CN212731170U - Double-layer sedimentation tank - Google Patents
Double-layer sedimentation tank Download PDFInfo
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- CN212731170U CN212731170U CN202021126332.1U CN202021126332U CN212731170U CN 212731170 U CN212731170 U CN 212731170U CN 202021126332 U CN202021126332 U CN 202021126332U CN 212731170 U CN212731170 U CN 212731170U
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Abstract
The utility model relates to the technical field of sewage treatment, in particular to a double-layer sedimentation tank, which comprises a sedimentation area which is arranged in parallel from top to bottom, wherein the sedimentation area comprises a water inlet part, a chain plate type mud scraping and skimming system and a water outlet part, the water inlet part comprises a water inlet channel, a gate, a water distribution weir plate and a water distribution tracery wall, a water distribution area is arranged between the water inlet channel and the sedimentation area, and the gate is arranged between the water inlet channel and the water distribution area; the water distribution weir plate is arranged in the water distribution area, and the water distribution tracery wall is arranged between the water distribution area and the settling area; the chain plate type mud scraping and skimming system comprises a chain plate type mud scraper and a driving motor, wherein the driving motor is fixedly arranged; a sludge hopper shared by an upper layer sedimentation zone and a lower layer sedimentation zone is arranged at the bottom of the sedimentation tank, and the sludge hopper is connected with a sludge channel through a sludge pipe; the water outlet part comprises a water outlet area and a water outlet channel, the water outlet areas of the upper and lower sedimentation areas are communicated with each other, and the water outlet area is provided with the water outlet channel; and a parallel double-layer advection mode is adopted, so that the floor area is fully reduced.
Description
Technical Field
The utility model relates to a sewage treatment technical field specifically is a double-deck sedimentation tank.
Background
The precipitation method is a mature treatment method in the field of sewage treatment at present, separates suspended matters from water by utilizing the characteristic that the suspended matters are heavier than water, and is widely applied to primary treatment and secondary treatment of sewage.
The types of the sedimentation tanks are various, such as a horizontal flow sedimentation tank, a vertical flow sedimentation tank and the like. With the rising of land cost in recent years and the application of intensive or underground sewage treatment plants, a sedimentation tank which has the advantages of smaller floor area, more reasonable structure, uniform water distribution, fast sludge sedimentation and good sludge discharge effect is very needed to obtain better production benefit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-deck sedimentation tank 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 double-layer sedimentation tank comprises sedimentation areas which are arranged in parallel at the upper layer and the lower layer, wherein each sedimentation area comprises a water inlet part, a chain plate type mud scraping and skimming system and a water outlet part, the water inlet part comprises a water inlet channel, a gate, a water distribution weir plate and a water distribution tracery wall, a water distribution area is arranged between the water inlet channel and the sedimentation area, and the gate is arranged between the water inlet channel and the water distribution area; the water distribution weir plate is arranged in the water distribution area, and the water distribution tracery wall is arranged between the water distribution area and the settling area; the chain plate type mud scraping and skimming system comprises a chain plate type mud scraper and a driving motor, wherein the driving motor is fixedly arranged; a sludge hopper shared by an upper layer sedimentation zone and a lower layer sedimentation zone is arranged at the bottom of the sedimentation zone, and the sludge hopper is connected with a sludge channel through a sludge pipe; the water outlet part comprises a water outlet area and a water outlet channel, the water outlet areas of the upper and lower sedimentation areas are communicated with each other, and the water outlet area is communicated with the water outlet channel.
Preferably, the water distribution weir plate is a stainless steel weir plate, the water distribution weir plate is provided with two groups, and the two groups of water distribution weir plates are the same in length.
Preferably, the settling zones of the upper layer and the lower layer are of a horizontal flow structure, sewage entering the settling zones flows along the length direction of the tank, and suspended matters settle at the bottom of the tank.
Preferably, the scraper of the chain plate type mud scraper moves along the tank direction under the action of the driving chain and the chain wheel driving the main transmission shaft to rotate, so that the sludge at the bottom of the tank is scraped to the sludge hopper, and the chain wheel is driven by the driving motor to rotate.
Preferably, a skimming pipe is arranged on the upper-layer settling area and is used for collecting water surface scum scraped by the chain plate type mud scraper.
Preferably, the sludge in the sludge hopper enters the sludge channel through the sludge pipe under the action of static pressure, and the tail end of the sludge pipe is provided with a sludge valve.
Preferably, the water outlet area and the sedimentation area are communicated with each other through a water outlet groove, a water outlet weir plate is arranged in the water outlet groove, and the water outlet weir plates are provided with a plurality of water outlet weir plates.
Compared with the prior art, the beneficial effects of the utility model are that: the sedimentation tank provided by the utility model combines the flows of water inlet, water distribution, sedimentation, water drainage and mud discharge, adopts a parallel double-layer advection type arrangement mode, has compact arrangement and fully reduces the occupied area; based on advection sedimentation, the sedimentation tank can exert stable sedimentation effect and is an ideal double-layer sedimentation tank structure.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structure of the sludge bucket of the present invention;
reference numbers in the figures: 1. a water inlet channel; 2. a gate; 3. a water distribution weir plate; 4. a water distribution tracery wall; 5. a settling zone; 6. a drive motor; 7. a chain plate type mud scraper; 8. a skimming pipe; 9. a water outlet weir plate; 10. a water outlet area; 11. a sludge hopper; 12. a sludge channel; 13. a sludge pipe; 14. a sludge valve; 15. and (4) a water outlet channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: a double-layer sedimentation tank comprises a sedimentation zone 5 which is arranged in parallel at the upper layer and the lower layer, wherein the sedimentation zone 5 comprises a water inlet part, a chain plate type mud scraping and skimming system and a water outlet part, the water inlet part comprises a water inlet channel 1, a gate 2, a water distribution weir plate 3 and a water distribution tracery wall 4, a water distribution zone is arranged between the water inlet channel 1 and the sedimentation zone 5, and the gate 2 is arranged between the water inlet channel 1 and the water distribution zone; the water distribution weir plate 3 is arranged in the water distribution area, and the water distribution tracery wall 4 is arranged between the water distribution area and the sedimentation area 5; the chain plate type mud scraping and skimming system comprises a chain plate type mud scraper 7 and a driving motor 6, wherein the driving motor 6 is fixedly arranged; the bottom of the sedimentation zone 5 is provided with a sludge hopper 11 shared by the upper and lower sedimentation zones 5, and the sludge hopper 11 is connected with a sludge channel 12 through a sludge pipe 13; the water outlet part comprises a water outlet area 10 and a water outlet channel 15, the water outlet areas 10 of the upper and lower sedimentation areas 5 are communicated with each other, and the water outlet areas 10 are communicated with the water outlet channel 15.
Further, water distribution weir plate 3 is stainless steel weir plate, and water distribution weir plate 3 is provided with two sets ofly, and 3 length of two sets of water distribution weir plates are the same.
Furthermore, the settling zones 5 of the upper layer and the lower layer are of a horizontal flow structure, sewage entering the settling zones 5 flows along the length direction of the tank, and suspended matters are settled at the bottom of the tank.
Further, the scraper of the chain plate type mud scraper 7 moves along the tank direction under the action of the driving chain and the chain wheel driving the main transmission shaft to rotate, so that the sludge at the bottom of the tank is scraped to the sludge hopper 11, and the chain wheel is driven by the driving motor 6 to rotate.
Furthermore, a skimming pipe 8 is arranged on the upper layer settling area 5, and the skimming pipe 8 collects the scum on the water surface scraped by the chain plate type mud scraper 7.
Further, the sludge in the sludge hopper 11 enters the sludge channel 12 through the sludge pipe 13 under the action of static pressure, and the tail end of the sludge pipe 13 is provided with a sludge valve 14.
Further, the water outlet area 10 and the settling area 5 are communicated with each other through a water outlet groove, a water outlet weir plate 9 is arranged in the water outlet groove, and a plurality of water outlet weir plates 9 are arranged.
The working principle is as follows: aiming at the settling zones 5 of the upper layer and the lower layer, a water inlet part and a chain plate type mud scraping and skimming system which are opposite are arranged; after entering the water inlet channel 1, the upstream sewage enters the water distribution area through the gate 2, and the gate 2 can be used for cutting off the inlet water, such as the parallel use of a plurality of groups of sedimentation tanks 5, the overhaul and maintenance of a certain group, and the like; the gate 2 can also be used for adjusting the water quantity of each pool when a plurality of groups of sedimentation pools are used. After the sewage passes through the gate 2, in order to avoid the sewage directly to rush to the water distribution weir plate 3, influence the water distribution effect, make rivers turn over to through increasing concrete slab. The water distribution weir plate 3 is made of stainless steel, is generally equal in length, and enables water to be uniformly distributed, sewage passes through the water distribution weir plate 3 and then respectively enters corresponding areas of an upper layer and a lower layer, and then flows into the settling zone 5 uniformly through the water distribution tracery wall 4.
The upper and lower sedimentation tanks 5 are in a horizontal flow type, the sewage entering the sedimentation tank 5 flows along the tank length direction, and suspended matters are settled at the tank bottom. The chain plate type mud scraper 7 scrapes sludge at the bottom of the tank to the sludge hopper 1, scrapes scum on the surface of the tank to the skimming pipe 8, the sludge hopper 11 is shared by an upper layer and a lower layer, the upper layer and the lower layer sedimentation zone 5 are provided with the independent chain plate type mud scraper 7, and the driving motor 6 of the chain plate type mud scraper 7 is arranged at the top of the tank body. The scraper of the chain plate type mud scraper 7 moves along the pool direction to work under the action of the driving chain and the chain wheel driving the main transmission shaft to rotate.
Sludge in the sludge hopper 11 enters the sludge channel 12 through the sludge pipe 13 under the action of static pressure, and the tail end of the sludge pipe 13 is provided with the sludge valve 14 which can be used for adjusting the sludge discharge flow of the sludge pipe 13 and also can cut off the sludge pipe 13. The sludge finally flows into the sludge canal 12 and finally flows into a subsequent treatment facility by means of a water pump or a gravity flow.
The water outlet zones 10 of the upper and lower layers of sedimentation zones 5 are communicated with each other, and the water outlet zones 10 are communicated with the sedimentation zone 5 through a water outlet groove; the sewage in the settling zone 5 flows into a water outlet zone 10 through a water outlet groove, a water outlet weir plate 9 is arranged in the water outlet groove, and the sewage in the water outlet zone 10 finally flows into a water outlet channel 15 for discharging.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A double-layer sedimentation tank is characterized in that: the device comprises a settling zone (5) which is arranged in parallel on an upper layer and a lower layer, wherein the settling zone (5) comprises a water inlet part, a chain plate type mud scraping and skimming system and a water outlet part, the water inlet part comprises a water inlet channel (1), a gate (2), a water distribution weir plate (3) and a water distribution tracery wall (4), a water distribution zone is arranged between the water inlet channel (1) and the settling zone (5), and the gate (2) is arranged between the water inlet channel (1) and the water distribution zone; the water distribution weir plate (3) is arranged in the water distribution area, and the water distribution tracery wall (4) is arranged between the water distribution area and the sedimentation area (5); the chain plate type mud scraping and skimming system comprises a chain plate type mud scraper (7) and a driving motor (6), wherein the driving motor (6) is fixedly arranged; a sludge hopper (11) shared by the upper and lower sedimentation zones (5) is arranged at the bottom of the sedimentation zone (5), and the sludge hopper (11) is connected with a sludge channel (12) through a sludge pipe (13); the water outlet part comprises a water outlet area (10) and a water outlet channel (15), the water outlet areas (10) of the upper and lower sedimentation areas (5) are communicated with each other, and the water outlet areas (10) are communicated with the water outlet channel (15).
2. A double-layered sedimentation tank as claimed in claim 1, wherein: the water distribution weir plate (3) is a stainless steel weir plate, the water distribution weir plates (3) are provided with two groups, and the two groups of water distribution weir plates (3) are the same in length.
3. A double-layered sedimentation tank as claimed in claim 1, wherein: the settling zones (5) of the upper layer and the lower layer are of a horizontal flow structure, sewage entering the settling zones (5) flows along the length direction of the tank, and suspended matters settle at the bottom of the tank.
4. A double-layered sedimentation tank as claimed in claim 1, wherein: the scraper of chain plate mud scraper (7) drives the rotatory effect of final drive shaft under drive chain and sprocket and moves along the pond direction, scrapes the mud of bottom of the pool to sludge bucket (11), the sprocket is driven by driving motor (6) and is rotated.
5. A double-layered sedimentation tank as claimed in claim 1, wherein: a skimming pipe (8) is arranged on the upper layer settling zone (5), and the skimming pipe (8) collects the water surface scum scraped by the chain plate type mud scraper (7).
6. A double-layered sedimentation tank as claimed in claim 1, wherein: sludge in the sludge hopper (11) enters the sludge channel (12) through the sludge pipe (13) under the action of static pressure, and the tail end of the sludge pipe (13) is provided with a sludge valve (14).
7. A double-layered sedimentation tank as claimed in claim 1, wherein: the water outlet area (10) is communicated with the settling area (5) through a water outlet groove, a water outlet weir plate (9) is arranged in the water outlet groove, and a plurality of water outlet weir plates (9) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021126332.1U CN212731170U (en) | 2020-06-17 | 2020-06-17 | Double-layer sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021126332.1U CN212731170U (en) | 2020-06-17 | 2020-06-17 | Double-layer sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212731170U true CN212731170U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021126332.1U Active CN212731170U (en) | 2020-06-17 | 2020-06-17 | Double-layer sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212731170U (en) |
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2020
- 2020-06-17 CN CN202021126332.1U patent/CN212731170U/en active Active
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