777results about "Boiler cleaning apparatus" patented technology

The present invention relates to a steam generator, which includes: a steam shell forming an outer shape and having a space for storing water formed therein; a steam heater, which is arranged inside the steam shell and generates steam by heating the water stored inside the steam shell by applying power; a water pipe, which is arranged on one side of the circumferential surface of the steam shell and is formed with a connecting hole, wherein the connecting hole allows water to flow from the outside into the interior of the steam shell, or allows water inside the steam shell to flow out to the outside; an air intake portion, which is arranged on the upper surface of the steam shell and is formed with an air intake port, wherein the air intake port allows air to flow into the interior of the steam shell; and a steam discharge portion, which is arranged on the upper surface of the steam shell at a predetermined interval from the air intake portion and is formed with a steam discharge port for discharging steam generated inside the steam shell and air flowing in through the air intake portion to the outside.

The utility model discloses a waste heat boiler ash removal device which comprises a waste heat boiler body, a coal economizer arranged in the waste heat boiler body and a spraying assembly arranged below or on the side face of the coal economizer, and a smoke inlet and a sewage outlet are formed in the lower portion of the waste heat boiler body. The spraying assembly comprises a plurality of spraying heads, each spraying head is provided with a water outlet hole and a dustproof column, the dustproof columns are matched with the water outlet holes to close or open the water outlet holes, the dustproof columns are in sliding fit with the water outlet holes, the sliding direction of the dustproof columns is parallel to the axial direction of the water outlet holes, and the dustproof columns are arranged on the spraying heads. And the water outlet hole is arranged towards the coal economizer. The ash removal device for the waste heat boiler is reasonable in structure, the spray header can be prevented from being blocked, the water outlet effect of the spray header each time is guaranteed, and therefore the cleaning effect on an economizer pipeline is guaranteed.

The utility model relates to the field of industrial boiler equipment, in particular to an automatic chemical feeding device for a boiler, which comprises a chemical feeding tank and the boiler, the chemical feeding tank and the boiler are connected through a boiler water supply pipeline, the top of the chemical feeding tank is provided with a water feeding port and a chemical feeding port, the water feeding port is connected with an external water supply pipeline, and the chemical feeding port is connected with an external chemical supply pipeline. A first electromagnetic valve is arranged on the water adding opening, a second electromagnetic valve is arranged on the medicine adding opening, a liquid level meter is installed on the outer side face of the medicine adding tank, a metering pump is arranged on a water supply pipeline of the boiler, a water quality monitor is arranged on the inner wall of the boiler, and the system further comprises a controller which is electrically connected with the first electromagnetic valve, the second electromagnetic valve, the liquid level meter, the metering pump and the water quality monitor. The utility model provides an automatic boiler dosing device which solves the problems that an existing boiler dosing device is low in operation efficiency, high in safety risk and high in maintenance cost.

The utility model relates to a multifunctional sliding execution truss for tube bundle washing, which comprises a supporting bottom plate sliding on a movable underframe along the z direction, operating platforms are arranged on two sides of one end of the movable underframe, a turnover pedal is arranged between the two operating platforms, and the turnover pedal is driven by a turnover component to turn over; the turnover pedal has at least two states: firstly, the turnover pedal is connected with the two operation platforms and is positioned on a moving path of the supporting bottom plate; secondly, the overturning pedal keeps away from the moving path of the supporting bottom plate; the operation platform is used for installing various devices and allowing workers to walk. During working, the overturning pedal is in an open state and does not interfere with the movement of the six-axis robot on the movable bottom frame; in the non-working process, in order to facilitate walking of workers on the operating platforms, the overturning pedals are in a closed state to connect the two operating platforms, and suspension caused by the moving underframe and the moving path of the six-axis robot on the moving underframe is avoided.

The invention discloses a heat storage high-voltage electrode boiler control system, and relates to the technical field of boiler control. Sensors of different types are installed at a plurality of key positions of the system, and the sensors are used for collecting multi-dimensional data of normal operation samples and scaling samples; recording the working intensity grade and the total working duration grade of the boiler in a normal state in one day, marking each date to obtain a date marking sequence, counting the number from 0 to 8, and if one of the numbers exceeds a number threshold value, starting a boiler electrode scaling risk test; the method comprises the following steps: collecting an overall electricity consumption low-peak period time interval and a real cooling time interval of a city within one day, solving an intersection to obtain a test time interval, training a normal sample and a scaling sample by using an extreme gradient boost tree XGBoost model to obtain a scale layer thickness, calculating a scaling risk score through the scale layer thickness, and obtaining different descaling methods adopted for different grades.

The invention provides a boiler decoking method, a boiler decoking device, boiler decoking equipment and a medium, and the method comprises the following steps: collecting multi-mode coke residue distribution data in a boiler; carrying out fusion processing on the multi-mode coke residue distribution data to obtain coke residue distribution characteristic parameters in the boiler; based on the coke residue distribution characteristic parameters, determining a coke residue growth trend by using a coke residue growth prediction model; according to the growth trend of the coke slag, acoustic wave control parameters and steam control parameters are determined through a digital twinborn simulation technology; and controlling a sound wave generator and a steam pulse device to perform targeted decoking on the boiler based on the sound wave control parameters and the steam control parameters. The decoking efficiency and accuracy can be improved.

The utility model relates to a blow-off flash steam recovery system for a heat recovery coke oven waste heat boiler, which is characterized in that heat recovery boilers are provided with heat recovery boiler drums, the bottoms of the heat recovery boilers are provided with heat recovery boiler blow-off pipes, and sewage outlets of the heat recovery boiler drums are connected with sewage inlets II of corresponding blow-off flash tanks through pipelines II; a blow-off pipe of the heat recovery boiler is connected with a first sewage inlet of the corresponding blow-off flash tank through a first pipeline, the top end of each blow-off flash tank is connected with an inlet of the steam compressor unit through a third pipeline, and an outlet of the steam compressor unit is connected with the low-pressure steam pipe network through a fourth pipeline. The heat recovery system has the advantages that pollution discharge flash steam of all the heat recovery boilers is recovered through the header pipe, the number of devices is reduced, and investment optimization and operation maintenance of the devices are facilitated; the steam compressor unit sucks flash steam, the flash steam is compressed and boosted to low-pressure steam, the low-pressure steam is connected to a low-pressure steam pipe network through an outlet pipeline of the steam compressor, and white steam caused by blow-off steam diffusion is avoided.

The embodiment of the invention provides a drainage recovery control method and system for a multi-source heat supply network. The method comprises the steps that data acquisition equipment is installed on all drainage pipelines before entering a drainage tank of the heat supply network; acquiring temperature parameters, flow parameters and conductivity parameters of each path of hydrophobic water in real time through the data acquisition equipment; and based on the temperature parameter, the flow parameter and the conductivity parameter, comprehensive state judgment of hydrophobic recovery treatment is carried out, and based on a judgment result, dynamic pollution discharge control is carried out. According to the embodiment of the invention, the blow-down valve is opened in a targeted manner through real-time acquisition and layered judgment, so that the mixed hydrophobic parameters are stabilized in a threshold range, and the problem that traditional static control cannot adapt to multi-source parameter differences is solved; and on the basis that pollution discharge is triggered only when parameters exceed the standard, qualified drained water is prevented from being discharged by mistake, and recoverable water resources and waste heat resources are reserved to the maximum extent.

The invention discloses a boiler blow-down water waste heat recovery control method, system and equipment and a medium. The method comprises the following steps that the current waste heat recovery efficiency eta of a waste heat recovery system is obtained; the current scaling coefficient R of a heat exchanger in the waste heat recovery system is obtained; according to the current waste heat recovery efficiency eta and the current scaling coefficient R, the heat transfer coefficient K of the heat exchanger is obtained; the current temperature T and the water quality concentration ratio C of the boiler are obtained; and inputting the heat transfer coefficient K, the current temperature T and the water quality concentration ratio C into a preset discharge capacity optimization model to obtain the optimal discharge capacity Q. The method has the advantages that the discharge capacity can be adaptively adjusted, and the boiler safety and waste heat recovery requirements can be balanced.

The invention discloses a drainage flash heat supply system of a once-through boiler under low load and an operation method of the drainage flash heat supply system. The drainage flash heat supply system comprises a drainage flash control valve, a drainage flash tank, a heat supply steam throttle valve, an electric heater and a condensation drainage recirculation pump which are sequentially arranged behind a water storage tank. When a unit undertakes a peak regulation task and a boiler enters a wet state operation mode under an ultra-low load working condition, drain water generated by a steam-water separator is introduced into a flash evaporation heat supply system, generated high-pressure steam is used for industrial heat supply, the steam meets the requirements of pressure and superheat degree of industrial steam through a throttling valve and an electric heater, and the heat supply efficiency is improved. The drain water produced in the flash tank is re-introduced into the feed line through a condensed drain water recirculation pump. According to the system, power supply and heat supply can be decoupled during low-load operation of a unit, meanwhile, the stable combustion requirement of boiler operation is met, and the hydrodynamic safety of each water cooling wall is protected.

The invention relates to a water level control method and device of a steam generator and computer equipment. The method comprises the steps that under the condition that it is detected that a main feed water valve of the steam generator has an upward floating fault, the feed water flow adjustment amount of the steam generator is determined according to the inlet and outlet water flow, the current water level value and the preset water level fixed value of the steam generator; determining an opening signal of a bypass valve based on a preset corresponding relation between the feed water flow and the opening signal of the bypass valve of the steam generator and the feed water flow adjustment amount; and the opening degree of the bypass valve is adjusted according to the opening degree signal, so that water level control over the steam generator is achieved. By the adoption of the method, disturbance to other steam generators can be avoided while the water level of the steam generator with the main water supply valve having the floating fault is adjusted to the stable state.

The invention discloses a steam utilization device for steam turbine overhaul, and belongs to the technical field of steam utilization, the steam utilization device comprises an equipment base, a heat exchange box body is fixedly mounted at the top of the equipment base, the top of the heat exchange box body is fixedly connected with an evaporation boiler through a heat conduction structure, and the evaporation boiler and the heat exchange box body are in heat conduction fit; an energy conversion shell is fixedly installed at the position, close to the heat exchange box body, of the top of the equipment base, a first-stage condenser is fixedly installed at the position, close to the energy conversion shell, of the top of the equipment base, and the inlet end of the first-stage condenser communicates with the outlet end of the energy conversion shell in a sealed mode through a pipeline. High-temperature and high-pressure steam firstly enters the heat exchange rectangular pipe to release heat energy, condensate water containing impurities is evaporated and purified through the discharged high-temperature steam, thorough separation of the impurities and a water body is achieved, and the situation that steam water containing the impurities enters a steam turbine again to pollute the steam turbine is fundamentally avoided.

To provide a boiler low temperature state quick flushing method.SOLUTION: A boiler flushing device includes: an activation mechanism comprising a boiler body and a power assembly provided at the boiler body; a scale removal mechanism comprising a transmission assembly provided at the power assembly and a scale scraping assembly provided at the transmission assembly; and a uniform stirring mechanism comprising a fixed column provided at the boiler body, a limiting assembly provided at the fixed column, and a motion assembly provided at the limiting assembly. The scale removal mechanism allows a scale scraping brush to perform circular motion on an inner wall of the boiler body to scrape scales on the inner wall of the boiler body. A scraping member is provided on the inner wall of the boiler body and cleans the scale scraping brush. At the same time, the uniform stirring mechanism is provided on the fixed column to avoid the scraped scales from accumulating on a bottom part of the boiler body and being discharged from the boiler body with water flow through a drain pipe and allow cleaning to be performed more thoroughly.SELECTED DRAWING: Figure 2

To prevent dust from adhering to the interior of a boiler to protect the boiler.SOLUTION: A boiler includes: a heat radiation chamber having a heat transfer pipe which receives radiant heat of an exhaust gas circulating from a waste incinerator to generate steam, and a convective heat transfer chamber which overheats steam through heat exchange between the exhaust gas and the heat transfer pipe. The boiler has a plasma actuator, which generates airflow by an AC voltage being applied thereto, on a peripheral surface of the heat transfer pipe. Dust contained in the exhaust gas flows along the airflow generated by the plasma actuator. Thus, the structure can inhibit the dust contained in the exhaust gas from adhering to the heat transfer pipe and inhibit corrosion of the heat transfer pipe from being caused by the dust.SELECTED DRAWING: Figure 1

The application discloses a device and method for preventing dry burning of a reheater of a waste heat boiler, and the device comprises a high-pressure blowing unit, a medium-pressure blowing unit, a low-pressure blowing unit and a reheater unit. The high-pressure blowing unit and the medium-pressure blowing unit can ensure that the reheater unit has steam flow in the whole blowing process, and the low-pressure blowing unit can stabilize the blowing pressure. The device and method can prevent the reheater from being in a dry burning state during blowing.

The present invention relates to the technical field of steam sampling equipment, specifically an intelligent boiler steam-water sampling device, including a condensing mechanism, the condensing mechanism including a vent pipe, one end of the vent pipe is connected to the boiler, the end of the vent pipe away from the boiler is fixedly connected to the condenser pipe, a spring circulation pipe is nested outside the condenser pipe, one end of the spring circulation pipe is connected to the upper end of the condenser pipe through a water inlet, and the other end of the spring circulation pipe extends to the lower end of the condenser pipe and is fixedly connected to an external water pipe; the present invention realizes automatic steam collection and cleaning by driving a turntable and a condensing device to work together through a motor. The cooling water temperature gradient is used to avoid premature liquefaction of steam and improve collection efficiency; the automatic cleaning function prevents residual contamination and ensures sample accuracy. The device has good sealing performance, high sampling efficiency, recycling of cooling water, and energy saving and environmental protection.

The utility model discloses a fuel oil steam generator for seaweed extraction, which belongs to the field of seaweed extraction, and comprises a generator body, the bottom of the generator body is fixedly connected with an outer cover, and the upper part of the inner wall of the outer cover is fixedly connected with telescopic noise reduction cotton; through the arrangement of the motor, the threaded rod, the threaded sleeve, telescopic noise reduction cotton, a first conical tooth, a second conical tooth, a rotating rod, a gear, a rack and a water pipe, when the motor drives the threaded rod to rotate, the threaded sleeve in threaded fit with the threaded rod can drive the telescopic noise reduction cotton to move upwards through a limiting block; furthermore, the device enables the generator body not to generate loud noise in the use process, certain damage to eardrums caused by the fact that surrounding workers are in the environment for a long time is prevented, and after the generator body is used for a long time, the surface of the generator body is not at a high temperature through cooling of the water pipe, so that the service life of the generator body is prolonged. And the normal use of the control host is prevented from being influenced by high-temperature line burnout.

The utility model discloses a boiler cleaning device convenient to separate, and relates to the technical field of boiler cleaning, the two sides of an assembling rod are respectively provided with two movable electric push rods, a rotating frame is connected between the output ends of every two adjacent movable electric push rods, an air spraying pipe is rotatably installed in the middle of each rotating frame, and air spraying holes are formed in one side of each air spraying pipe at equal intervals; a servo motor is installed on the top of the rotating frame, the output end of the servo motor is connected with a rotating shaft on the top of the adjacent air spraying pipe, a communicating hole is formed in the top of the outer side of the air spraying pipe, and a transfer air box is rotationally connected to the position, corresponding to the communicating hole, of the outer side of the air spraying pipe. And the servo motor is matched to drive the gas spraying pipe to swing at multiple angles, so that gas sprayed out of the gas spraying holes faces the cleaning brush, residual dirt in the cleaning brush is removed under the impact action of the gas, the cleaning brush does not need to be cleaned manually, the labor intensity of workers is reduced, and the cleaning efficiency is high.

A sludge lance system for cleaning a tube bundle of a steam generator is disclosed. The sludge lance system comprises a mount, an index drive, and a sludge lance comprising a longitudinal rail, a manifold, an oscillator assembly, and a distal head. The oscillator assembly comprises a rotary output shaft. The distal head comprises a body portion, a first nozzle body on a first side of the distal head, and a second nozzle body on a second side of the distal head opposite the first side. The first nozzle body is rotatable relative to the body portion about a first longitudinal axis in a first direction in response to a rotation of the rotary output shaft. The second nozzle body is rotatable relative to the body portion about a second longitudinal axis in a second direction opposite the first direction in response to the rotation of the rotary output shaft.

The invention relates to the technical field of high-temperature gas cooled reactors and discloses a cleaning device which comprises a positioning assembly, a pushing assembly, a guiding assembly, a spray needle and a visual assembly, the positioning assembly comprises a connecting piece capable of moving in any direction of the X-axis direction, the Y-axis direction, the Z-axis direction and the Z-axis circumferential direction, the pushing assembly is connected with the connecting piece, and the guiding assembly is connected with the visual assembly. The pushing assembly comprises a moving part capable of moving in the Z-axis direction, the guiding assembly is connected with the pushing assembly and comprises a guiding hole, the guiding assembly can be connected with any to-be-cleaned assembly and enables the guiding hole to be communicated with a working cavity of the to-be-cleaned assembly, the spraying needle is arranged on the moving part, and the moving part can drive the spraying needle to penetrate through the guiding hole and be inserted into the working cavity. The spray needle can spray out a cleaning medium to clean the working cavity, the visual assembly comprises a camera, and the camera can observe the state of the spray needle. The cleaning device provided by the embodiment of the invention can be used for quickly positioning and cleaning the tubular parts such as the throttling assembly, so that the manpower is saved.

The application discloses a flue gas heat energy and condensate water utilization system, which comprises a boiler, a flue gas cooling device, and a deoxygenated water tank. The flue gas generated by the boiler combustion enters the flue gas cooling device through a first flue for cooling. The flue gas exchanges heat with the water in the condensate water tank, the water in the condensate water tank is heated, the flue gas is cooled, and the cooled flue gas is discharged through a second flue. The condensate water formed in the flue gas cooling process falls into the condensate water tank. The water in the condensate water tank is deoxygenated by the deoxygenated water tank and then flows back to the boiler. The flue gas heat energy generated by the boiler combustion is utilized, the slightly acidic condensate water generated by the flue gas is mixed with the slightly alkaline softened water and the boiler water, the acidic condensate water and the alkaline softened water and the boiler water are subjected to acid-base neutralization reaction, the flue gas is used to heat the condensate water, and the like, so that the flue gas condensate water does not contain acidic gas, and thus the flue gas condensate water is slightly alkaline water suitable for the utilization of the boiler.

The utility model discloses a steam generator module, including shell, set up in shell be used for heating fluid heating system and be used for controlling fluid to enter and discharge heating system's fluid system, the heating system includes electric heating main part and sets up on electric heating main part electric heating pipe, be equipped with the chamber without partition in electric heating main part, the water inlet and water outlet that electric heating main part both ends are equipped with with chamber intercommunication, the position of between the water inlet and water outlet in the chamber is provided with filter system, the utility model discloses optimization internal structure and filter screen, improve the steam production efficiency, reach the purpose that both filter scale and do not block product channel simultaneously.

The present application relates to a kind of flexible energy supply system of steam turbine based on cascade utilization and its operating method, wherein the system includes air-cooled atmospheric condenser, high back pressure condenser, primary peak heater, secondary peak heater, cascade utilization back pressure machine, molten salt heat storage system, steam compressor, steam turbine and drainage system;The air-cooled atmospheric condenser, high back pressure condenser, primary peak heater, secondary peak heater are sequentially connected to constitute four-stage heating energy supply system;The inlet of the air-cooled atmospheric condenser is connected with heating return water pipeline, and the outlet of the secondary peak heater is connected with heating steam supply pipeline.The present application clearly divides heating steam turbine unit into four cascade utilization energy supply systems, can dynamically adjust cascade heating mode according to the demand of heat user and the demand of unit deep peak regulation, relieve the problem of energy crisis caused by deep peak regulation, and improve the ability of unit livelihood heating and industrial steam supply guarantee.

The utility model belongs to the technical field of dry quenching waste heat power generation, and particularly relates to a dry quenching waste heat power generation deoxygenization water supply system. Comprising EDI (electrodeionization) equipment, a steam extraction condensing steam turbine or a pure condensing steam turbine, a condenser, a condensate pump, a demineralized water tank of a dry quenching boiler water supply pump station, a deoxygenization water supply pump, a deoxygenization water supply regulating valve group, a three-way valve, a water-water heat exchanger, a water supply preheater and a thermal deaerator. The utility model has the beneficial effects that a desalting water tank and a secondary desalting water pump of a desalting water station are omitted; the fixed pressure difference of the regulating valve is used as main regulation, and the three-way valve is used as auxiliary regulation to ensure normal operation of sampling equipment; after deoxygenated water supply is heated by the water-water heat exchanger, one part of sewage is fed into the dry quenching body circulating water tank for normal production, and the other part of sewage is fed back to a sewage discharge well, so that the temperature of the sewage is reduced, heat and water resources are fully utilized, and meanwhile, the adverse effect of white smoke generated by sewage discharge on a drainage system and the environment is eliminated.

The utility model discloses a drip-proof boiler continuous blowdown device, which relates to the technical field of boiler blowdown and comprises a boiler drum and a sealing component, a continuous blowdown regulating valve is arranged in front of the boiler drum, and the sealing component is arranged on the surface of the continuous blowdown regulating valve. The sealing assembly comprises connecting flanges, a rear connecting pipe, a front connecting pipe, mounting bolts, a first sealing ring, a second sealing ring, a rubber sealing ring and fixing bolts, and the connecting flanges are arranged on the surfaces of the two sides of the lower end of the continuous row adjusting valve. According to the drip-proof boiler continuous blowdown device, the sealing performance of the adjusting valve of the device is greatly improved through the sealing assembly, the drip phenomenon is prevented, the adjusting valve can be rapidly disassembled and assembled, the adjusting valve with inner leakage is convenient to replace, drip caused by aging of the adjusting valve is avoided, continuous blowdown of a boiler can be achieved through the device through the blowdown assembly, and the service life of the boiler is prolonged. The salt content and alkalinity in the pot water are reduced, and the steam quality is prevented from being influenced by over-high concentration of the pot water.

The present application relates to a method for reducing the start-up time of a water-cooled wall standby furnace, which uses equipment including a gasifier water-cooled wall, a steam drum and a water-cooled wall circulating water pump. The present application makes full use of the heat of the continuous blowdown of the operating series steam drum, and realizes the maintenance of the standby series water-cooled wall temperature, and the system is simple and the control is convenient; compared with the prior art, the present application can reduce the start-up time of the standby furnace, reduce the impact of the gasifier trip on the device operation load, and reduce the economic loss caused by shutdown. According to the water baking time of 8 hours, the present application can reduce the economic loss of 8 hours caused by unplanned shutdown, and according to the gasification scale of 100,000 standard cubic meters / hour of effective gas production, the economic loss can be reduced by nearly 500,000 yuan.

The application discloses a chemical cleaning liquid level control system and method for a power station boiler, which comprises a water storage tank, a differential pressure liquid level transmitter, a liquid level interlocking controller, a drainage electric valve, a cleaning water inlet valve, a cleaning backwater pipeline, a cleaning water inlet pipeline and a circulating cleaning system; the water storage tank, the cleaning backwater pipeline, the circulating cleaning system and the cleaning water inlet pipeline are sequentially connected to form a circulating pipeline; the cleaning backwater pipeline is further connected to a drainage system at a water outlet end; the liquid level steam side communication pipe and the liquid level water side communication pipe of the water storage tank are both connected to the differential pressure liquid level transmitter; the drainage electric valve is arranged at the water outlet end of the cleaning backwater pipeline and is connected to the drainage system; and the input end of the liquid level interlocking controller is electrically connected to the differential pressure liquid level transmitter, and the output end is connected to the drainage electric valve. The application solves the problems of high equipment failure rate, high human error rate, unreliable control measures and high labor intensity of personnel in the conventional chemical cleaning liquid level control technology.

The invention relates to the field of oil field steam injection boiler equipment, in particular to a high-capacity subcritical coal-fired CFB type oil field steam injection boiler, the highest pressure of the boiler can reach subcritical pressure, the boiler comprises a steel frame, and a boiler barrel, a hearth water cooling wall and a flue are arranged on the steel frame. A superheater, an upper-level economizer, SCR equipment, a lower-level economizer and an air preheater are sequentially arranged on the flue, a softened water pipeline used for conveying oilfield sewage is arranged on the steel frame, the softened water pipeline is sequentially communicated with the lower-level economizer, the upper-level economizer and a bottom coil pipe of a hearth water cooling wall, and the middle and a top coil pipe of the hearth water cooling wall are communicated with a boiler barrel. A separating assembly used for separating saline water and steam is arranged in the boiler barrel, a steam pipeline is communicated between the top of the boiler barrel and the superheater, the bottom of the boiler barrel is communicated with a salt discharging pipe, and a pressure measuring piece used for monitoring pressure changes in a coil pipe is arranged on the coil pipe of the hearth water cooling wall. The method has the effect of reducing the equipment investment cost.

To provide a heat transfer surface cleaning system capable of making proper cleaning capacity act on a thickness of a deposit adhering to a heat transfer surface.SOLUTION: A heat transfer surface cleaning system comprises: an infrared camera that measures a surface temperature of a heat transfer surface by photographing the heat transfer surface exposed inside the boiler; a thermometer that measures a gas temperature in an internal space of the boiler; a cleaning device that cleans the heat transfer surface by injecting cleaning fluid; and a controller that controls an injection amount of the cleaning fluid. The controller performs machine learning of outputting the injection amount, acquiring state values including the measured surface temperature of the heat transfer surface and the gas temperature, acquiring a post-cleaning gas temperature measured by the thermometer after cleaning is performed by the cleaning device based on the injection amount, calculating a reward based on the post-cleaning gas temperature, and determining the injection amount to be output at current state values based on the injection amount, a state amount and the reward.SELECTED DRAWING: Figure 5