318results about "Coke quenching" patented technology

The utility model relates to a limit protection device of a dry quenching elevator, which belongs to the technical field of coking dry quenching equipment and is used for protecting the limit of the dry quenching elevator. According to the technical scheme, a base is a rectangular plate, a fixing support is perpendicularly welded to the plate face of the base, an adjusting movable plate is connected with the fixing support through an adjusting fastening bolt, a limiting fixing plate is perpendicularly welded to the front end of the adjusting movable plate, and a U-shaped limiting plate is fixed to the plate face of the limiting fixing plate through a limiting fixing bolt; the two upper limiting guide plates and the two lower limiting guide plates are located on the two sides of the U-shaped limiting device respectively and are perpendicularly connected with the plate face of the limiting fixing plate in a welded mode respectively, and the upper limiting guide plates and the lower limiting guide plates on the two sides of the U-shaped limiting device respectively form two V-shaped guide grooves. The elevator limiting device is simple in structure and reliable in work, the elevator can be protected from being damaged due to the fact that the elevator is scratched by the running elevator, safety and equipment hidden dangers are effectively eliminated, and normal running of the elevator is guaranteed.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

The invention relates to a bracket structure for a chute area of a dry quenching furnace. The bracket structure is formed by building a plurality of layers of bracket bricks; and a plurality of supporting pieces are arranged between every two adjacent layers of bracket bricks, the supporting pieces are hard supporting pieces, the thickness of the supporting pieces is the same as that of mortar joints, the top faces of the supporting pieces make direct contact with the upper layer of bracket bricks, and the bottom faces of the supporting pieces make direct contact with the lower layer of bracket bricks. The supporting pieces are placed in the refractory mortar joints between the bracket brick layers, so that the problems of sinking of the annular air duct and cracking of the chute partition wall caused by deformation of the bracket mortar joints and inaccurate bracket elevation control are effectively prevented, the masonry quality of the dry quenching furnace is improved, and the service life of the dry quenching furnace is prolonged.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

The utility model discloses a dust removal device for reducing particulate matters in a quenching tower, which belongs to the technical field of wet quenching dust removal and comprises four stages of serial dust removal structures arranged in the quenching tower from bottom to top in sequence. Comprising a first-stage dust removal device, a second-stage dust removal device, a third-stage dust removal device and a fourth-stage dust removal device, the first-stage dust removal device is arranged above the top of the quenching car and comprises an upper-layer dust removal baffle group, a middle-layer dust removal baffle group and a lower-layer dust removal baffle group, each layer of dust removal baffle group comprises a plurality of dust removal baffles which are arranged in parallel, and each dust removal baffle is fixedly connected with the inner wall of a quenching tower; the third-stage dust removal device comprises a louvered dust removal plate, the fourth-stage dust removal device comprises a water mist spraying system, and the technical problems that an existing coke quenching tower is low in dust removal efficiency, poor in particulate matter stage treatment capacity, insufficient in harmful gas treatment and the like are effectively solved.

The utility model relates to a carbon dioxide comprehensive utilization system taking dry quenching as a core. The carbon dioxide comprehensive utilization system comprises a dry quenching circulation system, a carbon dioxide preparation system, a carbon monoxide separation device and a hydrogen separation device, the dry quenching circulating system comprises a dry quenching furnace, a primary dust remover, a boiler, a secondary dust remover and a circulating fan which are sequentially connected through a circulating gas pipeline; the carbon monoxide separation device and the hydrogen separation device are connected with a circulating gas pipeline at the downstream of the circulating fan; the carbon dioxide preparation system comprises a coke oven flue, a carbon dioxide separation device and a chimney. According to the system disclosed by the utility model, carbon dioxide separated from industrial waste gas is used as dry quenching circulating gas, a new way for consuming carbon dioxide is developed, the emission of carbon dioxide is reduced, the safety of dry quenching production is ensured, and carbon monoxide and hydrogen are obtained.

The utility model discloses a sealed coke tank for dry quenching, and relates to the technical field of coke quenching tanks. The device comprises a coke tank, a first sealing cover, a second sealing cover, a water seal support and a liquid injection nozzle, a feeding port is arranged at the top end of the coke tank, the water seal support is fixedly sleeved outside the feeding port, the liquid injection nozzle is mounted at the upper end of one side of the water seal support, and a liquid discharge nozzle is mounted on the lower side of the other end of the water seal support. According to the device, a first sealing cover and a second sealing cover are arranged at a feeding port for pouring in a covering mode, at the moment, an inserting cover is inserted into an embedding groove, so that a gap between the first sealing cover and the second sealing cover is filled, and in order to further guarantee the sealing effect, a liquid injection nozzle is matched with a pressurizing liquid pump to pump liquid in a liquid box into a water seal support; therefore, the bottoms of the first sealing cover, the second sealing cover and the inserting cover are further sealed through liquid, sealing of the focusing tank is guaranteed, and heat loss of the focusing tank in the moving process is avoided.

The utility model provides a coke pot trolley walking mechanism suitable for a curve. The coke pot trolley walking mechanism comprises a frame; a plurality of wheels are arranged at the bottom of the frame, and inclined areas and connecting areas are sequentially arranged at the ends, making contact with the rails, of hubs of the wheels; the center plate structure is arranged on the frame, the center plate structure comprises an upper center plate and a lower center plate, and an adjusting structure is arranged between the upper center plate and the lower center plate and used for generating rolling friction between the upper center plate and the lower center plate. The inclined areas are arranged on the wheels to effectively cope with lateral force brought by a curve, the adjusting structure in the center plate structure can bear very large axial load and radial load, and the adjusting structure and the center plate structure work cooperatively, so that the coke tank trolley can safely and stably pass through the curve, the risk of overturning of the trolley and a coke tank is greatly reduced, and the service life of the coke tank trolley is prolonged. And the transportation requirement under a complex reshipment route is met, the production efficiency is improved, and the production safety is guaranteed.

The invention discloses a coke tank uncovering / capping device and a coking production system, the coke tank uncovering / capping device comprises a fixed frame, two fork tooth groups are mounted on the fixed frame, the upper ends of fork teeth are respectively provided with a slope and a placing platform distributed at the tail end of the slope, and the height of the slope is gradually increased along a first direction; two hanging piece groups are arranged at the upper end of the can cover, and hanging pieces are respectively provided with hanging ports into which the corresponding fork teeth are inserted; the lifting mechanism is mounted on the carrier loader, and the lifting mechanism and the coke tank are distributed at intervals in the direction deviating from the first direction; the hanging lug is installed on the tank cover and vertically corresponds to the lifting mechanism, an inserting groove used for containing the lifting end of the lifting mechanism is formed in the lower end of the hanging lug, and a notch communicated with the inserting groove is formed in the side, corresponding to the first direction, of the hanging lug. Accurate fixed-point alignment of the carrier loader is not needed, driving power is provided through movement of the coke tank car, uncovering / capping actions can be completed in the running process, and an extra power source is not needed.

The utility model discloses a kind of circulating water-saving quenching tank, belong to quenching equipment technical field.The device includes tank body, three-layer spray pipe, first spray pipe configuration atomizing nozzle, second spray pipe heavy fan-shaped nozzle, third spray pipe configuration columnar nozzle, cyclone separator, settling tank and laminated filter.Through layered spray design, upper atomizing nozzle pre-cools coke, middle layer fan-shaped nozzle evenly covers coke surface, lower layer columnar nozzle high-pressure flush bottom, in combination with cyclone separation and filter recycling technology, realize waste water closed circuit circulation.Tank body top is provided with steam collection cover and condenser, and steam condensate is recycled to supplement spray system.It is suitable for coking plant wet quenching process.

To provide a coke dry extinguishment facility and a sloping flue part structure capable of promoting discharge of red-hot coke from a sloping flue part.SOLUTION: A coke dry extinguishment facility comprises a cooling tower including a spare room, a cooling chamber, an annular duct, and a sloping flue part. The sloping flue part includes an annular wall extending upward from an upper end part of the cooling chamber so as to surround a lower end part of the spare room from outside, and a plurality of support walls extending in a radial direction of the cooling chamber between the lower end part of the spare room and the upper end part of the cooling chamber and the annular wall and arranged in a circumferential direction of the cooling chamber. The inner peripheral surface of the annular wall includes an inclined surface expanding outward in the radial direction of the cooling chamber as it goes upward. In a vertical cross-section including one of the support walls, a first intersection at which the inclined surface intersects with an inner peripheral surface of the cooling chamber is located above a second intersection at which a lower end of the one support wall intersects with the inner peripheral surface of the cooling chamber.SELECTED DRAWING: Figure 3

This invention relates to the field of coal pyrolysis technology, and more particularly to a three-stage continuous cooling structure and a semi-coke cooling control method for a low-rank coal pyrolysis device. The three-stage continuous cooling structure includes a transition section, an air-cooling section, and a water-cooling section. Multiple semi-coke feeding pipes are connected to the bottom of each carbonization chamber. The transition section, air-cooling section, and water-cooling section are arranged from top to bottom along the semi-coke feeding pipes. A quenching buffer section is equipped with a quenching buffer tank, and the lower end of the semi-coke feeding pipe is connected to the quenching buffer tank. The air-cooling section includes an air-cooling box located around the semi-coke feeding pipe, and the water-cooling section includes a cooling water tank located around the semi-coke feeding pipe. The coke discharge port at the bottom of the quenching buffer tank is connected to a coke pushing and discharging mechanism. The semi-coke after high-temperature carbonization is gradually cooled to a safe temperature through the three-stage continuous cooling system, achieving gradient cooling of the semi-coke while fully recovering the waste heat of the semi-coke. This also reduces water consumption and prevents the semi-coke from being crushed or oxidized due to rapid cooling, effectively improving the energy efficiency and product quality of the low-rank coal pyrolysis device.

The utility model provides a system for increasing the temperature of a dry quenching calcium-based dry desulfurization agent, which belongs to the technical field of dry quenching desulfurization and comprises a dust removal system, a desulfurization system, an electric tracing band, a heat exchanger and a compressed air pipeline, the dust removal system comprises a dust removal cover, a low-temperature dust removal pipeline, a high-temperature dust removal pipeline, a heat storage cooler, a bag type dust collector, a dust removal fan and an exhaust funnel, the dust removal cover is arranged at the discharge port of the dry quenching body, and the dust removal cover, the low-temperature dust removal pipeline, the heat storage cooler, the bag type dust collector, dust removal air and the exhaust funnel are sequentially connected; the two ends of the high-temperature dust removal pipeline are respectively connected with the dry quenching body and the heat storage cooler; according to the system, when the calcium-based dry desulfurization system is under the working condition in winter, the purposes of enhancing the desulfurization effect, reducing the content of a desulfurizing agent and reducing the operation and maintenance cost are achieved.

The utility model discloses a dry quenching coke loading system capable of reducing dust emission, which comprises a furnace cover opening and closing mechanism arranged on one side of a furnace mouth of a dry quenching furnace, a loading device for dry quenching, a tail coke hopper arranged on one side of the furnace mouth of the dry quenching furnace, and a movable coke tank suspended above the furnace mouth of the dry quenching furnace, two running rails are arranged on the two sides of a top port of the loading device side by side, a movable plate trailer is arranged on the two running rails, a movable motor is arranged on the movable plate trailer, walking wheels are arranged at the bottom of the movable plate trailer, and a cover plate used for shielding an upper port of the loading device is arranged on the front portion of the movable plate trailer. The cover plate is driven by the movable plate trailer to transversely move left and right along the running track, the upper layer of the cover plate is a metal plate, and the lower layer of the cover plate is provided with a high-temperature-resistant heat insulation material layer. Limiting switches are arranged at the two ends of the running track respectively. According to the utility model, the loading device is sealed after coke loading is finished, so that the dust removal effect is prevented from being influenced by the entrance of wild wind, and dust can be prevented from being dissipated.

The invention discloses a detection method for preventing a dry quenching carrier loader from receiving coke in a full tank, which belongs to the technical field of coking and comprises the following steps: S1, mounting a weighing device on an elevator beam of a dry quenching tower, weighing a coke tank when the carrier loader reaches the dry quenching tower to replace the coke tank, and generating coke tank state information in a dry quenching elevator PLC (Programmable Logic Controller); the dry quenching elevator PLC communicates with the carrier loader to update a coke tank state signal of the carrier loader; after the carrier loader reaches the position below the coke barrier car, a coke tank state signal and an alignment signal of the carrier loader are verified, if the coke tank state signal and the alignment signal of the carrier loader pass verification, normal coke pushing is allowed, and otherwise, triggering of a coke pushing signal is not allowed; and after coke pushing is completed, the coke tank state signal of the carrier loader is updated to be a full tank signal. The scheme ensures that the coke tank is in an empty tank state during coke receiving, improves the safety of the coke dry quenching system, has the characteristics of high intelligence and strong practicability, only needs one set of weighing device, and is low in cost.

The utility model provides an improved dry quenching furnace, and relates to the field of dry quenching furnaces, the improved dry quenching furnace comprises a dry quenching furnace, the dry quenching furnace comprises a furnace top, a pre-storage section, a cooling section and a cone hopper, the furnace top, the pre-storage section, the cooling section and the cone hopper are fixedly connected in sequence, and the pre-storage section is arranged on the furnace top. Pouring layers are arranged on the inner wall of the pre-storage section, the inner wall of the cooling section and the inner wall of the conical hopper, reinforcing ribs which are arranged in a crossed mode are arranged in the pouring layers, and a high-temperature-resistant layer and a wear-resistant layer are sequentially arranged on the outer surface of each pouring layer. Heat insulation layers are arranged between the pouring layer and the pre-storage section, between the pouring layer and the cooling section and between the pouring layer and the conical hopper, the pouring layer is additionally arranged on the inner wall of the conical hopper, reinforcing ribs are additionally arranged in the pouring layer, the abrasion resistance of the conical hopper can be effectively improved, the heat insulation layers are additionally arranged, and the abrasion resistance of the conical hopper is improved. And heat can be prevented from overflowing.

The invention discloses a smoke dust collecting system of a coke receiving and quenching car, and belongs to the technical field of coke oven equipment, the collecting system comprises a platform trailer, a dust remover, a conveying pipeline, a movable platform and a dust collecting hood, the platform trailer is connected to the rear side of a tractor, the dust remover is installed on the platform trailer, and the conveying pipeline is connected with the movable platform. The movable platform is arranged above the coke receiving hopper and the pull rod, the dust collecting cover is mounted on the movable platform and moves on the movable platform, and the two ends of the conveying pipeline are communicated with the dust remover and the dust collecting cover respectively. Through the arrangement of the dust collection cover, dust can be adsorbed in the coke receiving and transporting process, the situation that dust escapes into air and pollutes the environment is avoided, through the arrangement of the movable platform, the dust collection cover has the capacity of moving on the horizontal plane, so that the dust collection cover can be close to a furnace opening, and the dust adsorption capacity of the dust collection cover is improved; meanwhile, when the coke receiving hopper is overturned, the dust collecting cover can be far away from the upper part of the coke receiving hopper, so that interference is avoided.

According to the method for rapidly treating coke floating of the chute of the dry quenching furnace, compared with an existing treatment mode only through technological parameter adjustment, the chute opening can be directly observed by opening a bolt hole in the dry quenching furnace, the serious coke floating area can be accurately positioned, treatment blindness caused by indirect judgment is avoided, and the coke floating effect is improved. Each floating coke can be treated in a targeted manner, the coke poking tool is matched to directly act on the floating coke part, so that the floating coke can rapidly fall back without repeatedly adjusting the coke discharging amount and the circulating air amount, whether the floating coke completely falls back or not can be confirmed by naked eyes after the treatment is completed, parameter feedback does not need to be waited, the treatment period is remarkably shortened, and the efficiency is improved. The normal production rhythm of the dry quenching furnace is quickly recovered, and continuous and stable operation of the dry quenching process is ensured.

The invention relates to a sealing device for a feed opening of a coke wharf coke baffle and a working method thereof, and the sealing device for the feed opening of the coke wharf coke baffle comprises a steel wire rope winding and unwinding mechanism, a sealing adhesive tape winding and unwinding mechanism and a sealing carrier roller mechanism, and further comprises a sealing control system. A steel wire rope winding drum is matched with a sealing tape winding drum, automatic laying of a sealing tape at the bottom of a coke baffle discharging opening is achieved, tight attachment of the sealing tape and the coke baffle discharging opening is achieved through a sealing carrier roller, and automatic control over the sealing process is achieved through a control system. Finally, effective sealing of the feed opening of the coke wharf coke baffle is achieved, and normal operation of a wet quenching system is not affected.

This invention belongs to the field of refractory materials for coke ovens in the coking industry, specifically relating to a refractory coke oven lining repair material and its preparation and application method. This application uses high-alumina bauxite, calcium hexaaluminate, calcite, biotite, wollastonite, and pyrophyllite as main materials, BaO as additives, and borosilicate glass powder and calcium phosphate as binders. Because the main materials of this repair material include high-alumina bauxite and calcium hexaaluminate, it has a high degree of compatibility with the original castable refractory, resulting in strong bonding. A single repair can extend the service life by more than one year, and it can be repeatedly repaired, thereby greatly improving the overall service life of the coke oven lining, reducing coke oven costs, and eliminating resource waste. This repair material can directly repair damaged parts of the coke oven without treating the lining, meeting the coke oven's usage conditions and enabling the reuse of the lining. Furthermore, the repair material's preparation method is simple, has a short construction cycle, and is easy to industrialize.

The utility model discloses a dry quenching dedusting ash recycling and reusing injection system which comprises a dry quenching dedusting ash storage bin, a rotary valve, a pneumatic injection conveying system, a conveying pipeline and a mill feeding device, an outlet in the lower portion of the dry quenching dedusting ash storage bin is connected with an inlet of the rotary valve, and an outlet of the rotary valve is connected with an online injector. The online ejector comprises a solid material inlet, a gas inlet and a gas-solid mixture ejection opening, the solid material inlet is connected with the rotary valve outlet, the gas inlet is connected with one end of the gas conveying pipeline, and the gas-solid mixture ejection opening is connected with one end of the mixture conveying pipeline; an outlet of the mixture conveying pipeline is connected with at least one mill coal dropping pipe of the coal injection station, and a mill feeding device is arranged at the mill coal dropping pipe; the rotary valve comprises a rotor and a shell, the shell is provided with a feeding port and a discharging port, the rotor is arranged in the shell and located between the feeding port and the discharging port, and the gap between the rotor and the shell is smaller than 0.8 mm.

The embodiment of the present application provides a dry quenching furnace device, which comprises a pre-storage area and a cooling area, the pre-storage area comprises a conical loading area and an annular air channel area from top to bottom in sequence, a first elastic buffer device and a second elastic buffer device are arranged in a first shell part of the dry quenching furnace; the cooling area comprises a chute area, a cooling area straight section and an upper cone hopper area from top to bottom in sequence, a third elastic buffer device is arranged in a second shell part of the dry quenching furnace. The embodiment of the present application can improve the structural strength and stability of the dry quenching furnace, and prolong the service life of the dry quenching furnace.

The invention relates to a coke discharging and dust removing system and process for a coke oven. The coke discharging and dust removing system for the coke oven comprises a coke barrier car dust collecting cover, a smoke guide pipe, a movable connecting mechanism and a smoke conversion device, one end of the smoke guide pipe is connected with a coke barrier dust hood, the other end of the smoke guide pipe is connected with the smoke conversion device through the movable connecting mechanism, and the movable connecting mechanism is movably connected with the smoke conversion device in a sealed mode. Aiming at a coke oven adopting a full dry quenching process, the flue gas conversion device is arranged on the ground, a dust collection cover of a coke barrier car is movably butted with the flue gas conversion device which is mounted on the ground through a flue gas guide pipe and a movable connecting mechanism, and flue gas generated in a coke discharging process is guided into a coke discharging and dust removing ground station to be treated; compared with a conventional mode of arranging the flue gas conversion device at a high position, a steel structure or a reinforced concrete support is omitted, or the height of the support is greatly reduced, the construction cost is reduced, the construction period is shortened, and the equipment maintenance and inspection convenience is improved.

The embodiment of the utility model provides a tail coke extinguishing and collecting device of a 6m top-charging coke oven, which comprises a material receiving hopper, an upper water tank, a high-pressure water pump and a tail coke chute which are arranged on a coke barrier car, and a coke-water separating hopper arranged on a coke quenching trolley, the receiving hopper is located below a coke oven tail coke outlet, the tail coke chute is of an inclined groove-shaped structure with two open ends, and the top end of the tail coke chute is connected with the receiving hopper; the upper water tank is communicated with the top end of the tail coke chute through a high-pressure water pump; a feeding hole is formed in the top of the coke-water separation hopper, is positioned below the tail coke chute, and is larger than the bottom end of the tail coke chute; and a screen for separating tail coke from water is also arranged in the coke-water separation hopper. According to the technical scheme, the tail coke entering the tail coke chute is scoured, extinguished and transported through the high-pressure water, so that the problem of high failure rate caused by direct contact between a scraper mechanism and the tail coke is avoided, the normal operation of production is further ensured, and the tail coke treatment capacity is improved.

This invention discloses a device for detecting the presence of coke in coke cans on a dry quenching coke transport vehicle, belonging to the field of coking technology. It includes a frame, a rotating turntable, and a support assembly. The support assembly consists of several sets of support seats and three sets of weighing platforms. The support seats and weighing platforms are evenly distributed in a ring on the upper surface of the frame, with the included angle between the three sets of weighing platforms being 120°. The rotating turntable is positioned above the support assembly and is guided by the support assembly to rotate. By placing the weighing platforms below the rotating turntable, the combined action of the support seats and weighing platforms achieves both support and guidance for the rotating turntable, without affecting its rotational function. This also enables real-time detection of the actual weight of the coke cans, revealing the current coke storage status within the cans. The use of three sets of weighing platforms at a 120° angle ensures the accuracy and stability of the weight acquisition signal. Furthermore, the cross-verification of the detection data from the three sets of weighing platforms ensures the accuracy of the detection results.

The application discloses a method for eliminating the vibration of a dry quenching auxiliary economizer, and relates to the technical field of dry quenching outside a furnace, which comprises the following steps: after discovering abnormal vibration of the auxiliary economizer, a handheld vibration detector is used to monitor the tube box of the auxiliary economizer; when the vibration speed of a local point of the tube box shell is not less than 6.5 mm / s, it is judged that the vibration source is the tube box shell, the heat preservation layer of the tube box is removed, the shell is reinforced by using a profile steel, and the abnormal vibration is eliminated; when the vibration speed of multiple points around the tube box shell is not less than 6.5 mm / s, it is judged that the vibration source is the tube box inner row pipe, the machine is stopped, the row pipe attachments are washed by high-pressure water, if the abnormal vibration is not eliminated, a flow guide device is installed on the row pipe, and the abnormal vibration is eliminated. Through the method, the cause of the abnormal vibration of the auxiliary economizer during operation can be quickly judged, the fault can be treated in time, the water leakage accident caused by the severe abrasion of the internal row pipe due to the long-time abnormal vibration can be prevented, and the method has the beneficial effects of saving cost and reducing the maintenance time.

The utility model discloses an anti-slip device of a vibrating feeder, which is arranged on the upper part of a trough of a coke dry quenching and discharging system, is fixed with the trough through a hole channel and a manhole cover at the upper end of the trough, and comprises a coke blocking rod, a stuffing box, a gland, a packing and the like, the coke blocking rod is arranged in the middle of the stuffing box and the gland, and the packing is arranged in the middle of the gland. An anti-skid structure is arranged at the upper end of the coke blocking rod to prevent the coke blocking rod from rotating and moving downwards, the lower end of the coke blocking rod is inserted into coke in the material groove to prevent the coke chute phenomenon, and carbon monoxide gas in the material groove is prevented from leaking through the packing pressed between the stuffing box and the gland. The anti-slip device of the vibration feeder is reasonable in structural design, the coke blocking rods are convenient to press, only the manhole cover needs to be replaced, the anti-slip device of the vibration feeder is wide in adjusting range, different numbers of coke blocking rods are selected to be inserted according to the slip amount, and the operation cost is low.

This invention discloses a primary dust collector for dry quenching coke, comprising a dust collection box, an input cylinder connected to one side of the dust collection box, a blower fixedly connected to one side of the input cylinder, a gas output cylinder connected to the other side of the dust collection box, and a replacement cover movably connected to the top of the dust collection box. The top of the replacement cover has an opening, and a slider is movably connected inside the opening. A fixing plate B is fixedly connected to the bottom of the slider. Through the use of filter bags and a vibration motor, the filter bags replace traditional baffles for removing particles from the gas. They not only adsorb large particles but also small particles, thus greatly improving the dust removal effect. The vibration motor is used to automatically clean the filter bags when they need to be cleaned, avoiding the need for manual cleaning.

To provide a wet extinguishing method for coke capable of reducing a moisture content of coke discharged from a wharf while completely extinguishing red-hot coke.SOLUTION: Watering after taking coke out of a kiln is divided into the watering for fire extinguishing equipment (primary watering) and the watering for a wharf (secondary watering), an amount of the watering (primary watering) at the fire extinguishing equipment is adjusted so that a coke temperature immediately after discharging to the wharf is equal to or higher than a minimum limit discharge temperature, a top of the wharf is partitioned into virtual partitions, and a total amount of water of the watering is reduced by watering (secondary watering) in each section on the wharf where the coke temperature exceeds an upper limit discharge temperature.SELECTED DRAWING: None