36results about How to "Accurate flow" patented technology

The invention provides an electric power multi-modal data hierarchical routing feature processing and fusion method and system, and relates to the technical field of electric power multi-modal data process.The method comprises the steps that multi-modal data are obtained and preprocessed; performing feature extraction on the preprocessed multi-modal data; selecting the most suitable expert model through a hybrid expert model, and carrying out feature extraction on the preprocessed multi-modal data; performing feature alignment and fusion on features of different modes after feature extraction; aligning the features of each modal with the features of other modals through a cross-modal attention mechanism, and fusing the features of other modals during alignment to obtain middle-level features of the corresponding modals; and carrying out weighted fusion on the middle-level features of each mode to obtain a fused global feature. According to the invention, efficient processing and fusion of multi-modal data can be realized.

The invention relates to a spray combustion test device for metal-based gel fuel. The spray combustion test device comprises a combustion unit, a gel supply unit, a premixing gas unit, a fluidizing gas unit, a cooling unit and a data acquisition unit, the combustion unit comprises a furnace body, a spray generator and a combustion observation cover; the combustion observation cover and the furnace body are coaxially arranged in a mutually communicated mode, and the combustion observation cover is located on the upper side of the furnace body. The spray generator is connected with the bottom of the furnace body, and the spray generator and the furnace body coaxially extend into the furnace body; the gas premixing unit is connected with the furnace body; the gel supply unit and the fluidizing gas unit are respectively connected with the spray generator; the cooling unit is respectively connected with the spray generator and the data acquisition unit; and the data acquisition unit is connected with the combustion observation cover. Good atomization of gel can be achieved, flame morphology, smoke, spectrums and condensed phase particles are directly obtained, and high-temperature fuel gas heat tracing flow created by the device is closer to a high-temperature heat environment in an actual engine combustion chamber.

The invention relates to the field of water supply systems, and discloses an urban pipeline leakage monitoring system based on a DMA partition management technology, and the system comprises a data collection module which is used for collecting the data of a flowmeter, a pressure sensor and a hydrophone in a DMA partition; the data preprocessing module is used for preprocessing the data; the time sequence analysis module is used for performing seasonal and trend decomposition and nonlinear time sequence analysis on the preprocessed data; the leakage detection module is used for predicting and detecting leakage; the noise analyzing and positioning module is used for analyzing and determining the specific position of the leakage point of the pipe section through the noise data of the hydrophone; and the real-time prediction alarm module is used for processing data in real time and triggering alarm when leakage is detected. The system not only can predict a potential leakage event in advance, but also can quickly position and give an alarm when leakage occurs, so that the operation efficiency and safety of the water supply system are greatly improved.

The embodiment of the invention provides a cooling and heating all-in-one machine and a water purification system. The cooling and heating all-in-one machine comprises a purified water inlet and a water taking opening. The cold and hot all-in-one machine further comprises a cold water path, a normal-temperature water path, a flow-adjustable pumping device, a hot water path, a control device and a buffer device, wherein the cold water path is provided with a refrigerating device and is connected between the purified water inlet and the water intake; the normal-temperature water path is connected between the purified water inlet and the first water outlet; a water inlet of the flow-adjustable pumping device is connected to the purified water inlet, and the hot water path is connected between a water outlet of the flow-adjustable pumping device and the water intake; the control device is used for determining the output flow of the flow-adjustable pumping device and the heating power of the heating body according to the expected water taking temperature; the buffering device is connected to a water inlet of the flow-adjustable pumping device and used for storing or discharging purified water when the output flow is smaller than the preset input flow. The cold and hot all-in-one machine can be suitable for various water purifiers to output cold water, normal-temperature water and hot water.

The invention discloses a bipolar needle system suitable for steep pulse ablation. The bipolar needle system comprises a bipolar needle, a steep pulse generation module and a current monitoring module. The bipolar needle comprises a front-end electrode, a rear-end electrode, a wire, an insulating ring, an insulating supporting ring and a conductive connecting pipe, and the front end of the front-end electrode of the bipolar needle forms a needle tip of the bipolar needle. The front end of the bipolar needle insulating support ring is connected with the rear end of the bipolar needle front end electrode; the bipolar needle insulating ring and the bipolar needle rear-end electrode are both mounted outside the bipolar needle insulating support ring in a sleeving manner, the front end of the bipolar needle insulating ring is connected with the rear end of the bipolar needle front-end electrode, the rear end of the bipolar needle insulating ring is connected with the front end of the bipolar needle rear-end electrode, and the rear end of the bipolar needle rear-end electrode extends out of the bipolar needle insulating support ring. And the front end of the bipolar needle wire extends into the bipolar needle insulating support ring from the rear end of the bipolar needle insulating support ring and is connected with the rear end of the bipolar needle front-end electrode.

The utility model belongs to the technical field of flow control devices, and provides a laminar flow element and a mass flow controller, the laminar flow element comprises a sleeve, the sleeve comprises a first section and a second section which are arranged along a first direction, and the inner surface of the second section is provided with an internal thread; the plunger is arranged in the sleeve; the plunger comprises a third section and a fourth section which are arranged in the first direction, an annular laminar flow gap is defined by the third section and the first section, and the area of the cross section of the laminar flow gap is gradually decreased in the direction from the third section to the fourth section; at least one of the second section and the fourth section is provided with a channel, the channel extends in the first direction, the channel is communicated with the laminar flow gap, and the channel is communicated with the two ends of the sleeve in the first direction; and an external thread is arranged on the outer surface of the fourth section and is in threaded connection with the internal thread. According to the laminar flow element provided by the embodiment of the invention, the technical problem that the sleeve cannot be used after assembly errors are solved.

The invention belongs to the technical field, and discloses an asset full life cycle management system comprising a data acquisition module used for acquiring asset information data, asset economic data and external environment data; the data processing module is used for preprocessing and fusing the acquired asset information data, asset economic data and external environment data to obtain a comprehensive feature data set; the asset full-life-cycle prediction module is used for training according to the comprehensive feature data set to obtain an asset full-life-cycle prediction model, and predicting the asset state change rate through the asset full-life-cycle prediction model; the resource scheduling module is used for judging whether asset risk early warning information is generated or not according to the asset state change rate; if the asset risk early warning information is generated, a state change rate trend is extracted through statistical analysis, and resource allocation is dynamically adjusted based on the state change rate trend; the resources can flow to assets needing to be supported more accurately, and resource waste is avoided.

The invention relates to the technical field of tire processing, in particular to a tire material conveying device which comprises a conveying frame, an assembly line conveying belt is mounted on the conveying frame, a plurality of tire materials are placed on the assembly line conveying belt, a plurality of tire material temporary storage seats are arranged on an adjusting belt, and a fixing frame is fixedly connected to one side of a fixing seat. The tire material blocking mechanism is fixedly connected to the fixing frame, the poke rod is rotationally connected to the fixing frame, and the transmission mechanism is rotationally connected to the fixing frame. The tire materials can be pushed from the assembly line conveying belt to the tire material temporary storage seat for temporary storage through the poke rod, material accumulation in subsequent procedures can be avoided, a production line can be kept in normal operation, production halt caused by lagging of a part of procedures is avoided, production interruption can be avoided to the maximum extent, and the overall operation efficiency of the assembly line is improved.

This utility model discloses a tunnel fire-fighting foam liquid filling system, belonging to the field of fire-fighting equipment technology. It includes several fire boxes, a foam liquid filling vehicle, and a monitoring center. Both the fire boxes and the foam liquid filling vehicle are networked with the monitoring center to achieve data exchange. Specifically, each fire box contains a foam liquid storage tank and a first control device. The foam liquid storage tank is equipped with a first liquid level sensor, a solenoid valve, a variable frequency delivery pump, and a first flow meter. A flow regulating valve and a second flow meter are installed on the pressure water pipe. All components are connected to the first control device. The foam liquid filling vehicle contains a foam liquid storage tank, a variable frequency high-pressure pump, a battery, a third flow meter, and a second control device. Both the first and second control devices are connected to the monitoring center. This utility model provides a highly efficient, intelligent, and easy-to-maintain tunnel fire-fighting foam liquid filling system.

The utility model relates to the technical field of appliance cleaning, in particular to a material barrel cleaning device which comprises an outer frame body, a cleaning table plate, a supporting column used for supporting the cleaning table plate and a flow guide supporting column used for being communicated with an external drainage system, a plurality of spraying heads used for spraying cleaning water are arranged on the outer frame body in a sliding mode, and the spraying heads are arranged on the outer frame body in a sliding mode. Any spraying head is arranged above the cleaning table plate, the cleaning table plate inclines towards the upper right relative to the horizontal plane, a drainage hole is formed in the lower end of the left side of the cleaning table plate, the interior of the flow guide supporting column is communicated with the drainage hole to form a drainage channel, and the positions of the spraying heads can be adjusted according to needs in the using process; therefore, the material barrel is subjected to water spraying cleaning operation; sewage on the cleaning platform plate can quickly flow to the drainage holes under the action of gravity and then is discharged through the flow guide supporting columns, and compared with a traditional cleaning mode, the drainage efficiency is effectively improved, the situation that water is accumulated on the cleaning platform is reduced, and the possibility of secondary pollution of the material barrel is reduced.

The application discloses a building cross-subsystem data sharing and dynamic permission allocation method based on Internet of Things, and relates to the technical field of building cross-subsystem data processing. Specifically, the analysis of the analysis timeliness and analysis processing capacity of building cross-subsystem data in the sharing process is carried out, the analysis result is used as a benchmark to quantize the adaptation of permission allocation, the analysis capacity is adapted to dynamic load and permission decision, the data quality and communication state are matched, the timeliness and resource utilization efficiency of permission allocation in the building scene are balanced, and therefore, the accuracy of the permission allocation result is improved.

The invention discloses a mobile fire-fighting device for a photovoltaic booster station and a use method of the mobile fire-fighting device, and belongs to the technical field of photovoltaic booster station fire fighting. A mobile device for controlling a box body to move is arranged below the box body, and a fire-fighting bracket for placing fire-fighting equipment is arranged in the box body; a fixing mechanism used for fixing fire-fighting equipment is arranged at the bottom of the fire-fighting support, a second supporting plate is arranged between the bottom of the fire-fighting support and the fire-fighting equipment, a fixing plate is hinged to the outside of the fire-fighting support, a second spring is arranged between the fixing plate and the fire-fighting support, and a control rope is arranged between the fire-fighting support and the fixing plate. The fixing mechanism is automatically adjusted through gravity sensing, a second supporting plate is controlled to move downwards through the gravity of the fire-fighting equipment, then the fire-fighting equipment is clamped and fixed through a fixing plate under the action of a control rope and a second spring, and due to the design, the operation process is simplified, the fixing effect is improved, and the practicability is high. And the stability of fire-fighting equipment in the transportation and fire extinguishing process is ensured.

The invention relates to the technical field of data analysis, in particular to a user behavior burying point method and device, a medium and equipment, and the method comprises the steps: carrying out the data collection of different preset behaviors through a burying point collection SDK, obtaining the reporting state of a data reporting service module through a multi-round query and judgment mechanism based on a time dimension, the offline reporting mode is started according to different data reporting abnormal scenes, the online reporting mode is started according to different data reporting normal scenes, then targeted processing modes are adopted according to different cache state query results, and whether external conditions such as a network are normal or not, the data can be reported normally. According to the invention, the preset behavior data can be processed more flexibly and reasonably, smooth proceeding of the whole user behavior burying point data reporting process is ensured, it is ensured that the data can be efficiently and accurately transferred to subsequent links for analysis and application, and the integrity and continuity of user behavior data acquisition are improved.

The invention discloses a wide-working-condition and high-stability two-phase experiment circulating system and a testing method thereof, and relates to the field of electronic device heat management, and the experiment circulating system comprises a pumping unit, a flow control and pressure stabilization unit, a pressure control unit, a temperature control unit, a condensation unit and a data acquisition unit. According to the experimental system, a wide-working-condition and high-stability two-phase flow cycle test environment is realized through cooperation of the pumping unit and the flow control and pressure stabilization unit, the flow heat exchange performance of the two-phase flow heat exchanger at different inlet flows, supercooling degrees and dryness can be actually tested, and multi-dimensional data such as temperature, pressure and flow state of each key node in a loop can be monitored in real time; the comprehensive performance of the heat exchanger is completely reflected, and experimental basis and design reference are provided for operation of a two-phase flow cooling system of an electronic device and optimization design of the heat exchanger.

A perlite ore sand negative pressure feeding device, including, the upper end of the elevator is provided with a discharge pipeline, one side of the elevator is provided with a mound packaging platform, the hopper is located on the side away from the mound packaging platform of the elevator, the lower end of the hopper is connected with a first auger, the upper part of the hopper is provided with a bin top dust collector, the electric plug valve is connected between the hopper and the first auger, and the second auger is connected below the first auger.The point is that this way can not only ensure the stability and uniformity of the raw materials in the conveying process, but also reduce the loss and waste of raw materials, improve production efficiency and product quality, meet the strict requirements of modern production process on material quantitative and qualitative control, and form a dust suction negative pressure in the elevator and the hopper through the bin top dust collector.During the discharging process, dust will appear, and the dust is directly sucked away from the elevator and the hopper through the top dust collector, so that the outside is not dusty, and the hygiene degree of the process is improved.

The utility model discloses a liquid mixing device, relates to the technical field of medicine processing devices, and solves the problems that the mixing effect is poor, the activity of added components is damaged due to mechanical stirring and the like. Comprising a mixing pipeline, the mixing pipeline conveys at least two kinds of liquid, the mixing pipeline is connected with a mixer, the mixer comprises an outer pipe and a central shaft, the central shaft is arranged in the outer pipe, and the outer pipe is connected with the mixing pipeline to form communication; a plurality of stirring and mixing blocks are fixedly arranged on the central shaft in the axial direction of the central shaft, the stirring and mixing blocks protrude outwards in the radial direction of the central shaft, a preset distance is formed between every two adjacent stirring and mixing blocks, and a preset included angle is formed in the mounting direction of every two adjacent stirring and mixing blocks. By means of the uniform mixer, especially the stirring and mixing blocks which are arranged in a staggered mode, a strong turbulent flow effect can be generated when liquid flows through the uniform mixer, the liquid can be promoted to form complex vortexes and folds, collision and diffusion among liquid molecules are greatly improved, and therefore the mixing efficiency is improved.

The utility model discloses a device capable of adjusting the hardness of polystyrene foam, which comprises an air supply and supply pressurizing device, the air supply and supply pressurizing device is communicated with at least two charging buckets, heaters are arranged in the charging buckets, a stirrer is arranged in at least one charging bucket, the charging buckets are communicated with a mixing stirrer through a glue outlet pipeline, a metering pump is arranged on the glue outlet pipeline, and the charging buckets are communicated with the charging buckets through the metering pump. A glue return pipeline is arranged between the metering pump and the charging buckets, two ends of the glue return pipeline are respectively communicated with the glue outlet pipeline and the charging buckets, two ends of the metering pump are respectively provided with an inlet pressure detection meter and an outlet pressure detection meter, the two charging buckets are respectively filled with a component A and a component B, and accurate adjustment and control of the proportion of the component A and the component B are realized through the metering pump. And the pressure of the inlet pressure detection meter and the pressure of the outlet pressure detection meter are stable, so that the flow of the component A or the component B is more accurate.

The application discloses a knowledge-based temporal convolution neural network (KB-TGCN) blast furnace fault diagnosis method. The method can solve the space-time dependence and sample imbalance problem of the blast furnace ironmaking process. First, the calculated variables that can further reflect the process state are calculated by using the variables directly detected by the sensor. Then, the knowledge-based graph structure is constructed according to the spatial position and calculation relationship of the variables. Subsequently, a one-dimensional time information extraction module is embedded in the graph convolutional neural network. Therefore, the TGCN can capture time information while maintaining the original spatial relationship. By using the knowledge-based graph structure, the KB-TGCN can fully mine the spatial information of different blast furnace positions. In addition, the method uses a focal loss function with an adaptive balance factor instead of a traditional cross-entropy loss function to overcome the sample imbalance problem.

The invention provides a heating device based on water circulation, and belongs to the technical field of heating devices. Comprising a heater body; and the heat conduction assembly is used for guiding heat emitted by the heating machine body. By arranging the heating mechanism, power consumption is small, incrustation is not prone to being generated, heat efficiency is high, heat released by the heating device can be gathered by arranging the heat conduction assembly and the adjusting assembly, the released volume can be adjusted, the heat flow direction is accurate, power consumption is reduced, and the heating effect in the high cold or large room size state is improved; the clothes and shoes are placed in a matched mode and evenly dried, meanwhile, the clothes hanger can be taken conveniently when the clothes are hung, adverse consequences caused by the fact that drained water infects a heating device are avoided, the surrounding environment can be humidified in a draining and water adding mode, the situation that the human body is uncomfortable due to dryness is avoided, and in addition, through the detachable structural design, the clothes hanger is convenient to use. The detachable storage box can be detached and stored when not in use, so that space occupation or obstruction is avoided.

The invention discloses a call processing method and device, equipment, a storage medium and a program product, which are used for improving the execution effect of an outbound task so as to improve the service processing quality. The call processing method comprises the following steps: determining a first seat working state to which a first state machine is currently transferred, wherein the first state machine is used for executing transfer among different seat working states; in response to a first call event received in a target call process, transferring the first state machine from the first seat working state to a second seat working state based on the first call event; and executing a first call processing operation corresponding to the working state of the second seat.

The utility model relates to the technical field of conveying belt guide, especially a connecting plate for conveying belt guide, which comprises an arc-shaped guide plate, one end of the arc-shaped guide plate is provided with mounting plate one, the other end of the arc-shaped guide plate is connected with mounting plate two through a connecting block, mounting mechanism is arranged on mounting plate one and mounting plate two, the mounting mechanism comprises a base, a clamping plate and a spring, an opening is formed in the base, and a rubber column is further arranged between the two clamping plates. The utility model has the advantages of simple structure, convenient installation and disassembly, effective guiding of products on a wide conveying belt to a narrow conveying belt, effective solution to the problems of product deviation or irregular arrangement in the existing conveying process, stable and accurate flow of products in the conveying process, saving of the original guiding process and manual operation, reduction of the dependence on additional manpower, and significant reduction of production cost.

The embodiment of the invention provides an air conditioner, a control method and device of the air conditioner and a computer readable storage medium, the air conditioner comprises a compressor, a reversing valve, an indoor heat exchanger and a hot gas bypass branch, and the hot gas bypass branch is connected with an exhaust port of the compressor and the end, away from the reversing valve, of the indoor heat exchanger; a hot gas bypass electronic expansion valve is arranged on the hot gas bypass branch, and the air conditioner control method comprises the steps that in response to the situation that the air conditioner is in a refrigeration operation mode, whether the temperature difference between the indoor temperature and the set temperature is smaller than a first temperature difference threshold value or not is determined; and in response to the fact that the temperature difference between the indoor temperature and the set temperature is smaller than the first temperature difference threshold value, the hot gas bypass electronic expansion valve is controlled to be opened, and the opening degree of the hot gas bypass electronic expansion valve is controlled according to the superheat degree of the indoor heat exchanger, the indoor air outlet temperature and the rotating speed of an indoor fan.

The invention discloses an automobile electric water pump control method and system and electronic equipment. The method comprises the following steps that water pump rotating speeds corresponding to different temperatures of parts are determined; fitting a temperature-PWM duty ratio curve in the linear speed regulation interval, forming a linear control function by using the temperature-PWM duty ratio curve, and writing the linear control function into a vehicle control unit; and the vehicle control unit controls the rotating speed of the water pump according to the fitted linear control function. Linear control is conducted on the rotating speed of the electric water pump, the water pump can provide more accurate flow for parts, the parts can be made to be at the optimal working temperature, and energy consumption of the water pump is reduced.

The invention discloses a commodity purchase and distribution method and device based on a unified purchase and distribution mode, and a medium, belongs to the technical field of purchase management, and aims to solve the technical problems of high purchase cost, overstock and fund occupation in a traditional purchase and distribution mode. According to the technical scheme, the method comprises the steps of summarizing and analyzing monthly demand quantity of each subordinate department, formulating a preliminary purchase plan, namely monthly connection quantity, of the next month at the end of each month according to market supply, price fluctuation and inventory conditions, adjusting and obtaining corresponding supplement quantity according to actual conditions, and forming a monthly connection total quantity between the monthly connection quantity and the supplement quantity, automatically updating the total monthly connection amount to the purchase amount actually executed in the current month; making a personalized sales plan according to a civilized index distribution strategy and an average monthly prediction distribution strategy based on half-year prediction quantity; and the commodity distribution quantity is formulated by adopting a strategy of distributing the total quantity according to times and a strategy of distributing the residual quantity proportion, so that inventory overstock is avoided, and sufficient market supply is ensured.

An automatic drip coffee machine includes a water heater system including a high-temperature water boiler and a medium-temperature water boiler, and a drip system including drip nozzles to receive mixed hot water of a desired temperature according to high-temperature water heated by mixing the high-temperature water boiler and medium-temperature water heated by the medium-temperature water boiler, and drip nozzle transfer modules to respectively supply the mixed hot water to drippers while respectively transferring the drip nozzles in an X-axis direction and a Y-axis direction. The water heater system includes a water heater control unit to control the high-temperature water boiler and the medium-temperature water boiler, and the drip system includes user interface units to control the drip nozzles and the drip nozzle transfer modules, and a main control unit to control the water heater control unit and the user interface units.

The invention discloses an intelligent heat supply hydraulic balance regulation and control optimization method, and relates to the technical field of the thermal industry, the method adopts an optimization system to work, the system comprises a flow control module, a high-power heating module and a temperature monitoring module, the flow control module is used for controlling the flow of heat supply water in each detection position, and the high-power heating module is used for controlling the flow of heat supply water in each detection position; the temperature monitoring module is used for judging the pressure of a heating water pipeline according to the temperature and giving different heating water flow adjustment instructions, and the high-power heating module is used for estimating the heating water gas separation condition according to the high-power heating time of heating water. The flow control module comprises an electromagnetic throttle valve, a water pump and a heating water supply end, the high-power heating module comprises a heating device, a heating power setting module, a gas precipitation estimation module and a timing unit, and the temperature monitoring module comprises a temperature detection sensor and a data transmission module.

The utility model relates to the technical field of flow meters, in particular to a flow meter which comprises a main body, a flow path is arranged in the main body, a rotating piece is supported in the flow path and can rotate in the flow path when fluid passes through the flow path, a visible window is formed in the surface of the flow path, and the position of the visible window corresponds to that of the rotating piece. The flow meter is arranged on a section of cooling channel after fluid passes through the sealing structure, and when the fluid passes through the rotating piece and the rotating piece rotates, the fluid can be observed from the visible window, so that whether the fluid circulates in the cooling channel or not can be directly judged, and whether the fluid reaches the sealing structure or not can be intuitively judged according to the rotation of the rotating piece without reading.

The utility model relates to a liquid injection device, which relates to the technical field of battery manufacturing, and comprises a liquid injection main body, a liquid injection device and a liquid injection device, the elastic reset piece is connected with the liquid injection needle; the sealing assembly comprises a sealing cover and a sleeve arranged outside the liquid injection main body in a sleeving mode, the sleeve is provided with a liquid outlet, and the sealing cover is in linkage with the liquid injection needle through a connecting piece; during liquid injection, the liquid injection needle drives the connecting piece and the sealing cover to move, the liquid outlet is opened, and the sealing cover and the connecting piece form a flow guide blocking structure, so that liquid flowing out of the liquid injection needle flows out all around; and after finishing, the elastic reset piece drives the liquid injection needle to reset, and the sealing cover and the liquid outlet are closed to form sealing. By optimizing the design of the liquid injection needle and the sealing assembly, the electrolyte can be accurately guided to flow to a target area, splashing and dripping are prevented, and the corrosion risk of a battery assembly is reduced; the elastic reset piece achieves the automatic reset function, the production efficiency and the automation level are improved, meanwhile, the equipment cost is reduced, and the production process is simplified.

The utility model belongs to the technical field of bath solution steering, and particularly relates to a bath solution steering device which comprises a shed body, a silane liquid medicine box and a passivation liquid medicine box are arranged at one end of the shed body, a PLC is fixedly installed on the side wall of the shed body, a silane liquid medicine recycling box and a passivation liquid medicine recycling box are arranged below the shed body, and the PLC is fixedly installed on the side wall of the shed body. The bottom end of the shed body is fixedly sleeved with a liquid outlet pipe, and the shed body comprises a steering mechanism; the bottom end of the liquid outlet pipe is fixedly sleeved with a shell, a steering groove is formed in the shell, and sealing grooves are symmetrically formed in the inner wall of the steering groove. A servo motor is fixedly mounted on one side of the shell; in the using process, through the arrangement of the steering mechanism, quick and accurate switching of the flowing direction of tank liquid can be achieved, double-component liquid medicine isolation is achieved, it is ensured that silane liquid medicine and passivation liquid medicine can accurately flow to respective recycling boxes, it is ensured that liquid mixing does not occur in the production process, and the accuracy and reliability of tank liquid recycling are improved.

The energy-saving and environment-friendly vacuum injection molding structure comprises an injection device used for injecting molten materials, and the injection device comprises an injection material barrel, an injection screw arranged in the injection material barrel and a feeding mechanism for feeding the injection material barrel; the injection charging barrel comprises a melt feeding hole; the feeding mechanism comprises a melt blanking port communicated with the melt feeding port; a melt blanking port of the feeding mechanism and a melt feeding port of the injection charging barrel are arranged at an interval and form a vacuum cavity; and a vacuumizing mechanism communicated with the vacuum cavity is connected outside the vacuum cavity. The melt blanking port of the feeding mechanism and the melt feeding port of the injection charging barrel are arranged at an interval and form the vacuum cavity, so that melt falling from the melt blanking port has a certain distance when falling into the melt feeding port, and sufficient time is provided for air exhaust operation of the vacuumizing mechanism; impurities such as decomposed substance gas and moisture of the melt can be discharged more sufficiently; in the vacuum pumping process, decomposed substance gas, moisture and other impurities can be discharged, drying is not needed, and more energy is saved.