30results about How to "Uniform control" patented technology

The invention discloses an automatic mixing and conveying device for premixed light flow-state solidified soil, and relates to the technical field of preparation of flow-state solidified soil, the automatic mixing and conveying device for premixed light flow-state solidified soil comprises a mixing system, a conveying system and a control system; the mixing system comprises a mixing bin, a soil feeding module, a water inlet device, a curing agent feeding module, an additive adding module and a stirring device; the conveying system comprises a pre-storage bin and a pumping device; the mixing system is used for mixing quantitative soil, water, a curing agent and an additive to prepare light flow-state solidified soil, the light flow-state solidified soil is conveyed to the pre-storage bin, and the pumping device is used for pumping the light flow-state solidified soil in the pre-storage bin to a designated position for construction. The whole preparation process and the pumping process of the light flow state solidified soil are both achieved through a control system, accurate control over the material mixing amount and uniform mixing of a mixture can be achieved, and the preparation efficiency and the construction quality of the light flow state solidified soil are improved.

The invention relates to the technical field of high-voltage cascade energy storage systems, and discloses a high-voltage cascade energy storage system based on nested power modules and a control method thereof.The high-voltage cascade energy storage system comprises three phases of chain type energy storage bridge arms connected with three phase lines of a power grid respectively, and each phase of chain type energy storage bridge arm comprises a plurality of cascaded nested power modules; each nested power module comprises a plurality of direct-current chain type energy storage units and an H-bridge circuit, the plurality of direct-current chain type energy storage units are connected in parallel and then are connected with the direct-current side of the H-bridge circuit, and the alternating-current side of the H-bridge circuit is connected with an alternating-current switch; the direct current chain type energy storage unit comprises a plurality of energy storage modules, an electric reactor and a direct current switch, the plurality of energy storage modules are cascaded and then are sequentially connected with the electric reactor and the direct current switch, each energy storage module comprises a battery pack and a half-bridge circuit connected with the battery pack, and the half-bridge circuit is used for charge state balance control of the battery pack. According to the invention, any battery pack can be bypassed after a fault, and the operation reliability of the high-voltage cascade energy storage system is improved.

The invention provides a salt-melting pre-coated ore particle suspension roasting system and method for clay type lithium ore, and belongs to the field of lithium ore smelting and extraction. The system comprises a mixer, a preheating furnace, a dispersion dryer, a first cyclone separator, a cyclone preheater, a suspension roaster, a second cyclone separator, a cyclone cooler, an air cooler, a cloth bag or an electric precipitator, a tail gas treatment device, an induced draft fan, a first spiral feeder and a second spiral feeder. The method comprises the following steps: uniformly stirring and mixing clay type lithium ore powder with mixed salt of alkali metal sulfate and nitrate; preheating at the temperature of 300-400 DEG C to obtain salt melting pre-coated mineral powder; the method comprises the following steps: dispersing and drying mineral powder, feeding into a cyclone preheater, preheating at 500-600 DEG C, feeding into a suspension roaster, and performing suspension roasting at 600-700 DEG C; and after gas-solid separation, cooling to obtain roasted clinker. According to the method, the advantages of salt-adding roasting of the clay type lithium ore can be played, suspension fluidized roasting after salt mixing of the lithium ore can be achieved, and efficient selective leaching of low-grade lithium in the clay lithium ore is facilitated.

The invention discloses a battery equalization control method, device and system and a power battery system. The battery equalization control method comprises the following steps: acquiring electric quantity information corresponding to each battery pack; according to the electric quantity information of the battery packs, the electric quantity information difference between the battery packs is determined; based on the electric quantity information difference and a preset electric quantity threshold value, determining a to-be-balanced target battery pack in each battery pack and a balance control parameter corresponding to the target battery pack; and carrying out electric quantity balance control on the target battery pack according to the balance control parameter, so that the electric quantity among the battery packs is balanced. According to the invention, the equalization control parameter corresponding to the electric quantity information difference between the battery packs can be matched based on the electric quantity information difference between the battery packs, rapid equalization control of the electric quantity between the battery packs can be realized under the condition of not increasing extra hardware configuration, the efficiency of battery equalization control is improved, and the requirement for rapid equalization of the battery under more complex and special working conditions is met.

The invention discloses a battery and a full-time equalization method and device thereof, and a controller, and the method comprises the steps: collecting the voltage of each single cell in the battery in real time when the battery is in a charging stage, and carrying out the equalization control of the single cells of the battery through voltage difference equalization if the voltages of all single cells in the battery meet a first equalization condition, and when the battery is in a standing stage after being fully charged, estimating the capacity of each single battery cell in the battery, and if the capacities of all the single battery cells in the battery meet a second equalization condition, performing equalization control on the single battery cells of the battery by using capacity difference equalization. Balancing control is carried out based on the voltage difference in the charging stage, and balancing control is carried out based on the capacity difference in the standing stage after full charging, so that the battery balancing effect is improved.

The invention discloses wet spinning carbon fiber precursor production line coagulating bath temperature control equipment which comprises a shell, a solid bath groove is formed in the upper end of the shell, a plurality of supporting frames are installed at the lower end of the shell, and a heat exchange cavity is formed in the shell; the temperature control mechanism comprises hollow plates which are symmetrically and fixedly connected to the inner walls of the two sides of the solid bath tank, a plurality of through openings are formed in the opposite sides of the two hollow plates, a connecting cylinder is fixedly connected to the left side of the shell, a columnar groove is formed in the lower end of the connecting cylinder, a first piston block capable of sliding up and down is arranged in the columnar groove, and a second piston block capable of sliding up and down is arranged in the first piston block. The inner top space of the columnar groove communicates with the interior of the hollow plate on the left side through a second one-way pipe, and the inner top space of the columnar groove communicates with the left space of the heat exchange cavity through a first one-way pipe. In the actual use process of the coagulating bath, the overall internal temperature uniformity is relatively good under the joint cooperation of the heat exchanger, the temperature control mechanism, the gas injection mechanism and other structures.

The invention discloses an abrasive particle jet flow polishing method based on simulation path optimization and sound wave control, and relates to the technical field of precision machining, the abrasive particle jet flow polishing method comprises the following steps: S1, placing a workpiece and preparing an abrasive particle-containing liquid medium; s2, machining parameters are set, and a scanning path is planned; and S3, a polishing process. According to the method, the workpiece three-dimensional model is subjected to surface discretization processing and divided into a plurality of point cloud grid areas, then the surface complexity of the workpiece three-dimensional model is calculated, the simulation point positions are dynamically distributed, the optimal focus separation amount curved surface is obtained through calculation based on the multiphase flow method according to the simulation point positions, and then the optimized laser scanning path is obtained according to the optimal focus separation amount curved surface. And then uniform suspension and precise control of the abrasive particles are achieved in combination with a phase-controlled sound wave array, the influence of the laser-induced cavitation polishing technology on the shape of the wall face of the workpiece on the cavitation pulsation process is fully considered, and the polishing quality and efficiency are remarkably improved.

The utility model belongs to the technical field of cable laying, and discloses a portable cable laying device, which comprises a central shaft steel pipe, a horizontal reinforcing rib, a positioning stirrup, a horizontal anti-falling steel bar, a vertical steel bar frame, a piston and a lifting ring structure, the anti-falling steel bars at the middle upper part are connected by adopting a welding connector mode so as to be detachable when a cable is placed, finally, a preformed hole with the diameter of 20mm is horizontally reserved at the top of the steel pipe to serve as a piston for placing a hanging ring, and the related steel bars are twisted steel bars with the diameter of 22; when the device is used for laying the cable in the tunnel, only one forklift is needed to be matched with 2-3 persons to complete the work, the operation is simple, convenient and more flexible, the labor and time consumption during manual laying can be greatly reduced, and the problems of cable damage and the like caused by improper traction force control during mechanical laying can be solved.

The DC-DC converter of the battery pack of the present invention includes a dual active bridge converter and an equalizer converter, both of which share a first half-bridge circuit, and also includes series-connected battery modules. The equalizer converter includes a filter inductor, a bidirectional switching circuit, and a diode circuit. The two ends of the diode circuit are respectively connected to the two ends of the series-connected battery modules. The midpoint of the diode circuit and one end of the bidirectional switching circuit are both connected to the same end of the filter inductor. The other end of the filter inductor is connected to the series midpoint of the series-connected battery modules. The other end of the bidirectional switching circuit is connected to the midpoint of the bridge arm of the first half-bridge circuit. The two ends of the first half-bridge circuit are respectively connected to the two ends of the diode circuit. The structure is simple, the number of converters is small, and the cost is saved while improving the utilization rate of the components. The control method of the DC-DC converter of the battery pack of the present invention realizes the control method of balanced power regulation between two series-connected battery modules.

The application provides a battery device, a UPS and an energy storage system. The battery device comprises: a main battery pack configured to provide or receive electric energy; at least one slave battery pack configured to provide or receive electric energy, the at least one slave battery pack comprising one or more first slave battery packs connected in series, the first slave battery pack being connected in series with the main battery pack, and the main battery pack and the first slave battery pack each comprising one or more battery cells connected in series; and a communication isolation module connected between the main battery pack and the slave battery pack. The battery device, the UPS and the energy storage system provided by the application can reasonably balance the battery cells in the battery device, and improve the performance and service life of the battery device.

This invention proposes a construction method for restoring the locking temperature during flash welding repair of damaged rails on existing railway lines, belonging to the field of railway rail maintenance. The method includes: determining the rail temperature and the length of the rail construction section; calculating the allowable stretching amount of the rail based on the rail temperature and the length of the rail construction section; performing over-stretching of the rail based on the allowable stretching amount; sawing the damaged rail, inserting a new rail, and performing flash welding; and restoring the straightness of the rail construction line. This invention's method for restoring the locking temperature during flash welding repair of damaged rails on existing railway lines ensures a uniform and consistent track locking temperature, effectively guaranteeing the control and uniformity of the rail temperature. It solves the problem of track instability caused by the inconsistency between the construction temperature and the track locking temperature during the replacement of damaged rail components, which leads to the breakdown of the track's resistance to rail expansion and directly affects the stability of the line and traffic safety.

The invention discloses a dehumidification system, relates to the field of bridge maintenance devices, and aims to improve the protection effect on a main cable and reduce the installation difficulty. The dehumidification system in the scheme comprises a main machine, air supply pipes and air inlet sealing covers, the main machine is communicated with the multiple air inlet sealing covers through the multiple air supply pipes, the main machine is used for being installed on a cross beam at the top of a bridge tower, and a cooler capable of generating dry air, a dehumidifier and a filter are arranged in the main machine. The air inlet sealing cover used for partially wrapping the main cable comprises two semicircular cylinders, and the two semicircular cylinders are in a circular tube shape after being encircled. According to the protection and dehumidification system for the main cable of the suspension bridge, the main cable is effectively protected, long-term stable operation of the system is ensured through a series of elaborately-designed key components and technical means, the safety of the bridge is improved, and the service life of the bridge is prolonged.

The application discloses a super capacitor module, comprising: a plurality of super capacitor units arranged in an array of multiple rows and multiple columns and connected in series through a connecting row; a voltage acquisition circuit connected with the super capacitor units one by one, used for respectively acquiring voltage information of each super capacitor unit; a sampling chip connected with the voltage acquisition circuit, used for sampling the voltage information of each super capacitor unit to obtain voltage sampling data; a health management module connected with the sampling chip, used for receiving the voltage sampling data; a plurality of voltage equalization control circuits connected with the super capacitor units one by one, and a control end of the voltage equalization control circuit being connected with the sampling chip. Under the synergistic effect of the pressure drop equalization structure and the hardware such as the voltage acquisition, voltage sampling, voltage equalization control and health management module, the equalization control and health management of the super capacitor module are realized, so that the super capacitor module can stably operate under a predetermined working condition, and the service life of the super capacitor module is prolonged.

The invention belongs to the technical field of food processing, and provides a spray drying system for soybean milk powder production, comprising: a feeding module for conveying soybean milk to a spray drying tower; the spraying module is used for atomizing the soybean milk into fine liquid drops; the drying module comprises a drying tower, and a heat exchange system is arranged in the drying tower and used for conducting hot air drying on the atomized soybean milk liquid drops; the separation module is used for separating the dried soybean milk powder from the hot air; the collecting module is used for collecting the dried soybean milk powder; the control system is used for controlling key parameters of the whole spray drying process, and the key parameters comprise temperature, humidity and pressure; by means of the integrated spray drying system, accurate control over key parameters in the soybean milk powder production process is achieved, the nutritional ingredients and flavor of soybean milk powder can be guaranteed by accurately controlling the temperature, humidity and pressure, and the efficiency and quality of products are improved.

The present invention discloses a fast SOC balancing control method for a cascaded H-bridge converter energy storage grid-connected system, which realizes inter-phase SOC balancing control by zero-sequence voltage injection. After the zero-sequence voltage is injected, the amplitude of the modulation wave corresponding to the maximum amplitude in the three-phase modulation wave is 1, so as to realize fast inter-phase SOC balancing control; the present invention also realizes intra-phase SOC balancing control by superimposing fundamental wave components. After superimposing fundamental wave components, the maximum amplitude in the modulation wave of each H-bridge unit is 1, so as to realize fast intra-phase SOC balancing control. The present invention realizes fast SOC balancing control of the cascaded energy storage grid-connected system through a control strategy, does not require additional hardware equipment, reduces system cost, and improves SOC balancing speed.

The present invention discloses a contactless wireless charging system for a robot astronaut, comprising a transmitter and a receiver. The transmitter is mounted on a charging platform of a spacecraft, and the receiver is mounted on an energy pack of a space robot; a battery management module is arranged on the energy pack to be connected to the receiver. The transmitter and the receiver exchange information through carrier communication, the inverter module of the receiver converts the DC power supply of the spacecraft bus into AC power, and the transmitting coil and the receiving coil complete the wireless and contactless transmission of electric energy through electromagnetic induction. The receiver is equipped with a battery management module to achieve high-precision charging and discharging and balanced control to ensure that the battery operates in a safe domain. During the charging process, no metal is directly exposed to the space environment, and the risks of short circuit, arcing, and mechanical interface jamming are completely eliminated, meeting the requirements of safety, stability, and adaptability to the space environment, realizing unmanned and intelligent stop-and-go charging and charge-and-go, and effectively improving the work efficiency of the robot astronaut.

The invention relates to an on-line repairing method of a lithium iron phosphate battery, which combines a battery management system for accurately acquiring the state information of a battery pack with a battery repairing technology, and puts forward to realize the balance between battery cells by repairing low-capacity battery cells. Different from the current active equalization and passive equalization limited by the short plate effect, the real-time repair equalization control method provided by the invention realizes equalization between the low-capacity battery cell and the high-capacity battery cell by supplementing the capacity of the low-capacity battery cell, so that the battery cruising ability is exerted to the greatest extent while the safe and reliable circulation of the battery is ensured, and the service life of the battery is prolonged. And the method is convenient and easy to implement and does not involve a complex circuit.

The utility model aims to provide the multi-temperature-zone heating device and the temperature control equipment, which can realize uniform temperature control and improve the temperature control precision, and are high in reliability and high in temperature regulation and control efficiency. The multi-temperature-zone heating device comprises a heating wire and a shell, the heating wire is arranged in the shell, semiconductor chilling plates are arranged on the two sides of the shell, one face of each semiconductor chilling plate is connected with a working zone of the shell through a heat conduction structure, and the other face of each semiconductor chilling plate is connected with a heat dissipation structure. Temperature acquisition units are arranged on the surfaces, close to the heating wire, of the heating wire and the two sets of semiconductor chilling plates, the three temperature acquisition units are connected with an acquisition control unit, and each temperature acquisition unit comprises at least one temperature sensor; the temperature control equipment comprises a working chamber and a plurality of multi-temperature-zone heating devices, wherein the plurality of multi-temperature-zone heating devices are uniformly distributed in the working chamber. The utility model is applied to the technical field of heating temperature control equipment.

The invention relates to the technical field of automatic control of special vehicles, in particular to a balance control circuit for parallel application of a battery pack of a special vehicle and a control method thereof, which can perform balance control on a plurality of parallel application power battery packs and improve the safety and reliability of the power battery packs. The circuit comprises a high-voltage bidirectional buck-boost power supply conversion device, a power battery pack and a high-voltage power distribution and safety protection device, and can realize pre-charge control and balance control of a plurality of power battery packs in a parallel working condition power-on or operation process and balance control of the power battery packs in a use process. According to the control method, based on the circuit, balance control over the multiple power battery packs is achieved, and grid-off and grid-connected control in the vehicle running process, power battery pack current-limiting output control in the dynamic process and power battery pack charging maintenance control in the dynamic process are carried out.

The invention discloses a silicon nitride ceramic substrate and a preparation method thereof, and a preparation method of tape casting slurry, and the preparation method of the tape casting slurry comprises the following steps: step 1, slurry preparation: adding an organic solvent into pretreated silicon nitride powder, mixing, then adding a sintering aid, a binder, a flexibilizer and a dispersant, and carrying out ball milling in a ball mill for 12-24 hours to obtain slurry; uniform and stable slurry is prepared; and step 2, tape casting. By optimizing the preparation method of the silicon nitride tape-casting slurry, the stability and dispersity of the slurry are improved, so that the quality of a tape-casting film is ensured, and silicon nitride powder is uniformly dispersed in the slurry by adopting a specific sintering aid, an organic solvent, a binding agent and a dispersing agent and controlling parameters such as stirring speed and ball-milling time in the preparation process, so that the silicon nitride tape-casting slurry is prepared. Consistency and stability are high, the casting thickness is easy to control, the drying system is simple, and the green body strength and toughness are high.

The utility model discloses a new energy battery tray end plate multistage water channel structure, which relates to the technical field of new energy battery trays and comprises a battery tray, secondary cooling pipelines and primary cooling pipelines, the longitudinal primary cooling pipelines are transversely and equidistantly arranged at the bottom of the battery tray, and the secondary cooling pipelines are transversely and equidistantly arranged at the bottom of the battery tray. A transverse liquid inlet and outlet pipeline is arranged at the bottom of the front side of the battery tray, the middle of the liquid inlet and outlet pipeline is divided into a liquid return cavity on the left side and a liquid feeding cavity on the right side through a middle partition plate, and the liquid feeding cavity is communicated with the front end of a first-stage cooling pipeline corresponding to the rear side of the liquid feeding cavity through an inlet hole formed in the rear side of the liquid inlet and outlet pipeline. The liquid return cavity is communicated with the front end of the primary cooling pipeline corresponding to the rear side of the liquid return cavity through an outlet hole formed in the rear side of the liquid inlet and outlet pipeline. According to the new energy battery tray end plate multi-stage water channel structure, the rear end face of a new energy battery pack can be cooled, the effect of more uniform temperature control is achieved, and the heat dissipation and cooling effect of the new energy battery pack is improved and optimized.

The invention relates to the technical field of heat pump control, and discloses a multi-heat-pump linkage control method, device and system and a storage medium, which are used for balance control of multiple heat pumps, meet the load requirement, start the heat pumps to operate in the optimal interval, improve the energy efficiency, reduce the energy consumption and reduce the cost. The multi-heat-pump linkage control method comprises the steps that the first actual starting number and multiple operation condition parameters of the heat pump centralized control system in the current adjusting period are obtained; determining the maximum conversion rate corresponding to each started heat pump in a preset heat pump performance monitoring table according to the plurality of operation condition parameters; a centralized control conversion rate reference value is determined according to the maximum conversion rates corresponding to the multiple heat pumps, and a target operation frequency interval corresponding to the centralized control conversion rate reference value is obtained; and performing linkage control on each heat pump in the heat pump centralized control system according to the plurality of operation condition parameters, the first actual starting number and the target operation frequency interval.

The invention relates to the technical field of MISFET on-resistance, and discloses a silicon carbide MOSFET on-resistance optimization method and device, and the method comprises the steps: continuously collecting the working environment and circuit performance data of a target MOSFET, generating working data, analyzing the performance safety of the MOSFET according to the working data, obtaining a performance safety feature, and carrying out the optimization of the on-resistance of a silicon carbide MOSFET on the basis of the performance safety feature. According to the method, the grid voltage adjustment characteristic and the cooling system adjustment characteristic which conform to the safety characteristic are analyzed and determined, the grid voltage and the cooling system of the target MOSFET are adjusted according to the adjustment characteristics, and on-resistance optimization is achieved. By optimizing the grid voltage and the cooling system, the on-resistance of the MOSFET is effectively reduced, in the optimization process, the electrical and thermal stability of the MOSFET is kept, and the on-resistance performance of the MOSFET is improved. The MOSFET is ensured to be in an optimal on-resistance optimization and loss control state by balancing grid voltage amplification and cooling system control, and the problem that in the prior art, when on-resistance optimization is carried out on the MOSFET, the balance degree of grid voltage and cooling control is insufficient to grasp is solved.

The application provides a photovoltaic direct-current grid-connected converter control method which considers power module current sharing and MPPT, encodes power modules in the direct-current grid-connected converter, sets initial values of duty cycle and other control parameters, samples photovoltaic array state information, determines a duty cycle disturbance direction, calculates a photovoltaic array power disturbance increment, determines a duty cycle disturbance increment, determines the number of power modules which are disturbed according to power module current information, updates the duty cycle of the disturbed power modules according to the number of the disturbed modules and the disturbance increment, and controls the turn-on and turn-off of the switch tube according to the power module duty cycle modulation signal. The method controls the maximum power tracking and the power module current sharing simultaneously, omits the current closed-loop control link, and can realize current sharing of any multiple power modules.

The utility model discloses a bidirectional silicon controlled rectifier with a symmetrical longitudinal structure, which comprises an N-type silicon substrate, the N-type silicon substrate comprises an N-type silicon substrate front surface and an N-type silicon substrate back surface, and the N-type silicon substrate front surface and the N-type silicon substrate back surface are symmetrically provided with a front surface P-type short base region and a back surface P-type short base region. A front voltage dividing ring is arranged on the outer side of the front P-type short base region, a back voltage dividing ring is arranged on the outer side of the back P-type short base region, and the front voltage dividing ring and the back voltage dividing ring are symmetrically arranged on the front side of the N-type silicon substrate and the back side of the N-type silicon substrate relative to the N-type silicon substrate; according to the utility model, the structure is simple, the design is reasonable, forward off-state voltage is borne by the front P-type short base region and the front voltage dividing ring, reverse off-state voltage is borne by the back P-type short base region and the back voltage dividing ring, the voltage is completely symmetrical, a punch-through structure is not needed, and the production efficiency can be greatly improved.

The invention discloses an energy storage battery equalization control method, an energy storage system and a computer storage medium. The energy storage battery equalization control method comprises the following steps: acquiring historical charging and discharging working condition information of an energy storage battery; determining an equalization time adjustment coefficient of the energy storage battery in the charging and discharging period according to the historical charging and discharging working condition information; and performing equalization control on the energy storage battery according to the equalization time adjustment coefficient. By adopting the method, the starting time of equalization control in the whole operation cycle of the energy storage battery can be prolonged, and the equalization efficiency of the energy storage battery is improved.

This invention relates to a negative electrode-free lithium-ion battery and its preparation method. The preparation method includes: mixing and stirring a high-nickel ternary active material, a conductive agent, and a binder to fibrousize the binder, obtaining a mixed powder; hot-rolling the mixed powder to obtain a self-supporting electrode film; hot-pressing the self-supporting electrode film with a carbon-coated aluminum foil current collector to obtain a positive electrode sheet; lithiophilizing the copper foil current collector to obtain a negative electrode sheet with a lithiophilic gradient modification layer; stacking the positive electrode sheet, negative electrode sheet, and separator into a battery cell; injecting a prepared electrolyte; vacuum sealing and allowing it to stand to obtain a negative electrode-free lithium-ion battery. This preparation method constructs a low-torsion directional ion channel on the positive electrode side and simultaneously constructs a gradient-varying lithiophilic nucleation site on the negative electrode side, thereby achieving uniform control of the entire lithium-ion extraction-migration-deposition process.

The utility model relates to the field of chemical equipment, in particular to a novel anti-settling auxiliary stirring device for a synthetic fiber slurry mixing tank, which comprises the following components: a stirring shaft, stirring blades, an auxiliary stirring element, a plurality of telescopic stirring rods and a control system, the slurry is basically stirred through the stirring shaft arranged in the center of the mixing tank and the stirring blades fixed on the stirring shaft, so that the slurry basically flows and is mixed in the tank. In addition, the stirring effect is further enhanced through the arrangement of the auxiliary stirring element, when the stirring shaft rotates, the telescopic stirring rod stretches out through centrifugal force to stir slurry near the tank wall, the slurry is effectively prevented from settling near the tank wall, and the mixing efficiency of the slurry is improved; the tank wall can be scraped when the telescopic inner pipe moves up and down, so that the mixing effect and uniformity of the slurry are further improved.

An air inlet structure comprises an air inlet chamber arranged at the bottom of a combustion chamber, the air inlet chamber is provided with an air inlet hole, a flow guide part is placed above the air inlet hole, the flow guide part is of a porous structure, and the flow guide part corresponds to the bottom of the combustion chamber; the flow guide part is used for guiding the introduced nitrogen, so that the nitrogen introduced into the combustion chamber is uniformly discharged from the bottom, and the atmosphere in the whole combustion chamber is uniformly controlled; wherein the flow guide piece is of a porous structure, so that nitrogen can be effectively and uniformly discharged.

The present invention relates to a natural gas hydrogen blending device for uniformly distributing flow, comprising a square pipe, a partition structure and a flow equalizer; the square pipe is provided with a natural gas inlet and a hydrogen inlet, the natural gas inlet is arranged along the pipe axis, and the hydrogen inlet is arranged radially along the pipe side; a square grid-shaped partition structure is provided in the square pipe, and the partition structure divides the space in the square pipe into area one and area two; area one is divided into a plurality of mutually independent parts, and area two is a connected whole; area two is divided into area three and area four, wherein the square grid at the node of the square grid of the partition structure is area four, and the square at the four sides of area four is area three; a flow equalizer is provided in the hydrogen channel, and the flow equalizer comprises a gradually converging and expanding pipe, a contraction spring and a fluid marble. The beneficial effects of the present invention are as follows: the present invention provides a partition structure in the pipe, disperses the two fluids into small tributaries, and arranges the tributaries of different gas types in sequence, so as to achieve rapid and uniform mixing.