WO2008138215A1 - System for continuously treating sludeg - Google Patents

System for continuously treating sludeg Download PDF

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Publication number
WO2008138215A1
WO2008138215A1 PCT/CN2008/000895 CN2008000895W WO2008138215A1 WO 2008138215 A1 WO2008138215 A1 WO 2008138215A1 CN 2008000895 W CN2008000895 W CN 2008000895W WO 2008138215 A1 WO2008138215 A1 WO 2008138215A1
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Prior art keywords
module
sludge
quenching
treatment system
tempering
Prior art date
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PCT/CN2008/000895
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French (fr)
Chinese (zh)
Inventor
Huansheng Zhong
Lei Li
Jiacong Wu
Guanshang Li
Original Assignee
Guangzhou Pude Environmental Protection Equipment Ltd.
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Application filed by Guangzhou Pude Environmental Protection Equipment Ltd. filed Critical Guangzhou Pude Environmental Protection Equipment Ltd.
Publication of WO2008138215A1 publication Critical patent/WO2008138215A1/en

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses

Definitions

  • the invention belongs to the technical field of sludge treatment equipment, and particularly relates to a treatment system applied to urban sewage sludge, river channel and lake dredging sludge.
  • Prior art prior to the present invention
  • sludge disposal methods mainly include land use, landfill, incineration, biochemical treatment and dumping.
  • the dredged sludge of the lake mainly adopts the method of temporary heaping, which not only requires sufficient space and necessary environmental protection means, but also transportation, so that the treatment cost is high, and it is difficult to find a space suitable for the sludge to be buried around the city. And the location, the resulting secondary pollution of the environment and the large occupation of land and other issues are becoming increasingly acute.
  • sludge incineration equipment has a high investment, high energy consumption, and high operating costs.
  • the cost per ton of sludge incineration is generally more than 400 yuan.
  • a multifunctional continuous sludge treatment system which in turn comprises a sludge storage tank, a quenching and tempering pretreatment module for quenching and tempering sludge components, a mechanical dewatering module, Dry powder carrier quenching module, drying module, separation module and operation control module.
  • the mechanical dewatering module is composed of a high-pressure pump and a plate and frame filter press, and the high-pressure pump delivers the sludge to the plate and frame press.
  • the filter machine realizes dewatering of the sludge under the action of mechanical pressure.
  • the powder carrier quenched by the hybrid module is composed of a stirrer and, after mechanical dewatering of sludge and high water content after drying out of the cyclone low water content sludge is mixed in a mixer, then Mix well by agitator.
  • the separation module is a cyclone separator.
  • the mechanical dewatering module and the dry powder carrier quenching module are connected by a conveyor belt, and the conveyor belt is provided with a belt weigher for sensing the amount of mud cake after mechanical dehydration.
  • the drying module is a drum dryer.
  • the separation module is connected with a bag filter for removing sludge in the exhaust gas.
  • the present invention forms a combination of a sludge storage tank, a quenching and tempering pretreatment module, a mechanical dewatering module, a dry powder carrier quenching module, a drying module, a separation module, and an operation control module.
  • Continuous sludge treatment process, combined process has the advantages of low equipment investment cost, ideal sludge treatment effect, and does not affect the environment; the whole process combination is convenient for mobile processing of dispersed sludge, and the daily processing capacity of the whole system sludge It can reach 50 tons, which is suitable for the treatment of some sludge dispersion occasions, such as river dredging, and is also suitable for supporting sludge generated by 100,000 tons of sewage treatment plants.
  • the invention realizes the mobile treatment method of the dispersed sludge, reduces the pollution caused by the sludge to the environment, and at the same time turns the sludge into a treasure to realize the resource recycling process of the sludge. Moreover, the investment cost of the entire process is small and the operating cost is low.
  • Figure 1 is a schematic view of the overall structure of the present invention.
  • the sludge first enters the sludge storage tank 1, and the sludge from the sludge storage tank enters the sludge conditioning pretreatment module 2, and a certain amount of sludge conditioning agent and water are added to the module.
  • the sludge after quenching and tempering is mechanically removed from the high pressure pump.
  • the amount of sludge dewatered by mechanical is sensed by the belt weigher 3, after the mechanical dewatering, the mud cake is transported by the belt to the sludge dry powder carrier quenching and tempering module, and the dry powder and the sludge dewatered by mechanical dehydration are evenly distributed by the mixer 4 Mixing, thereby adjusting the moisture content of the sludge after mechanical dewatering, and meeting the requirements of sludge treatment.
  • the sludge after quenching and tempering by the dry powder carrier controls the output of the finished product of the sludge under the action of the hopper 5 and the metering cutter 6.
  • the amount of sludge entering the sludge drying module and the amount of sludge entering the drying module are controlled by the amount of dry powder required in the dry powder conditioning module.
  • the material entering the sludge drying module has hot air provided by the burning furnace, and the sludge enters. After drying the module, it passes through the dispersing machine, breaks up and breaks under the action of the dispersing machine, and then enters the drum dryer 7, and the dried sludge from the dryer 7 is separated by the cyclone 8, and the negative pressure of the cyclone separator Controlled by the induced draft fan, the sludge contained in the separated tail gas is treated by the bag dust removal of the bag filter 9 , and the whole process is compact and continuous operation, using three sets. Mobile carriage can be achieved sludge treatment.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)

Abstract

A system for continuously treating sludge is provided, which successively comprises a storage tank (1), a modification pretreatment module (2), a mechanical dehydration module, a modification module using a powder, a drier module, a separation module and an operation control module. The mechanical dehydration module is composed of a high pressure pump and a plate and frame press. The sludge is fed to the plate and frame press by the high pressure pump. Dehydrating the sludge is realized under the mechanical pressure. The modification module using a powder is composed of a mixing vessel and a stirrer (4). The mechanically dehydrated sludge ismixed with the dried sludge from a cyclone separator (8) in the mixing vessel, then the sludge is fully mixed under the stirrer (4). A portion of the sludge modified by the modification module using a powder is fed to the drier module.

Description

连续式污泥处理系统 本发明所属技术领域  Continuous sludge treatment system TECHNICAL FIELD
本发明属于污泥处理设备技术领域， 具体涉及一种应用在城市污水污泥、 河道及湖泊清淤污泥的处理系统。 在本发明之前的现有技术  The invention belongs to the technical field of sludge treatment equipment, and particularly relates to a treatment system applied to urban sewage sludge, river channel and lake dredging sludge. Prior art prior to the present invention
城市污水的处理已经在全国各城市建成并投入运行，这对防止我国的水污 染问题起到了积极作用， 但污水处理过程中形成的污泥又带来了环境污染， 因此在保护环境方面， 对城市污泥的处理又成为一个亟需解决的问题。  The treatment of urban sewage has been completed and put into operation in cities across the country, which has played a positive role in preventing water pollution in China. However, the sludge formed in the sewage treatment process has brought environmental pollution, so in terms of environmental protection, The treatment of municipal sludge has become an urgent problem to be solved.
目前污泥的处置方法主要有土地利用、 填埋、 焚烧、 生化处理和倾倒投海 等。 湖疏浚污泥主要采用临时堆埋的方法， 这不仅需要足够的空间和必要的 环境保护手段， 加上运输， 使处理费用较高， 而且在城市周围已经很难找到 适合堆埋污泥的空间和地点， 由此而产生的环境二次污染和大量占用土地等 问题日趋尖锐。 尽管， 有些地方试图采用焚烧方法， 使污泥减量化， 但污泥 焚烧设备投资额高， 能源消耗量大， 运行费用昂贵， 每吨污泥焚烧处理的成 本一般在 400元以上， 加上污泥在焚烧时会给大气环境带来污染， 根据我国 的现状， 污泥焚烧处理在经济上难以承受， 在技术上还不够成熟。 针对这种 情况， 研制出先进的处理设置迫在眉睫。 发明目的  At present, sludge disposal methods mainly include land use, landfill, incineration, biochemical treatment and dumping. The dredged sludge of the lake mainly adopts the method of temporary heaping, which not only requires sufficient space and necessary environmental protection means, but also transportation, so that the treatment cost is high, and it is difficult to find a space suitable for the sludge to be buried around the city. And the location, the resulting secondary pollution of the environment and the large occupation of land and other issues are becoming increasingly acute. Although some places try to use incineration methods to reduce sludge, sludge incineration equipment has a high investment, high energy consumption, and high operating costs. The cost per ton of sludge incineration is generally more than 400 yuan. When the sludge is incinerated, it will bring pollution to the atmospheric environment. According to the current situation in China, the sludge incineration treatment is economically unbearable and technically not mature enough. In response to this situation, it is extremely urgent to develop advanced processing settings. Purpose of the invention
为了克服现有技术的不足， 本发明的目的是提供一种处理污泥效率高、 运行费用低， 能减小环境污泥的多功能连续式污泥处理系统。 本发明采用的技术方案  In order to overcome the deficiencies of the prior art, it is an object of the present invention to provide a multifunctional continuous sludge treatment system which is highly efficient in treating sludge, low in operating cost, and capable of reducing environmental sludge. Technical solution adopted by the invention
为了实现发明目的， 本发明采用如下技术方案： 一种多功能连续式污泥 处理系统， 该系统依次包括污泥储罐、 用于调质污泥成分的调质预处理模块、 机械脱水模块、 干粉载体调质模块、 干燥模块、 分离模块及操作控制模块。 所述机械脱水模块由高压泵和板框压滤机构成， 高压泵将污泥输送至板框压. 滤机， 在机械压力的作用下实现污泥的脱水。 所述干粉载体调质模块由混合 : 器以及搅拌机组成， 经过机械脱水的含水率较高的污泥与干燥后从旋风分离 器出来的含水率低的污泥在混合器内进行混合， 然后在搅拌器作用下使其混 合均匀。 In order to achieve the object of the invention, the present invention adopts the following technical solutions: A multifunctional continuous sludge treatment system, which in turn comprises a sludge storage tank, a quenching and tempering pretreatment module for quenching and tempering sludge components, a mechanical dewatering module, Dry powder carrier quenching module, drying module, separation module and operation control module. The mechanical dewatering module is composed of a high-pressure pump and a plate and frame filter press, and the high-pressure pump delivers the sludge to the plate and frame press. The filter machine realizes dewatering of the sludge under the action of mechanical pressure. The powder carrier quenched by the hybrid module: is composed of a stirrer and, after mechanical dewatering of sludge and high water content after drying out of the cyclone low water content sludge is mixed in a mixer, then Mix well by agitator.
所述分离模块为旋风分离器。  The separation module is a cyclone separator.
所述机械脱水模块与干粉载体调质模块之间由输送带连接， 输送皮带同 时带有皮带秤， 皮带秤用于感应机械脱水后泥饼的量。  The mechanical dewatering module and the dry powder carrier quenching module are connected by a conveyor belt, and the conveyor belt is provided with a belt weigher for sensing the amount of mud cake after mechanical dehydration.
所述干燥模块为转筒干燥器。  The drying module is a drum dryer.
所述分离模块连接有用于除去尾气中污泥的布袋除尘器。  The separation module is connected with a bag filter for removing sludge in the exhaust gas.
本发明与现有技术相比， 本发明通过污泥储罐、 调质预处理模块、机械脱 水模块、 干粉载体调质模块、 干燥模块、 分离模块以及操作控制模块等工艺 模块的组合形成一种连续的污泥处理工艺， 组合而成的工艺具有设备投资费 用少， 污泥处理效果理想， 不影响环境等优点； 整个工艺组合便于移动式处 理分散的污泥， 整个系统污泥的日处理量达到 50吨， 适合一些污泥分散场合 的处理， 如河道清淤， 亦适合配套处理 10万吨污水处理厂产生的污泥。 本发 明实现了分散污泥的移动式处理办法， 减少了污泥对环境带来的污染， 同时 将污泥变废为宝， 实现污泥的资源化过程。 且整个工艺的投资费用少， 操作 费用低。 附图说明  Compared with the prior art, the present invention forms a combination of a sludge storage tank, a quenching and tempering pretreatment module, a mechanical dewatering module, a dry powder carrier quenching module, a drying module, a separation module, and an operation control module. Continuous sludge treatment process, combined process has the advantages of low equipment investment cost, ideal sludge treatment effect, and does not affect the environment; the whole process combination is convenient for mobile processing of dispersed sludge, and the daily processing capacity of the whole system sludge It can reach 50 tons, which is suitable for the treatment of some sludge dispersion occasions, such as river dredging, and is also suitable for supporting sludge generated by 100,000 tons of sewage treatment plants. The invention realizes the mobile treatment method of the dispersed sludge, reduces the pollution caused by the sludge to the environment, and at the same time turns the sludge into a treasure to realize the resource recycling process of the sludge. Moreover, the investment cost of the entire process is small and the operating cost is low. DRAWINGS
图 1为本发明的总体结构示意图。  Figure 1 is a schematic view of the overall structure of the present invention.
注： 图 1中箭头为整个工艺流程中污泥物流的方向。 实施例  Note: The arrows in Figure 1 indicate the direction of the sludge stream throughout the process. Example
如图 1所示， 污泥先进入污泥储罐 1， 从污泥储罐出来的污泥进入污泥 调质预处理模块 2，在模块 中加入一定量的污泥调质剂以及水用于调节污泥 的成分以及污泥的流动性能， 经过调质预处理后的污泥由高压泵输入机械脱 0089S 水模块， 通过机械脱水的污泥量由皮带秤 3感应， 机械脱水后泥饼由皮带输 送至污泥干粉载体调质模块， 在搅拌机 4 的作用下将干粉与通过机械脱水的 污泥均匀混合， 从而调节机械脱水后污泥的含水率， 达到污泥处理的要求， 通过干粉载体调质以后的污泥在分料斗 5与计量绞刀 6的作用下， 控制污泥 的成品输出量与进入污泥干燥模块干燥的污泥量， 进入干燥模块的污泥量由 干粉调质模块中所需的干粉量来控制， 同时进入污泥干燥模块的物料有燃烧 炉提供的热风， 污泥进入干燥模块以后先经过打散机， 在打散机的作用下进 行打散破碎， 然后进入转筒干燥器 7，干燥器 7出来的干燥污泥经过旋风分离 器 8分离， 旋风分离器的负压由引风机控制， 分离后的尾气中含有的污泥采 用布袋除尘器 9 的布袋除尘处理， 整个工艺紧凑， 连续运行， 采用三个集装 车厢可以实现移动式污泥处理。 As shown in Figure 1, the sludge first enters the sludge storage tank 1, and the sludge from the sludge storage tank enters the sludge conditioning pretreatment module 2, and a certain amount of sludge conditioning agent and water are added to the module. In order to adjust the composition of the sludge and the flow properties of the sludge, the sludge after quenching and tempering is mechanically removed from the high pressure pump. 0089S Water module, the amount of sludge dewatered by mechanical is sensed by the belt weigher 3, after the mechanical dewatering, the mud cake is transported by the belt to the sludge dry powder carrier quenching and tempering module, and the dry powder and the sludge dewatered by mechanical dehydration are evenly distributed by the mixer 4 Mixing, thereby adjusting the moisture content of the sludge after mechanical dewatering, and meeting the requirements of sludge treatment. The sludge after quenching and tempering by the dry powder carrier controls the output of the finished product of the sludge under the action of the hopper 5 and the metering cutter 6. The amount of sludge entering the sludge drying module and the amount of sludge entering the drying module are controlled by the amount of dry powder required in the dry powder conditioning module. At the same time, the material entering the sludge drying module has hot air provided by the burning furnace, and the sludge enters. After drying the module, it passes through the dispersing machine, breaks up and breaks under the action of the dispersing machine, and then enters the drum dryer 7, and the dried sludge from the dryer 7 is separated by the cyclone 8, and the negative pressure of the cyclone separator Controlled by the induced draft fan, the sludge contained in the separated tail gas is treated by the bag dust removal of the bag filter 9 , and the whole process is compact and continuous operation, using three sets. Mobile carriage can be achieved sludge treatment.

Claims

权 利 要 求 Rights request
1.多功能连续式污泥处理系统， 其特征在于： 该系统依次包括污泥储罐、 用于调质污泥成分的调质预处理模块、 机械脱水模块、 干粉载体调质模块、 干燥模块、 分离模块及操作控制模块。 所述机械脱水模块由高压泵和板框压 滤机构成， 高压泵将污泥输送至板框压滤机， 在机械压力的作用下实现污泥 的脱水。 所述干粉载体调质模块由混合器以及搅拌机组成， 经过机械脱水的 含水率较高的污泥与干燥后从旋风分离器出来的含水率低的污泥在混合器内 进行混合， 然后在搅拌器作用下使其混合均匀。 1. Multifunctional continuous sludge treatment system, characterized in that: the system comprises sludge storage tank, quenching and tempering pretreatment module for quenching and tempering sludge components, mechanical dewatering module, dry powder carrier quenching and tempering module, and drying module. , separation module and operation control module. The mechanical dewatering module is composed of a high pressure pump and a plate and frame filter press, and the high pressure pump delivers the sludge to the plate and frame filter press to achieve dewatering of the sludge under the action of mechanical pressure. The dry powder carrier quenching and tempering module is composed of a mixer and a mixer, and the mechanically dehydrated sludge with high water content is mixed with the sludge with low water content which is dried from the cyclone separator in the mixer, and then stirred. Mix it evenly under the action of the device.
2.根据权利要求 1 所述的多功能连续式污泥处理系统， 其特征在于， 所 述分离模块为旋风分离器。  The multifunctional continuous sludge treatment system according to claim 1, wherein the separation module is a cyclone separator.
3.根据权利要求 1 所述的多功能连续式污泥处理系统， 其特征在于， 所 述机械脱水模块与干粉载体调质模块之间由输送带连接， 输送皮带同时带有 皮带秤， 皮带秤用于感应机械脱水后泥饼的量。  The multi-functional continuous sludge treatment system according to claim 1, wherein the mechanical dewatering module and the dry powder carrier quenching module are connected by a conveyor belt, and the conveyor belt is provided with a belt scale and a belt scale. Used to sense the amount of mud cake after mechanical dewatering.
4.根据权利要求 1 所述的多功能连续式污泥处理系统， 其特征在于， 所 述干燥模块为转筒干燥器。  The multifunctional continuous sludge treatment system according to claim 1, wherein the drying module is a drum dryer.
5.根据权利要求 1 所述的多功能连续式污泥处理系统， 其特征在于， 所 述分离模块连接有用于除去尾气中污泥的布袋除尘器。  The multi-functional continuous sludge treatment system according to claim 1, wherein the separation module is connected to a bag filter for removing sludge in the exhaust gas.
PCT/CN2008/000895 2007-05-11 2008-05-04 System for continuously treating sludeg WO2008138215A1 (en)

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* Cited by examiner, † Cited by third party
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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101955310B (en) * 2009-07-20 2012-10-10 浙江绿治污泥处理技术有限公司 Sludge dewatering method and special oven thereof
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CN101993181B (en) * 2010-10-21 2013-04-24 江苏东源纺织科技实业有限公司 Method for dehydration and recycling of continuous dyeing sludge
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645800A (en) * 1979-09-20 1981-04-25 Ryowa Kakoki Kk Dehydrating and drying apparatus
JPS57133295A (en) * 1981-02-09 1982-08-17 Tsukishima Kikai Co Burning of lime sludge
US4989344A (en) * 1986-10-29 1991-02-05 Enviro-Gro Technologies Particulate removal for a sludge treatment process
US5428906A (en) * 1990-10-23 1995-07-04 Pcl Environmental, Inc. Sludge treatment system
JP2001058806A (en) * 1999-08-19 2001-03-06 Kawasaki Heavy Ind Ltd Carbonization treatment of sludge and apparatus therefor
US20060283807A1 (en) * 2003-08-29 2006-12-21 Treatchem Ltd. Process obtaining landfill disposable wasted from hydrocarbon containing sludge
CN1884154A (en) * 2006-06-28 2006-12-27 广州铬德工程有限公司 Sludge carrier drying process

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645800A (en) * 1979-09-20 1981-04-25 Ryowa Kakoki Kk Dehydrating and drying apparatus
JPS57133295A (en) * 1981-02-09 1982-08-17 Tsukishima Kikai Co Burning of lime sludge
US4989344A (en) * 1986-10-29 1991-02-05 Enviro-Gro Technologies Particulate removal for a sludge treatment process
US5428906A (en) * 1990-10-23 1995-07-04 Pcl Environmental, Inc. Sludge treatment system
JP2001058806A (en) * 1999-08-19 2001-03-06 Kawasaki Heavy Ind Ltd Carbonization treatment of sludge and apparatus therefor
US20060283807A1 (en) * 2003-08-29 2006-12-21 Treatchem Ltd. Process obtaining landfill disposable wasted from hydrocarbon containing sludge
CN1884154A (en) * 2006-06-28 2006-12-27 广州铬德工程有限公司 Sludge carrier drying process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108750722A (en) * 2018-07-12 2018-11-06 河南省振源科技有限公司 Building stones produce finished product bin dust pelletizing system
CN108750722B (en) * 2018-07-12 2023-07-07 河南省振源科技有限公司 Dust removal system for stone production finished product bin
CN112321119A (en) * 2020-11-19 2021-02-05 中冶京诚工程技术有限公司 Municipal sludge treatment system and municipal sludge treatment method

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