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49results about How to "High calorific value utilization" patented technology

Pyrolysis garbage technology performed by means of double-cylinder rotary kiln

ActiveCN102706140AThe calcination process does not negatively affectGood pre-decomposition effectRotary drum furnacesEnergy inputPyrolysisWaste heat
The invention belongs to the technical field of environmental engineering, and provides a pyrolysis garbage technology performed by means of a double-cylinder rotary kiln. The pyrolysis garbage technology performed by means of the double-cylinder rotary kiln includes the double-cylinder rotary kiln, a cement production line and technology connection pipelines, wherein the double-cylinder rotary kiln includes a pyrolysis passage, an ash heat return passage, a kiln head cover and a kiln tail cover; the cement production line includes a cement rotary kiln, a clinker cooling machine and a predecomposition furnace; and the technology connection pipelines include a tertiary air pipeline for communicating the clinker cooling machine with the kiln tail cover, a composite gas pipeline for communicating the cement rotary kiln with the kiln tail cover, a composite gas shunting pipeline for communicating the ash heat return passage with a composite gas eduction pipe of the kiln tail cover, a waste gas waste heat pipeline for communicating a side hot air inlet of the predecomposition furnace with a waste gas exhaust connector of the kiln head cover, and a garbage slag pipeline for communicating a side feed opening of the predecomposition furnace with a garbage slag outlet of the kiln head cover. The technology is utilized for processing domestic garbage with the cement rotary kiln for cooperation, utilizes the high-temperature pyrolysis garbage cooled by cement clinker to effectively avoid the dioxin generation conditions during the garbage incineration, and effectively utilizes the heat value of garbage, and further completely utilizes the garbage ash in a recycling manner.
Owner:JIANGSU PENGFEI GROUP

Coal gas anhydrous dust collecting equipment of revolving furnace and technique thereof

The invention relates to a converter coal gas non-water dust removing equipment, which comprises a converter, a radiant type waste-heat boiler, an adjusting valve, a cyclone dust remover, a bag-type dust remover, a coal gas temperature controlling device, a flow meter, a main induced draft fan, a three-way valve, an emission chimney, a rotary water seal, a U-shaped water seal, and a coal gas tank. The invention is characterized in that a convection type waste-heat boiler is connected between the outlet position of the radiant type waste-heat boiler and the adjusting valve, and the convection type waste-heat boiler is composed of a settling chamber, a heat exchange component, a baffle plate, a box body, and an ash discharging opening. A process method comprises the steps that converter coal gas comes into the convection type waste-heat boiler via radiant type waste-heat boiler after recovery waste heat, the gravitational settling is performed to come into the adjusting valve, and the bag-type dust remover, etc to perform dust fining removal after the recovery waste heat, the emission is performed through the three-way valve or the converter coal gas comes into the coal gas tank to perform coal gas recovery, and the invention has the advantage that the energy consumption is reduced through recovering heat energy.
Owner:北京中冶设备研究设计总院有限公司

Coke oven coking method for improving ratio of long flame coal for chemical coke

ActiveCN104087328AHigh yieldMeet the requirements of chemical cokeSpecial form destructive distillationChemical industryAdhesive
The invention relates to a coke oven coking method for improving a ratio of long flame coal for chemical coke. The method comprises the following steps: a, performing secondary crushing on long flame coal, and mixing the long flame coal with an adhesive in a storage warehouse; b, performing pre-grinding on the long flame coal mixed with the adhesive, feeding the coal into a coal blending chamber, improving a ratio of the long flame coal mixed with the adhesive to 80 percent, adjusting a gas-fat coal ratio with high adhesiveness to 20 percent, and feeding the coal into a crusher for crushing after mixing; c, performing primary water injection on the prepared mixed coal, crushing the coal in a crusher chamber, performing secondary water injection on the crushed mixed coal, feeding coking coal into a charging car for tamping, so that the coking coal is smashed into a dense coal cake, and feeding the coal into a carbonization chamber for performing high-temperature dry distillation; and d, performing high-temperature dry distillation on the coking coal, performing coke quenching by adopting a dry method, and finally naturally cooling to obtain the chemical coke product. According to the method, low-cost smelting and chemical industry carbon materials can be produced, and the gap that smelting and chemical industry carbon materials are deficient is overcome.
Owner:新疆新鑫新能源化工有限公司

Mechanical dispersion fluidization drying method and equipment for coal slime

The invention relates to a mechanical dispersion fluidization drying method and equipment for coal slime. The method is used for realizing fluidization drying of coal slime particulates by using hot smoke while dispersing coal slime to be dried into the coal slime particulates. The drying method is high in heat utilization rate and yield as well as wide in application range. The equipment comprises a drying box body and a stirring shaft, wherein the drying box body is provided with a feeding hole, a discharging hole, a gas outlet and a smoke inlet; the stirring shaft is used for dispersing the coal slime to be dried, is arranged at the bottom of the drying box body and is located above the smoke inlet; the coal slime to be dried is dispersed into the coal slime particulates by using the stirring shaft after entering the drying box body through the feeing hole, meanwhile, the hot smoke enters from the smoke inlet at the bottom of the drying box body at a proper flow rate and is discharged from the gas outlet after carrying out fluidization drying on the coal slime particulates, and at the same time, the dried coal slime is output from the discharging hole. The equipment is large in gas and solid drying contact area, long in drying time, high in heat utilization rate and yield and small in floor area.
Owner:CHANGAN UNIV

Caloric synergistic environment-friendly reclamation method for waste integrated circuit boards

A caloric synergistic environment-friendly reclamation method for waste integrated circuit boards involves a carbonization pyrolysis system, a crushing separating system, a gasification pyrolysis system and a calorific value utilization and comprehensive recovery system. Compared with the prior art, the carbonization pyrolysis system can realize dry distillation pyrolysis of organic matter in thewaste integrated circuit boards, carbon, hydrogen and other elements can be converted into carbonization pyrolysis gas and pyrolysis oil serving as fuel. The combusting heat of the carbonization pyrolysis gas serves as energy needed by carbonization pyrolysis, and self-heating carbonization pyrolysis is achieved. Carbonization pyrolysis products are crushed and separated, the problem that crushingis difficult and metal is wrapped by organic matter brought by a traditional method of direct crushing and separation of circuit boards are solved, and the crushing effect and the separation effect are improved. The gasification pyrolysis system realizes comprehensive utilization of residual carbon, generated gasification pyrolysis gas can be used as a heat source needed by subsequent valuable metal recycling, and the utilization heat of the caloric value is further improved. The caloric synergistic environment-friendly reclamation method for waste integrated circuit boards has the characteristics of being high in caloric value utilization rate, low in energy consumption, high in metal recycling rate, capable of realizing short-process recycling of valuable metal, free of pollution in smoke and the like.
Owner:BEIJING UNIV OF TECH

Heat and power cogeneration process for charcoal fertilizer and activated charcoal by taking municipal refuse derived fuel RDF-5 as raw material

The invention discloses a heat and power cogeneration process for a charcoal fertilizer and activated charcoal by taking municipal refuse derived fuel RDF-5 as a raw material. The heat and power cogeneration process comprises the steps: 1) pyrolysis and gasification, namely delivering the fuel RDF-5 into a gasification furnace, carrying out pyrolysis and gasification under micro-aerobic conditionsthat the temperature is 600-800 DEG C and the equivalent ratio of air is 0.18-0.25 to obtain biomass mixed fuel gas and a biochar raw material, and discharging the biomass mixed fuel gas and the biochar raw material; 2) separation, namely purifying the biomass mixed fuel gas, and removing wood tar oil and a wood vinegar liquid to obtain a mixed liquid of the wood tar oil and the wood vinegar liquid and purified fuel gas; 3) combustion, namely delivering the purified fuel gas into a gas-fired boiler for combusting to generate steam; and 4) charcoal raw material treatment, namely delivering a part of the biochar raw material into a charcoal activation furnace to be heated to 900-960 DEG C, meanwhile, introducing the steam to the charcoal activation furnace to obtain activated charcoal; andmixing the other part of the biochar raw material with the mixed liquid of the wood tar oil and the wood vinegar liquid and an organic nitrogen, phosphorus and potassium fertilizer. The heat and powercogeneration process has the advantages of high calorific value utilization ratio and low emission pollution level and is not only capable of effectively solidifying poisonous heavy metals in the derived fuel, but also capable of obtaining a high-quality charcoal-based compound fertilizer or activated charcoal and increasing the resource utilization rate and the comprehensive economic benefit.
Owner:四川雷鸣生物环保工程有限公司

Coal dry distillation method and device for realizing same

The invention discloses a coal dry distillation method and a device for realizing the same, which are used for solving the problems of low heat value utilization rate and high equipment manufacturing cost of the existing external-heat dry distillation technology, coal gas mixing in nitrogen in the internal-heat dry distillation technology and difficult semi-coke conveying of the internal/external-heat combined dry distillation technology. In the invention, the coal is subjected to dry distillation sequentially through an external-heat heating area, an internal-heat combustion area and an external-heat heating area with different temperatures and is heated by taking the hot semi-coke generated in the internal-heat dry distillation area as raw material coal, and the smoke generated in the internal-heat heating area is discharged. The device comprises an outer barrel, an inner barrel and a flue between the outer barrel and the inner barrel, wherein a combustion barrel internally communicated with the flue is mounted in the inner barrel, and a horizontal return screw is arranged on the outer wall of the inner barrel and the combustion barrel, thus the coal heating and dry distillation time is prolonged; and meanwhile, the isolation between the direct and indirect heating of the smoke and the coal gas is realized, the quality of the coal gas is guaranteed, and the production efficiency and the dry distillation heat efficiency are improved.
Owner:榆林市榆神工业区能源科技发展有限公司

Steam engine for glacier drilling

The invention discloses a steam engine for glacier drilling. The steam engine is structurally characterized in that a finned inner container is fixed by a bracket, and is placed in a combustion chamber, wherein a windshield is arranged at the bottom of the combustion chamber; the combustion chamber is wrapped by a heat-preservation jacket, and is connected with a strap; a water filling pipe with a safety valve and a pressure gauge are connected to the upper part of the finned inner container; one end of a steam outlet pipe is connected with the water filling pipe with the safety valve, and the other end of the steam outlet pipe is sequentially connected with a high-pressure heat-preservation rubber pipe, a drill pipe and a steam nozzle through a steam valve; a heating furnace head is arranged on the lower part of the finned inner container, and is connected with a mountain air pipe and regulation valve and an air bottle. According to the steam engine, the accessory equipment of the steam engine is safely, reliably and conveniently connected through quick joints; the steam engine is convenient to carry, easy to operate, safe and reliable, and can be used for drilling a lining pole hole and a temperature hole under a field condition, and necessary technical guarantee is provided for monitoring glacier changes.
Owner:COLD & ARID REGIONS ENVIRONMENTAL & ENG RES INST CHINESE

Pyrolysis garbage technology performed by means of double-cylinder rotary kiln

The invention belongs to the technical field of environmental engineering, and provides a pyrolysis garbage technology performed by means of a double-cylinder rotary kiln. The pyrolysis garbage technology performed by means of the double-cylinder rotary kiln includes the double-cylinder rotary kiln, a cement production line and technology connection pipelines, wherein the double-cylinder rotary kiln includes a pyrolysis passage, an ash heat return passage, a kiln head cover and a kiln tail cover; the cement production line includes a cement rotary kiln, a clinker cooling machine and a predecomposition furnace; and the technology connection pipelines include a tertiary air pipeline for communicating the clinker cooling machine with the kiln tail cover, a composite gas pipeline for communicating the cement rotary kiln with the kiln tail cover, a composite gas shunting pipeline for communicating the ash heat return passage with a composite gas eduction pipe of the kiln tail cover, a waste gas waste heat pipeline for communicating a side hot air inlet of the predecomposition furnace with a waste gas exhaust connector of the kiln head cover, and a garbage slag pipeline for communicating a side feed opening of the predecomposition furnace with a garbage slag outlet of the kiln head cover. The technology is utilized for processing domestic garbage with the cement rotary kiln for cooperation, utilizes the high-temperature pyrolysis garbage cooled by cement clinker to effectively avoid the dioxin generation conditions during the garbage incineration, and effectively utilizes the heat value of garbage, and further completely utilizes the garbage ash in a recycling manner.
Owner:JIANGSU PENGFEI GROUP

Combined multi-stage energy saver of equipment for recycling residual steam of waste water and waste heat

The invention relates to the field of waste water and waste heat recycling, in particular to equipment for recycling residual steam of waste water and waste heat. The equipment is provided with an energy collector and an energy saver, wherein the energy collector and the energy saver are both of a box body structure; the energy collector is installed on the upper part of the energy saver and separated from the energy saver by a bin clamping plate; a first header, a second header, a snakelike pipe, a box body guide pipe and a waste heat guide pipe are arranged in the energy collector; an energystorage inlet device and a condensed water discharge pipe seat are arranged outside the energy collector; a left header, a right header and a snakelike pipe are arranged in the energy saver; and an energy storage discharge device and a residual steam inlet pipe seat are arranged outside the energy saver. The equipment for recycling the residual steam of the waste water and the waste heat has theadvantages of compact structure, convenient operation, smooth running of the residual steam of the waste heat, reverse movement of the energy storage and the residual steam of the waste heat, scientific heat exchange process principle, and high utilization efficiency; and the equipment has a three-stage heat exchange process to ensure the maximum utilization of the residual steam of the waste heat, and a large temperature difference between the energy storage and waste heat is always kept in the three-stage heat exchange process, so that the heat value utilization rate is fully improved, and the heat exchange efficiency is high.
Owner:王国兴 +1

Method and device for high-temperature co-gasification of combustible solid waste, biomass and coal

The invention discloses a method and device for high-temperature co-gasification of combustible solid waste, biomass and coal. The method includes the following steps: performing sorting on the combustible solid waste and the biomass, performing crushing, performing drying, and performing mixing with the coal to obtain a mixed material; performing gasification on the mixed material, performing combustion, sending a mixed material which is not completely reacted in the gasification process to the combustion process for combustion, performing gas-solid separation on a flue gas which has high-temperature ash and is generated in the combustion process, and sending the separated high-temperature ash to the gasification process to provide heat for a gasification reaction, so as to make the gasification process coupled with the combustion process. The method provided by the invention not only improves the coal gas calorific value and energy utilization rate of gasified coal, saves the production costs of coal gasification, but also is environmentally friendly, solves the comprehensive treatment and utilization problems of the combustible solid waste and the biomass, and realizes the maximum utilization of energy sources.
Owner:BEIJING LEIHAO ENVIRONMENTAL PROTECTION ENERGY TECH

Municipal sludge pyrolysis system and pyrolysis treatment method

ActiveCN107265817AHigh calorific value utilizationImprove thermal decomposition effectSludge treatment by pyrolysisSludgeFlue gas
The invention discloses a municipal sludge pyrolysis system and a pyrolysis treatment method. The municipal sludge pyrolysis system comprises a pedestal and an incinerating furnace body arranged on the pedestal, wherein an incinerating chamber is formed in the incinerating furnace body; a pyrolysis furnace body is arranged inside the incinerating chamber; the end part of the pyrolyzing furnace body is in sealed fit with the incinerating chamber; a pyrolysis furnace motor for driving the pyrolyzing furnace body to rotate in the horizontal axial direction is arranged on the pedestal; a communicated separating chamber is formed in the discharge end of the pyrolysis furnace body; a gas inlet pipe connecting the separating chamber and the incinerating chamber is arranged inside the incinerating furnace body; a discharge opening is formed in the lower end of the separating chamber; a partition board for partitioning the incinerating chamber into an upper incinerating chamber and a lower incinerating chamber is arranged inside the incinerating furnace body; an upper oxygen supplying pipe is arranged inside the upper incinerating chamber; a lower oxygen supplying pipe is arranged inside the lower incinerating chamber; a secondary oxygen supplying chamber is formed in the discharge opening; a hot flue gas pipe flowing into the incinerating chamber in one-way manner is arranged on the upper part of the secondary oxygen supplying chamber; a conveying pipe leading to the lower incinerating chamber is arranged on the lower part of the secondary oxygen supplying chamber. The invention aims to provide the municipal sludge pyrolysis system and the pyrolysis treatment method.
Owner:ZHEJIANG SANLIAN ENVIRONMENT MACHINERY EQUIP

Coal gas anhydrous dust collecting equipment of revolving furnace and technique thereof

The invention relates to a converter coal gas non-water dust removing equipment, which comprises a converter, a radiant type waste-heat boiler, an adjusting valve, a cyclone dust remover, a bag-type dust remover, a coal gas temperature controlling device, a flow meter, a main induced draft fan, a three-way valve, an emission chimney, a rotary water seal, a U-shaped water seal, and a coal gas tank. The invention is characterized in that a convection type waste-heat boiler is connected between the outlet position of the radiant type waste-heat boiler and the adjusting valve, and the convection type waste-heat boiler is composed of a settling chamber, a heat exchange component, a baffle plate, a box body, and an ash discharging opening. A process method comprises the steps that converter coal gas comes into the convection type waste-heat boiler via radiant type waste-heat boiler after recovery waste heat, the gravitational settling is performed to come into the adjusting valve, and the bag-type dust remover, etc to perform dust fining removal after the recovery waste heat, the emission is performed through the three-way valve or the converter coal gas comes into the coal gas tank to perform coal gas recovery, and the invention has the advantage that the energy consumption is reduced through recovering heat energy.
Owner:北京中冶设备研究设计总院有限公司

Coal dry distillation method and device for realizing same

The invention discloses a coal dry distillation method and a device for realizing the same, which are used for solving the problems of low heat value utilization rate and high equipment manufacturing cost of the existing external-heat dry distillation technology, coal gas mixing in nitrogen in the internal-heat dry distillation technology and difficult semi-coke conveying of the internal / external-heat combined dry distillation technology. In the invention, the coal is subjected to dry distillation sequentially through an external-heat heating area, an internal-heat combustion area and an external-heat heating area with different temperatures and is heated by taking the hot semi-coke generated in the internal-heat dry distillation area as raw material coal, and the smoke generated in the internal-heat heating area is discharged. The device comprises an outer barrel, an inner barrel and a flue between the outer barrel and the inner barrel, wherein a combustion barrel internally communicated with the flue is mounted in the inner barrel, and a horizontal return screw is arranged on the outer wall of the inner barrel and the combustion barrel, thus the coal heating and dry distillation time is prolonged; and meanwhile, the isolation between the direct and indirect heating of the smoke and the coal gas is realized, the quality of the coal gas is guaranteed, and the production efficiency and the dry distillation heat efficiency are improved.
Owner:榆林市榆神工业区能源科技发展有限公司

A method and equipment for mechanically breaking up fluidized drying of coal slime

The invention relates to a mechanical dispersion fluidization drying method and equipment for coal slime. The method is used for realizing fluidization drying of coal slime particulates by using hot smoke while dispersing coal slime to be dried into the coal slime particulates. The drying method is high in heat utilization rate and yield as well as wide in application range. The equipment comprises a drying box body and a stirring shaft, wherein the drying box body is provided with a feeding hole, a discharging hole, a gas outlet and a smoke inlet; the stirring shaft is used for dispersing the coal slime to be dried, is arranged at the bottom of the drying box body and is located above the smoke inlet; the coal slime to be dried is dispersed into the coal slime particulates by using the stirring shaft after entering the drying box body through the feeing hole, meanwhile, the hot smoke enters from the smoke inlet at the bottom of the drying box body at a proper flow rate and is discharged from the gas outlet after carrying out fluidization drying on the coal slime particulates, and at the same time, the dried coal slime is output from the discharging hole. The equipment is large in gas and solid drying contact area, long in drying time, high in heat utilization rate and yield and small in floor area.
Owner:CHANGAN UNIV
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