34results about "Gas dust removal" patented technology

This utility model discloses a coke oven gas spray slag removal nozzle that is easy to maintain, comprising: a second water inlet pipe; an outer support plate, the outer support plate being disposed on the outside of the second water inlet pipe, a rotary joint being installed on the top of the outer support plate, and the top end of the second water inlet pipe being connected to the rotary joint. The beneficial effects of this utility model are: by setting an outer support plate, an inner threaded cylinder, and an outer threaded sleeve, rotation of the outer support plate, the inner threaded cylinder, and the second water inlet pipe is realized; the inner threaded cylinder is threaded on the outside of the outer threaded sleeve to prevent gas leakage; by setting an annular sealing groove and a sealing ring, the sealing ring at the top of the outer threaded sleeve and the annular sealing groove opened inside the inner threaded cylinder are matched, further improving the sealing effect between the outer threaded sleeve and the inner threaded cylinder and avoiding gas leakage.

The utility model discloses a dust filtering device for coal bed gas transportation, include: the dust filtering device includes filter device casing, the filter device casing inside is provided with filter chamber, the filter chamber is vertically provided with chamber partition plate in, and the filter chamber is divided into the dust containing gas chamber of upper portion and the purification gas chamber of lower portion, the dust containing gas chamber top is provided with dust containing gas import, the purification gas chamber top is provided with purification gas export, a plurality of partition plate through -tubes are vertically passed through and are arranged to the chamber partition plate, the partition plate through -tube lower half segment is provided with the filter assembly of filterable magnetic impurity. The utility model's partition plate through -tube constructs directional airflow channel, and the dust containing airflow is forced to flow through the filter assembly segment, and simultaneously, the radial outer side arrangement's permanent magnetism adsorption body synchronous capture magnetic impurity, and the coal bed gas dust filtering efficiency is improved significantly, and the filter core inside and outside double skeleton support frame structure further strengthens the filter element pressure resistance stability under high pressure working condition.

The utility model relates to a converter gas metal filter bag dust removal device belongs to converter gas dust removal technical field, including furnace body and metal filter bag, the right side of furnace body is equipped with the dismounting structure for metal filter bag dismounting, the dismounting structure includes the flue gas pipe fixedly connected in the exhaust end of furnace body, the right -hand end fixed connection of flue gas pipe has the connecting pipe, the right -hand end fixed connection of connecting pipe has the first installation pipe sleeve, the right -hand end fixed connection of first installation pipe sleeve has eight positioning installation column, this converter gas metal filter bag dust removal device, metal filter bag installs between first installation pipe sleeve and second installation sleeve respectively, through the effect of positioning installation column and installation ring will metal filter bag carry out positioning installation, through the effect of electric sliding table and connecting rod drives second installation sleeve left and right movement and adjusts, through the effect of sealing sleeve carries out sealing treatment between the connecting place of first installation pipe sleeve and second installation sleeve.

The present application provides a coal gas fermentation level ultra-deep purification system and method based on cracking-precision screening-flow directional regulation, belonging to the technical field of coal gas deep purification and resource utilization. The method is to take coal gas through the cross-media synergistic cracking unit, the supramolecular biomimetic MOFs intelligent adaptive screening unit, the PN / A-Candida utilis metabolic flow precision regulation unit and the full-element grading resource recovery unit in turn, and is controlled by the digital twin-blockchain carbon footprint traceability and intelligent regulation PLC intelligent control system, so as to achieve the purpose of coal gas purification and SCP production. The present application first constructs a five-unit closed loop system, achieving the ppb level synchronous removal of five types of key pollutants in coal gas; through the multi-unit synergistic mechanism, the purification efficiency is improved by more than 20%, the energy consumption is reduced by 40%, the resource utilization efficiency is greatly increased, the resource recovery yield reaches 45%, and the benign cycle of full coverage of purification cost and profit is realized.

The application discloses a dry dedusting method for coal gas of a pressurized gasification furnace, and belongs to the technical field of coal gas dedusting. The dry dedusting system of the application is composed of a filter deduster, a pulse ash cleaning system, a control system and a lock-gas ash discharging system, and is used for purifying high-temperature and high-pressure raw coal gas at the outlet of the pressurized gasification furnace. After the coal gas is filtered by the filter element of the filter deduster, dust is intercepted on the outer surface of the filter element, and the clean coal gas is discharged from the inner cavity side. The pulse ash cleaning system realizes back-blowing ash cleaning by inputting pulse gas into the filter element without interrupting the filtering operation. The control system adopts a double-criterion ash cleaning triggering strategy. The dust collected by the filter deduster can be transported in high and low pressure dense phases by the lock-gas ash discharging system through the alternate change of the pressure of the lock-gas system under the condition of maintaining the operating pressure of the dedusting system. The application realizes stable and efficient back-blowing ash cleaning, prolongs the service life of the filter element, ensures that the dust content of the clean coal gas continuously meets the standard, simplifies the technological process and fully retains the waste heat of the coal gas.

The utility model belongs to industrial tail gas purification technical field, concretely relates to a hydrolytic device and blast furnace gas desulfurization system. The hydrolytic device includes: dust removal subassembly is connected with blast furnace, the excess pressure power generation system is connected with dust removal subassembly, the coal gas dehydrator is connected with the excess pressure power generation system, the composite hydrolytic tower is connected with the coal gas dehydrator, the pressure reducing valve group is connected with dust removal subassembly and the coal gas dehydration tower.

The application discloses an IGCC crude coal gas dust removal and purification process and device, and particularly relates to the technical field of crude coal gas dust removal and purification, and the dust removal and purification process comprises the following steps: step one, using a liquid pump to deliver the washing liquid to circulate in the heat exchange pipe and the liquid storage tank; step two, delivering the IGCC crude coal gas to the heat exchange tank, and then to the cyclone filter for primary filtration; step three, delivering the crude coal gas in step two to the scrubber for secondary filtration; and step four, using the waste water filter to filter the waste water for continuous use.The application completes the dust removal and purification of the IGCC crude coal gas by the cooperation of the cyclone filter and the scrubber, and has good dust removal and purification effect; and the heat exchange mechanism is arranged to heat the washing liquid by the heat of the IGCC crude coal gas, so that the viscosity and the surface activity of the washing liquid can be reduced, the mixing effect of the washing liquid and the crude coal gas can be improved, the dust removal and purification effect can be further improved, the heat of the crude coal gas can be recycled and utilized, the energy consumption is reduced, and the application has environmental protection.

This invention discloses an automatic ash removal device for a syngas scrubbing tower and its usage method. The automatic ash removal device includes various levels of tower plates arranged sequentially from top to bottom within the tower body. Each level of tower plate has a water inlet at its top. Each level of tower plate is divided into a central area and a peripheral area. The central area is configured with a movable window, which is rotatably connected to the peripheral area of ​​the tower plate. The movable window has a closed state and an open state relative to the tower plate. In the closed state, the movable window is on the same plane as the peripheral area; in the open state, the movable window is upright relative to the peripheral area, facing the corresponding water inlet. The movable windows of each level of tower plate are connected to linkage rods, which are controlled by a linkage rod controller to switch each movable window between the closed and open states. This invention automatically removes and discharges deposited ash from areas prone to ash accumulation, avoiding the lag of manual cleaning and significantly reducing the risk of ash blockage.

The utility model discloses a CO recovery unit for coal gas emission reduction relates to coal gas purification technical field, and the utility model discloses a top fixed mounting of platform has the symmetric distribution's adsorption tower body, and one end fixedly connected with the connecting pipe of adsorption tower body in left side, and one end fixedly connected with the collecting box of adsorption tower body in right side, and the bottom surface of collecting box is fixedly connected with the platform, and the top surface swing installation of connecting pipe has the apron, and the bottom surface fixedly connected with the connecting frame of apron, the cooperation of nut, stud, movable plate, spring, L shape pole, apron, connecting frame, connecting pipe, the convenient disassembly of particle filter core and humidity filter core is cleaned and maintained, handles well, and then inserts the connecting frame into the connecting pipe, and spring drives movable plate and L shape pole to move and positions apron, and then installs nut to realize the convenient disassembly and assembly of particle filter core and humidity filter core, and the structure is ingenious, and the operation is quick and convenient.

This invention discloses an apparatus and method for preparing metallurgical coke based on the comprehensive utilization of biomass, relating to the technical field of biomass pyrolysis and its energy conversion equipment. The apparatus includes a biomass coke oven, a fluidized bed pyrolysis furnace, a volatilization flue, a cyclone separator, a first condensation separation unit, a second condensation separation unit, an acid washing tank, a drying furnace, a mixing granulator, and a quenching tower. The acid washing tank is used to mix reheated char and wood vinegar to obtain acid-washed biochar; the drying furnace is used to dry the acid-washed biochar; the mixing granulator is used to mix and granulate tar and the dried acid-washed biochar to obtain granular biochar; the volatilization flue is used to volatilize the granular biochar to obtain semi-coke; and the biochar coking chamber is used to coke the semi-coke to obtain bio-coke. This apparatus and method improve the production efficiency and energy utilization efficiency of metallurgical coke, effectively reducing the overall production cost of metallurgical coke.

The application provides a method and device for hydrogen production by electromagnetic induction high-temperature carbonization, and belongs to the technical field of hydrogen production by carbonization. The method comprises the following steps: S1, drying and preheating solid carbon-containing raw materials, and isolating air throughout the process; S2, starting a ceramic screw propeller in the carbonization furnace to continuously push the raw materials and sequentially pass through a preheating section, a medium-temperature dry distillation section and a high-temperature carbonization section for pyrolysis carbonization reaction, and simultaneously generate solid carbonized substances and hydrogen-containing mixed gas; S3, the solid carbonized substances are discharged after being transported to a cooling section for cooling; the hydrogen-containing mixed gas is discharged from a gas outlet and subjected to dust removal and purification treatment; and S4, the purified hydrogen-containing mixed gas is purified to obtain high-purity hydrogen. The hydrogen production process of the application does not use open flame heating, reduces dust and waste gas emission, is more environmentally friendly, can prepare high-purity hydrogen, and further improves the product value.

This utility model relates to the field of biosynthetic gas treatment technology, specifically disclosing a process system for the co-production of solid wax, liquid hydrocarbons, and hydrogen from biosynthetic gas Fischer-Tropsch synthesis. The system comprises a pretreatment system, a blower system, a compression system, a shift converter system, a desulfurization system, an MDEA decarbonization system, a PSA hydrogen extraction system, a desorbed gas compression system, a fine desulfurization and pressurization system, and a Fischer-Tropsch synthesis system, connected in sequence. This process system utilizes biosynthetic gas from the pyrolysis and gasification of municipal solid waste, producing solid wax, liquid hydrocarbons, and hydrogen through a combination of technologies including Fischer-Tropsch synthesis and pressure swing adsorption. This system converts organic matter in waste into high-value-added chemicals such as solid wax, liquid hydrocarbons, and hydrogen, achieving resource utilization and reducing environmental pollution. Furthermore, the process system can adjust the types and quantities of products according to market demand to maximize economic benefits.

This application provides a coking oven syngas generator and a syngas preparation method. The coking oven syngas generator includes a carbonization chamber, a reforming chamber, and a heat-conducting structure. The carbonization chamber is used to carbonize coking coal and produce raw coal gas. The reforming chamber is arranged adjacent to the carbonization chamber and is used to receive the raw coal gas produced by the carbonization chamber. The reforming chamber is provided with an oxygen inlet for supplying oxygen into the reforming chamber. The reforming chamber is configured such that the oxygen and the raw coal gas undergo an incomplete combustion reforming reaction inside it to generate syngas and release heat. The heat-conducting structure is disposed between the carbonization chamber and the reforming chamber, and is used to conduct the heat from the reforming chamber to the carbonization chamber to heat the carbonization chamber.

The present application provides a kind of top coal gas treatment system and method, a kind of blast furnace, comprising: by top coal gas supply pipeline to cooling tower and is supplied with top coal gas, and, by cooling water supply pipeline to cooling tower and is supplied with cooling water, cooling water and top coal gas contact after top coal gas heat exchange cooling;And, by softening water supply pipeline to cooling tower and is supplied with purified water, purified water is used to top coal gas after heat exchange cooling is purified;And, the top gas outlet of cooling tower is communicated with purified top coal gas downstream conveying pipeline, and the top coal gas that is treated by heat exchange cooling and purification is exported to outside.In cooling tower, cooling water and top coal gas can be directly contacted heat exchange cooling, softening water and top coal gas after heat exchange cooling can be directly contacted washing purification;Therefore, the present application can be in cooling tower and carry out two different purification top coal gas flow, equivalent to in the same set of device can simultaneously realize top coal gas cooling and dust removal.

The application discloses a biomass pyrolysis combustible gas water vapor catalytic tar removal equipment, comprising: a pretreater, including a cooling dust remover, a calcinator and a water vapor mixer, the outlet of the cooling dust remover and the outlet of the calcinator are connected with two inlets of the water vapor mixer through treatment pipelines; a catalytic bed, including an air inlet layer, a main catalytic bed, a standby catalytic bed and an air outlet layer; a catalytic pyrolysis reactor, including a filter dust remover and a pyrolysis device, the outlet of the air outlet layer is connected with the inlet of the filter dust remover; a post-treater, including a cyclone dust remover and a quencher, the outlet of the pyrolysis device is connected with the inlet of the cyclone dust remover, and the outlet of the cyclone dust remover is connected with the inlet of the quencher. The water vapor catalytic tar removal equipment is simple in equipment assembly, easy in process control of each equipment, convenient in catalyst regeneration in the catalytic bed, and capable of preventing equipment blockage and corrosion by carrying out dust removal on combustible gas in intervals, and is particularly suitable for small enterprise project production.

A method of operating an industrial installation comprising a source of blast furnace gas, a coke dry quenching unit and a sorption-enhanced water-gas shift reactor, the method comprising the ordered steps of: (a) feeding a stream of blast furnace gas from the source of blast furnace gas to a cooling chamber of the coke dry quenching unit to quench coking reaction; (b) collecting a stream of enriched blast furnace gas exiting the cooling chamber; and (c) feeding the collected stream of enriched blast furnace gas to the sorption-enhanced water gas shift reactor thereby producing a CO2- rich stream and a H2-rich stream.

The invention relates to a system and process for thermo-chemical transformation of mixed wet waste streams using a rotary kiln reactor equipped with a multi-annular concentric feed assembly. A central conduit introduces wet food waste mixed with plastics, biodegradable packaging, and fluorinated materials, while an intermediate annulus supplies auxiliary fuel and an outer annulus delivers oxidant gas under controlled sub-stoichiometric conditions. The kiln operates through sequential zones of reduction, partial oxidation, and complete oxidation to convert organics into hydrogen, carbon monoxide, methane, and finally carbon dioxide and water. Halogens and sulfur compounds are converted to hydrogen halides and hydrogen sulfide, which are neutralized downstream with calcium oxide to form stable salts. Heat recovery from the flue gas produces steam or hot water. The process eliminates pre-drying, allows co-processing of wet and dry wastes, and provides efficient energy recovery in a compact, scalable configuration. The invention eliminates the need for pre-drying or segregation, enabling simultaneous treatment of heterogeneous feedstocks.

The application discloses a kind of lead smelting bottom blowing furnace coal explosion-proof filtering device and method, it is related to coal filtering technical field, the first hinged link, second hinged link are hinged in the first cage and second cage between each other in the application, cooperate torsional spring and liftable cylinder and form variable height bag cage, by means of the cooperation of pressing mechanism and spring, the active shrinkage of bag cage when dust cleaning can be realized, so that in pulse jet dust cleaning stage, the deformation amplitude and shaking acceleration of anti-static filter bag can be effectively increased, the coal dust attached to the surface of anti-static filter bag is more thoroughly stripped, so that the dust cleaning efficiency of the device is high and uniform, the filter bag resistance is quickly restored to low resistance state, not only can reduce system operation energy consumption, prolong the service life of anti-static filter bag, but also be beneficial to reduce the probability of fire and explosion, improve the safety and stability of the device to a certain extent.

The utility model discloses a filter for coal gas purification, including filter body and sealing cover, the bottom fixed mounting of sealing cover has the sealing ring, the bottom of sealing ring is tightly inlaid with the top of filter body, be provided with a plurality of locking bolt between filter body and sealing cover, place the cylinder in filter body, two intercommunication mouths are passed through and are set up on the placement cylinder, be equipped with adjusting mechanism between filter body and placement cylinder, be equipped with filter mechanism in the placement cylinder, adjusting mechanism includes two clamping slots on filter body top. The utility model discloses structure design is reasonable, when it is with filter screen dismounting and clean, can filter body's import and export on plugging, avoid when dismounting filter screen, the dirt on filter screen falls down and falls into the situation of happening in filter body's export.

The utility model belongs to the field of biomass energy power generation technology especially relates to a decoupling type biomass gasification power generation system, including vertical multi -segment decoupling gasification furnace, gas treatment unit, flue gas waste heat utilization unit, the vertical multi -segment decoupling gasification furnace's furnace is by the perforated baffle from top to bottom and is divided into pyrolysis zone, oxidation zone, catalytic reduction zone, is equipped with the decoupling reactor in the reduction zone, the gas treatment unit includes the heat exchanger, filter one, steam -water condensation separator, roots blower, filter two that connect gradually, vertical multi -segment decoupling gasification furnace is connected with heat exchanger, and heat exchanger is used for reducing the gas temperature that vertical multi -segment decoupling gasification furnace produces, and the outlet of roots blower is connected with the internal combustion engine of flue gas waste heat utilization unit. Advantages are: the present application can realize tar in situ high temperature catalytic cracking, efficient utilization of waste heat and stable operation of system, improve power generation efficiency, reduce equipment cost simultaneously.

The present application discloses a device and method for rapidly preparing carbon from straws and recycling and treating flue gas and smoke dust. The device includes a pyrolysis and carbonization chamber and a collection and separation chamber which are communicated with each other; the pyrolysis and carbonization chamber and the collection and separation chamber are communicated with each other through a flue gas inlet; the collection and separation chamber includes a separation area in which a sprayer I is further disposed; and flue gas enters the separation area through the flue gas inlet and is then discharged. The method includes: introducing straws that are ignited outside into a pyrolysis and carbonization chamber; introducing flue gas produced by the pyrolysis and carbonization chamber in running into a collection and separation chamber via a flue gas inlet, and at least separately treating the flue gas in a separation area in the collection and separation chamber; and introducing the flue gas into the separation area, and converting main component-biomass energy in the flue gas into straw vinegar using a sprayer I in the separation area. In the present application, the gaseous biomass energy is continuously recycled and converted, and the main component-biomass energy in the flue gas is converted into the straw vinegar for recycling, so that the utilization rate of biomass energy of straws of the original device is increased by 30-33% to 50%.

This invention discloses a highly efficient and environmentally friendly additive, its preparation method, and its application in crude coal gas absorption and oil-water separation. The invention prepares a polyamino acid block copolymer by polymerization of tyrosine and N(ε)-benzyloxycarbonyl lysine as monomers. This polyamino acid block copolymer is then compounded with isotridecyl alcohol polyoxyethylene ether to prepare a composite additive. By changing the molecular chain length of the polyamino acid block copolymer and the compounding ratio of isotridecyl alcohol polyoxyethylene ether, this composite additive achieves high pH applicability while ensuring environmental friendliness, thus enabling efficient and clean crude coal gas absorption and efficient oil-water separation.

The present invention relates to a dust cyclone with secondary separation, characterized in that internals for strengthening the vortex flow are provided in the immersion tube.

The application discloses a system and method for prolonging the service life of a coke oven gas fine desulfurization iron oxide desulfurizer, which comprises, in sequence along the gas flow direction, a source purification and steady-state pre-control module, a process active defense and safety guarantee module, and an intelligent impact avoidance and efficient reaction module; the source purification and steady-state pre-control module creates a precondition for the process active defense and safety guarantee module, and effective operation of the process active defense and safety guarantee module provides stable and clean inlet working conditions for a fine desulfurization reaction unit in the intelligent impact avoidance and efficient reaction module, and the three modules cooperatively constitute systematic whole-process protection for the iron oxide desulfurizer. The whole-process protection chain of'source control-process interception-intelligent protection-efficient utilization' is systematic and active protection for multiple failure risks (impurity blockage and H2S impact) faced by the iron oxide desulfurizer.

The utility model belongs to dust removal device field, concretely relates to a blast furnace gas cloth bag dust removal device, including the casing, the right side upper portion of casing is fixedly connected with the gas outlet, the left side lower portion of casing is fixedly connected with the gas inlet, the top of casing is equipped with the top cover through the bolt mounting, the bottom of top cover is provided with the dust shaking mechanism, the inside upper portion of casing is fixedly connected with the support ring, the inside sliding connection of support ring has dust removal cloth bag. The utility model is provided with the dust shaking mechanism on the top cover of casing, wherein, the rotation of the rotating shaft is driven through the motor, the periodic impact of the slide pin is brought about by the impact rod on the rotating shaft, the slide pin drives the impact pin to retract and extend, thereby the periodic knocking of the dust removal cloth bag is carried out, makes it vibrate, thereby the purpose that prevents the dust removal cloth bag from being blocked is reached.

The utility model discloses a kind of for blast furnace gas's fine desulfurization system, including dust removal component, temperature regulating component, hydrolysis component and first filter, by setting parallel first branch pipe and second branch pipe ensure the continuity of gas processing, do not affect the normal production of blast furnace, while the setting of first control valve group and second control valve group, the flow of two branch pipes can be flexibly adjusted, adapt to different working condition requirement, improve the adaptability and flexibility of system.Temperature regulating component can accurately adjust the temperature of gas to target temperature, improve the activity and reaction efficiency of hydrolysis catalyst, reduce the performance decline of catalyst due to temperature fluctuation, convert organic sulfur into inorganic sulfur by hydrolysis catalyst, effectively reduce the organic sulfur content in gas, improve desulfurization efficiency, first filter removes particulate matter or impurities that may be generated during hydrolysis process, protect subsequent equipment from pollution, prolong equipment service life, improve operation safety.

The application discloses a system for purifying synthetic gas and regenerating rapeseed oil methyl ester, which regenerates the rapeseed oil methyl ester by removing impurities and tar by means of the steam method of a stripping unit, and adds the regenerated rapeseed oil methyl ester into a washing unit, so that the rapeseed oil methyl ester in the washing unit can better absorb the tar under the condition that a small amount of fresh rapeseed oil methyl ester is added into the washing unit, and the phenomenon of supersaturation is reduced as much as possible; the application also uses the regenerated rapeseed oil methyl ester and the mixed emulsion after cooling to make the moisture in the synthetic gas into condensed liquid through condensation, and capture the water-soluble pollutants of the synthetic gas through the condensed liquid; in conclusion, the application can remove the tar and the water-soluble pollutants at the same time under mild conditions, and can efficiently utilize the rapeseed oil methyl ester.

A device for reducing the dust content of raw coke oven gas in a coke oven and a method for using the same belong to the technical field of coke oven gas treatment. The present application solves the problem that the existing ammonia bridge pipe spraying device cannot completely clean the raw coke oven gas, resulting in a large amount of coal powder blocking the primary cooler. The dust control device comprises an ammonia water tank, a first spraying device and a second spraying device, the ammonia water tank contains ammonia water, the first spraying device is arranged at the top of the washing tower, the first spraying device is in communication with the ammonia water tank pipeline, and the ammonia water is sprayed into the washing tower through the first spraying device. The internal structure of the washing tower in the present application can make the ammonia water circulate and wash multiple times in an orderly manner, can effectively reduce the dust carrying content of the coke oven raw coke oven gas during the discharge process, and can prevent it from entering the subsequent primary cooler system with the gas, thereby significantly reducing the blockage of the primary cooler heat exchange tube bundle, reducing the system maintenance frequency and operation resistance.

This utility model belongs to the field of dust removal technology, specifically a dust removal device for the pretreatment of blast furnace gas fine desulfurization, including a base; a treatment tower is fixedly connected to the top of the base; an inlet pipe is fixedly connected to the outer circular wall of the treatment tower; an outlet pipe is fixedly connected to the top of the treatment tower; a catalytic filter layer is provided inside the treatment tower; a supplementary catalytic layer is provided inside the treatment tower; the catalytic filter layer is located directly below the supplementary catalytic layer; a dust removal component is provided inside the treatment tower; the dust removal component is used to clean the treatment tower. This invention aims to overcome the shortcomings of existing technologies and solve the problem that during the dust removal process of blast furnace gas dust removal equipment, some dust remains and adheres to the inner wall of the dust removal equipment, resulting in a reduced dust removal effect and increased resistance when the gas passes through, thus increasing the energy consumption of the entire dust removal system.