1404results about "Boiler cleaning apparatus" patented technology

The present invention relates to the technical field of boiler drain treatment, and specifically to a headless full thermal deaerator for collecting boiler drain, comprising: a deaerator, a connecting shell and a base, the connecting shell is located outside the deaerator, the base is located at the bottom of the deaerator and the connecting shell, the end of the deaerator away from the deaerator is fixedly connected with a drain inlet pipe, the drain inlet pipe extends to the inside of the deaerator and is fixedly connected with a drain dispersion head, the inside of the drain inlet pipe and one end close to the drain dispersion head is provided with a guide component, the outside of the drain dispersion head is provided with a drain water separation tray, the end of the drain water separation tray away from the drain dispersion head is provided with a softened water pipeline, the end of the connecting shell close to the deaerator is fixedly connected with a sealing component, the connecting shell is connected to the deaerator through the connecting component, and a buffer component is provided inside the base. The beneficial effects of the present invention are: boiler drain is recycled, the deoxidizer and steam are mixed, the steam consumption for deoxidation is reduced, the thermal efficiency of the boiler is improved, and high efficiency and energy saving are achieved.

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 present invention relates to the technical field of steam heat exchangers, and discloses a heat exchanger device for a steam system, comprising a shell, a mounting plate installed inside the shell, a plurality of pipes installed on the mounting plate, a pipe box installed on one side of the shell, and a partition installed in the pipe box, wherein a protective box is fixedly connected to the outer wall of the pipe box away from the shell, an operating chamber is provided on the side of the protective box away from the pipe box, and a support plate is fixedly connected to the upper end of the inner wall of the operating chamber. This heat exchanger device for a steam system can clean a plurality of pipes separately by arranging an alignment component and a protective component inside the pipe box, so that the inside of the pipe can be flushed more evenly and more cleanly, and no secondary pollution is caused to other pipes; by connecting the alignment component to the connecting component, the rotating mechanism and the moving mechanism, when the alignment component changes the cleaning pipe, the wear between the alignment component and the mounting plate can be reduced, thereby extending the service life.

The invention discloses a natural gas boiler cleaning device, and belongs to the technical field of boiler equipment.The natural gas boiler cleaning device comprises a boiler body and a combustor, the combustor is fixedly connected to one end of the boiler body, a smoke outlet is formed in the other end of the boiler body, a hearth is arranged in the boiler body, the combustor communicates with the hearth, and the combustor communicates with the hearth. The hearth is sleeved with a cleaning mechanism, the cleaning mechanism is slidably connected into the furnace body, one end of the furnace body is fixedly connected with an electric push rod, and the top end of the electric push rod is fixedly connected with the cleaning mechanism. In the using process of the boiler, the internal surface of the boiler can be regularly cleaned, incrustation generated on the inner wall of the boiler is removed, accumulation of the incrustation is delayed, the heat efficiency is improved, energy is saved, the frequency of overall overhauling and cleaning of the boiler during shutdown is reduced, and the production efficiency is effectively improved.

The invention belongs to the technical field of coking high-temperature condensed water recycling, and discloses a high-temperature condensed water recycling device which comprises an expansion tank with a condensed water ingress pipe welded to the inner wall of one side of the bottom, and a first liquid discharge pipe welded to the bottom of the inner wall of one side of the expansion tank. A negative pressure exhaust pipe is welded to the position, over the first liquid drainage pipe, of the expansion tank, a blow-off pipe is welded to the axis of the bottom of the expansion tank, and a blow-off assembly is arranged on the inner wall of the bottom of the expansion tank. The flowing low-temperature gaseous working medium and the high-temperature condensed water are used for heat exchange treatment, the temperature of the high-temperature condensed water can be effectively reduced, the cooled high-temperature condensed water is sent to downstream users to achieve heat recycling, and the heated gaseous working medium can drive the generator to rotate to achieve power generation treatment; and in addition, the high-temperature liquid working medium recycled in the middle process can be used for heat exchange, so that the heat of the high-temperature condensed water can be fully recycled.

The invention belongs to the technical field of steam generator inspection and maintenance, and aims to solve the problems of low shot blasting channel correctness detection, low mixture recovery efficiency, cleaning effect detection and the like in the prior art. The invention discloses an intermediate collector and method for descaling the inner wall of a U-shaped heat transfer pipe of a steam generator, and the intermediate collector comprises a first pipeline, a second pipeline and a third pipeline which are connected in parallel, and is connected with the inlet end of a fourth pipeline; the outlet end of the fourth pipeline is connected with a fifth pipeline and a sixth pipeline which are connected in parallel, the fifth pipeline and the sixth pipeline are connected with a seventh pipeline, and the seventh pipeline is connected with an air blower; the method utilizes the device to realize high-efficiency recovery of the mixture. According to the invention, one-to-one channel detection can be conveniently realized, inconsistency of transmitting and receiving is avoided, and foreign matters are prevented from falling into the system.

The invention discloses a power plant water vapor centralized sampling device and method. The power plant water vapor centralized sampling device comprises a high-temperature and high-pressure sampling valve, a filter, a cooler, a cooler water inlet regulating valve, a cooler water return valve, a pressure reducing valve, a safety valve, an electromagnetic valve and a temperature controller. By means of the arrangement, in actual operation, the problems that a filter of a water vapor centralized sampling device is frequently blocked and cannot be thoroughly washed, and steam is easily discharged during sampling pollution discharge can be solved through the water vapor centralized sampling device. The opening degree of the cooling water inlet regulating valve of the cooler can be automatically regulated according to the temperature of the cooled sample water, so that the flow of the cooling water is reduced, the cooling water is saved, and the water vapor centralized sampling device is more economical and safer to use. Not only is the workload of workers reduced, but also the workers do not need to worry about steam discharge and scald accidents during pollution discharge. Compared with a traditional steam-water centralized sampling system, the safety and the convenience are greatly improved.

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 invention discloses a power plant boiler feed water automatic dosing device, and relates to the field of dosing devices.The power plant boiler feed water automatic dosing device comprises a stirring barrel, a feeding hopper is arranged on the top face of the stirring barrel, and a PLC is arranged on the outer circle wall face of the stirring barrel; through mutual cooperative use of a stirring barrel, a cover plate, a preliminary mixing bin, a first fixing hole, a first connecting pipe, a rotating mixing barrel and a bearing, the effect of dissolving medicine powder can be achieved, caked medicine powder can fall off through a feeding hopper with the side wall almost perpendicular to the side wall, medicine blocks are crushed into small blocks through rotation of a micro auger, and the medicine powder is more uniform. The medicine powder is continuously turned over in the rotary mixing barrel, the caking condition is further eliminated, meanwhile, water is added into the medicine powder, the medicine powder is turned over to make full contact with the water, heating is matched, the dissolving speed is higher, the dissolving effect is better, then the medicine powder is added into the water in the stirring barrel, and the situation that precipitation occurs due to the fact that the medicine powder is not dissolved in time is avoided; and meanwhile, the dissolving effect is ensured, and the device is relatively practical.

A sludge lancing system for use in a steam generator including a no tube lane disposed between a first bank of tubes and a second bank of tubes that are transverse to a horizontal reference plane, having a rail that extends through the no tube lane and includes a longitudinal center axis that lies in a first plane that is parallel to the reference plane, and a first lancing head, having a body portion a conduit, a nozzle assembly that is mounted to the body portion and is pivotable with respect to the body portion about an axis of rotation, the nozzle assembly including a manifold defining a conduit that is in fluid communication with the conduit of the body portion, at least a first nozzle that is mounted to the manifold and defines a conduit that generates a lancing fluid jet, wherein the conduit of the first nozzle lies in a first plane that is transverse to the longitudinal center axis of the rail so that the lancing fluid jet of the first nozzle is disposed in the first plane when the manifold is pivoted about the axis of rotation.

The invention discloses a boiler internal steam-water separator and a using and adjusting method. The boiler internal steam-water separator comprises a main shell, a main cavity is formed in the main shell, a steam-water inlet pipe is fixedly connected to the outer side of the main shell, and a steam outlet pipe is fixedly connected to the outer side of the main shell; by means of the quick connecting mechanism, the steam-water inlet pipe can be quickly and conveniently connected with an external pipeline, meanwhile, tight connection can be guaranteed through traction force of the two spring rods, liquid leakage and steam leakage are effectively prevented, the cleaning brush is driven by the double-rotor motor to rotate on the thin-wire screen plate, and the cleaning efficiency is improved. Impurities possibly attached to the filament screen plate can be automatically removed, smoothness of the steam-water inlet pipe is kept, the operation efficiency is improved, the steam-water separation efficiency is remarkably improved under the combined action of a wind field system composed of fan blades arranged in the steam-water inlet pipe and a double-rotor motor and a shielding cover arranged below the steam-water inlet pipe, and the steam-water separation effect is improved. And the steam-water separation effect is ensured.

The invention relates to the technical field of boiler headers, in particular to an inclined header applied to a reciprocating grate steam boiler, which comprises a boiler main body, a grate is arranged in the boiler main body, a lower header is obliquely arranged in the boiler main body, the lower header clings to the grate, a plurality of water cooling walls are arranged on the outer side wall of the lower header in a communicating manner, and the water cooling walls are communicated with the boiler main body. A drainage pipe is installed on the side wall of the lower collecting box, a collecting box head and a filtering mechanism are installed at the front end of the lower collecting box, the filtering mechanism is arranged in the collecting box head and used for filtering impurities in water, and through arrangement of mechanisms such as a filtering plate, the filtering plate can filter water input into the lower collecting box during use, and the filtering plate can filter the impurities in the water; and when the filter plate filters the impurities, the bristles can rotate to clean the surface of the filter plate, and the situation that the filter plate is blocked and the water passing effect of the lower collecting box is affected due to the fact that many impurities are accumulated on the surface of the filter plate is avoided.

The utility model discloses a self-descaling industrial boiler, and particularly relates to the technical field of industrial boilers, the self-descaling industrial boiler comprises an industrial boiler body, a switch door is arranged on one side of the industrial boiler body, a descaling mechanism is arranged in the industrial boiler body, a chemical feeding mechanism is arranged on one side of the industrial boiler body, and the descaling mechanism comprises a threaded rod. The threaded rod is arranged in the industrial boiler body, a motor is fixedly installed at one end of the threaded rod, a threaded sleeve is in threaded connection with the outer side of the threaded rod, and a movable ring is arranged on the outer side of the threaded sleeve. Through the arrangement of the descaling mechanism, a threaded rod rotates to enable a threaded sleeve and a movable ring to move, scale on the inner wall of the industrial boiler body is scraped through a connecting rod, the scale on the inner wall of the industrial boiler body can be automatically removed, meanwhile, scraping through a scraping plate and brushing through a brushing plate are carried out at the same time, the descaling effect is good, and the practicability is high. The cleaning efficiency is improved, and the use is simpler and more convenient.

Provided in the present invention are an adjustment system of a water supply thermal storage type thermoelectric generating set, and a design method and operation method therefor. The adjustment system comprises a high-pressure regenerative system, which is provided with a water supply outlet and a water drain outlet, wherein the water supply outlet is connected to a boiler by means of a water supply pipe; and a working medium heat storage system, which is connected to the water supply outlet or the water drain outlet by means of a water intake pipe, and is connected to the water supply pipe by means of a water output pipe. High-temperature supplied water or high-temperature drained water outputted from the high-pressure regenerative system is subjected to heat storage by means of the working medium heat storage system, and the working medium heat storage system can be decoupled or adjustably coupled between the high-pressure regenerative system and the boiler. When a load needs to be rapidly adjusted, the high-pressure regenerative system is decoupled from the boiler, the working medium heat storage system is used to supply water to the boiler so as to increase the feedwater flow and thermal load, and the feedwater flow of the working medium heat storage system is adjusted in combination with the maximum load lifting rate and the maximum load rate adjusting range of the thermoelectric generating set.

The utility model discloses a municipal engineering tubular steam generator, and relates to the technical field of steam generators. The tubular steam generator comprises a tubular steam generator body, a water inlet pipe is fixedly connected to the top of the tubular steam generator body, a steam pipe is fixedly connected to the top of the tubular steam generator body, and a heating pipe is fixedly connected to the bottom of the tubular steam generator body. The top of the tubular steam generator body is fixedly connected with a motor, and an output shaft of the motor is fixedly connected with a reciprocating lead screw. Through cooperation of the spring, the protruding block, the abutting block, the L-shaped knocking block and the arc-shaped scraping ring, resetting of the spring can drive the fixing block, the L-shaped knocking block and the abutting block to reset, so that the L-shaped knocking block knocks the arc-shaped scraping ring, dirt, including hard and stubborn dirt, attached to the inner wall of the tubular steam generator body is more effectively scraped away, and the service life of the tubular steam generator is prolonged. And the operation efficiency of the equipment is ensured.

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 steam generator with the cleaning assembly comprises a fixing frame and a body, and the middle of the top surface of the fixing frame is connected with the body in a penetrating mode. A motor box is fixedly mounted in the middle of the top surface of the body, a driving motor is fixedly mounted in the motor box, and the output end of the driving motor penetrates through the surface of one side of the body and is fixedly connected with a rotating rod; locking assemblies are symmetrically arranged on the surface of the top of the connecting rod; wherein the locking assembly comprises a connecting block fixedly connected with the connecting rod, by arranging the locking assembly, the connecting rod and the scraper which are soaked in water for a long time can be replaced, and therefore the situation that the inner wall of the interior of the body cannot be effectively cleaned due to the fact that the connecting rod and the scraper are prone to being damaged after being used for a long time is avoided; and meanwhile, by arranging a driving gear and a driven gear, the inner wall can be better cleaned, and therefore the heating efficiency of the water source is improved.

The invention relates to the technical field of steam generators, in particular to a steam generator and a using method.The steam generator comprises a combustion mechanism, the combustion mechanism comprises exchange assemblies, end plates, spiral blades and matching rods, the two end plates are symmetrically arranged in the vertical direction, and the multiple exchange assemblies are arranged between the two end plates in the vertical direction in an array mode; the exchange assembly comprises an outer sheath, two linkage sleeves and two exchange discs, and the outer sheath, the linkage sleeves and the exchange discs are coaxially arranged from outside to inside; the waste heat utilization mechanism is arranged on one side of the combustion mechanism and comprises a treatment box and a coiled pipe arranged in the treatment box; and the connecting mechanism is used for connecting the combustion mechanism and the waste heat utilization mechanism and comprises a gas conveying pipe, a water conveying pipe and a cross plate, according to the steam generator, workers can conveniently clean dirt in the steam generator, the production cost is reduced, meanwhile, the steam generator can be adjusted according to actual factors, and practicability is good.

The invention discloses an automatic dosing control method and system based on fouling thermal resistance, and belongs to the technical field of circulating water treatment.The method comprises the following steps that historical data of circulating water and water quality parameters monitored in real time are obtained, training historical data and water quality parameters by utilizing regression, SVM (Support Vector Machine) or a decision tree computer learning model, and calculating a fouling thermal resistance value in real time; according to the relation between the fouling thermal resistance value and the preset thermal resistance critical value, chemical adding is automatically controlled and adjusted, chemical concentration changes and fouling thermal resistance value changes are monitored in real time, a chemical adding strategy is controlled and adjusted in real time, and a water quality and strategy report is generated. According to the automatic dosing control method and system based on the fouling thermal resistance, intelligent management of circulating water can be achieved, the water treatment efficiency and the operation safety of equipment are improved, and remarkable economic and social benefits are achieved.

The invention relates to the technical field of boilers, in particular to a saturated dual-purpose steam boiler and a flue structure thereof.The saturated dual-purpose steam boiler comprises a first boiler used for combusting fuel to generate smoke and converting liquid water into steam through heat exchange; the second boiler is used for burning fuel to heat the saturated steam into superheated steam; the smoke outlet is used for discharging smoke generated by the boiler; the communicating flue is used for guiding flue gas of the second boiler into the first boiler; the steam-water separator is used for separating water drops in the steam to obtain purer and dry saturated steam; the water draining module is used for draining condensed water separated by the steam-water separator and preventing steam leakage at the same time; the water supply module is used for conveying water to the first boiler and the second boiler; and the overpressure discharge module is used for discharging overheated steam to reduce the pressure in the second boiler. The steam generator has the beneficial effects that saturated steam and superheated steam under different working conditions can be produced, local vortex caused by direct hedging of smoke can be prevented, one smoke outlet is shared, and the applicability is improved.

The invention relates to the technical field of steam exhaust recycling and reusing and steam compression, in particular to a steam absorbing and revaporizing device which mainly comprises a water pump (1), a two-stage ejector and a steam-water separator (6), and the two-stage ejector is composed of a first ejector (3) and a second ejector (5). The water pump, the steam-water separator and the two-stage ejector are sequentially connected, an outlet of the two-stage ejector is connected with an inlet of the water pump to form a circulating system, the circulating system is provided with a steam suction inlet (4), a steam outlet (6.5) and a bypass pipe (2), one end of the bypass pipe is connected with the outlet of the water pump through a tee joint, and the other end of the bypass pipe is connected with the steam inlet. And the other end of the bypass pipe is connected with one injection inlet of the two-stage ejector. According to the steam pressurization technology, low-temperature and low-pressure steam is firstly mixed into medium-high-pressure circulating water to be liquefied, and then the liquefied steam is vaporized in a steam-water separator.

The utility model discloses an expansion blowdown device, and particularly relates to the technical field of flash tanks, the expansion blowdown device comprises a tank body, the outer bottom surface of the tank body is fixedly provided with a drain pipe, one side of the outer surface of the tank body is fixedly provided with a sewage pipe, and the outer surface of the sewage pipe is fixedly provided with a filter box. According to the capacity-expanding blowdown device, in actual work, the first motor drives the gear to rotate, when the side, provided with teeth, of the gear is meshed with the rack, the rack can be pushed to ascend, then the rack can extrude the first spring, the cleaning plate can ascend along with ascending of the rack, and when the gear continues to rotate, the cleaning plate can be driven to ascend along with ascending of the rack. When the side provided with the teeth is not meshed with the rack, under the action of the first spring, the rack can be pushed to descend, then the cleaning plate can descend, and along with continuous rotation of the gear, the rack can reciprocate, so that the cleaning plate can reciprocate up and down, and dirt attached to the inner wall can be conveniently cleaned.

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 relates to the field of boiler soot blowers, in particular to a boiler soot blower drain water recycling device and a generator set, the boiler soot blower drain water recycling device comprises a drain water pipeline arranged on a soot blower, an air heater drain water tank, a primary air heater steam supply pipeline, a primary air heater, a check valve and a temperature control valve, one end of the check valve is connected with the drain pipeline, the other end of the check valve is connected with one end of the temperature control valve, the first end of the steam air heater drain tank is connected with the other end of the temperature control valve, the other end of the temperature control valve is further connected with the first end of the primary air steam air heater steam supply pipeline, and the second end of the primary air steam air heater steam supply pipeline is connected with one end of the primary air steam air heater. And the other end of the primary air heater is connected with the second end of the air heater drain tank. According to the boiler soot blower drain water recycling device, working media and heat can be recycled, and the economical efficiency of a unit is improved.

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 utility model belongs to the technical field of boiler blow-off, and particularly relates to a novel automatic blow-off device for a waste heat power generation boiler, which comprises blow-off pipelines, a control system, a detection device, a sampling pipeline and an electric valve, a plurality of blow-off pipelines are connected onto the waste heat boiler, and the sampling pipeline is also connected onto the waste heat boiler. An electrically operated valve is arranged on each blow-off pipeline, the detection device is connected to the sampling pipeline, the electrically operated valves and the detection device are electrically connected with the control system, and the electrically operated valves are sequentially and circularly opened. The detection device reflects the state of boiler water in the boiler in real time, when impurities in the boiler are increased to a certain value, the detection device feeds back a signal to the control system, and the control system controls the electric valves on the blow-off pipelines to be sequentially and circularly opened for blow-off. The pollution discharge efficiency is greatly improved, and the safe operation of boiler equipment is guaranteed.

The invention discloses a boiler regular drainage sewage heat energy recovery system, the system comprises a cold end system and a hot end system, the cold end system comprises: a pressurization device for pressurizing water flow in the system; the heat exchange equipment is connected to the pressurizing equipment and is used for recovering heat energy of the sewage water and carrying out heat exchange; the butt joint port is communicated with the heat exchange equipment and is used for transferring heat of fluid; the cold and hot end system comprises a boiler barrel sewage discharging system connected to the heat exchange equipment and used for providing a heat source; the water tank is connected to an outlet of the heat exchange equipment and used for storing the cooling water subjected to heat exchange; pressurizing the dewatering treatment equipment through a water pump; by comprehensively utilizing heat energy in sewage and optimizing water resource management, the energy utilization efficiency, the operation stability and the environmental protection property of the boiler are effectively improved, and the operation cost is reduced.

The invention discloses a boiler dirt cleaning device, and relates to the technical field of boiler maintenance, the boiler dirt cleaning device comprises a moving mechanism, a cleaning mechanism and a liquid spraying mechanism, the moving mechanism comprises a mounting cylinder, a first motor, a second motor and moving wheels, mounting grooves are uniformly distributed in the periphery of the mounting cylinder, and the moving wheels are driven by the first motor to contract or extend to the mounting grooves; the second motor drives the moving wheels to move in the boiler pipeline. The cleaning mechanism comprises a rotating disc, a plurality of cleaning shovels and a motor III, the cleaning shovels are uniformly distributed on the edge of the rotating disc, and the motor III drives the cleaning shovels to spirally move in the boiler pipeline and remove stubborn dirt in the boiler pipeline; the liquid spraying mechanism comprises a liquid spraying head, the liquid spraying head is arranged in the middle of the front portion of the mounting cylinder, and during cleaning, cleaning liquid is sprayed to the inner wall of the boiler pipeline through the liquid spraying head, and stubborn dirt in the boiler pipeline is washed and dissolved. The device has the advantages of being reasonable in scheme design, ingenious in structural design and convenient to use.

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.