CN211963185U - Advection type sedimentation tank - Google Patents
Advection type sedimentation tank Download PDFInfo
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- CN211963185U CN211963185U CN202020292676.3U CN202020292676U CN211963185U CN 211963185 U CN211963185 U CN 211963185U CN 202020292676 U CN202020292676 U CN 202020292676U CN 211963185 U CN211963185 U CN 211963185U
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- grit chamber
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- sedimentation tank
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Abstract
The utility model discloses a horizontal flow sedimentation tank, which comprises an inflow channel, an outflow channel and at least two grit chambers which are used for sedimentation treatment and are sequentially communicated end to end, wherein the bottom of the grit chamber is provided with a sand storage hopper used for storing sludge, and the sand storage hopper is connected with a sand discharge pipe used for discharging the sludge; the entrance of the inflow channel is provided with a flashboard for controlling the flow rate of sewage, at least two water inlets are arranged between the inflow channel and the grit chamber, the two water inlets are arranged on different grit chambers, and a water outlet is arranged between the outflow channel and the grit chamber. Because two water inlets set up in different grit chambers, the utility model provides a when advection formula sedimentation tank can realize that part grit chamber clearance grit through closing different water inlets, all the other parts grit chambers normally work, can realize the continuous processing and the emission of sewage, not only avoided the polluted environment, guaranteed the normal construction of job site simultaneously, ensured the time limit for a project.
Description
Technical Field
The utility model relates to a sewage treatment technical field, more specifically say, relate to a advection formula sedimentation tank that construction used.
Background
In a construction site, a sedimentation tank is constructed to perform sedimentation treatment on sewage in order to discharge the sewage in time and not to pollute the environment due to excessive sewage.
However, the sewage can not be continuously settled during sludge pumping, and the conventional sedimentation tank can not pump sludge in time after sludge deposition, so that the normal construction of a construction site is influenced, and the construction period can be delayed.
In summary, how to provide a sedimentation tank capable of continuously treating sewage is a problem to be urgently solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a advection type sedimentation tank is equipped with two at least water inlets, can realize that all the other parts grit chamber normally work when some grit chambers clear up the grit to the continuous processing and the emission of sewage have been realized.
In order to achieve the above object, the present invention provides the following technical solutions:
a horizontal flow sedimentation tank comprises an inflow channel, an outflow channel and at least two grit chambers which are used for sedimentation treatment and are sequentially communicated end to end, wherein a sand storage hopper used for storing sludge is arranged at the bottom of each grit chamber, and the sand storage hopper is connected with a sand discharge pipe used for discharging the sludge;
the inlet of the inflow channel is provided with a flashboard for controlling the flow rate of sewage, at least two water inlets are arranged between the inflow channel and the grit chamber, the two water inlets are arranged on different grit chambers, and a water outlet is arranged between the outflow channel and the grit chamber.
Preferably, the gate controls the flow rate of the sewage in a range of 0.1m/s to 0.35 m/s.
Preferably, the number of the grit chambers is nine.
Preferably, the water inlets include a first water inlet provided on the first grit chamber and a second water inlet provided on the fourth grit chamber.
Preferably, the wall of the grit chamber and the bottom of the grit chamber are both paved with steel bars to enhance the stability of the wall.
Preferably, the wall of the grit chamber and the bottom of the grit chamber are both provided with concrete layers.
The utility model provides a horizontal flow sedimentation tank, which comprises an inflow channel, an outflow channel and at least two grit chambers which are used for sedimentation treatment and are sequentially communicated end to end, wherein the bottom of the grit chamber is provided with a sand storage hopper used for storing sludge, and the sand storage hopper is connected with a sand discharge pipe used for discharging sludge; the entrance of the inflow channel is provided with a flashboard for controlling the flow rate of sewage, at least two water inlets are arranged between the inflow channel and the grit chamber, the two water inlets are arranged on different grit chambers, and a water outlet is arranged between the outflow channel and the grit chamber.
According to the distance relation between the water inlet and the water outlet, the water inlet close to the water outlet is used as a near-end water inlet, and the water inlet far away from the water outlet is used as a far-end water inlet.
When the sedimentation tank normally works, the near-end water inlet is closed, sewage enters the sand basin provided with the far-end water inlet through the inflow channel and the far-end water inlet after entering the inlet of the inflow channel, the sewage is subjected to sedimentation treatment step by step through the plurality of sand basins, and finally the sewage enters the outflow channel through the water outlet and is discharged.
When the sedimentation tank needs to be drained, the far-end water inlet is closed, sewage enters the sand basin provided with the near-end water inlet through the inflow channel and the near-end water inlet after entering from the inlet of the inflow channel, and then the sewage is subjected to sedimentation treatment step by step through the plurality of sand basins and finally enters the outflow channel through the water outlet to be discharged.
Because sewage can not flow through the grit chamber in front of the grit chamber with the near-end water inlet, the grit chamber can be subjected to sand discharge treatment, and sediment deposited in the sand storage hopper is discharged through the sand discharge pipe in a mechanical sand scraping mode, a gravity mode or a hydraulic lifter mode and the like.
Therefore, the utility model provides a when the advection formula sedimentation tank can realize that some grit chamber clearance grit all the other parts grit chambers normally work, can realize the continuous processing and the emission of sewage, not only avoided the polluted environment, guaranteed the normal construction of job site simultaneously, ensured the time limit for a project.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a specific embodiment of the horizontal flow type sedimentation tank provided by the present invention.
In fig. 1:
the system comprises an inflow channel 1, a first water inlet 11, a second water inlet 12, a first grit chamber 2, a second grit chamber 3, a third grit chamber 4, a fourth grit chamber 5, a fifth grit chamber 6, a sixth grit chamber 7, a seventh grit chamber 8, an eighth grit chamber 9 and a ninth grit chamber 10.
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.
The core of the utility model is to provide a advection type sedimentation tank is equipped with two at least water inlets, can realize all the other parts grit chamber normal work when partial grit chamber clearance grit to the continuous processing and the emission of sewage have been realized.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a horizontal sedimentation tank provided in the present invention.
The utility model provides a horizontal flow sedimentation tank, which comprises an inflow channel 1, an outflow channel and at least two grit chambers which are used for sedimentation treatment and are sequentially communicated end to end, wherein the bottom of the grit chamber is provided with a sand storage hopper used for storing sludge, and the sand storage hopper is connected with a sand discharge pipe used for discharging sludge; the entrance of the inflow channel 1 is provided with a flashboard for controlling the flow rate of sewage, at least two water inlets are arranged between the inflow channel 1 and the grit chamber, the two water inlets are arranged on different grit chambers, and a water outlet is arranged between the outflow channel and the grit chamber.
The inflow channel 1 is used for introducing sewage into the grit chamber, and the flow rate of the sewage into the grit chamber can be controlled by the gate plate.
For the detailed shape and size of the inflow channel 1, reference is made to the prior art and the detailed description thereof is omitted here.
The outlet channel is used for discharging the treated sewage from the grit chamber, and the specific shape and size of the outlet channel are referred to the prior art and are not described herein.
The grit chamber is used for settling sewage, the sewage with a certain speed is subjected to the action of gravity after entering the grit chamber, inorganic particles with relatively high density settle and enter the sand storage hopper, and organic particles with relatively low density flow out along with water.
The quantity of grit chamber sets up to a plurality ofly, and a plurality of sedimentation tanks communicate in proper order to carry out multistage settlement to sewage, can effectively get rid of the inorganic granule in the sewage.
The sand storage hoppers are arranged at the bottom of the grit chamber, the number of the sand storage hoppers corresponding to one grit chamber can be one, two, or a plurality of sand storage hoppers, and the specific number of the sand storage hoppers is determined according to the requirements in actual production.
The specific position of the sand storage hopper can be set according to the main sedimentation area of the inorganic particles in actual production.
Please refer to the prior art for the shape of the sand storage hopper, which is not described herein.
The sand storage hopper is communicated with the sand discharge pipe so as to discharge sand through the sand discharge pipe when excessive sand is deposited in the grit chamber and the sand storage hopper.
According to the distance relation between the water inlet and the water outlet, the water inlet close to the water outlet is used as a near-end water inlet, and the water inlet far away from the water outlet is used as a far-end water inlet.
When the sedimentation tank normally works, the near-end water inlet is closed, sewage enters the sand basin provided with the far-end water inlet through the inflow channel 1 and the far-end water inlet after entering from the inlet of the inflow channel 1, then the sewage enters the sand basin provided with the far-end water inlet through the inflow channel 1 and the far-end water inlet, the sewage is subjected to sedimentation treatment step by step through the plurality of sand basins, and finally the sewage enters the outflow channel through the water.
When a plurality of grit chambers work together, the amount of settled grit is reduced step by step under the influence of the flow velocity of sewage entering each stage of grit chamber, and therefore the settled grit is mainly deposited in the front grit chamber.
When the sedimentation tank needs to be drained, the far-end water inlet is closed, sewage enters the sedimentation tank provided with the near-end water inlet through the inflow channel 1 and the near-end water inlet after entering from the inlet of the inflow channel 1, the sewage is subjected to sedimentation treatment step by step through the plurality of sedimentation tanks, and finally the sewage enters the outflow channel through the water outlet and is discharged.
Because sewage can not flow through the grit chamber in front of the grit chamber with the near-end water inlet, the grit chamber can be subjected to sand discharge treatment, and sediment deposited in the sand storage hopper is discharged through the sand discharge pipe in a mechanical sand scraping mode, a gravity mode or a hydraulic lifter mode and the like.
Therefore, the utility model provides a when the advection formula sedimentation tank can realize that some grit chamber clearance grit all the other parts grit chambers normally work, can realize the continuous processing and the emission of sewage, not only avoided the polluted environment, guaranteed the normal construction of job site simultaneously, ensured the time limit for a project.
On the basis of the above embodiment, in order to ensure the effect of sewage treatment, the gate plate may be required to control the flow rate of sewage in the range of 0.1m/s to 0.35 m/s.
Preferably, the gate plate can be designed to control the flow rate of the sewage in a range of 0.15m/s-0.3m/s, and the residence time of the sewage in the grit chamber exceeds 30s, so as to ensure the sedimentation effect of the grit chamber.
Preferably, referring to fig. 1, the number of the grit chambers may be nine, the first grit chamber 2, the second grit chamber 3, the third grit chamber 4, the fourth grit chamber 5, the fifth grit chamber 6, the sixth grit chamber 7, the seventh grit chamber 8, the eighth grit chamber 9 and the ninth grit chamber 10 are sequentially communicated, and after entering from the inflow channel 1, the sewage sequentially passes through the nine grit chambers, and through nine times of sedimentation processes, the sewage discharged from the outflow channel is effectively ensured to meet the environmental protection requirement.
It should be noted that the sizes of the first grit chamber 2, the second grit chamber 3, the third grit chamber 4, the fourth grit chamber 5, the fifth grit chamber 6, the sixth grit chamber 7, the seventh grit chamber 8, the eighth grit chamber 9, and the ninth grit chamber 10 may be different from each other, and need not to be kept the same, and the sizes of the grit chambers at each stage are determined according to factors such as the topography of the actual construction site.
On the basis of the above embodiment, referring to fig. 1, the water inlet may include a first water inlet 11 provided on the first grit chamber 2 and a second water inlet 12 provided on the fourth grit chamber 5.
When the sedimentation tank normally works, the second water inlet 12 is closed, sewage enters the first grit chamber 2 through the first water inlet 11 after entering from the inlet of the inflow channel 1, then sequentially passes through the second grit chamber 3, the third grit chamber 4, the fourth grit chamber 5, the fifth grit chamber 6, the sixth grit chamber 7, the seventh grit chamber 8, the eighth grit chamber 9 and the ninth grit chamber 10, and finally enters the outflow channel through the water outlet formed in the ninth grit chamber 10 to be discharged.
When the sedimentation tank needs to be subjected to sand discharge, the first water inlet 11 is closed, sewage enters the fourth grit chamber 5 through the second water inlet 12 after entering from the inlet of the inflow channel 1, then sequentially passes through the fifth grit chamber 6, the sixth grit chamber 7, the seventh grit chamber 8, the eighth grit chamber 9 and the ninth grit chamber 10, and finally enters the outflow channel through the water outlet formed in the ninth grit chamber 10 to be discharged.
At this time, the sewage does not flow through the first grit chamber 2, the second grit chamber 3 and the third grit chamber 4 again, the grit discharge treatment can be performed on the grit chambers, and the silt deposited in the sand storage hopper is discharged through the sand discharge pipe in a mechanical sand scraping mode, a gravity mode or a hydraulic lifter mode.
It should be noted that the second water inlet 12 may be provided in any grit chamber between the first-stage grit chamber and the last-stage grit chamber, and in consideration of the problems associated with the grit discharge treatment, it is preferable that the second water inlet 12 be provided at 1/2 of the area of each of the grit chambers.
On the basis of the embodiment, the grit chamber can be excavated by an excavator, and an artificial foundation cleaning of 30cm is reserved during excavation so as to keep undisturbed soil of the foundation pit; when water exists in the foundation pit, the water is pumped in time to keep the foundation pit dry.
Preferably, the wall of the grit chamber and the bottom of the grit chamber can be paved with steel bars to enhance the stability of the wall.
Preferably, the reinforcing steel bars are installed in an assembling mode of centralized processing and field installation.
Preferably, the wall of the grit chamber and the bottom of the grit chamber can be both provided with concrete layers. Concrete layers are stirred on site and used on site according to the designed proportion, and specific reference is made to the prior art, which is not described herein again.
It should be noted that the first and second of the first water inlet 11 and the second water inlet 12, and the first, second, third, fourth, fifth, sixth, seventh, eighth, and ninth of the first grit chamber 2, the second grit chamber 3, the third grit chamber 4, the fourth grit chamber 5, the fifth grit chamber 6, the sixth grit chamber 7, the seventh grit chamber 8, the eighth grit chamber 9, and the ninth grit chamber 10 mentioned in this document are only used to distinguish the difference of the positions, and do not limit the sequence.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above details are provided for the horizontal flow sedimentation tank provided by the utility model. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. The horizontal flow type sedimentation tank is characterized by comprising an inflow channel (1), an outflow channel and at least two grit chambers which are used for sedimentation treatment and are sequentially communicated end to end, wherein a sand storage hopper used for storing sludge is arranged at the bottom of each grit chamber, and the sand storage hopper is connected with a sand discharge pipe used for discharging the sludge;
the entrance of inflow canal (1) is equipped with the flashboard that is used for controlling sewage velocity of flow, inflow canal (1) with be equipped with two at least water inlets between the grit chamber, and two the water inlet sets up on the grit chamber of difference, the outflow canal with be equipped with the delivery port between the grit chamber.
2. The advection sedimentation tank of claim 1, wherein the gate controls the flow rate of the wastewater in a range of 0.1-0.35 m/s.
3. The advection sedimentation tank of claim 2, wherein the number of grit chambers is nine.
4. The advection-type sedimentation tank according to claim 3, wherein the water inlets comprise a first water inlet (11) provided on the first grit chamber (2) and a second water inlet (12) provided on the fourth grit chamber (5).
5. The advection type settling pond according to any one of claims 1 to 4, wherein the walls of the settling pond and the bottom of the settling pond are provided with reinforcing steel bars to enhance the stability of the walls.
6. The advection-type settling pond according to claim 5, wherein the wall of the settling pond and the bottom of the settling pond are both provided with concrete layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020292676.3U CN211963185U (en) | 2020-03-10 | 2020-03-10 | Advection type sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020292676.3U CN211963185U (en) | 2020-03-10 | 2020-03-10 | Advection type sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211963185U true CN211963185U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020292676.3U Active CN211963185U (en) | 2020-03-10 | 2020-03-10 | Advection type sedimentation tank |
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|---|---|
| CN (1) | CN211963185U (en) |
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2020
- 2020-03-10 CN CN202020292676.3U patent/CN211963185U/en active Active
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