Multi-stage sludge recovery treatment device

Abstract

The utility model discloses a sludge multistage recovery treatment device which comprises a bottom plate and a treatment box which is fixedly arranged at the top of the bottom plate and is obliquely arranged, a rotating pipe is rotatably embedded on the inner wall of the bottom of the treatment box, and the top of the rotating pipe is fixedly connected with a filter cartridge which is rotatably connected with the inner wall of the top of the treatment box. A sludge supply assembly communicated with the interior of the filter cartridge is fixedly mounted at the bottom of the treatment box, and the sludge supply assembly is rotationally sleeved with the rotating pipe in a sealed manner. By arranging a series of structures, liquid in sludge can be rapidly and centrifugally thrown out, solid slag and sludge are integrally and automatically discharged in real time, the filtered solid slag and sludge do not need to be independently moved out by personnel, time and labor are saved, use is convenient, the working efficiency is improved, the solid-liquid separation effect is improved by utilizing a rotary centrifugal water throwing mode, and the labor intensity of workers is reduced. And the discharged pug solid slag can be subjected to integrated drying treatment through surrounding hot air blowing, the phenomenon that the moved-out pug solid slag is likely to be smelly due to the fact that the pug solid slag is wet is reduced, and the treatment effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sludge treatment technical field, concretely is a kind of sludge multistage recycling treatment device. BACKGROUND

[0002] Environmental governance refers to the various actions taken by humans to solve real or potential environmental problems, coordinate the relationship between humans and the environment, and ensure the sustainable development of the economy and society. Its methods and means include engineering technology, administrative management, law, economy, publicity and education, etc. It includes administrative, legal, economic, scientific and technological measures, rational use of natural resources, prevention of environmental pollution and destruction, maintenance and development of ecological balance, expansion of reproduction of useful natural resources and guarantee of human social development.

[0003] In daily production, whether it is sewage discharged by life or rainwater and other wastewater, a large amount of sludge and solid residues are mixed in the flowing process. These sludge and solid residues may block the sewage system, and the sludge and solid residues in the wastewater need to be removed. The existing treatment method usually uses filter plates or filter screens for filtering treatment, but the following problems need to be faced during use:

[0004] 1. The filter plates or filter screens are used for static interception and filtering treatment, and the solid-liquid separation efficiency is low, so it is difficult to quickly separate the sludge and liquid. 2. As the filtering work proceeds, the sludge and solid residues gradually increase and are statically accumulated on one side of the filter plate, which may cause filtering failure. The sludge and solid residues cannot be automatically and timely discharged and dried during filtering treatment, and personnel need to separately remove the filtered sludge and solid residues for recycling. The removed sludge and solid residues are relatively wet, which may cause odor and other phenomena. In view of the above problems, the present application provides a sludge multistage recycling treatment device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a sludge multistage recycling treatment device to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sludge multistage recycling treatment device, comprising a bottom plate and a treatment box fixedly installed on the top of the bottom plate and inclinedly arranged, a rotating pipe is rotatably embedded on the inner wall of the bottom of the treatment box, a filter cartridge is fixedly connected to the top of the treatment box and rotatably connected to the inner wall of the top of the treatment box, a sludge feeding assembly is fixedly installed at the bottom of the treatment box and connected to the inside of the filter cartridge, and the rotating pipe is sealingly rotatably sleeved on the sludge feeding assembly. The sludge feeding assembly is used to feed the sludge to be treated and recycled into the filter cartridge.

[0007] The top of the processing box is embedded with a circular pipe in contact with the top of the filter cartridge, the right side of the circular pipe is communicated and fixed with an L-shaped residue discharge pipe arranged obliquely, the top of the circular pipe is fixedly connected with a rotating residue discharge and upward conveying assembly for driving the filter cartridge to rotate and conveying the solid residue in the filter cartridge upward; the rotating residue discharge and upward conveying assembly is used for driving the filter cartridge to rotate to centrifugally throw out the liquid in the sludge quickly, and for integrally and automatically conveying the solid residue collected in the filter cartridge upward, and the L-shaped residue discharge pipe is used for discharging the solid residue;

[0008] The outer side of the L-shaped residue discharge pipe is fixedly sleeved with a drying treatment assembly for surrounding blowing hot air to the discharged solid residue, and the lower side of the drying treatment assembly is provided with a residue and filtrate discharge assembly mounted on the outer side of the processing box; the drying treatment assembly is used for surrounding drying treatment of the solid residue discharged by the L-shaped residue discharge pipe, and the residue and filtrate discharge assembly is used for filtering the residual liquid in the solid residue after drying treatment and discharging the solid residue.

[0009] Preferably, the sludge feeding assembly comprises a sludge pump fixedly mounted on the bottom of the processing box, and the discharge port of the sludge pump is communicated and fixed with an L-shaped pipe with a blocked top end, the top end of the L-shaped pipe extends into the filter cartridge, the four sides and the top of the L-shaped pipe are provided with discharge holes in the filter cartridge, and a rotating sleeve is sleeved on the L-shaped pipe.

[0010] Preferably, the rotating residue discharge and upward conveying assembly comprises a fixed box fixedly connected to the top end of the circular pipe, a rotating shaft rotatably embedded in the bottom of the fixed box and rotatably connected to the top end of the L-shaped pipe, a spiral conveying blade movably sleeved in the filter cartridge fixedly mounted on the outer side of the rotating shaft, a double-shaft driving motor fixedly mounted on the left side of the top of the processing box, output shafts of the double-shaft driving motor extending into the fixed box and fixedly connected to the top end of the rotating shaft, synchronous wheels fixedly connected to the top end of the output shafts of the double-shaft driving motor and the top end of the rotating shaft, a synchronous belt movably connected to the two synchronous wheels, and a gear fixedly connected to the bottom end of the output shaft of the double-shaft driving motor and extending into the processing box and meshing with an outer gear ring fixedly sleeved on the outer side of the filter cartridge.

[0011] Preferably, the drying treatment assembly comprises an annular pipe fixedly sleeved on the outer side and bottom of the L-shaped residue discharge pipe, a plurality of air blowing holes are annularly arranged in the inner side of the annular pipe, a hot air blower is fixedly mounted on the right side of the annular pipe, and the air outlet of the hot air blower extends into the annular pipe.

[0012] Preferably, the residue and filtrate discharge assembly comprises a U-shaped guide plate fixedly connected to the right side of the processing box and arranged obliquely, the bottom end of the annular pipe is located in the U-shaped guide plate, a filter plate is embedded and fixed on the inner wall of the bottom of the U-shaped guide plate, a lower liquid tank is fixedly connected to the bottom of the U-shaped guide plate and matched with the bottom of the filter plate, an L-shaped drainage pipe is communicated and fixed to the bottom end of the lower liquid tank, and the top end of the L-shaped drainage pipe is communicated and fixed to the right side of the bottom of the processing box.

[0013] Preferably, four supporting legs are fixedly connected between the top of the bottom plate and the bottom of the treatment box in a rectangular shape.

[0014] Preferably, a supporting sleeve is fixedly connected to the inner wall of the top of the treatment box, a first bearing is fixedly sleeved in the supporting sleeve, and the inner ring of the first bearing is fixedly sleeved with the outer top of the filter cartridge.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] 1. The treatment box, filter cartridge, rotating pipe, circular pipe, L-shaped residue discharging pipe, sludge feeding assembly and rotating residue discharging assembly are cooperated to centrifugally throw out the liquid in the sludge and integrally and automatically discharge the residue sludge, so that the filtered residue sludge is not manually removed, time and labor are saved, use is convenient, work efficiency is improved, the solid-liquid separation effect is improved by the rotating centrifugal water throwing mode, and the residue sludge is integrally and automatically dried by surrounding hot air blowing, so that the phenomenon of easy odor due to high humidity of the removed residue sludge is reduced, and the treatment effect is improved.

[0017] 2. The residue sludge is integrally and automatically dried by surrounding hot air blowing, so that the phenomenon of easy odor due to high humidity of the removed residue sludge is reduced, and the treatment effect is improved.

[0018] 3. The residue sludge is integrally and automatically dried by surrounding hot air blowing, so that the phenomenon of easy odor due to high humidity of the removed residue sludge is reduced, and the treatment effect is improved.

[0019] The present application has the following beneficial effects: the liquid in the sludge is centrifugally thrown out and integrally and automatically discharged, the filtered residue sludge is not manually removed, time and labor are saved, use is convenient, work efficiency is improved, the solid-liquid separation effect is improved by the rotating centrifugal water throwing mode, the residue sludge is integrally and automatically dried by surrounding hot air blowing, the phenomenon of easy odor due to high humidity of the removed residue sludge is reduced, and the treatment effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The present application has the following beneficial effects: the liquid in the sludge is centrifugally thrown out and integrally and automatically discharged, the filtered residue sludge is not manually removed, time and labor are saved, use is convenient, work efficiency is improved, the solid-liquid separation effect is improved by the rotating centrifugal water throwing mode, the residue sludge is integrally and automatically dried by surrounding hot air blowing, the phenomenon of easy odor due to high humidity of the removed residue sludge is reduced, and the treatment effect is improved.

[0021] Figure 2 The present application has the following beneficial effects: the liquid in the sludge is centrifugally thrown out and integrally and automatically discharged, the filtered residue sludge is not manually removed, time and labor are saved, use is convenient, work efficiency is improved, the solid-liquid separation effect is improved by the rotating centrifugal water throwing mode, the residue sludge is integrally and automatically dried by surrounding hot air blowing, the phenomenon of easy odor due to high humidity of the removed residue sludge is reduced, and the treatment effect is improved. Figure 1

[0022] Figure 3 The present application has the following beneficial effects: the liquid in the sludge is centrifugally thrown out and integrally and automatically discharged, the filtered residue sludge is not manually removed, time and labor are saved, use is convenient, work efficiency is improved, the solid-liquid separation effect is improved by the rotating centrifugal water throwing mode, the residue sludge is integrally and automatically dried by surrounding hot air blowing, the phenomenon of easy odor due to high humidity of the removed residue sludge is reduced, and the treatment effect is improved.

[0023] ​In the diagram: 1. Processing box; 2. Rotary pipe; 201. L-shaped pipe; 202. Discharge hole; 203. Sludge pump; 3. Filter cartridge; 4. Round pipe; 401. Rotating shaft; 402. Fixing box; 403. Synchronous belt; 404. Spiral conveyor blade; 405. Dual-shaft drive motor; 406. Gear; 407. External gear ring; 408. L-shaped slag discharge pipe; 5. Annular pipe; 501. Hot air blower; 502. Air blowing hole; 6. U-shaped guide plate; 601. Filter plate; 602. Lower liquid hopper; 603. L-shaped drain pipe. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figures 1 to 3 As shown in the figure, the sludge multi-stage recycling and treatment device proposed in this embodiment includes a base plate and a treatment box 1 fixedly installed on its top and inclined. Four legs are fixedly connected in a rectangle between the top of the base plate and the bottom of the treatment box 1. A rotating tube 2 is rotatably embedded in the inner wall of the bottom of the treatment box 1. A circular perforation is opened on the inner wall of the bottom of the treatment box 1, and two first sealing bearings are fixedly sleeved in the circular perforation. The inner ring of the first sealing bearing is fixedly sleeved with the outer side of the rotating tube 2, which has the effect of sealing and rotating the rotating tube 2. A filter cylinder 3 is fixedly connected to the top of the rotating tube 2 and rotatably connected to the inner wall of the top of the treatment box 1. A support sleeve is fixedly connected to the inner wall of the top of the treatment box 1, and a first bearing is fixedly sleeved in the support sleeve. The inner ring of the first bearing is fixedly sleeved with the top of the outer side of the filter cylinder 3, which has the effect of rotating and rotating the top of the filter cylinder 3. A sludge feeding assembly connected to the inside of the filter cylinder 3 is fixedly installed at the bottom of the treatment box 1. The rotating tube 2 is sealed and rotatably sleeved on the sludge feeding assembly. The sludge feeding assembly is used to transport the sludge to be recycled to the filter cylinder 3.

[0026] The top of the treatment box 1 is fitted with a circular tube 4 that is in contact with and communicates with the top of the filter cartridge 3. The right side of the circular tube 4 is connected to an inclined L-shaped slag discharge pipe 408. The top of the circular tube 4 is fixedly connected to a rotary solid slag conveying assembly for driving the filter cartridge 3 to rotate and conveying the solid slag inside it. The rotary solid slag conveying assembly is used to drive the filter cartridge 3 to rotate and quickly centrifuge and throw out the liquid in the sludge, and is used to automatically convey the solid slag collected in the filter cartridge 3 after filtration upwards. The L-shaped slag discharge pipe 408 is used for the above-mentioned solid slag discharge.

[0027] The outer side of the L-shaped residue discharging pipe 408 is fixedly sleeved with a drying treatment assembly for surrounding blowing of the discharged residue hot air, and the lower part of the drying treatment assembly is provided with a residue filtrate discharging assembly installed outside the treatment box 1; the drying treatment assembly is used for surrounding drying treatment of the residue mud discharged by the L-shaped residue discharging pipe 408, and the residue filtrate discharging assembly is used for filtering the liquid again when the liquid is left in the residue mud after the drying treatment, and discharging the residue mud.

[0028] Specifically, the sludge feeding assembly comprises a sludge pump 203 fixedly installed at the bottom of the treatment box 1, and the discharge port of the sludge pump 203 is communicated and fixedly sleeved with an L-shaped pipe 201 with a blocking structure at the top end, the top end of the L-shaped pipe 201 extends into the filter cartridge 3, and the four side top parts of the L-shaped pipe 201 are all provided with discharge holes 202 located in the filter cartridge 3, and the rotating pipe 2 is sealingly and rotatably sleeved on the L-shaped pipe 201, wherein three second sealing bearings are fixedly sleeved in the rotating pipe 2, the inner ring of the second sealing bearing is fixedly sleeved with the outer side of the L-shaped pipe 201, and the effect of sealingly and rotatably installing the rotating pipe 2 on the inner side is achieved; the sludge pump 203, the L-shaped pipe 201 and the discharge holes 202 are cooperated to connect the suction port of the sludge pump 203 with an external hose, and put one end of the hose into the sludge to be treated, and use the sludge pump 203 to pump the sludge into the L-shaped pipe 201, and the sludge is discharged into the filter cartridge 3 through the four discharge holes 202 to perform solid-liquid separation and filtration work.

[0029] Further, the rotating drive solid residue upward conveying assembly comprises a fixed box 402 fixedly connected to the top end of the circular pipe 4, the bottom of the fixed box 402 is rotatably embedded with a rotating shaft 401 rotatably connected to the top end of the L-shaped pipe 201, wherein the bottom of the fixed box 402 is provided with a circular hole, the circular hole and the top end of the L-shaped pipe 201 are both fixedly installed with a second bearing, the inner ring of the second bearing is fixedly sleeved with the outer side of the rotating shaft 401, thereby achieving the effect of rotatably installing the rotating shaft 401, the outer side of the rotating shaft 401 is fixedly installed with a spiral conveying blade 404 movably sleeved in the filter cartridge 3, the top left side of the treatment box 1 is fixedly installed with a double-shaft driving motor 405, the output shaft at the top of the double-shaft driving motor 405 extends into the fixed box 402, the output shaft at the top of the double-shaft driving motor 405 and the top end of the rotating shaft 401 are both fixedly connected with a synchronous wheel, the same synchronous belt 403 is rotatably connected to the two synchronous wheels, the output shaft at the bottom of the double-shaft driving motor 405 extends into the treatment box 1 and is fixedly connected with a gear 406, the right side of the gear 406 is engaged with an external gear ring 407 movably sleeved outside the filter cartridge 3; the fixed box 402, the rotating shaft 401, the spiral conveying blade 404, the double-shaft driving motor 405, the synchronous wheel, the synchronous belt 403, the gear 406 and the external gear ring 407 are matched, the double-shaft driving motor 405 is used for synchronously driving the synchronous wheel and the gear 406 on the left side to rotate, the synchronous wheel on the left side drives the synchronous wheel on the right side to rotate through the synchronous belt 403, the synchronous wheel on the right side drives the spiral conveying blade 404 to rotate through the rotating shaft 401, the gear 406 drives the external gear ring 407 engaged therewith to rotate in the opposite direction when the gear 406 rotates, the external gear ring 407 drives the filter cartridge 3 to rotate in the opposite direction of the spiral conveying blade 404, the filter cartridge 3 is used for realizing rapid rotation of the liquid in the sludge, the effect of rapid rotation and filtration is realized, and the efficiency of solid-liquid separation is improved; the spiral conveying blade 404 rotating in the opposite direction of the filter cartridge 3 integrally and in real time conveys the solid residue sludge filtered in the filter cartridge 3 upward, the solid residue sludge conveyed upward enters the circular pipe 4 and is then discharged through the L-shaped residue discharging pipe 408, thereby realizing the effects of rapidly centrifuging the liquid in the sludge and integrally and in real time automatically discharging the solid residue sludge.

[0030] Further, the drying treatment assembly comprises an annular pipe 5 movably sleeved outside the bottom of the L-shaped residue discharging pipe 408, the annular pipe 5 is further fixed on the treatment box 1, a plurality of air blowing holes 502 are annularly formed in the inner side of the annular pipe 5, a hot air blower 501 is fixedly installed on the right side of the annular pipe 5, and the air outlet of the hot air blower 501 extends into the annular pipe 5; the annular pipe 5, the air blowing hole 502 and the hot air blower 501 are matched, the hot air blower 501 is used for supplying hot air into the annular pipe 5, and the hot air is blown out through the plurality of air blowing holes 502 to surround and dry the solid residue sludge discharged from the L-shaped residue discharging pipe 408.

[0031] Further, the slag filtrate drainage assembly comprises a U-shaped guide plate 6 fixedly connected to the right side of the treatment box 1 and arranged obliquely, the bottom end of the annular pipe 5 is located in the U-shaped guide plate 6, and a filter plate 601 is embedded and fixed on the inner wall of the bottom of the U-shaped guide plate 6. The inner wall of the bottom of the U-shaped guide plate 6 is provided with an embedded hole fixedly connected with the outer side of the filter plate 601, the bottom of the U-shaped guide plate 6 is fixedly connected with a lower liquid hopper 602 matched with the bottom of the filter plate 601, the bottom end of the lower liquid hopper 602 is communicated and fixedly connected with an L-shaped drainage pipe 603, and the top end of the L-shaped drainage pipe 603 is communicated and fixedly connected with the bottom right side of the treatment box 1. The U-shaped guide plate 6, the filter plate 601, the lower liquid hopper 602 and the L-shaped drainage pipe 603 are arranged in cooperation, the filtered liquid in the treatment box 1 is drained through the L-shaped drainage pipe 603, the dry treated solid slag mud material falls into the U-shaped guide plate 6, and then is guided and drained to the right through the oblique U-shaped guide plate 6. A collection box is placed on the right side of the U-shaped guide plate 6 to collect the treated solid slag mud material. When the solid slag mud material contains residual liquid, the residual liquid is filtered downward through the filter plate 601 and is guided and drained downward to the L-shaped drainage pipe 603 to be drained.

[0032] The use method of the embodiment is as follows: when the sludge multi-stage recycling treatment device is used, the suction port of the sludge pump 203 is connected with an external hose, one end of the hose is placed in the sludge to be treated, the sludge pump 203, the double-shaft driving motor 405 and the hot air blower 501 are turned on, the sludge pump 203 is used to pump the sludge into the L-shaped pipe 201, the sludge is introduced into the filter cartridge 3 through the four discharge holes 202 to perform solid-liquid separation and filtration.

[0033] When the double-shaft driving motor 405 is started, the left synchronous wheel and the gear 406 are synchronously driven to rotate, the left synchronous wheel drives the right synchronous wheel to rotate through the synchronous belt 403, the right synchronous wheel drives the spiral conveying blade 404 to rotate through the rotating shaft 401, the gear 406 drives the outer gear ring 407 engaged therewith to rotate in the opposite direction, the outer gear ring 407 drives the filter cartridge 3 to rotate in the opposite direction of the spiral conveying blade 404, the rotation of the filter cartridge 3 realizes rapid rotation of the liquid in the sludge, achieves the effect of rapid rotation and filtration, improves the solid-liquid separation efficiency, and the spiral conveying blade 404 rotating in the opposite direction of the filter cartridge 3 integrally and instantaneously conveys the solid slag mud material filtered in the filter cartridge 3 upward, the upward conveyed solid slag mud material enters the circular pipe 4 and is then discharged through the L-shaped slag discharge pipe 408, which realizes the effect of rapidly centrifuging the liquid in the sludge and integrally and instantaneously automatically discharging the solid slag mud material, and the personnel do not need to separately remove the filtered solid slag mud material, which saves time and effort, is convenient to use, improves the work efficiency, and uses the rotation and centrifugal water throwing mode to improve the solid-liquid separation effect.

[0034] The hot air machine 501 supplies hot air into the annular pipe 5, the hot air is blown out through the multiple blowing holes 502, the solid residue mud material discharged from the L-shaped residue discharging pipe 408 is surrounded and dried, the liquid filtered in the processing box 1 is discharged through the L-shaped water discharging pipe 603, the solid residue mud material surrounded and dried falls into the U-shaped guide plate 6, and then is guided and discharged to the right through the inclined U-shaped guide plate 6, a collecting box is placed at the right side of the U-shaped guide plate 6 for collecting, the solid residue mud material after processing can be recycled, when the solid residue mud material has residual liquid, the residual liquid is filtered downward through the filter plate 601 and is guided and discharged downward to the L-shaped water discharging pipe 603 to be discharged, the discharged solid residue mud material is integrally dried through surrounding hot air blowing, the phenomenon that the removed solid residue mud material is easy to smell due to being wet is reduced, and the processing effect is improved.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A sludge multi-stage recycling treatment device comprising a base plate and a treatment tank (1) fixedly installed on the top of the base plate and arranged in an inclined manner, characterized in that: The bottom inner wall of the processing box (1) is rotatably embedded with a rotating pipe (2), the top of the rotating pipe (2) is fixedly connected with a filter cartridge (3) rotatably connected with the top inner wall of the processing box (1), the bottom of the processing box (1) is fixedly installed with a sludge feeding assembly in communication with the inside of the filter cartridge (3), and the rotating pipe (2) is sealingly rotatably sleeved on the sludge feeding assembly; The top of the processing box (1) is embedded and fixed with a circular pipe (4) in movable contact communication with the top of the filter cartridge (3), the right side of the circular pipe (4) is in communication and fixed with an L-shaped slag discharge pipe (408) arranged obliquely, and the top of the circular pipe (4) is fixedly connected with a rotary drive slag feeding and conveying assembly for driving the filter cartridge (3) to rotate and feeding and conveying the slag in the filter cartridge (3) upward. The outer side of the L-shaped slag discharge pipe (408) is fixedly sleeved with a drying treatment assembly for surrounding blowing of the discharged slag hot air, and the drying treatment assembly is provided below the guide slag and filtrate discharge assembly installed on the outer side of the processing box (1).

2. The multi-stage sludge recovery treatment device according to claim 1, characterized in that: The sludge feeding assembly comprises a sludge pump (203) fixedly installed at the bottom of the processing box (1), a top end of the L-shaped pipe (201) in a plugging structure is in communication and fixed with a discharge port of the sludge pump (203), the top end of the L-shaped pipe (201) extends into the filter cartridge (3), discharge holes (202) in the filter cartridge (3) are formed in the four side top portions of the L-shaped pipe (201), and the rotating pipe (2) is sealingly rotatably sleeved on the L-shaped pipe (201).

3. The multi-stage sludge recovery treatment device according to claim 2, characterized in that: The rotary drive slag feeding and conveying assembly comprises a fixed box (402) fixedly connected at the top end of the circular pipe (4), a rotating shaft (401) rotatably embedded with the top end of the L-shaped pipe (201) is rotatably embedded in the bottom of the fixed box (402), helical conveying leaves (404) movably sleeved in the filter cartridge (3) are fixedly installed on the outer side of the rotating shaft (401), a double-shaft driving motor (405) is fixedly installed at the top left side of the processing box (1), the top end of an output shaft of the double-shaft driving motor (405) extends into the fixed box (402), the top end of the output shaft of the double-shaft driving motor (405) and the top end of the rotating shaft (401) are fixedly connected with synchronous wheels, the same synchronous belt (403) is movably connected on the two synchronous wheels, the bottom end of the output shaft of the double-shaft driving motor (405) extends into the processing box (1) and is fixedly connected with a gear (406), and the right side of the gear (406) is engaged with an outer gear ring (407) fixedly sleeved on the outer side of the filter cartridge (3).

4. The multi-stage sludge recovery treatment device according to claim 3, characterized in that: The drying treatment assembly comprises an annular pipe (5) fixedly sleeved on the outer bottom of the L-shaped slag discharge pipe (408), a plurality of air blowing holes (502) are annularly formed in the inner side of the annular pipe (5), a hot air blower (501) is fixedly installed on the right side of the annular pipe (5), and the air outlet of the hot air blower (501) extends into the annular pipe (5).

5. The multi-stage sludge recovery treatment apparatus according to claim 4, characterized by: The slag guide filtrate drainage assembly comprises a U-shaped guide plate (6) fixedly connected to the right side of the treatment box (1) and arranged obliquely, the bottom end of the annular pipe (5) is located in the U-shaped guide plate (6), the filter plate (601) is embedded and fixed on the inner wall of the bottom of the U-shaped guide plate (6), the lower liquid hopper (602) matched with the bottom of the filter plate (601) is fixedly connected to the bottom of the U-shaped guide plate (6), the bottom end of the lower liquid hopper (602) is communicated and fixedly connected with the L-shaped drainage pipe (603), and the top end of the L-shaped drainage pipe (603) is communicated and fixedly connected with the bottom right side of the treatment box (1).

6. The multi-stage sludge recovery treatment device according to claim 1, characterized in that: Four supporting legs are fixedly connected in a rectangular shape between the top of the bottom plate and the bottom of the treatment box (1).

7. The multi-stage sludge recovery treatment device according to claim 1, characterized in that: The top inner wall of the treatment box (1) is fixedly connected with a supporting sleeve, a first bearing is fixedly sleeved in the supporting sleeve, and the inner ring of the first bearing is fixedly sleeved with the outer top of the filter cartridge (3).

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