81 results about "Boiler slag" patented technology

The invention relates to the technical field of industrial detection, and provides a real-time monitoring method and device for slag in a boiler. A plurality of high-temperature-resistant cameras are installed around an observation opening in the bottom of a boiler in an annular array mode, the slag accumulation condition in the boiler is collected in real time through the high-temperature-resistant cameras, and a single-view-angle image is obtained; evaluating the visual field states of the high-temperature-resistant cameras according to the single-visual-angle images, and determining a plurality of to-be-modeled images from the plurality of high-temperature-resistant cameras; and generating slag point cloud data by using the at least one to-be-modeled image, and performing three-dimensional reconstruction on the slag point cloud data to obtain the slag pile volume. According to the method, the slag falling condition of the boiler bottom of the power plant boiler is monitored and recognized in real time, and the problems that the slag falling at the boiler bottom cannot be detected in real time depending on manpower, the detection accuracy is insufficient, the three-dimensional form of the slag falling at the boiler bottom cannot be synthesized by detecting the slag falling at the boiler bottom through sensor equipment, and practicability is poor are solved.

The invention relates to the technical field of catalyst sulfuration in a coal gasification process, and particularly discloses a method for sulfuration of a shift catalyst by adding sulfur into low-sulfur coal, and the method comprises the following steps: fully mixing byproduct sulfur with boiler slag by adopting an internal mixing process to prepare a slag-sulfur mixture; fully and uniformly mixing the slag-sulfur mixture with low-sulfur coal, and feeding the mixture into a coal mill for milling to obtain pulverized coal; the method comprises the following steps: in a coal gasifier, carrying out online vulcanization on a shift catalyst by using pulverized coal, setting slag sampling once every half an hour after adding a slag-sulfur mixture, and monitoring the H2S concentration, the ash water pH value and the sulfate radical concentration in the synthesis gas in real time. According to the method, the by-product sulfur and the boiler slag are subjected to banburying compounding to prepare the slag-sulfur mixture, the slag-sulfur mixture and the low-sulfur coal are uniformly mixed in proportion to prepare powder, and by controlling the outlet temperature of the coal mill, the circulating air volume and the pressurized conveying temperature, the stable combustion of the coal powder and the on-line vulcanization of the shift catalyst are realized.

The utility model discloses a boiler slag cooling water pipeline which comprises a water inlet pipe and a conveying pipe, one end of the water inlet pipe is communicated with an outlet of a desulfurization condenser, the other end of the water inlet pipe is closed, a plurality of slag removal assemblies are arranged on the two sides of the water inlet pipe respectively, each slag removal assembly comprises a roller, and one end of each roller is communicated with a feeding port convenient for slag to enter the roller. A slag poking opening used for cleaning the interior of the roller is formed in the position, located on the lower portion of the feeding opening, of one end of the roller, the other end of the roller is communicated with a discharging device, a slag outlet is formed in the lower portion of the discharging device, and a medium discharged by the desulfurization condenser enters each group of water inlets through the water inlet pipe and enters the roller. Therefore, the slag is cooled, heat of the slag is fully utilized, the utilization rate of the slag is increased, the cooled slag is discharged into the slag trough through the discharging device, and the slag is convenient to clean.

The invention provides an automatic boiler slag cleaning device and a using method. The automatic boiler slag cleaning device comprises a box body and a driving mechanism. A rotating shaft is rotationally connected in the box body through a bearing, and a mounting plate with a scraper assembly and a grinding mechanism with a grinding roller are fixedly mounted on the rotating shaft. The device is characterized in that a scraper in the scraper assembly can be driven by a driving part to vertically move, so that the device has three key working positions: firstly, the scraper is lowered to be in contact with slag and rotates along with a rotating shaft to flatten accumulated slag, and a uniform condition is provided for subsequent grinding; secondly, the slag is lifted to be separated from the slag, so that interference with the grinding roller is thoroughly avoided, and the grinding process is smooth; and thirdly, the device descends to be tightly attached to the bottom wall of the box body, so that crushed slag and residues on the inner wall are thoroughly scraped off. Through intelligent adjustment of the height of the scraper blade, automatic leveling, interference-free grinding and efficient and thorough cleaning of slag are integrally achieved, manual intervention is not needed in the whole process, the cleaning efficiency and quality are remarkably improved, and the operation intensity and the safety risk are effectively reduced.

The invention relates to the field of boiler systems, and provides an intelligent anti-clamping slag conveyor for a circulating fluidized bed boiler, the intelligent anti-clamping slag conveyor comprises a boiler slag feeding system and a bucket elevator, the bucket elevator is fixedly connected with a feeding box, the bucket elevator is provided with a machine cavity, the inner wall of the machine cavity is connected with a conveying roller assembly, and the feeding box is provided with a feeding channel and a transmission cavity; the transmission cavity is communicated with the machine cavity, the inner wall of the transmission cavity is in sliding connection with a material receiving disc, a material receiving cavity is formed in the material receiving disc, the material receiving disc is in linkage with the conveying roller assembly, and the boiler slag feeding system is used for conveying slag generated by a boiler to the feeding box. The probability that slag penetrates through a gap between the inner wall of the bucket elevator and the hopper and then falls to the inner bottom wall of the bucket elevator can be greatly reduced, and the clamping stagnation probability of a conveying roller assembly in the bucket elevator is greatly reduced.

The utility model relates to the technical field of boiler coal cinder cleaning, and discloses a boiler deposited coal cinder cleaning device which comprises a furnace body, a coal cinder cleaning device and a coal cinder cleaning device. The flue is arranged on one side of the hearth in the furnace body, and the bottom of the hearth is communicated with the bottom of the flue; the air passages are arranged at the bottom of the hearth in parallel, and exhaust ports are formed in the upper parts of the air passages, so that the following technical effects can be realized: the air passages are arranged at the bottom of the hearth and the bottom of the flue, and the coal slag is crushed and blown and crushed by utilizing the alternate cooling and heating effect of cold air and high-temperature coal slag, so that efficient cleaning is realized; the partition plate isolates the air channel from the hearth and the flue, it is guaranteed that cold air is kept at low temperature, and the coal cinder fragmentation effect is further optimized. The exhaust hood is designed to accurately control the flow direction of cold air, so that the cold air acts on the coal cinder in a concentrated manner, and the cleaning efficiency is improved.

The application discloses a novel air-cooled dry-type slag discharging system and a slag discharging method, which comprise, from top to bottom, a boiler, a slag well and a dry slag machine, further comprise a wind control system and a cooling ring pipe, one end of the wind control system is connected with the dry slag machine and the cooling ring pipe, and the other end is connected with the slag well; a plurality of sets of crushing devices and sealing shutoff doors are arranged in the space between the slag well and the dry slag machine, a partition cavity is formed between the crushing devices and the sealing shutoff doors, the air inlet channel between the dry slag machine and the boiler is blocked, and the air volume is adjusted only through the wind control system. The sealing shutoff door device is arranged between the furnace bottom slag discharging device and the dry slag machine equipment, a new intermediate partition cavity can be formed between the sealing shutoff door device and the extrusion head after the sealing shutoff door device is closed, small slag blocks after pre-crushing are stored in the new intermediate partition cavity, the sealing shutoff door blocks the air inlet channel between the dry slag machine and the furnace, the air inlet volume of the furnace is adjusted only through the wind control system, the air inlet volume is accurately adjusted, and the combustion efficiency of the boiler is improved.

The utility model relates to the technical field of boiler slag removal, and discloses a boiler slag removal filter screen convenient to install, through the arrangement of an installation mechanism and an auxiliary mechanism, the installation mechanism is used for fixing the filter screen, and the auxiliary mechanism is used for fixing the installation mechanism, the problem that in an existing boiler slag removal system, the filter screen is difficult to install is solved. A filter screen device capable of achieving rapid installation and disassembly is lacked, a traditional filter screen fixing mode is usually complex, much time and manpower are needed for installation and disassembly, the working efficiency is reduced, the maintenance cost is increased, and due to the fact that the filter screen needs to be frequently cleaned or replaced to guarantee efficient operation of a boiler system, the service life of the boiler system is prolonged. The problems that a traditional filter screen is inconvenient to install, so that the efficiency of the whole deslagging process is directly influenced by the inconvenience, specifically, the installation of the traditional filter screen often involves a plurality of steps, and in addition, the technical requirements of operators and the possibility of errors are increased due to the complex installation process are solved.

This utility model provides a permanent magnet heating waste heat utilization system for fluidized bed thermal power plants. The system uses the heat from the permanent magnet speed controller of the blower to heat the demineralized water, which then undergoes secondary heating in the boiler slag cooler before entering the deaerator. This fully utilizes various types of waste heat for comprehensive waste heat utilization. A regulating valve and flow meter are installed at the inlet of the primary blower permanent magnet speed controller; a regulating valve and flow meter are also installed at the inlet of the secondary blower permanent magnet speed controller; a regulating valve and flow meter are installed at the inlet of the induced draft fan permanent magnet speed controller; the outlets of the primary, secondary, and induced draft fan permanent magnet speed controllers are all connected to the demineralized water tank; thermometers are installed at the outlets of the primary, secondary, and induced draft fan permanent magnet speed controllers; the demineralized water tank is connected to the inlet of the boiler slag cooler, and the outlet of the boiler slag cooler is connected to the deaerator.

The invention discloses a solid heat storage material and a preparation method thereof. The solid heat storage material is prepared from the following raw materials: low-grade pyrophyllite ore, a boiler waste residue raw material, a heat storage ceramic block material, clay and a binding agent. The solid heat storage material is prepared from the low-grade pyrophyllite ore, the boiler waste residue raw material and the heat storage ceramic block material as main raw materials and the clay, the binding agent and the like as auxiliary materials, so that low cost and high-energy (energy storage) value output of a solid heat storage material product are guaranteed.

The utility model relates to the technical field of cooling of boiler slag dryers, in particular to a cold air recovery device of a boiler slag dryer, which comprises a cold air supply unit, a flow adjusting component, a cold air uniform distributor, an angle adjusting component and a cold air distribution pipeline. Dynamic adjustment of the cold air flow is achieved through the flow adjusting assembly, uniform distribution of cold air and flexible adjustment of the working angle are achieved through the cold air uniform distributor and the angle adjusting assembly, and the problem of operation stability in the high-dust environment is effectively solved through the dust removal device and the filter screen. And meanwhile, accurate control over the cold air temperature is achieved through the temperature control module. By means of the design, the cold air utilization rate and the equipment operation efficiency are remarkably improved, and the cooling requirement under the complex working condition can be better met.

The utility model relates to the field of energy and environmental protection technology, especially a kind of coupling system of slag boiler slag heat exchange and fiberization production is discharged to slag.The system includes conveying device, solid slag lifting device, liquid slag discharge boiler, slag well, fiber production line and heat exchanger.Conveying device is fed to boiler by solid slag lifting device, and the liquid slag produced by combustion enters heat exchanger slag conveying passage by slag well, slag conveying pipe, and then is sent to fiber production line;Dusty air of fiber production line returns to boiler by heat exchanger gas pipeline.In heat exchanger, liquid slag exchanges heat with dusty air, and solid slag is solidified on the surface of liquid slag, and dusty air is heated to assist combustion.The system realizes the collaborative coupling of inorganic fiber production and power plant boiler, without new waste gas, improves energy utilization, reduces transfer risk.

The utility model relates to the technical field of deslagging pipe equipment, in particular to a boiler deslagging pipe rapping device which comprises a fixing rod, a sliding hole is formed in one end of the fixing rod, a rapping rod is installed in the sliding hole in a sliding mode, and one end of the rapping rod is arranged outside the sliding hole. A driving assembly used for driving the rapping rod to reciprocate in the sliding hole is installed on the side face of the fixing rod. The sliding hole of the fixing rod is aligned with the deslagging pipe for installation, the driving assembly drives the rapping rod to do reciprocating motion so that the rapping rod can knock the deslagging pipe, and therefore the effect of manually knocking the deslagging pipe to dredge the pipeline is replaced, and labor consumption and the risk degree are reduced.

The utility model belongs to the technical field of boiler slag discharge pipe sealing, specifically disclose multilayer sealing anti -leakage mechanism of circulating fluidized bed boiler slag discharge pipe, including slag discharge pipe, the bottom of slag discharge pipe is equipped with the cold slag ware interface hopper, is equipped with the sealing assembly between slag discharge pipe and the cold slag ware interface hopper, the sealing assembly includes the connecting seat, the connecting seat cover is established in the outer wall of slag discharge pipe, the bottom end fixed connection of connecting seat has the metal corrugated section, the top end fixed connection of cold slag ware interface hopper has the connecting plate, and the metal corrugated section is in abutment with the connecting plate, is equipped with fixed assembly between connecting seat and connecting plate, the utility model discloses the setting of sealing assembly, avoid the increase of sealing surface gap due to the pre -tightening force attenuation, and the metal corrugated section absorbs displacement through compression or elongation elastic deformation, avoid the rigid connection fixed screw rod to bear overload tension, and the connecting plate and the connecting seat sealing surface tear, prevent the pipeline from the structural damage such as bending, cracking and so on because of thermal stress concentration, and then reduce the probability of leakage.

The invention relates to the technical field of mortar and concrete preparation, in particular to a coal-fired furnace slag modification method and application thereof. According to the invention, the slag is subjected to crushing and screening, moisture content control, pore pre-filling of the fly ash-cement mixture, water addition and pre-mixing and coating, and modification treatment, such that the porosity of the slag is reduced, the fluidity of the slag is improved, and the mechanical property of the slag is significantly improved. Besides, the slag subjected to modification treatment is applied to production of mortar and concrete, 100% replacement of natural sand by the slag can be realized, the compressive strength of the mortar and the concrete can be greatly improved, and remarkable environmental protection and economic benefits are achieved.

The utility model belongs to the field of CFB boiler slag removal, and discloses a CFB boiler slag cooler slag discharge material online uniform distribution adjusting device which comprises a box body assembly used for branch slag discharge and further comprises an observation assembly installed in front of the box body assembly and used for perspective checking, and an adjusting assembly used for adjusting the slag discharge distribution amount in a swinging mode is installed in the middle of the box body assembly. The observation assembly comprises a transparent plate, a supporting sleeve is arranged in the middle of the transparent plate, and multiple fixing bolts are evenly installed at the four corners of the transparent plate. The adjusting assembly comprises a flow guide mechanism used for controlling the deslagging direction, and a control mechanism used for hydraulic stretching and retracting is arranged on the flow guide mechanism. According to the on-line uniform distribution adjusting device for the slag discharging materials of the slag cooler of the CFB boiler, the real-time on-line blanking adjusting function from the slag discharging inclined pipe of the slag cooler to the hopper of the chain bucket conveyor is achieved; through uniform blanking, the hopper of the chain bucket conveyor can receive materials uniformly, the influence that the service life is shortened too fast due to eccentric wear is avoided, and the safety, stability and economical efficiency of equipment are improved.

The present application belongs to sewage treatment technical field, disclose a kind of waste heat boiler blowdown water recovery device and method, the device includes by pipeline intercommunication boiler, slurry pump, agitator tank and gas storage tank;Agitator tank includes being located in the agitator tank stirring assembly and for driving stirring assembly motor;Stirring assembly includes first drive rod, first drive rod is hollow structure, first drive rod is connected with the output end of motor, first drive rod is communicated with gas storage tank by swivel joint;Second drive rod, second drive rod is hollow structure, second drive rod is communicated with first drive rod;First stirring rod, stirring rod is hollow structure, the number of first stirring rod is two groups, and respectively with first drive rod and second drive rod communication;Second stirring rod, second stirring rod is hollow structure, second stirring rod is located in first stirring rod, and with first stirring rod communication, second stirring rod is equipped with several spray holes;The present application solves the problem that carbon dioxide and ash water reaction is not sufficient.

The utility model relates to the technical field of slag poking devices, in particular to a novel automatic slag poking device for a slag discharge port of a boiler. At least one bulge is arranged on the side wall of one end of the slag poking rod; the two sliding rails are parallel to the slag poking rod; the feeding assembly comprises a supporting shaft which is horizontal and perpendicular to the axis direction of the slag poking rod, the rotating axis is collinear with the axis of the supporting shaft, and the two ends of the supporting shaft slide on the two sliding rails respectively. The first straight gear is sleeved and fixed on the supporting shaft; the second straight gear is meshed with the first straight gear; the driving device is connected with one end of the slag poking rod, which is not provided with the bulge, and drives the slag poking rod to rotate; the driving device is further connected with the second straight gear and drives the second straight gear to rotate. And the supporting structure is connected with the supporting shaft and the driving device and rotationally connected with the second straight gear. The slag poking rod is driven by the driving device to do reciprocating rectilinear motion and rotation at the boiler slag discharging opening, manual dredging of the boiler outlet can be replaced, and the dredging efficiency is high.

The utility model discloses a boiler slag efficient collecting and automatic discharging device which comprises a base, the top of the base is fixedly connected with a boiler, the top of the boiler is detachably connected with a furnace cover, the interior of the furnace cover is fixedly connected with a plurality of shells, the bottoms of the shells are connected with a plurality of balls in a sliding mode, and the balls are connected with the furnace cover in a sliding mode. A supporting plate is slidably connected to the bottom of the ball body, a spring is fixedly connected to the bottom of the supporting plate, a fixing block is fixedly connected to the bottom of the spring, and a limiting assembly used for a limiting mechanism is detachably connected to the bottom of the fixing block. Through the structure, the shell can be pressed to extrude the ball body, the ball body extrudes to drive the spring at the bottom to be compressed to enable the telescopic column in the shell to stretch out and draw back, and when the telescopic column is separated from a limiting groove in a limiting block at the bottom during stretching out and drawing back, the shell and an internal mechanism can be pulled away together, so that the furnace cover is disassembled; in this way, mechanisms in the boiler can be maintained and replaced conveniently.

The application provides a slag cooling process simulation method based on multi-source heterogeneous data, and belongs to the technical field of industrial process simulation and optimization. The method collects multi-source heterogeneous data generated in the boiler slag discharge process, and after preprocessing, time synchronization and space alignment processing, uses data fusion technology to extract key features and construct a fusion feature vector. Further based on the fused data, an improved simulated annealing algorithm is used to establish a slag heat conduction model, and combined with real-time monitoring data of the slag surface, internal temperature data, historical cooling data and environmental condition data, a data assimilation technology is used to dynamically update the temperature field model, and a three-dimensional model of the slag temperature field is constructed. Finally, the improved sparrow search algorithm is used to optimize the calculation of the best cooling air volume and the slag movement speed. The application can improve the slag cooling efficiency, reduce the energy consumption, and optimize the stability of the cooling process, and has significant industrial application value.

The invention relates to the technical field of boiler monitoring and image recognition, and provides a boiler slagging detection and recognition method, device and equipment and a medium, and the method comprises the steps: obtaining infrared image information and visible light image information; preprocessing the infrared image information and the visible light image information to obtain preprocessed infrared image information and visible light image information; performing feature weighted fusion on the preprocessed infrared image information and visible light image information by using an encoder to obtain fusion features; and a decoder is used to process the fusion features so as to output a boiler slagging detection and identification result. According to the technical scheme, the hysteresis quality of experience conclusions obtained through traditional manual recognition is overcome, target detection is rapidly achieved, meanwhile, the accuracy rate superior to that of manual experience and a traditional recognition method is obtained, the model obtained through the method can rapidly recognize slag bonding, and the method can be widely applied to related pulverized coal furnaces.

The application relates to a water-cooled vibrating grate boiler tail flue gas purification treatment device and method, relates to the dust removal technical field and comprises a dust removal mechanism, an exhaust mechanism, a slag conveyor and a feeding mechanism. Dust is sent into the boiler slag conveyor, the dust is wetted by water or mixed into slag slurry, dust raising is inhibited, the wet treatment reduces the spontaneous combustion or explosion risk, even if the dust is accumulated at the lower end of the main pipe and is difficult to enter the water, the water injection assembly in the feeding mechanism can be used for water injection on the side surface and the top of the accumulated dust in the main pipe, the dust is wetted, the accumulated dust is quickly made to enter the water, the dust discharge rate is ensured, the dust removal mechanism and the exhaust mechanism are matched, the dust is slightly accumulated at the lower end of the box body, the circular roller provided with a material groove is used for dust discharge, the accumulated dust is used for avoiding flue gas discharge from the lower end, dust removal during the dust removal process can still be carried out, and the working efficiency of the device is improved.

The application discloses a device for reducing water content of biomass fuel by using waste heat, which comprises a slag outlet pipe, the upper end of the slag outlet pipe is connected with a boiler slag outlet pipe, the lower end of the slag outlet pipe is located above the feeding end of a scraper conveyor, the discharging end of the scraper conveyor is located above the feeding end of a belt conveyor, a roller dryer is arranged on the upper side of the scraper conveyor in parallel, the roller dryer is provided with a feeding port and a discharging port, the feeding port is located below the discharging end of a biomass fuel input belt, and the discharging port is located above the feeding end of a biomass fuel output belt; the device can dry the biomass fuel, the dried biomass fuel can provide calorific value immediately after entering a boiler for combustion, and the device has good efficiency; in addition, the dried biomass fuel will not ferment after being stored; the device dries the biomass fuel by using the heat of boiler waste slag, and no other energy consumption is needed, so that energy saving and environmental protection are achieved.

The invention discloses an automatic oiling device of a CFB boiler slag conveying chain bucket machine, which belongs to the technical field of chain bucket machines and comprises an oil tank fixed on a chain bucket machine shell, and an oil pumping mechanism and an oil spraying head are mounted on the chain bucket machine shell; the oil pumping mechanism is communicated with the oil tank through an oil pumping pipe, and the oil spraying head is communicated with the oil pumping mechanism through an oil spraying pipe. A sliding frame is installed on the chain bucket machine shell in a sliding mode, a collision block colliding with a chain of the chain bucket machine is fixedly arranged at the bottom of the sliding frame, and an oil smearing brush used for smearing lubricating oil is fixedly arranged at the bottom of the collision block. The sliding frame is in abutting transmission fit with a chain wheel of the chain bucket machine so as to drive the sliding frame to move up and down or horizontally; when the sliding frame horizontally moves, the oil pumping mechanism is driven to pump and spray oil; when the sliding frame moves up and down, the collision block is driven to collide with the chain bucket machine chain. The chain bucket machine shell is provided with a conversion mechanism used for converting the movement form of the sliding frame. Automatic oiling can be achieved, the workload of workers is greatly reduced, and potential safety hazards are reduced.

The utility model relates to the technical field of boiler slag coolers, and discloses a slag spraying prevention slag cooler which comprises a slag cooler body, a slag outlet is formed in the tail end of the slag cooler body, a cold water pipe fitting is arranged in the slag cooler body, and a water inlet pipe and a water outlet pipe which communicate with the cold water pipe fitting are arranged at the two ends of the slag cooler body correspondingly. A slag inlet pipe is arranged at the top of the slag cooler body, a conveying pipe connected with a boiler slag discharging opening is arranged above the slag inlet pipe, and a gate valve is connected between the conveying pipe and the slag inlet pipe. The cold water pipe fitting comprises a plurality of water passing pipes parallel to the radial direction of the slag cooler body, a flow dividing pipe connected with the water passing pipes and the water inlet pipe and a flow gathering pipe connected with the water passing pipes and the water inlet pipe, the water passing pipes are vertically distributed into a plurality of layers along the section of the slag cooler body, and the multiple layers of water passing pipes close to the slag inlet pipe are obliquely arranged; and a V-shaped arrangement is formed. The slag cooler has the effect of improving the use safety of the slag cooler.

The invention relates to the technical field of slag conveying devices, in particular to a boiler slag conveying and sorting device which comprises a buffer tank and a conveying table, a first conveying belt is installed on the inner side of the conveying table, a sorting mechanism is installed at the position, close to the rear portion, of the upper end of the conveying table, and the sorting mechanism comprises a second material distributing plate. A second material distributing plate is installed at the upper end of the conveying table, an adsorption mechanism is installed at the upper end of the second material distributing plate, a first treatment box is fixedly connected to one side of the conveying table, a second treatment box is fixedly connected to the other side of the conveying table, and a recycling mechanism is jointly installed on the inner side of the first treatment box and the inner side of the second treatment box. Large-particle slag and small-particle slag meeting the range can be treated separately through a first inclined plane and a second inclined plane, through mutual cooperation of a sliding rod and a sliding groove, when a first sleeve drives a magnetic suction plate to rotate, the magnetic suction plate can move left and right, and therefore the small-particle slag is comprehensively collected.

The utility model provides a boiler slag crusher which comprises a coal slag chamber body, a main rotating shaft is arranged in a discharging cavity of the coal slag chamber body, and crushing assemblies are evenly distributed on the periphery of the main rotating shaft. The crushing assembly comprises a fixing seat, a crushing assembly and a driving assembly, a center hole of the fixing seat is fixedly connected with the main rotating shaft, and a T-shaped groove is formed in the fixing seat; the utility model relates to the technical field of slag crushers, after the fixing piece is detached, then the crushing fin is moved to be separated from the T-shaped groove, and a new crushing fin is replaced, the crushing fin is inserted into the T-shaped groove, and the crushing fin is fixed on the fixing piece. The mounting position of the crushing fin in the fixing seat is fixed by using the fixing piece, and the crushing fin is detachable, so that the traditional welding connection mode of the crushing fin and the main rotating shaft is changed, and the aged crushing fin is convenient to replace and maintain.

This utility model discloses a boiler slag removal and cleaning mechanism for power plants, relating to the technical field of boiler slag removal equipment. It includes a base, with a scissor lift at the bottom and a worktable at the top. At least two sets of scrapers are equidistantly arranged in a ring on the surface of the worktable. A partition divides the worktable into two independent chambers, and a motor is installed at the bottom of the worktable, with a rotating rod connected to the motor's output. In this utility model, the staggered, equidistantly arranged scrapers allow the upper scraper to cover most of the boiler's inner wall, while the lower scrapers, through a staggered arrangement, fill in any remaining blind spots, achieving 100% coverage as much as possible. This prevents residual slag from affecting localized overheating of the boiler and reducing its thermal efficiency. Furthermore, the scrapers can be adjusted according to the boiler's inner diameter for better slag removal.

The invention discloses a coal-fired boiler anti-slag-blocking system and method based on multi-source perception and dynamic regulation, and the system comprises a data collection module which is used for collecting the multi-source operation data of a coal-fired boiler slag crusher; the data processing module is used for calculating a blockage risk index based on multi-source operation data fusion and judging a blockage risk level in combination with a preset threshold value; the control execution module is used for executing injection operation and adjusting related parameter settings of the slag crusher according to the blockage risk grade; and the dynamic feedback module is used for collecting the multi-source operation data after the injection operation is executed and feeding back the multi-source operation data to the data processing module so as to dynamically adjust the injection operation parameters and the operation parameters of the slag crusher. According to the invention, the slag blocking accident rate of the slag crusher can be reduced, the fault shutdown frequency is reduced, and the power generation continuity is guaranteed; compared with whole-course steam injection, intelligent injection can greatly save heat energy consumption, optimize energy consumption and achieve unification of safety, economy and environmental protection benefits.

The utility model discloses a high-temperature slag waste heat recovery device of a CFB boiler burning coal gangue, which comprises the CFB boiler, a conveying device and a waste heat recovery device, a boiler slag discharge bin is arranged at the bottom of the CFB boiler, a discharge port is arranged at the lower end of the boiler slag discharge bin, one end of the conveying device is positioned below the discharge port, and the other end of the conveying device is positioned below the waste heat recovery device. And the other end is positioned above the waste heat recovery device. The waste heat recovery device has the beneficial effects that the conveying device conveys boiler slag to the position above the waste heat recovery device from the discharging opening, the boiler slag enters the waste heat recovery device to make contact with the heat exchange pipe, heat is absorbed through water or steam in the heat exchange pipe, waste heat recovery is achieved, and the boiler slag subjected to heat exchange enters the conveying device through the discharging hopper to be subjected to follow-up treatment or transportation. The flow of the high-temperature slag particles realizes the overall uniform flow of the material, and secondary heat exchange media such as air do not need to be introduced, so that the problems of poor stability, heavy pollution, large circulating water consumption and low waste heat recovery grade of the current traditional treatment process are effectively solved.