Dual-purpose pipeline structure convenient for sewage disposal of sludge tank

Abstract

The utility model relates to the technical field of sewage pipelines, and particularly discloses a dual-purpose pipeline structure for convenient sewage disposal of a sludge tank, which comprises a sludge tank and a conditioning tank for settling suspended matters in sewage, the conditioning tank is provided with a sewage inlet and a sewage outlet, the sludge tank is connected with the sewage inlet of the conditioning tank through a pipeline, the sewage outlet of the conditioning tank is provided with a flow dividing mechanism, and the conditioning tank is connected with an external filter press and / or an external sludge transport vehicle through the flow dividing mechanism. The filter press is used for dewatering suspended solids precipitated in the sewage of the conditioning tank, and the sludge transport vehicle is used for transporting the sewage in which the suspended solids are precipitated to an external sewage treatment plant. According to the utility model, the sewage with precipitated suspended matters is controlled to be conveyed to the external filter press and / or the external sludge transport vehicle through the shunting mechanism, the sewage treatment speed of the filter press is relatively slow, and the sludge transport vehicle transports the sewage to a sewage treatment plant for centralized treatment, so that the field storage pressure is reduced, and the construction and maintenance cost of fixed treatment equipment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage pipelines, and particularly discloses a pipeline structure for convenient sewage discharge treatment that can be used in a sludge pool in two ways. Background Art

[0002] Sludge treatment is a key link in municipal sewage and industrial wastewater treatment, and the treatment efficiency and effect directly affect the performance and cost of the overall sewage treatment system. At present, the commonly used methods in the sludge treatment system include mechanical dewatering, chemical flocculation, and biodegradation, etc.

[0003] In the prior art, generally, a pressure filtration system such as a filter press is used to re-treat the sludge, so as to filter out the sewage in the sludge and leave the treated sludge cake. The existing filter press is fixed on the ground, has a large volume, is not convenient for disassembly, installation and movement, and has a high initial equipment investment; at the same time, the sewage generated in different functional areas is different, and the sludge production is also very different. For areas with a large sludge production, relying solely on a pressure filtration system such as a filter press to filter the sludge has low efficiency, and the filter press has a slow filtration speed, resulting in a large on-site storage pressure. Summary of the Utility Model

[0004] In order to overcome the disadvantages and deficiencies existing in the prior art, the purpose of the utility model is to provide a pipeline structure that diverts the precipitated sewage, performs pressure filtration and sewage discharge on the precipitated sewage respectively, has diversified treatment approaches, and adapts to different treatment requirements.

[0005] To achieve the above purpose, a pipeline structure for convenient sewage discharge treatment that can be used in a sludge pool in two ways of the utility model includes a sludge tank and a conditioning tank for precipitating suspended solids in sewage; a sewage inlet and a sewage outlet are provided on the conditioning tank, the sludge tank is connected to the sewage inlet of the conditioning tank via a pipeline, a diversion mechanism is provided at the sewage outlet of the conditioning tank, and the conditioning tank is connected to an external filter press and / or an external sludge transport vehicle via the diversion mechanism. The filter press is used to dehydrate the suspended solids precipitated in the sewage of the conditioning tank, and the sludge transport vehicle is used to transport the sewage after the suspended solids are precipitated to an external sewage treatment plant. The utility model controls the sewage with precipitated suspended solids to be sent to an external filter press and / or an external sludge transport vehicle through the diversion mechanism. The filter press has a slow sewage treatment speed, and the sludge transport vehicle transports the sewage to the sewage treatment plant for centralized treatment, reducing the on-site storage pressure, reducing the construction and maintenance costs of fixed treatment equipment, providing diversified treatment approaches, adapting to different treatment requirements and scenarios, maximizing the use of existing resources, reducing the overall operation cost, and improving the economic benefits.

[0006] Furthermore, the flow splitting mechanism is a tee connection pipe. The flow splitting mechanism is provided with a first inlet, a first outlet, and a second outlet. The first inlet is connected to the sewage discharge port of the conditioning tank, the first outlet is connected to an external filter press, and the second outlet is connected to a sludge transport vehicle via a hose. The design of the tee connection pipe simplifies the pipeline connection and flow splitting operation, improves the flow splitting efficiency, enables the sewage to be quickly split to the filter press or the sludge transport vehicle, and enhances the flexibility and convenience of the system.

[0007] Furthermore, a first gate valve is provided between the first outlet and the external filter press, and a second gate valve is provided between the second outlet and the sludge transport vehicle. By controlling the sewage flow direction through the gate valves, the operation is simple and flexible, effectively controlling the sewage treatment process, avoiding unnecessary flow and mixing, and improving the treatment efficiency and accuracy.

[0008] Furthermore, the second outlet is detachably connected to the hose via a connecting flange. The flange connection design makes the installation and disassembly of the hose more convenient, improves the operation efficiency, and facilitates the maintenance and replacement of the hose.

[0009] Furthermore, the connecting flange includes a first flange and a second flange, and the first flange and the second flange are connected via a connecting piece; one end of the connecting piece is provided with a baffle, and the other end of the connecting piece is provided with a block that is slidably connected to the connecting piece, and the block abuts against the second flange. The connecting piece ensures the stability and sealing performance of the connection between the first flange and the second flange, reduces the leakage risk, and extends the service life of the equipment.

[0010] Furthermore, the first flange is provided with a convex block, and the second flange is provided with a groove, and the convex block and the groove are slidably matched. The design of the convex block and the groove increases the firmness of the flange connection, improves the stability of the flange connection, and prevents the hose connection from loosening or falling off.

[0011] Furthermore, the connecting piece is U-shaped, and the connecting surfaces of the connecting piece with the first flange and the connecting piece with the second flange are arc-shaped. The U-shaped connecting piece and the arc-shaped connecting surface design enhance the flexibility and sealing performance of the connection, reduce the stress concentration at the connection, prevent the pipeline from being damaged, and extend the service life.

[0012] Furthermore, a sealing ring is provided at the connection between the first flange and the second flange. It prevents sewage leakage and ensures the safety and hygiene of the pipeline system.

[0013] Furthermore, a flocculant tank is provided on the conditioning tank. The flocculant tank stores flocculant. A flocculant pump is provided between the flocculant tank and the conditioning tank. The flocculant pump is used to pump the flocculant in the flocculant tank into the conditioning tank. A stirrer is provided in the conditioning tank. The stirrer is used to make the sewage and the flocculant in the conditioning tank react more fully. The configuration of the flocculant tank and the stirrer enables the flocculant and the sewage to be fully mixed, improves the flocculation effect, enhances the sewage treatment efficiency, and reduces the subsequent treatment burden.

[0014] Furthermore, a coagulant aid tank is provided on the sludge tank. The coagulant aid tank stores coagulant aid. A coagulant aid pump is provided between the coagulant aid tank and the sludge tank. The coagulant aid pump is used to pump the coagulant aid in the coagulant aid tank into the sludge tank. This improves the flocculation effect of the sludge, enhances the sludge dewatering performance, reduces the sludge volume, and improves the treatment efficiency.

[0015] Advantages of the present utility model: The present utility model controls the sewage with precipitated suspended matter to be sent to an external filter press and / or an external sludge transport vehicle through a flow splitting mechanism. The filter press has a slow sewage treatment speed, and the sludge transport vehicle transports the sewage to a sewage treatment plant for centralized treatment, reducing the on-site storage pressure, reducing the construction and maintenance costs of fixed treatment equipment, providing diversified treatment approaches, adapting to different treatment requirements and scenarios, maximizing the utilization of existing resources, reducing the overall operation cost, and improving the economic benefits.

[0016] The tee connection pipe design simplifies the pipeline connection and flow splitting operation, improves the flow splitting efficiency, enables the sewage to be quickly split into the filter press or the sludge transport vehicle, enhances the flexibility and convenience of the system. The flange connection design makes the installation and disassembly of the hose more convenient, improves the operation efficiency, facilitates the maintenance and replacement of the hose, and the sealing ring prevents sewage leakage, ensuring the safety and hygiene of the pipeline system. Description of the Drawings

[0017] Figure 1 It is a schematic structural view of a pipeline structure for dual-purpose and convenient sewage discharge treatment of a sludge pond of the present utility model;

[0018] Figure 2 It is a schematic structural view of the flow splitting mechanism of the present utility model;

[0019] Figure 3 It is a schematic structural view of the connecting flange of the present utility model;

[0020] Figure 4 It is an exploded view of the first flange and the second flange of the present utility model;

[0021] Figure 5 It is a sectional view of the connecting flange of the present utility model.

[0022] The reference numerals include:

[0023] 1. Sludge tank; 2. Conditioning tank; 3. Sewage inlet; 4. Sewage outlet; 5. Shunt mechanism; 6. Filter press; 7. Sludge transport vehicle; 8. First inlet; 9. First outlet; 10. Second outlet; 11. First gate valve; 12. Second gate valve; 13. Connecting flange; 14. First flange; 15. Second flange; 16. Connector; 17. Baffle; 18. Block; 19. Protrusion; 20. Groove; 21. Flocculant tank; 22. Flocculant pump; 23. Mixer; 24. Coagulant aid tank; 25. Coagulant aid pump. Detailed implementation manner

[0024] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following will, in conjunction with the accompanying drawings and preferred embodiments, detail the specific implementation manner, structure, features and their effects of the present utility model as follows.

[0025] Please refer to Figures 1 to 5 As shown, a pipeline structure for dual-purpose and convenient sewage discharge treatment in a sludge tank of the present utility model includes a sludge tank 1 and a conditioning tank 2 for precipitating suspended solids in sewage; a sewage inlet 3 and a sewage outlet 4 are provided on the conditioning tank 2. The sludge tank 1 is connected to the sewage inlet 3 of the conditioning tank 2 via a pipeline. A shunt mechanism 5 is provided at the sewage outlet 4 of the conditioning tank 2. The conditioning tank 2 is connected to an external filter press 6 and / or an external sludge transport vehicle 7 via the shunt mechanism 5. The filter press 6 is used to dehydrate the suspended solids precipitated in the sewage of the conditioning tank 2, and the sludge transport vehicle 7 is used to transport the sewage after precipitating the suspended solids to an external sewage treatment plant. The present utility model controls the sewage precipitating the suspended solids to be sent to the external filter press 6 and / or the external sludge transport vehicle 7 through the shunt mechanism 5. The filter press 6 has a slow sewage treatment speed. The sludge transport vehicle 7 transports the sewage to the sewage treatment plant for centralized treatment, reducing the on-site storage pressure, reducing the construction and maintenance costs of fixed treatment equipment, providing diversified treatment paths, adapting to different treatment requirements and scenarios, maximizing the utilization of existing resources, reducing the overall operation cost, and improving the economic benefits.

[0026] The shunt mechanism 5 is a three-way connecting pipe. The shunt mechanism 5 is provided with a first inlet 8, a first outlet 9 and a second outlet 10. The first inlet 8 is connected to the sewage outlet 4 of the conditioning tank 2. The first outlet 9 is connected to the external filter press 6. The second outlet 10 is connected to the sludge transport vehicle 7 via a hose. The three-way connecting pipe design simplifies the pipeline connection and shunt operation, improves the shunt efficiency, enables the sewage to be quickly shunted to the filter press 6 or the sludge transport vehicle 7, and enhances the flexibility and convenience of the system.

[0027] A first gate valve 11 is provided between the first outlet 9 and the external filter press 6, and a second gate valve 12 is provided between the second outlet 10 and the sludge transport vehicle 7. The flow direction of the sewage is controlled by the gate valves, which is simple and flexible in operation, effectively controls the sewage treatment process, avoids unnecessary flow and mixing, and improves the treatment efficiency and accuracy.

[0028] The second outlet 10 and the hose are detachably connected via a connecting flange 13. The flange connection design makes the installation and disassembly of the hose more convenient, improves the operation efficiency, and facilitates the maintenance and replacement of the hose.

[0029] The connecting flange 13 includes a first flange 14 and a second flange 15, and the first flange 14 and the second flange 15 are connected via a connecting member 16; one end of the connecting member 16 is provided with a baffle 17, and the other end of the connecting member 16 is provided with a block 18 that is slidably connected to the connecting member 16, and the block 18 abuts against the second flange 15. The connecting member 16 ensures the stability and sealing performance of the connection between the first flange 14 and the second flange 15, reduces the leakage risk, and extends the service life of the equipment. The second flange 15 is connected to the second outlet 10, and the hose is connected to the first flange 14.

[0030] The first flange 14 is provided with a convex block 19, and the second flange 15 is provided with a groove 20, and the convex block 19 and the groove 20 are in sliding fit. The design of the convex block 19 and the groove 20 increases the firmness of the flange connection, improves the stability of the flange connection, and prevents the hose connection from loosening or falling off.

[0031] The connecting member 16 is U-shaped, and the connecting surfaces of the connecting member 16 with the first flange 14 and the connecting member 16 with the second flange 15 are arc-shaped. The U-shaped connecting member 16 and the arc-shaped connecting surface design enhance the flexibility and sealing performance of the connection, reduce the stress concentration at the connection, prevent the pipeline from being damaged, and extend the service life.

[0032] A sealing ring is provided at the connection between the first flange 14 and the second flange 15. It prevents sewage leakage and ensures the safety and hygiene of the pipeline system.

[0033] Specifically, the block 18 is slidably connected to the connecting member 16 via a bolt.

[0034] A flocculant tank 21 is provided on the conditioning tank 2. The flocculant tank 21 stores a flocculant. A flocculant pump 22 is provided between the flocculant tank 21 and the conditioning tank 2. The flocculant pump 22 is used to pump the flocculant in the flocculant tank 21 into the conditioning tank 2. A stirrer 23 is provided in the conditioning tank 2, and the stirrer 23 is used to make the sewage in the conditioning tank 2 react more fully with the flocculant. The configuration of the flocculant tank 21 and the stirrer 23 enables the flocculant to be fully mixed with the sewage, improves the flocculation effect, enhances the sewage treatment efficiency, and reduces the subsequent treatment burden.

[0035] Specifically, the flocculant is polyaluminium chloride. Polyaluminium chloride is an inorganic polymer flocculant that can effectively remove suspended matter, colloidal particles and organic matter in water. It can function in the pH range (4-11) and is particularly suitable for acidic and neutral environments. It hydrolyzes in water to generate a variety of positively charged hydroxyl polymers, which neutralize the charge of suspended particles in water, causing them to lose stability, and then form larger flocs through bridging, sweeping and other effects, which are then removed by sedimentation.

[0036] A coagulant tank 24 is provided on the sludge tank 1, and a coagulant is stored in the coagulant tank 24. A coagulant pump 25 is provided between the coagulant tank 24 and the sludge tank 1, and the coagulant pump 25 is used to pump the coagulant in the coagulant tank 24 into the sludge tank 1. The flocculation effect of the sludge is improved, the dewatering performance of the sludge is improved, the volume of the sludge is reduced, and the treatment efficiency is improved.

[0037] Specifically, the coagulant aid is polyacrylamide. According to the ionic properties, polyacrylamide is divided into anionic, cationic and non-ionic types. Suitable products can be selected for different types of sewage. Through its long-chain structure, it forms multi-point adsorption and bridging effects in water, so that fine particles are aggregated into larger flocs, promoting solid-liquid separation. The polymer chain can enhance the flocculation effect of sludge and improve the sedimentation performance and dewatering performance of sludge.

[0038] Specifically, the sludge transport vehicle 7 includes a mobile body and a membrane filter press 6 arranged on the mobile body. The membrane filter press 6 is provided with a feed hose, and a first flange 14 is installed at the free end of the feed hose.

[0039] In the technical scheme, the collected sewage is put into the sludge tank 1, the coagulant pump 25 pumps the coagulant in the coagulant tank 24 into the sludge tank 1, the sewage with the coagulant added enters the conditioning tank 2, the flocculant pump 22 pumps the flocculant in the flocculant tank 21 into the conditioning tank 2, the mixer 23 in the conditioning tank 2 makes the sewage in the conditioning tank 2 react more fully with the flocculant and the coagulant, and precipitates the suspended matter in the sewage, and according to the needs, the sewage is distributed to the external filter press 6 or the sludge transport vehicle 7 through the diversion mechanism 5. If the sewage is sent to the filter press 6, the first gate valve 11 is opened, and the second gate valve 12 is closed, and the sewage enters the filter press 6 through the first outlet 9, and the filter press 6 is pressed. The filter 6 further dehydrates the suspended matter in the sewage to reduce the volume of the sludge; if the sewage is sent to the sludge transport vehicle 7, the second gate valve 12 is opened, the first gate valve 11 is closed, the first flange 14 and the second flange 15 are connected via the connector 16, the baffle 17 and the block 18 respectively stop and abut the first flange 14 and the second flange 15, so that the first flange 14 and the second flange 15 are firmly connected, the sludge transport vehicle 7 is connected to the second outlet 10 via the connecting flange 13, and the sewage enters the sludge transport vehicle 7 through the second outlet 10 through the hose, and the sludge transport vehicle 7 stores the sewage after the suspended matter is precipitated, and transports it to an external sewage treatment plant for further treatment.

[0040] As described above, it is only the preferred embodiment of the present utility model, and it does not impose any formal restrictions on the present utility model. Although the present utility model has been disclosed above with the preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to form equivalent embodiments of equivalent changes within the scope of the technical solution of the present utility model. However, as long as it does not depart from the content of the technical solution of the present utility model, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A pipeline structure for dual-purpose sewage treatment in a sludge pool, comprising a sludge tank (1) for storing sewage and a conditioning tank (2) for settling suspended matter in the sewage; the characteristics are: The conditioning tank (2) is provided with a sewage feed port (3) and a sewage discharge port (4); the sludge tank (1) is connected to the sewage feed port (3) of the conditioning tank (2) via a pipeline; the sewage discharge port (4) of the conditioning tank (2) is provided with a diversion mechanism (5); the sewage discharge port (4) of the conditioning tank (2) is connected to an external filter press (6) and / or an external sludge transport vehicle (7) via the diversion mechanism (5); the filter press (6) is used to dewater suspended matter precipitated in the sewage of the conditioning tank (2); the sludge transport vehicle (7) is used to store the sewage after the suspended matter is precipitated, and to transport the sewage after the suspended matter is precipitated to an external sewage treatment plant.

2. According to claim 1, a pipeline structure for dual-purpose and convenient sewage treatment in a sludge pool is characterized by: The diversion mechanism (5) is a three-way connecting pipe. The diversion mechanism (5) is provided with a first inlet (8), a first outlet (9) and a second outlet (10). The first inlet (8) is connected to the sewage discharge port (4) of the conditioning tank (2), the first outlet (9) is connected to the external filter press (6), and the second outlet (10) is connected to the sludge transport vehicle (7) via a hose.

3. According to claim 2, a pipe structure for dual-purpose and convenient sewage treatment in a sludge pool is characterized by: A first gate valve (11) is provided between the first outlet (9) and the external filter press (6), and a second gate valve (12) is provided between the second outlet (10) and the sludge transport vehicle (7).

4. A dual-purpose and convenient sewage treatment pipeline structure for a sludge pool according to claim 2, characterized in that: The second outlet (10) is detachably connected to the hose via a connecting flange (13).

5. A dual-purpose and convenient sewage treatment pipeline structure for a sludge pool according to claim 4, characterized in that: The connecting flange (13) comprises a first flange (14) and a second flange (15), wherein the first flange (14) and the second flange (15) are connected via a connecting piece (16); a baffle (17) is provided at one end of the connecting piece (16), and a clamping block (18) slidably connected to the connecting piece (16) is provided at the other end of the connecting piece (16), wherein the clamping block (18) blocks and abuts against the second flange (15).

6. A dual-purpose and convenient sewage treatment pipeline structure for a sludge pool according to claim 5, characterized in that: The first flange (14) is provided with a protrusion (19), and the second flange (15) is provided with a groove (20), and the protrusion (19) and the groove (20) are slidably matched.

7. The pipeline structure for dual-purpose and convenient sewage treatment in a sludge pool according to claim 5 is characterized by: The connecting piece (16) is U-shaped, and the connecting surfaces between the connecting piece (16) and the first flange (14) and between the connecting piece (16) and the second flange (15) are arc-shaped.

8. The pipeline structure for dual-purpose and convenient sewage treatment in a sludge pool according to claim 5 is characterized by: A sealing ring is provided at the connection between the first flange (14) and the second flange (15).

9. The pipeline structure for dual-purpose and convenient sewage treatment in a sludge pool according to claim 1 is characterized in that: The conditioning tank (2) is provided with a flocculant tank (21), in which flocculant is stored; a flocculant pump (22) is provided between the flocculant tank (21) and the conditioning tank (2), and the flocculant pump (22) is used to pump the flocculant in the flocculant tank (21) into the conditioning tank (2); a stirrer (23) is provided in the conditioning tank (2), and the stirrer (23) is used to make the sewage in the conditioning tank (2) and the flocculant react more fully.

10. A dual-purpose and convenient sewage treatment pipeline structure for a sludge pool according to claim 9, characterized in that: The sludge tank (1) is provided with a coagulant tank (24), in which a coagulant is stored; a coagulant pump (25) is provided between the coagulant tank (24) and the sludge tank (1), and the coagulant pump (25) is used to pump the coagulant in the coagulant tank (24) into the sludge tank (1).

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