against microscopic and / or macroscopic fouling over an extended period of time of exposure to an aquatic environment).

A light applicator system (19), for organic body (9) examination and / or treatment, includes a light applicator (1) with a distal-side insertion portion (13) with an actively light-emitting element and a needle tip (25) for piercing tissue (11) arranged axially centrally at the distal end. A positioning element (5) is fixable relative to the organic body and has a receptacle (3) for a light applicator defined position and orientation and in which the needle tip is guided axially centred. A pre-piercing aid (21) has a pre-piercing aid shaft (23) and an axially centrally arranged distal needle tip (15). The pre-piercing aid fits into the receptacle such that the needle tip is guided axially centred in the receptacle, and the pre-piercing aid has a defined orientation with respect to the organic body which corresponds to the defined orientation with respect to the organic body of the at least one light applicator.

This invention discloses a stretchable organic phototransistor based on a stable bulk heterojunction and its fabrication method. The transistor has a bottom-gate-top-contact top electrode structure and, from bottom to top, comprises a stretchable substrate, a stretchable gate electrode, a stretchable insulating layer, a stretchable organic active layer, coplanar stretchable source / drain electrodes, and a stretchable encapsulation layer. This invention uses a mixture of semiconductor polymers and elastomer polymers as the stretchable electron donor and highly photosensitive organic small molecules as the electron acceptor. An organic heterojunction is formed through solution blending to serve as the stretchable organic active layer. All functional layers are fabricated using stretchable materials, and the device is assembled using a thermal bonding transfer method. This phototransistor achieves a balance between stretchability and photoelectric performance, exhibiting not only high carrier mobility and high photoresponse sensitivity but also maintaining stable photoelectric performance under high mechanical stretching deformation.

The utility model discloses an organic fertilizer extruding and granulating device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a first supporting frame and a second supporting frame, a machine body is arranged between the first supporting frame and the second supporting frame, and rotating shafts are fixedly connected to the two sides of the machine body. The machine body is rotationally connected with the first supporting frame and the second supporting frame through two rotating shafts, a first motor is fixedly connected to the outer side of the first supporting frame, a first driving part is fixedly arranged at the driving end of the first motor, and the driving end of the first driving part is fixedly connected with the rotating shafts; the granulation assembly is arranged in the machine body, a rotating disc and a granulation roller are arranged in the granulation assembly, and granulation can be carried out; and the granulation assembly comprises a rotating disc which is rotationally connected into the machine body. According to the utility model, through the arrangement of the granulation assembly, materials after granulation are rolled more uniformly through the rotation of the rotating disc.

The utility model relates to the technical field of plastic particle recovery, and discloses a cleaning device for plastic particle recovery of a plastic granulator, which comprises a machine body, one side of the machine body is provided with a discharge port, and the front side of the machine body is provided with a movable port; the collecting box is arranged in a movable opening formed in the machine body; the handle is arranged on the front surface of the collecting box; the collecting box is arranged on one side of the machine body; the cleaning assembly is arranged in the machine body; and the screening assembly is arranged in the machine body. Plastic particles needing to be cleaned are poured into the cleaning tank, clean water is added, then the first motor is started, the first motor operates to drive the first rotating rod to rotate, the first rotating rod rotates to drive the stirring blades and the second cleaning brush to rotate, and the stirring blades rotate to enable the plastic particles floating in water to make contact with the first cleaning brush for cleaning. And the second cleaning brush rotates to clean the plastic particles sinking into the tank bottom, so that the effect of cleaning the plastic particles is achieved.

The utility model relates to the field of prefabricated vegetable sterilization equipment and discloses sterilization equipment for prefabricated vegetable production, which comprises a base, a machine body is arranged on the upper surface of the base, a switch lock is mounted at the front end of the right surface of the machine body, a machine cover is arranged on the front side of the machine body, and an air outlet plate is arranged at the top end of the inner wall of the machine body. An adjusting mechanism is arranged at the rear end of the machine cover, the adjusting mechanism comprises a driving assembly and an overturning assembly, and a positioning assembly is arranged at the rear end of the machine cover; the driving assembly comprises a motor, and the motor is arranged on the front surface of the machine cover. According to the utility model, through the cooperative operation of the driving assembly and the overturning assembly in the adjusting mechanism, the position and the direction of the prefabricated vegetable can be continuously changed in the sterilization process, and when the placing box reciprocates, the prefabricated vegetable can be overturned to ensure that the front and the back of the prefabricated vegetable can be in full contact with vaporized gas, so that the sterilization uniformity is effectively improved, and the product quality is guaranteed.