427 results about "Soot blower" patented technology

The invention belongs to the field of artificial intelligence, particularly relates to a boiler soot blower fault diagnosis method and device based on deep learning driving, and aims to solve the problems that traditional manual inspection and threshold alarm response is lagged, the false alarm rate is high, and expert experience is relied on. The method comprises the following steps: constructing a multi-modal data fusion architecture, synchronously collecting sensor time sequence data, voiceprint signals and execution mechanism logs, inputting the data into a multi-branch feature extraction network after time-space alignment and normalization, respectively extracting spatial anomaly, time sequence evolution and spectrum features, and dynamically fusing through a cross-modal gating mechanism to generate a joint representation vector; a self-adaptive small sample diagnosis model is input, and cross-domain generalization and fault type discrimination are realized in combination with a meta-learning framework; and finally deducing a fault trend by an evolution prediction sub-module. According to the method, the diagnosis real-time performance, accuracy and perspectiveness are remarkably improved, the unplanned shutdown risk is reduced, safe and stable operation of the thermodynamic system is guaranteed, and good engineering compatibility and interpretability are achieved.

The invention provides a speed regulation purging control method and system for a steam soot blower, and relates to the technical field of steam soot blower control. Stroke position data of a soot blowing gun barrel and a current signal of a driving motor are obtained and synchronously associated, and the speed regulation purging control method and system for the steam soot blower can be realized on the basis of data collected in a plurality of purging cycles. And identifying current anomalies which appear for multiple times at the same stroke position and have consistent current amplitudes and change forms, and identifying the stroke position as a fixed mechanical resistance position. For each fixed mechanical resistance position, a dynamically adjustable mechanical resistance reference value is determined. In the real-time purging process, according to the mechanical resistance reference value, the actual coking resistance signal value is obtained through separation from the total current value of the driving motor, and therefore the purging parameters of the soot blower are adjusted, the service life of the soot blower nozzle and the boiler heating surface can be remarkably prolonged, the operation cost is reduced, and the energy consumption is reduced. And intelligence and refinement of soot blower control are realized.

The invention belongs to the technical field of boiler waste heat, gas and pressure utilization, and particularly relates to a lifting type intelligent soot blowing system and method for low-temperature area deposited soot, and the soot blowing system comprises a primary air pressurization soot blowing system, a vertical guide rail advancing soot blower and an intelligent control module. And the intelligent control module uses a blockage prediction intelligent algorithm and a dynamic soot blowing strategy. The primary air pressurization soot blowing system leads out part of dust-free primary air from an outlet of a boiler air pre-heater to serve as soot blowing primary air, and the dust-free primary air is conveyed to a lifting soot blower driven by a vertical guide rail after being pressurized to 0.5-0.8 MPa. The primary air pressurization soot blowing system is deeply coupled with the low-temperature economizer warm flue gas system, primary air is used as a soot blowing medium, the temperature of the soot blowing medium is about 320-350 DEG C, ammonium bisulfate condensate can be effectively dried and removed, and fly ash adhesion is reduced; and the soot blowing coverage rate reaches 100%, soot blowing according to needs is achieved, and the operation stability and economical efficiency of the unit are remarkably improved.

The invention belongs to the field of artificial intelligence, particularly relates to a boiler soot blower strategy adaptive optimization system based on reinforcement learning, and aims to solve the problems of low energy efficiency and equipment wear caused by difficulty in collaborative optimization of soot blowing opportunity, position and strength in an existing soot blowing strategy. The system comprises a boiler operation state sensing module, a soot formation state evaluation module, a reinforcement learning decision engine module, a soot blowing execution control module and a feedback learning closed loop module, the soot formation state is quantified through multi-source data fusion, a multi-target optimization soot blowing strategy is generated through layered reinforcement learning, and strategy online evolution is achieved based on a feedback closed loop. According to the system, the heat efficiency is remarkably improved, the energy consumption and the maintenance cost are reduced, and the adaptivity and robustness of soot blowing control are enhanced.

The invention relates to a high-frequency millimeter-wave radar flue dust deposition online monitoring method and system, and belongs to the technical field of industrial process detection.The monitoring method comprises the steps that a flue three-dimensional structure model is loaded, working parameters of a millimeter-wave radar are configured, and a radar scanning space coordinate system is generated; controlling the millimeter-wave radar to transmit a frequency-modulated continuous wave signal; performing temperature drift compensation on the ash deposition layer reflection signal, and outputting a compensated radar signal intensity matrix; solving a flow field distribution equation in combination with the flue three-dimensional structure model, calculating a flow field turbulence intensity coefficient, and generating a radar signal correction mapping table; calculating the ash deposition thickness of each space coordinate point based on the signal propagation time delay, and outputting an ash deposition thickness distribution map; and extracting a thickness gradient feature vector and a Doppler frequency shift feature in the soot deposition thickness distribution diagram, inputting the thickness gradient feature vector and the Doppler frequency shift feature into a soot deposition state classification model, outputting a soot deposition abnormal region coordinate set, and generating a soot blower control instruction or a maintenance alarm instruction. According to the invention, the ash deposition monitoring precision and stability can be improved.

The invention relates to the technical field of soot blowing devices, and discloses a boiler superheater soot blowing device which comprises a pipeline system provided with a main pipe and branch pipes, the main pipe is distributed along the X axis and arranged on one side of the bottom of an in-boiler superheater, and the branch pipes are distributed along the Y axis, welded to one side of the main pipe and communicated with the main pipe; the ends, away from the main pipe, of the branch pipes extend to the bottom of the boiler superheater, a plurality of air holes with upward openings are formed in the surfaces of the branch pipes in the Y-axis direction at equal intervals, every two adjacent air holes form a group, and the two air holes in each group incline relatively to form an included angle. When the smoke passes through the smoke channel, the smoke collides and diffuses at the vertex of the included angle to form an air bed, so that the passing smoke is always in a boiling state and cannot be deposited; through the unique air hole collision design and the knocking system, by means of a turbulence area formed by collision airflow and vibration sonic boom, smoke dust is effectively removed and prevented from being deposited, and the risk of dust deposition is reduced.

The utility model belongs to the technical field of wallboard processing equipment, and particularly relates to a soot blower for a wallboard perforating machine, which comprises a workbench, a processing frame and a placing station for placing a wallboard are arranged on the top surface of the workbench, the wallboard is placed on the placing station, a second air cylinder drives a drilling cutter to perforate the wallboard, a first air cylinder pushes the second air cylinder, and the first air cylinder drives the second air cylinder to perforate the wallboard. A drilling cutter can drill a plurality of holes in a wallboard on the same straight line, after drilling is completed, a draught fan is driven, airflow generated by the draught fan sequentially passes through an air inlet pipe, a shrinkage pipe and a conveying pipe and is finally diffused through a diffusion pipe, dust on the wallboard is blown away by the airflow and blown into a material collecting box, and a fourth air cylinder can push a frame plate to drive a material blowing piece to move. A fourth air cylinder pushes a frame plate to do reciprocating motion once on a material cleaning frame, so that dust on the surface of the wallboard is better cleaned; compared with the prior art, the surface of a punched plate can be cleaned, and the punching quality can be improved.

The utility model relates to the technical field of pipeline coatings, in particular to a quick coating device for an anticorrosive coating on the surface of a high-pressure pipeline, which comprises a track, a movable flat car is arranged on a track body, and a soot blower, a spraying device and a drying device are sequentially arranged behind the flat car and positioned above the track; two horizontal sliding table modules are symmetrically arranged on the top face of the flat car body, clamping assemblies are symmetrically arranged on bodies of the two horizontal sliding table modules, and pneumatic claws of the two clamping assemblies stretch into inner cavities in the two ends of a pipeline in the horizontal axial direction to clamp and fix the pipeline. A belt pulley A of the clamping assembly is in vertical transmission connection with a belt pulley B arranged in the vertical direction through a belt, the belt pulley B is connected with a motor A through a rotating shaft, and the motor A is used for driving a pneumatic claw to rotate. According to the coating device, the pipeline can automatically rotate after being clamped, the spraying efficiency is improved, meanwhile, the arched soot blowing device is additionally arranged, and the spraying quality is improved.

The utility model provides a supporting and hanging structure of a boiler soot blower, and belongs to the technical field of boiler equipment. A third connecting rod is arranged at the top of a second connecting plate, a second sliding block is arranged at the other end of the third connecting rod, first connecting rods are arranged at the two ends of the second sliding block, and connecting rotating blocks are arranged at the two ends of the first connecting rods. A first sliding block is arranged at the other end, connected with the rotating block, of the end, away from the second sliding block, of the first connecting rod, a top supporting rod is arranged at the top of the first sliding block, and a motor drives a lead screw in the top supporting rod to rotate, so that the first sliding blocks on the two sides in the top supporting rod generate outward or inward displacement changes; a first sliding block is connected with a first connecting rod through a connecting rotating block, and then a second sliding block is driven to slide on a second connecting rod, so that a third connecting rod and a second connecting plate are driven to perform lifting operation, and a rotating rod plays an important role in stabilizing the bottom of a supporting box in the equipment lifting and moving process.

The utility model discloses a movable dead-corner-free efficient soot blower which comprises an air supply mechanism, a transmission mechanism and a driving mechanism, and the air supply mechanism is L-shaped on the whole and comprises an air blowing pipeline and an air suction mechanism; the transmission mechanism comprises a connecting gear, a movable pulley, a transmission control box and a supporting device. The orientation wheel disc and the movable pulley are arranged at the lower end of the soot blowing device, so that the problems that in the prior art, the soot blowing force of a fixed machine position is obviously attenuated along with the distance, dead angles which cannot be in place exist, local soot deposition is serious and the like are solved, the soot cleaning effect of the boiler device is improved, and the service life is prolonged. And the labor cost for manually cleaning dead angles of the boiler is reduced.

The utility model discloses a sound wave soot blower for electrostatic precipitator, it includes the casing, one end fixed mounting of casing has compressed gas source, one side of compressed gas source is provided with main gas pipe, be provided with a plurality of different length's branch gas pipe on main gas pipe, one end of a plurality of branch gas pipe all is fixedly installed with intelligent control valve all to the shell and is all downward, the lower end fixed mounting of intelligent control valve has variable frequency formula resonant cavity sound wave generator, the lower end fixed connection of variable frequency formula resonant cavity sound wave generator has directional sound wave sound signal horn, directional sound wave sound signal horn is located the top of dust collecting electrode, through the branch gas pipe of different length to directional sound wave sound signal horn and variable frequency formula resonant cavity sound wave generator form asymmetric interval distribution, effectively reduced the sound wave interference between each electric field.

The utility model provides an independent circulation pipeline evaporator which comprises an ascending pipe connected to a steam pocket; the first evaporation screen is communicated with the ascending pipe through a first ascending communicating pipe, the first evaporation screen comprises a plurality of first pipe pieces, and the first pipe pieces are arranged on two flues in parallel; each first duct piece is arranged in a bow shape in the vertical direction, so that the heating area of each first duct piece is increased, and meanwhile, a steam soot blower can penetrate through each first duct piece and carry out decoking and soot cleaning on each first duct piece; the first descending communicating pipe is connected between the first evaporation screen and a descending pipe, and the descending pipe is connected to the bottom of the steam pocket and used for conveying water in the steam pocket to the first descending communicating pipe and then conveying the water to the first evaporation screen. The problems of overtemperature and high-temperature corrosion of the superheater mentioned in the background technology are solved.

The utility model relates to the technical field of research, development and design of preheating devices, in particular to a soot blower for an air preheater and the air preheater, which comprises an air cabin with an air chamber inside, a first through hole for compressed air to enter the air chamber is arranged at one end of the air cabin, and a second through hole for compressed air to enter the air chamber is arranged at the other end of the air cabin. A first through hole for compressed air to flow out from the air chamber is formed in one end of the air chamber, a second through hole for compressed air to flow out from the air chamber is formed in the other end of the air chamber, and the compressed air enters the air chamber from the first through hole and then flows out from the second through hole. In addition, the total cost of the whole air preheater is controlled, the economical efficiency of equipment is improved, maintenance and replacement are more convenient and faster, due to the fact that the number of formed parts is small, potential fault points are reduced accordingly, the soot blower is more stable and reliable during operation, and economic losses caused by equipment faults are reduced.

The boiler for treating the silicon-containing waste gas comprises a vertical boiler body, a high-temperature cavity and a medium-low-temperature cavity are sequentially formed in the boiler body in the smoke flowing direction, and the high-temperature cavity and the medium-low-temperature cavity are vertically arranged side by side in the horizontal direction; the high-temperature cavity and the medium-low-temperature cavity are defined by membrane type walls, and shock wave soot blowers are arranged in the high-temperature cavity and the medium-low-temperature cavity. According to the boiler for treating the silicon-containing waste gas, sedimentation of silica fume is achieved through the membrane type wall and the shock wave soot blower, the silica fume is prevented from depositing and scaling in a high-temperature area, in addition, the membrane type wall and the shock wave soot blower adopt different silica fume removing modes, on the premise that a heated surface is not damaged, efficient removal of the silica fume in the boiler is completed, and the service life of the boiler is prolonged. And the membrane wall is matched with the shock wave soot blower to periodically carry out soot cleaning operation on the interior of the boiler and can be matched with the discharge valve to discharge silica fume, so that automatic soot cleaning is realized, and long-term stable operation of the boiler is ensured.

The utility model discloses a thermal power plant boiler soot blower pipeline connecting structure which comprises a soot blower pipeline and a boiler pipeline, the soot blower pipeline is arranged on one side of the boiler pipeline, the outer wall of one end of the soot blower pipeline is communicated with a variable-diameter pipeline in a welding mode, the section of the variable-diameter pipeline is of an isosceles trapezoid structure, and the section of the variable-diameter pipeline is of an isosceles trapezoid structure. A rubber pad is bonded to the outer wall of the variable-diameter pipeline, the thickness of the rubber pad is 5 mm, and a steel wire is embedded in the rubber pad. The innovative design that the cross section of the variable-diameter pipeline is in the shape of the isosceles trapezoid is adopted, the unique structure endows the connecting structure with strong adaptive capacity, after the variable-diameter pipeline is inserted into the boiler pipeline, the rubber pad adhered to the outer wall of the variable-diameter pipeline can be tightly extruded with a port of the inner wall of the boiler pipeline, and the variable-diameter pipeline can be in butt joint with boiler pipelines with different calibers. The universality and the market adaptability of the product are greatly improved, and the installation limitation and the cost caused by the caliber difference of the boiler pipeline are reduced.

The invention provides an ash deposition prevention heat exchange system and method capable of adjusting a flue gas through-flow section, belongs to the technical field of flue gas treatment of coal-fired units, and can at least partially solve the problems that an existing baffle door is complex in structure, prone to jamming and air leakage, high in maintenance cost and prone to causing uneven airflow and local ash deposition; a traditional soot blower is high in energy consumption and limited in effect, and possibly causes tube bundle abrasion. In order to solve the problems that a heat exchanger with a fixed section cannot dynamically adjust the through-flow section and the flow velocity is insufficient during low load, the heat exchanger comprises a flue, the flue is provided with a section air bag assembly, a heat exchange assembly, an air path control module and a DCS control module, and by arranging the section air bag assembly capable of controlling expansion in the flue and combining a partition heat exchange structure and DCS closed-loop control, the heat exchange efficiency is improved, and the heat exchange efficiency is improved. Dynamic adjustment of the flue gas through-flow section is achieved, the flue gas flow speed under the low-load working condition is effectively increased, fly ash deposition is restrained, and ash deposition and performance degradation of a heat exchange assembly are slowed down.

The invention discloses a soot blower control method and device, a storage medium and computer equipment, and relates to the technical field of air pre-heater maintenance. The method is used for controlling a soot blower of the air pre-heater and comprises the steps that when the soot blower runs, the blowing air pressure value of the soot blower and the real-time opening value of a control valve of the soot blower are monitored, and the blowing air pressure value is compared with a preset air pressure upper limit value; when the blowing air pressure value is lower than the air pressure upper limit value, an air pressure difference value between the blowing air pressure value and a preset air pressure set value is calculated, and a control valve opening target value of the control valve is determined based on the opening value and the air pressure difference value; and adjusting the opening degree of the control valve of the soot blower according to the control valve opening degree target value, so that the opening degree value of the control valve is maintained at the control valve opening degree target value, and the blowing air pressure value of the soot blower approaches to the air pressure set value. According to the scheme, the soot blowing effect on the air pre-heater can be improved.

The utility model relates to the technical field of soot blowing, in particular to a high-cleanliness shock wave soot blower which comprises a soot blower body, a bearing ring is arranged on the inner wall of an exhaust port in the soot blower body, a turning plate is hinged to the bearing ring through a torsional spring hinge, a plurality of buffering holes are formed in the bearing ring in the circumferential direction, and the buffering holes are formed in the blowing direction of airflow. The hole depth of each buffering hole is gradually reduced in the direction away from the hinged position of the turning plate and the bearing ring in the circumferential direction, sealing rings used for sealing the buffering holes are arranged on the bearing ring, a sliding plug slides in each buffering hole, a pressure spring is supported between each sliding plug and the corresponding sealing ring in a jacking mode, and the sliding plugs penetrate out of the buffering holes in a sliding mode and are used for abutting against the turning plate. The soot blower has the advantage that the possibility that impurities in the boiler fly into the soot blower, and then the cleanliness of the interior of the soot blower is affected is reduced.

The utility model relates to the technical field of soot blowers, and discloses a boiler soot blower which comprises a boiler shell and an ultrasonic generation assembly fixedly installed on the outer side of the boiler shell through a supporting seat, a loudspeaker is rotatably installed on the inner side of the boiler shell through a hinged support, a connecting base is fixedly installed on the inner side of the boiler shell, and the connecting base is fixedly connected with the ultrasonic generation assembly. The inner side of the connecting base is rotationally connected with a threaded transmission rod through a transmission assembly, the periphery of the threaded transmission rod is connected with an adjusting rod in a threaded fit mode, the top of the adjusting rod penetrates through a limiting shell at the top end of the connecting base and is slidably connected with the inner side of the limiting shell, and the top end of the adjusting rod is hinged to the bottom of a loudspeaker through a sliding assembly. A pipeline installer is fixedly installed in the boiler shell, and one end of the pipeline installer communicates with the ultrasonic generation assembly. The boiler soot blower has the advantages that the angle of the soot blowing pipe can be changed, and the overall soot blowing effect of the boiler soot blower is improved.

The utility model discloses a dust blowing device for a diaphragm sealing fin, which belongs to the field of diaphragm sealing fin production and comprises a workbench, a transmission mechanism and a dust blowing mechanism. The conveying mechanism comprises a first motor, two rotating shafts, two rotating wheels and a transmission belt, the two rotating shafts are arranged on the two vertical plate sets correspondingly, the two rotating wheels are installed on the two rotating shafts correspondingly, and the two rotating wheels are in transmission connection through the transmission belt. A plurality of vertical rods are evenly arranged on the transmission belt at intervals, and protrusions are arranged on the vertical rods. And transmission of the transmission belt is matched with limiting of the limiting plate and the workbench, so that the dust-blown leather film sealing piece can fall into the first collecting groove on the same side of a worker under the action of gravity, the worker can quickly recycle the dust-blown leather film sealing piece conveniently, and the operation convenience and the working efficiency are effectively improved.

The utility model relates to a boiler soot blower with riding wheels, which belongs to the technical field of boiler soot blowers and comprises a beam box, a rack, a movable gear box, a lifting valve, an inner pipe, an outer pipe, a speed reducing motor, a transmission gear, a chain and a blowing nozzle. A pair of racks are arranged on the beam box, a movable gear box moving linearly on the beam box in a limiting mode is meshed with the racks, a lifting valve is installed on the outer side of the beam box, an exhaust port of the lifting valve is communicated with the inner pipe, the inner pipe is sleeved with an outer pipe in a communicated mode, and the outer pipe and the movable gear box rotate. And the other end of the outer pipe is communicated with the blowing nozzle. According to the boiler soot blower with the riding wheel, when the riding wheel lifts and supports the outer pipe to rotate and move, along with surface abrasion of the riding wheel, the riding wheel is adaptively adjusted to be attached to the outer pipe through the adjusting structure, locking and fixing after adjustment are achieved through the locking assembly, particulate matter on the surface of the outer pipe is cleaned through the cleaning assembly, and accelerated abrasion of the particulate matter is avoided; and the lifting effect is ensured.

The present application relates to a kind of alkali recovery furnace water washing process, the process includes the following steps: step one: after alkali recovery furnace shutdown, open disc valve, plug valve and hearth furnace door, carry out hearth cooling;Step two: after cold furnace, washing water is pumped to alkali recovery furnace soot blower by feed water pump, by soot blower flushes the surface of heat exchange element, and the slagging and coking material therein is cleaned up completely;Washing waste water is recycled by dissolving tank and venting tank;Step three: after washing furnace, by hot air into air supply system, air draft system exhaust, dry hearth and heat exchange element;Step four: after drying furnace, in chute pouring castable, repair the part that is washed away by combustion melt and washing water, a kind of alkali recovery furnace water washing process designed by the present application can conveniently clean ash and remove coke with high efficiency, good effect, can effectively guarantee the cleanliness of heat exchange element, improve alkali recovery furnace operating efficiency.

The utility model discloses reciprocating type steam cleaning soot blowing equipment, and relates to the technical field of soot blowers, a second gear is driven by a rotating motor, a first gear meshed with the second gear is driven to enable a rotating ring to rotate, meanwhile, a guide hole seat limits rotation of the rotating ring, and then an air injection pipeline is promoted to generate reciprocating rectilinear motion through threaded connection. Steam enters the air injection pipeline through the steam generation device, the steam hose and the rotary sealing connector and is sprayed out of the air injection holes in the circumferential side of the front end to purge accumulated dust. A mounting plate support, a supporting plate support, moving wheels and a support facilitate movement and adjustment of equipment, a steam hose containing bin arranges hoses, and stability and operation convenience are enhanced through an inclined strut and a handle. The equipment has the advantages of being high in cleaning efficiency, accurate and controllable in air injection position, suitable for complex working environments, easy to operate and use and the like, and has remarkable advantages compared with traditional soot blowing equipment.

The utility model discloses a soot blower for a denitration catalyst, which relates to the field of flue gas purification and comprises a flue, a plurality of bosses are arranged at the bottom of the flue, ventilation pipelines are arranged in the bosses in a penetrating manner, the top ends of the ventilation pipelines are positioned in the flue, and a heat exchange pipeline is arranged between the top ends of the two ventilation pipelines; a sealing mechanism is arranged between the bottom of the boss and the ventilation pipeline, and a pipeline support assembly is arranged on the outer side of the bottom end of the ventilation pipeline. A support is arranged below any ventilation pipeline, a plurality of denitration catalyst soot blowing pipelines are arranged in the support, and gas pipe joints are arranged at the ends of the denitration catalyst soot blowing pipelines. The heat exchange pipeline is formed by connecting a plurality of pipe sections end to end, and each pipe section is of a wavy structure. According to the utility model, a manner of combining preheating denitration purge compressed air with acetylene ash removal is adopted, so that the phenomenon of ash accumulation and blockage on the surface of a denitration catalyst surface can be solved from the source, and further, the facility treatment is smoother, and the glass production is more stable.

A rake type soot blower capable of preventing soot deposition comprises a blowing pipe and a nozzle arranged on the blowing pipe, the blowing pipe is arranged above a catalyst protection layer, the nozzle used for spraying airflow is arranged on the blowing pipe, a soot scraping plate is arranged at the front end of the blowing pipe, a bristle assembly is arranged below the scraping face of the soot scraping plate, and the bristle assembly is connected with the blowing pipe. And the bristle assembly is in contact with the surface of the catalyst protection layer. According to the rake type soot blower, the soot scraping plate is arranged at the front end of the blowing pipe of the rake type soot blower, so that accumulated soot on a catalyst protection layer is effectively cleaned, meanwhile, large thick dust is preliminarily cleaned, residual dust is further cleaned through the bristle assembly below the soot scraping plate, and a soot layer attached to the surface of the catalyst protection layer is disturbed; dust can be blown away by airflow sprayed out of the nozzle more easily, accumulated dust on the catalyst protection layer can be cleaned more efficiently, the flue gas purification efficiency is improved, and the service life of the catalyst protection layer is prolonged.

The invention discloses a high-pressure water soot blower convenient to adjust and a control method thereof, and particularly relates to the technical field of soot blowers.The high-pressure water soot blower convenient to adjust comprises a soot blowing box and a connecting plate and further comprises a driving part, the driving part comprises a moving box, a moving pipe is rotationally connected into the moving box, and an adjusting part comprises an adjusting head which communicates with the moving pipe; two symmetrically-arranged spray heads are rotationally connected into the adjusting head, a limiting mechanism is arranged between the adjusting head and the spray heads, when the movable pipe enters the pipe box from the outside, each spray head swings in the direction away from the movable box, and when the movable pipe moves outwards from the interior of the pipe box, each spray head swings in the direction close to the movable box. And the limiting mechanism can limit different swing positions of the spray head, soot blowing dead angles on the inner wall of the heat transfer pipe can be eliminated, and meanwhile the service life of the spray head is prolonged.

The utility model discloses an electric dust removal steam air heater, which relates to the technical field of electric dust removers of thermal power plants, and comprises a steam main pipe, an air inlet of the steam main pipe is connected with a cold reheat steam source of the thermal power plant, the steam main pipe is connected with a plurality of steam branch pipes, and each steam branch pipe is connected with a steam heater; a drain pipe of the steam heater is connected into a soot blower of a selective catalytic reduction reaction area of the thermal power plant; the device further comprises a blowing air main pipe, one end of the blowing air main pipe is connected with the draught fan, the blowing air main pipe is connected with a plurality of blowing air branch pipes, and each blowing air branch pipe is connected with an air inlet of one steam heater. And a plurality of porcelain bushing heating air pipes are arranged at an air outlet of the steam heater, are connected into a dust removal chamber of the electric dust remover and are used for blowing insulating porcelain bushings of all electric fields in the dust removal chamber with hot air. According to the utility model, the technical problems of insufficient capacity, unstable electric field operation and high maintenance cost in the prior art are solved.

The present disclosure provides a kind of cement kiln SCR denitration system with acoustic wave soot blower device, cement kiln SCR denitration system with acoustic wave soot blower device can include: acoustic wave generator and first function structure, acoustic wave generator has acoustic wave output port, acoustic wave generator is configured to at least output first acoustic wave and second acoustic wave by acoustic wave output port, first acoustic wave propagates along first propagation path, second acoustic wave propagates along second propagation path different from first propagation path;First function structure is provided with at least one first function area, first function area is arranged on second propagation path, for interacting with second acoustic wave, to at least generate third acoustic wave of propagation direction change and intensity less than second acoustic wave, third acoustic wave propagates along third propagation path, and first propagation path and third propagation path all pass through first target surface, so that first acoustic wave and third acoustic wave can all act on first target surface, first target surface is the surface where the area to be cleaned or cleaned of slag is located.

The present disclosure provides a steel pipe soot blowing and absorbing device and a cleaning system. The steel pipe soot blowing and absorbing device comprises a rack device, a soot blowing device and a soot absorbing device; the rack device is used for supporting a steel pipe to be cleaned; the soot blowing device is arranged at a first end of the rack device; the soot blowing device comprises a device body, a positioning assembly and a blowing assembly; the positioning assembly and the blowing assembly are arranged on a first surface of the device body; the positioning assembly is used for clamping and fixing the steel pipe to be cleaned; the blowing assembly is connected with a first end of the steel pipe to be cleaned, so as to blow the impurities in the inner diameter of the steel pipe to a second end of the steel pipe to be cleaned; the soot absorbing device is connected with a second end of the rack device, so as to absorb the impurities from the second end of the steel pipe to be cleaned; through the fixation of the steel pipe to be cleaned by the positioning assembly, the blowing assembly can be accurately connected with the steel pipe to be cleaned, so as to clean the steel pipe to be cleaned, avoid the disconnection with the soot blowing device, and realize the efficient cleaning of the steel pipe to be cleaned.

The invention relates to the technical field of dust removal devices, and discloses a desulfurization, denitrification and dust removal device which comprises a desulfurization, denitrification and dust removal integrated tower, a mounting plate is fixedly mounted at a smoke inlet of the desulfurization, denitrification and dust removal integrated tower, and smoke high-temperature steam inlet pipes are integrally arranged on the mounting plate at equal intervals in a communicating mode. Sound wave mounting chambers are integrally communicated with one side of the desulfurization, denitrification and dust removal integrated tower at equal intervals, a dust removal assembly is arranged in the desulfurization, denitrification and dust removal integrated tower, and the dust removal assembly comprises a steam pipe, a steam spraying cover, a sound wave soot blower and a ceramic fiber filter pipe assembly. By arranging the sound wave soot blower, compressed air energy is converted into sound wave energy through the sound wave generator, the sound wave energy is transmitted to a soot deposition area attached to the ceramic fiber filter pipe assembly through the sound wave guide pipe, and soot deposition particles generate reciprocating vibration through the sound energy so as to be separated from the upper surface of the ceramic fiber filter pipe assembly. And the purpose of removing accumulated dust is achieved.