CN100557312C - Sludge desiccation burning integral treatment method and device - Google Patents

Sludge desiccation burning integral treatment method and device Download PDF

Info

Publication number
CN100557312C
CN100557312C CNB2006101478675A CN200610147867A CN100557312C CN 100557312 C CN100557312 C CN 100557312C CN B2006101478675 A CNB2006101478675 A CN B2006101478675A CN 200610147867 A CN200610147867 A CN 200610147867A CN 100557312 C CN100557312 C CN 100557312C
Authority
CN
China
Prior art keywords
sludge
flue gas
fluidized bed
rotary
incineration
Prior art date
Application number
CNB2006101478675A
Other languages
Chinese (zh)
Other versions
CN101210678A (en
Inventor
温俊明
章明川
张小可
姜秀民
郑赞永
范浩杰
周月桂
Original Assignee
上海环保工程成套有限公司;上海交通大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海环保工程成套有限公司;上海交通大学 filed Critical 上海环保工程成套有限公司;上海交通大学
Priority to CNB2006101478675A priority Critical patent/CN100557312C/en
Publication of CN101210678A publication Critical patent/CN101210678A/en
Application granted granted Critical
Publication of CN100557312C publication Critical patent/CN100557312C/en

Links

Abstract

一种污泥干化焚烧一体化处理方法,将污泥输送到一个回转式污泥干化装置内,将流化床焚烧装置中的中温热烟气的一部分引入回转式污泥干化装置内加热蒸发污泥中的水分,将获得的半干化污泥送入流化床焚烧装置内,将中温热烟气的另一部分输送到一个空气预热器内,对流化床焚烧装置的一、二次风进行加热。 Sludge Incineration integration processing method, the sludge is transported to the sludge drying a rotary means, the fluidized bed incinerator in a portion of the flue gas introduced into the warmed rotary sludge drying apparatus the heated evaporation sludge, semi-dry sludge obtained into a fluidized bed incinerator, delivering another part of the flue gas into a warmed air preheater, a fluidized bed incineration a secondary air heating. 将流化床焚烧装置排出的部分灰渣和床料输送到所述的回转式污泥干化装置中,与回转式污泥干化装置中的污泥中进行掺混。 Portion and ash discharged from the fluidized bed material will be transported to a rotary incinerator sludge drying device, a rotary blended with the sludge drying apparatus in the sludge. 实现上述方法的装置,由仓贮给料装置、回转式污泥干化装置和流化床焚烧装置构成。 Means for implementing the method, by the warehousing feed device, a rotary drying apparatus and fluidized bed sludge incineration apparatus. 本发明实现了干化焚烧一体化,省去干化和焚烧之间的污泥冷却、储存、输送以及干化热介质的输送等中间环节,系统简化,占地减少,降低了投资成本。 The present invention achieves the integration Incineration sludge cooling between Provincial buckle down and incineration, storage, transport and delivery of dry heat medium intermediate links, system simplification, reduced area, lower investment costs.

Description

一种污泥干化焚烧一体化处理方法及装置 Sludge Incineration integration processing method and apparatus

技术领域 FIELD

本发明涉及机械领域,尤其涉及污泥干化、焚烧装置,具体的是一种污泥干化焚烧一体化处理方法及装置。 The present invention relates to the mechanical field, in particular, it relates to sludge drying, incineration, specifically a sludge drying and incineration integration processing method and apparatus. 背景技术污泥是污水处理过程所产生的固态、半固态及液态的产物,含有大量的有机物、重金属以及致病菌和病原菌等,如果不加处理而任意排放,会对环境造成严重的污染。 BACKGROUND OF THE INVENTION Sewage sludge is a solid produced by the process, semi-solid and liquid products, contains a lot of organic matter, heavy metals and bacteria and other pathogenic bacteria, if left uncontrolled discharge treatment, would cause serious environmental pollution. 现有技术中,处理污泥的方法主要采用焚烧法, 焚烧法具有处理速度快、无害、减量化程度高的优势,特别是对于土地资源匮乏的地区,或者是有毒有害物质含量高的工业污水污泥,焚烧是唯一行之有效的处理方式,污泥焚烧技术主要有炉排焚烧技术、回转窑焚烧技术、立式多段焚烧技术以及流化床焚烧技术等。 In the prior art, the method of processing mainly sludge incineration, incineration with fast processing speed, high sound, the degree of reduction advantage, particularly for land scarce resource area, or high levels of hazardous substances industrial sewage sludge incineration is the only effective treatment, sludge incineration technologies include incineration grate, rotary kiln incineration, incineration and the vertical multi-stage fluidized-bed incineration technology. 在对污泥进行焚烧处理之前,需要与对污泥进行干化。 Before sludge incineration, and the need for drying sludge. 目前,污泥干化技术主要有转鼓干化技术、 流化床干化技术、蝶式干化技术、浆叶式干化技术、盘式干化技术以及带式干化技术等。 Currently, sludge drying technologies include drum drying techniques, fluid bed drying techniques, butterfly drying technique, paddle drying technology, pan drying and belt drying art technology. 但是,现有技术中,干化和焚烧两个环节在过程和设备上都是分别设置的,而且在干化装置和焚烧装置之间还必须设置污泥存储和输送装置以及干化热介质的输送管道,并增加相应的动力设备。 However, the prior art, drying and incineration two links are in the process and apparatus are provided, and between the drying apparatus and sludge incinerators must also set the storage and delivery means, and drying the heat medium pipeline, and a corresponding increase in the power plant. 因此现有技术中的干化和焚烧处理过程中存在系统复杂、可靠性低、热损失大、热效率低、设备多、占地大、成本高、输送环节和附属设备多的技术问题。 Thus the system complexity, low reliability and large heat loss, low thermal efficiency, multiple devices, large area, high cost, multi-transport links and ancillary equipment problems in the prior art technique of drying and burning process. 发明内容本发明的目的是提供一种污泥干化焚烧一体化处理方法,所述的这种污泥干化焚烧一体化处理方法要解决现有技术中的污泥处理过程中,干化和焚烧环节在过程和设备上分离、系统复杂、可靠性低、热损失大、热效 SUMMARY OF THE INVENTION An object of the present invention is to provide a method for processing an integrated sludge drying and incineration of the sludge drying and incineration this integrated approach to solving the prior art sludge treatment process, and dry incineration process and separated in the link device, system complexity, low reliability and large heat loss, thermal efficiency

率低、设备多、占地大、成本高、输送环节和附属设备多的技术问题。 Rate, multi-device, an area of ​​large, costly, and more transport links and ancillary equipment technical issues.

本发明的这种污泥干化焚烧一体化处理方法,包括一个利用流化床焚烧装置焚烧处理污泥的步骤,其中,在所述的利用流化床焚烧装置焚烧处理污泥的步骤进行之前,将污泥输送到一个回转式污泥干化装置内,将流化床焚烧装置的稀相区上部空间的中温热烟气引入到所述的回转式污泥干化装置内,利用中温热烟气加热蒸发污泥中的水分,将获得的半干化污泥送入流化床焚烧装置内,在所述的利用流化床焚烧装置焚烧处理污泥的步骤中,将来自所述的回转式污泥干化装置中的含有有机废气的低温烟气通过烟气循环风机输送到流化床焚烧装置的稀相区上部空间,将燃烧产生的中温热烟气中的一部分输送到所述的回转式污泥干化装置内,将燃烧产生的中温热烟气中的另一部分输送到一个空气预热器内,对流化床焚烧装置的一、二次风进行加热。 Prior to the present invention, this drying sludge incineration integration processing method comprising the step of using a fluidized bed incinerator sludge incineration, wherein, in a fluidized bed incinerator according to the step of processing sludge incineration , the sludge is transported to a sludge drying the rotary device, the flue gas introduced into the fluidized bed was warmed dilute phase space above the incinerator into a rotary sludge drying apparatus, the use of the evaporation of water heated by flue gas warmed sludge, sludge obtained by the semi-dry into a fluidized bed incinerator, a fluid bed incinerator in step utilizing the incineration of sewage sludge, from the conveying a portion of the flue gas in the upper space of the cold flue warmed comprising organic waste sludge rotary drying device in said fluidized bed incinerator is fed to the flue gas by the circulation fan freeboard zone, the combustion in the into the rotary sludge drying apparatus according to another part of the flue gas is warmed in the combustion air supplied to a preheater, to a secondary fluidized bed incinerator is heated.

进一步的,在所述的利用流化床焚烧装置焚烧处理污泥的步骤中,将流化床焚烧装置排出的部分灰渣和床料输送到所述的回转式污泥干化装置中,与回转式污泥干化装置中的污泥中进行掺混。 Further, in a fluidized bed incinerator according to sludge incineration step, be delivered to the rotary sludge drying section apparatus according to the fluidized bed incinerator ash and bed material is discharged, and rotary sludge drying apparatus for sludge blended.

进一步的,在所述的回转式污泥干化装置的前方设置一个仓贮给料装置,在将污泥输送到所述的回转式污泥干化装置内之前,利用仓贮给料装置储存污泥。 Further, disposed in front of the rotary warehousing a sludge drying apparatus of the feed means prior to the sludge conveyed into the rotary sludge drying device, the feeding device using the storage warehousing sludge.

进一步的,在所述的利用流化床焚烧装置焚烧处理污泥的步骤中,通过调节烟气循环风机来调节中温烟气的循环倍率。 Further, in the step of using a fluidized bed incinerator in the incineration of sludge by adjusting the flue gas recirculation rate of the circulating fan to adjust the temperature of the flue gas.

进一步的,将冷空气通入到所述的空气预热器的管道内,利用设置在流化床焚烧装置中的旋风分离器将中温热烟气输出到空气预热器的管道的空隙中,利用该中温热烟气加热空气预热器管道内的冷空气,然后将加热后的空气通入到流化床焚烧装置内。 Further inside the cool air through said air preheater into a duct, using a cyclone separator disposed in a fluidized bed incinerator in the flue gas into the space warmed output duct of the air preheater by cold air in the warm air heated by flue gas duct of the preheater, the heated air is then passed into the fluidized bed incinerator.

本发明还提供了一种实现上述污泥干化焚烧一体化处理方法的装置, The present invention further provides a device for realizing the integrated sludge drying and incineration treatment method,

所述的这种污泥干化焚烧一体化处理装置由仓贮给料装置、回转式污泥干化装置和流化床焚烧装置构成,所述的回转式污泥干化装置由螺旋给料机、回转式筒体和支架构成,所述的螺旋给料机具有一个进料端和一个出料端,所述的回转式筒体设置在所述的支架中,回转式筒体的前端与螺旋给料机的出料端连接,所述的仓贮给料装置与螺旋给料机的进料端连接, 回转式筒体的前端设置有一个烟气出口,所述的烟气出口上连接有烟气管道,烟气管道中设置有一个烟气循环风机,烟气管道的一端与流化床焚烧装置的稀相区上部空间连通,回转式筒体的后端出口中设置有一个烟气入口,回转式筒体的内壁圆周上间隔设置有复数个内翅片,任意一个所述的内翅片的长度方向均平行于回转式筒体的轴向,回转式筒体内沿其轴向设置有一个搅拌轴,所述的搅拌轴 Such a sludge drying and incineration feeding device integrated processing apparatus, the rotary sludge drying apparatus and fluidized bed incinerator is composed of warehousing, the rotary sludge drying apparatus by a screw feeder machine, rotary holder cylinder and constituting said screw feeder having a feed end and a discharge end of said rotary cylinder provided in said holder, and the front end of the rotary cylinder screw feeder connected to the discharge end of said warehousing device for feeding the feed end of the helical feeder is connected, the front end of the rotary cylinder has a flue gas outlet connected to a flue gas outlet of the flue gas duct, an exhaust duct is provided with a flue gas recirculation fan, at one end freeboard dilute phase fluidized bed incinerator flue gas duct in communication, the rear end of the outlet of the rotary cylinder is provided with a flue gas inlet, spaced circumferentially on the inner wall of the rotary cylinder a plurality of inner fins, the longitudinal direction of any one of the inner fins are parallel to the axial of the rotary cylinder, the rotary barrel disposed along the axial direction a stirring shaft, the stirring shaft 上设置有搅拌叶片,搅拌轴与轴承机构和驱动机构连接。 It is provided with stirring blades, stirring shaft connected to the bearing means and the drive mechanism.

进一步的,所述的流化床焚烧装置内设置有一个纵向炉体,所述炉体的内部从下至上分别设置有密相区、稀相区下部空间和稀相区上部空间三个区域,炉体的一侧设置有一个旋风分离器,所述的旋风分离器的入口与流化床焚烧装置的顶部连接,旋风分离器的下出口通向炉体的密相区,旋风分离器的上出口通过排气管道通向流化床焚烧装置的烟气出口,炉体的密相区的底部设置有排渣管,密相区的下侧设置有一个风室,所述的风室上设置有一个布风板,风室的下侧连接有一次风管,密相区的上侧连接有二次风管, 一次风管和二次风管通过空气预热器与一个冷空气入口连接, 来自一次风管的一次风可以从风室中向上通过布风板吹入炉体的密相区。 Further, the fluidized bed incinerator is provided with a longitudinal furnace, said furnace interior from the bottom region is provided with a dense phase, the dilute phase zone and a lower space dilute phase region of the upper space of three regions, respectively, on one side of the cyclone furnace there is provided a fluidized bed incinerator top inlet cyclone, the cyclone is connected to the lower outlet leading to the cyclone furnace dense phase region an outlet through the exhaust duct leading to the fluidized bed incinerator flue gas outlet, the bottom of the dense phase zone of the furnace body is provided with a slag discharge pipe, the lower side has a dense phase plenum, disposed on said plenum air distribution plate has a lower side air chamber is connected to a duct, the upper dense phase zone is connected to the secondary duct, a duct and the secondary duct is connected to a cold air intake through the air preheater, from a primary air duct from the plenum upwardly through dense phase zone of the furnace is blown into the air distribution plate.

进一步的,所述的烟气循环风机设置在回转式污泥干化装置的一侧, 回转式污泥干化装置的烟气出口通过烟气循环管道通向烟气循环风机的进风口,所述的烟气循环风机出风口通过烟气循环管道通向所述炉体内部的稀相区域上部空间。 Further, the flue gas circulation fan disposed at one side of the rotary sludge drying device, a rotary flue gas outlet leading to the sludge drying apparatus inlet flue gas through the flue gas circulation fan circulating pipe, the flue gas recirculation blower said air outlet leading to the dilute phase region inside the furnace through a flue gas recirculation duct upper space.

7 7

进一步的,所述的流化床焚烧装置的一侧设置有辅助给煤装置。 Further, the side of the fluidized bed incinerator is provided with an auxiliary means to coal. 本发明的工作原理是:脱水污泥经过仓贮给料装置进入回转式污泥干化装置,该装置布置在流化床焚烧装置前墙的上方,兼作污泥焚烧炉的给料装置;污泥干化所需的中温热烟气来自流化床焚烧装置的稀相区上部空间,脱水污泥在干化装置中与中温烟气直接接触换热,污泥在移动过程中水分不断蒸发,得到的半干化污泥直接进入流化床焚烧装置;半干化污泥首先在流化床焚烧装置的密相区燃烧,然后进入稀相区下部空间,在二次风的强烈扰动混合下进一步燃尽;从回转式污泥干化装置出来的含有有机废气的低温烟气再通过烟气循环风机回到流化床焚烧装置的稀相区上部空间,在此区域一方面焚烧再循环烟气中的有机废气,解决污泥干化过程释放的有机废气的处理问题,同时与污泥燃烧产生的高温烟气混合,得到中温热烟气;中温热烟气一部分进入污泥 Working principle of the invention is: Warehouse dewatered sludge through a rotary feed means into the sludge drying apparatus is disposed over the front wall of the fluidized bed incinerator, incineration of sludge also serves as feed device; dirty warmed fumes upper space required drying sludge from a dilute phase fluidized bed incinerator, the dewatered sludge drying apparatus in direct contact with the heat transfer medium temperature fumes, sludge during movement continuous evaporation of water the resulting semi-dry sludge directly into the fluidized bed incinerator; semi sludge combustion in the first dense phase fluidized bed incinerator, and then into the lower space freeboard zone, a strong disturbance secondary air mixing further the burnout; exhaust gas containing an organic low-temperature flue gas out of the rotary apparatus sludge drying back freeboard dilute phase fluidized bed incinerator by flue gas recirculation fan in this region recirculation aspect incineration flue gas of organic waste, organic waste solve the problem of the sludge drying process release, high temperature flue gas while mixing the sludge with combustion, obtained in the hot flue gas; portion of the flue gas into the sludge was allowed to warm 化装置干化污泥,另一部分则通过空气预热器加热燃烧所需的一、二次风,回收余热后排出,其中进入干化装置的中温烟气的循环倍率可以通过烟气循环风机来调节,以适应不同含固率、不同热值污泥的干化和焚烧;流化床焚烧装置排出的灰渣和床料部分回送到污泥干化装置中与脱水污泥进行掺混,以解决污泥干化过程中的粘壁问题。 Sludge drying apparatus, and partly a heated, secondary air required for combustion through the air preheater, the exhaust heat recovery, wherein the drying device into the flue gas temperature of the flue gas circulation rate by the circulation fan can be adjusted to accommodate different solid content, different heating values ​​of the sludge drying and incineration; ash and fluidized bed material discharged from the back portion to the incinerator blended with the sludge dewatering sludge drying apparatus, to solve the problem of sticking walls sludge drying process.

本发明与现有技术相对比,其效果是积极和明显的。 The present invention and the prior art contrast, the effect is positive and significant. 本发明利用回转式污泥干化装置为流化床焚烧装置给料,在回转式污泥干化装置内利用流化床焚烧装置的热烟气对污泥进行干化,实现了干化-焚烧一体化,省去了干化和焚烧之间的污泥冷却、储存、输送以及干化热介质的输送等中间环节,系统简化、占地减少,降低了投资成本,热损失减少,省去了中间环节的辅助动力设备,提高了系统的运行可靠性,降低了运行成本;实现了干化过程中产生的有机废气的燃尽,无需设置单独的有机废气处理设备;通过调节中温烟气的循环倍率,可以适应不同含固率、不同热值污泥的干化。 The present invention utilizes rotary sludge drying apparatus is a fluidized bed incinerator feed, a fluidized bed incinerator in a rotary hot flue gases sludge drying means drying sludge, to achieve a drying - burning integrated, eliminating the need for cooling between the sludge drying and incineration, storage, transport and delivery of dry heat medium intermediate links, system simplification, reduced area, lower investment costs and reduce heat loss, eliminating the middle part of the auxiliary power unit, the operation of the system to improve reliability and reduce operating costs; to achieve burnout of organic waste generated during drying, without providing a separate organic waste gas treatment apparatus; by adjusting the temperature of the flue gas circulation ratios, solids can adapt to different rates, different heating values ​​of the sludge drying. 附图说明:图1是本发明中的污泥干化焚烧一体化处理装置的一个实施例的示意图。 BRIEF DESCRIPTION OF DRAWINGS: FIG. 1 is a schematic view of an integrated processing apparatus according to an embodiment of the sludge drying in the present invention is incineration.

具体实施方式 Detailed ways

:如图1所示,本发明的污泥干化焚烧一体化处理方法,包括一个利用流化床焚烧装置6焚烧处理污泥的步骤,其中,在所述的利用流化床焚烧装置6焚烧处理污泥的步骤进行之前,将污泥输送到一个回转式污泥干化装置2内,将流化床焚烧装置6的稀相区上部空间的中温热烟气引入到所述的回转式污泥干化装置2内,利用中温热烟气加热蒸发污泥中的水分, 将获得的半干化污泥送入流化床焚烧装置6内,在所述的利用流化床焚烧装置6焚烧处理污泥的步骤中,将来自所述的回转式污泥干化装置2中的含有有机废气的低温烟气通过烟气循环风机输送到流化床焚烧装置6的稀相区上部空间,将燃烧产生的中温热烟气中的一部分输送到所述的回转式污泥干化装置2内,将燃烧产生的中温热烟气中的另一部分输送到一个空气预热器ll内,对流化床焚烧装置6的一、二次风 : 1, the integrated processing method of the present invention, sludge drying burning, comprising the step of using a fluidized bed incinerator sludge incineration 6, wherein, in a fluidized bed incinerator according burning 6 step is performed before the processing of sludge, the sludge is conveyed into a rotary sludge drying means 2, the fluidized bed was warmed flue gas dilute phase space above the incinerator 6 into the rotary the sludge drying means 2, using the evaporation heat in the hot flue gas in the sludge, sludge obtained semi fed into a fluidized bed incinerator 6, in a fluidized bed incinerator according to step 6 sludge incineration, low temperature flue gas containing organic waste sludge in a rotary drying device 2 from the conveyor means to the fluidized bed incinerator freeboard dilute phase through the flue gas circulation fan 6 the flue gases conveyed warmed in the combustion part to said rotary sludge drying apparatus 2, the other part was allowed to warm fumes generated by combustion of the air delivered to a preheater ll of a fluidized bed incinerator 6, secondary air 行加热。 Line heating.

进一步的,在所述的利用流化床焚烧装置6焚烧处理污泥的步骤中, 将流化床焚烧装置6排出的部分灰渣和床料输送到所述的回转式污泥干化装置2中,与回转式污泥干化装置2中的污泥中进行掺混。 Further, in a fluidized bed incinerator according to the process of step 6 sludge incineration, the transport fluidized bed material and ash discharge portion of the incinerator 6 into a rotary sludge drying apparatus of claim 2 in sludge drying with rotary blending means 2 in the sludge.

进一步的,在所述的回转式污泥干化装置2的前方设置一个仓贮给料装置l,在将污泥输送到所述的回转式污泥干化装置2内之前,利用仓贮给料装置1储存污泥。 Further, disposed in front of the rotary warehousing a sludge drying apparatus of the feeding device 2 L, the sludge prior to delivery to a rotary sludge drying apparatus of claim 2, to use Warehouse feeding the sludge storage apparatus 1.

进一步的,在所述的利用流化床焚烧装置6焚烧处理污泥的步骤中, 通过调节烟气循环风机3来调节中温烟气的循环倍率。 Further, in a fluidized bed incinerator according to the process of step 6 sludge incineration, 3 cycle rate is adjusted by adjusting the flue gas temperature in the flue gas circulation fan.

进一步的,将冷空气通入到所述的空气预热器ll的管道内,利用设置在流化床焚烧装置6中的旋风分离器7将中温热烟气输出到空气预热器11的管道的空隙中,利用该中温热烟气加热空气预热器11管道内的冷空气,然后利用一次风管9和二次风管8将加热后的空气通入到流化床焚烧装置6内。 Further, the cool air into the inside of the air preheater duct ll, using a cyclone 6 provided in the fluidized bed incinerator means 7 to the output of the warm air preheater flue 11 voids in the pipeline, using the cool air duct 11 in the warm flue gas heated air preheater, and then using the primary air duct 9 and the secondary air duct 8 opens into the heated fluidized bed incinerator 6 Inside.

本发明还提供了一种实现上述污泥干化焚烧一体化处理方法的装置, 所述的这种污泥干化焚烧一体化处理装置由仓贮给料装置1、回转式污泥干化装置2和流化床焚烧装置6构成,其中,所述的回转式污泥干化装置2由螺旋给料机、回转式筒体和支架构成,所述的螺旋给料机具有一个进料端和一个出料端,所述的回转式筒体设置在所述的支架中,回转式筒体的前端与螺旋给料机的出料端连接,所述的仓贮给料装置1与螺旋给料机的进料端连接,回转式筒体的前端设置有一个烟气出口,所述的烟气出口上连接有烟气管道,烟气管道中设置有一个烟气循环风机3,烟气管道的一端与流化床焚烧装置6的稀相区上部空间连通,回转式筒体的后端出口中设置有一个烟气入口,回转式筒体的内壁圆周上间隔设置有复数个内翅片,任意一个所述的内翅片的长度方向均平 The present invention further provides a device for realizing the integrated sludge drying and incineration treatment method, according to which sludge drying and incineration by the integration processing apparatus Warehouse feed device 1, the rotary sludge drying apparatus 2 and 6 constituting the fluidized bed incinerator, wherein said rotary sludge drying means 2 to the feeder, a rotary cylinder and a bracket composed of a spiral, the screw feeder having a feed end and a discharge end of said rotary cylinder is provided in the holder, the front end of the screw feeder the discharge end of the rotary cylinder is connected to the feed device 1 and warehousing screw feeder the feed end of the machine is connected to the front end of the rotary cylinder has a flue gas outlet duct connected with the flue gas outlet of the flue gas, the flue gas duct is provided with a flue gas recirculation fan 3, the flue gas duct one end of the fluidized bed incinerator freeboard dilute phase region 6 communicates, the rear end of the outlet of the rotary cylinder is provided with a flue gas inlet, the spacer is provided with a plurality of fins on the inner circumference of the inner wall of the rotary cylinder, any in a longitudinal direction of said fins are flat 于回转式筒体的轴向,回转式筒体内沿其轴向设置有一个搅拌轴,所述的搅拌轴上设置有搅拌叶片, 搅拌轴与轴承机构和驱动机构连接。 To the axial direction of the rotary cylinder, the rotary cylinder body along the axial direction is provided with a stirring shaft, the stirring shaft provided with stirring blades, stirring shaft connected to the bearing means and the drive mechanism.

进一步的,所述的流化床焚烧装置6设置有一个纵向的炉体,所述的回转式污泥干化装置2 —端的出口设置于所述炉体的顶端并通向炉体内部,所述的仓贮给料装置11与所述回转式污泥干化装置2另一端的进口连接,所述炉体的内部从下至上分别设置有密相区602、稀相区下部空间603和稀相区上部空间604三个区域,所述炉体的一侧还设置有一个旋风分离器7,所述的旋风分离器7的入口与流化床焚烧装置6的顶部连接, 旋风分离器的下出口通向炉体的密相区602,旋风分离器7的上出口通过排气管道通向流化床焚烧装置6的烟气出口13,炉体的密相区602的底部设置有排渣管10,密相区602的下侧设置有一个风室601,所述的风室601上设置有一个布风板,风室601的下侧连接有一次风管9,密相区602 的上侧连接有二次风管8, 一次风管9和二次风管8通过空气预热器11 与一个冷 Further, the fluidized bed incinerator means 6 is provided with a longitudinal furnace body, 2 a rotary sludge drying apparatus according to - outlet disposed at the top end of the furnace body and leads to inside the body, the Warehouse to said feed inlet means 2 and the other end 11 of the rotary sludge drying apparatus is connected, is provided inside the body of the dense phase from the bottom region 602, respectively, a lower space 603 and lean dilute phase region three-phase zone region 604 upper space side of the furnace body 7 is further provided with a cyclone separator, the cyclone inlet 7 of the fluidized bed incinerator apparatus 6 is connected to the top, the lower cyclone an outlet leading to the outlet of the dense phase zone of the furnace body 602, the cyclone through the exhaust duct 7 leading to a fluidized bed incinerator flue gas outlet 13. 6, the bottom of the dense phase zone of the furnace tube 602 is provided with a slag 10, the lower dense phase zone 602 is provided with a plenum 601 is provided with an air distribution plate 601 of the plenum, the plenum 601 is connected to a lower side of a duct 9, on the side of the dense phase 602 secondary air duct 8 is connected, a secondary air duct 9 and the pipe 8 through the air preheater 11 with a cold 空气入口12连接,来自一次风管9的一次风可以从风室601中向上通过布风板吹入炉体的密相区602。 An air inlet connector 12, the primary air from the primary air pipe 9 from the plenum 601 up through the air distribution plate 602 is blown into the dense phase zone of the furnace.

进一步的,所述的烟气循环风机3设置在回转式污泥干化装置2的一侧,回转式污泥干化装置2的烟气出口通过烟气循环管道4通向烟气循环风机3的进风口,所述的烟气循环风机3出风口通过烟气循环管道4通向所述炉体内部的稀相区域上部空间604。 Further, the flue gas circulation fan 3 provided at one side of the rotary sludge drying device 2, the rotary sludge dry flue gas outlet 2 by means of flue gas recirculation duct leading to the flue gas circulation blower 3 4 the dilute phase region of the air inlet, the flue gas circulation fan 3 through the flue gas outlet duct 4 opens into the circulating inside the upper furnace space 604.

进一步的,所述的一次风管9和二次风管8与冷空气入口12之间设置有一个空气预热器11,所述的空气预热器11的烟气侧与所述的流化床焚烧装置6的烟气出口13连接。 Further, the primary and the secondary duct 9 is provided with a duct 8 between the air preheater 12 and the cold air inlet 11, the air preheater 11 with the flue gas side stream of said 6 bed incinerator flue gas outlet 13 is connected.

进一步的,所述的流化床焚烧装置6的一侧设置有辅助给煤装置5。 Further, the fluidized bed incinerator side 6 is provided with an auxiliary device 5 coal. 本发明的这种污泥干化焚烧一体化处理方法是这样实现的:将脱水污泥通过回转式污泥干化装置2午化,通过与中温烟气接触换热,蒸发掉水分,得到的半干化污泥进入流化床焚烧装置6燃烧,半干化污泥首先在焚烧炉6的密相区602燃烧,密相区602底部通过一次风管9引入一次风助燃,然后进入稀相区下部空间603,并在二次风管8输入的二次风的强烈扰动混合下进一步燃尽,污泥干化所需的中温热烟气引自流化床焚烧装置6的稀相区上部空间604。 This invention sludge drying treatment integrated incineration is achieved: the dewatered sludge through a rotary sludge drying apparatus of L 2, by contact with a heat exchanger in the flue gas temperature, evaporation of the water, the resulting Semi sludge incinerator 6 into the fluidized bed combustion, the combustion in the first semi sludge incinerator dense phase zone 602 of the bottom 602 by a dense phase zone of primary air introduced into the air duct 9 for combustion, and then enters a dilute phase lower space region 603, and the secondary air tube further disturbance burnout vigorous mixing of the secondary air input 8, the flue gas warmed desired cited sludge drying bed incinerator dilute phase 6 the upper space 604. 从流化床焚烧装置6的稀相区上部604引入的部分中温热烟气通过空气预热器ll将燃烧所需的一、二次风加热,回收余热后排出。 From the fluidized bed incinerator of the upper dilute phase zone 6 the flue gas is warmed portion 604 is introduced through a secondary air preheater ll of combustion air required for heating, is discharged after recovery of waste heat. 进一步的,从流化床焚烧装置6排出的灰渣和床料部分回送到污泥干化装置2中与脱水污泥进行掺混,以解决污泥干化过程中的粘壁问题。 Further, part of the bed material and ash discharged from the fluidized bed incinerator 6 is returned to the sludge drying apparatus 2 blended with dewatered sludge, to solve the problem of sticking walls sludge drying process.

ii ii

Claims (9)

1. 一种污泥干化焚烧一体化处理方法,包括一个利用流化床焚烧装置焚烧处理污泥的步骤,其特征在于:在所述的利用流化床焚烧装置焚烧处理污泥的步骤进行之前,将污泥输送到一个回转式污泥干化装置内,将流化床焚烧装置的稀相区上部空间的中温热烟气引入到所述的回转式污泥干化装置内,利用中温热烟气加热蒸发污泥中的水分,将获得的半干化污泥送入流化床焚烧装置内,在所述的利用流化床焚烧装置焚烧处理污泥的步骤中,将来自所述的回转式污泥干化装置中的含有有机废气的低温烟气通过烟气循环风机输送到流化床焚烧装置的稀相区上部空间,将混合产生的中温热烟气中的一部分输送到所述的回转式污泥干化装置内,将混合产生的中温热烟气中的另一部分输送到一个空气预热器内,对流化床焚烧装置的一次风和二次风进行加热。 An integrated incineration of sludge drying processing method, comprising a step of using a fluidized bed incinerator sludge incineration, characterized by the steps of: burning the sludge in a fluidized bed apparatus for the incineration before the sludge is transported to a sludge drying the rotary means, the fluidized bed was warmed flue gas dilute phase region of the upper space is introduced into the incinerator rotary sludge drying device, the use of heated by flue gas in the hot water evaporates in the sludge, the sludge obtained by semi-dry into a fluidized bed incinerator, sludge incineration step in a fluidized bed incinerator of the apparatus, from the part of the upper space of the cold flue gas containing organic waste rotary sludge drying apparatus is supplied to the fluidized-bed incinerator flue gas recirculation fan through a dilute phase region in the hot flue gases produced in the mixing conveyed into the rotary sludge drying apparatus according to, another part was warmed to deliver the flue gas generated in the mixing into an air preheater for the primary air and secondary air fluidized bed incinerator is heating.
2. 如权利要求1所述的污泥干化焚烧一体化处理方法,其特征在于-在所述的利用流化床焚烧装置焚烧处理污泥的步骤中,将流化床焚烧装置排出的部分灰渣和床料输送到所述的回转式污泥干化装置中,与回转式污泥干化装置中的污泥中进行掺混。 2. sludge drying according to claim 1 integrated incineration treatment method, characterized in that - the incineration step portion of the sludge, the discharging means fluidized bed incinerator in a fluidized bed incinerator according to ash and bed material fed to the rotary drying apparatus of the sludge, the sludge is blended with the rotary drying device in the sludge.
3. 如权利要求1所述的污泥干化焚烧一体化处理方法,其特征在于: 在所述的回转式污泥干化装置的前方设置一个仓贮给料装置,在将污泥输送到所述的回转式污泥干化装置内之前,利用仓贮给料装置储存污泥。 3. The sludge drying according to claim 1 integrated incineration treatment method, comprising: a warehousing disposed in front of the rotary sludge drying apparatus according to the feeding device, the conveyed sludge into the before the rotary sludge drying device, the use of the sludge storage warehousing feed device.
4. 如权利要求1所述的污泥干化焚烧一体化处理方法,其特征在于: 在所述的利用流化床焚烧装置焚烧处理污泥的步骤中,通过调节烟气循环风机来调节中温烟气的循环倍率。 4. drying the sludge as claimed in claim 1, integrated incineration treatment method, wherein: the step of incineration of the sludge in a fluidized bed in the incineration plant, the temperature is adjusted by adjusting the flue gas recirculation blower flue gas circulation rate.
5. 如权利要求1所述的污泥干化焚烧一体化处理方法,其特征在于: 将冷空气通入到所述的空气预热器的管道内,利用设置在流化床焚烧装置中的旋风分离器将中温热烟气输出到空气预热器的管道的空隙中,利用该中温热烟气加热空气预热器管道内的冷空气,然后将加热后的空气通入到流化床焚烧装置内。 5. sludge according to claim 1 Incineration integration processing method, wherein: the cool air into the inside of the air duct preheater, a fluidized bed incinerator using the disposed means in the cyclone the flue gas output was warmed to void the air preheater duct, the cool air using the warm air heated by flue gas duct of the preheater, the heated air is then passed into the fluidized bed incinerator apparatus.
6. —种实现如权利要求1所述的污泥干化焚烧一体化处理方法的装置,由仓贮给料装置、回转式污泥干化装置和流化床焚烧装置构成,其特征在于:所述的回转式污泥干化装置由螺旋给料机、回转式筒体和支架构成,所述的螺旋给料机具有一个进料端和一个出料端,所述的回转式筒体设置在所述的支架中,回转式筒体的前端与螺旋给料机的出料端连接,所述的仓贮给料装置与螺旋给料机的进料端连接,回转式筒体的前端设置有一个烟气出口,所述的烟气出口上连接有烟气管道,烟气管道中设置有一个烟气循环风机,烟气管道的一端与流化床焚烧装置的稀相区上部空间连通,回转式筒体的后端出口中设置有一个烟气入口,回转式筒体的内壁圆周上间隔设置有复数个内翅片,任意一个所述的内翅片的长度方向均平行于回转式筒体的轴向,回转式筒体内沿 6. - of implementations of claim 1, the sludge drying apparatus integrated incineration treatment method, feeding device, a rotary sludge drying apparatus and fluidized bed incinerator is composed of warehousing, wherein: the rotary sludge drying means to the feeder, a rotary cylinder and the holder is constituted by a spiral, the screw feeder having a feed end and a discharge end of said rotary cylinder is provided in the stent, the front end of the spiral rotary cylinder to the discharge end of the feeder connector, the warehousing feeding device to the feed end of the coil connected to the feeder, the front end of the rotary cylinder a flue gas outlet duct connected with the flue gas outlet of the flue gas, the flue gas duct is provided with a flue gas recirculation fan, at one end freeboard dilute phase fluidized bed incinerator flue gas duct communicating means, exit the rear end of the rotary cylinder is provided with a flue gas inlet, the spacer is provided with a plurality of fins on the inner circumference of the inner wall of the rotary cylinder, the longitudinal direction of any one of the inner fins are parallel to the rotary drum axial direction thereof, along a rotary barrel 其轴向设置有一个搅拌轴,所述的搅拌轴上设置有搅拌叶片,搅拌轴与轴承机构和驱动机构连接。 An axial shaft provided with a stirring, said stirring shaft provided with stirring blades, stirring shaft connected to the bearing means and the drive mechanism.
7. 如权利要求6所述的污泥干化焚烧一体化处理装置,其特征在于: 所述的流化床焚烧装置内设置有一个纵向炉体,所述炉体的内部从下至上分别设置有密相区、稀相区下部空间和稀相区上部空间三个区域,炉体的一侧设置有一个旋风分离器,所述的旋风分离器的入口与流化床焚烧装置的顶部连接,旋风分离器的下出口通向炉体的密相区,旋风分离器的上出口通过排气管道通向流化床焚烧装置的烟气出口,炉体的密相区的底部设置有排渣管,密相区的下侧设置有一个风室,所述的风室上设置有一个布风板,风室的下侧连接有一次风管,密相区的上侧连接有二次风管, 一次风管和二次风管通过空气预热器与一个冷空气入口连接。 7. sludge drying incinerator according to claim 6 integrated processing apparatus, wherein: said fluidized bed incineration furnace is provided with a longitudinal, inside the body from the bottom to top are provided there dense phase zone, and a lower space freeboard dilute phase freeboard zone three areas, one side is provided with a cyclone furnace, the fluidized bed incinerator top inlet means connected to said cyclone, the bottom of the flue gas outlet, dense phase zone at the outlet of the furnace leading to the cyclone furnace dense phase zone, an outlet conduit leading to the cyclone through the exhaust means is provided with a fluidized bed incinerator scum , the lower dense phase zone is provided with a plenum, the plenum is provided on the air distribution plate has a lower side air chamber is connected to a duct, the upper dense phase zone is connected to the second duct, primary duct and the secondary duct is connected to a cold air intake through the air preheater.
8. 如权利要求6所述的污泥干化焚烧一体化处理装置,其特征在于:所述的烟气循环风机设置在回转式污泥干化装置的一侧,回转式污泥干化装置的烟气出口通过烟气循环管道通向烟气循环风机的进风口,所述的烟气循环风机的出风口通过烟气循环管道通向所述炉体内部的稀相区域上部空间。 8. sludge drying incinerator according to claim 6 integrated processing apparatus, wherein: said flue gas circulation fan disposed at one side of the rotary sludge drying device, a rotary sludge drying apparatus leads to the flue gas outlet of flue gas circulation fan inlet flue gas circulation duct through said flue gas recirculation fan outlet leading to the dilute phase region inside the furnace through a flue gas recirculation duct upper space.
9. 如权利要求6所述的污泥干化焚烧一体化处理装置,其特征在于: 所述的流化床焚烧装置的一侧设置有辅助给煤装置。 9. The sludge drying incinerator according to claim 6 integrated processing apparatus, wherein: a side of said fluidized bed incinerator is provided with an auxiliary means to coal.
CNB2006101478675A 2006-12-25 2006-12-25 Sludge desiccation burning integral treatment method and device CN100557312C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006101478675A CN100557312C (en) 2006-12-25 2006-12-25 Sludge desiccation burning integral treatment method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006101478675A CN100557312C (en) 2006-12-25 2006-12-25 Sludge desiccation burning integral treatment method and device

Publications (2)

Publication Number Publication Date
CN101210678A CN101210678A (en) 2008-07-02
CN100557312C true CN100557312C (en) 2009-11-04

Family

ID=39610874

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006101478675A CN100557312C (en) 2006-12-25 2006-12-25 Sludge desiccation burning integral treatment method and device

Country Status (1)

Country Link
CN (1) CN100557312C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101708939B (en) * 2008-11-04 2011-12-14 北京博奇电力科技有限公司 Sludge drying incineration processing system utilizing system residual heat
CN102219345A (en) * 2011-04-13 2011-10-19 徐继开 Unharmful self-sustained sludge disposal and incinerating technique
TWI409226B (en) * 2011-12-09 2013-09-21 Ind Tech Res Inst A method for treatment of concentrated wastewater
CN102583921A (en) * 2012-03-19 2012-07-18 江苏明轩环保科技有限公司 Sludge recycling all-in-one machine
CN102607043B (en) * 2012-04-09 2014-08-06 浙江大学 Method and device for synergetic stable incineration of sludge and solid waste and dioxin emission suppression
CN102674656A (en) * 2012-06-03 2012-09-19 黄云生 High-efficiency countercurrent drying purification processing mechanism of slurry pollutants
CN103062776B (en) * 2013-01-04 2015-08-19 无锡亿恩科技股份有限公司 Burn dewatered sludge for heating the circulating fluidized bed incinerator of wet mud
CN103964664A (en) * 2014-05-23 2014-08-06 东南大学 Sludge drying/incineration integrated machine and method thereof
CN104676601B (en) * 2015-01-21 2017-05-03 绿能(杭州)企业管理有限公司 Drum type feeding device for garbage incinerator of circulating fluidized bed and feeding method
CN106287747B (en) * 2016-08-18 2018-10-19 哈尔滨工业大学 Sludge heat drying and burning integral and exhaust gas cleaner

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001221419A (en) * 2000-02-04 2001-08-17 Mitsubishi Heavy Ind Ltd Apparatus for drying and supplying waste
CN1619219A (en) * 2004-11-09 2005-05-25 滕清华 Domestic garbage continuous incinerator
CN1800063A (en) * 2006-01-04 2006-07-12 东南大学 City sludge fluidized bed combustion device and method
CN2809450Y (en) * 2005-07-30 2006-08-23 滕清华 Continuous and controllable pyrogenation integrated refuse incinerator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001221419A (en) * 2000-02-04 2001-08-17 Mitsubishi Heavy Ind Ltd Apparatus for drying and supplying waste
CN1619219A (en) * 2004-11-09 2005-05-25 滕清华 Domestic garbage continuous incinerator
CN2809450Y (en) * 2005-07-30 2006-08-23 滕清华 Continuous and controllable pyrogenation integrated refuse incinerator
CN1800063A (en) * 2006-01-04 2006-07-12 东南大学 City sludge fluidized bed combustion device and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
欧洲污泥干化焚烧处理技术的应用与发展趋势. 黄凌军,杜红,鲁承虎,黄国民.给水排水,第29卷第11期. 2003 *

Also Published As

Publication number Publication date
CN101210678A (en) 2008-07-02

Similar Documents

Publication Publication Date Title
US7597812B2 (en) Methods and systems for converting waste into energy
CN102985513B (en) Device and method for drying and torrefying at least one carbon-containing substance stream in a multiple-hearth furnace
US7943014B2 (en) Apparatus and process for the pyrolysis of agricultural biomass
CN100594228C (en) Integral process for oil shale retorting oil refining and coal-char combustion power generation
US4232614A (en) Process of incineration with predrying of moist feed using hot inert particulates
CN103988021B (en) Gasification system and method thereof, and waste treatment system and using method thereof
JP3602504B2 (en) Heat treatment equipment using superheated steam
US4872954A (en) Apparatus for the treatment of waste
CN103624060B (en) Handle the continuous high temperature oxygen barrier carbonizing plant of application of city life garbage
CN101260307A (en) Brown coal drying quality-increasing device and technique
CN102297431B (en) Method and device for decoupling and burning solid waste with high water content
US9777238B2 (en) Reactor for drying and torrefying a biomass, preferably a lignocellulose biomass
EP1869307A4 (en) Integrated biomass energy system
KR100892649B1 (en) An apparatus and method of drying treatment in sludge
KR100747602B1 (en) Treatability and the system of organic waste
CN102840587A (en) Compound method and system for directly recovering heat inside and outside rotary kiln
CN101307244A (en) Oil-making method of double-bed interactive and circling type for pyrolyzing sludge
TW542885B (en) Method and apparatus for drying and incinerating sewage sludge
JP4445148B2 (en) Sludge treatment method and apparatus
CN201206835Y (en) Sludge treatment system utilizing pulverized coal boiler of power station
EP0328359A2 (en) Process for incinerating wet refuse
CN102219346B (en) System for drying and treating sludge by utilizing afterheat to generate high-temperature circulating air
CN102690035A (en) System and process for drying sludge using pulse combustion internal heating fluid bed
CN204006029U (en) The comprehensive drying and incineration system of a kind of built-in mud
US6173508B1 (en) Sewage organic waste compaction and incineration system integrated optionally with a gas turbine power driver exhaust and/or other separate heat source

Legal Events

Date Code Title Description
C06 Publication
C10 Entry into substantive examination
C14 Grant of patent or utility model
C17 Cessation of patent right