534results about "Boiler indication operations" patented technology

A system for analyzing a boiler fault and a diagnosis method, the system comprising: a sensor system, a data acquisition and analysis system, and an early warning system. The sensor system is used to monitor temperature, pressure, and water level indicators inside of a boiler and transmit data. The data acquisition and analysis system is used to acquire, count, and analyze the temperature, the pressure, and the water level inside of the boiler in real time. The data acquisition and analysis system comprises a data acquisition module and an intelligent algorithm module. The data acquisition module is used to acquire real-time temperature, pressure, and water level data inside of the boiler. The intelligent algorithm module is used to analyze and process data and to predict and diagnose an operation state of the boiler. The early warning system comprises an early warning module. The early warning module is used to receive a signal of a fault model and to send, on the basis of the signal, a first-stage early warning signal and second-stage early warning information. Thus, real-time monitoring and early warning of the operation state of the boiler is achieved, and problems are promptly discovered and measures can be taken, therefore normal operation of the boiler is guaranteed, and production safety is guaranteed.

The embodiment of the invention discloses a boiler anti-wear and anti-explosion online early warning system based on a sensor and big data, and relates to the technical field of boiler safety monitoring, and the system comprises a sensor module which collects operation parameters in a boiler in real time; the data acquisition module is used for summarizing various data acquired by the sensor module; the data processing module is used for carrying out processing, analysis and trend prediction on the collected real-time data through a big data analysis technology; the early warning module is used for evaluating the anti-abrasion and anti-explosion risk of the boiler according to the analysis result output by the data processing module and generating an alarm when a risk threshold value is exceeded; and the display and interaction module is used for displaying the boiler operation state, the risk assessment result and the early warning information to an operator. According to the invention, intelligent monitoring and risk early warning of boiler equipment can be realized, and through accurate data analysis and prediction, the operation safety of the boiler can be improved, the occurrence of safety accidents can be reduced, and the maintenance strategy of the boiler can be optimized.

The invention provides a cooking utensil superheated steam system and a temperature control method thereof, and relates to the technical field of steam cooking. The superheated steam system of the cooking utensil comprises the cooking utensil, a steam module, an ultrasonic heating module, a temperature monitoring module, a cooking data acquisition module, a data analysis module, a model prediction module, a display module, a dynamic adjustment heating strategy, a waste heat recovery module and a preheating box. Ultrasonic vibration is used for assisting heating, water molecules rapidly vibrate in a microwave field to generate heat, the waste heat recovery module captures heat generated in the cooking process through a heat exchanger and is used for preheating the next batch of food, the energy utilization efficiency is remarkably improved, energy waste and carbon emission are reduced, the heating strategy is dynamically adjusted, and the energy utilization rate is increased. According to the real-time sensor data and the prediction model, the heating power, the steam flow and the heating time parameters are automatically optimized, unnecessary energy consumption is avoided, and accurate temperature control and energy consumption optimization are achieved.

A molten salt heating direct-flow type wet saturated steam generation system, comprising an evaporation device, a molten salt conveying device, a preheating device, a softened water conveying device, and a dryness adjustment device. The evaporation device is provided with a first heat exchange pipeline and a second heat exchange pipeline; the molten salt conveying device comprises a molten salt conveying apparatus and a molten salt recovery apparatus; the preheating device is provided with a first preheating pipeline, and an outlet of the second heat exchange pipeline is connected to a steam output pipeline; and the dryness adjustment device comprises an adjustment member and a dryness measurement apparatus. According to the steam generation system provided by the present invention, the temperature of softened water and the temperature of molten salt can be adjusted to appropriate ranges, avoiding the crystallization of the molten salt; moreover, the dryness of wet saturated steam can be controlled by means of coarse adjustment and fine adjustment, and the direct-flow type evaporation device is suitable for softened water having poor quality so as to meet the steam injection requirements of oil fields.

The present application discloses a fault prediction system and electronic equipment, which relates to the field of data processing technology, including: a data acquisition module, a data fusion module and a fault prediction module; the data fusion module is connected with the data acquisition module and the fault prediction module; the data acquisition module is used to collect multi-dimensional data of boiler heating surface tubes, and the multi-dimensional data includes temperature data, pressure data, flow data, vibration data, audio sound wave data and wall thickness data; the data fusion module is used to fuse multi-modal data, and analyze the health status of boiler heating surface tubes through big data analysis and deep learning algorithms, and determine the risk information of boiler heating surface tubes based on the analysis results; the fault prediction module is used to predict the fault of boiler heating surface tubes based on risk information. Compared with the current existing technology, the present application can identify the potential fault or wear risk of equipment in advance and issue early warnings in time.

The invention discloses a thermal power generating unit operation state detection method and system, and relates to the technical field of operation state detection, and the method comprises the steps: S100, building a working condition variable label; s200, carrying out statistics on correlation coefficients of sensors and faults under various working conditions in historical operation data of the thermal power generating unit, dynamically updating weights, and storing the weights in a working condition database; s300, based on the energy transfer chain of the thermal power generating unit, establishing a parameter incidence matrix between devices; according to the method, the data weights of different sensors are adaptively adjusted according to the real-time operation state of the equipment, the defect that the traditional multi-sensor fusion adopts fixed weight or simple weighted average and is difficult to adapt to the working condition change is overcome, a physical relationship network between the equipment is constructed, key associated parameters are identified in an energy transfer form, and the fault identification accuracy is improved. The robustness of anomaly monitoring under complex working conditions is improved, and the false alarm rate is reduced.

Systems and methods for generating electrical power in an organic Rankine cycle (ORC) operation include one or more heat exchangers incorporated into mobile heat generation units, and which will receive a heated fluid flow from one or more heat sources, and transfer heat therefrom to a working fluid that is circulated through an ORC unit for generation of power. In embodiments, the mobile heat generation units comprise pre-packaged modules with one or more heat exchangers connected to a pump of a recirculation system, including an array of piping, such that each mobile heat generation unit can be transported to the site and installed as a substantially stand-alone module or heat generation assembly.

【Problem】To provide a method for diagnosing faults in an industrial boiler based on a physics knowledge adversarial generation network even when boiler fault data is of poor quality or insufficient. 【Solution】First, step 1 of obtaining historical operation data of the industrial boiler and performing preprocessing of the data; step 2 of constructing a physics knowledge neural network model, constructing a mass and energy conservation formula related to the boiler, and simulating the operation of the boiler by the physics knowledge neural network; step 3 of constructing an improved adversarial generation network model, where the adversarial generation network generates good data using the competition between a generator and a discriminator, and its parameters are alternately trained by the generator and the discriminator; step 4 of training a diagnostic model using a training sample set, performing a fault diagnosis test using a test set, and verifying the effectiveness and superiority of the method by algorithm comparison. 【Selected Drawing】Figure 1

The invention belongs to the technical field of boiler monitoring, and particularly relates to a non-contact boiler expansion monitoring device capable of being movably installed. Comprising an expansion displacement measuring device, a movable installation assembly and a marker, the expansion displacement measuring device is fixedly arranged on the movable installation assembly, and the marker is directly or indirectly arranged on the outer wall of a boiler to be monitored. The expansion displacement measuring device is aligned with the marker during expansion monitoring operation; according to the invention, the monitoring points can be deployed conveniently and quickly without complex transformation of the boiler body, the boiler expansion data can be acquired in real time in a high-precision and non-contact manner, a precise basis is provided for boiler operation and maintenance, and the boiler operation safety and management efficiency are improved.

The invention discloses a thermal power plant boiler fault monitoring and early warning method and system, and the method comprises the steps: obtaining and analyzing the operation monitoring data of a thermal power plant boiler, and determining an abnormal operation parameter; performing data prediction on each abnormal operation parameter according to a preset prediction model to obtain corresponding abnormal prediction data, and performing analysis to determine abnormal features; evaluating the abnormal state of the thermal power plant boiler based on each abnormal feature to obtain an abnormal state evaluation value, and judging whether the thermal power plant boiler has a fault according to the abnormal state evaluation value; after the thermal power plant boiler is judged to have the fault, determining the fault type based on the abnormal operation parameters; and determining a fault level based on the fault type, and determining an early warning coping strategy according to the fault level. According to the invention, prediction is carried out by analyzing the operation monitoring data, the future change condition of the boiler is determined, and the fault is determined by evaluation based on the change condition, so that early warning is carried out, the fault risk can be effectively reduced, the safety, reliability and operation efficiency of the boiler are improved, and the production benefit is increased.

The utility model discloses a boiler water level gauge tube explosion automatic closing device which is arranged between a boiler drum and a glass tube water level gauge and comprises a boiler connecting flange, an automatic closing tube and a water level gauge connecting flange. The automatic closing pipe comprises a straight pipe section and a bent pipe section; the straight pipe section sequentially comprises a first concentric reducer, a sealing equal-diameter tee joint, a second concentric reducer and a reducer tee joint; the bent pipe section sequentially comprises a first long-radius elbow, a check valve, a second long-radius elbow and a sealing ball; the first long-radius elbow is connected with the sealing equal-diameter tee joint, and the second long-radius elbow is connected with the reducing tee joint. When a pipe explosion accident occurs, the device can be closed in time, a large amount of water and steam are prevented from being sprayed out, the influence of the accident is effectively reduced, the sweep range is reduced, and the accident loss is reduced. The utility model has the advantages that the water level gauge communicating pipe can be automatically closed after pipe explosion, the accident influence is reduced, and the loss is reduced.

The present invention belongs to the technical field of stress detection and provides a method and device for testing stress of a high-temperature component of a power plant boiler. The adjusting assembly includes a plurality of bearing blocks, each bearing block is provided with an accommodating groove vertically, limiting blocks are disposed at two ends of the accommodating groove symmetrically, an elastic member, a first connecting rod, and a second connecting rod are disposed in the accommodating groove, and a limiting plate is fixedly connected to one end of each of the first connecting rod and the second connecting rod. According to the present invention, lengths of the first connecting rod and the second connecting rod extending out of the accommodating groove are adjusted, so that the device can be adjusted according to a caliber of a pipeline of the power plant boiler.

The invention discloses a boiler operation state intelligent monitoring method and system, and the method comprises the steps: collecting multi-source heterogeneous data in a boiler operation process, carrying out the cleaning and normalization processing of the multi-source heterogeneous data, extracting key features through wavelet transform, and obtaining standard multi-source heterogeneous data; modeling time series data in the standard multi-source heterogeneous data on the basis of an LSTM (Long Short-Term Memory) network, capturing a dynamic change trend of boiler operation to obtain time series characteristics, analyzing a hearth flame image and an infrared thermal image by using a CNN (Convolutional Neural Network), and extracting combustion state characteristics and thermal distribution characteristics; and based on the comprehensive state vector, a confidence interval of each feature dimension is calculated through a GMM Gaussian mixture model, an operation state deviation degree is analyzed and evaluated in combination with an entropy value, and when the deviation degree exceeds a preset threshold value, graded early warning is triggered. And the accuracy of boiler operation state intelligent monitoring is improved.

The invention relates to the technical field of boiler temperature measurement, and discloses a boiler furnace temperature field measurement system based on multi-sensor fusion. According to a temperature acquisition module of the system, a plurality of groups of infrared temperature measurement sensors and thermocouple sensors are arranged in preset space grids of a boiler hearth, and real-time temperature data of each space grid are synchronously acquired; the data fusion module performs time alignment and space registration on the acquired data to generate a space-time synchronous original temperature data set; the noise suppression module performs multi-scale decomposition on an original data set based on wavelet transform, extracts a high-frequency noise component and performs adaptive filtering, and outputs a temperature data sequence after noise reduction; the temperature field reconstruction module reconstructs a hearth three-dimensional temperature field distribution model through a radial basis function interpolation algorithm according to the denoised data sequence; and the dynamic compensation module calculates the heat conduction lag compensation amount of the temperature field distribution model according to the flowing speed of the flue gas in the hearth and the working condition parameters of the combustor, and generates a compensated dynamic temperature field model.

The invention relates to the technical field of automatic control, in particular to a water quality control method and system for a through-flow boiler. The method comprises the following steps: collecting a liquid sensing signal and a temperature sensing signal in the through-flow boiler; performing preliminary liquid resistance value calculation processing according to the liquid sensing signal to generate preliminary liquid resistance value data; performing liquid resistance value correction processing of temperature compensation on the initial liquid resistance value data based on the temperature sensing signal to generate liquid resistance value data; water feeding operation of a water feeding pump of the through-flow boiler is executed; performing instant liquid conductivity and dissolved solid concentration analysis processing on the liquid resistance value data according to the water supply operation of the water supply pump to respectively obtain an instant liquid conductivity signal and instant dissolved solid concentration data; and according to the instant liquid conductivity signal and the instant dissolved solid concentration data, pollution discharge control operation of the through-flow boiler is executed. By analyzing the water quality characteristics of the through-flow boiler, intelligent and efficient water quality pollution discharge control is realized.

The invention discloses a boiler anti-wear and anti-explosion detection early warning method and system, and relates to the technical field of boiler detection, and the method comprises the steps: arranging a sensor to collect boiler operation data; calculating a temperature field in the boiler through a heat flow coupling equation; calculating a flow velocity field in the boiler by using a fluid mechanics equation; constructing a damage degree equation based on the temperature field and the flow velocity field in combination with the stress field distribution of the boiler component in the working environment, and evaluating the damage condition of the boiler component; based on the calculation result of the damage degree equation, the damage risk level of the boiler component is judged, risk early warning operation is executed, and operation parameters of the boiler are adjusted. According to the anti-abrasion and anti-explosion detection early warning method for the boiler, the multi-physical field effect in the boiler is comprehensively considered, and the damage state and potential risks of boiler parts can be evaluated more accurately. A finite element method is adopted to finely solve a temperature field and a flow velocity field, stress field distribution is combined, the damage degree of the boiler is dynamically evaluated, and the health state of boiler parts is reflected in real time.

The utility model discloses an energy storage type steam system based on a steam heat accumulator, which comprises a softened water supply unit, a gas steam supply unit, an electric steam boiler, the steam heat accumulator and a second thermal deaerator, the steam distribution cylinder is connected with the second thermal deaerator through a second steam pipeline, water supply of the first thermal deaerator is divided into two paths, the first path is connected with the gas steam boiler through a second water supply pipeline, and the second path is connected with the electric steam boiler through a third water supply pipeline. The electric steam boiler is used for supplying steam in an auxiliary mode, steam can be stored in the off-peak electricity period, the stored steam is used for supplying steam, the steam heat accumulator has the peak load shifting function, the proportion of absorbing green electricity is increased, gas consumption is reduced, energy is saved, emission is reduced, and the influence of steam load fluctuation on the gas steam boiler is eliminated. And the service life of the gas-steam boiler is prolonged.

The invention relates to a water pumping compressed gas phase change heat and energy storage system, and belongs to the technical field of energy storage power generation. The water pumping and gas compressing phase change heat and energy storage system comprises a water-gas co-containing tank, a water pumping generator set, a water storage tank, a phase change energy storage power generation subsystem and a current stabilizer, wherein the water pumping generator set is communicated with the water-gas co-containing tank; the water storage tank is communicated with the pumping generator set; the phase change energy storage power generation subsystem is communicated with the water storage tank and the water-gas co-containing tank, and water in the water storage tank enters the phase change energy storage power generation subsystem; the current stabilizer is installed on the phase change energy storage power generation subsystem. Therefore, according to the water pumping and gas compressing phase change heat storage and energy storage system, energy storage and power generation are achieved in one or more modes of water pumping energy storage and power generation, gas compressing energy storage and power generation and phase change energy storage and power generation, and a current stabilizer is arranged in the phase change energy storage and power generation subsystem to stabilize steam flow, so that the phase change energy storage and power generation subsystem can better store energy and generate power; the power generation effect is more stable, and the power generation efficiency is improved.

The utility model relates to a WSC boiler tail convection heating surface flue gas temperature adjusting device which comprises a flag-shaped pipe heat exchanger water side bypass pipeline, a valve set, a first adjusting valve, a second adjusting valve and a third adjusting valve are arranged on the flag-shaped pipe heat exchanger water side bypass pipeline, one end of the first adjusting valve is connected with an inlet of a boiler water inlet collecting box, and the other end of the first adjusting valve is connected with an outlet of a boiler water outlet collecting box. The other end of the first adjusting valve is connected with the valve set and the second adjusting valve, the other end of the second adjusting valve is connected with the third adjusting valve, an outlet of the flag-shaped pipe upper header and an inlet of the economizer distribution header, and the water side bypass pipeline is connected with the heat supply network water return pipeline through the valve set. The utility model has the advantages that the pressure is set by the pressure sensor, the pressure is controlled to adjust the opening of the bypass valve, the pressure is limited to adjust the opening amplitude of the bypass valve, and the amount of water entering the heating surface of the boiler is controlled according to the closing temperature, so that the vaporization heat absorption intensity of the heating surface of the boiler can be controlled, and the vibration amplitude of the boiler caused by the reduction of water flow is reduced.

The invention relates to a hearth temperature measuring system, which comprises a video monitoring module, an image monitoring module, an integrated sensor platform and a central processing unit (CPU), and is characterized in that the video monitoring module comprises at least one high-temperature camera, a video signal processing device and a display which are arranged in a boiler hearth; the high-temperature camera collects a flame video in the hearth and transmits the flame video to the display through the video signal processing device; the image monitoring module comprises an image acquisition card, a field programmable gate array (FPGA) and a graphic processing unit (GPU); the image monitoring module is used for acquiring image data in the hearth from a flame video in the hearth and transmitting the image data to the central processing unit (CPU); the integrated sensor platform comprises a plurality of different types of sensors, and each type of sensor is used for collecting operation parameters of the corresponding type of the coal-fired unit and transmitting the operation parameters to the central processing unit; and the central processing unit CPU outputs hearth temperature measurement data through the image data in the hearth and the operation parameters of the coal-fired unit.

The invention discloses a thermal power plant boiler combustion adjusting and optimizing method and system, and relates to the technical field of thermal power plants. By arranging the boiler pipeline three-dimensional digital twinborn visualization module, the thermal power plant data analysis supporting platform, the heating surface wall temperature monitoring module and the heating surface heat absorption monitoring module, the combustion optimization effect is evaluated, and thermal power plant boiler combustion data and corresponding analysis results are managed, visualized and stored; energy management can be realized through internet cloud management and control, the intelligent level of combustion management of the boiler of the thermal power plant is improved, the combustion efficiency can be effectively improved, pollution emission can be reduced, the service life of equipment can be prolonged, and the automation level can be improved by optimizing operation parameters, reducing abrasion and corrosion of the boiler, prolonging the service life of the equipment and reducing the maintenance cost; and technical support is provided for green sustainable development of a thermal power plant.

The utility model provides a boiler with a water quality detection function. The boiler comprises a boiler body and a water quality detection device. The boiler body communicates with a water inlet pipeline; the water quality detection device comprises a containing cavity, a detection device arranged in the containing cavity, a water inlet pipe communicating with the containing cavity and the water inlet pipeline, and a water outlet pipe communicating with the boiler body and the containing cavity. The water inlet pipe and the water outlet pipe are respectively provided with a control valve; the system further comprises an external flushing pipeline and a water supply device; the water supply device is communicated with the water inlet pipe through an external flushing pipeline; the external flushing pipeline is provided with a third control valve; the device further comprises an emptying device, and the emptying device communicates with the containing cavity and is used for emptying liquid in the containing cavity. Water entering the boiler is detected by connecting the water quality detection device to the water inlet pipeline. And the water quality detection device is cleaned through the water supply device, so that the reliability of the water quality detection device during detection is improved, and the detection effect on water entering the boiler is improved.

The invention provides a boiler four-pipe leakage monitoring device and method and a boiler four-pipe system.The boiler four-pipe leakage monitoring device comprises a measuring pipeline, a pressure sensor and a controller, the measuring pipeline is used for being inserted into boiler four pipes, the pressure sensor is communicated with an inner cavity of the measuring pipeline, the pressure sensor is electrically connected with the controller, and the controller is electrically connected with the measuring pipeline. And the signal is transmitted to the controller. According to the boiler four-pipe leakage monitoring device, the pressure sensor is adopted to monitor the pressure of the measuring pipeline so as to judge whether the boiler four pipes leak or not, and compared with the prior art, the pressure sensor is slightly influenced by environmental noise and the like, so that the stability of the monitoring process can be effectively improved; and the probability of false alarm and missing alarm phenomena is reduced.

The invention discloses a boiler anti-leakage monitoring and positioning method and system, a product and a medium. The method comprises the following steps: when the dissolved hydrogen concentration variation of two or more monitoring units in a unit time period exceeds a preset rising or falling threshold value and one of the monitoring units periodically fluctuates, controlling to apply instantaneous electric pulse disturbance to all the monitoring units; collecting dissolved hydrogen response change values and capacitance change values before and after the pulse of each monitoring unit, and selecting the unit with the maximum dissolved hydrogen response change value as the unit with the maximum amplitude; and if the capacitance change value of the unit with the maximum amplitude has nonlinear offset or is lower than a threshold value, judging whether the change trend of the unit with the maximum amplitude is consistent with that of other units, and if so, pausing the alarm function of the unit with the maximum amplitude and continuing to monitor other units. By implementing the technical scheme provided by the invention, the accuracy of boiler leakage monitoring and positioning is improved.

The invention relates to the technical field of thermal power generation, in particular to a boiler operation optimization method, device, equipment, medium and program, and the method comprises the steps: obtaining the grating fiber Bragg wavelength data of a boiler during peak regulation operation; the grating fiber Bragg wavelength data are input into a pre-trained boiler temperature prediction model, the boiler temperature prediction model outputs the predicted temperature of the boiler, the boiler temperature prediction model comprises a function relationship between wavelength and temperature, the predicted temperature of the boiler is determined by using the function relationship, and the function relationship between the wavelength and the temperature is P (x) = a0 + a1x + a2x2 +... + akxk; wherein P (x) is the predicted temperature of the boiler, x is fiber bragg grating Bragg wavelength data, a0, a1, a2,..., ak are coefficients of a polynomial, and k is the order of the polynomial; and optimizing the operation state of the boiler according to the predicted temperature. Therefore, the problems that in the related technology, when the coal-fired boiler is operated in a deep peak regulation mode, the temperature change in the boiler is difficult to accurately capture, and consequently the operation stability of the boiler is affected by local overheating are solved.

The invention discloses an electrode boiler corrosion on-line monitoring sensor which comprises a spiral guide rail, the guide rail extends in a threaded mode in the vertical direction, the electrode boiler is sleeved with the guide rail, the lower end of the guide rail is rotationally connected to an assembly base, and the upper end of the guide rail is connected with the upper end of the electrode boiler through a vertical adjusting mechanism. A walking type monitoring mechanism capable of moving along the guide of the guide rail is assembled on the guide rail, and the monitoring end of the walking type monitoring mechanism is in contact with the peripheral wall of the electrode boiler. According to the invention, the corrosion condition of the inner circumferential wall of the electrode boiler can be effectively monitored, the monitoring accuracy and comprehensiveness are improved, an operator can adjust the adding amount of an agent in boiler water according to the monitoring condition, and maintenance personnel can conveniently carry out targeted maintenance on the corrosion area of the electrode boiler subsequently, so that the use safety of the electrode boiler is improved, and the service life of the electrode boiler is prolonged. And meanwhile, the service life of the electrode boiler is prolonged. The method is suitable for the technical field of electrode boiler corrosion monitoring.

The utility model discloses a power station boiler water cooling wall fire facing side temperature monitoring device, which belongs to the technical field of power station boiler water cooling wall temperature monitoring and comprises a plurality of water cooling pipes and fins. The water cooling pipes and the fins are arranged at intervals; a heat collection block is mounted on the outer surface of the water cooling pipe; fins on the two sides of each water cooling pipe are symmetrically provided with fixing frames, and a fixing structure is installed between the fixing frames on the two sides of each water cooling pipe. The heat collection block is detachably installed on the outer side of the water cooling pipe through a fixing structure. According to the device for monitoring the temperature of the fire-facing side of the water cooling wall of the power station boiler, the heat collection block is detachably installed on the outer side of the water cooling pipe through the fixing structure, disassembly and assembly of the heat collection block and replacement of the temperature sensing probe are facilitated, the heat collection block can be fixed to a proper position according to actual conditions, detection is more convenient, and the detection effect is good.

The invention discloses a boiler pipeline heat exchange device, and relates to the technical field of leakage detection, the boiler pipeline heat exchange device comprises a boiler structure and a man-machine interaction device, the boiler structure comprises a first supporting frame, a heat preservation furnace body, a combustion furnace and a combustor, and a leakage monitoring module and a pipeline heat exchange structure are arranged in the boiler structure; the pipeline heat exchange structure comprises a smoke heat exchange structure and a smoke exhaust structure, and when one of a plurality of first pressure-bearing pipes, a plurality of second pressure-bearing pipes or a plurality of third pressure-bearing pipes used for pressure-bearing heat exchange is broken, the leakage condition can be found in time through the arrangement of the leakage monitoring module; the situation that water flows and is collected into the combustion furnace to affect normal work of the boiler structure is avoided, after the leakage monitoring module feeds the leakage situation back to the man-machine interaction equipment, the man-machine interaction equipment immediately controls the smoke heat exchange structure to implement corresponding emergency measures, normal work of the smoke heat exchange structure is maintained, and the service life of the boiler structure is prolonged. Time is provided for making a remedy plan for workers, and economic losses are reduced.

The invention belongs to the technical field of cooking equipment, and discloses a steam generation assembly, a control method of the steam generation assembly, a steam box and an integrated cooker. According to the steam generation assembly, the water inlet of the heating disc is provided with the protruding part, the protruding part is higher than the water level in the water tank, the water temperature and / or the temperature rise rate of the position, close to the water inlet, of the water inlet pipe are / is monitored through the first temperature sensing element, and the water shortage state of the water tank can be rapidly judged due to the fact that the water amount is small and the temperature change is more remarkable. And after determining that the water inlet is lack of water, further judging whether the heating disc is in dry burning or not by combining the heating body temperature and / or the temperature rise rate monitored by the second temperature sensing element. And the accuracy and the reliability of judgment are improved through cooperative monitoring of the double temperature-sensing elements. In addition, by recognizing the water shortage of the water tank in advance, the temperature threshold T3 of the heating body in the dry burning state can be properly reduced, the logic judgment time is shortened, the dry burning duration is shortened, the heating disc is effectively protected, and the service life of the heating disc is prolonged.

The utility model relates to a steam boiler for a fermented soybean workshop. The steam boiler comprises a body. A burner is arranged on one side of the body; a smoke pipe is arranged in the body, and a smoke chamber is arranged on the burner; the smoke pipe is provided with a smoke inlet and a smoke outlet; a multi-channel lifting smoke exhaust assembly is arranged in the smoke chamber; a first inlet and a second inlet which are communicated with the smoke outlet are formed in the multi-channel lifting smoke exhaust assembly; the multi-channel lifting smoke exhaust assembly is connected with the driving end; and a temperature detection element is arranged in the flue gas chamber. Under the condition that the length of the smoke pipe is not increased, the temperature of the smoke subjected to heat exchange in the boiler is detected through a temperature detection element; if the temperature of the smoke is high, it is proved that heat exchange between the smoke and water is not thorough, the second inlet in the multi-channel lifting smoke exhaust assembly is controlled to be connected with the smoke outlet, and due to the fact that the flow limiting plug is arranged in the second inlet, the smoke passing time can be prolonged, the duration of the smoke in the smoke pipe is prolonged, and more thorough heat exchange is facilitated.