129 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 provides a boiler slagging risk dynamic assessment and optimization control method based on alkali metal concentration. The method comprises the following steps: acquiring flame temperature, gas phase alkali metal concentration and slag layer thickness data in real time; establishing an ash fusion point-alkali metal concentration mapping database through an ash fusion point calibration experiment to obtain an ash fusion point dynamic attenuation model, and inputting the gas phase alkali metal concentration into the ash fusion point dynamic attenuation model to obtain a dynamic ash fusion point; establishing a slagging online growth model, and inputting the flame temperature, the gas phase alkali metal concentration and the slag layer thickness into the slagging online growth model to obtain the slagging rate; the real-time slagging index is calculated by using the slagging rate, the dynamic ash fusion point and the flame temperature, the boiler slagging tendency is divided according to the numerical value of the real-time slagging index, and the boiler operation is dynamically optimized and controlled by using the boiler slagging tendency grade. According to the method, minute-level advanced early warning of the slagging risk is achieved, and safe and efficient operation of the high-alkali coal unit under the wide-load working condition is guaranteed.

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 relates to the field of boiler slag coolers, in particular to a slag inlet sealing device of a boiler slag cooler. The sealing device for the slag inlet of the boiler slag cooler comprises a slag cooler barrel and a slag inlet pipe, an extension pipe is arranged at the slag inlet of the slag cooler barrel, a movable ring is welded to one end of the extension pipe, the slag cooler barrel and the slag inlet are coaxially arranged, the slag inlet pipe is connected to the slag inlet of the slag cooler barrel in an inserted mode, the end of the slag inlet pipe extends into the slag cooler barrel by 300 mm, and the movable ring is welded to one end of the extension pipe. A static ring is welded to one end of the slag inlet pipe, a radial gap of 20-30 mm is kept between the outer wall of the static ring and the inner wall of the extension pipe, and a gap of 50 mm is reserved between the lower portion of the static ring and the inner wall of the extension pipe to serve as a backflow port. According to the slag inlet sealing device of the boiler slag cooler, due to the design of the labyrinth type sealing structure, the slag leakage phenomenon is effectively prevented, stable operation of the slag cooler is guaranteed, the movable ring and the static ring are arranged, a proper gap is reserved, friction between iron and iron is avoided, and abrasion of the sealing ring and the slag sealing disc is remarkably reduced.

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.

An embodiment of the present application provides a highly wear-resistant forged chain for a boiler slag discharger and a friction welding and knitting process. The base material is heated and then forged to obtain a forged ring, wherein the cross-section of the forged ring is rectangular; a part of the forged ring is cut along the width direction to obtain semi-rings with twice the number of the part of the forged ring; through a knitting friction welding device, the forged rings and the semi-rings are alternately distributed, and two semi-rings with opposite openings are friction welded into a welded ring, and the forged rings and the welded rings are alternately distributed to form a chain. Compared with the traditional direct bending and forming of a bar stock, the forged ring has higher material strength and a denser internal tissue structure, thereby improving the overall load-bearing capacity and service life of the chain; the cross-sectional shape of the link is rectangular, and at the contact part of adjacent links, the contact part is a surface contact, increasing the contact area and reducing the contact stress, which can effectively slow down the wear of the carburized layer and improve the service life of the chain.

The invention relates to the technical field of slag hole dust prevention, and discloses a dust prevention and removal auxiliary device for a boiler slag hole, the dust prevention and removal auxiliary device comprises a separation cylinder, an inertia dust suppression assembly is arranged in the separation cylinder, the inertia dust suppression assembly comprises a plurality of inertia pre-separation plates connected to the interior of the separation cylinder, and when mixed slag blocks make contact with the inertia pre-separation plates, the inertia pre-separation plates are separated from the separation cylinder. The slag blocks rebound and fall under the inertia effect, meanwhile, dust attached to the surfaces of the slag blocks flies due to impact, due to the fact that the inertia pre-separation plates are spirally arranged, the slag blocks and the dust are guided on the plate faces to form primary separation, then dust airflow forms certain rotational flow under the centrifugal effect of the spiral turbulent flow guide plates, and the slag blocks and the dust are separated. And the second external draught fan continuously absorbs dust through the spiral gap, efficient dust removal is achieved, in addition, the slag blocks are smashed to a certain degree in the collision process of the slag blocks and the inertia pre-separation plate, and the amount of dust attached to the surfaces of the slag blocks is further reduced.

The invention relates to the technical field of hearth coking monitoring, and discloses a monitoring method and device for judging a hearth coking state, equipment and a storage medium, and the monitoring method for judging the hearth coking state comprises the following steps: in a boiler operation combustion state, obtaining basic data of six heating surfaces; calculating operation heat transfer coefficients of the six heating surfaces; initial data of the boiler in a healthy state are collected, and an optimal heat transfer coefficient prediction model is trained; boiler operation parameters in the boiler operation combustion state are obtained, and the optimal heat transfer coefficient in the boiler operation combustion state is obtained; and comparing the operation heat transfer coefficient with the optimal heat transfer coefficient to determine whether the hearth of the boiler is coked or not. According to the method, the whole boiler is divided into six heating surfaces, whether adjustment or optimization such as coking or soot blowing needs to be carried out or not is judged through the optimal heat transfer coefficient prediction model according to the six coking surface heat transfer coefficients, boiler shutdown is not needed, the coking condition of the boiler is found in time, power generation losses are reduced, and the operation health state and the operation efficiency of a combustion hearth are improved.

The utility model belongs to the field of thermoelectricity, and particularly relates to a thermal power plant boiler slag discharging structure which comprises a crusher, a feeding end seat is arranged at the top of the crusher, and a discharging end seat is arranged at the bottom of the crusher. The crushing mechanism comprises a driving device arranged on the crusher, the output end of the driving device is connected to a transmission device, the output end of the transmission device is connected with a crushing shaft penetrating into an inner cavity of the crusher, and a protruding crushing part is arranged on the outer wall of the crushing shaft. After the slag is discharged out of the boiler, due to the fact that heat of the slag is not fully utilized, the blocky slag is crushed and treated into a granular structure facilitating heat release through the crushing mechanism, on one hand, the blocky slag can be prevented from blocking a discharging channel, and on the other hand, residual heat can be conveniently collected; and the distribution mechanism can assist in spreading the granular slag on the slope bench, and can quickly collect residual heat in cooperation with a subsequent air inducing device, so that heat waste is prevented.

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 present invention belongs to the technical field of power plant equipment, and particularly relates to a slag poking device for a power plant boiler slag dropping pipe, which includes a slag cleaning head installed inside the slag dropping pipe. The lower end of the slag cleaning head is connected with a slag poking rod. A bottom plate is fixedly connected to the lower end of the slag dropping pipe. The slag poking rod passes downward through the bottom plate and is connected with a first driving mechanism and a second driving mechanism, and is driven to rotate by the first driving mechanism and driven to move up and down by the second driving mechanism. In the present invention, the slag poking rod is driven to rotate by the first driving mechanism and driven to move up and down by the second driving mechanism, and the first driving mechanism and the second driving mechanism do not affect each other. The rotation and movement of the slag poking rod can be carried out simultaneously. By the above method, the existing manual slag poking is replaced, ensuring the smooth progress of the slag poking work, improving the slag poking efficiency, and avoiding the danger brought by manual slag poking.

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 utility model relates to the technical field of boilers, in particular to a boiler waste residue centralized discharging device which comprises an installation unit, a boiler seat, a base arranged on the boiler seat and a lower fire grate arranged on the boiler seat. The rotating unit comprises a pressing assembly arranged on the outer side of the base, an extrusion assembly arranged on the pressing assembly, a reset assembly arranged in the base and a transmission assembly arranged on the base; and the deslagging unit comprises a pushing assembly arranged in the boiler seat, a deslagging assembly arranged in the boiler seat and a flow guide assembly arranged in the boiler seat. The boiler waste residue centralized discharging device has the advantages that through the rotating unit and the residue discharging unit, the effect that waste residues at any corner in a boiler can be collected and treated without using any tool can be achieved, the cleaning efficiency is improved, and the labor cost can be reduced.

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 relates to the technical field of boiler slag removal, in particular to a fine slag discharging mechanism and a dry-type slag extractor, the fine slag discharging mechanism comprises a mounting component, a slag discharging component and a slag removing component, the slag discharging component and the slag removing component are mounted on the outer side of the mounting component in a matched mode, and the slag discharging component and the slag removing component are used for automatically discharging slag; through mutual cooperation of the inclined baffle and the blocking assembly, when too much fine slag is accumulated, the bottom plate can automatically rotate to unload the fine slag, and after the fine slag is unloaded, the bottom plate automatically resets, so that full-automatic unloading and resetting of the whole process are completed, manual intervention is not needed, and the production efficiency is improved. And as the accumulation condition of the fine slag in the fine slag discharge mechanism cannot be observed by human eyes, the slag discharge opportunity is difficult to grasp, and the slag can be automatically discharged when excessive slag is accumulated through the device without manual observation, so that the burden of workers is relieved.

The invention discloses a biomass pyrolysis and fire coal coupling utilization system and method.A raw material outlet of a biomass bin is connected to a raw material inlet of a pyrolysis reactor, a pyrolysis gas outlet of the pyrolysis reactor is connected with a raw material gas inlet of a high-temperature filter, and a purified gas outlet of the high-temperature filter is connected to a coal-fired boiler; a steam outlet of the coal-fired boiler is connected to the steam power generation system and further connected with a steam reverse blowing opening of the high-temperature filter, a flue gas inlet of the pyrolysis reactor is connected with a first flue gas outlet of the coal-fired boiler, and a flue gas outlet of the pyrolysis reactor and a second flue gas outlet of the coal-fired boiler are connected to the flue gas purification system. A steam outlet of the coal-fired boiler is connected to the steam power generation system, a steam blowback opening of the high-temperature filter and condensed water generated by the steam power generation system are connected to the coal-fired boiler. The biomass medium-temperature pyrolysis can effectively prevent volatile components such as alkali metal and chlorine from escaping, and boiler slagging corrosion is avoided.

The utility model relates to the technical field of slag tapping machines, and discloses a steam boiler slag tapping machine which comprises an equipment body and further comprises a cooling mechanism and a dust falling mechanism, the inner wall of the side face of the equipment body is fixedly connected with the side face of the cooling mechanism, the top end of the dust falling mechanism is fixedly connected with the bottom end of the equipment body, and the equipment body comprises a machine shell. The top end of the machine shell is connected with a feeding hopper. Coal cinder falls into the machine shell through the feeding hopper, the servo motor is started to drive the mounting shaft to rotate, the spiral conveying paddle conveys the coal cinder and finally discharges the coal cinder from the discharging hopper, circulating water is introduced through the first connecting pipes on the two sides of the second heat exchange pipe, and the circulating water enters the second heat exchange pipe through the first connecting pipes; the coal cinder cooling device makes contact with coal cinder, takes away heat in the coal cinder for recycling, cools the coal cinder, is beneficial to improving equipment safety, prevents high-temperature coal cinder from hurting operators, and meanwhile reduces energy loss.

The invention discloses a boiler bottom air leakage treatment device and method for a power station boiler dry slag machine, and particularly relates to the field of energy conservation and emission reduction of power station boilers, the boiler bottom air leakage treatment device comprises a dry slag machine body, and boiler bottom air leakage is led out through a cooling air discharge connector, a boiler bottom air leakage discharge connector and a machine tail air leakage discharge connector; a connecting pipe; an air feeder I and an air feeder II; a booster fan; a secondary air box outlet; a slag bin and a slag discharging chamber; and a transition slag hopper. According to the device and method for treating furnace bottom air leakage of the power station boiler slag dryer, through redesign of a traditional mode that cooling air of the slag dryer enters a hearth, the problem that the cooling air of the slag dryer completing heat exchange with furnace bottom slag directly enters the hearth from the furnace bottom as furnace bottom air leakage to disturb combustion is solved; cooling air of the slag drying machine is changed from disordered furnace bottom air leakage into ordered air of secondary air organization, the combustion stability of a hearth can be effectively improved, the smoke exhaust temperature is reduced, and the carbon content of fly ash combustible materials is reduced, so that the boiler efficiency is improved, and the coal consumption is reduced.

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 invention relates to a boiler deslagging system and method for a coal-fired power plant, electronic equipment and a storage medium, and the system comprises a data collection module which is used for collecting a current image and a current temperature of boiler bottom slag; the edge calculation module is used for identifying the actual slag falling position, the actual size and the actual temperature of the falling slag; the intelligent decision-making module is used for generating slag discharging system adjusting parameters and / or starting slag removing operation according to the actual slag falling position, the actual size and the actual temperature of the falling slag and historical data; and the execution control module is used for driving the corresponding equipment to execute the corresponding deslagging action according to the deslagging system adjusting parameters and / or starting the deslagging operation. Therefore, the problems that in the related technology, due to the fact that the slag discharging system utilizes a big data analysis method, the calculation capacity is limited, a sensor only monitors the temperature and the pressure, the actual position, the actual size and the actual temperature of falling slag cannot be accurately recognized, and the intelligent boiler slag discharging system is delayed in data processing, low in recognition precision and the like are solved.

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 relates to the technical field of dust removal devices, in particular to a boiler slag bin loading dust removal device which comprises a dust removal box and a pair of positioning frames, a pair of dust pumping machines are installed on the outer side of the dust removal box, the output ends of the dust pumping machines are fixedly connected with dust pumping pipes, one ends of the positioning frames are fixedly connected with covers, and the other ends of the positioning frames are fixedly connected with the dust pumping pipes. The dust suction pipe penetrates through the cover cap, and a pair of dust suction assemblies is arranged in the dust removal box; the dust suction assembly comprises a rotating cylinder rotationally connected with the side face of the inner wall of the dust removal box. In the process that boiler slag is scraped off through the rotatable rotating cylinder, the rotating cylinder and a scraper, dust in the boiler slag is pumped through a dust pumping machine, a dust pumping pipe, a first groove hole and a second groove hole, through the arrangement of a pair of dust pumping assemblies, the dust in the boiler slag is pumped for multiple times, and the boiler slag is pumped to the maximum degree; and dust residues are reduced, and the situation that in the loading process, dust in boiler slag is raised, and pollution to the external environment is caused is avoided.

The utility model discloses a boiler slag transporter, including moving unit, material transporting unit and crushing unit, moving unit is used for moving along the specified direction, material transporting unit includes loading box, vibrating piece and shielding piece, loading box is inclined and is movably arranged on moving unit, one end of loading box is equipped with feed inlet, and the other end of loading box is equipped with crushing unit. A feeding port is formed in one end of the charging box, a discharging port is formed in the other end of the charging box, the vibrating part is connected with the charging box and used for driving the charging box to vibrate, the shielding part is arranged at the other end of the charging box and used for closing or opening the discharging port, and the crushing unit is fixedly arranged at one end of the charging box, communicates with the feeding port and is used for crushing slag. The problems that in the prior art, a slag transporting vehicle for transporting slag is large in size, a tipping bucket of the slag transporting vehicle cannot be directly moved to the position below a slag discharging opening of a boiler, and the slag is large in size and occupies a large space when stacked together are solved.

The utility model discloses a boiler deslagging and dedusting device for a power plant, which comprises a conveyor belt and a deslagging port, the deslagging port is arranged above the position of the conveyor belt, a storage box is arranged in the conveying direction of the conveyor belt, a baffle is rotatably connected to the storage box, the baffle is positioned above the position of the conveyor belt, and the deslagging port is arranged above the position of the conveyor belt. The storage box is fixedly connected with an air suction pipeline, the air suction pipeline is connected with external air extraction equipment, a sealing cover is arranged outside the conveying belt in a surrounding mode, and the slag discharging opening is communicated with the storage box through the sealing cover; according to the device, residues discharged by the boiler can be rapidly treated, fly ash generated by carrying can be effectively isolated and collected, the fly ash is prevented from being diffused to the external environment, the working environment is improved, meanwhile, waste heat of the residues can be recycled, the problem that heat exchange cannot be effectively conducted on the internal residues due to residue accumulation is solved, and the device is suitable for popularization and application. And the heat loss is 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.