580 results about "Soot blower" patented technology

The invention provides a soot blowing control method, device and equipment for a boiler and a storage medium, and the method comprises the steps: collecting a soot deposition state image of a heating surface of the boiler in real time through visual equipment, carrying out the segmentation and feature extraction of the image, and generating an initial detail feature vector; reconstructing a dust deposition feature image based on the feature vectors, further segmenting and extracting basic local feature vectors, and generating a final dust deposition state image; and classifying the ash deposition state images corresponding to all the visual devices, calculating the ash deposition thermal resistance value corresponding to the target image, and comparing the ash deposition thermal resistance value with a preset threshold value so as to intelligently decide whether to start the ash blower to remove the deposited ash. By the adoption of the technical scheme, redundant soot blowing operation is reduced, the steam consumption of the soot blower and the blowing damage risk of the heating surface are effectively reduced, meanwhile, safety accidents caused by soot deposition are avoided, and the safety and economical efficiency of boiler operation are improved.

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 an intelligent sound wave soot blower control system based on a DCS, and the system comprises a sensor module which is used for collecting equipment operation parameters; the field control station is used for carrying out primary processing and caching on the equipment operation parameters acquired by the sensor; the data acquisition module is used for integrating and formatting the data; the distributed control module is used for establishing an optimal soot blowing simulation model and a dynamic adjustment model based on the physical characteristics of the equipment operation parameters, and is used for calculating ideal soot blowing information and a dynamic adjustment result determined based on the ideal soot blowing information; controlling the soot blowing action of the sound wave soot blower according to the dynamic adjustment result; the central monitoring station is used for feeding back the difference between the effects before and after soot blowing and optimizing and adjusting the dynamic adjustment model based on the difference; the invention aims at solving the problems of heat exchange efficiency reduction and resistance increase caused by ash deposition of the low-low-temperature economizer, improving the overall operation performance of the low-low-temperature economizer, prolonging the service life of equipment and achieving the purposes of energy conservation and environmental protection.

The invention provides a high-pressure air energy soot blower which comprises an air storage tank, a compressor and an injection assembly, the air storage tank is provided with an air inlet and an air outlet, an outlet of the compressor is connected with the air inlet so as to be used for introducing compressed gas into the air storage tank, the injection assembly comprises an injection pipe, and the injection pipe is connected with the compressor. The injection pipe comprises a first section and a second section, the first section is connected between the air outlet and the second section, the second section is provided with a plurality of injection holes which are arranged at intervals in the length direction of the injection pipe, and the pipe diameter of the second section is gradually reduced in the direction from the first section to the second section. The high-pressure air energy soot blower has the advantages of being simple in structure and good in cleaning effect.

The utility model discloses an automatic soot blower for a calcining furnace. The automatic soot blower comprises an automatic driving module, a special-shaped telescopic module, a blowing pipe gun module, a high-temperature flue gas collecting module and a control module, the automatic driving module drives the special-shaped telescopic module to move transversely, the special-shaped telescopic module drives the blowing pipe gun module to stretch out and draw back longitudinally so as to stretch into the calcining furnace to blow ash, and the high-temperature flue gas collecting module can collect accumulated ash falling off from the calcining furnace and provide steam for the blowing pipe gun module. The device can replace manual work to clean ash deposition in the flame path of the calcining furnace, so that the labor intensity of workers is reduced.

The utility model relates to the technical field of soot blower gun barrel correction, and discloses a soot blower gun barrel correction device which comprises a base, a correction mechanism is arranged outside the base, a fixing mechanism is arranged outside the correction mechanism, the correction mechanism comprises a supporting frame, sliding grooves are formed in the top and the bottom of the inner side of the supporting frame, and the fixing mechanism is arranged in the sliding grooves. Moving assemblies are arranged in the two sliding grooves, moving rings are arranged at one ends of the moving assemblies, rotating grooves are formed in the inner sides of the moving rings, rotating rings are installed on the inner sides of the rotating grooves, gears are engaged with one ends of the rotating rings, rotating shafts are installed in the middles of the gears, and first motors are installed on the right sides of the rotating shafts; a third air cylinder is installed on the inner side of the rotating ring, one end of the third air cylinder is fixedly connected with a knocking hammer, according to the correction device for the gun barrel of the soot blower, the third air cylinder is started to push the knocking hammer to knock and correct a correction point, and the effect that the specific point can be corrected is 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 utility model discloses an anti-blocking device for a high-temperature SCR (Selective Catalytic Reduction) denitration catalyst of boiler flue gas, which belongs to the technical field of boiler flue gas treatment and comprises an anti-ash-blocking component correspondingly arranged at the top of a boiler flue, and the anti-ash-blocking component is positioned above the SCR catalyst and is provided with a plurality of layers of SCR catalysts arranged along the boiler flue from bottom to top. And the anti-ash-blocking assembly is of a herringbone structure. Flue gas is purified and removed before passing through an SCR catalyst, efficient and stable operation of the SCR catalyst and up-to-standard emission of boiler flue gas are guaranteed, power consumption of a boiler system is reduced, and the operation period of a boiler is prolonged; the anti-clogging assembly does not need to be provided with a catalyst dust removal pretreatment device, and investment cost increase caused by high-temperature dust removal is avoided; a herringbone ash blocking prevention assembly and a mechanical ash blowing device are arranged above an SCR catalyst, large-particle fly ash in boiler flue gas can be removed, blocking of the catalyst and a tail air pre-heater is reduced, and power consumption of an induced draft fan is reduced.

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 present application relates to a threaded air soot blower, which includes a first base plate and a second base plate. A plurality of connecting frames are commonly connected between the first base plate and the second base plate. A soot blowing threaded rod is arranged between the first base plate and the second base plate. A driving device is arranged on the first base plate. A soot blowing outer tube is arranged at a position below the soot blowing threaded rod. A soot blowing inner tube is connected inside the soot blowing outer tube. A telescopic opening is formed in the second base plate corresponding to the position of the soot blowing outer tube. One end of the soot blowing outer tube extending out of the telescopic opening is closed. A plurality of soot blowing holes are formed in the side wall of the soot blowing outer tube near the closed end. The soot blowing threaded rod is connected with a moving device for driving the soot blowing outer tube to rotate and move. A plurality of rubbing devices for rubbing the outer wall of the soot blowing outer tube are arranged on two connecting frames at the lower positions. The present application has the effects of improving the situation of excessive slag on the surface of the soot blowing pipe, ensuring the long-term stable movement of the soot blowing pipe, and ensuring the soot blowing efficiency of the soot blowing pipe.

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 provides a soot blowing control method for a boiler heating surface, and belongs to the technical field of boilers. The method comprises the following steps: inputting operating parameters required by coal quality low-grade heating value and pollution rate identification of a boiler under the current working condition into a pre-constructed exhaust gas temperature prediction model to obtain boiler exhaust gas temperature of each heating surface under the current working condition; calculating required operation parameters based on the coal quality lower heating value and heating surface heat absorption of the boiler under the current working condition to obtain a heat exchange coefficient factor of each heating surface under the current working condition; the heating surfaces with the boiler smoke exhaust temperature larger than a preset temperature threshold value are determined as heating surfaces to be subjected to soot blowing, the heating surfaces to be subjected to soot blowing are sequenced on the basis of heat exchange coefficient factors of the heating surfaces to be subjected to soot blowing, and the soot blowing sequence of the heating surfaces to be subjected to soot blowing is determined; and according to the soot blowing sequence of the heating surface to be subjected to soot blowing, soot blowers corresponding to the heating surface to be subjected to soot blowing are controlled to blow soot. According to the invention, soot blowing can be carried out on the heating surface of the boiler as required, and the safety and economical efficiency of unit operation are 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 soot blower protection, and discloses a steam soot blower protection device which comprises a soot blowing pipe, a protection mechanism is arranged outside the soot blowing pipe, a replacement mechanism is arranged outside the protection mechanism, the protection mechanism is provided with an exhaust pipe, a cooling cavity is formed in the inner side of the exhaust pipe, and the cooling cavity is communicated with the exhaust pipe. A connecting sleeve is fixedly connected to the exterior of the exhaust pipe, an electric push rod is fixedly connected to the inner side of the connecting sleeve, a protective sleeve is fixedly connected to the top of the electric push rod, heat dissipation fins are installed on the outer wall of the cooling cavity, and a cooling assembly is arranged at one end of the cooling cavity and comprises a cooling pipe and a ventilation pipe. According to the protective device of the steam soot blower, the protective sleeve is arranged outside the heat dissipation fins, so that after the exhaust pipe enters a boiler, soot cannot be accumulated on the heat dissipation fins, the heat dissipation fins are protected, and the heat dissipation effect is prevented from being affected.

The utility model relates to the technical field of soot blowers, and discloses a soot blower angle adjusting structure which comprises a bottom plate, two supporting plates are fixedly connected to the top of the bottom plate, rotating shafts are rotationally arranged at the ends, close to each other, of the two supporting plates respectively, and adjusting plates are fixedly connected to the ends, close to each other, of the rotating shafts respectively; a transverse rod is fixedly connected to the top of the bottom plate, a first servo motor is fixedly connected to the right side of the transverse rod, a sliding groove is formed in the top of the transverse rod, a lead screw is rotatably arranged in the sliding groove, a sliding block is in threaded connection with the surface of the lead screw, and a first connecting plate is fixedly connected to the top of the sliding block. The top of the first connecting plate is fixedly connected with two first hinged supports, and an adjusting rod is rotationally arranged in each first hinged support. According to the angle adjusting structure of the soot blower, adjustment of the vertical angle is achieved, use of the soot blower is facilitated, and the stability of the soot blower is guaranteed through the four supporting legs.

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 invention discloses a combined device for transversely moving and cleaning the inner wall of a stainless steel pipe. The combined device comprises two sets of steel pipe transversely moving devices arranged in parallel, two sets of steel pipe rotating devices arranged in parallel and a long telescopic soot blower device. The steel pipe rotating device and the steel pipe transverse moving device are arranged at intervals. The long telescopic soot blower device is used for full-coverage cleaning of dirt on the inner wall of the steel pipe; by means of the device, the transverse movement process of the steel pipe is completed through the push-out and retraction actions of the jacking hydraulic cylinder and the transverse movement hydraulic cylinder, the stepping motor drives the double-roller wheel to rotate so as to drive the steel pipe to rotate when the inner wall of the steel pipe is cleaned, and therefore the inner wall of the steel pipe is cleaned. The contact frequency and area of the rotary nozzle and the surface of the inner wall of the steel pipe can be increased, the cleaning efficiency and quality of the inner wall of the steel pipe are improved, and meanwhile the problem that sewage is deposited at the bottom of the inner wall of the steel pipe and cannot be cleaned thoroughly is solved.

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.