Integrated device suitable for sewage precipitation and waste slurry treatment

The design of multi-stage sedimentation tanks and waste slurry treatment system has solved the problem of sludge accumulation in mud sedimentation tanks, achieving efficient sewage sedimentation and waste slurry treatment, extending the service life of sedimentation tanks, and reducing construction costs and power consumption.

CN223668717UActive Publication Date: 2025-12-16CHINA RAILWAY 11TH BUREAU GRP CORP LTD +2
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Patent Information

Application Number
CN202423188577.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-16
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

When treating sludge, existing sewage sedimentation tanks tend to accumulate sludge at the bottom, making them difficult to clean. This results in low efficiency of the sedimentation tanks, and the mixing process affects the sedimentation effect, increasing construction costs and energy consumption. In addition, the fixed height of the overflow outlet cannot be adjusted, which also affects the sedimentation effect.

Method used

The system employs a multi-stage sedimentation tank system and a waste slurry treatment system. Through the design of baffle plates and gate valve components, it achieves the meandering flow of slurry and the periodic treatment of sludge. Combined with underflow pumps and bar filters, it avoids disturbing the sedimentation tank and allows for adjustment of the overflow port height.

Benefits of technology

It effectively extends the service life of sedimentation tanks, reduces cleaning frequency, maintains sedimentation effect, reduces power consumption, improves sewage treatment efficiency, and adapts to different water level changes.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides an integrated device suitable for sewage precipitation and waste slurry treatment. The integrated device comprises a waste slurry treatment system and a multi-stage sedimentation tank system, the waste slurry treatment system comprises a sludge storage tank adjacent to a first-stage sedimentation tank of the multi-stage sedimentation tank system and a sludge treatment device arranged on the sludge storage tank, a second water-stop sheet is arranged between the first-stage sedimentation tank and the sludge storage tank, and a second gate valve assembly is mounted at the bottom of the second water-stop sheet; the sludge treatment pond is communicated with the sludge storage pond through an underflow pump assembly, and a sludge treatment device is arranged in the sludge treatment pond. According to the utility model, the treated sewage is less in sludge in the final-stage sedimentation tank, so that the sewage pumped and treated by the underflow pump can be conveniently put into use for the second time, and the condition that the underflow pump is difficult to pump is avoided; the first-stage sedimentation tank is connected with the waste slurry treatment system, and the waste slurry treatment system is used for treating sludge, so that the multi-stage sedimentation tank system can be used for a long time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to waste pulp treatment technical field especially suitable for sewage precipitation and waste pulp treatment integrated device. BACKGROUND

[0002] In the process of slurry shield construction, a large amount of sewage will be produced, and if the large amount of sewage is directly discharged, the environment will be affected, and the current sewage treatment method is to carry out multi-stage sedimentation, and the clear water after sedimentation is pumped out for secondary utilization, and the sludge after sedimentation is subjected to pressure filtration treatment. When the existing sedimentation tank is used for sewage sedimentation, the storage and flow of slurry are carried out in the form of top overflow, and a large amount of sludge sediment will be accumulated at the bottom of the slurry tank. The sludge sediment is difficult to clean, and if the sludge sediment in the slurry tank is too much, it will be difficult to pump out the water after treatment, so regular cleaning is required. In the cleaning process, a stirring device is needed for stirring, and then the sludge is pumped out. During the stirring process, the sedimentation tank will be disturbed, so that the sewage sedimentation cannot be carried out, and the sedimentation process has to be stopped, thereby reducing the efficiency of sewage treatment. Since the cost of shield construction is high, stopping the operation will prolong the construction efficiency and increase the construction cost. Moreover, long-term use of the slurry stirring device consumes a large amount of electric energy.

[0003] In addition, the height of the overflow port of the existing sewage sedimentation tank is fixed, and the height of the overflow port cannot be adjusted according to the water level.

[0004] Therefore, the utility model provides a kind of integrated device suitable for sewage precipitation and waste pulp treatment. INVENTION CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art, and provides an integrated device suitable for sewage precipitation and waste pulp treatment. The device can discharge and treat a large amount of sludge in the sedimentation tank, and will not disturb the water in the sedimentation tank during the treatment process, so as not to affect the sedimentation effect of the sedimentation tank.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts an integrated device suitable for sewage precipitation and waste pulp treatment, which comprises a waste pulp treatment system and a multi-stage sedimentation tank system. The multi-stage sedimentation tanks of the multi-stage sedimentation tank system are separated by a first water stop, and a first gate valve assembly is arranged on the upper part of each first water stop. The waste pulp treatment system comprises a sludge storage tank adjacent to a primary sedimentation tank of the multi-stage sedimentation tank system and a sludge treatment tank sludge treatment device. A second water stop is arranged between the primary sedimentation tank and the sludge storage tank, and a second gate valve assembly is mounted on the bottom of the second water stop. The sludge treatment tank and the sludge storage tank are connected by a bottom flow pump group, and a sludge treatment device is arranged in the sludge treatment tank.

[0007] The utility model discloses a more optimal technical scheme: the multistage sedimentation tank system includes one -level sedimentation tank, two -level sedimentation tank, three -level sedimentation tank and four -level sedimentation tank, and the first water stop is provided between two adjacent levels of sedimentation tank, and the first gate valve assembly on the first water stop of two adjacent levels is set at different sides;Form the curved fluid channel of circuitous flow between one -level sedimentation tank, two -level sedimentation tank, three -level sedimentation tank and four -level sedimentation tank;Two -level sedimentation tank, three -level sedimentation tank and four -level sedimentation tank are communicated with sludge treatment tank through the underflow pump group respectively.

[0008] The utility model discloses a more optimal technical scheme: the sludge treatment device includes gas supply system and grating filter piece, the outlet of gas supply system installs the shunt air pipe, and the shunt air pipe is fixedly installed in the inside of sludge treatment pool;Grating filter piece is installed in the one side of sludge treatment pool away from sludge storage pool through hinged support subassembly, and grating filter piece is close to the top of sludge treatment pool, and installs the transfer pump group between sludge treatment pool and grating filter piece.

[0009] The utility model discloses a more optimal technical scheme: the first gate valve assembly includes the first channel correspondingly set up in the top of first water stop, the first gate plate at the first channel, the first door frame fixedly installed in the top of first water stop and the first hoist fixedly installed in the inboard of first door frame;First guide is fixedly connected on the both sides of first channel, and the first gate plate is slidably installed in the inboard of first guide, and the first hoist has first steel wire rope, and one end of first steel wire rope is fixedly connected with first gate plate, and under the action of first hoist, first gate plate is controlled and moves up and down at first channel.

[0010] The utility model discloses a more optimal technical scheme: the both sides bottom of second water stop respectively set up second channel, and the second gate valve assembly includes two groups, and is set up at the position of second channel respectively;Every second gate valve assembly includes the second door frame fixedly installed in the top of second water stop, the second hoist fixedly installed in the inboard of second door frame and the second gate plate at second channel, and second guide is fixedly connected on the both sides of every second channel, and the second gate plate is slidably installed in the inboard of second guide;Second hoist has second steel wire rope, and one end of second steel wire rope is fixedly connected with second gate plate;Under the action of second hoist, second gate plate is controlled and moves up and down at second channel.

[0011] The utility model discloses a more optimal technical scheme: the integrated device still includes the combination pool, and the sludge storage pool of multistage sedimentation tank system and waste slurry treatment system is all set up in the combination pool.

[0012] The utility model discloses a better technical scheme: the underflow pump group includes the pump body, the pump body liquid outlet is connected with sludge treatment pool, the liquid inlet of pump body is installed with main pipeline, the main pipeline is connected with sludge storage pool and the sedimentation tank system except the first stage sedimentation tank of the branch pipeline all, the junction of main pipeline and branch pipeline is installed with three -way valve.

[0013] The utility model discloses a better technical scheme: the articulated support subassembly includes fixed side frame, movable top frame and inclined brace, the fixed side frame vertical fixed mounting is in the side of sludge treatment pool, and the bottom of fixed side frame is fixedly arranged with support card piece, movable top frame fixed mounting is in the bottom of grid filter piece, and the first end of movable top frame is rotatoryly installed with fixed side frame, the top of inclined brace and movable top frame's second end rotatoryly installed, and the bottom of inclined brace and support card piece correspond.

[0014] The utility model discloses a better technical scheme: the outlet of transfer pump group and the top fixed connection of grid filter piece has the shunt pipeline.

[0015] The utility model discloses a better technical scheme: the side of second waterproof board and the top fixed mounting of second gate valve assembly has the limit baffle.

[0016] The utility model has the following beneficial effects:

[0017] Compared with the prior art, the utility model stores a large amount of slurry generated in the slurry shield construction process through the multistage sedimentation tank system, the slurry is treated through the multistage sedimentation tank system, the sewage treated by the multistage sedimentation tank system has less sludge in the last stage sedimentation tank, the treated sewage is conveniently put into use again by the underflow pump, and the underflow pump does not have the difficulty in pumping. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the perspective drawing of the utility model;

[0019] Figure 2is a front view of the utility model;

[0020] Figure 3 is a top view of the utility model;

[0021] Figure 4 is Figure 1 is a partial enlarged view of A in the middle;

[0022] Figure 5 is Figure 1 is a partial enlarged view of B in the middle;

[0023] Figure 6 is a schematic view of the bottom flow pump group of the utility model.

[0024] Legend: 1, primary sedimentation tank; 2, secondary sedimentation tank; 3, tertiary sedimentation tank; 4, quaternary sedimentation tank; 5, first water stop; 6, first gate valve assembly; 601, first guide; 602, first gate; 603, first portal; 604, first hoist; 604a, first steel wire rope; 7, sludge storage tank; 8, sludge treatment tank; 9, bottom flow pump group; 901, pump body; 902, main pipeline; 903, branch pipeline; 904, three-way valve; 10, gas supply system; 10a, shunt gas pipe; 11, transfer pump group; 12, grating filter; 12a, shunt pipeline; 13, second water stop; 14, second gate valve assembly; 15, second guide; 16, second gate; 17, combined tank; 18, second hoist; 18a, second steel wire rope; 19, second portal; 20, limiting stop block; 21, hinged support assembly; 2101, fixed side frame; 2101a, support clamping piece; 2102, inclined support piece; 2103, movable top frame. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with the drawings and examples. Figures 1 to 5 All are the drawings of examples, are drawn in a simplified way, and are only used for the purpose of clearly and simply illustrating the embodiments of the utility model. The technical solutions shown in the drawings below are the specific schemes of the embodiments of the utility model, and are not intended to limit the scope of the claimed utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] In the description of the utility model, it is understood that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0027] The embodiment provides an integrated device suitable for sewage sedimentation and waste slurry treatment, which refers to Figures 1 to 5 The multistage sedimentation tank system sequentially comprises a first stage sedimentation tank 1, a second stage sedimentation tank 2, a third stage sedimentation tank 3 and a fourth stage sedimentation tank 4, belongs to a four-stage sedimentation tank system, the fourth stage sedimentation tank 4 is a final stage sedimentation tank, two adjacent sedimentation tanks are separated through a first water baffle 5, a first gate valve assembly 6 is installed on each first water baffle 5, the first gate valve assemblies 6 on the two adjacent first water baffles 5 are arranged at different ends, and the purpose of curved flow of sewage in the multistage sedimentation tank system is achieved by adjusting the installation position of the first gate valve assembly 6 on the first water baffle 5. The first gate valve assembly 6 can be adjusted in height, so that the fluid between the first stage sedimentation tank 1, the second stage sedimentation tank 2, the third stage sedimentation tank 3 and the fourth stage sedimentation tank 4 can flow circularly.

[0028] The multistage sedimentation tank system is used for directly treating a large amount of slurry generated in a slurry shield construction process, the large amount of slurry enters from the first stage sedimentation tank 1 of the multistage sedimentation tank system, and flows circularly between the first stage sedimentation tank 1, the second stage sedimentation tank 2, the third stage sedimentation tank 3 and the fourth stage sedimentation tank 4 in sequence, is subjected to sedimentation treatment, and the treated liquid is pumped by a bottom flow pump in the final stage sedimentation tank for secondary use. The flow of fluid in the multistage sedimentation tank system is shown by the circular curve with an arrow in Figure 3 The circular curve with an arrow represents the flow direction of the fluid in the multistage sedimentation tank system; a large amount of sludge is stored in the multistage sedimentation tank system during the working process, and the sludge is treated by the waste slurry treatment system.

[0029] In the embodiment, as Figure 1 And Figure 2As shown, the waste slurry treatment system comprises a sludge storage tank 7, a sludge treatment tank 8, a grid filter 12, a gas supply system 10 and a transfer pump set 11. The gas supply system 10 is provided with a shunt air pipe 10a at the outlet end thereof, the shunt air pipe 10a is fixedly installed in the interior of the sludge treatment tank 8, and the transfer pump set 11 is installed between the sludge treatment tank 8 and the grid filter 12. The sludge storage tank 7 is arranged adjacent to one side of the primary sedimentation tank 1 and is separated from the primary sedimentation tank 1 by a second waterproof plate 13. The bottom of the second waterproof plate 13 is provided with a second gate valve assembly 14. When a large amount of sludge is accumulated in the primary sedimentation tank 1 of the multi-stage sedimentation tank system, the second gate valve assembly 14 is opened, the sludge flows into the sludge storage tank 7 through the bottom of the second waterproof plate 13, and then the sludge in the sludge storage tank 7 is treated by the waste slurry treatment system. This process can better ensure the treatment of a large amount of sludge and can better ensure that the integrated device suitable for sewage sedimentation and waste slurry treatment can be used for a long time.

[0030] As shown in the embodiments, Figure 3 and Figure 6 As shown, the sludge storage tank 7 and the secondary sedimentation tank 2, the tertiary sedimentation tank 3 and the quaternary sedimentation tank 4 are respectively communicated with the sludge treatment tank 8 through a underflow pump set 9. The underflow pump set 9 comprises a pump body 901, a main pipeline 902, a branch pipeline 903 and a three-way valve 904. The pump body 901 is connected with the sludge treatment tank 8 at the outlet thereof, the inlet of the pump body 901 is provided with the main pipeline 902, the main pipeline 902 is connected with the sludge storage tank 7 and the sedimentation tanks of the multi-stage sedimentation tank system except the primary sedimentation tank 1 through the branch pipeline 903, and the three-way valve 904 is installed at the connection between the main pipeline 902 and the branch pipeline 903. By controlling the three-way valve 904, the underflow pump set 9 can perform sludge pumping operation on one of the sludge storage tank 7 and the sedimentation tanks of the multi-stage sedimentation tank system except the primary sedimentation tank 1. The grid filter 12 is installed on one side of the sludge treatment tank 8 through a hinged support assembly 21, and the grid filter 12 is close to the top of the sludge treatment tank 8. The connection structure of the hinged support assembly 21 allows the grid filter 12 to be folded downward, so as to facilitate cleaning of the dry sludge on the top of the grid filter 12.

[0031] When the waste slurry treatment system is working, the sludge in the first sedimentation tank 1 can be guided into the sludge storage tank 7 through the second gate valve assembly 14, and the waste slurry treatment system pumps the sludge into the sludge treatment tank 8 according to the amount of sludge in the sludge storage tank 7 and the sedimentation tanks other than the first sedimentation tank 1 in the multi-stage sedimentation tank system, and then various chemicals (such as flocculants) are added to the sludge treatment tank 8, the air supply system 10 provides airflow, and the airflow is blown into the sludge in the sludge treatment tank 8 through the shunt air pipe 10a to achieve the effect of stirring, and the treated sludge is transported to the grating filter 12 through the transfer pump set 11, and after filtering, it is dried in the sun, the grating filter 12 is turned downward to make the dry sludge fall, and then the dry sludge is sent to subsequent sludge treatment or directly discharged.

[0032] The integrated device suitable for sewage sedimentation and waste slurry treatment in the embodiment, as shown in Figure 1 and Figure 4 The second gate valve assembly 14 includes a second gantry 19, a second winch 18, a second guide 15 and a second gate plate 16. The second gantry 19 is fixedly installed on the top of the second bulkhead 13, the second winch 18 is fixedly installed on the inner side of the second gantry 19, the second winch 18 has a second steel wire rope 18a thereon, a second passage is formed on the side of the second bulkhead 13 and close to the bottom of the second bulkhead 13, the second guide 15 is fixedly connected on the side of the second bulkhead 13 and located on both sides of the second passage, the second gate plate 16 is slidingly installed on the inner side of the second guide 15, and one end of the second steel wire rope 18a is fixedly connected with the second gate plate 16. The limiting block 20 is fixedly installed on the side of the second bulkhead 13 and above the second gate plate 16, and is used for limiting the highest position of the second gate plate 16. Generally, when the second gate plate 16 moves to the highest position, the second gate plate 16 should not be separated from the second guide 15.

[0033] The opening process of the second gate valve assembly 14: the second winch 18 is connected to the power supply to wind the second steel wire rope 18a, the second steel wire rope 18a pulls the second gate plate 16 upward to open the second passage, and the sludge in the first sedimentation tank 1 enters the sludge storage tank 7 through the second passage; on the contrary, the second winch 18 releases the second steel wire rope 18a, and the second steel wire rope 18a releases the second gate plate 16 downward to close the second passage.

[0034] In the embodiment, as shown in Figure 1 and Figure 5As shown, the first gate valve assembly 6 comprises a first door frame 603, a first hoist 604, a first guide 601 and a first gate 602. The first door frame 603 is fixedly installed on the top of the first bulkhead 5, the first hoist 604 is fixedly installed on the inner side of the first door frame 603, the first hoist 604 is provided with a first steel wire rope 604a, a first channel is formed on the side of the first bulkhead 5 and close to the top of the first bulkhead 5, the first guide 601 is fixedly connected on both sides of the first channel, the first gate 602 is slidingly installed on the inner side of the first guide 601, and one end of the first steel wire rope 604a is fixedly connected with the first gate 602.

[0035] By working of the first hoist 604, the first steel wire rope 604a is retracted or extended, the height of the top of the first gate 602 is adjusted, the opening and closing degree of the gate in each sedimentation tank is adjusted, the slurry flow is adjusted, the liquid level of the sedimentation tank is controlled, and the relative stability is maintained.

[0036] In an embodiment, a shunt pipeline 12a is fixedly connected to the outlet end of the transfer pump set 11 and above the grid filter 12, and the shunt pipeline 12a is used for dispersing and conveying the sludge to lay the sludge on the grid filter 12.

[0037] In an embodiment, as shown in the drawings, Figure 2 As shown, the articulated support assembly 21 comprises a fixed side frame 2101, a movable top frame 2103 and a diagonal brace 2102. The fixed side frame 2101 is vertically fixedly installed on the side of the sludge treatment tank 8, the bottom end of the fixed side frame 2101 is fixedly provided with a support clamping piece 2101a, the movable top frame 2103 is fixedly installed on the bottom of the grid filter 12, the first end of the movable top frame 2103 is rotatably installed with the fixed side frame 2101, the top end of the diagonal brace 2102 is rotatably installed with the second end of the movable top frame 2103, and the bottom end of the diagonal brace 2102 corresponds to the support clamping piece 2101a, as shown in the drawings, Figure 2 The fixed side frame 2101, the movable top frame 2103 and the diagonal brace 2102 form a triangular structure, which can stably support the grid filter 12. When the bottom end of the diagonal brace 2102 is separated from the support clamping piece 2101a, the movable top frame 2103 can be rotated downward, so that the grid filter 12 can be rotated, and the dry sludge on the top of the grid filter 12 can be conveniently cleaned.

[0038] In an embodiment, the integrated device further comprises a combined tank 17, and the sludge storage tanks 7 of the multi-stage sedimentation tank system and the waste slurry treatment system are arranged in the combined tank 17. The combined tank 17 is a whole structure, so that the sludge storage tanks 7 of the multi-stage sedimentation tank system and the waste slurry treatment system can be better distributed.

[0039] The overall working process of the utility model is as follows: a large amount of mud enters from the first stage sedimentation tank 1 of the multi-stage sedimentation tank system, and flows in turn among the first stage sedimentation tank 1, the second stage sedimentation tank 2, the third stage sedimentation tank 3 and the fourth stage sedimentation tank 4, and is subjected to sedimentation treatment, and the treated liquid is pumped by the underflow pump in the last stage sedimentation tank for secondary use.When a large amount of sludge is accumulated in the first stage sedimentation tank 1, the sedimentation process is stopped, the second gate valve assembly 14 is opened, the sludge flows into the sludge storage tank 7 through the bottom of the second water baffle 13, and the sludge in the sludge storage tank 7 is pumped into the sludge treatment tank 8 by the underflow pump set 9, then various medicines (such as flocculants) are added into the sludge treatment tank 8, the airflow is provided by the air supply system 10, the airflow is blown into the sludge in the sludge treatment tank 8 through the shunt air pipe 10a, the stirring effect is realized, and the treated sludge is transported to the grating filter 12 by the transfer pump set 11, is filtered and dried, and then the sludge is sent to subsequent sludge treatment or is directly discharged.

[0040] The utility model discloses a multi-stage sedimentation tank system is used to the sedimentation treatment of sewage and then is applied again, and a large amount of sludge is treated by the waste slurry treatment system. In this process, on the one hand, a large amount of mud treatment can be better guaranteed, and on the other hand, the integrated device suitable for sewage sedimentation and waste slurry treatment can be used for a long time.

[0041] Finally, it should be noted that: the above only for the preferred embodiment of the utility model has been described, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An integrated device suitable for sewage sedimentation and waste slurry treatment, characterized in that: The integrated device comprises a waste slurry treatment system and a multi-stage sedimentation tank system; the multi-stage sedimentation tank system is separated by first waterproof plates (5) between the multi-stage sedimentation tanks, and a first gate valve assembly (6) is arranged on the upper part of each first waterproof plate (5); the waste slurry treatment system comprises a sludge storage tank (7) adjacent to a primary sedimentation tank (1) of the multi-stage sedimentation tank system and a sludge treatment device arranged on a sludge treatment tank (8), a second waterproof plate (13) is arranged between the primary sedimentation tank (1) and the sludge storage tank (7), a second gate valve assembly (14) is mounted on the bottom of the second waterproof plate (13), the sludge treatment tank (8) is communicated with the sludge storage tank (7) through a underflow pump set (9), and a sludge treatment device is arranged in the sludge treatment tank (8).

2. The integrated device for sewage sedimentation and waste slurry treatment according to claim 1, characterized in that: The multi-stage sedimentation tank system comprises a primary sedimentation tank (1), a secondary sedimentation tank (2), a tertiary sedimentation tank (3) and a quaternary sedimentation tank (4), first waterproof plates (5) are arranged between adjacent two sedimentation tanks, and the first gate valve assemblies (6) on the adjacent two first waterproof plates (5) are arranged on different sides; a curved fluid channel in a meandering flow is formed between the primary sedimentation tank (1), the secondary sedimentation tank (2), the tertiary sedimentation tank (3) and the quaternary sedimentation tank (4); the secondary sedimentation tank (2), the tertiary sedimentation tank (3) and the quaternary sedimentation tank (4) are communicated with the sludge treatment tank (8) through underflow pump sets (9) respectively.

3. The integrated device for treating sewage and waste slurry according to claim 1 or 2, characterized in that: The sludge treatment device comprises a gas supply system (10) and a grid filter (12), a shunt air pipe (10a) is mounted at the air outlet of the gas supply system (10), and the shunt air pipe (10a) is fixedly installed in the interior of the sludge treatment tank (8); the grid filter (12) is installed on the side of the sludge treatment tank (8) away from the sludge storage tank (7) through a hinged support assembly (21), and the grid filter (12) is close to the top of the sludge treatment tank (8), and a transfer pump set (11) is installed between the sludge treatment tank (8) and the grid filter (12).

4. The integrated device suitable for sewage sedimentation and waste slurry treatment according to claim 1 or 2, characterized in that: The first gate valve assembly (6) comprises a first channel corresponding to the first channel arranged on the top of the first waterproof plate (5), a first gate plate (602) located at the first channel, a first gantry (603) fixedly installed on the top of the first waterproof plate (5) and a first winch (604) fixedly installed on the inner side of the first gantry (603); first guides (601) are fixedly connected on both sides of the first channel, the first gate plate (602) is slidingly installed on the inner side of the first guide (601), the first winch (604) is provided with a first steel wire rope (604a), one end of the first steel wire rope (604a) is fixedly connected with the first gate plate (602), and the first gate plate (602) is controlled to move up and down at the first channel under the action of the first winch (604).

5. The integrated device for treating sewage and waste slurry according to claim 1 or 2, wherein: The second water baffle (13) is provided with a second channel on both sides of the bottom, and the second gate valve assembly (14) includes two groups, which are arranged at the positions of the second channels respectively; each group of the second gate valve assembly (14) includes a second door frame (19) fixedly installed on the top of the second water baffle (13), a second winch (18) fixedly installed on the inner side of the second door frame (19), and a second gate plate (16) located at the second channel, and a second guide (15) is fixedly connected on both sides of the second channel, and the second gate plate (16) is slidingly installed on the inner side of the second guide (15); the second winch (18) is provided with a second steel wire rope (18a), one end of the second steel wire rope (18a) is fixedly connected with the second gate plate (16); the second gate plate (16) is controlled to move up and down at the second channel under the action of the second winch (18).

6. The integrated device suitable for sewage sedimentation and waste slurry treatment according to claim 1 or 2, characterized in that: The integrated device further comprises a combined pool (17), and the sludge storage pool (7) of the multi-stage sedimentation pool system and the waste slurry treatment system are arranged in the combined pool (17).

7. The integrated device suitable for sewage sedimentation and waste slurry treatment according to claim 2, characterized in that: The underflow pump group (9) comprises a pump body (901), the liquid outlet of the pump body (901) is connected with the sludge treatment pool (8), the liquid inlet of the pump body (901) is provided with a main pipeline (902), the main pipeline (902) is connected with the sludge storage pool (7) and the sedimentation pools of the multi-stage sedimentation pool system except the first-stage sedimentation pool (1) through branch pipelines (903), and a three-way valve (904) is arranged at the connection position of the main pipeline (902) and the branch pipeline (903).

8. The integrated device suitable for sewage sedimentation and waste slurry treatment according to claim 3, characterized in that: The hinged support assembly (21) comprises a fixed side frame (2101), a movable top frame (2103) and an inclined support member (2102); the fixed side frame (2101) is vertically fixedly installed on the side of the sludge treatment pool (8), and a support clamping member (2101a) is fixedly arranged at the bottom end of the fixed side frame (2101); the movable top frame (2103) is fixedly installed on the bottom of the grid filter (12), and the first end of the movable top frame (2103) is rotatably installed with the fixed side frame (2101); the top end of the inclined support member (2102) is rotatably installed with the second end of the movable top frame (2103), and the bottom end of the inclined support member (2102) corresponds to the support clamping member (2101a).

9. The integrated device suitable for sewage sedimentation and waste slurry treatment according to claim 3, characterized in that: The outlet end of the transfer pump group (11) and above the grid filter (12) are fixedly connected with a shunt pipeline (12a).

10. The integrated device suitable for sewage sedimentation and waste slurry treatment according to claim 5, characterized in that: The side of the second water baffle (13) and above the second gate plate (16) are fixedly installed with a limiting stopper (20).