152results about How to "Quick conversion" patented technology

The invention provides an L-threonine aldolase mutant and application of the L-threonine aldolase mutant in catalytic synthesis of p-methylsulfonylphenylserine, the L-threonine aldolase mutant is derived from pseudomonas, threonine and p-methylsulfonylbenzaldehyde can be used as substrates, and the L-threonine aldolase mutant can be synthesized by using a one-step method. According to the present invention, L-threonine aldolase is adopted as a raw material, pyridoxal phosphate and reduced nicotinamide adenine dinucleotide are adopted as coenzymes, the synthesis of florfenicol intermediate product p-methylsulfonyl phenyl serine is obtained through catalysis, and compared with the wild type L-threonine aldolase, the mutant enzyme has high activity, can effectively improve the conversion efficiency, and can shorten the conversion time; the enzyme and the technical method provided by the invention have the advantages of mild reaction conditions and less pollution, and have good industrial prospects in the production of florfenicol synthesis intermediates.

The utility model discloses a valve mechanism for realizing reverse-flow type cylinder deactivation of an engine and the engine, which can realize switching between a normal working mode and a reverse-flow cylinder deactivation mode of a valve and can realize quick switching between the two working modes according to the working condition of the engine. The main structure comprises an air distribution cam, a hydraulic tappet part, a control valve part, a hydraulic piston driving part, a hydraulic system and the like. By adjusting the control valve component, the protrusion of the gas distribution cam is in the closing period or the oil drainage period of the control valve component, an exhaust valve is normally opened in the exhaust stroke and is opened again in the air inlet stroke, an air inlet valve is closed in the air inlet stroke, backflow cylinder deactivation work of an engine is achieved, fuel economy under the low-speed small-load working condition is improved, and the service life of the engine is prolonged. And the method also plays an important role in exhaust heat management.

Belonging to the technical field of high temperature resistant composite aerogel, the invention provides a bicontinuous network composite aerogel with large length-diameter ratio shell-core structure in-situ embedded porous silicon carbide foam, which comprises a shell-core structure and a skeleton, the shell-core structure comprises an inner core and a shell layer, the shell layer is of a ceramic silicone rubber layer structure, and the inner core is a SiC nanowire of a continuous network structure; the framework is porous silicon carbide foam with a continuous network structure; wherein the core-shell structure is embedded on the skeleton structure in situ to form an interspersed bicontinuous network composite structure. The invention also provides a preparation method, according to the method, by precisely designing the mechanical distribution of the nanowires, the ceramic skeleton and the porous structure on the coupling characteristic, the multifunctionality, energy absorption and high temperature resistance of the composite aerogel are synergistically optimized, and the composite aerogel has remarkable advantages in the aspects of regulation and control of sound waves, electromagnetic waves and light waves, high-temperature oxidation resistance and vibration resistance. Therefore, the composite material has wide application potential in the fields of aerospace, military protection, electronic equipment, building shock insulation and the like.

The invention provides a method, system and device for collecting MODBUS device data based on an Internet of Things platform and a medium, and belongs to the technical field of data conversion, and the method comprises the following steps: obtaining point table information of a target MODBUS device, MODBUS channel information for data collection of the target MODBUS device, and point position information configuration; creating a product model, a device model and an object model for the target MODBUS device on the Internet of Things platform, and carrying out mapping relation binding with point location information of data acquisition of the target MODBUS device; reading data from the target MODBUS equipment according to the bound mapping relation, and storing the data according to a preset storage strategy; and converting the read target MODBUS equipment data into standard data which can be identified by the Internet of Things platform. The MODBUS equipment data is efficiently converted into the Internet of Things standard data, the cost period is shortened, and the method is compatible with a multi-equipment platform.

The utility model relates to the technical field of formaldehyde removal, and discloses a photocatalyst-based multi-stage formaldehyde removal device which comprises a treatment box, a filter window is arranged on one side of the treatment box, a filter screen is mounted in the treatment box, two sliding columns are fixedly connected to the upper portions of the two sides of the filter screen, springs are mounted on the outer walls of the sliding columns, and the outer walls of the sliding columns are fixedly connected with the filter screen. One ends of the springs are fixedly connected to the upper portions of the two sides of the filter screen, and mounting blocks are mounted on the upper portions of the two sides of the filter screen. According to the utility model, the pushing block is pushed to enable the mounting block to slide on the sliding column, the spring is compressed, and the two fixing blocks are driven to be close to each other, so that the fixing blocks can be separated from the first mounting groove, and the fixing blocks can be reset to enter the first mounting groove under the action of the spring when the pushing block is loosened; therefore, the filter screen can be quickly disassembled and assembled, the filter screen can be conveniently cleaned, and the working efficiency and the performance stability of device operation are effectively improved.

The utility model relates to the technical field of air treatment, in particular to a flat and urgent combined air treatment unit which comprises an air supply box body, an air inlet end of the air supply box body is communicated with the outside, an air feeder is arranged at an air outlet end of the air supply box body, and an air supply outlet of the air feeder is communicated with the inside; a return fan, a return air valve, an exhaust valve and at least one first filter are arranged in the air return and exhaust box body, the air inlet end of the air return and exhaust box body is communicated with the indoor space, the first filter is detachably arranged between the return fan and the air inlet end of the air return and exhaust box body, and the air return and exhaust box body is provided with a return air inlet and an exhaust outlet; the air return port communicates with the air inlet end of the air supply box through an air return valve, and the air exhaust port communicates with the outside through an air exhaust valve. The ordinary-emergency combined air handling unit can be switched between the ordinary working condition and the emergency working condition, the ordinary comfortable air conditioning function can be achieved, and meanwhile the emergency public health event can be dealt with.

The invention provides a pyrite-coated WS2 heterogeneous Fenton composite catalyst as well as a preparation method and application thereof, and belongs to the technical field of organic dye sewage treatment. The method comprises the following steps: carrying out mechanochemical ball milling on nano WS2 and pretreated pyrite to prepare pyrite coated WS2; wherein the mechanochemical ball milling technology can improve the industrial wastewater treatment efficiency and reduce secondary pollution. By controlling the contrast, pollutant concentration and pH value of the catalyst, the prepared composite catalyst shows excellent catalytic activity and stability. The invention provides an effective strategy for solving the self-repairing and recycling problems of the traditional Fenton catalyst in practical application, is expected to be widely applied to the field of industrial wastewater treatment, and promotes the development of an environment treatment technology.

An endogenous safe isomer generation method based on a large language model comprises the steps that 1, in the code generation process of the large language model, error types and repair schemes corresponding to the error types are obtained to form a plurality of question and answer pairs; establishing a layered guide instruction of each question and answer pair; adjusting the large language model based on the hierarchical guidance instruction to generate an error-repaired code; 2, isomer codes with errors in the compiling process are extracted and fed back to the large language model, and the isomer codes in the large language model are adjusted for the first time to generate parameters; generating a compiled isomer code by using the large language model adjusted for the first time; 3, isomer codes with inconsistent logic functions under different fuzzy test input information are extracted and fed back to the large language model adjusted for the first time, and the isomer codes in the large language model are adjusted for the second time to generate parameters; and generating an isomer code by using the large language model adjusted for the second time to serve as a safe isomer code.

The invention relates to the technical field of flood control dispatching, and discloses a reservoir flood control water level dynamic control and flood recycling method and system, and the method comprises the steps: obtaining a surface rainfall forecast value of a reservoir basin based on real-time rainwater condition data and numerical weather forecast; a hydrodynamics and hydrology coupled drainage basin runoff model is driven, and an in-reservoir flood hydrograph in a predicted period is generated; judging the flood scale and grade based on the hydrograph, and when the flood is medium and small flood, calculating the dynamic flood control storage capacity of a downstream flood control object by adopting an equivalent flood control effect algorithm taking into account the pre-discharge scheduling capability; according to the dynamic flood control storage capacity, a dynamic flood control water level control value is obtained through backstepping of a water level-storage capacity relation curve of the reservoir; and finally, generating and executing a reservoir dispatching instruction based on the control value, and storing the water level of the reservoir to not exceed the dynamic value. The problems that a fixed flood control water level method is low in water resource utilization rate and inflexible in dispatching are solved, and flood resource efficient utilization on the premise of flood control safety is achieved.

The invention provides a vehicle intelligent welcome control method and system, and the method comprises the steps: responding to different welcome control signals based on the position distance between a passenger and a vehicle, and generating a corresponding welcome starting instruction; obtaining different weather environment information based on the corresponding welcome starting instruction, and starting welcome modes under different weather conditions; and executing corresponding welcome actions based on the welcome modes under different weathers. The problems that in the prior art, only a fixed greeting mode can be used, the function is single, service content cannot be customized in a personalized mode, and reliable greeting service cannot be provided in the face of a complex environment are solved. According to the invention, the environment information is identified, different greeting strategies are executed for different environments, and reliable greeting service is provided.

The utility model discloses a rotary type double-station annular workpiece clamping device, which relates to the technical field of clamping devices, and comprises a mounting plate and a movable plate, two groups of clamping mechanisms are arranged at the upper end of the movable plate, a rotating mechanism is arranged at the lower end of the mounting plate, each clamping mechanism comprises a concave seat, five groups of arc-shaped push blocks and a fixed round seat, an air cylinder is fixedly installed in the concave base, a protective shell is fixedly installed at the upper end of the concave base, L-shaped arc supporting plates are fixedly installed at one ends of the five sets of arc-shaped pushing blocks, six sets of vertical holes are formed in the upper end of the fixed round base in a penetrating mode, and a long pushing frame base is fixedly installed at the extending end of the air cylinder. And connecting pieces are rotationally mounted on five protruding parts at the upper end of the long push frame seat. According to the annular workpiece clamping device, the annular workpiece can be fixed, the phenomenon of unstable clamping is prevented, it is guaranteed that the annular workpiece cannot deviate, and then the machining precision and efficiency cannot be affected.

The invention discloses a movable building construction waste treatment device which comprises a frame, rollers are rotatably mounted on the lower surface of the frame, a brake mechanism is rotatably mounted on one side of the frame, a first U-shaped frame and a second U-shaped frame are fixedly mounted on the two sides of the frame respectively, and a dust collection mechanism is fixedly mounted in the first U-shaped frame; the dust collection end of the dust collection mechanism is installed on the upper surface of the crushing bin, and a feeding mechanism is rotationally installed in the second U-shaped frame. Through the design of the dust collection mechanism and the feeding mechanism, the dust collection mechanism pushes or pulls the vehicle frame to a construction waste accumulation position, so that the equipment can quickly reach a waste generation place, the carrying distance of the construction waste can be reduced through the flexible moving mode, the treatment efficiency is improved, and through the folding design of the feeding mechanism, the construction waste can be conveniently and rapidly transported. In the construction waste treatment process at different places, the construction waste treatment device can be quickly converted from a transportation state to a working state through the folding and unfolding functions.

This utility model discloses a folding stool, including a seat frame, a backrest, and legs. The backrest is rotatably mounted to the seat frame via a first pivot, and the legs are hinged to the seat frame via a first adjustment assembly. The first adjustment assembly has a limit hole, and the seat frame has a positioning hole corresponding to the limit hole. A rotating pin is inserted into the limit hole and the positioning hole. A second adjustment assembly is provided between the backrest and the seat frame. By providing a second adjustment assembly consisting of a pull plate, a toothed plate, a gear, and a spring, the user can easily adjust the backrest angle by holding the pull plate with one hand to separate the toothed plate from the gear. After releasing the pull plate, the spring automatically resets, causing the toothed plate to re-engage with the gear for quick locking. This structure is not only easy to operate but also achieves stepless adjustment, meeting the user's personalized comfort needs and overcoming the shortcomings of traditional pin-type adjustment which has a fixed angle, is laborious to operate, and is prone to wear.

This invention provides a method and system for designing complex fracture networks in three-dimensional fracturing of shale oil systems. The method includes: first, identifying the original three-dimensional seepage paths of reservoir samples, including natural fractures and pores, using core observation and microscopic identification. Then, using CT and NMR techniques, the number and morphology of fractures are quantitatively characterized and delineated, forming digital characterization units of the pore-fracture network structure. Next, appropriate fracturing processes are selected based on different original fracture matching relationships, including controlled near-to-far expansion, broadband expansion, and pressurized expansion processes. A CO2-based pre-fracturing acid initiation process is added. Finally, based on optimized and reasonable three-dimensional fracturing parameters for the well group, a refined three-dimensional geological model, a geostress model, and a numerical simulation model of the actual well group are established. This three-dimensional fracturing network design method has advantages such as high accuracy, comprehensive parameters, convenience, and ease of operation.

The utility model discloses an indoor ski field racing track conversion construction structure which comprises a temporary conversion node, the temporary conversion node comprises a profile steel stand column, a flange is connected to the top of the profile steel stand column through a pin shaft, and a reinforced concrete beam column and a profile steel concrete beam column top are fixedly connected to the bottom of the profile steel stand column. The outer wall of the reinforced concrete beam column is fixedly connected with a rock wool composite board; the lower half part of the temporary transfer node is embedded in the snowway structural layer, the outer wall of the temporary transfer node is coated with a heat preservation layer, the upper side of the heat preservation layer is fixedly connected with a second leveling layer, and a mounting gap is formed between the upper half part of the temporary transfer node and the snowway structural layer at intervals; a waterproof layer and a protective layer are fixedly connected between the installation gap and the heat preservation layer, and foaming polyurethane is poured into an inner cavity of the profile steel stand column. The problem that when an indoor ski field has the requirement of irregularly holding sports events, a temporary structure conversion node needs to be reserved on a slide way, but a structure meeting the requirement does not exist at present is solved.

The invention discloses a quick-start compressed air energy storage system based on residual wind power absorption and a control method thereof. The system comprises a power divider, a lithium battery, a main compressor unit, at least one peak shaving compressor, a plurality of compression working medium flow valves, a plurality of air compressor interstage coolers, an air storage tank, a pressure regulating valve, a vortex tube, a distribution valve, a heat storage tank, a plurality of heat tank heat source supply flow valves, a cycle working medium flow valve, a turbine air inlet precooler, a turbine generator unit and an adsorption tower. An ORC power generation system and a power supply control and black start module; wherein the power supply control and black start module is used for executing corresponding control strategies according to various power grid operation data and wind power. The system can adaptively start the peak regulation compressor to absorb excess electric energy, and combines a hybrid frequency modulation architecture and a black start protocol, so that the system response speed, the energy storage density, the energy comprehensive utilization efficiency and the power grid supporting capability are remarkably improved, and efficient consumption and rapid peak regulation of wind power fluctuation are realized.

The invention discloses a flavone derivative as well as a microwave preparation method and application thereof, and belongs to the technical field of medicinal chemistry. Comprising the following steps: S1, carrying out diazotization transfer reaction on a 1-phenyl-2-acetone compound to prepare an alpha-diazocarbonyl compound; and S2, heating the alpha-diazocarbonyl compound and 3-hydroxyflavone in microwaves to react to prepare the flavone derivative. The scheme provided by the invention is suitable for realizing Wolff rearrangement reaction of alpha-diazo compounds and alcohol compounds in microwaves, does not need to use the traditional kettle reaction, catalyst and excessive substrate, and has the advantages of simple operation, rapid reaction, few byproducts, high yield, short time and wide substrate application range; and the prepared flavonoid ester compound has an excellent anti-cancer effect.

The present application relates to the field of integrated circuit technology, and provides a pulse trigger type level shift circuit, which comprises a double pulse current generating circuit, a high-low level shift conversion holding circuit, a high voltage domain output shaping filter circuit and an RS flip-flop connected in sequence. The double pulse current generating circuit generates a short double pulse current signal in response to a jump edge of a low voltage domain input signal; the high-low level shift conversion holding circuit combines the current signal with the input signal to generate a complementary pulse voltage signal in a high voltage domain; the shaping filter circuit shapes and filters the pulse voltage; and the RS flip-flop finally latches the logic state and outputs a stable high voltage domain signal without glitches. The present application generates an extremely short pulse only when the signal jumps by means of pulse current trigger, eliminates the static current path, and has low static power consumption. Meanwhile, the pulse driving is used to realize fast level inversion under high voltage difference, and the input signal driving capability requirement is low, so that the high speed and low power consumption characteristics are taken into account.

The utility model discloses an electromagnetic function test system, include: both side's stand, the stand middle part is installed with the feed source installation platform through the lifting structure, two groups of feed source assembly are installed above the feed source installation platform, the feed source installation platform bottom has the wave absorbing background structure, the wave absorbing background structure middle part places the sample to be measured, the feed source installation platform realizes horizontal direction transverse movement through the translation structure, has the rotary structure in the feed source assembly, thereby realizes the measurement process realizes up and down movement, left and right movement and angle rotation conversion, solves the technical problem of the measurement error of the test system in the prior art is serious, cannot simultaneously compatible P, L wave band material test and high frequency microwave test and cannot achieve the comprehensive electromagnetic function material test analysis of multiple projects.

The present invention relates to an experimental device for a self-rescuer to resist rolling impact, belonging to the technical field of self-rescuer experiments; it comprises an operating box and a driven seat on left and right sides, a test box body is arranged between the operating box and the driven seat, a driving mechanism and a first planetary gear mechanism are arranged inside the operating box, the driving mechanism is connected with the first sun gear of the first planetary gear mechanism; a first clutch mechanism is slidably arranged on the first planetary frame of the first planetary gear mechanism, and the left end of the test box body is connected to the first clutch mechanism through a first universal joint; a second planetary gear mechanism is arranged on the driven seat, a second clutch mechanism is slidably arranged on the second planetary frame of the second planetary gear mechanism, and the right end of the test box body is connected to the second clutch mechanism through a second universal joint; the problem that the current rolling impact resistance experimental equipment for self-rescuers can only perform horizontal rotation experiments on self-rescuers is solved.

The utility model discloses an excavator and drilling machine combined construction arm, which is characterized in that a submerged drilling mechanism is innovatively integrated on the basis of a traditional movable arm, a bucket rod, a bucket and a connecting rod structure, that is, a mounting chamber is arranged in the bucket rod, a containing groove is formed in the bottom of the bucket rod, a lifting platform driven by a lifting oil cylinder is arranged in the mounting chamber, and a drill rod and a drill bit driven by a rotating oil cylinder are assembled on the lifting platform. The drill bit extends into the storage groove through the through hole to achieve drilling operation, the drill rod makes contact with the inner wall of the through hole to automatically clean mud, during drilling operation, the bucket is folded to avoid, the drill bit retracts to the storage groove during excavation, mutual non-interference is achieved, rapid switching of the excavation function and the drilling function is achieved through the design, the structure is compact, and the construction efficiency is effectively improved.

The utility model discloses an adjustable engineering cost budgeting workbench which comprises a base, a telescopic sleeve is fixedly installed in the middle of the top of the base, the top of the telescopic sleeve is in sliding connection with a telescopic rod, the lower end of the telescopic rod penetrates and extends into the telescopic sleeve, and the top of the telescopic rod is rotationally connected with a workbench body. The threaded rod is rotationally connected to the inner bottom of the base, the upper end of the threaded rod penetrates and extends into the telescopic rod, and the end, relative to the interior of the telescopic rod, of the threaded rod is sleeved with an inner threaded sleeve block. According to the adjustable engineering cost budgeting workbench, a bevel gear at the output end of a motor is meshed with a bevel gear on a rod body of a threaded rod, then the motor drives the threaded rod to rotate, and due to the fact that the threaded rod is connected with an inner threaded sleeve block through threads, a telescopic rod slides in a telescopic sleeve; and meanwhile, the connecting plate is driven to slide in the supporting plate, and then the telescopic rod is driven to drive the workbench to adjust the height.

The invention discloses a method and device for automatically generating an AI training course, and relates to the field of physical education. A first video is acquired, skeleton points are acquired on human body parts in the first video, and a skeleton point movement track is formed in the first video; obtaining an invalid action interval in the first video; performing slicing processing on a time axis of the first video based on the invalid action interval to obtain a plurality of segmented sections; dividing the segmentation section into a valid section and an invalid section according to an invalid action interval; and judging the type of the effective section, matching the effective section with a preset AI identification module, and adding the matched AI identification module into the effective section to obtain a second video for generating the AI. According to the invention, the recorded or live-broadcast course video can be quickly and efficiently converted into the training course with the AI recognition effect.

The utility model provides efficient heat exchange cold acid equipment convenient for mixing, which relates to the technical field of cold acid production and comprises a mixing kettle, a bottom plate is mounted at the bottom of the mixing kettle, a plurality of support columns are mounted at the bottom of the bottom plate, a feed hopper is mounted on one side of the mixing kettle, and a discharge hole is formed in the bottom of a barrel. A first water tank and a second water tank are mounted on one side of the exterior of the mixing kettle, a water inlet pipe is connected to the top of the first water tank, a mounting groove is formed between the mixing kettle and the barrel, a cooling mechanism is arranged in the mounting groove and comprises a condensation pipe, and a second motor is mounted on the top of the mixing kettle; the output end of the second motor is in transmission connection with a rotating rod, one end of the rotating rod penetrates through the barrel and extends into the barrel, a stirring mechanism is arranged outside the rotating rod, and the stirring mechanism comprises a pair of stirring rods. The cooling device is simple and reasonable in structure, novel in design and easy and convenient to operate, effectively and rapidly cools and converts generated heat, and has high practical value.

The present invention relates to an emergency and critical care auxiliary teaching and training assessment device, belonging to the technical field of medical auxiliary assessment equipment. It comprises a base plate, the top of which is symmetrically provided with two groups of workstation mechanisms for assessment, the workstation mechanism comprises a desktop, the bottom of which is symmetrically fixedly connected with two support plates, and the two support plates are slidably connected to the top of the base plate. The present invention arranges a combined bed board on the desktop, which can form a storage space for storing medical dummies in a vertical storage state in conjunction with a support plate and a second baffle, without affecting the machine test; by flipping the combined bed board into a horizontal unfolded state, the two combined bed boards are close to form a complete bed board, the whole operation process is simple, and the use form can be quickly changed, and there is no need to prepare additional assessment locations, which improves the utilization rate of the site and makes the assessment process more efficient. At the same time, the whole bed board has good stability during use.

The invention provides a multi-layer illusion special effect resource generation method and device, equipment and a storage medium, and relates to the technical field of image processing. The method comprises the following steps: displaying a phantom multi-layer configuration interface; receiving a resource packet corresponding to each layer; carrying out blank area identification on the sequence frame image and the default static image of each image layer, calculating a uniform cuttable area, and carrying out cutting processing to obtain a target sequence frame image and a target static image of each image layer; based on a dragging operation of a user or an offset obtained by form input, adjusting the offset of the offset layer relative to the fixed layer, and outputting a target offset; and converting the target sequence frame images of each image layer into target animations in batches, exporting the target animations, generating a JSON configuration file, compressing and packaging the target animations, the target static images and the JSON configuration file, and generating a illusion special effect resource packet. And independent management of multi-layer resources, automatic identification and cutting of blank areas and accurate offset control of the layers are realized.

The invention discloses thread flattening machining equipment based on a baking finish line and a machining method of the thread flattening machining equipment, and relates to the field of thread rolling machines. The thread rolling machine comprises a main support, a thread rolling machine body and an auxiliary support, two sets of thread rolling wheels are arranged on one side of the thread rolling machine body, and a drying assembly is arranged on one side of the bottom of each thread rolling wheel. The drying machine on one side rapidly dries the fluff layers of the conveying belts, the instant drying treatment not only enhances the adsorption effect of the cleaning liquid, but also ensures the dryness of the surfaces of the conveying belts, so that secondary pollution of the workpieces is avoided, and finally, when the workpieces are conveyed away from the first conveying belt and fall into the bearing frame below through the feeding plate, the workpieces are conveyed to the second conveying belt. The cleaning liquid residue on the surface of the workpiece is greatly reduced, the burden of the subsequent workpiece drying process is remarkably reduced, the workpiece machining efficiency is greatly improved, and rapid and effective pre-drying treatment is achieved.

The invention discloses a vacuum glass vacuumizing production line and a vacuumizing process, and belongs to the technical field of vacuum glass processing. The vacuum glass vacuumizing production line comprises a transfer system, a conveying system and a heating furnace system, and further comprises a vacuumizing mechanism, the vacuumizing mechanism comprises an opening extracting assembly, a supporting assembly and a glass pressing assembly, and an opening extracting inner cavity which drives the glass pressing assembly to press glass and has pressure is formed in the opening extracting assembly; the transfer system comprises a vacuum chuck mechanism and a transfer mechanism, and the vacuum chuck mechanism is provided with a three-axis driving device and a vacuum chuck; the conveying system comprises a vacuum vehicle, the vacuum vehicle is provided with a product carrier, and the vacuum vehicle drives the vacuum glass to be machined at different machining stations on the production line. The transfer system, the conveying system, the heating furnace system and the vacuumizing mechanism are sequentially arranged in the machining direction of the vacuum glass production line, all the mechanisms are matched with one another, efficient and automatic production of the vacuum glass vacuumizing process is achieved, and the product quality and consistency are improved.

The utility model relates to fermentation tank technical field discloses grape wine impregnation fermentation tank, including the shell, the shell inner wall upside rotatory connection has the rotary frame, the rotary frame inner wall fixedly connected with bidirectional motor, bidirectional motor one side drive end links with the shell through the rotation subassembly for driving the pressboard rotation, bidirectional motor other side drive end links with the pressboard through the lifting subassembly and is connected to drive the pressboard to lift, the both ends of shell are fixedly connected with motor, and the motor drive end links with heating rod through the iteration subassembly and is connected to drive heating rod to lift repeatedly. In the utility model, the pressboard is driven to move down, and in the process of moving, the pressboard is driven to rotate, the grape skin dregs on the upside of liquid is pressed down effectively, makes grape skin dregs and grape juice more fully contact and mix, so that the grape wine obtains more rich color, more rich taste and more complex aroma, improves product quality.