CN217051840U

CN217051840U - Novel defluorination high-efficiency sedimentation tank device

Info

Publication number: CN217051840U
Application number: CN202122790652.8U
Authority: CN
Inventors: 王义尚; 郑腾烁; 张�浩
Original assignee: Shanghai Help Environment Engineering Co ltd
Current assignee: Shanghai Help Environment Engineering Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-07-26
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a novel defluorination high-efficiency sedimentation tank device, which comprises a reaction zone, a coagulation zone, a flocculation zone and a separation zone which are arranged along the water flow direction; the separation zone is provided with a sludge stirrer and a water collecting tank, the sludge stirrer comprises a driving motor, a stirring shaft and a scraper blade, the utility model discloses a separate the sedimentation tank into a reaction zone, a coagulation zone, a flocculation zone and a separation zone, and different defluorination medicaments are respectively added into the reaction zone and the coagulation zone, so that the flocculation effect can be improved, and the addition amount of the medicaments can be reduced; through setting up sludge escape pipe one, sludge escape pipe two, two mud input pipeline and sludge pump can return active sludge to reaction zone and flocculation district, realize recycling the surplus defluorination medicament among the active sludge, can enough recycle surplus defluorination medicament among the active sludge, save manufacturing cost, reduce the addition of defluorination medicament, can avoid the mud that contains a large amount of defluorination reagents again to be discharged, cause environmental pollution.

Description

Novel defluorination high-efficiency sedimentation tank device

Technical Field

The utility model relates to a sewage treatment technical field specifically is a novel high-efficient sedimentation tank removes fluorine device.

Background

The high-efficiency sedimentation tank is a structure for removing suspended matters in water by using sedimentation and is equipment for purifying water. The suspended substances in the water are removed by the natural sedimentation or coagulating sedimentation of the water. The sedimentation tank is divided into a horizontal sedimentation tank and a vertical sedimentation tank according to the water flow direction. The settling effect is determined by the flow rate of the water in the settling tank and the residence time of the water in the tank. In order to improve the sedimentation effect and reduce the land occupation area, a honeycomb inclined tube counter-current sedimentation tank, an accelerated clarification tank, a pulse clarification tank, a high-efficiency sedimentation tank and the like are mostly adopted at present. A complete set of efficient sedimentation tank is composed of three reaction devices of steel structures or concrete structures which are arranged in series. The defluorination function of the existing high-efficiency sedimentation tank is realized by three independent process combinations with specific functions, namely rapid coagulation, flocculation and sedimentation, and for the defluorination problem of sewage, the prior art has low defluorination efficiency and can not meet the requirement of discharge indexes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel high-efficient sedimentation tank removes fluorine device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel defluorination high-efficiency sedimentation tank device comprises a coagulation area, a flocculation area and a separation area which are arranged along the water flow direction; a reaction zone is arranged at the upstream of the coagulation zone, and stirring devices are arranged in the reaction zone, the coagulation zone and the flocculation zone; the reaction zone is fixedly connected with a water inlet pipe, the bottoms of the reaction zone and the flocculation zone are both fixedly connected with sludge input pipelines, the bottom of the separation zone is connected with a first sludge discharge pipeline, the first sludge discharge pipeline is connected with an inlet of a sludge pump, an outlet of the sludge pump is fixedly connected with a second sludge discharge pipeline, and the second sludge discharge pipeline is fixedly connected with two sludge input pipelines; the separation zone is provided with sludge stirring machine and water collection tank, the water collection tank is located the upper half of separation zone, the separation zone is located the regional fixedly connected with outlet pipe of water collection tank, and the lower extreme of affiliated sludge stirring machine laminates with the inside bottom of separation zone.

As an optimized technical solution of the utility model, the below fixedly connected with pipe chute of above-mentioned water catch bowl. The supernatant in the separation area enters the water collecting tank through the inclined pipe, so that the water in the water collecting tank does not contain large dirt blocks, the supernatant is clear, and the discharged liquid is cleaner.

As a preferred technical scheme of the utility model, above-mentioned sludge stirring machine includes driving motor, (mixing) shaft and scraper blade, driving motor's output shaft and (mixing) shaft fixed connection, fixedly connected with scraper blade on the (mixing) shaft, the lower extreme of scraper blade and the laminating of the inside bottom in disengagement zone.

As a preferred technical scheme of the utility model, the bottom of the separation area is fixedly connected with a sedimentation funnel which is positioned under the stirring shaft; and the first sludge discharge pipeline is fixedly connected right below the sedimentation funnel. Through setting up the sedimentation funnel, the sedimentation funnel can connect the mud that the stirring of sludge stirrer was gathered greatly, and the deposit has certain degree of depth at the inside mud of sedimentation funnel, can bury the entry of sludge discharge pipe one inside mud, avoids the entry of sludge discharge pipe one to expose and leads to the sludge pump suction in the air, is favorable to protecting the sludge pump.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model divides the sedimentation tank into a reaction area, a coagulation area, a flocculation area and a separation area, and adds different defluorination medicaments into the reaction area and the coagulation area respectively, thereby not only improving the flocculation effect, but also reducing the addition amount of the medicaments; through setting up sludge escape pipe one, sludge escape pipe two, two mud input pipeline and sludge pump can return active sludge to reaction zone and flocculation district, realize recycling the surplus defluorination medicament among the active sludge, can enough recycle surplus defluorination medicament among the active sludge, save manufacturing cost, reduce the addition of defluorination medicament, can avoid the mud that contains a large amount of defluorination reagents again to be discharged, cause environmental pollution.

Drawings

Fig. 1 is a structural schematic diagram of a novel defluorination high-efficiency sedimentation tank device.

In the figure: 1. a coagulation zone; 2. a flocculation zone; 3. a separation zone; 4. a reaction zone; 5. a stirring device; 6. a water inlet pipe; 7. a sludge input pipeline; 8. a sludge discharge pipeline I; 9. a sludge pump; 10. a second sludge discharge pipeline; 11. a water collection tank; 12. a water outlet pipe; 13. an inclined tube; 14. a drive motor; 15. a stirring shaft; 16. a squeegee; 17. a settling funnel.

Detailed Description

In order to make those skilled in the art better understand the technical solutions of the embodiments of the present application, the following description will be made clearly and completely in conjunction with the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict, and the present application will be described in detail with reference to fig. 1 in conjunction with the embodiments.

A novel defluorination high-efficiency sedimentation tank device comprises a reaction zone 4, a coagulation zone 1, a flocculation zone 2 and a separation zone 3 which are arranged along the water flow direction, wherein stirring devices 5 are arranged on the reaction zone 4, the coagulation zone 1 and the flocculation zone 2; the fluorine wastewater is firstly put into a fluorine removal reagent in the reaction zone 4 for the first fluorine removal, and the fluorine wastewater is secondly put into the fluorine removal reagent in the coagulation zone 1 for the first fluorine removal; the reaction zone 4 is fixedly connected with a water inlet pipe 6, sewage enters the reaction zone 4 from the water inlet pipe 6, the bottoms of the reaction zone 4 and the flocculation zone 2 are both fixedly connected with sludge input pipelines 7, the bottom of the separation zone 3 is connected with a sludge discharge pipeline I8, the sludge discharge pipeline I8 is connected with an inlet of a sludge pump 9, an outlet of the sludge pump 9 is fixedly connected with a sludge discharge pipeline II 10, and the sludge discharge pipeline II 10 is fixedly connected with the two sludge input pipelines 7; the sludge pump 9 pumps part of the sludge precipitated in the separation zone 3 into the reaction zone 4 and the flocculation zone 2 again, the sludge contains residual defluorination reagents, and the residual defluorination reagents can be reused, so that the production cost can be saved, and the waste discharge can be reduced;

the separation area 3 is provided with a sludge stirrer and a water collection tank 11, the water collection tank 11 is positioned at the upper half part of the separation area 3, an inclined pipe 13 is fixedly connected below the water collection tank 11, a water outlet pipe 12 is fixedly connected to the area of the separation area 3 positioned at the water collection tank 11, and supernatant liquid positioned at the separation area 3 enters the water collection tank 11 through the inclined pipe 13, so that water in the water collection tank 11 does not contain large dirt blocks, all supernatant liquid is supernatant liquid, and the discharged liquid is cleaner;

the sludge stirrer comprises a driving motor 14, a stirring shaft 15 and a scraper 16, an output shaft of the driving motor 14 is fixedly connected with the stirring shaft 15, the scraper 16 is fixedly connected onto the stirring shaft 15, the lower end of the scraper 16 is attached to the inner bottom of the separation region 3, the bottom of the separation region 3 is fixedly connected with a settling funnel 17, and the settling funnel 17 is positioned right below the stirring shaft 15; the sludge discharge pipeline I8 is fixedly connected right below the sedimentation funnel 17; the sludge stirrer can stir and collect all sludge precipitated at the bottom of the separation area 3 and finally discharge the sludge through the sedimentation funnel 17 and the sludge discharge pipeline II 10. Through setting up sedimentation funnel 17, sedimentation funnel 17 can connect the mud that the stirring of sludge stirrer was gathered greatly, and the deposit has certain degree of depth at the inside mud of sedimentation funnel 17, can bury the entry of a sludge discharge pipeline 8 inside mud, avoids the entry of a sludge discharge pipeline 8 to expose and leads to sludge pump 9 air suction in the air, is favorable to protecting sludge pump 9.

In the using process of the embodiment, the utility model divides the sedimentation tank into a reaction zone 4, a coagulation zone 1, a flocculation zone 2 and a separation zone 3, and different fluorine removal agents are respectively added into the reaction zone 4 and the coagulation zone 1, so as to improve the flocculation effect; the sludge pump 9 pumps part of sludge precipitated in the separation zone 3 into the reaction zone 4 and the flocculation zone 2 again, the sludge contains residual defluorination reagents, and the residual defluorination reagents can be reused, so that the production cost can be saved, and the waste discharge can be reduced.

In view of the above, only the preferred embodiments of the present invention are provided, but the protection scope of the present invention is not limited thereto, and any person skilled in the art will be able to replace or change the technical scope of the present invention within the technical scope disclosed by the present invention.

Claims

1. A novel defluorination high-efficiency sedimentation tank device comprises a coagulation area (1), a flocculation area (2) and a separation area (3) which are arranged along the water flow direction; the device is characterized in that a reaction zone (4) is arranged at the upstream of the coagulation zone (1), and stirring devices (5) are arranged in the reaction zone (4), the coagulation zone (1) and the flocculation zone (2); the reaction zone (4) is fixedly connected with a water inlet pipe (6), the bottoms of the reaction zone (4) and the flocculation zone (2) are both fixedly connected with sludge input pipelines (7), the bottom of the separation zone (3) is connected with a sludge discharge pipeline I (8), the sludge discharge pipeline I (8) is connected with an inlet of a sludge pump (9), an outlet of the sludge pump (9) is fixedly connected with a sludge discharge pipeline II (10), and the sludge discharge pipeline II (10) is fixedly connected with the two sludge input pipelines (7); the separation zone (3) is provided with sludge stirrer and water collection tank (11), water collection tank (11) are located the upper half of separation zone (3), separation zone (3) are located regional fixedly connected with outlet pipe (12) of water collection tank (11), and the inside bottom laminating of the lower extreme of affiliated sludge stirrer and separation zone (3).

2. The novel defluorination high-efficiency sedimentation tank device according to claim 1, wherein an inclined pipe (13) is fixedly connected below the water collection tank (11).

3. The novel defluorination high-efficiency sedimentation tank device as claimed in claim 1, wherein said sludge stirring machine comprises a driving motor (14), a stirring shaft (15) and a scraper (16), an output shaft of said driving motor (14) is fixedly connected with said stirring shaft (15), said scraper (16) is fixedly connected with said stirring shaft (15), and a lower end of said scraper (16) is attached to an inner bottom of said separation zone (3).

4. The novel defluorination high-efficiency sedimentation tank device as claimed in claim 3, wherein a sedimentation funnel (17) is fixedly connected to the bottom of the separation zone (3), and the sedimentation funnel (17) is positioned right below the stirring shaft (15); the first sludge discharge pipeline (8) is fixedly connected to the right lower part of the sedimentation funnel (17).