WO2017049743A1 - 新风预热型燃料粉尘回收式气化炉 - Google Patents

新风预热型燃料粉尘回收式气化炉 Download PDF

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Publication number
WO2017049743A1
WO2017049743A1 PCT/CN2015/094020 CN2015094020W WO2017049743A1 WO 2017049743 A1 WO2017049743 A1 WO 2017049743A1 CN 2015094020 W CN2015094020 W CN 2015094020W WO 2017049743 A1 WO2017049743 A1 WO 2017049743A1
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furnace body
dust
inner container
air inlet
fresh air
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PCT/CN2015/094020
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English (en)
French (fr)
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梁万泉
梁春鸿
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梁万泉
梁春鸿
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Publication of WO2017049743A1 publication Critical patent/WO2017049743A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/02—Disposition of air supply not passing through burner
    • F23C7/06—Disposition of air supply not passing through burner for heating the incoming air
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Definitions

  • the invention relates to a heating device, in particular to a gasifier.
  • a gasifier also called a burner
  • the burner is also called a burner, and can be divided into an oil burner and a gas burner according to the fuel; it is divided into a kiln burner and a boiler burner according to the object of use; according to the application field, it can be divided into an industrial burner, a civilian burner and a special one. burner.
  • the fuel burner is divided into light oil (such as diesel) and heavy oil burner (such as waste oil), and the gas burner is divided into natural gas burner, liquefied gas burner, city gas burner, biogas burner and the like.
  • the burner we usually refer to refers to the boiler burner.
  • the split type burner is mainly used in industrial production, and its main features are decomposition and installation of combustion system, air supply system and control system.
  • the machine is mainly suitable for special working environments such as large equipment or high temperature.
  • the China Intellectual Property Office published the patent number CN202065999U, which is patented as a self-protecting burner. It includes a burner, a cylinder drive and a track, and the burner includes a fan and a combustion pipe.
  • the burner is mounted on the rail, the outer end of the cylinder telescopic shaft of the cylinder driving device is connected to the burner, the cylinder telescopic shaft is parallel to the rail;
  • the rail is a furnace combustion passage, a combustion pipe is inserted in the combustion passage of the furnace;
  • a top rod is disposed at a top of the combustion end of the combustion pipe, and an outer end of the top rod is disposed corresponding to the anti-tempering safety door of the upward open furnace hearth;
  • the driving device comprises a cylinder reversing solenoid valve, and the two reversing power supply circuits of the cylinder reversing solenoid valve are respectively connected in series at both ends of the normally open point of the fan power supply circuit and at both ends of
  • the fresh air introduced by the technical solution of the above patent does not preheat, so not only the gasification efficiency is not high enough; since there is no gas for filtering and dust removal, it affects the full combustion of the gas, which not only causes environmental pollution, but also does not save energy.
  • the object of the present invention is to provide a fresh air preheating type fuel dust recovery type gasification furnace which is energy-saving, environmentally friendly and has high gasification efficiency.
  • Fresh air preheating fuel dust recovery type gasifier including furnace body, feeding motor, raw material screw conveyor, storage hopper, gas conduit, cyclone, motor, dust auger, inner liner and spiral wind deflector,
  • the inner tank is arranged in the furnace body, an annular space is arranged between the furnace body and the inner tank, the spiral air guiding plate is arranged in the annulus, and the upper side of the furnace body is provided with an air inlet pipe connected with the inner tank, the inner tank
  • the bottom bottom of the furnace is provided with an air inlet communicating with the annulus, and the lower part of the furnace body is located at the air inlet and is provided with an ignition.
  • the lower end of the furnace body is a ash discharge port, and the top of the furnace body is connected with the cyclone dust collector through a gas conduit.
  • the motor drives the dust screw conveyor to send the dust discharged from the cyclone dust collector back to the inner tank, and the feeding motor drives the raw material screw conveyor.
  • the raw material in the storage hopper is sent into the inner tank, and the fresh air flows into the annulus along the spiral air deflector through the air inlet pipe, and is heated by the furnace body and then enters the inner tank through the air inlet.
  • the storage hopper feeds the raw material into the raw material auger through the feeder, and the feeding motor supplies power to the feeder through the transmission mechanism.
  • the cyclone dust collector feeds the dust into the dust auger through the feeder, and the motor supplies power to the feeder through the transmission mechanism.
  • a top portion of the cyclone is connected with a combustion tube, and a lower portion of the annulus is connected with a hot air discharge tube, and the hot air discharge tube is in communication with a tube wall of the combustion tube.
  • a feeder, a motor and a ash auger are further included, and the ash discharge port sends the ash to the ash auger through the feeder.
  • Figure 1 is a schematic view of the structure of the present invention.
  • furnace body 1, feeding motor; 3, raw material screw conveyor; 4, storage hopper; 5, gas pipeline; 6, cyclone dust collector; 7, motor; 8, dust auger; Bile; 10, spiral air deflector; 11, annulus; 12, air duct; 13, air inlet; 14, igniter; 15, ash outlet; 16, feeder; 17, feeder; , feeding machine; 19, motor; 20, ash snail conveyor; 21, combustion tube; 22, hot air discharge pipe.
  • the fresh air preheating type fuel dust recovery type gasification furnace comprises a furnace body 1, a feeding motor 2, a raw material auger 3, a storage hopper 4, a gas conduit 5, a cyclone 6, a motor 7, and a dust.
  • the screw conveyor 8, the inner casing 9 and the spiral air deflector 10 are disposed in the furnace body 1, and an annular space 11 is arranged between the furnace body 1 and the inner casing 9, and the spiral air deflector 10 is provided.
  • the upper side of the furnace body 1 is provided with an air inlet pipe 12 communicating with the inner casing 9, and the side bottom portion of the inner casing 9 is provided with an air inlet 13 communicating with the annulus 11 and the lower side of the furnace body 1
  • the igniter 14 is disposed at the air inlet 13 , and the lower end of the furnace body 1 is a ash discharge port 15 .
  • the top of the furnace body 1 is connected to the cyclone 6 through the gas conduit 5 , and the motor 7 drives the dust.
  • the screw conveyor 8 sends the dust discharged from the cyclone 6 back to the inner tank 9.
  • the feeding motor 2 drives the raw material screw conveyor 3 to feed the raw materials in the storage hopper 4 into the inner tank 9, and the fresh air enters the ring through the air inlet pipe 12.
  • the air 11 flows downward along the spiral wind deflector 10, is heated by the furnace body 1, and enters the inner tank 9 through the air inlet 13.
  • the hopper 4 feeds the raw material through the feeder 16 to the raw material auger 3, and the feeding motor 2 supplies power to the feeder 16 through the transmission mechanism.
  • the cyclone 6 feeds the dust through the feeder 17 to the dust auger 8, and the motor 7 supplies power to the feeder 17 through the transmission mechanism.
  • a feeder 18, a motor 19, and a ash auger 20 that feeds the ash through the feeder 18 to the ash auger 20.
  • the top of the cyclone 6 is connected to the combustion pipe 21 through an air pipe, and the lower portion of the annulus 11 communicates with a hot air discharge pipe 22 that communicates with the pipe wall of the combustion pipe 21.

Abstract

一种新风预热型燃料粉尘回收式气化炉，包括炉体（1）、送料电机（2）、原料螺旋输送器（3）、储料斗（4）、燃气导管（5）、旋风除尘器（6）、电机（7）、粉尘螺旋输送器（8）、内胆（9）和螺旋式导风板（10），内胆（9）设在炉体（1）内，炉体（1）与内胆（9）之间设有环空（11），螺旋式导风板（10）设在环空（11）中，炉体（1）的上侧部设有与内胆（9）连通的进风管（12），内胆（9）的侧底部设有与环空（11）连通的入风口（13），炉体（1）的侧下部且位于入风口（13）处设有点火器（14），炉体（1）的下端为排灰口（15），炉体（1）的顶部通过燃气导管（5）与旋风除尘器（6）连通，电机（7）带动粉尘螺旋输送器（8）将旋风除尘器（6）排出的粉尘送回内胆（9）中，送料电机（2）带动原料螺旋输送器（3）将储料斗（4）中的原料送入内胆（9）中，新风经进风管（12）进入环空（11）沿着螺旋式导风板（10）向下流动，被炉体（1）加热后经入风口（13）进入内胆（9）。由于在新风进入内胆（9）中前，先利用炉体（1）的热量对新风进行预热，然后再导入内胆（9）中，大大提高了气化的工作效率。由于利用电机（7）带动粉尘螺旋输送器（8）将旋风除尘器（6）排出的粉尘送回内胆（9）中，不仅节能而且还环保。

Description

新风预热型燃料粉尘回收式气化炉 技术领域
本发明涉及一种供热设备，具体是一种气化炉。
背景技术
气化炉也称为燃烧器，是使燃料和空气以一定方式喷出混合(或混合喷出)燃烧的装置统称。燃烧器也叫燃烧机，按照燃料可分为燃油燃烧器和燃气燃烧器；按照使用对象分为窑炉燃烧器和锅炉燃烧器；按照应用领域可分为工业用燃烧器、民用燃烧器及特种燃烧器。其中燃油燃烧器分为轻油(如柴油)和重油燃烧器(如废机油)，燃气燃烧器分为天然气燃烧器、液化气燃烧器、城市煤气燃烧器、沼气燃烧器等。我们平常所说的燃烧器指的是锅炉燃烧器。按结构划分为：整体式燃烧器以及分体式燃烧器。其中分体式燃烧器主要应用于工业生产，其主要特征为燃烧系统、给风系统、控制系统等均分解安装，该种机器主要适合于大型设备或高温等特殊工作环境。
中国知识产权局于2011年12月7日公开了公开号为CN202065999U，专利名称为自保护燃烧机的专利，它包括燃烧机、气缸驱动装置和轨道，所述燃烧机包括有风机和燃烧管道，其中，所述燃烧机安装在所述轨道上，所述气缸驱动装置的气缸伸缩轴外端连接所述燃烧机，所述气缸伸缩轴与所述轨道平行；所述轨道是炉膛燃烧通道，所述燃烧管道插设在所述炉膛燃烧通道内；所述燃烧管道的燃烧端顶部设置有顶杆，所述顶杆外端对应所述向上开启式炉膛燃烧口防回火安全门设置；所述气缸驱动装置包括气缸换向电磁阀，所述气缸换向电磁阀的两个换向供电回路分别串接在风机供电回路的常开点两端和常闭点两端。
上述专利的技术方案导入的新风没有进行预热，故不仅气化效率不够高；由于没有燃气进行过滤除尘，故影响了燃气的充分燃烧，不仅会造成环境污染，而且也不节能。
发明内容
本发明的目的是提供一种节能环保、气化效率高的新风预热型燃料粉尘回收式气化炉。
为实现上述目的，本发明所采用的技术方案是：
新风预热型燃料粉尘回收式气化炉，包括炉体、送料电机、原料螺旋输送器、储料斗、燃气导管、旋风除尘器、电机、粉尘螺旋输送器、内胆和螺旋式导风板，所述内胆设在炉体内，炉体与内胆之间设有环空，螺旋式导风板设在环空中，炉体的上侧部设有与内胆连通的进风管，内胆的侧底部设有与环空连通的入风口，炉体的侧下部且位于入风口处设有点火 器，炉体的下端为排灰口，炉体的顶部通过燃气导管与旋风除尘器连通，电机带动粉尘螺旋输送器将旋风除尘器排出的粉尘送回内胆中，送料电机带动原料螺旋输送器将储料斗中的原料送入内胆中，新风经进风管进入环空沿着螺旋式导风板向下流动，被炉体加热后经入风口进入内胆。
进一步地，所述储料斗通过喂料机将原料送入原料螺旋输送器，送料电机通过传动机构给喂料机提供动力。
进一步地，所述旋风除尘器通过喂料机将粉尘送入粉尘螺旋输送器，电机通过传动机构给喂料机提供动力。
进一步地，所述旋风除尘器的顶部连接有燃烧管，所述环空的下部连通有热风排出管，所述热风排出管与燃烧管的管壁连通。
进一步地，还包括喂料机、电机和灰渣螺旋输送器，所述排灰口通过喂料机将灰渣送入灰渣螺旋输送器。
本发明的有益效果：
由于在新风进入内胆中前，先利用炉体的热量对新风进行预热，然后再导入内胆中，大大提高了气化的工作效率。由于利用电机带动粉尘螺旋输送器将旋风除尘器排出的粉尘送回内胆中，不仅节能而且还环保。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细说明：
图1为本发明的结构示意图。
图中：1、炉体；2、送料电机；3、原料螺旋输送器；4、储料斗；5、燃气导管；6、旋风除尘器；7、电机；8、粉尘螺旋输送器；9、内胆；10、螺旋式导风板；11、环空；12、进风管；13、入风口；14、点火器；15、排灰口；16、喂料机；17、喂料机；18、喂料机；19、电机；20、灰渣螺旋输送器；21、燃烧管；22、热风排出管。
具体实施方式
如图1所示，新风预热型燃料粉尘回收式气化炉，包括炉体1、送料电机2、原料螺旋输送器3、储料斗4、燃气导管5、旋风除尘器6、电机7、粉尘螺旋输送器8、内胆9和螺旋式导风板10，所述内胆9设在炉体1内，炉体1与内胆9之间设有环空11，螺旋式导风板10设在环空11中，炉体1的上侧部设有与内胆9连通的进风管12，内胆9的侧底部设有与环空11连通的入风口13，炉体1的侧下部且位于入风口13处设有点火器14，炉体1的下端为排灰口15，炉体1的顶部通过燃气导管5与旋风除尘器6连通，电机7带动粉尘 螺旋输送器8将旋风除尘器6排出的粉尘送回内胆9中，送料电机2带动原料螺旋输送器3将储料斗4中的原料送入内胆9中，新风经进风管12进入环空11沿着螺旋式导风板10向下流动，被炉体1加热后经入风口13进入内胆9。
储料斗4通过喂料机16将原料送入原料螺旋输送器3，送料电机2通过传动机构给喂料机16提供动力。旋风除尘器6通过喂料机17将粉尘送入粉尘螺旋输送器8，电机7通过传动机构给喂料机17提供动力。还包括喂料机18、电机19和灰渣螺旋输送器20，所述排灰口15通过喂料机18将灰渣送入灰渣螺旋输送器20。
旋风除尘器6的顶部通过导气管与燃烧管21连接，所述环空11的下部连通有热风排出管22，所述热风排出管22与燃烧管21的管壁连通。
以上所述是本发明的优选实施方式而已，当然不能以此来限定本发明之权利范围，应当指出，对于本技术领域的普通技术人员来说，对本发明的技术方案进行修改或者等同替换，都不脱离本发明技术方案的保护范围。

Claims (5)

  1. 一种新风预热型燃料粉尘回收式气化炉，其特征在于：包括炉体、送料电机、原料螺旋输送器、储料斗、燃气导管、旋风除尘器、电机、粉尘螺旋输送器、内胆和螺旋式导风板，所述内胆设在炉体内，炉体与内胆之间设有环空，螺旋式导风板设在环空中，炉体的上侧部设有与内胆连通的进风管，内胆的侧底部设有与环空连通的入风口，炉体的侧下部且位于入风口处设有点火器，炉体的下端为排灰口，炉体的顶部通过燃气导管与旋风除尘器连通，电机带动粉尘螺旋输送器将旋风除尘器排出的粉尘送回内胆中，送料电机带动原料螺旋输送器将储料斗中的原料送入内胆中，新风经进风管进入环空沿着螺旋式导风板向下流动，被炉体加热后经入风口进入内胆。
  2. 根据权利要求1所述的新风预热型燃料粉尘回收式气化炉，其特征在于：所述储料斗通过喂料机将原料送入原料螺旋输送器，送料电机通过传动机构给喂料机提供动力。
  3. 根据权利要求2所述的新风预热型燃料粉尘回收式气化炉，其特征在于：所述旋风除尘器通过喂料机将粉尘送入粉尘螺旋输送器，电机通过传动机构给喂料机提供动力。
  4. 根据权利要求1所述的新风预热型燃料粉尘回收式气化炉，其特征在于：所述旋风除尘器的顶部连接有燃烧管，所述环空的下部连通有热风排出管，所述热风排出管与燃烧管的管壁连通。
  5. 根据权利要求1所述的新风预热型燃料粉尘回收式气化炉，其特征在于：还包括喂料机、电机和灰渣螺旋输送器，所述排灰口通过喂料机将灰渣送入灰渣螺旋输送器。
PCT/CN2015/094020 2015-09-22 2015-11-06 新风预热型燃料粉尘回收式气化炉 WO2017049743A1 (zh)

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