42 results about "Boiler slag" patented technology

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 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 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 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 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 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 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 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 utility model relates to the technical field of boiler slag tapping pipes, in particular to an anti-red and anti-cracking slag tapping pipe of a fluidized bed power station boiler, which comprises a semi-automatic slag poking and discharging structure, a slag tapping pipe, an automatic rare earth alloy steel ash slag valve, a dredging valve port, a slag falling pipe and a high-temperature metal expansion joint. The semi-automatic slag poking and discharging structure is installed on a slag discharging opening of the slag discharging pipe and the automatic rare earth alloy steel ash slag valve, the automatic rare earth alloy steel ash slag valve is installed at the slag discharging opening end of the slag discharging pipe, the dredging valve openings are formed in the easily-blocked position of the slag discharging pipe in a communicating mode, and the high-temperature metal expansion joint is arranged at the end, close to the boiler connection, of the slag discharging pipe in a sleeving mode. According to the semi-automatic slag poking and discharging structure, an operator does not need to repeatedly poke and insert the slag poking rod in the slag discharging pipe until ash accumulated in the slag discharging opening of the slag discharging pipe is poured out, so that the ash with higher temperature cannot be splashed onto the operator, the operator cannot be scalded, and the labor intensity of the operator is reduced. And therefore, the danger coefficient of an operator during operation is greatly reduced.

A kind of slag cooling and waste heat recovery system, including hopper slag bin, distribution-off valve, slag cooling bin, upper air inlet pipeline, upper air inlet damper, air outlet pipeline, dust collector, dust-removed hot air pipeline, air-water heat exchanger, cooling air pipeline, fan, bearing seat, bearing, rotating shaft, the load-bearing plate that is provided with several airflow holes, one end is fixedly connected with rotating shaft, and can be rotated with rotating shaft and be inclined to unload downward, fixed seat, load-bearing plate drive cylinder being hingedly connected with fixed seat by first movable pin, load-bearing plate piston rod, connecting rod being hingedly connected with load-bearing plate piston rod end by second movable pin and being connected with middle part of load-bearing plate, lower air inlet pipeline, lower air inlet damper.The present application is environmental protection, will not produce greenhouse effect, cooling is sufficient, heat exchange efficiency is high, high-temperature slag waste heat recycling.It can be widely applied in the field of coal-fired boiler slag cooling and waste heat recovery.

This utility model discloses a coke-cleaning device for a boiler dry ash machine's slag well, comprising a coke-topping rod positioned between the external steel beam and the furnace wall steel beam. The bottom end of the coke-topping rod passes through a coke-drilling hole, and a hanging hole is provided at the top of the rod. Symmetrical lifting lugs are provided at the top of the rod. A top anchoring point is provided on the bottom surface of the external steel beam, and an upper pull steel wire rope connects the hanging hole and the top anchoring point. A lower anchoring point is provided on the top surface of the furnace wall steel beam, symmetrically positioned on both sides of the coke-drilling hole. A side pull steel wire rope connects the lifting lugs to the lower anchoring point of the furnace wall steel beam via chain hoists and steel wire ropes, achieving a two-point uniform force for coke lifting. The hanging hole of the coke-topping rod is connected to the top anchoring point of the external steel beam via chain hoists and steel wire ropes, enabling adjustment and stability of the coke-topping rod angle.

The utility model relates to the technical field of slag discharging systems of circulating fluidized bed boilers, and discloses an anti-fire-channeling expansion device applied to a slag discharging pipe of a circulating fluidized bed boiler, which comprises the slag discharging pipe, a cylindrical shell-shaped protective shell, a first compression ring, a second compression ring, a third compression ring and a thick compression ring, the slag discharging pipe is vertically arranged, the upper end of the slag discharging pipe is communicated with a hearth of the circulating fluidized bed boiler, the lower end of the protective shell is vertically arranged and is communicated with a material cavity of the slag cooler, and the inner diameter of the protective shell is larger than the outer diameter of the slag discharging pipe; the lower end of the slag tapping pipe is inserted into the protective shell connected with the feeding port of the slag cooler, the problem of expansion of the slag tapping pipe is solved through axial and radial movement of the first pressing ring, the second pressing ring, the third pressing ring and the thick pressing ring, and meanwhile, upward fire fleeing of the lower end of the slag tapping pipe is avoided through cooperation of the fire-resistant heat preservation layer and the protective shell. The use safety and the service life of the slag tapping pipe are improved.

The invention relates to the technical field of coal-fired boiler equipment, in particular to a coal-fired boiler slag discharging device and a using method.The coal-fired boiler slag discharging device comprises a crushing unit, a magnetic separation unit, a conveying and storing unit and an environment-friendly treatment unit; a metal corrugated pipe expansion joint is arranged at the end, close to the crushing unit, of the high-temperature-resistant transition pipe, the crushing unit communicates with the magnetic separation unit through a first pneumatic conveying unit, the magnetic separation unit communicates with the conveying and storing unit through a second pneumatic conveying unit, and a dust suction pipe of the environment-friendly treatment unit communicates with the top of the conveying and storing unit. The invention solves the problems of easy pipeline damage, insufficient slag crushing, poor magnetic material separation effect, serious dust pollution and the like of the existing coal-fired boiler slag discharge device.

The invention relates to a coal mill transfer system and a coal mill.The coal mill transfer system comprises a plurality of transfer boxes, a connecting pipe set and a boiler slag well, the transfer boxes are used for loading coal gangue, the connecting pipe set comprises a connecting main pipe and a plurality of connecting branch pipes, the first end of each connecting branch pipe is connected with one transfer box in a sealed mode, and the second end of each connecting branch pipe is connected with the boiler slag well in a sealed mode; negative pressure exists in the boiler slag well, one end of the connecting main pipe is closed, the other end of the connecting main pipe communicates with the boiler slag well, and the boiler slag well is used for extracting dust impurities in the transfer box. According to the coal mill transfer system, dust and impurities in the transfer box can be adsorbed through negative pressure naturally formed in the boiler slag well, the adsorbed dust and other impurities can be directly treated in the boiler slag well without causing environmental pollution, and the whole transfer system does not need to be independently provided with a negative pressure source; and under the condition that the cleaning effect of impurities such as dust in the transfer box is guaranteed, the cost is low.

The utility model discloses a device for improving the heat efficiency of slag discharge and heat recovery of a circulating fluidized bed boiler, which comprises a steam turbine system comprising a condensed water pipeline and a plurality of heaters arranged on the condensed water pipeline at intervals along the extension direction of the condensed water pipeline, the condensed water pipeline between two adjacent heaters forms a connecting pipe section; the boiler deslagging system comprises a slag cooler and a water return pipeline, the slag cooler is provided with a heat exchange flow channel, an inlet of the heat exchange flow channel is communicated with the liquid inlet end of the condensed water pipeline, the water return pipeline is communicated with an outlet of the heat exchange flow channel, the water return pipeline comprises a plurality of water return branch pipes, and the water return branch pipes are connected and communicated with the connecting pipe section and provided with stop valves. And the plurality of water return branch pipes are arranged corresponding to the plurality of connecting pipe sections. According to the device for improving the heat efficiency of deslagging and heat recovery of the circulating fluidized bed boiler, the deslagging heat can be stably and effectively recycled, and the circulating heat efficiency of a coal-fired unit is stably improved under all working conditions.

The invention relates to the technical field of thermal power equipment, in particular to a boiler slag bin slag discharging device which comprises a pneumatic conveying slag discharging mechanism, a bag-type dust collector is arranged at the end of the pneumatic conveying slag discharging mechanism and comprises a shell and a dust collecting bag, and a sliding frame capable of moving in the length direction of the shell is arranged on the inner wall of the shell. The multiple sliding frames are arranged in a central symmetry mode relative to the center of the shell, dust collecting components are arranged on the sliding frames and comprise collecting boxes, movable feeding pipes are arranged on the collecting boxes, openings in one-to-one correspondence with the feeding pipes are formed in the collecting boxes, and the openings are communicated with the feeding pipes. The end, away from the collecting box, of each feeding pipe is provided with a scraper used for scraping dust on the dust removal bag, the adjacent scrapers are connected through a rotating shaft and a torsional spring, the collecting box is provided with an air bag connected with the feeding pipes, and the inner wall of the shell is provided with a pneumatic telescopic component used for driving the sliding frame to move. The dust removal efficiency of the bag-type dust remover can be improved when the slag bin of the boiler discharges slag.

The invention discloses a boiler slag conveyor, and relates to the technical field of slag conveyors. The boiler slag conveyor comprises a machine body, a feeding port and a discharging port, a chain is connected in the machine body through a transmission module, a plurality of scrapers are arranged on the chain, and the slag conveyor further comprises buffer mechanisms arranged between the scrapers and the chain and used for buffering the scrapers; and the tiling mechanism is used for tiling and turning over the slag at the bottom of the machine body. According to the boiler slag salvaging machine, slag at the bottom of the machine body can be conveniently tiled and turned over, and the situation that the scraping plate deforms or inclines due to uneven stress is avoided; the scraping plate can be buffered, so that the scraping plate is prevented from deforming or inclining due to impact; clamping stagnation of the scraper can be found in time, overhaul and maintenance are carried out after shutdown, and the slag salvaging effect and the service life are guaranteed.

This invention discloses an FKM skeleton-type sealing structure for a boiler ash remover, belonging to the field of sealing structure technology. It includes an FKM elastic sealing body, fixedly connected to the inner end face of the bearing cap of the boiler ash remover. The inner side of the sealing body has an inwardly wound sealing lip, forming an annular winding space. A self-tightening helical spring is embedded within the winding space, with the spring's free inner diameter smaller than the inner diameter of the winding space, and is in a pre-stretched state. The sealing lip is interference-fitted with the rotating shaft. The sealing body has a U-shaped cross-section, with circumferentially spaced anchoring grooves on its back. The inner wall and bottom surface of the U-shaped groove have circumferentially spaced anti-rotation protrusions for anti-torsion, enhanced pressure and extrusion resistance, and installation guidance. This invention replaces the original positioning ring, achieving self-positioning installation without auxiliary tooling, significantly extending the maintenance cycle, providing reliable sealing, and is suitable for boiler ash removal systems.

The application relates to a boiler ash conveying structure of a thermal power plant, which comprises a rack and a boiler body fixedly arranged on the rack, a partition plate is fixedly arranged in the boiler body, a coal combustion area is arranged above the partition plate, a slag area is arranged below the partition plate, and filter holes for passing through the slag are arranged on the partition plate; a cooling bin is fixedly arranged on the rack and located at the bottom of the boiler body, a first discharging opening is arranged at the bottom of the slag area, a material guide pipe is communicated with the first discharging opening, the material guide pipe is communicated with the cooling bin, and a first sealing assembly for sealing the first discharging opening is arranged in the slag area; the application further comprises a slag box, a second discharging opening is arranged in the bottom wall of the cooling bin, a second sealing assembly for sealing the second discharging opening is arranged on the cooling bin, a conveying belt is arranged on the rack and located at the bottom of the cooling bin, and the conveying belt is used for conveying the slag into the slag box. The application has the effect of reducing the influence of boiler slag cleaning on the working efficiency of the boiler.

The utility model discloses a boiler slag remover with an anti-blocking function, which belongs to the technical field of boiler slag removers, and comprises an anti-blocking mechanism arranged inside a discharge port and comprising a rotating shaft penetrating through the inside of a machine body, and an anti-blocking mechanism arranged inside the machine body, the number of the anti-blocking blades is four, and the sides, close to the rotating shaft, of the four anti-blocking blades are fixedly connected to the outer surface of the rotating shaft; the output end of the servo motor is fixedly connected to the rear end face of the rotating shaft; according to the utility model, the anti-blocking mechanism is arranged, so that the problems that the waste residue close to one side of the inner wall is attached to the inner wall of the discharge port under the condition that a large amount of waste residue is accumulated, and the waste residue at the discharge port is accumulated more and more in cycles, and finally the discharge port is blocked are solved.