CN110040921B

CN110040921B - Digging and filling device for sludge pollution restoration

Info

Publication number: CN110040921B
Application number: CN201910366827.7A
Authority: CN
Inventors: 余成鹏
Original assignee: Wencheng Jianchuang Technology Co ltd
Current assignee: Wencheng Jianchuang Technology Co ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2022-06-07
Anticipated expiration: 2039-05-05
Also published as: CN110040921A

Abstract

The invention discloses an excavating and filling device for sludge pollution restoration, which relates to the technical field of sludge treatment and comprises a machine body, a sludge taking assembly and a stirring mechanism, wherein a base is fixed below the machine body, a sludge pumping pipe is arranged above one side of the machine body, the sludge taking assembly is arranged below the sludge pumping pipe, a sludge pumping pump is arranged above one side of the sludge pumping pipe, the stirring mechanism is arranged below one side of the sludge pumping pump, a reagent tank is fixed above the stirring mechanism, a connecting pipe is arranged below the reagent tank, a sludge discharge pump is arranged on one side of the stirring mechanism, a dewatering mechanism is arranged above one side of the sludge discharge pump, and a water pump is arranged below the middle of the dewatering mechanism. The invention has the beneficial effects that: the device is convenient for dig the department of getting mud and carry out the breakage through the setting to getting the mud subassembly, and the paddle passes through the loose axle and constitutes revolution mechanic, makes the paddle become flexible in advance and the fragmentation to the mud of entering mud mouth below through the rotatory paddle of loose axle.

Description

Digging and filling device for sludge pollution restoration

Technical Field

The invention relates to the technical field of sludge treatment, in particular to an excavating and filling device for sludge pollution restoration.

Background

The sludge refers to sediment containing organic matter fine soil precipitated in a water-forbidden or running water environment, and is a solid-liquid mixture containing partial liquid formed by sedimentation and sedimentation of suspended solid particles. The sludge treatment refers to a soil remediation process for polluted sludge, and with the development of industry, the pollution of sludge is more and more serious, which may affect the daily life of people, so that the pollution remediation treatment for sludge is required.

Although the remediation device for organic pollutants in sludge disclosed in chinese patent application publication CN205355924U can improve the degradation efficiency of organic pollutants in sludge by combining an electric remediation technology with a persulfate oxidation technology, the remediation device for sludge pollution does not have a sludge fragmentation structure, the sludge excavation and extraction efficiency is low, further sewage treatment after sludge filtration cannot be performed, and the sludge remediation treatment degree is low.

Disclosure of Invention

The invention aims to provide an excavating and filling device for sludge pollution remediation, and aims to solve the problems that the sludge pollution remediation device provided in the background art does not have a sludge crushing structure, the sludge excavating and extracting efficiency is low, sewage cannot be further treated after sludge is filtered, and the sludge remediation treatment degree is low.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a filling device is got in digging for sludge pollution restoration, includes the organism, gets mud subassembly and rabbling mechanism, the below of organism is fixed with the base, and organism one side top installs the mud pumping pipe, get the mud subassembly and set up in the below of mud pumping pipe, and mud pumping pump is installed to the top one side of mud pumping pipe, the rabbling mechanism sets up in the below one side of mud pumping pump, and the top of rabbling mechanism is fixed with the reagent groove, the connecting pipe is installed to the below of reagent groove, the mud pump is installed to one side of rabbling mechanism, and is provided with dewatering mechanism on one side of the top of mud pump, the water pump is installed to the middle part below of dewatering mechanism, and one side of dewatering mechanism is provided with water treatment mechanism, the inboard of water treatment mechanism is including the header tank, and the upper inner wall of header tank is fixed with the flocculating agent layer, the well top of header tank is provided with the biological filter layer, and the below of biological filter layer is fixed with the aeration pipe, aeration fan is installed to one side of aeration pipe, and the below of aeration pipe is provided with the fibre filtering layer, the below inner wall of header tank is fixed with the active carbon adsorption layer, and the bottom one side of header tank is connected with the drain pipe.

Preferably, get the mud subassembly including position sleeve, mud inlet, filter screen, micro motor, loose axle and paddle, the position sleeve is installed in the below outside of taking out the mud pipe, and the bottom of taking out the mud pipe is provided with mud inlet, mud inlet's inside is fixed with the filter screen, micro motor is installed to the below of position sleeve, and micro motor's below is provided with the loose axle, the below outside of loose axle is fixed with the paddle.

Preferably, the paddles form a rotating structure through a movable shaft, and the paddles are symmetrically arranged with a central axis of the sludge inlet.

Preferably, rabbling mechanism is including teeter chamber, step motor, main rotation axis, assistance rotation axis, puddler, scraper blade and sludge discharge pipe, step motor is installed to the top of teeter chamber, and step motor's lower extreme is provided with main rotation axis, the both sides of main rotation axis are fixed with the assistance rotation axis, and the outside welding of assisting the rotation axis has the puddler, the puddler is close to one side of teeter chamber inner wall and installs the scraper blade, and one side below of teeter chamber is provided with the sludge discharge pipe.

Preferably, the stirring rod forms an integrated structure through the auxiliary rotating shaft and the main rotating shaft, and the scraper on the outer side of the stirring rod is attached to the inner wall of the stirring chamber.

Preferably, the dehydration mechanism is including dehydration box, filter belt, prop tight roller, blown down tank, unloading pipe, dead lever, broach and bolt, the inside of dehydration box is provided with the filter belt, and installs between the filter belt and prop tight roller, one side of filter belt is provided with the blown down tank, and installs the unloading pipe in the below of blown down tank, the inboard of filter belt is provided with the dead lever, and the below of dead lever installs the broach, the both ends of dead lever are fixed with the bolt.

Preferably, the filter belts are parallel to each other, and the symmetry center of the filter belts is coincident with the symmetry center of the tensioning roller.

Preferably, the comb teeth are symmetrically and uniformly distributed below the fixed rods, and the fixed rods form a detachable structure through bolts and the inner wall of the dewatering box.

Preferably, the top plate is rectangular, the top plate forms a movable structure through a movable shaft, and the length of the top plate is equal to that of the window frame.

The invention provides an excavating and filling device for sludge pollution restoration, which has the following beneficial effects:

1. the sludge taking assembly is arranged to conveniently crush the sludge digging position, the blades form a rotating structure through the movable shaft, the blades are convenient to loosen and crush the sludge below the sludge inlet through rotating the blades through the movable shaft, the blades are symmetrically arranged on the central axis of the sludge inlet, the sludge is conveniently crushed through the two groups of blades, and the speed of the sludge pumping pump for pumping the sludge through the sludge inlet and the sludge pumping pipe is improved.

2. According to the sludge pump, the stirring efficiency is improved conveniently by arranging the main rotating shaft and the auxiliary rotating shaft, the stirring rod forms an integrated structure through the auxiliary rotating shaft and the main rotating shaft, the stirring rod is driven to move conveniently by the joint rotation of the auxiliary rotating shaft and the main rotating shaft, the stirring range is increased, the stirring efficiency of the stirring rod on sludge in the sludge pump is improved, the scraper on the outer side of the stirring rod is attached to the inner wall of the stirring chamber, the sludge attached to the inner wall of the stirring chamber is scraped conveniently by the scraper, and the inner wall of the stirring chamber is prevented from scaling.

3. The filter belts are arranged to filter sewage in sludge conveniently, the filter belts are parallel to each other to squeeze and dewater the sludge on the inner side conveniently, the filter belts are high in water permeability to facilitate rapid dewatering of the sludge, the symmetric centers of the filter belts are overlapped with the symmetric centers of the tensioning rollers, and the tensioning rollers rotate to drive the filter belts to move so as to convey the sludge and dewater the sludge.

4. The invention is convenient to divide the sludge by arranging the comb teeth which are symmetrically and uniformly distributed below the fixed rod, so that the sludge layer on the filter belt is conveniently divided by the uniformly distributed comb teeth to be uniformly distributed, thereby increasing the effective filtering area on the filter belt, and the fixed rod is convenient to install and disassemble by the bolt through the detachable structure formed between the bolt and the inner wall of the dewatering box.

5. The sewage treatment device is convenient for treating sewage by arranging the water treatment mechanism, the biological filter layer and the fiber filter layer are symmetrically arranged by the vertical central line of the water collecting tank, so that the biological filter layer and the fiber filter layer are more uniformly filtered, the purification degree of the sewage is improved by the double filtering action of biological filtration and physical filtration, the water collecting tank is communicated with the inside of the dehydration mechanism through the water pump, and the sewage separated from sludge in the dehydration mechanism is conveyed to the water collecting tank through the water pump.

Drawings

FIG. 1 is a schematic view of the internal structure of an excavating and filling device for sludge pollution remediation according to the present invention;

FIG. 2 is a schematic structural view of a sludge fetching assembly of the excavating and filling device for sludge pollution remediation according to the present invention;

FIG. 3 is a schematic structural view of a stirring mechanism of the excavating and filling device for sludge pollution remediation according to the present invention;

FIG. 4 is a schematic view of a top view of a dewatering mechanism of the excavating and filling device for repairing sludge contamination according to the present invention;

FIG. 5 is a schematic side view of the excavating and filling device for sludge contamination remediation according to the present invention.

In the figure: 1. a body; 2. a base; 3. a mud pumping pipe; 4. a mud taking assembly; 401. a positioning sleeve; 402. a sludge inlet; 403. filtering with a screen; 404. a micro motor; 405. a movable shaft; 406. a paddle; 5. a mud pump; 6. a stirring mechanism; 601. a stirring chamber; 602. a stepping motor; 603. a main rotating shaft; 604. an auxiliary rotating shaft; 605. a stirring rod; 606. a squeegee; 607. a sludge discharge pipe; 7. a reagent tank; 8. a connecting pipe; 9. a dewatering mechanism; 901. a dewatering box; 902. a filter belt; 903. a tension roller; 904. a discharge chute; 905. a discharging pipe; 906. fixing the rod; 907. comb teeth; 908. a bolt; 10. a sludge discharge pump; 11. a water pump; 12. a water treatment mechanism; 1201. a water collection tank; 1202. a flocculant layer; 1203. a biological filter layer; 1204. an aeration pipe; 1205. an aeration fan; 1206. a fiber filter layer; 1207. an activated carbon adsorption layer; 1208. and a drain pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: an excavating and filling device for sludge pollution restoration comprises a machine body 1, a base 2, a sludge pumping pipe 3, a sludge pumping component 4, a positioning sleeve 401, a sludge inlet 402, a filter screen 403, a micro motor 404, a movable shaft 405, a blade 406, a sludge pumping pump 5, a stirring mechanism 6, a stirring chamber 601, a stepping motor 602, a main rotating shaft 603, an auxiliary rotating shaft 604, a stirring rod 605, a scraper 606, a sludge discharge pipe 607 and a reagent tank 7, the device comprises a connecting pipe 8, a dewatering mechanism 9, a dewatering box 901, a filter belt 902, a tightening roller 903, a discharge chute 904, a blanking pipe 905, a fixing rod 906, comb teeth 907, bolts 908, a dredge pump 10, a water pump 11, a water treatment mechanism 12, a water collecting tank 1201, a flocculant layer 1202, a biological filter layer 1203, an aeration pipe 1204, an aeration fan 1205, a fiber filter layer 1206, an active carbon adsorption layer 1207 and a drain pipe 1208, wherein a base 2 is fixed below a machine body 1, and a dredge pipe 3 is arranged above one side of the machine body 1; the mud taking component 4 is arranged below the mud pumping pipe 3, a mud pumping pump 5 is arranged on one side above the mud pumping pipe 3, the mud taking component 4 comprises a positioning sleeve 401, a mud inlet 402, a filter screen 403, a micro motor 404, a movable shaft 405 and a blade 406, the positioning sleeve 401 is arranged on the outer side below the mud pumping pipe 3, the mud inlet 402 is arranged at the bottom of the mud pumping pipe 3, the filter screen 403 is fixed inside the mud inlet 402, the micro motor 404 is arranged below the positioning sleeve 401, the movable shaft 405 is arranged below the micro motor 404, and the blade 406 is fixed on the outer side below the movable shaft 405; the blades 406 form a rotating structure through the movable shaft 405, the blades 406 are symmetrically arranged between the blades 406 through the central axis of the sludge inlet 402, the blades 406 form the rotating structure through the movable shaft 405, so that the blades 406 can loosen and crush the sludge below the sludge inlet 402 in advance by rotating the blades 406 through the movable shaft 405, the blades 406 are symmetrically arranged through the central axis of the sludge inlet 402, so that the sludge can be crushed through the two groups of blades 406, and the sludge pumping speed of the sludge pump 5 through the sludge inlet 402 and the sludge pumping pipe 3 is increased; the stirring mechanism 6 is arranged on one side below the mud pump 5, a reagent tank 7 is fixed above the stirring mechanism 6, a connecting pipe 8 is arranged below the reagent tank 7, the stirring mechanism 6 comprises a stirring chamber 601, a stepping motor 602, a main rotating shaft 603, an auxiliary rotating shaft 604, a stirring rod 605, a scraping plate 606 and a mud discharging pipe 607, the stepping motor 602 is arranged above the stirring chamber 601, the main rotating shaft 603 is arranged at the lower end of the stepping motor 602, the auxiliary rotating shaft 604 is fixed on two sides of the main rotating shaft 603, the stirring rod 605 is welded on the outer side of the auxiliary rotating shaft 604, the scraping plate 606 is arranged on one side of the stirring rod 605 close to the inner wall of the stirring chamber 601, and the mud discharging pipe 607 is arranged below one side of the stirring chamber 601; the stirring rod 605 forms an integrated structure through the auxiliary rotating shaft 604 and the main rotating shaft 603, the scraper 606 on the outer side of the stirring rod 605 is attached to the inner wall of the stirring chamber 601, the stirring rod 605 forms an integrated structure through the auxiliary rotating shaft 604 and the main rotating shaft 603, so that the stirring rod 605 is driven to move through the joint rotation of the auxiliary rotating shaft 604 and the main rotating shaft 603, the stirring range is increased, the stirring efficiency of the stirring rod 605 on sludge in the sludge pump 5 is improved, the scraper 606 on the outer side of the stirring rod 605 is attached to the inner wall of the stirring chamber 601, so that sludge attached to the inner wall of the stirring chamber 601 can be scraped through the scraper 606, and the inner wall of the stirring chamber 601 is prevented from scaling; a sludge pump 10 is installed on one side of the stirring mechanism 6, a dewatering mechanism 9 is arranged on one side above the sludge pump 10, the dewatering mechanism 9 comprises a dewatering box 901, filter belts 902, tightening rollers 903, a discharge chute 904, a discharging pipe 905, fixing rods 906, comb teeth 907 and bolts 908, the filter belts 902 are arranged in the dewatering box 901, the tightening rollers 903 are installed between the filter belts 902, the discharge chute 904 is arranged on one side of the filter belts 902, a discharging pipe 905 is installed below the discharge chute 904, the fixing rods 906 are arranged on the inner side of the filter belts 902, the comb teeth 907 are installed below the fixing rods 906, and the bolts 908 are fixed at two ends of the fixing rods 906; the filter belts 902 are parallel to each other, the symmetric center of the filter belts 902 is overlapped with the symmetric center of the tightening roller 903, the filter belts 902 are parallel to each other, so that the sludge on the inner side can be squeezed and dewatered conveniently, the water permeability of the filter belts 902 is high, the sludge can be dewatered quickly conveniently, and the symmetric center of the filter belts 902 is overlapped with the symmetric center of the tightening roller 903, so that the tightening roller 903 rotates to drive the filter belts 902 to move, so that the sludge is conveyed and dewatered; the comb teeth 907 are symmetrically and uniformly distributed below the fixed rod 906, the fixed rod 906 and the inner wall of the dewatering box 901 form a detachable structure through the bolts 908, the comb teeth 907 are symmetrically and uniformly distributed below the fixed rod 906, so that a sludge layer on the filter belt 902 is conveniently divided through the uniformly distributed comb teeth 907 to be uniformly distributed, the effective filtering area on the filter belt 902 is increased, and the fixed rod 906 and the inner wall of the dewatering box 901 form a detachable structure through the bolts 908 to facilitate the bolts 908 to realize the installation and the detachment of the fixed rod 906; a water pump 11 is installed below the middle of the dewatering mechanism 9, a water treatment mechanism 12 is arranged on one side of the dewatering mechanism 9, a water collection tank 1201 is arranged on the inner side of the water treatment mechanism 12, a flocculating agent layer 1202 is fixed on the inner wall of the upper portion of the water collection tank 1201, a biological filter layer 1203 is arranged above the middle of the water collection tank 1201, an aeration pipe 1204 is fixed below the biological filter layer 1203, an aeration fan 1205 is installed on one side of the aeration pipe 1204, a fiber filter layer 1206 is arranged below the aeration pipe 1204, an activated carbon adsorption layer 1207 is fixed on the inner wall of the lower portion of the water collection tank 1201, and a drain pipe 1208 is connected to one side of the bottom of the water collection tank 1201; biological filter 1203 and fibre filter 1206 set up with the vertical central line symmetry of header tank 1201, and header tank 1201 is linked together through water pump 11 and the inside of dewatering mechanism 9, biological filter 1203 and fibre filter 1206 set up with the vertical central line symmetry of header tank 1201, make the filtration of biological filter 1203 and fibre filter 1206 more even, be convenient for through biological filtration and physical filtration's double filtration effect, improve the purification degree of sewage, header tank 1201 is linked together through water pump 11 and dewatering mechanism 9's inside and is convenient for carry the sewage that dewatering mechanism 9 inside mud was deviate from to header tank 1201 in through water pump 11.

To sum up, when the digging and filling device for sludge pollution restoration is used, the machine body 1 can be moved to a position near a position where sludge needs to be dug, the sludge pumping pipe 3 is put down to the sludge position, the micro motor 404 is started, the micro motor 404 drives the movable shaft 405 to rotate, then the movable shaft 405 rotates the paddle 406 to loosen and crush the sludge below the sludge inlet 402, then the sludge pump 5 is started to pump the sludge through the sludge pumping pipe 3, large impurities such as large stones and grass stalks in the sludge are filtered when the sludge passes through the sludge inlet 402, the impurities are prevented from entering the sludge pumping pipe 3, then the sludge pumped out by the sludge pumping pump 5 is discharged into the stirring chamber 601 of the stirring mechanism 6, and meanwhile, the switch valve at the connecting pipe 8 of the reagent tank 7 can be controlled, a pollution treatment reagent in the reagent tank 7 is led into the stirring chamber 601 through the connecting pipe 8, then the stepping motor 602 is started, so that the stepping motor 602 drives the main rotating shaft 603 and the auxiliary rotating shaft 604 to rotate and drives the stirring rod 605 to move, the stirring range is expanded, the pollution treatment reagent and the sludge in the reagent tank 7 are uniformly stirred to disinfect the sludge, the soil restoration of the sludge is realized, meanwhile, the scraper 606 at the outer side of the stirring rod 605 can scrape the sludge attached to the inner wall of the stirring chamber 601 to prevent the inner wall of the stirring chamber 601 from scaling, then the sludge is discharged into the dewatering box 901 of the dewatering mechanism 9 through the sludge discharge pump 10 after the stirring is finished, so that the sludge is positioned between the two parallel filter belts 902, then the tightening roller 903 is driven to rotate, the tightening roller 903 is driven to rotate to drive the filter belts 902 to move to convey the sludge, simultaneously, the two parallel filter belts 902 extrude and dewater the sludge at the inner side, and in the process, the comb teeth 907 uniformly distributed below the fixing rod 906 can divide the sludge layer on the filter belts 902 to be uniformly distributed, thereby increasing the effective water filtering area on the filter belt 902, discharging the sludge after primary dehydration from the discharge chute 904, feeding the sludge into the position needing sludge filling through the discharge pipe 905 for sludge filling after remediation, then the sewage filtered by the dewatering mechanism 9 enters the water collecting tank 1201 of the water treatment mechanism 12 through the water pump 11, firstly, the flocculant layer 1202 on the inner wall of the water collecting tank 1201 is precipitated, then the aeration fan 1205 is started, so that the aeration fan 1205 sends oxygen to the aeration pipe 1204 for aeration, then the sewage is purified and decomposed through the biological filtration of the biological filter layer 1203, then further filtration is carried out through the fiber filter layer 1206, finally, the peculiar smell in the sewage is adsorbed by the activated carbon adsorption layer 1207, the treated water is discharged through the drain pipe 1208, and thus the whole using process of the digging and filling device for repairing the sludge pollution is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a filling device is got with digging to mud pollution restoration, includes organism (1), gets mud subassembly (4) and rabbling mechanism (6), its characterized in that: the sludge pump is characterized in that a base (2) is fixed below the machine body (1), a sludge pumping pipe (3) is installed above one side of the machine body (1), a sludge taking assembly (4) is arranged below the sludge pumping pipe (3), a sludge pumping pump (5) is installed above one side of the sludge pumping pipe (3), an agitating mechanism (6) is arranged on one side below the sludge pumping pump (5), a reagent tank (7) is fixed above the agitating mechanism (6), a connecting pipe (8) is installed below the reagent tank (7), a sludge discharging pump (10) is installed on one side of the agitating mechanism (6), a dewatering mechanism (9) is arranged on one side above the sludge discharging pump (10), a water pump (11) is installed below the middle of the dewatering mechanism (9), a connecting pipe (8) is installed on one side of the dewatering mechanism (9), a water collecting tank (1201) is arranged on the inner side of the water treatment mechanism (12), a flocculant layer (1202) is fixed on the inner wall of the upper part of the water collecting tank (1201), a biological filter layer (1203) is arranged on the upper middle part of the water collecting tank (1201), an aeration pipe (1204) is fixed below the biological filter layer (1203), an aeration fan (1205) is installed on one side of the aeration pipe (1204), a fiber filter layer (1206) is arranged below the aeration pipe (1204), an activated carbon adsorption layer (1207) is fixed on the inner wall of the lower part of the water collecting tank (1201), and a drain pipe (1208) is connected to one side of the bottom of the water collecting tank (1201); the mud taking component (4) comprises a positioning sleeve (401), a mud inlet (402), a filter screen (403), a micro motor (404), a movable shaft (405) and a paddle (406), wherein the positioning sleeve (401) is installed on the outer side below the mud pumping pipe (3), the mud inlet (402) is formed in the bottom of the mud pumping pipe (3), the filter screen (403) is fixed inside the mud inlet (402), the micro motor (404) is installed below the positioning sleeve (401), the movable shaft (405) is arranged below the micro motor (404), and the paddle (406) is fixed on the outer side below the movable shaft (405); the paddles (406) form a rotating structure through the movable shaft (405), and the paddles (406) are symmetrically arranged with the central axis of the mud inlet (402).

2. The excavation and filling device for sludge pollution remediation according to claim 1, wherein: rabbling mechanism (6) are including teeter chamber (601), step motor (602), main rotation axis (603), assist rotation axis (604), puddler (605), scraper blade (606) and mud pipe (607), step motor (602) are installed to the top of teeter chamber (601), and the lower extreme of step motor (602) is provided with main rotation axis (603), the both sides of main rotation axis (603) are fixed with assist rotation axis (604), and assist the outside welding of rotation axis (604) and have puddler (605), scraper blade (606) are installed to one side that puddler (605) are close to teeter chamber (601) inner wall, and one side below of teeter chamber (601) is provided with mud pipe (607).

3. The excavation and filling device for sludge pollution remediation according to claim 2, wherein: the stirring rod (605) is integrated with the main rotating shaft (603) through the auxiliary rotating shaft (604), and a scraper (606) on the outer side of the stirring rod (605) is attached to the inner wall of the stirring chamber (601).

4. The excavation and filling device for sludge pollution remediation according to claim 1, wherein: the dewatering mechanism (9) comprises a dewatering box (901), filter belts (902), tightening rollers (903), discharge chutes (904), blanking pipes (905), fixing rods (906), comb teeth (907) and bolts (908), wherein the filter belts (902) are arranged inside the dewatering box (901), the tightening rollers (903) are arranged between the filter belts (902), the discharge chutes (904) are arranged on one sides of the filter belts (902), the blanking pipes (905) are arranged below the discharge chutes (904), the fixing rods (906) are arranged on the inner sides of the filter belts (902), the comb teeth (907) are arranged below the fixing rods (906), and the bolts (908) are fixed at two ends of the fixing rods (906).

5. The excavation and filling device for sludge pollution remediation according to claim 4, wherein: the filter belts (902) are parallel to each other, and the symmetry center of the filter belts (902) is coincident with the symmetry center of the tightening roller (903).

6. The excavation and filling device for sludge pollution remediation according to claim 4, wherein: the comb teeth (907) are symmetrically and uniformly distributed below the fixed rod (906), and the fixed rod (906) forms a detachable structure with the inner wall of the dewatering box (901) through bolts (908).

7. The excavation and filling device for sludge pollution remediation according to claim 1, wherein: the biological filtering layer (1203) and the fiber filtering layer (1206) are symmetrically arranged by a vertical central line of the water collecting tank (1201), and the water collecting tank (1201) is communicated with the inside of the dewatering mechanism (9) through the water pump (11).