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430 results about "Coke oven" patented technology

A coke oven is a device used to produce coke, a product that is derived from coal. The mixing and heating of bituminous coal at temperatures ranging from around 1832° to 3632°F (1000° to 2,000°C) within the airless oven yields the coke byproduct. This device is a crucial part of the coke-making process.

Coke oven carbonization chamber numerical simulation model based on CPFD method

The invention relates to the technical field of computer fluid dynamics, in particular to a coke oven carbonization chamber numerical simulation model based on a CPFD method, which comprises the following steps: carrying out structural grid division to generate a computational domain grid for solving a carbonization process; setting physical property parameters, boundary conditions, initial conditions and chemical reaction kinetic parameters of the coal particles and the gas phase; a CPFD multiphase coupling model is constructed; solving the CPFD multiphase coupling model to obtain dynamic evolution data of pyrolysis gas flow, coupling heat transfer and chemical reaction processes in the carbonization chamber; and outputting simulation results of a temperature field, a pressure field, a gas component concentration field and coal pyrolysis product distribution in the carbonization chamber. The method has the advantages that the particle swarm is regarded as a quasi-continuous medium for statistical description, and the optimal balance is ingeniously obtained between the calculation efficiency and the calculation precision, so that full-size and high-fidelity numerical simulation of dense gas-solid two-phase flow and reaction process involving millions of particles in an industrial-scale coke oven carbonization chamber becomes possible.
Owner:ACRE AUTOMATION CO LTD MCC +2

Expansion pressure detection method applied to electric heating coke oven

ActiveCN121475495AElectrical coke oven heatingCoke oven safety devicesThermodynamicsProcess engineering
The invention relates to the technical field of coke oven operation control, in particular to an expansion pressure detection method applied to an electric heating coke oven, which comprises the following steps: dividing coking stages based on coal state change in a historical coking period of the electric heating coke oven, and setting a reference acquisition frequency for each coking stage; for each coking stage, real-time data acquisition is carried out based on the reference acquisition frequency, and expansion pressure detection data is obtained; performing pressure anomaly calculation on the expansion pressure detection data to obtain an expansion pressure change rate and an expansion pressure distribution characteristic; correcting the reference acquisition frequency according to the reference acquisition frequency to obtain a dynamic acquisition frequency corresponding to the coking stage; and generating expansion pressure detection alarm information in response to the condition that at least one of the expansion pressure detection data, the change rate, the distribution characteristic and the dynamic acquisition frequency exceeds a corresponding preset warning threshold value. Acquisition frequency can be dynamically adjusted along with coal expansion characteristics, timeliness of pressure peak capture is guaranteed, and redundant data in a stable stage is reduced.
Owner:SHANXI YAXIN XINNENG TECH CO LTD

Weight lifting device of coke oven heating exchange system

The utility model relates to a weight lifting device of a coke oven heating exchange system, which comprises a chain and a locking device, one end of the chain is connected with a transmission device of the coke oven heating exchange system, and the other end of the chain is connected with a waste gas weight and an air door through the locking device; the locking device is composed of a locking ring and a locking ring. The opening of the locking ring is locked and connected through matching of threads and a locking nut; the locking ring is arranged in the locking ring, and an opening of the locking ring can be sealed through the movable ring body. A traditional shackle type connection mode is improved into a double-insurance structure composed of the locking ring and the locking ring, the weight falling prevention function can be effectively achieved, the chain clamping condition during weight lifting can be effectively prevented, the accident rate of weight falling and clamping of the exchange transmission device in the heating process of the coke oven is greatly reduced, and the service life of the exchange transmission device is prolonged. The production safety is improved, and the smooth production of the coke oven is ensured.
Owner:ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC

Heat recovery equipment for coke oven

The utility model relates to the technical field of heat recovery of coke ovens, in particular to heat recovery equipment for coke ovens, which comprises a coke oven, a connecting pipe A used for transmitting hot air is fixedly connected to the upper end of the coke oven, a fan used for exhausting air is fixedly connected to one side of the connecting pipe A, and a precipitation cabin is fixedly connected to one end, far away from the coke oven, of the connecting pipe A; a water pipe is arranged in the precipitation cabin, a connecting pipe B is arranged at one end of the precipitation cabin, and a filtering cabin is fixedly connected to the end, away from the precipitation cabin, of the connecting pipe B. According to the device, the water pipe is heated when hot air is pumped out, filtering is conducted through alignment of a first filtering plate, and meanwhile fan blades are driven to rotate when the hot air is exhausted; therefore, a worker can better judge the use condition of the first filter plate, meanwhile, when the first filter plate is blocked, hot air enters the other part of the filter bin through the branch pipe and is filtered through the second filter plate, and the heat recovery equipment for the coke oven is achieved.
Owner:HENAN ANGANG ZHOUKOU IRON & STEEL CO LTD +3

Construction method of composite heat insulation sealing structure for coke oven body

The invention relates to the technical field of data analysis, in particular to a construction method of a composite heat insulation sealing structure for a coke oven body, which comprises the following steps: determining a monitoring target, dividing the monitoring target into a plurality of monitoring areas, arranging a sensor, and analyzing and determining a gas escape characterization value, a vibration rule characterization value and a sound wave array characterization value. Calculating an abnormal sealing characteristic value for determining the leakage risk of the monitoring area, judging whether stress and pressure monitoring is carried out or not, and collecting stress data of the coke oven body with the high leakage risk so as to construct a stress time hysteretic curve and obtain a stress hysteretic effect characterization value; and setting a dynamic pressure sensor at the coke oven body and the related position to determine a pressure related characterization value, calculating a structure reaction characteristic value by combining the abnormal sealing characteristic value so as to determine whether to send out an early warning signal, and adjusting the strength of the early warning signal based on the structure reaction characteristic value. And the sealing detection efficiency and accuracy are improved.
Owner:ETUOKE BANNER JIANYUAN COAL CHEM TECH CO LTD

Coke oven blowing-out system

The utility model provides a coke oven blowing-out system and relates to the technical field of coke ovens. The device comprises a plurality of carbonization chambers, a gas collecting pipe is communicated with the carbonization chambers, a purging pipe and a diffusing pipe are communicated on the gas collecting pipe, a gas source pipe is communicated with the purging pipe, the diffusing pipe is communicated with an exhaust pipe, and the exhaust pipe is sequentially provided with a heat exchange unit, a filter unit, a combustion unit, a purification unit and a discharge unit. When the coke oven is shut down, gas blown out of the coke oven is discharged after being treated, so that environmental pollution is avoided.
Owner:SICHUAN DAXING ENERGY CO LTD

Anti-clogging coking system and coking method

ActiveCN116536067BPtru catalystCarbonization
The present application provides an anti-blocking coke making system and method, the system comprising: a coke making furnace, a vibrating screen machine, a cooling machine and a conveying mechanism. The method comprises: raw coal particles enter the coke making furnace, and pass through a pre-carbonization section, a carbonization section and an activation section in turn, wherein aluminum oxide balls are introduced into the carbonization section to mix and heat with carbonization material, and the carbonization material is activated in the activation section to obtain active coke, which is discharged from a discharge port together with the aluminum oxide balls; the active coke and the aluminum oxide balls are separated in the vibrating screen machine, wherein the active coke is cooled in the cooling machine, and the aluminum oxide balls are sent back to the carbonization section of the coke making furnace by the conveying mechanism for recycling. The present application uses aluminum oxide balls as catalysts to decompose heavy tar with high viscosity into light tar with low viscosity, preventing the blocking problem caused by the mixture and agglomeration of tar and dust, and the catalysts can be recycled.
Owner:XIAN THERMAL POWER RES INST CO LTD +2

Coking solid waste treatment device

The invention relates to the technical field of solid waste treatment, and discloses a coking solid waste treatment device, which comprises: a material mixing assembly, which comprises a double-screw conveyor and a coal bunker arranged at the top of the double-screw conveyor, and a discharge port of the double-screw conveyor is connected to a bucket elevator; the moving assembly comprises a sliding way, a sliding block arranged in the sliding way, a moving base arranged on the sliding block, a first motor arranged on the sliding way, a first transmission piece connected with the first motor and the sliding block and an overturning assembly. According to the coking solid waste treatment device, coking solid waste and coal are mixed and then directly conveyed to the coke oven for coking through the coking belt, stacking in a coal yard is avoided, and therefore the coking solid waste is prevented from polluting soil; the solid waste is prevented from being accumulated at one position to influence the mixing efficiency of the double-screw conveyor, and the coke quality and the solid waste treatment efficiency are improved.
Owner:SHANXI HONGTAILAI ENVIRONMENTAL PROTECTION CO LTD

High-efficiency trapping and treating device for dry quenching coke loading smoke dust

The utility model relates to the technical field of dust and smoke dust removal, in particular to a high-efficiency trapping treatment device for dry quenching coke loading smoke dust, which comprises an induced draft fan, a connecting pipe mounted at one end of the induced draft fan, a dust removal box connected with the other end of the induced draft fan, a first dust removal bin and a second dust removal bin arranged in the dust removal box, a coarse filter screen mounted in the first dust removal bin, and a second filter screen mounted in the second dust removal bin, a dust removal filter element is mounted in the second dust removal bin; a pulse tube is mounted at one end of the pulse dust collector; the dust removal device has the beneficial effects that the dust and smoke outlet in the production process of the dry quenching furnace can be connected with the connecting pipe of the induced draft fan, the induced draft fan is started to enable the dust and smoke to enter the dust removal box, and when the dust and smoke pass through the first dust removal bin, coarse dust particles in the dust and smoke can be intercepted by the coarse filter screen and directly fall down; and the fine dust particle airflow enters the dust removal filter element in the second dust removal bin and is captured by the dust removal filter element in the second dust removal bin, and the dust removal filter element can be regularly subjected to dust removal by a pulse pipe through a pulse dust remover to avoid blockage.
Owner:CHINA PINGMEI SHENMA GRP XUCHANG SHOUSHN CHEM TECH CO LTD

Expansion pressure detection method applied to electrically heated coke oven

ActiveCN121475495BReflect the stress situationAssess risk of injuryElectrical coke oven heatingCoke oven safety devicesThermodynamicsProcess engineering
The present application relates to coke oven operation control technical field, especially to a kind of applied to electric heating coke oven expansion pressure detection method, comprising: based on the coal material state change in the historical coking cycle of electric heating coke oven division coking stage, and set reference collection frequency for each coking stage;For each coking stage, based on reference collection frequency, real-time data acquisition is carried out, and expansion pressure detection data are obtained;Expansion pressure detection data are calculated for pressure anomaly, and expansion pressure change rate and expansion pressure distribution characteristics are obtained;And according to this, reference collection frequency is revised, and the dynamic collection frequency corresponding to the coking stage is obtained;In response to at least one of expansion pressure detection data, change rate, distribution characteristics and dynamic collection frequency exceeds corresponding preset warning threshold, expansion pressure detection alarm information is generated.It can make collection frequency dynamic adjustment with coal material expansion characteristics, ensure the timeliness of pressure peak capture, reduce redundant data in stable stage.
Owner:SHANXI YAXIN XINNENG TECH CO LTD

Coke oven riser turning plate pressure regulation control system

The utility model provides a pressure regulation control system for a riser of a coke oven. The pressure regulation control system comprises a PLC (Programmable Logic Controller) system, a remote monitoring system, a remote IO (Input / Output) system and a riser opening and closing regulation system, the PLC system is used for controlling the opening degree of a turning plate of the whole turning plate pressure regulating control system and changing the area of a channel of the raw gas guided into the gas collecting pipe; the remote monitoring system is installed in a central control room; the remote IO system is used for collecting and transmitting information of the turning plate air cylinder on site and transmitting an executed control instruction; and the ascending pipe opening and closing adjusting system is used for receiving information of the PLC system to open and close a flap valve of an ascending pipe bridge pipe. According to the system, a cylinder, a valve positioner and other components are arranged on a mechanical water seal flap valve, a PLC system is used for controlling the opening degree of a flap, the area of raw gas guided into a gas collecting pipe channel is changed, and the purpose of adjusting the bottom pressure of a carbonization chamber is achieved by adjusting the guided-out amount of the raw gas.
Owner:NINGBO IRON & STEEL +1

A coke oven wall temperature measuring device

The present disclosure relates to the technical field of coke oven temperature measurement, and an embodiment of the present disclosure provides a coke oven wall temperature measurement device, which comprises a preset bottom plate, a vertical plate and a main frame. The vertical plate is arranged on the preset bottom plate, and the main frame is arranged on the vertical plate. A driving temperature measurement assembly is arranged between the main frame and the vertical plate. A supporting movement assembly is arranged between the preset bottom plate and the vertical plate. A closed protection assembly is arranged on the vertical plate. The driving temperature measurement assembly comprises a long opening, which is vertically arranged on the side surface of the vertical plate. The main frame is transversely and slidingly connected in the long opening. The main frame has a door-shaped structure as a whole. A plurality of temperature sensors are arranged on the upper end and the lower end of the two sides of the main frame. Through the above technical solution, the technical problem that most coke oven temperature measurement devices in the prior art are limited by the special closed structure of the coke oven and the high-temperature and strong-corrosion environment, and cannot directly and deeply measure the temperature of the oven wall is solved.
Owner:河北中增智能科技有限公司

Method for judging and maintaining sealing performance of coke oven body

PendingCN121610270ACoke oven safety devicesCoke oven detailsThermodynamicsExhaust fumes
The invention provides a coke oven body sealing performance judgment and maintenance method, and belongs to the technical field of coke oven coking. The method comprises the following steps: detecting a coke oven gas temperature value in real time by a temperature sensor; the coke oven gas comprises coal gas and air used for heating the coke oven and waste gas generated by the coke oven; judging whether the sealing performance of the coke oven body is abnormal or not according to the relationship between the coke oven gas temperature value and a preset safety threshold value; and judging whether the sealing performance of the coke oven body is abnormal or not according to the relationship between the periodic variation of the coke oven gas and the temperature change threshold. According to the result of judging the sealing performance of the coke oven body by the coal gas and the air and the result of judging the sealing performance of the coke oven body by the waste gas, determining the sealing performance abnormity type of the coke oven; and determining coke oven maintenance measures according to the coke oven sealing abnormity type. According to the method, the sealing performance of the coke oven body is represented by quantizing the temperature change of the coke oven air temperature, so that the deterioration of the sealing performance of the coke oven body is judged in advance, the range of manually checking the sealing performance of the oven body is further narrowed, the working intensity is reduced, and the heating of the coke oven and the maturity of coke are stabilized.
Owner:ANGANG STEEL CO LTD

Fireproof transformation structure of excitation wire of coke oven coal charging car

The utility model provides a fireproof transformation structure of an excitation wire of a coke oven coal charging car, which comprises the excitation wire, a plurality of waste oil pipes are sleeved on the outer side of the excitation wire, and when the number of the waste oil pipes is more than two, the adjacent waste oil pipes are connected and fixed through metal wires. A metal protection tube can be arranged at the position, needing to be further protected, of the excitation wire. According to the utility model, the excitation wire on the coke oven coal charging car is subjected to fireproof modification, so that the fireproof, fire-resistant and high-temperature-resistant performance of the excitation wire can be obviously improved, and the excitation wire can stably operate in complex environments such as severe high temperature, dust, toxic and harmful gas, frequent movement and the like of the coke oven; the shutdown event of the coal charging car caused by the fault of the excitation wire is effectively reduced, so that the normal operation of the coal charging car is ensured, and the production of the coke oven can be efficiently, stably and continuously carried out.
Owner:ANHUI MA STEEL EQUIP MAINTENANCE CO LTD

Sealed coaling device for top-charging coke oven

The invention discloses a sealed coaling device for a top-charging coke oven, and belongs to the technical field of top-charging coke ovens.The sealed coaling device comprises a hole seat assembly arranged in a first funnel hole and a guide sleeve assembly arranged in the hole seat assembly; the first table top and the second table top are matched in an abutting mode to form a first mechanical seal, most smoke can be prevented from escaping, meanwhile, the annular sealing plate is inserted into sealing liquid to form a second liquid seal, a small amount of smoke penetrating through a first sealing gap is adsorbed and intercepted, the dual-sealing structure has a synergistic effect, the sealing effect is remarkably improved, and the sealing effect is improved. A base of the hole seat assembly is designed to be matched with a first funnel hole, rapid positioning and embedding can be achieved, the guide sleeve assembly and the hole seat assembly are rapidly assembled through abutting of a table top and matching of an annular sealing plate and a sealing cavity, the overall structure is low in assembling difficulty, and the sealing effect is good. Field installation and later maintenance and replacement are facilitated.
Owner:TAIYUAN HEAVY IND

Smoke dust collecting system of coke receiving and quenching car

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.
Owner:TAIYUAN HEAVY IND

A method for improving the transverse runout curve of the side combustion chamber

PendingCN122087974AImprove stability and securityUniform, stable and matureGeometric CADEnergy inputCombustion chamberThermodynamics
The application provides a new method for improving side combustion chamber horizontal row curve, relates to the technical field of coke oven thermal regulation, and is mainly applied to the current large coke oven. With the prolongation of service time, the existence of factors such as the absence of fire clay between the masonry structure of the coke oven, the damage of the masonry, acid and alkali corrosion and the like, the internal leakage phenomenon of the coke oven occurs. Through the optimization and improvement of the equipment, the vertical flue corresponding to the side waste gas on-off valve control of the side combustion chamber is heated by coke oven gas instead of blast furnace gas. The side combustion chamber horizontal row curve in actual operation can be optimized from the'steamed bun type' to the 'oblique line type', and the uniform and stable maturation of the coke in the horizontal direction is ensured.
Owner:QINGDAO SPECIAL STEEL CO LTD

Top loading and tamping dual-purpose coke oven

The utility model relates to the field of coke ovens, and discloses a top-loading and tamping dual-purpose coke oven which comprises an oven body, an oven top is arranged at the top of the oven body, a combustion chamber is arranged on the inner wall of the oven body, a carbonization chamber is arranged on one side of the combustion chamber, a coal discharge port is arranged at the top of the oven top, and a heat storage chamber is arranged at the bottom of the combustion chamber. According to the top-loading and tamping dual-purpose coke oven, both top-loading and tamping production operation can meet the requirement that coke cakes in the carbonization chamber are matured up and down at the same time, the graphite generation amount in the space of the oven top can be reduced, the advantages of top-loading and tamping coke oven production processes are integrated, and the coke oven has the advantages of low energy consumption, low cost and the like. The production process of coke can be adjusted in time according to market change requirements, rapid switching of the two processes is achieved, and the production efficiency is improved.
Owner:WUXI GANLU COKING EQUIP

Integrated coke oven bleeder cover

The utility model discloses an integrated coke oven bleeder cover which comprises a cylinder body and a cover plate arranged at the top of the cylinder body, an overturning mechanism for driving the cover plate to overturn is arranged on the cylinder body, and the overturning mechanism is connected with a driving mechanism; the overturning mechanism comprises an overturning arm, one end of the overturning arm is connected with the cover plate, and the two sides of the overturning arm are hinged to supporting frames symmetrically arranged on the side wall of the barrel body respectively; a horizontal mounting plate is arranged between the two supporting frames, one side of the mounting plate and the side wall of the barrel are integrally arranged, and the cover plate is connected with the mounting plate through a linkage mechanism; the pipe cover is integrally formed, the problem that a split type pipe cover is prone to being impacted and damaged by waste gas due to the fact that a gap exists in the center of the pipe cover is solved, when the turnover mechanism drives the cover plate to turn over, the linkage mechanism is arranged to enable the turnover mechanism to drive the cover plate to rotate, the cover plate can be jacked up by a certain distance and then turned over after being far away from the cylinder body, and therefore the cover plate can be conveniently turned over. The contact part of the cover plate and the barrel is prevented from being abraded, and the service life of the cover plate is prolonged.
Owner:QINHUANGDAO ZHONGQING METALLURGICAL VALVE CO LTD QINHUANGDAO METALLURGICAL ZHONGQING VALVE

A test coke oven ramming device with measurable height

ActiveCN224548331UThermodynamicsCoke oven
The utility model belongs to test coke oven packing rammer sample preparation technical field relates to a test coke oven rammer device of measurable height, including vibrating hammer head, the vibrating hammer head top is connected with vibrating rod, and the vibrating rod tip is provided with a ball head, and the vibrating rod is provided with a scale. The utility model when vibrating coke oven coal material, real -time reading compaction height of coal material, realizes rammer - measurement integration operation, directly observes coal material subsidence in the continuous ramming process, and dynamically adjusts ramming strength and frequency, avoids the process interruption caused by traditional step -by -step measurement.
Owner:SHANDONG YANKUANG INT COKING CO LTD

Vertical heat recovery coke oven

The embodiment of the invention provides a vertical heat recovery coke oven. The vertical heat recovery coke oven comprises a coke oven bed bottom, a lower flue, a heat exchange chamber, a chute, a plurality of carbonization chambers, a plurality of combustion chambers and an oven top which are sequentially arranged in the height direction. The lower flue comprises a plurality of transverse arches which are sequentially arranged at intervals, a plurality of longitudinal arches which are sequentially arranged at intervals, at least one flue outlet and a plurality of flue gas inlets, and the transverse arches and the longitudinal arches are mutually crossed and communicated to form a multi-split linked arch. When the lower flue bears a load, the load of the upper masonry is dispersed to a plurality of arch structures through the crossed layout of the multi-split arch, so that an integral stress system is formed, and the furnace body structure of the vertical heat recovery coke oven is more stable. In a high-temperature environment, the arch size of the multi-split combined arch is small, so that the expansion deformation of the arch structure is small, and the problem of leakage is not easy to occur. Meanwhile, high-temperature flue gas is divided by the multi-division structure of the multi-division combined arch, so that the gas flow distribution is more uniform, and the thermal regulation of the coke oven is facilitated.
Owner:HUATAI YONGCHUANG (BEIJING) TECH CO LTD

Emergency interlocking lifting device for flue damper of coke oven

The utility model discloses a coke oven flue flashboard emergency interlocking lifting device which comprises a flue, a gas storage tank and an air compressor are connected with a PLC emergency interlocking control system, a balancing weight is hoisted at the lower end of an auxiliary hoisting block, and a balancing weight guide frame is installed on the outer wall of the balancing weight in a sleeved mode. According to the emergency interlocking lifting device for the flue gate plate of the coke oven, the unhooking cylinder can be controlled by the PLC emergency interlocking control system to drive the lifting hook lever to turn over, so that the lifting hook lever is unhooked from the supporting rod, the flue gate plate is lifted by virtue of self-weight falling of the balancing weight, and flue gas of the coke oven can directly pass through a chimney; explosion accidents caused by gathering of flue gas in the flue are avoided, the gas storage tank, the air compressor and the flue flashboard master control system can be wrapped and protected through the mounting frame and prevented from being damaged, the flue flashboard and the balancing weight can be guided to ascend and descend through the flashboard lifting guide frame and the balancing weight guide frame, and the flue flashboard and the balancing weight are more stable. And the flue flashboard can be conveniently and quickly disassembled, assembled and replaced through stretching and retracting of the limiting sliding block.
Owner:LUOYANG LONGZE COKING

Tail coke extinguishing and collecting device of 6m top-charging coke oven

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.
Owner:LIUZHOU IRON & STEEL

Integrated treatment method for coke oven flue gas desulfurization and denitrification and waste heat recovery

PendingCN122424694ADenitrificationAcid gas
This invention discloses an integrated treatment method for desulfurization, denitrification, and waste heat recovery of coke oven flue gas, belonging to the field of coke oven flue gas treatment technology. The method includes: 1) flue gas pretreatment and high-temperature waste heat recovery; 2) directional oxidation conversion of nitrogen oxides and removal of residual oxidants; 3) synergistic desulfurization and denitrification treatment with activated carbon / activated coke; 4) side reaction suppression and control; 5) low-temperature waste heat recovery and reheat utilization; and 6) activated carbon / activated coke regeneration and sulfur resource recovery. This invention converts NO in flue gas into high-valence NO₂ through a pre-oxidation reaction, improving the kinetics of the denitrification reaction, increasing denitrification efficiency, and reducing ammonia consumption. By controlling the SO₂ concentration and acid gas content at the desulfurization layer outlet, it effectively inhibits the deposition of ammonium salts such as (NH₄)₂SO₄ and NH₄Cl, reducing bed blockage. Through high and low temperature staged waste heat recovery, it achieves tiered utilization of heat, improving the overall thermal efficiency of the system. This achieves synergistic optimization of efficient pollutant removal and efficient energy utilization.
Owner:CHINA PINGMEI SHENMA ENERGY & CHEM GRP CO LTD +6

Coke oven refractory brick whole life cycle traceability management method and system based on internet of things

The application belongs to the technical field of intelligent construction and digital operation and maintenance, and particularly discloses a coke oven refractory brick full life cycle tracing management method and system based on an Internet of Things. The method takes a coke oven masonry BIM pre-layout model as a data basis and a space calibration basis, integrates the refractory bricks with clear construction sequence dependency into standardized masonry sequence brick board units, and arranges Internet of Things identification tags. By constructing a standardized association account of the brick board unit-space position-masonry sequence, the state evolution of the refractory bricks from the board distribution, the transfer, the on-site positioning, the partial use to the masonry completion is monitored in real time. Taking the unit ID or the section code as an index, a full life cycle structured history database is constructed, and relying on the database, an intelligent analysis model is trained to realize the refractory brick loss rule analysis, the implicit damage site prediction and the replacement material demand calculation. The application realizes the predictive maintenance of the coke oven refractory bricks and has wide engineering application value.
Owner:CHINA FIRST METALLURGICAL GROUP

Wireless transmitting and receiving device for coke pushing and coal charging signals of coke oven

The utility model discloses a coke oven coke pushing and coal charging signal wireless transmitting and receiving device which comprises a wireless signal transmitting cabinet and a wireless signal receiving cabinet, and a group of first wireless mixed signal transmitters and first wiring terminals are fixed on the inner wall of the wireless signal transmitting cabinet. A second wireless mixed signal transmitter, a plurality of second wiring terminals and an industrial wireless communication terminal are fixed on the inner wall of the wireless signal receiving cabinet, the outer walls of the wireless signal transmitting cabinet and the wireless signal receiving cabinet are respectively connected with a cabinet door through hinges, and a control panel and a group of indicating lamps are fixed on the outer wall of the cabinet door. According to the utility model, communication signals sent by the coke pusher, the coal charging car and the coke dry quenching car during operation are transferred to the DCS through wireless signal transmission, so that automatic frequency modulation of the coal charging and coke pushing frequency converter is realized, and meanwhile, an inspector can know the operation and signal transmission conditions of the coke pusher, the coal charging car and the coke dry quenching car only through the control panel and the indicator lamp, so that the inspection efficiency is improved. And the equipment inspection efficiency of workers is improved.
Owner:王会泽

Coke discharging and dust removing device for coke oven

The utility model discloses a coke discharging and dust removing device for a coke oven, which relates to the technical field of coke oven dust removing equipment and comprises a dust removing cover, the bottom of the dust removing cover is arranged above a coke receiving device, and the top of the dust removing cover is communicated with one end of a branch pipe; and the other end of the branch pipe is communicated with the dust removal main pipe. According to the coke-discharging and dust-removing device for the coke oven, the dust-collecting main pipe is directly arranged at the top of the coke oven column, so that the length of the branch pipe is obviously shortened and the occupied area is reduced. Due to the fact that the pipeline is short, resistance is reduced, and the system fan can achieve the energy-saving effect.
Owner:HUATAI YONGCHUANG (BEIJING) TECH CO LTD

Intelligent totally-closed top-loading tamping zero-emission coal dry distillation process and coke oven

The invention relates to the technical field of metallurgy, in particular to an intelligent totally-closed top-loading tamping zero-emission coal dry distillation process and a coke oven. Equipment damage caused by coke crushing caused by coke extrusion pushing and furnace wall extrusion abrasion caused by traditional coke pushing is eliminated; the equipment structure and the process full-flow closed design is adopted, so that coke burning loss is eliminated; a whole-furnace pressure balance system is realized through the design of the pipeline channel, so that the potential safety hazards of pollution and explosion caused by overflow of raw gas and suction of external air in any working condition are eliminated; the BIM system, the intelligent realization of the synchronous construction of the test small coke oven and the coke oven, the real-time realization of a heat supply mechanism according to the coking process, and the intelligent operation of the coke oven are realized. According to the intelligent totally-closed coke oven, organic matters in flue gas and sewage are subjected to cracking and hydrogenation utilization, underground and overground pollution of a traditional coke oven is eliminated, and lightweight high-added-value modification of coking coal tar is realized.
Owner:SHANDONG YOUKENUO ENERGY SAVING TECH CO LTD

A coke oven heating process six-parameter joint detection and intelligent diagnosis system

PendingCN122450079ACombustionData acquisition
The present application relates to the technical field of coke oven thermal control, and particularly discloses a six-parameter combined detection and intelligent diagnosis system for a coke oven heating process, wherein the six-parameter data acquisition module of the system is composed of six measuring units of standing flue temperature, fire hole pressure, small flue temperature, small flue suction, raw coal gas temperature and waste gas oxygen content, and the six parameters of the coke oven heating process are synchronously acquired; the intelligent diagnosis and analysis module is provided with four diagnosis units of waste gas system fault diagnosis, combustion state diagnosis, oven wall leakage diagnosis and heating system optimization, and the six parameters are combinedly analyzed. The system realizes all-round perception of the coke oven heating state, optimizes the heating system, reduces energy consumption, prolongs the service life of the oven body, and has remarkable economic and environmental protection benefits.
Owner:HEFEI RIO TINTO CLOUD COMPUTING TECH CO LTD

A dust removal device for a coke quenching car door alignment

ActiveCN224450584UDust controlCoke oven
This utility model discloses a dust removal device for coke oven door removal alignment, including an outer shell. A sealing ring is fixedly connected to one edge of the smoke guide baffle. A smoke outlet is opened in the middle of one side of the smoke outlet channel, and a positioning protrusion is fixedly connected to one corner of the smoke outlet. The positioning protrusion is inserted into the positioning groove for installation. This dust removal device for coke oven door removal alignment can drive the smoke guide baffle and the connecting pipe to move elastically through a driving cylinder, which is convenient for adaptation and adjustment. Moreover, it can be sealed and positioned by the sealing ring, positioning protrusion, and positioning groove, which is convenient for collecting and guiding smoke and can prevent leakage. It can also be limited by a rear limit block to prevent the smoke guide baffle from excessively extending or moving due to operational errors. Furthermore, the smoke guide baffle can be independently disassembled and assembled by a locking knob, splicing slot, splicing plug, mounting plug, and mounting slot, which is convenient for replacement and use. It can also be stored in a storage slot.
Owner:LUOYANG LONGZE COKING