528 results about "Pressure control system" patented technology

Embodiments relates to systems and methods to calculate a tire pressure scheme to be utilized by a tire of a vehicle during a trip, communicate a command to the tire pressure control apparatus, to adjust tire pressure of a tire based on the tire pressure scheme, detect a problem encountered in adjusting the tire pressure of the tire based on the tire pressure scheme, generate an alert regarding the problem via a driver assistance interface, and recommend an action to be taken to mitigate the problem.

The invention provides a servo press control system and method based on a time-sensitive network, and relates to the technical field of intelligent manufacturing and industrial automation control, and the system comprises a time-sensitive network TSN which is used for providing global time synchronization and deterministic data transmission; a main controller of the multi-axis servo control unit is used for issuing a motion control instruction and a feeding and discharging control instruction through a TSN. A robot controller in the robot feeding and discharging unit is used for driving an industrial robot to execute plate taking and placing operation under the action of the feeding and discharging control instruction. The visual monitoring unit comprises an industrial camera accessed to the TSN and is used for collecting images and transmitting image data to the edge computing node through the TSN; the edge computing node is used for processing the image data to generate a compensation instruction and feeding back the compensation instruction through the TSN; and the upper monitoring system is used for subscribing real-time data published by the edge computing nodes, so that the control range of the servo pressure control system is expanded, and the convenience of data transmission and interaction is improved.

The invention provides a pressure control system of an MOCVD (Metal Organic Chemical Vapor Deposition) reaction cavity and MOCVD epitaxial equipment, and the system comprises a cavity in which a reaction cavity is defined; the exhaust pipeline is communicated with the reaction cavity; the first pressure gauge is fixed on the cavity body, and the first pressure gauge is used for detecting the gas pressure in the reaction cavity; the exhaust valve is configured to control the exhaust flow through the opening degree of the valve; the vacuum pump is used for extracting gas in the reaction cavity; the mass flow controller is configured to be capable of detecting and controlling the flow of gas flowing into the reaction cavity; and the controller is configured to control the valve opening degree of the exhaust valve and / or control the gas inlet flow of the mass flow controller according to the gas pressure detected by the first pressure meter. According to the pressure control system of the MOCVD reaction chamber, the first pressure meter, the exhaust valve and the mass flow controller are arranged on the chamber body, and the gas pressure can be adjusted in real time, so that the product quality can be effectively improved.

The utility model discloses a backflow type icing wind tunnel capable of simulating a sand-containing ice crystal-containing environment, which belongs to the technical field of wind tunnels and comprises a wind tunnel body, a liquid particulate matter injection system, a solid particulate matter injection system, a phase change particulate matter injection system, a temperature control system, a pressure control system and a plurality of power systems. The wind tunnel body is sequentially provided with a stable section, a contraction section, a test section, a first expansion section and a second expansion section, and the liquid particulate matter injection system and the solid particulate matter injection system are both installed on the stable section. According to the backflow type icing wind tunnel capable of simulating the sand-containing and ice-crystal-containing environment, the content of sand and dust, the content of ice crystals and the content of liquid water in the wind tunnel body can be adjusted, and the temperature in the wind tunnel body can be adjusted, so that more complex weather can be simulated in the wind tunnel body, the accuracy of experimental data is ensured, and the experimental efficiency is improved. Therefore, the reliability and the safety of the aircraft in an extreme environment are improved, and the test efficiency is improved.

The invention discloses a hydraulic system sealing test bench and a sealing performance test method, and belongs to the technical field of sealing performance detection, the test bench comprises a vibration device, a pressure control system, a sealing element installation device, a flow adjusting system and a micro leakage detection unit; a to-be-tested sealing element is installed in the sealing element installation device to form a sealing cavity, and the sealing cavity is communicated with the pressure control system, the flow adjusting system and the hydraulic oil tank through pipelines to form a closed hydraulic loop. The vibration device is arranged on the outer side of the sealing element mounting device and used for applying vibration loads, the pressure control system is used for providing and adjusting hydraulic pressure in the sealing cavity, the flow adjusting system is used for controlling the flowing speed and flow of a hydraulic medium, and the micro-leakage detection unit is arranged below the sealing element mounting device and used for detecting leakage of the sealing cavity. The method has the advantages of being high in test condition controllability, high in leakage detection sensitivity, wide in adaptability and high in test result engineering guidance.

The utility model provides a screen mechanism for producing activated aluminum oxide through aluminum ash recovery, and relates to the technical field of aluminum ash recovery. A plurality of grates are arranged on the bracket, a plurality of division bars are arranged between every two adjacent grates, slotted holes are formed in the side walls of the grates and used for containing the ends of the division bars, an upper bag body and a lower bag body are arranged in the slotted holes in the peripheries of the ends of the division bars, and an upper pipeline and a lower pipeline are arranged in the grates and communicated with the upper bag body and the lower bag body respectively. The upper pipeline and the lower pipeline are respectively communicated with different pressure control systems, the pressure control systems control the liquid medium to enter and exit from the upper pipeline and the lower pipeline and control the pressure of the liquid medium in the upper pipeline and the lower pipeline, and each pressure control system comprises a heater which is used for heating the liquid medium and is controlled by an automatic temperature control system. According to the utility model, self-heating can be carried out to dry blocked or attached materials, and the materials are shaken off to realize self-cleaning.

The invention provides a balloon pressure control system and method and a computer readable storage medium. The balloon pressure control system comprises a pressing machine, a balloon, a balloon catheter and a pressure expansion pump. The balloon catheter comprises a medium cavity, an outlet of the medium cavity is located in the balloon, and the pressure expansion pump comprises a microprocessor and a pumping mechanism; the pumping mechanism comprises a liquid storage bag, a peristaltic pump and a first conveying pipe which are sequentially connected, the first conveying pipe is connected with the medium cavity, and a filling medium is stored in the liquid storage bag; the method is executed by a microprocessor and comprises the steps that when the microprocessor receives a pressing signal, a pumping mechanism is controlled to pump a filling medium into a balloon through a first conveying pipe by means of a peristaltic pump according to the initial filling speed and the preset filling time, so that balloon filling is completed; and when the release signal is received, the pumping mechanism is controlled to extract the filling medium in the balloon through the first conveying pipe by the peristaltic pump according to the initial release speed and the preset release time, so that the release of the balloon is completed.

The invention discloses a wafer transmission pressure control system and method, the system is applied to semiconductor process equipment, the system comprises a semiconductor process platform and process cavities, the semiconductor process platform comprises an equipment front-end module, a load locking cavity and a plurality of transmission cavities, the transmission cavities are used for sequentially transmitting wafers to each process cavity, and the equipment front-end module is connected with the load locking cavity. A control valve is arranged between the transmission cavity and the process cavity and used for controlling communication between the transmission cavity and the process cavity. Particle testing is carried out through the wafer transmission pressure control system, and the optimal pressure difference between the transmission cavity and the process cavity can be determined, so that the problem that by-products in the process cavity return to the transmission cavity through the transmission channel due to improper pressure and pressure difference between the transmission cavity and the process cavity can be solved; therefore, the use effect of the semiconductor process equipment is improved.

The invention relates to the technical field of ocean engineering, and discloses a barrel type foundation air floatation dynamic deviation correction installation method and system.The method comprises the following steps that real-time attitude information of a barrel type foundation is obtained; predicting external hydrodynamic disturbance acting on the bucket foundation; generating a cooperative control instruction based on the real-time attitude information and the predicted external hydrodynamic disturbance; and according to the cooperative control instruction, an internal dynamic torque compensation system is driven to offset high-frequency dynamic inclination caused by external hydrodynamic disturbance, and a partition air pressure control system is driven to correct static or low-frequency inclination of the bucket foundation. The self-adaptive model predictive control algorithm is applied, changes of system kinetic parameters can be identified online, the control model is updated in real time, the control strategy can be kept optimal all the time, and the defect that in the prior art, a fixed parameter controller is adopted, and system reliability is high is overcome. And in the sinking process of the barrel foundation, the control performance is sharply reduced or even fails due to the change of working conditions.

The invention discloses a triaxial acoustic emission test device and method for multi-field coupling rock microbial grouting. The triaxial acoustic emission test device comprises a core triaxial pressure chamber, a freezing and thawing temperature control system, a water pressure control system, an axial loading system, an acoustic emission detection system, a microbial grouting repair device and an assembly data acquisition and control system, the test sample temperature is controlled through the freeze-thaw temperature control system, the pore water pressure is applied through the water pressure control system, the mechanical load is applied through the axial loading system, the damage signal of the test sample is monitored in real time through the acoustic emission system, the test sample is prepared through the microorganism grouting repair device, and the assembly data acquisition and control system performs integrated control and synchronous data acquisition. The test method comprises the following steps: preparing and installing a microbial remediation rock sample, applying freeze-thaw cycle, pore water pressure and axial load in sequence or in a coupling manner, monitoring the whole process by using an acoustic emission technology, and finally comprehensively analyzing a damage evolution rule and a performance degradation mechanism of the sample under the action of multi-field coupling. The device can simulate a complex environment and evaluate the microbial grouting repair effect.

The invention discloses an intelligent preparation system and process for a composite antibacterial material with synergistic interaction of nanoparticles, and relates to the field of preparation of composite antibacterial materials. The raw material pretreatment module integrates a nano particle purification unit, a base material modification unit and an antibacterial agent dispersion unit, so that the purity and the dispersity are improved; the intelligent proportioning and mixing module consists of a five-channel metering pump, a dynamic mixer and a concentration monitoring device and is used for accurately controlling the component proportion; the reaction synthesis module comprises a constant-temperature reaction kettle, a pressure control system and an inert gas protection unit, and stable reaction is guaranteed; the performance online detection module is used for testing the antibacterial property, the mechanical property and the microstructure; the intelligent regulation and control module optimizes process parameters through an algorithm; the product post-processing module comprises a filtering unit, a drying unit and a sterile packaging unit to ensure the product quality. The antibacterial performance and stability are improved, the antibacterial aging is prolonged, energy consumption is reduced, efficient, green and intelligent preparation of the composite antibacterial material is achieved, and industrial technology upgrading is promoted.

The invention discloses an inner protective gas pressure control system and method for stainless steel pipeline welding, and relates to the technical field of welding process.The inner protective gas pressure control system comprises a data collection module used for collecting the welding angle, the welding time, the weld reinforcement and real-time air pressure parameters in the welding process; the historical modeling module is used for receiving and analyzing the welding process parameter data from the data collection module; the gas regulation control module is used for calling the gas pressure prediction model output by the historical modeling module and the collected current welding state data in real time; the feedforward and feedback fusion control module is used for outputting a disturbance prediction compensation value according to the target air pressure value; the fuzzy control module is used for generating a control correction signal for assisting air pressure adjustment; the self-learning optimization module is used for adjusting fitting parameters, disturbance evaluation strategies and fuzzy rule weights in the historical modeling module; according to the method, disturbance prediction correction can be carried out according to the welding angle change trend and the weld reinforcement error in the welding process.

The invention belongs to the technical field of pulse dust removers, and particularly relates to an intelligent pulse dust remover and a control method. The control method comprises the following parts and steps: S1, monitoring the dust emission concentration in real time through a dust concentration detection sensor, and controlling a system to correspondingly and automatically increase and decrease the rotating speed of a frequency conversion fan and the opening degree of an automatic air regulating valve according to the increase and decrease of the dust concentration; s2, dust is discharged through a frequency conversion fan after being filtered; s3, the resistance of the filter bag is monitored in real time through a pressure difference sensor, when the pressure difference reaches an ash removal threshold value, a control system is started for pulse ash removal, and the injection pressure is dynamically adjusted by adjusting an electric pressure adjusting valve according to the set pressure difference change rate; and S4, the control system automatically controls opening and closing of the star-shaped discharging valve. The system has the advantages of dynamic ash removal control, dynamic working condition adjustment, low operation energy consumption and the like.

The invention discloses a high-pressure injection system and method. The high-pressure injection system comprises an equipment body, an injection propelling device, a needle cylinder pipeline suite, a medicine bottle replacing device, a bubble induction sensor, a gravity sensor, a pressure sensor and a control system, wherein the injection propelling device, the needle cylinder pipeline suite, the medicine bottle replacing device, the bubble induction sensor, the gravity sensor and the pressure sensor are installed on the equipment body; wherein the medicine bottle replacing device is used for containing and automatically replacing medicine bottles; the needle cylinder pipeline suite is communicated with the needle cylinder pipeline suite through a puncture outfit, and can selectively suck liquid medicine and continuously inject multiple patients; the injection propulsion device drives a needle cylinder piston to realize precise injection; the bubble induction sensor, the gravity sensor and the pressure sensor are respectively used for monitoring pipeline bubbles, medicine bottle weight and needle cylinder pressure in real time; the control system coordinates all the components, and full-automatic execution of medicine bottle replacement, medicine liquid extraction, pipeline exhaust and injection control operation is achieved. Full automation of the injection preparation process is achieved, the radiography examination efficiency is remarkably improved, the labor intensity of medical workers is reduced, and the safety and accuracy of the injection process are ensured.

The invention discloses a pressurizing oxygen cabin pressure control method which comprises the following control steps: after an oxygen cabin door is completely closed, a compressor in a pressure control system is started along with linkage control to implement a pressurizing mode in an oxygen cabin body; in the process of pressurizing the inside of the oxygen cabin, three paths of electric ball valves in the air circulation system are started according to three pressure gears set and monitored by an oxygen cabin pressure control system to open the corresponding electric ball valves to release pressure; and when the pressure in the oxygen cabin exceeds the pressure gear in the set three-gear pressure, the corresponding gear electric ball valve is automatically started and opened to execute the pressure relief task, so that the oxygen cabin pressure in the oxygen cabin is kept in a safe and effective pressure level interval, the pressure control in the oxygen cabin is simple, convenient and effective, and the pressure control cost is low.

The invention relates to a self-adaptive engine double-duct flow test device, which comprises an air supply system A used for providing air flow in a simulated engine duct and passing through a front fan, and a duct test section C used for simulating an inner duct, an outer duct and an adjusting structure of a double-duct fan engine and carrying out a flow test between the ducts, the total pressure control system B is arranged between the air supply system A and the duct test section C; a flow matching and adjusting simulation method between the double ducts is provided, the motion law of the valve is continuously adjusted and dispersed into a plurality of steady-state working conditions for test measurement, or the motion process of the valve is dynamically measured, so that various test requirements are met. According to the invention, the flow area of the duct throat part is continuously adjustable, and the duct throat part is cooperatively matched with a duct inlet total pressure control system, so that the stability of the inlet condition of a test section is ensured, and meanwhile, the flow characteristics among multiple ducts under various different matching and adjusting working conditions are successfully reproduced; and important support is provided for deeply exploring a coupling mechanism and a flow evolution rule between the ducts.

Devices and methods for treating obesity are provided. More particularly, intragastric devices and devices for inflating and methods of fabricating, deploying, inflating, monitoring, and retrieving the same are provided.

The invention discloses a gas constant pressure specific heat capacity measuring device. Belongs to the technical field of measurement. The gas constant pressure specific heat capacity measuring device comprises a gas source, a recovery gas tank, a gas pipeline, and a calorimeter, a pressure control system, a vacuum pump and a mass flow meter which are communicated through the gas pipeline, wherein the vacuum pump is configured to be connected with the gas source and the recovery gas tank; the calorimeter comprises a vacuum cavity, and a first temperature sensor, a second temperature sensor, a heater and a heating device which are located in the vacuum cavity, and the first temperature sensor, the heater and the second temperature sensor are sequentially connected to a gas pipeline in series according to the gas flow direction and located in the heating device; and the gas pipeline is made of a nickel-based high-temperature alloy material. Therefore, constant pressure specific heat measurement of high-temperature gas of about 800 DEG C can be realized, high-precision temperature measurement and temperature control technologies are adopted, the measurement precision can be improved, and the application range is wide.

A pressure control system according to a fifth embodiment of the present invention comprises: a liquefied carbon dioxide storage tank (110) for storing liquefied carbon dioxide; a pressure discharge unit (160) for preventing damage to the liquefied carbon dioxide storage tank (110) due to excessive pressure caused by boil-off gas inside the liquefied carbon dioxide storage tank (110); and a gas supply unit (190) for supplying, to an air lubrication system (ALS) or a ballast water treatment system (BWTS), the vaporized carbon dioxide having passed through the pressure discharge unit (160), and thus the boil-off gas is to be utilized in many ways in a ship.

The invention discloses a welding experiment system for simulating the Antarctic inland environment and a welding atmosphere control method of the welding experiment system. The welding experiment system is provided with an experiment module, a fresh air system used for managing gas components in the module and controlling humidity, a low-temperature control system used for establishing and maintaining a low-temperature environment in the module through a low-temperature medium, a discharging system used for safely discharging the low-temperature medium, and a low-pressure control system used for establishing and maintaining a low-pressure environment in the module. And a monitoring system. The monitoring system carries out feedforward prediction and rolling optimization based on an MPC algorithm, a mathematical model of the experiment module and real-time environment parameters in the module, so that the temperature, the air pressure and the gas components in the module are kept constant. According to the invention, a welding experiment in a low-temperature and low-pressure environment in the South Pole inland can be simulated, the technical problem that multiple environmental parameters in a closed cabin are difficult to keep constant in a dynamic welding process is solved, and a high-reliability platform is provided for polar region welding process research.

The invention relates to the technical field of detection devices, and discloses a graphene thermal insulation material pressure test detection device which comprises a rack, a liquid detection station, a collection station, a temperature change detection station and a fatigue test station are sequentially arranged on the rack in the clockwise direction, and a liftable detection frame and a movable carrying table are installed on the rack. A directional guide system, a pressure control system driven by a first air pump and a rotatable rotating station frame are mounted on the detection frame, a group of mounting parts are mounted on the rotating station frame, each mounting part comprises a joint vibration assembly, a vibration frame capable of reciprocating up and down and a rotatable hanging shaft are mounted on the joint vibration assembly in a transmission manner, and the hanging shaft is rotatably mounted on the vibration frame. The bottom end of the hanging shaft is clamped and magnetically attracted with a hanging frame, and a detection box is installed on the hanging frame. According to the device and the method, the performances of corrosion resistance, temperature change resistance, fatigue resistance, microstructure, surface performance and the like of the graphene thermal insulation material can be detected on the same device.

The utility model discloses a multi-stage distillation energy-saving device for Luzhou-flavor liquor, which comprises a distillation retort, a plurality of distillation steam outlets are arranged at the upper end of the distillation retort side by side, a master controller is mounted on the distillation retort, and the master controller is electrically connected with a pressure control system and a temperature control system. The pressure control system is used for adjusting the pressure intensity in the distillation retort during distillation, the temperature control system is used for monitoring the temperature in the distillation process and adjusting the heating power so as to extract different flavor substances, and the multiple distillation steam outlets are connected with condensation assemblies through heat dissipation pipes. A plurality of distillation steam outlets are formed in the condensation assembly, valves are arranged on the distillation steam outlets, a collection tank is arranged on one side of the condensation assembly, a liquid taking opening is formed in the collection tank, and the liquid taking opening is connected with an inspection machine used for detecting flavor substances.

The invention relates to a test device and method capable of testing mechanical properties of hydrophilic and hydrophobic unsaturated soil, the test device comprises a pressure chamber, the pressure chamber is located at the center position of the whole device, an axial loading system is located below the pressure chamber, and the axial loading system is connected with the pressure chamber through a loading frame; the axial loading system is connected with the information acquisition system; the pneumatic control system is positioned on the side of the pressure chamber and connected with the pressure chamber through a pipeline; the data acquisition system is positioned beside the console or the computer and is connected with the sensor at each unit; the data processing system is connected with the air pressure control system and the back pressure control system, and the data processing system is connected with the axial loading system; the sample is positioned in the center of the pressure chamber; the hydrophobic soil suction control unit and the hydrophilic suction control unit are located at the upper end and the lower end of the sample, make close contact with the sample, ensure uniform pressure transmission and are connected with the air pressure control system through pipelines. According to the invention, the accuracy and wide applicability of the mechanical property test of the unsaturated soil are improved.

The invention relates to the technical field of coal mine overlying strata separation layer grouting and filling mining, and particularly discloses an overlying strata separation layer grouting and filling mining underground grouting drilling construction method and a grouting system.The grouting system comprises a ground slurrying system, a slurry conveying drilling hole, an underground grouting pool, a high-pressure plunger pump, a directional drilling structure and a grouting pressure control system; slurry is prepared on the ground surface, and the slurry is pumped to an underground grouting pool through a slurry conveying drill hole; a high-pressure plunger pump is used for injecting slurry into the overlying strata separation layer through a directional drilling structure; the construction of the underground directional grouting drilling is carried out before the working face is mined, the track of the underground directional grouting drilling comprises a trepanning linear section, a pitching-up section, a linear section, a pitching-down section and an open hole section which are connected in sequence, upward penetrating and downward penetrating of a grouting key layer bottom plate are achieved, and a final hole is located below the key layer bottom plate by 5 m. The problem that ground drilling construction cannot be carried out under the complex terrain is solved, and the method has the advantages of being low in investment, high in efficiency and capable of releasing pressing and covering coal resources.

The invention discloses an air pressure control system and a test system thereof.The air pressure control system is composed of an air control stop valve, a pressurization module, a low-pressure test module and at least one high-pressure test module and comprises a nitrogen inlet, the nitrogen inlet is communicated with a low-pressure test port through a first pipeline, and the first pipeline is communicated with the low-pressure test port in the direction from the nitrogen inlet to the low-pressure test port; the first pipeline is sequentially provided with a pneumatic control stop valve and a low-pressure test module; a first inlet of the pressurization module is connected with a compressed air inlet, a first branch pipeline is arranged between the pneumatic control stop valve and the low-pressure test module and connected with a second inlet of the pressurization module, and an outlet of the pressurization module is connected with the high-pressure test port through at least one second pipeline. And each second pipeline corresponds to one high-pressure test port and is provided with a high-pressure test module. The air pressure control system provided by the invention can measure a plurality of pressure grades, is high in test efficiency, and has the advantages of reliable function and long service life.

The invention discloses a double-throttling synchronous fine pressure control system and method with an active sand discharging function, and relates to the technical field of fine pressure control well drilling, the double-throttling synchronous fine pressure control system comprises a split-flow filter which is provided with an inlet, a first outlet, a second outlet and a third outlet; filter screens are arranged on the shunting filter corresponding to the outlet II and the outlet III; a sand containing cavity is formed in the active sand discharging pipeline assembly, and an inlet of the sand containing cavity communicates with the first outlet of the flow dividing filter; a sand discharging valve is mounted on the active sand discharging pipeline assembly; inlets of the main throttling pipeline assembly and the slave throttling pipeline assembly are communicated with an outlet II and an outlet III of the shunt filter in a one-to-one correspondence manner; the control system is electrically connected with the sand discharging valve, the main throttling pipeline assembly and the auxiliary throttling pipeline assembly. The problem of pressure control from the minimum flow to the maximum flow under the global flow is solved, pressure fluctuation caused by blockage of large-particle rock debris is avoided, the stability and reliability of bottom hole pressure control are improved, and the drilling efficiency is greatly improved.

This invention relates to the field of oil and gas field development, and discloses a full-scale DAS (Digital Angiography and Semiconductor) device and method for monitoring the integrity of hydrate development wellbore. The device includes a formation simulation device, a wellbore simulation device, and a monitoring device. The formation simulation device comprises a temperature control system, a pressure control system, and a simulated formation. The temperature control system, pressure control system, and simulated formation are connected to the wellbore simulation device. The temperature control system and pressure control system are used to simulate the actual temperature and pressure of the hydrate formation. The simulated formation is prepared according to the actual mineral composition and grain size distribution of the hydrate reservoir. The monitoring device is located outside the wellbore simulation device and works in conjunction with the formation simulation device to perform real-time, full-well-section monitoring during hydrate development. This invention can simulate real wellbore conditions and perform real-time, continuous monitoring of the entire wellbore to meet the needs of dynamic downhole monitoring in actual production.

The invention belongs to the technical field of printing and packaging, and provides an automatic negative pressure control system and an implementation method thereof.The automatic negative pressure control system comprises a main air pipe exhaust isolating valve, a main air pipe exhaust fan, a main exhaust pipe negative pressure sensor, a main exhaust pipe VOC exhaust concentration sensor, a plurality of color cell modules and a PLC negative pressure automatic control subsystem; each color cell module comprises a printing machine equipment drying oven, a fresh air valve, an electric heating box, a drying oven fan, a color cell VOC return air concentration sensor, a self-circulation return air valve, a color cell exhaust valve and a color cell negative pressure sensor; according to the invention, through the arrangement of the pressure sensor, the VOC concentration sensor and the PLC negative pressure automatic control subsystem, VOC concentration detection and VOC concentration automatic closed-loop control are realized, and each control point can be independently and automatically controlled.

The invention discloses a hydrogen storage tank pressure control system of a hydrogen production, hydrogen storage and power generation closed-loop system, and relates to the technical field of hydrogen production, hydrogen storage and power generation, and the hydrogen storage tank pressure control system comprises a pressure data acquisition module which is used for acquiring internal pressure data of a hydrogen storage tank so as to monitor the internal pressure data change of the hydrogen storage tank in real time; the hydrogen output line is used for outputting hydrogen in the hydrogen storage tank, the hydrogen input line is used for inputting hydrogen into the hydrogen storage tank, the control execution module is used for controlling in and out of the hydrogen in the hydrogen storage tank, and the compression module is used for compressing the hydrogen in the hydrogen input line and increasing the pressure. The hydrogen flow rate monitoring module is used for monitoring the flow rate of hydrogen in the hydrogen output line and monitoring the flow rate of hydrogen in the hydrogen input line. The execution module and the compression module are controlled based on the stepped control model, so that the hydrogen flow rate in the hydrogen output line and the hydrogen flow rate in the hydrogen input line are changed until the pressure in the hydrogen storage tank is balanced.

The utility model provides a pressure regulation control system for a riser of a coke oven. The pressure regulation control system comprises a PLC (Programmable Logic Controller) system, a remote monitoring system, a remote IO (Input / Output) system and a riser opening and closing regulation system, the PLC system is used for controlling the opening degree of a turning plate of the whole turning plate pressure regulating control system and changing the area of a channel of the raw gas guided into the gas collecting pipe; the remote monitoring system is installed in a central control room; the remote IO system is used for collecting and transmitting information of the turning plate air cylinder on site and transmitting an executed control instruction; and the ascending pipe opening and closing adjusting system is used for receiving information of the PLC system to open and close a flap valve of an ascending pipe bridge pipe. According to the system, a cylinder, a valve positioner and other components are arranged on a mechanical water seal flap valve, a PLC system is used for controlling the opening degree of a flap, the area of raw gas guided into a gas collecting pipe channel is changed, and the purpose of adjusting the bottom pressure of a carbonization chamber is achieved by adjusting the guided-out amount of the raw gas.