WO2012022058A1 - Decomposition equipment with single burner for coal substance - Google Patents

Decomposition equipment with single burner for coal substance Download PDF

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Publication number
WO2012022058A1
WO2012022058A1 PCT/CN2010/077016 CN2010077016W WO2012022058A1 WO 2012022058 A1 WO2012022058 A1 WO 2012022058A1 CN 2010077016 W CN2010077016 W CN 2010077016W WO 2012022058 A1 WO2012022058 A1 WO 2012022058A1
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coal
rotary kiln
pipe
gas
burner
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PCT/CN2010/077016
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French (fr)
Chinese (zh)
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朱书成
王希彬
黄祥云
曹国超
刘伟
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西峡龙成特种材料有限公司
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Priority to CN201010262573.3 priority Critical
Priority to CN 201010262573 priority patent/CN101985557B/en
Application filed by 西峡龙成特种材料有限公司 filed Critical 西峡龙成特种材料有限公司
Publication of WO2012022058A1 publication Critical patent/WO2012022058A1/en

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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/04Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B47/00Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C10B47/28Other processes
    • C10B47/30Other processes in rotary ovens or retorts
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B47/00Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C10B47/28Other processes
    • C10B47/32Other processes in ovens with mechanical conveying means
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B49/00Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
    • C10B49/02Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/02Dust removal
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/04Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials

Abstract

A decomposition equipment with single burner for coal substance is disclosed. Coal powder left after lump coal having been picked by coal mining enterprises is used as the raw material of the decomposition equipment. After flowing into the decomposition equipment through an inlet, the coal powder significantly absorbs the heat created in the decomposition equipment, and constantly decomposes to obtain the relatively purified gas, coal tar and coal of higher heat-value. The relatively purified gas and tar gas flow into a collection device for dedusting, separating, and liquefying by pressurizing, and then are stored. The coal of higher heat-value flows out from an outlet and is stored. The decomposition equipment enables the coal substance to be decomposed and be separated quickly and efficiently, fully saves and utilizes energy, greatly improves the utilization ratio and utilization level of coal resource.

Description

煤物质单燃烧器分解设备Coal material single burner decomposition equipment 技术领域Technical field
本发明属于煤物质综合利用、节能减排技术领域,具体涉及一种煤物质单燃烧器分解设备。  The invention belongs to the technical field of comprehensive utilization of coal materials, energy saving and emission reduction, and particularly relates to a decomposition device of coal material single burner.
背景技术Background technique
在公知技术中,有利用煤制煤气的,有利用煤制天然气的,还有利用煤进行高温、中温、低温炼焦、制气的,但上述工艺方法不是将煤粉团成块的,就是要筛选块料,原料成本增加,或所产气热值不高,附加值不大,经济效益和社会效益不显著。炉的加热方式可分为外热式、内热式及内热外热混合式。外热式炉的加热介质与原料不直接接触,热量由炉壁传入;内热式炉的加热介质与原料直接接触,因加热介质的不同而有固体热载体法和气体热载体法两种。 In the well-known technology, there are coal-based gas, coal-based natural gas, coal, high-temperature, medium-temperature, low-temperature coking, gas production, but the above process is not a coal lumps, it is Screening of block materials, raw material costs increase, or the gas heat value produced is not high, the added value is not large, economic and social benefits are not significant. The heating method of the furnace can be divided into external heating type, internal heat type and internal heat external heat mixing type. The heating medium of the external heat furnace is not in direct contact with the raw material, and the heat is introduced from the furnace wall; the heating medium of the internal heat furnace is in direct contact with the raw material, and there are two kinds of solid heat carrier method and gas heat carrier method depending on the heating medium.
内热式气体热载体法是 工业上已采用的典型方法。此法采用气体热载体内热式垂直连续炉,即从上而下包括干燥段、 分解 段和冷却段三部分。煤低温 分解 褐煤或由褐煤压制成的型块(约25~60mm)由上而下移动,与燃烧气逆流直接接触受热。炉顶原料的含水量约15%时,在干燥段脱除水分至 1.0%以下,逆流而上的约250℃热气体冷至80~100℃。干燥后原料在 分解 段被600~700℃不含氧的燃烧气加热至约500℃,发生热分解;热气体冷至约250℃,生成的半焦进入冷却段被冷气体冷却。半焦排出后进一步用水和空气冷却。从 分解 段逸出的挥发物经过冷凝、冷却等步骤,得到焦油和 热解水。德国、美国、苏联、捷克斯洛伐克、新西兰和日本都曾建有此类炉型。 The internal heat gas heat carrier method is a typical method that has been employed in the industry. The method adopts a gas heat carrier internal heat vertical continuous furnace, that is, a drying section from top to bottom, The decomposition section and the cooling section are three parts. Low temperature decomposition of coal Lignite or a block made of lignite (about 25 to 60 mm) moves from top to bottom and is in direct contact with the combustion gas in direct contact with heat. When the water content of the top material is about 15%, the moisture is removed in the drying section. Below 1.0%, the hot gas of about 250 ° C upstream to the upstream is cooled to 80 to 100 ° C. After drying, the raw materials are decomposed The section is heated to about 500 ° C by a combustion gas containing no oxygen at 600 to 700 ° C to cause thermal decomposition; the hot gas is cooled to about 250 ° C, and the generated semi-coke enters the cooling section and is cooled by the cold gas. After the semi-coke is discharged, it is further cooled with water and air. From The volatiles escaping from the decomposition section are subjected to condensation, cooling and the like to obtain tar and pyrolysis water. Such furnaces have been built in Germany, the United States, the Soviet Union, Czechoslovakia, New Zealand and Japan.
内热式固体热载体法是固体热载体内热式的典型方法。原料为褐煤、非粘结性煤、弱粘结性煤以及油页岩。20世纪50年代,在联邦德国多尔斯滕建有一套处理能力为10t/h煤的中间试验装置,使用的热载体是固体颗粒(小瓷球、砂子或半焦)。由于过程产品气体不含废气,因此后处理系统的设备尺寸较小,煤气热值较高,可达20.5~40.6MJ/m3。此法由于温差大,颗粒小,传热极快,因此具有很大的处理能力。所得液体产品较多、加工高挥发分煤时,产率可达30%。L-R法工艺流程煤低温分解是 首先将初步预热的小块原料煤,同来自分离器的热半焦在混合器内混合,发生热分解作用。然后落入缓冲器内,停留一定时间,完成热分解。从缓冲器出来的半焦进入提升管底部,由热空气提送,同时在提升管中烧去其中的残碳,使温度升高,然后进入分离器内进行气固分离。半焦再返回混合器,如此循环。从混合器逸出的挥发物,经除尘、冷凝和冷却、回收油类,得到热值较高的煤气。The internal heat solid heat carrier method is a typical method for the internal heat of a solid heat carrier. The raw materials are lignite, non-cohesive coal, weakly cohesive coal and oil shale. In the 1950s, an intermediate test unit with a capacity of 10 t/h of coal was built in Dorsten, the Federal Republic of Germany. The heat carrier used was solid particles (small ceramic balls, sand or semi-coke). Since the process product gas does not contain exhaust gas, the equipment of the aftertreatment system is small in size, and the gas heat value is high, up to 20.5 to 40.6 MJ/m 3 . This method has a large processing capacity due to large temperature difference, small particle size and extremely fast heat transfer. When the obtained liquid products are large and the high volatile coal is processed, the yield can reach 30%. The LR process process coal low temperature decomposition is to firstly mix the preliminary preheated small piece of raw coal with the hot semi-coke from the separator in the mixer to cause thermal decomposition. Then it falls into the buffer and stays for a certain time to complete the thermal decomposition. The semi-coke coming out of the buffer enters the bottom of the riser and is pumped by hot air. At the same time, the residual carbon in the riser is burned to raise the temperature, and then enters the separator for gas-solid separation. The semi-focus is returned to the mixer and cycled. The volatile matter escaping from the mixer is dedusted, condensed and cooled, and the oil is recovered to obtain a gas having a higher calorific value.
技术问题technical problem
当前,常用的煤分解设备主要是有两种,有一种是竖窑结构,该结构燃烧烟气和煤产生的可燃性气体,使得可燃气的纯度低,附加值低,还有部分排出,造成资源的大量浪费和环境的污染。另一种立窑是煤块放置在带孔的隔板上,煤块上方有加热器,因隔板上的煤块有一定的堆积厚度,不能被均匀加热、分解,需要用被分解的气体循环加热、分解,更为重要的是,因为煤隔板上循环通气孔的大量存在,煤粉会从通气孔漏下来,所以煤粉需要进入立窑时先需要将煤粉加工成煤团,所以煤粉不能直接用于窑体分离,这就相应地增加了煤粉分解的成本,降低了经济效益。 At present, there are mainly two kinds of commonly used coal decomposition equipments, one is a shaft kiln structure, which burns flue gas and flammable gas generated by coal, so that the purity of the combustible gas is low, the added value is low, and some are discharged, resulting in A lot of waste of resources and environmental pollution. Another type of shaft kiln is a coal block placed on a perforated partition. There is a heater above the coal block. Because the coal block on the partition has a certain thickness, it cannot be uniformly heated and decomposed, and the decomposed gas is needed. Circulating heating, decomposition, and more importantly, because of the large amount of circulating vent holes on the coal separator, coal powder will leak from the vent hole, so the coal powder needs to be processed into coal mass when it needs to enter the shaft kiln. Therefore, pulverized coal cannot be directly used for kiln separation, which increases the cost of pulverized coal decomposition and reduces economic benefits.
技术解决方案Technical solution
本发明为解决上述工艺及方法中存在的问题,提出了一种能直接将煤物质分离、提高其综合利用价值、节能减排,从而提高经济效益和社会效益的煤物质单燃烧器分解设备。 The invention solves the problems existing in the above-mentioned processes and methods, and proposes a coal material single burner decomposition device capable of directly separating coal materials, improving the comprehensive utilization value thereof, energy saving and emission reduction, thereby improving economic and social benefits.
一种煤物质单燃烧器分解设备,包括一个横向设置的密封回转窑体,所述回转窑体包括一个进料口、出料口,所述回转窑体内沿窑体方向设置一个燃烧器,所述燃烧器由燃气进气管、伸出回转窑体外空气进气管、混合燃烧室、点火器、密排散热管组成,所述燃气进气管、空气进气管沿回转窑体的轴线方向平行设置,所述混合燃烧室一侧连通所述密排散热管,另一侧与所述燃气进气管、空气进气管连通,所述点火器设置在混合燃烧室内,所述燃烧器与回转窑体内壁之间形成的空腔为煤物质推进分离通道,所述煤物质推进分离通道与所述进料口和出料口连通,所述回转窑体上进料口所在端设置煤分离出的燃气、焦油气收集管,所述煤分离出的燃气、焦油气收集管与煤物质推进分离通道连通,另一端与燃气除尘液化机构连接,所述密排散热管与焰气汇集管连通,所述焰气汇集管伸出回转窑外。 A coal material single burner decomposition device comprises a horizontally disposed sealed rotary kiln body, the rotary kiln body comprises a feed port and a discharge port, and a rotary burner is arranged in the rotary kiln body in the direction of the kiln body. The burner comprises a gas inlet pipe, an outer air inlet pipe extending from the rotary kiln, a mixed combustion chamber, an igniter, and a dense heat pipe. The gas inlet pipe and the air intake pipe are arranged in parallel along the axial direction of the rotary kiln body. One side of the mixing combustion chamber communicates with the close-dissipating heat pipe, and the other side is in communication with the gas inlet pipe and the air intake pipe. The igniter is disposed in the mixing combustion chamber, and the burner and the inner wall of the rotary kiln The formed cavity is a coal material propulsion separation channel, and the coal material propulsion separation channel is connected with the feed port and the discharge port, and the gas, coke oil and gas separated by the coal is disposed at the end of the feed port of the rotary kiln body. a collecting pipe, the gas and coke oil collecting pipe separated by the coal is connected with the coal material propelling separation channel, and the other end is connected with a gas dust removing liquefaction mechanism, and the close-dissipating heat pipe and the flame gas sink The headers are connected, and the flame collecting tubes extend outside the rotary kiln.
所述空气进气管与混合燃烧室之间设置密排吸热进气管道和空气分配室,所述密排吸热进气管道和空气分配室连通,所述空气分配室与所述空气进气管连通。 A close-packed heat-absorbing air intake duct and an air distribution chamber are disposed between the air intake pipe and the mixing combustion chamber, and the close-packed heat-absorbing air intake duct communicates with an air distribution chamber, and the air distribution chamber and the air intake duct Connected.
所述回转窑体内壁上设置煤粉扬起推进机构。 A pulverized coal lifting propulsion mechanism is disposed on the inner wall of the rotary kiln.
所述煤粉扬起推进机构是大量设置在回转窑体内壁上的扬板。 The pulverized coal lifting propulsion mechanism is a plurality of lifting plates disposed on the inner wall of the rotary kiln.
所述密排散热管、燃气进气管、密排吸热进气管道与回转窑体内壁之间设置管道支撑机构。 A pipe support mechanism is arranged between the close-dissipating heat pipe, the gas inlet pipe, the close-packing heat-absorbing air inlet pipe and the inner wall of the rotary kiln.
所述回转窑体内壁设置隔热保温层,减小窑内热损失。 The inner wall of the rotary kiln is provided with an insulation layer to reduce heat loss in the kiln.
所述焰气汇集管远离密排散热管的一端与煤粉干燥预热机构连接。 The flame gas collecting tube is connected to the pulverized coal drying preheating mechanism at one end of the heat collecting tube.
有益效果Beneficial effect
由于本发明将常用的竖立分解窑形式改成基本水平的横向密闭回转窑体,回转窑体内燃烧器内的燃气进气管、空气进气管将空气和燃气带入混合燃烧室,点火器点燃混合气,燃烧后的焰气源源不断地进入密排散热管,产生的大量的热通过密排散热管壁传导、辐射到燃烧器与回转窑体内壁之间形成的空腔内的煤粉上,被回转窑体内壁上设置的煤粉扬起推进机构扬起的煤物质充分地吸收,煤物质升温分解,就在煤物质推进分离通道内分解成燃气、焦油气和热值较高的煤,燃气和焦油气通过所述煤分离燃气、焦油气收集管与回转窑外的燃气除尘液化机构连接,将分解到的燃气、焦油气收集、除尘、分离、加压液化。所述空气进气管包括密排吸热进气管道和空气分配室,密排吸热进气管道的设置便于充分吸收高温已分解煤物质内的热,一方面充分利用了系统产生的热能,同时使得已分解的煤物质的温度慢慢降低,最终便于贮存和利用。所述密排散热管、燃气进气管、空气进气管与回转窑体内壁之间设置管道支撑机构,进一步提高燃烧器与回转窑体之间结合的可靠性和稳定性; 所述焰气汇集管远离密排散热管的一端与煤粉干燥预热机构连接,保证通过焰气汇集管后的焰气内尚存大量的热能被煤物质预吸收干燥升温,提高了能源的利用率,同时也大大提高了进入回转窑体前的煤物质的温度,降低了煤物质的含水量,使煤物质快速高效地分解分离,充分节约和利用了能源,大大地提高了煤资源的利用率和利用水平,将为整个社会带来了大量的经济效益和社会效益。 Since the present invention changes the conventional vertical decomposition kiln form into a horizontal horizontal closed rotary kiln body, the gas intake pipe and the air intake pipe in the burner of the rotary kiln bring air and gas into the mixed combustion chamber, and the igniter ignites the mixed gas. The combusted flame gas continuously enters the dense discharge heat pipe, and a large amount of heat generated is transmitted through the dense heat dissipation pipe wall and radiated to the coal powder in the cavity formed between the burner and the inner wall of the rotary kiln, The coal powder placed on the inner wall of the rotary kiln raises the coal material raised by the propulsion mechanism to be fully absorbed, and the coal material is heated and decomposed, and is decomposed into coal, coke oil and gas with high calorific value in the coal material propulsion separation channel. The coke oil and gas are connected by the coal separation gas, the coke oil and gas collection pipe and the gas dust removal liquefaction mechanism outside the rotary kiln, and the decomposed gas and coke oil and gas are collected, dedusted, separated, pressurized and liquefied. The air intake pipe comprises a close-packed intake air intake duct and an air distribution chamber, and the dense exhaust heat intake duct is arranged to fully absorb the heat in the high-temperature decomposed coal material, and on the other hand, fully utilizes the heat energy generated by the system, The temperature of the decomposed coal material is gradually lowered, and finally it is convenient for storage and utilization. A pipe support mechanism is arranged between the dense exhaust heat pipe, the gas inlet pipe, the air intake pipe and the inner wall of the rotary kiln to further improve the reliability and stability of the combination between the burner and the rotary kiln; The flame gas collecting tube is connected to the pulverized coal drying preheating mechanism at one end of the heat collecting tube, so that a large amount of heat energy remaining in the flame gas after passing through the flame collecting tube is pre-absorbed and heated by the coal material to heat up, thereby improving energy. The utilization rate also greatly increases the temperature of the coal material before entering the rotary kiln body, reduces the water content of the coal material, and rapidly and efficiently decomposes and separates the coal material, fully conserves and utilizes energy, and greatly improves the coal resources. The utilization rate and utilization level will bring a lot of economic and social benefits to the whole society.
附图说明DRAWINGS
图1是本发明的结构示意图; Figure 1 is a schematic view of the structure of the present invention;
图2 是图1中A-A向的剖视图。 Figure 2 is a cross-sectional view taken along line A-A of Figure 1.
本发明的最佳实施方式BEST MODE FOR CARRYING OUT THE INVENTION
如图 1 、图 2 所示:一种煤物质单燃烧器分解设备,包括一个横向设置的密封回转窑体 1 ,所述回转窑体 1 包括一个进料口 2 、出料口 3 ,所述回转窑体 1 内沿窑体方向设置一个燃烧器,所述燃烧器由燃气进气管 4 、空气进气管 5 、混合燃烧室 7 、点火器 8 、密排散热管 6 组成,所述燃气进气管 4 、空气进气管 5 沿回转窑体 1 的轴线方向平行设置,所述空气进气管 5 伸出回转窑体外,所述混合燃烧室 7 一侧连通密排散热管 6 ,另一侧与燃气进气管 4 、空气进气管 5 连通,所述点火器 8 设置在混合燃烧室 7 内,所述燃烧器与回转窑体 1 内壁之间形成的空腔为煤物质推进分离通道 9 ,所述煤物质推进分离通道 9 与所述进料口 2 和出料口 3 连通,所述回转窑体 1 上进料口 2 所在端设置伸出回转窑体 1 外的燃气、焦油气收集管 10 ,所述煤分离燃气、焦油气收集管 10 与煤物质推进分离通道 9 连通,另一端与燃气除尘液化机构 11 连接,所述密排散热管 6 与焰气汇集管 12 连通,所述焰气汇集管 12 伸出回转窑 1 外。回转窑体 1 内燃烧器内的燃气进气管 4 、空气进气管 5 将空气和燃气带入混合燃烧室 7 ,点火器 8 点燃混合气,燃烧后的焰气源源不断地进入密排散热管 6 ,产生的大量的热通过密排散热管 6 壁传导、辐射到燃烧器与回转窑体 1 内壁之间形成的空腔内的煤粉上,被回转窑体 1 内壁上设置的煤粉扬起推进机构 13 扬起的煤粉充分地吸收,煤粉升温分解,就在煤物质推进分离通道 9 内分解成燃气、焦油气和较高热值煤,燃气和焦油气通过所述煤分离燃气、焦油气收集管 10 与回转窑外 1 的燃气除尘液化机构 11 连接,将分解到的燃气、焦油气收集、除尘、分离、加压液化。  As shown in Figure 1 and Figure 2: a coal material single burner decomposition equipment, including a horizontally arranged sealed rotary kiln body 1 The rotary kiln body 1 includes a feed port 2 and a discharge port 3, and a burner is arranged in the rotary kiln body 1 in the direction of the kiln body, the burner is composed of a gas inlet pipe 4 and an air intake pipe 5 The mixed combustion chamber 7 , the igniter 8 , and the dense heat dissipation pipe 6 are composed of the gas inlet pipe 4 and the air intake pipe 5 disposed in parallel along the axial direction of the rotary kiln body 1 , and the air intake pipe 5 Extending out of the rotary kiln, the mixed combustion chamber 7 is connected to the close-dissipating heat pipe 6 on one side, and is connected to the gas inlet pipe 4 and the air intake pipe 5 on the other side, and the igniter 8 is disposed in the mixing combustion chamber 7 The cavity formed between the burner and the inner wall of the rotary kiln 1 is a coal material propulsion separation passage 9 communicating with the feed port 2 and the discharge port 3, Rotary kiln body 1 The upper feed port 2 is provided with a gas and coke oil and gas collection pipe 10 extending outside the rotary kiln body 1, and the coal separation gas, coke oil and gas collection pipe 10 and the coal material propulsion separation passage 9 The other end is connected to the gas dust removing liquefaction mechanism 11 which communicates with the flame gas collecting pipe 12, and the flame gas collecting pipe 12 extends out of the rotary kiln 1. Rotary kiln body 1 The gas inlet pipe 4 and the air intake pipe 5 in the inner burner bring the air and the gas into the mixed combustion chamber 7 , the igniter 8 ignites the mixed gas, and the combusted flame gas source continuously enters the dense heat pipe 6 The generated large amount of heat is transmitted through the wall of the dense heat-dissipating tube 6 and radiated to the coal powder in the cavity formed between the burner and the inner wall of the rotary kiln body 1, and is raised by the coal powder disposed on the inner wall of the rotary kiln body 1. Propulsion mechanism 13 The raised coal powder is fully absorbed, and the pulverized coal is heated and decomposed, and is decomposed into gas, coke oil and high calorific value coal in the coal material propulsion separation channel 9, and the gas and coke oil and gas are separated by the coal to separate the gas and coke oil and gas collection pipes. 10 It is connected to the gas dust removal liquefaction mechanism 11 outside the rotary kiln, and collects, dedusts, separates, pressurizes and liquefies the decomposed gas and coke.
所述空气进气管 5 与混合燃烧室 7 之间设置密排吸热进气管道 15 和空气分配室 14 ,所述密排吸热进气管道 15 和空气分配室 14 连通,所述空气分配室 14 与所述空气进气管 5 连通。密排吸热进气管道 15 的设置便于充分吸收高温煤粉内的热,一方面充分利用了系统产生的热能,同时使得煤粉的温度慢慢降低,最终便于贮存和利用。 A close-packed intake air intake duct 15 and an air distribution chamber 14 are disposed between the air intake duct 5 and the mixing combustion chamber 7. The close-packed intake air intake duct 15 is in communication with an air distribution chamber 14 that communicates with the air intake duct 5. Close-packed intake air intake duct 15 The setting is convenient to fully absorb the heat in the high-temperature coal powder, on the one hand, the thermal energy generated by the system is fully utilized, and the temperature of the coal powder is gradually lowered, and finally the storage and utilization are facilitated.
所述回转窑体 1 内壁上设置煤粉扬起推进机构 13 ,大量设置在回转窑体内壁 1 上的扬板一方面推进煤粉向前运动,另一方面将煤粉翻转、扬得更均匀,便宜于吸收大量的热。 A pulverized coal lifting propulsion mechanism 13 is disposed on the inner wall of the rotary kiln body 1, and is disposed in a large amount on the inner wall of the rotary kiln 1 On the one hand, the lifting plate pushes the pulverized coal forward movement, on the other hand, the coal powder is turned over and raised more evenly, and it is cheaper to absorb a large amount of heat.
所述密排散热管 6 、燃气进气管 4 、空气进气管 5 与回转窑体 1 内壁之间设置管道支撑机构 16 ,进一步提高燃烧器与回转窑体之间结合的可靠性和稳定性。 A pipe supporting mechanism is disposed between the close-dissipating heat pipe 6, the gas inlet pipe 4, the air intake pipe 5 and the inner wall of the rotary kiln body 16 Further improve the reliability and stability of the combination between the burner and the rotary kiln.
所述焰气汇集管 12 远离密排散热管 6 的一端通过管道 17 与煤粉干燥预热机构 18 连接,保证通过焰气汇集管 12 后的焰气内尚存大量的热能被煤粉预吸收、被干燥,提高能源的利用率,同时也大大提高了进入回转窑体 1 前的煤粉的温度。 The flame gas collecting pipe 12 is away from the end of the close-packing heat pipe 6 through the pipe 17 and the pulverized coal drying preheating mechanism 18 The connection ensures that a large amount of thermal energy in the flame gas after passing through the flame collecting tube 12 is pre-absorbed and dried by the pulverized coal, thereby improving the utilization rate of the energy, and also greatly increasing the temperature of the pulverized coal before entering the rotary kiln body 1. .
所述回转窑体1内壁设置保温隔热层。 An insulating layer is disposed on the inner wall of the rotary kiln body 1.
本发明的实施方式Embodiments of the invention
如图 1 、图 2 所示:一种煤物质单燃烧器分解设备,包括一个横向设置的密封回转窑体 1 ,所述回转窑体 1 包括一个进料口 2 、出料口 3 ,所述回转窑体 1 内沿窑体方向设置一个燃烧器,所述燃烧器由燃气进气管 4 、空气进气管 5 、混合燃烧室 7 、点火器 8 、密排散热管 6 组成,所述燃气进气管 4 、空气进气管 5 沿回转窑体 1 的轴线方向平行设置,所述空气进气管 5 伸出回转窑体外,所述混合燃烧室 7 一侧连通密排散热管 6 ,另一侧与燃气进气管 4 、空气进气管 5 连通,所述点火器 8 设置在混合燃烧室 7 内,所述燃烧器与回转窑体 1 内壁之间形成的空腔为煤物质推进分离通道 9 ,所述煤物质推进分离通道 9 与所述进料口 2 和出料口 3 连通,所述回转窑体 1 上进料口 2 所在端设置伸出回转窑体 1 外的燃气、焦油气收集管 10 ,所述煤分离燃气、焦油气收集管 10 与煤物质推进分离通道 9 连通,另一端与燃气除尘液化机构 11 连接,所述密排散热管 6 与焰气汇集管 12 连通,所述焰气汇集管 12 伸出回转窑 1 外。回转窑体 1 内燃烧器内的燃气进气管 4 、空气进气管 5 将空气和燃气带入混合燃烧室 7 ,点火器 8 点燃混合气,燃烧后的焰气源源不断地进入密排散热管 6 ,产生的大量的热通过密排散热管 6 壁传导、辐射到燃烧器与回转窑体 1 内壁之间形成的空腔内的煤粉上,被回转窑体 1 内壁上设置的煤粉扬起推进机构 13 扬起的煤粉充分地吸收,煤粉升温分解,就在煤物质推进分离通道 9 内分解成燃气、焦油气和较高热值煤,燃气和焦油气通过所述煤分离燃气、焦油气收集管 10 与回转窑外 1 的燃气除尘液化机构 11 连接,将分解到的燃气、焦油气收集、除尘、分离、加压液化。  As shown in Figure 1 and Figure 2: a coal material single burner decomposition equipment, including a horizontally arranged sealed rotary kiln body 1 The rotary kiln body 1 includes a feed port 2 and a discharge port 3, and a burner is arranged in the rotary kiln body 1 in the direction of the kiln body, the burner is composed of a gas inlet pipe 4 and an air intake pipe 5 The mixed combustion chamber 7 , the igniter 8 , and the dense heat dissipation pipe 6 are composed of the gas inlet pipe 4 and the air intake pipe 5 disposed in parallel along the axial direction of the rotary kiln body 1 , and the air intake pipe 5 Extending out of the rotary kiln, the mixed combustion chamber 7 is connected to the close-dissipating heat pipe 6 on one side, and is connected to the gas inlet pipe 4 and the air intake pipe 5 on the other side, and the igniter 8 is disposed in the mixing combustion chamber 7 The cavity formed between the burner and the inner wall of the rotary kiln 1 is a coal material propulsion separation passage 9 communicating with the feed port 2 and the discharge port 3, Rotary kiln body 1 The upper feed port 2 is provided with a gas and coke oil and gas collection pipe 10 extending outside the rotary kiln body 1, and the coal separation gas, coke oil and gas collection pipe 10 and the coal material propulsion separation passage 9 The other end is connected to the gas dust removing liquefaction mechanism 11 which communicates with the flame gas collecting pipe 12, and the flame gas collecting pipe 12 extends out of the rotary kiln 1. Rotary kiln body 1 The gas inlet pipe 4 and the air intake pipe 5 in the inner burner bring the air and the gas into the mixed combustion chamber 7 , the igniter 8 ignites the mixed gas, and the combusted flame gas source continuously enters the dense heat pipe 6 The generated large amount of heat is transmitted through the wall of the dense heat-dissipating tube 6 and radiated to the coal powder in the cavity formed between the burner and the inner wall of the rotary kiln body 1, and is raised by the coal powder disposed on the inner wall of the rotary kiln body 1. Propulsion mechanism 13 The raised coal powder is fully absorbed, and the pulverized coal is heated and decomposed, and is decomposed into gas, coke oil and high calorific value coal in the coal material propulsion separation channel 9, and the gas and coke oil and gas are separated by the coal to separate the gas and coke oil and gas collection pipes. 10 It is connected to the gas dust removal liquefaction mechanism 11 outside the rotary kiln, and collects, dedusts, separates, pressurizes and liquefies the decomposed gas and coke.
所述空气进气管 5 与混合燃烧室 7 之间设置密排吸热进气管道 15 和空气分配室 14 ,所述密排吸热进气管道 15 和空气分配室 14 连通,所述空气分配室 14 与所述空气进气管 5 连通。密排吸热进气管道 15 的设置便于充分吸收高温煤粉内的热,一方面充分利用了系统产生的热能,同时使得煤粉的温度慢慢降低,最终便于贮存和利用。 A close-packed intake air intake duct 15 and an air distribution chamber 14 are disposed between the air intake duct 5 and the mixing combustion chamber 7. The close-packed intake air intake duct 15 is in communication with an air distribution chamber 14 that communicates with the air intake duct 5. Close-packed intake air intake duct 15 The setting is convenient to fully absorb the heat in the high-temperature coal powder, on the one hand, the thermal energy generated by the system is fully utilized, and the temperature of the coal powder is gradually lowered, and finally the storage and utilization are facilitated.
所述回转窑体 1 内壁上设置煤粉扬起推进机构 13 ,大量设置在回转窑体内壁 1 上的扬板一方面推进煤粉向前运动,另一方面将煤粉翻转、扬得更均匀,便宜于吸收大量的热。 A pulverized coal lifting propulsion mechanism 13 is disposed on the inner wall of the rotary kiln body 1, and is disposed in a large amount on the inner wall of the rotary kiln 1 On the one hand, the lifting plate pushes the pulverized coal forward movement, on the other hand, the coal powder is turned over and raised more evenly, and it is cheaper to absorb a large amount of heat.
所述密排散热管 6 、燃气进气管 4 、空气进气管 5 与回转窑体 1 内壁之间设置管道支撑机构 16 ,进一步提高燃烧器与回转窑体之间结合的可靠性和稳定性。 A pipe supporting mechanism is disposed between the close-dissipating heat pipe 6, the gas inlet pipe 4, the air intake pipe 5 and the inner wall of the rotary kiln body 16 Further improve the reliability and stability of the combination between the burner and the rotary kiln.
所述焰气汇集管 12 远离密排散热管 6 的一端通过管道 17 与煤粉干燥预热机构 18 连接,保证通过焰气汇集管 12 后的焰气内尚存大量的热能被煤粉预吸收、被干燥,提高能源的利用率,同时也大大提高了进入回转窑体 1 前的煤粉的温度。 The flame gas collecting pipe 12 is away from the end of the close-packing heat pipe 6 through the pipe 17 and the pulverized coal drying preheating mechanism 18 The connection ensures that a large amount of thermal energy in the flame gas after passing through the flame collecting tube 12 is pre-absorbed and dried by the pulverized coal, thereby improving the utilization rate of the energy, and also greatly increasing the temperature of the pulverized coal before entering the rotary kiln body 1. .
所述回转窑体1内壁设置保温隔热层。 An insulating layer is disposed on the inner wall of the rotary kiln body 1.

Claims (9)

  1. 一种煤物质单燃烧器分解设备,包括一个横向设置的密封回转窑体,所述回转窑体包括一个进料口、出料口,其特征在于:所述回转窑体内沿窑体方向设置一个燃烧器,所述燃烧器由燃气进气管、伸出回转窑体外空气进气管、混合燃烧室、点火器、密排散热管组成,所述燃气进气管、空气进气管沿回转窑体的轴线方向平行设置,所述混合燃烧室一侧连通所述密排散热管,另一侧与所述燃气进气管、空气进气管连通,所述点火器设置在混合燃烧室内,所述燃烧器与回转窑体内壁之间形成的空腔为煤物质推进分离通道,所述煤物质推进分离通道与所述进料口和出料口连通,所述回转窑体上进料口所在端设置伸出回转窑体外的煤分离燃气、焦油气收集管,所述煤分离燃气、焦油气收集管与煤物质推进分离通道连通,另一端与燃气除尘液化机构连接,所述密排散热管与焰气汇集管连通,所述焰气汇集管伸出回转窑外。 A coal material single burner decomposition device comprises a horizontally disposed sealed rotary kiln body, the rotary kiln body comprising a feed port and a discharge port, wherein: the rotary kiln body is arranged in the direction of the kiln body a burner comprising a gas inlet pipe, an outer air inlet pipe extending from the rotary kiln, a mixed combustion chamber, an igniter, and a dense heat pipe, wherein the gas inlet pipe and the air intake pipe are along an axis direction of the rotary kiln body Parallelly disposed, the mixed combustion chamber side communicates with the close-dissipating heat pipe, and the other side is in communication with the gas inlet pipe and the air intake pipe, and the igniter is disposed in the mixing combustion chamber, the burner and the rotary kiln The cavity formed between the inner wall is a coal material propulsion separation passage, and the coal material propulsion separation passage is in communication with the feed port and the discharge port, and the end of the feed port of the rotary kiln body is disposed to extend out of the rotary kiln In vitro coal separation gas, coke oil and gas collection pipe, the coal separation gas, coke oil and gas collection pipe is connected with the coal material propulsion separation channel, and the other end is connected with the gas dust removal liquefaction mechanism The dense exhaust heat pipe is connected to the flame gas collecting pipe, and the flame gas collecting pipe extends outside the rotary kiln.
  2. 如权利要求 1 所述的煤物质单燃烧器分解设备,其特征在于:所述空气进气管与混合燃烧室之间设置密排吸热进气管道和空气分配室,所述混合燃烧室和密排吸热进气管连通,所述密排吸热进气管道和空气分配室连通,所述空气分配室与所述空气进气管连通。Claims 1 The coal material single burner decomposition device is characterized in that: a dense exhaust heat intake duct and an air distribution chamber are arranged between the air intake pipe and the mixed combustion chamber, and the mixed combustion chamber and the dense exhaust heat sink The trachea is in communication, the close-packed heat-absorbing intake duct is in communication with an air distribution chamber, and the air distribution chamber is in communication with the air intake duct.
  3. 如权利要求 1 或 2 所述的煤物质单燃烧器分解设备,其特征在于:所述回转窑体内壁上设置煤粉扬起推进机构。According to claim 1 or 2 The coal material single burner decomposition device is characterized in that: a coal powder lifting propulsion mechanism is arranged on the inner wall of the rotary kiln.
  4. 如权利要求 3 所述的煤物质单燃烧器分解设备,其特征在于:所述煤粉扬起推进机构是大量设置在回转窑体内壁上的扬板。Claims 3 The coal material single burner decomposition device is characterized in that: the coal powder lifting propulsion mechanism is a plurality of lifting plates disposed on the inner wall of the rotary kiln.
  5. 如权利要求 3 所述的煤物质单燃烧器分解设备,其特征在于:所述密排散热管、燃气进气管、密排吸热进气管道与回转窑体内壁之间设置管道支撑机构。Claims 3 The coal material single burner decomposition device is characterized in that: a pipe support mechanism is arranged between the close-dissipating heat pipe, the gas inlet pipe, the dense exhaust heat intake pipe and the inner wall of the rotary kiln.
  6. 如权利要求 1 或 2 所述的煤物质单燃烧器分解设备,其特征在于:所述回转窑体内壁设置隔热保温材料。According to claim 1 or 2 The coal material single burner decomposition device is characterized in that: the inner wall of the rotary kiln is provided with a heat insulating material.
  7. 如权利要求 5 所述的煤物质单燃烧器分解设备,其特征在于:所述回转窑体内壁设置隔热保温材料。The coal material single burner decomposition apparatus according to claim 5, wherein the inner wall of the rotary kiln is provided with a heat insulating material.
  8. 如权利要求 6 所述的煤物质单燃烧器分解设备,其特征在于:所述焰气汇集管远离密排散热管的一端与煤粉干燥预热机构连接。Claim 6 The coal material single burner decomposition device is characterized in that: the flame gas collection tube is connected to the pulverized coal drying preheating mechanism at an end away from the dense heat dissipation tube.
  9. 如权利要求 7 所述的煤物质单燃烧器分解设备,其特征在于:所述焰气汇集管远离密排散热管的一端与煤粉干燥预热机构连接。Claim 7 The coal material single burner decomposition device is characterized in that: the flame gas collection tube is connected to the pulverized coal drying preheating mechanism at an end away from the dense heat dissipation tube.
PCT/CN2010/077016 2010-08-16 2010-09-16 Decomposition equipment with single burner for coal substance WO2012022058A1 (en)

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