CN211999444U - A rotary drying device for sludge treatment - Google Patents

Abstract

Translated fromChinese

本实用新型涉及污泥治理技术领域，尤其是一种用于污泥处理的回转烘干装置，包括主输送管、用于控制主输送管转动的驱动电机。本实用新型的一种用于污泥处理的回转烘干装置通过采用驱动电机配合主输送管外侧面上的传动环带动主输送管沿着左、右置装配环转动，通过主输送管的倾角带动内部淤泥进行传输；在右置装配环右侧固定有内置蛇形结构左置导热管的左置隔热管，利用下端连通的蒸汽输入管对主输送管进行加热，对管内淤泥进行烘干，排离内部水分，然后通过横置输送管将蒸汽和冷却水排入弧形右置导水管，配合弧形右置散热板下端由驱动电机联动控制的底置散热风扇提升主输送管右端的散热性，加速淤泥处理，省时省力，提升效率。

The utility model relates to the technical field of sludge treatment, in particular to a rotary drying device for sludge treatment, comprising a main conveying pipe and a driving motor for controlling the rotation of the main conveying pipe. A rotary drying device for sludge treatment of the utility model drives the main conveying pipe to rotate along the left and right assembling rings by using the driving motor to cooperate with the transmission ring on the outer side of the main conveying pipe, and the inclination angle of the main conveying pipe is passed through the inclination angle of the main conveying pipe. Drive the internal sludge for transmission; on the right side of the right assembly ring, a left heat insulation pipe with a built-in serpentine structure and a left heat conduction pipe is fixed, and the main conveying pipe is heated by the steam input pipe connected at the lower end, and the sludge in the pipe is dried. , discharge the internal moisture, and then discharge the steam and cooling water into the arc-shaped right aqueduct through the horizontal conveying pipe, and cooperate with the bottom-mounted cooling fan controlled by the drive motor linkage at the lower end of the arc-shaped right cooling plate to lift the right end of the main conveying pipe. Heat dissipation, accelerate sludge treatment, save time and effort, and improve efficiency.

Description

Translated fromChinese

一种用于污泥处理的回转烘干装置A rotary drying device for sludge treatment

技术领域technical field

本实用新型涉及污泥治理技术领域，尤其是一种用于污泥处理的回转烘干装置。The utility model relates to the technical field of sludge treatment, in particular to a rotary drying device for sludge treatment.

背景技术Background technique

污水处理(sewage treatment,wastewater treatment)：为使污水达到排入某一水体或再次使用的水质要求对其进行净化的过程。污水处理被广泛应用于建筑、农业、交通、能源、石化、环保、城市景观、医疗、餐饮等各个领域，也越来越多地走进寻常百姓的日常生活。Sewage treatment (sewage treatment, wastewater treatment): The process of purifying sewage in order to make it meet the water quality requirements for discharge into a water body or reuse. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering and other fields, and is increasingly entering the daily life of ordinary people.

目前市面上的污水治理方式前期大多采用沉淀分离方式来对污水的固液进行分离，而沉淀池大多结构简单，内部的污泥需要定期进行清理，而目前用于清理淤泥的方式主要通过人工清除，从池内将污泥清除，然后再将焊有水分的污泥人工倾倒，再对污泥进行处理，整个工序效率低下，费时费力。At present, most of the sewage treatment methods on the market use the precipitation separation method to separate the solid and liquid of the sewage, while the sedimentation tanks are mostly simple in structure, and the internal sludge needs to be cleaned regularly, and the current method for cleaning the sludge is mainly manual removal , remove the sludge from the pool, and then manually dump the sludge with moisture, and then process the sludge, the whole process is inefficient and time-consuming and labor-intensive.

实用新型内容Utility model content

本实用新型要解决的技术问题是：为了解决上述背景技术中存在的问题，提供一种改进的用于污泥处理的回转烘干装置，解决目前用于清理淤泥的方式主要通过人工清除，从池内将污泥清除，然后再将焊有水分的污泥人工倾倒，再对污泥进行处理，整个工序效率低下，费时费力的问题。The technical problem to be solved by the present utility model is: in order to solve the problems existing in the above-mentioned background technology, an improved rotary drying device for sludge treatment is provided, which solves the problem that the current method for cleaning sludge is mainly manual removal, and The sludge is removed in the pool, and then the sludge with moisture is manually dumped, and then the sludge is processed. The whole process is inefficient and time-consuming and labor-intensive.

本实用新型解决其技术问题所采用的技术方案是：一种用于污泥处理的回转烘干装置，包括主输送管、用于控制主输送管转动的驱动电机、蒸汽输入管和冷却水排离管，所述的主输送管外侧面两端通过内置滚子轴承活动装配有左置装配环和右置装配环，所述的左置装配环右侧面位于主输送管外侧具有向右凸起的一体结构左置隔热管，所述的右置装配环左侧面位于主输送管外侧具有向左凸起的弧形右置散热板，所述的左置隔热管内部设置有蛇形结构左置导热管，所述的弧形右置散热板下端固定连接有内置底置散热风扇的底部安装框，所述的弧形右置散热板上端固定连接有弧形右置导水管，所述的左置导热管和弧形右置导水管上端通过横置输送管连通固定。The technical scheme adopted by the utility model to solve the technical problem is: a rotary drying device for sludge treatment, comprising a main conveying pipe, a driving motor for controlling the rotation of the main conveying pipe, a steam input pipe and a cooling water drain From the pipe, the two ends of the outer side of the main conveying pipe are movably assembled with a left assembly ring and a right assembly ring through built-in roller bearings, and the right side of the left assembly ring is located outside the main conveying pipe. The left side of the right-mounted assembly ring is located on the outside of the main conveying pipe and has an arc-shaped right-mounted heat dissipation plate that protrudes to the left, and the left-mounted thermal insulation pipe is provided with a snake inside. The lower end of the curved right heat dissipation plate is fixedly connected with a bottom mounting frame with a built-in bottom heat dissipation fan, and the upper end of the curved right heat dissipation plate is fixedly connected with the curved right water conduit. The upper ends of the left-placed heat-conducting pipe and the arc-shaped right-placed water-conducting pipe are communicated and fixed through a horizontally placed conveying pipe.

进一步地，为了提升散热性能和传动控制，所述的底置散热风扇下端转轴上轴向固定连接有内置齿轮传动组的底置调速盒，所述的驱动电机通过侧向螺栓固定安装在右置装配环左侧面下端，所述的主输送管外侧面位于右置装配环右侧固定连接有左侧具有环形齿面的传动环，所述的右置装配环内部开设有内置横向传动轴的底部传动孔，所述的横向传动轴通过两端传动齿轮传动连接底置调速盒和驱动电机上端转轴。Further, in order to improve the heat dissipation performance and transmission control, the bottom rotating shaft of the bottom cooling fan is axially fixedly connected with a bottom speed regulating box with a built-in gear transmission group, and the driving motor is fixedly installed on the right side by means of lateral bolts. The outer side of the main conveying pipe is located at the lower end of the left side of the assembly ring, the outer side of the main conveying pipe is located on the right side of the right assembly ring, and a transmission ring with an annular tooth surface on the left side is fixedly connected, and a built-in transverse transmission shaft is opened inside the right assembly ring. The bottom transmission hole, the transverse transmission shaft is connected to the bottom speed regulating box and the upper end rotating shaft of the driving motor through transmission gears at both ends.

进一步地，为了方便固定和进排气，所述的左置导热管通过下置进气管与蒸汽输入管下端进气口固定连通，所述的弧形右置导水管下端出水口与冷却水排离管上端进水口固定连通。Further, in order to facilitate fixation and air intake and exhaust, the left heat conduction pipe is fixedly connected with the air inlet at the lower end of the steam input pipe through the lower air inlet pipe, and the water outlet at the lower end of the arc-shaped right water conduit is connected with the cooling water discharge pipe. It is fixedly connected to the water inlet at the upper end of the pipe.

进一步地，为了配合底部散热导气，所述的弧形右置散热板内底面上开设有与底置散热风扇上端出风口相连通的底部导风孔。Further, in order to cooperate with the bottom heat dissipation and air guide, a bottom air guide hole communicated with the air outlet at the upper end of the bottom heat dissipation fan is formed on the inner bottom surface of the arc-shaped right heat dissipation plate.

进一步地，为了配合传动和调速，所述底置调速盒内部的齿轮传动组包括与底置散热风扇下端转轴轴向固定连接的小型锥形传动齿轮、与横向传动轴左侧轴向固定连接的大型锥形传动齿轮和用于传动大、小型锥形传动齿轮的传动齿轮杆。Further, in order to cooperate with transmission and speed regulation, the gear transmission group inside the bottom-mounted speed regulating box includes a small conical transmission gear that is axially fixedly connected with the lower end rotating shaft of the bottom-mounted cooling fan, and is axially fixed to the left side of the transverse transmission shaft. Connected large conical transmission gears and transmission gear rods for transmitting large and small conical transmission gears.

进一步地，为了提升降低摩擦力，所述左置导热管外侧面与主输送管外侧面之间和左置导热管外侧面与左置隔热管内侧面之间均具有间隙。Further, in order to improve and reduce friction, there are gaps between the outer side of the left heat transfer pipe and the outer side of the main conveying pipe and between the outer side of the left heat pipe and the inner side of the left heat insulation pipe.

本实用新型的有益效果是：The beneficial effects of the present utility model are:

(1)本实用新型的一种用于污泥处理的回转烘干装置通过采用驱动电机配合主输送管外侧面上的传动环带动主输送管沿着左、右置装配环转动，通过主输送管的倾角带动内部淤泥进行传输；(1) A rotary drying device for sludge treatment of the present utility model drives the main conveying pipe to rotate along the left and right mounting rings by using a drive motor to cooperate with the transmission ring on the outer side of the main conveying pipe, and the main conveying pipe rotates through the main conveying pipe. The inclination of the pipe drives the internal sludge for transmission;

(2)在右置装配环右侧固定有内置蛇形结构左置导热管的左置隔热管，利用下端连通的蒸汽输入管对主输送管进行加热，对管内淤泥进行烘干，排离内部水分，然后通过横置输送管将蒸汽和冷却水排入弧形右置导水管，配合弧形右置散热板下端由驱动电机联动控制的底置散热风扇提升主输送管右端的散热性，加速淤泥处理，省时省力，提升效率。(2) On the right side of the right assembly ring, a left heat insulation pipe with a built-in serpentine structure and a left heat conduction pipe is fixed. The steam input pipe connected at the lower end is used to heat the main conveying pipe, and the sludge in the pipe is dried and discharged. The internal moisture, and then the steam and cooling water are discharged into the curved right water conduit through the horizontal conveying pipe, and the bottom cooling fan controlled by the drive motor linkage at the lower end of the arc right cooling plate improves the heat dissipation of the right end of the main conveying pipe. Accelerate sludge treatment, save time and effort, and improve efficiency.

附图说明Description of drawings

下面结合附图和实施例对本实用新型进一步说明。The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

图1是本实用新型的结构示意图。Figure 1 is a schematic structural diagram of the present invention.

图2是本实用新型中驱动电机装配端的局部剖视图。FIG. 2 is a partial cross-sectional view of the assembly end of the drive motor in the present invention.

图中:1.主输送管，2.驱动电机，3.蒸汽输入管，4.冷却水排离管，5.左置装配环，6.右置装配环，7.左置隔热管，8.弧形右置散热板，9.左置导热管，10.底置散热风扇，11.底部安装框，12.弧形右置导水管，13.横置输送管，14.底置调速盒，15.传动环，16.横向传动轴，17.底部导风孔，18.小型锥形传动齿轮，19.大型锥形传动齿轮。In the picture: 1. Main conveying pipe, 2. Drive motor, 3. Steam input pipe, 4. Cooling water discharge pipe, 5. Left assembly ring, 6. Right assembly ring, 7. Left heat insulation pipe, 8. Arc right cooling plate, 9. Left heat pipe, 10. Bottom cooling fan, 11. Bottom mounting frame, 12. Arc right aqueduct, 13. Horizontal conveying pipe, 14. Bottom adjustment Speed box, 15. Transmission ring, 16. Transverse drive shaft, 17. Bottom air guide hole, 18. Small conical transmission gear, 19. Large conical transmission gear.

具体实施方式Detailed ways

现在结合附图对本实用新型作进一步详细的说明。这些附图均为简化的示意图，仅以示意方式说明本实用新型的基本结构，因此其仅显示与本实用新型有关的构成。The present utility model will now be described in further detail in conjunction with the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

图1和图2所示的一种用于污泥处理的回转烘干装置，包括主输送管1、用于控制主输送管1转动的驱动电机2、蒸汽输入管3和冷却水排离管4，主输送管1外侧面两端通过内置滚子轴承活动装配有左置装配环5和右置装配环6，左置装配环5右侧面位于主输送管1外侧具有向右凸起的一体结构左置隔热管7，右置装配环6左侧面位于主输送管1外侧具有向左凸起的弧形右置散热板8，左置隔热管7内部设置有蛇形结构左置导热管9，弧形右置散热板8下端固定连接有内置底置散热风扇10的底部安装框11，弧形右置散热板8上端固定连接有弧形右置导水管12，左置导热管9和弧形右置导水管12上端通过横置输送管13连通固定。A rotary drying device for sludge treatment shown in Figures 1 and 2 includes amain conveying pipe 1, a drivingmotor 2 for controlling the rotation of themain conveying pipe 1, asteam input pipe 3 and a coolingwater discharge pipe 4. The two ends of the outer side of themain conveying pipe 1 are movably assembled with aleft assembly ring 5 and aright assembly ring 6 through built-in roller bearings. Integrated structure leftheat insulation pipe 7, the left side of theright assembly ring 6 is located on the outside of themain conveying pipe 1 and has an arc-shaped right heat dissipation plate 8 that protrudes to the left, and the leftheat insulation pipe 7 is provided with a serpentine structure. Aheat conduction pipe 9 is installed, the lower end of the arc-shaped right heat dissipation plate 8 is fixedly connected with abottom mounting frame 11 with a built-in bottomheat dissipation fan 10, and the upper end of the arc-shaped right heat dissipation plate 8 is fixedly connected with an arc-shaped right-placed water conduit 12, and the left heat conduction The upper end of thepipe 9 and the arc-shaped right-placed water conduit 12 is communicated and fixed through the transverse conveying pipe 13 .

进一步地，为了提升散热性能和传动控制，底置散热风扇10下端转轴上轴向固定连接有内置齿轮传动组的底置调速盒14，驱动电机2通过侧向螺栓固定安装在右置装配环6左侧面下端，主输送管1外侧面位于右置装配环6右侧固定连接有左侧具有环形齿面的传动环15，右置装配环6内部开设有内置横向传动轴16的底部传动孔，横向传动轴16通过两端传动齿轮传动连接底置调速盒14和驱动电机2上端转轴。Further, in order to improve the heat dissipation performance and transmission control, the bottom shaft of thebottom cooling fan 10 is axially fixedly connected with a bottomspeed control box 14 with a built-in gear transmission group, and thedrive motor 2 is fixedly installed on the right assembly ring through lateral bolts. 6. At the lower end of the left side, the outer side of themain conveying pipe 1 is located on the right side of theright assembly ring 6. Atransmission ring 15 with an annular tooth surface on the left side is fixedly connected. Thehorizontal transmission shaft 16 is connected to the bottom-mountedspeed control box 14 and the upper end rotating shaft of the drivingmotor 2 through transmission gears at both ends.

进一步地，为了方便固定和进排气，左置导热管9通过下置进气管与蒸汽输入管3下端进气口固定连通，弧形右置导水管12下端出水口与冷却水排离管4上端进水口固定连通，进一步地，为了配合底部散热导气，弧形右置散热板8内底面上开设有与底置散热风扇10上端出风口相连通的底部导风孔17。Further, in order to facilitate fixing and air intake and exhaust, the leftheat conduction pipe 9 is fixedly connected with the air inlet at the lower end of thesteam input pipe 3 through the lower air inlet pipe, and the lower end water outlet of the arc-shaped right water conduit 12 is connected with the coolingwater discharge pipe 4. The upper water inlet is fixed and connected. Further, in order to cooperate with the bottom heat dissipation and air guide, the bottomair guide hole 17 connected to the upper air outlet of the bottomheat dissipation fan 10 is formed on the inner bottom surface of the arc-shaped right heat dissipation plate 8 .

进一步地，为了配合传动和调速，底置调速盒14内部的齿轮传动组包括与底置散热风扇10下端转轴轴向固定连接的小型锥形传动齿轮18、与横向传动轴16左侧轴向固定连接的大型锥形传动齿轮19和用于传动大、小型锥形传动齿轮的传动齿轮杆，进一步地，为了提升降低摩擦力，左置导热管9外侧面与主输送管1外侧面之间和左置导热管9外侧面与左置隔热管7内侧面之间均具有间隙。Further, in order to cooperate with transmission and speed regulation, the gear transmission group inside the bottom-mountedspeed regulating box 14 includes a smallconical transmission gear 18 axially fixedly connected with the lower end rotating shaft of the bottom-mountedcooling fan 10, and the left shaft of thetransverse transmission shaft 16. To the fixed connection of the largeconical transmission gear 19 and the transmission gear rod used to drive the large and small conical transmission gears, further, in order to improve and reduce friction, the outer surface of the leftheat transfer pipe 9 and the outer surface of the main conveyingpipe 1 are connected. There is a gap between the outer side of theheat transfer pipe 9 and the inner side of the leftheat insulation pipe 7 .

本实用新型的有益效果是：The beneficial effects of the present utility model are:

(1)本实用新型的一种用于污泥处理的回转烘干装置通过采用驱动电机2配合主输送管1外侧面上的传动环15带动主输送管1沿着左、右置装配环转动，通过主输送管1的倾角带动内部淤泥进行传输；(1) A rotary drying device for sludge treatment of the present invention drives the main conveyingpipe 1 to rotate along the left and right mounting rings by using the drivingmotor 2 to cooperate with thetransmission ring 15 on the outer side of the main conveyingpipe 1 , through the inclination of the main conveyingpipe 1 to drive the internal sludge for transmission;

(2)在右置装配环6右侧固定有内置蛇形结构左置导热管9的左置隔热管7，利用下端连通的蒸汽输入管3对主输送管1进行加热，对管内淤泥进行烘干，排离内部水分，然后通过横置输送管13将蒸汽和冷却水排入弧形右置导水管12，配合弧形右置散热板8下端由驱动电机2联动控制的底置散热风扇10提升主输送管1右端的散热性，加速淤泥处理，省时省力，提升效率。(2) On the right side of theright assembly ring 6, a leftheat insulation pipe 7 with a built-in serpentine structure and a leftheat conduction pipe 9 is fixed, and the main conveyingpipe 1 is heated by thesteam input pipe 3 connected at the lower end, and the sludge in the pipe is heated. Dry, drain off the internal moisture, and then discharge the steam and cooling water into the arc-shaped right-mounted aqueduct 12 through the horizontal conveying pipe 13, and cooperate with the bottom-mounted cooling fan controlled by thedrive motor 2 at the lower end of the arc-shaped right-mounted cooling plate 8. 10. Improve the heat dissipation of the right end of the main conveyingpipe 1, speed up the sludge treatment, save time and effort, and improve the efficiency.

以上述依据本实用新型的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项实用新型技术思想的范围内，进行多样的变更以及修改。本项实用新型的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。Taking the above ideal embodiment according to the present invention as inspiration, through the above description, relevant staff can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present utility model is not limited to the content in the description, and its technical scope must be determined according to the scope of the claims.

Claims (6)

Translated fromChinese

1.一种用于污泥处理的回转烘干装置，包括主输送管(1)、用于控制主输送管(1)转动的驱动电机(2)、蒸汽输入管(3)和冷却水排离管(4)，其特征是：所述的主输送管(1)外侧面两端通过内置滚子轴承活动装配有左置装配环(5)和右置装配环(6)，所述的左置装配环(5)右侧面位于主输送管(1)外侧具有向右凸起的一体结构左置隔热管(7)，所述的右置装配环(6)左侧面位于主输送管(1)外侧具有向左凸起的弧形右置散热板(8)，所述的左置隔热管(7)内部设置有蛇形结构左置导热管(9)，所述的弧形右置散热板(8)下端固定连接有内置底置散热风扇(10)的底部安装框(11)，所述的弧形右置散热板(8)上端固定连接有弧形右置导水管(12)，所述的左置导热管(9)和弧形右置导水管(12)上端通过横置输送管(13)连通固定。1. A rotary drying device for sludge treatment, comprising a main conveying pipe (1), a drive motor (2) for controlling the rotation of the main conveying pipe (1), a steam input pipe (3) and a cooling water drain The separation pipe (4) is characterized in that: the two ends of the outer surface of the main conveying pipe (1) are movably assembled with a left assembly ring (5) and a right assembly ring (6) through built-in roller bearings. The right side of the left assembly ring (5) is located on the outside of the main conveying pipe (1) and has an integral structure that protrudes to the right. The left heat insulation pipe (7) is located on the left side of the right assembly ring (6). The outer side of the conveying pipe (1) is provided with an arc-shaped right heat dissipation plate (8) that protrudes to the left, and the left heat insulation pipe (7) is provided with a serpentine structure left heat conduction pipe (9). A bottom mounting frame (11) with a built-in bottom cooling fan (10) is fixedly connected to the lower end of the arc-shaped right heat dissipation plate (8), and the upper end of the arc-shaped right heat dissipation plate (8) is fixedly connected to an arc-shaped right guide A water pipe (12), the upper end of the left-mounted heat-conducting pipe (9) and the arc-shaped right-mounted water conduit (12) are communicated and fixed through a horizontally laid conveying pipe (13).2.根据权利要求1所述的一种用于污泥处理的回转烘干装置，其特征是：所述的底置散热风扇(10)下端转轴上轴向固定连接有内置齿轮传动组的底置调速盒(14)，所述的驱动电机(2)通过侧向螺栓固定安装在右置装配环(6)左侧面下端，所述的主输送管(1)外侧面位于右置装配环(6)右侧固定连接有左侧具有环形齿面的传动环(15)，所述的右置装配环(6)内部开设有内置横向传动轴(16)的底部传动孔，所述的横向传动轴(16)通过两端传动齿轮传动连接底置调速盒(14)和驱动电机(2)上端转轴。2. A rotary drying device for sludge treatment according to claim 1, characterized in that: the bottom of the lower end rotating shaft of the bottom cooling fan (10) is axially fixedly connected with the bottom of the built-in gear transmission group The speed control box (14) is installed, the drive motor (2) is fixedly installed on the lower end of the left side of the right-side assembly ring (6) by lateral bolts, and the outer side of the main conveying pipe (1) is located at the right-side assembly ring (6). The right side of the ring (6) is fixedly connected with a drive ring (15) with an annular tooth surface on the left side, and the right assembly ring (6) is provided with a bottom drive hole with a built-in transverse drive shaft (16). The transverse transmission shaft (16) is connected to the bottom-mounted speed control box (14) and the upper end rotating shaft of the driving motor (2) through transmission gears at both ends.3.根据权利要求1所述的一种用于污泥处理的回转烘干装置，其特征是：所述的左置导热管(9)通过下置进气管与蒸汽输入管(3)下端进气口固定连通，所述的弧形右置导水管(12)下端出水口与冷却水排离管(4)上端进水口固定连通。3. A rotary drying device for sludge treatment according to claim 1, characterized in that: the left heat conduction pipe (9) enters the lower end of the lower air inlet pipe and the steam input pipe (3). The air port is fixedly connected, and the water outlet at the lower end of the arc-shaped right-placed water conduit (12) is fixedly connected with the water inlet at the upper end of the cooling water discharge pipe (4).4.根据权利要求1所述的一种用于污泥处理的回转烘干装置，其特征是：所述的弧形右置散热板(8)内底面上开设有与底置散热风扇(10)上端出风口相连通的底部导风孔(17)。4. A rotary drying device for sludge treatment according to claim 1, characterized in that: a bottom cooling fan (10) is provided on the inner bottom surface of the arc-shaped right cooling plate (8). ) The bottom air guide hole (17) connected with the air outlet at the upper end.5.根据权利要求2所述的一种用于污泥处理的回转烘干装置，其特征是：所述底置调速盒(14)内部的齿轮传动组包括与底置散热风扇(10)下端转轴轴向固定连接的小型锥形传动齿轮(18)、与横向传动轴(16)左侧轴向固定连接的大型锥形传动齿轮(19)和用于传动大、小型锥形传动齿轮的传动齿轮杆。5. A rotary drying device for sludge treatment according to claim 2, characterized in that: the gear transmission group inside the bottom-mounted speed control box (14) comprises a bottom-mounted cooling fan (10) A small conical transmission gear (18) axially fixedly connected to the lower end rotating shaft, a large conical transmission gear (19) axially fixedly connected to the left side of the transverse transmission shaft (16), and a large and small conical transmission gear for transmission. Transmission gear lever.6.根据权利要求1所述的一种用于污泥处理的回转烘干装置，其特征是：所述左置导热管(9)外侧面与主输送管(1)外侧面之间和左置导热管(9)外侧面与左置隔热管(7)内侧面之间均具有间隙。6. A rotary drying device for sludge treatment according to claim 1, characterized in that: between the outer side of the left heat conduction pipe (9) and the outer side of the main conveying pipe (1) and the left side There is a gap between the outer side surface of the heat conduction pipe (9) and the inner side surface of the left heat insulation pipe (7).

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