WO2021083406A2 - 一种河道污泥干燥机 - Google Patents

一种河道污泥干燥机 Download PDF

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Publication number
WO2021083406A2
WO2021083406A2 PCT/CN2020/137502 CN2020137502W WO2021083406A2 WO 2021083406 A2 WO2021083406 A2 WO 2021083406A2 CN 2020137502 W CN2020137502 W CN 2020137502W WO 2021083406 A2 WO2021083406 A2 WO 2021083406A2
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Prior art keywords
wall
cavity
movably connected
channel
drying
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PCT/CN2020/137502
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English (en)
French (fr)
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WO2021083406A3 (zh
Inventor
卢思雨
高锦
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苏州喜全软件科技有限公司
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Priority to DE212020000414.5U priority Critical patent/DE212020000414U1/de
Priority to PCT/CN2020/137502 priority patent/WO2021083406A2/zh
Publication of WO2021083406A2 publication Critical patent/WO2021083406A2/zh
Publication of WO2021083406A3 publication Critical patent/WO2021083406A3/zh

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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
    • C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating

Definitions

  • the utility model relates to the technical field of river sludge treatment, in particular to a river sludge dryer.
  • the traditional drying method pursues extremely low water content and the thickness of the sludge during drying is too large, which leads to huge energy consumption, and the shape of the sludge after drying is not conducive to direct incineration, and no direct screening treatment is carried out before drying.
  • the participation of impurities in the drying and incineration process not only increases energy waste, but also increases the risk of blockage and deflagration.
  • the purpose of the present invention is to provide a river sludge dryer to solve the problems raised in the background art.
  • a river sludge dryer comprising a casing, one side of the casing is provided with a power cavity inside, and the inner wall of the power cavity is movably connected with a turntable, The outer side of the turntable is movably connected with a swing rod, the inner wall of the power chamber is provided with a stroke cavity, the bottom end of the swing rod and the inner wall of the stroke chamber are movably connected with a sieving plate, and the inner side of the middle of the sieving plate is opened There are screen holes, the top of the middle end of the screening plate is fixedly connected with a pushing block, one side of the top of the housing is provided with a screening cavity, and one side of the inner wall of the screening cavity is provided with a cleaning plate.
  • One side of the inner bottom wall of the cavity is provided with a screening channel, the other side of the inner bottom wall of the screening cavity is provided with a drying cavity, the inner wall of the drying cavity is movably connected with a transport screw, one end of the transport screw It is fixedly connected to the power output end of the servo motor, a heater is arranged on one side of the inner wall of the drying cavity, a heat collecting plate is arranged on the outside of the heater, and the other side of the inner top wall of the drying cavity is provided with a heater.
  • a dosing channel, one side of the inner bottom wall of the drying cavity is provided with an extrusion channel, the bottom of one side of the shell is provided with a wind cavity, and one side of the inner wall of the wind cavity is provided with a heating net.
  • the other side of the inner wall of the cavity is fixedly connected with a fan, one side of the wind cavity is provided with a drying chamber, the inner wall of the drying chamber is movably connected with a conveying wheel, and the outer side of the conveying wheel is movably connected with a conveying belt.
  • a finished product channel is opened on one side of the inner bottom wall.
  • a drive motor is arranged on the inner side of the bottom of the housing, the output end of the drive motor is fixedly connected with one end of the turntable, and the power chamber provides power for the back and forth movement of the screening plate.
  • a mud cleaning channel is opened on the inner side of the cleaning plate, and the inner wall of the cleaning channel is movably connected with the top end of the screening plate, and the cleaning plate prevents mud from entering the power chamber.
  • the outside of the bottom of the screening plate is movably connected to the inside of the screening cavity
  • the outside of the top of the screening plate is provided with a sliding block
  • the outside of the sliding block is movably connected to the outside of the stroke cavity.
  • the dividing plate is used to screen out the large impurities in the sludge.
  • the servo motor is arranged on the inner side of the bottom of the casing, a maintenance-free bearing is arranged at the movable connection between the output end of the servo motor and the inner side of the casing, and the servo motor provides power for the rotation of the transportation screw.
  • the fan is composed of a base, a motor and fan blades, the motor is arranged inside the base, and the fan makes the hot air flow into a hot air flow.
  • the outer side of the conveyor belt is fixedly connected with an EP material cloth with high temperature resistance and corrosion resistance, and the conveyor belt is used to transport semi-finished sludge.
  • the shape of the extrusion channel is a funnel shape, the bottom of the extrusion channel is fixedly connected with the inner top wall of the drying chamber, the inner wall of the dosing channel is provided with a valve, and the extrusion channel can connect
  • the semi-finished product is extruded into thin slices, which is beneficial to the surface in the drying chamber quickly.
  • the inner wall of the heater is movably connected with the outer side of the transport screw, a heating resistance wire is arranged on the inner side of the heater, and the heater is a heat source that passes through the moisture of the sludge for preliminary drying.
  • the top of the inner wall of the drying chamber is provided with a cake pressing wheel
  • the inner bottom wall of the drying chamber is provided with a scraper
  • the top of the scraper is movably connected to the outside of the conveyor belt, and the scraper The board can scrape off the sludge adhered to the surface of the conveyor belt in time.
  • the utility model uses the drying cavity and the transport screw to effectively dry the sludge, so that the sludge can have a certain shaping ability.
  • the powder is added through the dosing channel to support combustion and reduce the pollution of incineration.
  • the pressing channel squeezes the sludge into thin slices, and realizes rapid forming and drying through the hot air flow in the drying chamber.
  • the thin slices and the combustion-supporting powder are beneficial to the efficient incineration.
  • the utility model enables the screening plate to quickly screen out the impurities in the sludge, which is beneficial to the subsequent drying, extrusion molding and incineration outflow.
  • Figure 1 is a schematic front sectional view of the structure
  • Figure 2 is a partial sectional view of the structure from the side;
  • Fig. 3 is a schematic diagram of a partial enlarged structure of part A in Fig. 1;
  • Fig. 4 is a schematic diagram of a partial enlarged structure of part B in Fig. 1.
  • the present utility model provides the following technical solutions:
  • the present utility model provides the following technical solutions: a river sludge dryer, including a casing 1, and a power cavity 2 is opened inside one side of the casing 1
  • One side of the inner bottom wall of the screening chamber 7 is provided with a screening channel 5, and the other side of the inner bottom wall of the screening chamber 7 is provided with a drying chamber 8, and the inner wall of the drying chamber 8 is movably connected
  • a wind cavity 11 is opened at the bottom, one side of the inner wall of the wind cavity 11 is provided with a
  • the servo motor 10 is arranged on the inner side of the bottom of the housing 1, a maintenance-free bearing is provided at the movable connection between the output end of the servo motor 10 and the inner side of the housing 1, and the servo motor 10 Provide power for the rotation of the transport screw 9.
  • the fan 13 is composed of a base, a motor and fan blades, the motor is arranged inside the base, and the fan 13 makes hot air flow into a hot air flow.
  • the outer side of the conveyor belt 15 is fixedly connected with an EP material cloth with high temperature resistance and corrosion resistance, and the conveyor belt 15 is used to transport semi-finished sludge.
  • the extrusion channel 16 is in the shape of a funnel, the bottom of the extrusion channel 16 is fixedly connected to the inner top wall of the drying chamber 25, and the inner wall of the dosing channel 18 is provided with With a valve, the squeezing channel 16 can squeeze the semi-finished product into a thin sheet, which is beneficial to the surface in the drying chamber 25 quickly.
  • the inner wall of the heater 19 is movably connected to the outer side of the transport screw 9, the inner side of the heater 19 is provided with a heating resistance wire, and the heater 19 is used to pass the moisture of the preliminary drying sludge. Heat source.
  • the top of the inner wall of the drying chamber 25 is provided with a cake pressing wheel
  • the inner bottom wall of the drying chamber 25 is provided with a scraper
  • the top of the scraper is connected to the conveyor belt 15
  • the outside of the conveyor belt is movably connected, and the scraper can scrape off the sludge adhered to the surface of the conveyor belt 15 in time.
  • the specific implementation is as follows: when the sludge passes through the screening chamber 7 and reaches the drying chamber 8, the servo motor 10 is controlled to drive the transport screw 9 to rotate, and the sludge is continuously stirred and transported in the drying chamber 8, and quickly passes through the heater 19.
  • the water in the sludge is evaporated, and the sludge is squeezed into easy-to-dry flakes through the squeezing channel 16.
  • the sludge flakes reach the surface of the conveyor belt 15 in the drying chamber 25, the sludge flakes, the heating net 12 and the fan
  • the hot air flow formed by 13 is in full contact and quickly evaporates water in the hot air flow.
  • the surface of the sludge sheet is finally dried and formed.
  • the formed sludge sheet is continuously transported by the conveyor belt 15 driven by the conveyor wheel 14 and finally arrives.
  • Finished product channel 17, through the dosing channel 18, add combustion-supporting and reducing incineration pollution powders, thereby reducing incineration pollution and increasing incineration efficiency.
  • the internal moisture content of the dried sludge flakes is less than 50%, and the surface is dry and shaped to facilitate transportation and incineration.
  • the inner wall of the power chamber 2 is movably connected with a turntable 3, and the outer side of the turntable 3 is movably connected with a swing rod 21
  • the inner wall of the power chamber 2 is provided with a stroke chamber 22, the bottom end of the swing rod 21 and the inner wall of the stroke chamber 22 are movably connected with a sieve plate 6, and the inner side of the middle of the sieve plate 6 is provided with a sieve hole 24
  • the top of the middle end of the screening plate 6 is fixedly connected with a pushing block 23, one side of the top of the housing 1 is provided with a screening cavity 7 and one side of the inner wall of the screening cavity 7 is provided with a cleaning plate 4.
  • the inner side of the bottom of the housing 1 is provided with a drive motor, the output end of the drive motor is fixedly connected to one end of the turntable 3, and the power chamber 2 provides for the back and forth movement of the screening plate 6 power.
  • a mud cleaning channel is opened on the inner side of the cleaning plate 4, and the inner wall of the mud cleaning channel is movably connected to the top end of the screening plate 6, and the cleaning plate 4 prevents mud from entering the power chamber 2 .
  • the outside of the bottom of the screening plate 6 is movably connected to the inside of the screening cavity 7, and the outside of the top of the screening plate 6 is provided with a sliding block, and the outside of the sliding block is connected to the stroke cavity.
  • the outer side of 22 is movably connected, and the sieve plate 6 is used to sieve out large pieces of impurities in the sludge.
  • the control turntable 3 drives the swing rod 21 to swing, and the swing of the swing rod 21 drives the screening plate 6 to move back and forth on the inner wall of the stroke cavity 22.
  • the sludge enters the screening cavity 7 and reaches the surface of the screening plate 6
  • the impurity that has not passed through the sieve holes 24 is pushed by the layers of the block 23 and finally rolls down into the sieve channel 5.
  • the cleaning plate 4 can prevent pollution.
  • the sludge enters into the power chamber 2 during the movement of the screening plate 6, thereby achieving rapid and efficient screening of impurities in the sludge, which facilitates subsequent drying, extrusion molding, and incineration outflow.

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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)
  • Processing Of Solid Wastes (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

本实用新型公开了一种河道污泥干燥机，涉及河道污泥处理技术领域，包括壳体，所述壳体一侧的内部开设有动力腔，所述动力腔的内壁活动连接有转盘，所述转盘的外侧活动连接有摆杆，所述动力腔的内壁开设有行程腔，所述摆杆的底端和行程腔的内壁活动连接有筛分板，所述筛分板中部的内侧开设有筛孔，所述筛分板中端的顶部固定连接有推动块，所述壳体顶部的一侧开设有筛分腔。本实用新型通过烘干腔和运输螺杆的使用，对污泥进行有效的初步烘干，使污泥可以有一定的塑形能力，通过加药通道加入助燃和减少焚烧污染粉剂，通过挤压通道将污泥挤压成薄片，通过烘干室内的热气流实现快速的成型和烘干，薄片和助燃粉剂利于焚烧的高效进行。

Description

一种河道污泥干燥机 技术领域
本实用新型涉及河道污泥处理技术领域，具体为一种河道污泥干燥机。
背景技术
随着城市化进程加快，城市污水的产生量急剧增加，污水导致城市排水系统内的污泥产量也急剧增加，目前，污泥干化后需做焚烧处理，而最新研究证明，能够维持自燃不需要额外再添加能量的理论燃烧要求含水率低于65％，但实际含水率要小于等于50％时便可适合焚烧处置。
而传统烘干方式追求极低含水量且烘干时污泥厚度过于巨大，进而导致耗费能量巨大，且烘干后污泥的形态也不利于直接焚烧，在烘干前未进行直接筛分处理，其中的杂质参与烘干和焚烧过程不仅增加了能量浪费，也增加了堵塞、爆燃等风险。
实用新型内容
本实用新型的目的在于提供一种河道污泥干燥机，以解决上述背景技术中提出的问题。
为了解决上述技术问题，本实用新型提供如下技术方案：一种河道污泥干燥机，包括壳体，所述壳体一侧的内部开设有动力腔，所述动力腔的内壁活动连接有转盘，所述转盘的外侧活动连接有摆杆，所述动力腔的内壁开设有行程腔，所述摆杆的底端和行程腔的内壁活动连接有筛分板，所述筛分板中部的内侧开设有筛孔，所述筛分板中端的顶部固定连接有推动块，所述壳体顶部的一侧开设有筛分腔，所述筛分腔内壁的一侧设置有清洁板，所述筛分腔内底壁的一侧开设有筛分通道，所述筛分腔内底壁的另一侧开设有烘干腔，所述烘干腔的内壁活动连接有运输螺杆，所述运输螺杆的一端与伺服电机的动力输出端固 定连接，所述烘干腔内壁的一侧设置有加热器，所述加热器的外侧设置有聚热板，所述烘干腔内顶壁的另一侧开设有加药通道，所述烘干腔内底壁的一侧开设有挤压通道，所述壳体一侧的底部开设有风力腔，所述风力腔内壁的一侧设置有加热网，所述风力腔内壁的另一侧固定连接有风扇，所述风力腔的一侧开设有烘干室，所述烘干室的内壁活动连接有传送轮，所述传送轮的外侧活动连接有传送带，所述内底壁的一侧开设有成品通道。
进一步的，所述壳体底部的内侧设置有驱动电机，所述驱动电机的输出端与转盘的一端固定连接，所述动力腔为筛分板的来回运动提供动力。
进一步的，所述清洁板的内侧开设有清泥通道，所述清泥通道的内壁与筛分板的顶端活动连接，所述清洁板防止淤泥进入动力腔中。
进一步的，所述筛分板底部的外侧与筛分腔的内侧活动连接，所述筛分板顶端的外侧设置有滑动块，所述滑动块的外侧与行程腔的外侧活动连接，所述筛分板为筛分出污泥中的大块杂质。
进一步的，所述伺服电机设置于壳体底部的内侧，所述伺服电机的输出端与壳体的内侧活动连接处设置有免维护轴承，所述伺服电机为运输螺杆的转动提供动力。
进一步的，所述风扇由基座、电机和风扇叶片构成，所述电机设置于基座的内侧，所述风扇使热空气形成热空气流。
进一步的，所述传送带的外侧固定连接有耐高温和耐腐蚀特性的EP材料布，所述传送带用于运输半成品污泥。
进一步的，所述挤压通道的形状呈漏斗形，所述挤压通道的底部与烘干室的内顶壁固定连接，所述加药通道的内壁设置有阀门，所述挤压通道可将半成品挤压呈薄片，利于在烘干室内的表面快速。
进一步的，所述加热器的内壁与运输螺杆的外侧活动连接，所述加热器的 内侧设置有发热电阻丝，所述加热器为初步烘干污泥水分通过热源。
进一步的，所述所述烘干室内壁的的顶部设置有压饼轮，所述烘干室的内底壁设置有刮板，所述刮板的顶部与传送带的外侧活动连接，所述刮板可及时的刮去传送带表面粘连的污泥。
有益效果是：
1、本实用新型通过烘干腔和运输螺杆的使用，对污泥进行有效的初步烘干，使污泥可以有一定的塑形能力，通过加药通道加入助燃和减少焚烧污染粉剂，通过挤压通道将污泥挤压成薄片，通过烘干室内的热气流实现快速的成型和烘干，薄片和助燃粉剂利于焚烧的高效进行。
2、本实用新型通过转盘和摆杆的配合，使得筛分板可以快速的将污泥中杂质筛除，利于后续的烘干、挤压成型和焚烧流出的进行。
附图说明
图1是正面剖视结构示意图；
图2是侧面部分剖视结构示意图；
图3是图1中A部分局部放大结构示意图；
图4是图1中B部分局部放大结构示意图。
图中：1、壳体；2、动力腔；3、转盘；4、清洁板；5、筛分通道；6、筛分板；7、筛分腔；8、烘干腔；9、运输螺杆；10、伺服电机；11、风力腔；12、加热网；13、风扇；14、传送轮；15、传送带；16、挤压通道；17、成品通道；18、加药通道；19、加热器；20、聚热板；21、摆杆；22、行程腔；23、推动块；24、筛孔；25、烘干室。
具体实施方式
请参阅图1-2，本实用新型提供以下技术方案：本实用新型提供以下技术 方案：一种河道污泥干燥机，包括壳体1，所述壳体1一侧的内部开设有动力腔2，所述筛分腔7内底壁的一侧开设有筛分通道5，所述筛分腔7内底壁的另一侧开设有烘干腔8，所述烘干腔8的内壁活动连接有运输螺杆9，所述运输螺杆9的一端与伺服电机10的动力输出端固定连接，所述烘干腔8内壁的一侧设置有加热器19，所述加热器19的外侧设置有聚热板20，所述烘干腔8内顶壁的另一侧开设有加药通道18，所述烘干腔8内底壁的一侧开设有挤压通道16，所述壳体1一侧的底部开设有风力腔11，所述风力腔11内壁的一侧设置有加热网12，所述风力腔11内壁的另一侧固定连接有风扇13，所述风力腔11的一侧开设有烘干室25，所述烘干室25的内壁活动连接有传送轮14，所述传送轮14的外侧活动连接有传送带15，所述26内底壁的一侧开设有成品通道17。
在一个优选的实施方式中，所述伺服电机10设置于壳体1底部的内侧，所述伺服电机10的输出端与壳体1的内侧活动连接处设置有免维护轴承，所述伺服电机10为运输螺杆9的转动提供动力。
在一个优选的实施方式中，所述所述风扇13由基座、电机和风扇叶片构成，所述电机设置于基座的内侧，所述风扇13使热空气形成热空气流。
在一个优选的实施方式中，所述传送带15的外侧固定连接有耐高温和耐腐蚀特性的EP材料布，所述传送带15用于运输半成品污泥。
在一个优选的实施方式中，所述挤压通道16的形状呈漏斗形，所述挤压通道16的底部与烘干室25的内顶壁固定连接，所述加药通道18的内壁设置有阀门，所述挤压通道16可将半成品挤压呈薄片，利于在烘干室25内的表面快速。
在一个优选的实施方式中，所述加热器19的内壁与运输螺杆9的外侧活动连接，所述加热器19的内侧设置有发热电阻丝，所述加热器19为初步烘干污泥水分通过热源。
在一个优选的实施方式中，所述所述烘干室25内壁的的顶部设置有压饼轮，所述烘干室25的内底壁设置有刮板，所述刮板的顶部与传送带15的外侧 活动连接，所述刮板可及时的刮去传送带15表面粘连的污泥。
具体实施方式为：当污泥通过筛分腔7到达烘干腔8后，控制伺服电机10带动运输螺杆9转动，污泥在烘干腔8内被不断的搅拌和运输，通过加热器19快速的将污泥中的水分蒸发，通过挤压通道16使得污泥被挤压成易于干燥的薄片，污泥薄片到达烘干室25内的传送带15的表面，污泥薄片与加热网12和风扇13形成的热气流充分接触，并在热气流中快速的蒸发水分，污泥薄片的表面最终被烘干成型，成型的污泥薄片通过传送轮14带动的传送带15被不断的运输，并最终到达成品通道17，通过加药通道18加入助燃和减少焚烧污染粉剂，进而减少焚烧污染、增加焚烧效率，烘干的污泥薄片的内部含水量低于50％，表面干透成型利于运输和焚烧。
如图1和图3-4所示的一种河道污泥干燥机，还包括动力腔2，所述动力腔2的内壁活动连接有转盘3，所述转盘3的外侧活动连接有摆杆21，所述动力腔2的内壁开设有行程腔22，所述摆杆21的底端和行程腔22的内壁活动连接有筛分板6，所述筛分板6中部的内侧开设有筛孔24，所述筛分板6中端的顶部固定连接有推动块23，所述壳体1顶部的一侧开设有筛分腔7，所述筛分腔7内壁的一侧设置有清洁板4。
在一个优选的实施方式中，所述壳体1底部的内侧设置有驱动电机，所述驱动电机的输出端与转盘3的一端固定连接，所述动力腔2为筛分板6的来回运动提供动力。
在一个优选的实施方式中，所述清洁板4的内侧开设有清泥通道，所述清泥通道的内壁与筛分板6的顶端活动连接，所述清洁板4防止淤泥进入动力腔2中。
在一个优选的实施方式中，所述筛分板6底部的外侧与筛分腔7的内侧活动连接，所述筛分板6顶端的外侧设置有滑动块，所述滑动块的外侧与行程腔22的外侧活动连接，所述筛分板6为筛分出污泥中的大块杂质。
具体实施方式为：控制转盘3带动摆杆21摆动，通过摆杆21的摆动带动筛分板6在行程腔22的内壁上来回运动，当污泥进入筛分腔7到达筛分板6的表面时，污泥通过晃动和重力的作用下快速的通过筛孔24，未通过筛孔24的杂质推动块23的层层推动作用下最终滚落到筛分通道5中，清洁板4可以防止污泥在筛分板6的运动过程中进入动力腔2内，进而实现快速高效的筛除污泥中的杂质，利于后续的烘干、挤压成型和焚烧流出的进行。

Claims (10)

  1. 一种河道污泥干燥机，包括壳体(1)，其特征在于：所述壳体(1)一侧的内部开设有动力腔(2)，所述动力腔(2)的内壁活动连接有转盘(3)，所述转盘(3)的外侧活动连接有摆杆(21)，所述动力腔(2)的内壁开设有行程腔(22)，所述摆杆(21)的底端和行程腔(22)的内壁活动连接有筛分板(6)，所述筛分板(6)中部的内侧开设有筛孔(24)，所述筛分板(6)中端的顶部固定连接有推动块(23)，所述壳体(1)顶部的一侧开设有筛分腔(7)，所述筛分腔(7)内壁的一侧设置有清洁板(4)，所述筛分腔(7)内底壁的一侧开设有筛分通道(5)，所述筛分腔(7)内底壁的另一侧开设有烘干腔(8)，所述烘干腔(8)的内壁活动连接有运输螺杆(9)，所述运输螺杆(9)的一端与伺服电机(10)的动力输出端固定连接，所述烘干腔(8)内壁的一侧设置有加热器(19)，所述加热器(19)的外侧设置有聚热板(20)，所述烘干腔(8)内顶壁的另一侧开设有加药通道(18)，所述烘干腔(8)内底壁的一侧开设有挤压通道(16)，所述壳体(1)一侧的底部开设有风力腔(11)，所述风力腔(11)内壁的一侧设置有加热网(12)，所述风力腔(11)内壁的另一侧固定连接有风扇(13)，所述风力腔(11)的一侧开设有烘干室(25)，所述烘干室(25)的内壁活动连接有传送轮(14)，所述传送轮(14)的外侧活动连接有传送带(15)，所述(26)内底壁的一侧开设有成品通道(17)。
  2. 根据权利要求1所述的一种河道污泥干燥机，其特征在于：所述壳体(1)底部的内侧设置有驱动电机，所述驱动电机的输出端与转盘(3)的一端固定连接。
  3. 根据权利要求1所述的一种河道污泥干燥机，其特征在于：所述清洁板(4)的内侧开设有清泥通道，所述清泥通道的内壁与筛分板(6)的顶端活动连接。
  4. 根据权利要求1所述的一种河道污泥干燥机，其特征在于：所述筛分板(6)底部的外侧与筛分腔(7)的内侧活动连接，所述筛分板(6)顶端的外侧设置有滑动块，所述滑动块的外侧与行程腔(22)的外侧活动连接。
  5. 根据权利要求1所述的一种河道污泥干燥机，其特征在于：所述伺服电机(10)设置于壳体(1)底部的内侧，所述伺服电机(10)的输出端与壳体(1)的内侧活动连接处设置有免维护轴承。
  6. 根据权利要求1所述的一种河道污泥干燥机，其特征在于：所述风扇(13)由基座、电机和风扇叶片构成，所述电机设置于基座的内侧。
  7. 根据权利要求1所述的一种河道污泥干燥机，其特征在于：所述传送带(15)的外侧固定连接有耐高温和耐腐蚀特性的EP材料布。
  8. 根据权利要求1所述的一种河道污泥干燥机，其特征在于：所述挤压通道(16)的形状呈漏斗形，所述挤压通道(16)的底部与烘干室(25)的内顶壁固定连接，所述加药通道(18)的内壁设置有阀门。
  9. 根据权利要求1所述的一种河道污泥干燥机，其特征在于：所述加热器(19)的内壁与运输螺杆(9)的外侧活动连接，所述加热器(19)的内侧设置有发热电阻丝。
  10. 根据权利要求1所述的一种河道污泥干燥机，其特征在于：所述烘干室(25)内壁的的顶部设置有压饼轮，所述烘干室(25)的内底壁设置有刮板，所述刮板的顶部与传送带(15)的外侧活动连接。
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